CN207033983U - A kind of universal joint bearing of dynamic guiding type rotary steering drilling tool - Google Patents
A kind of universal joint bearing of dynamic guiding type rotary steering drilling tool Download PDFInfo
- Publication number
- CN207033983U CN207033983U CN201720649006.0U CN201720649006U CN207033983U CN 207033983 U CN207033983 U CN 207033983U CN 201720649006 U CN201720649006 U CN 201720649006U CN 207033983 U CN207033983 U CN 207033983U
- Authority
- CN
- China
- Prior art keywords
- spherical
- leading truck
- guide
- axis
- steel ball
- 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.)
- Expired - Fee Related
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of universal joint bearing of dynamic guiding type rotary steering drilling tool, including the spherical shell in rotary sleeve, steel ball I, leading truck, steel ball II and spherical set, spherical shell, leading truck and spherical set are arranged on middle be provided with the axis of guide of flow channel for liquids；Between spherical shell and leading truck, being slidably matched between leading truck and spherical set by steel ball makes leading truck that relative slide occur with spherical shell and spherical set, realize that the axis of guide swings the function being oriented to, the accurate control of well track can be realized, while there is the rapidity, higher reliability and good stability of response.
Description
Technical field
The utility model patent is related to a kind of rotary steering drilling tool applied to drilling fields such as oil, natural gases,
More particularly to a kind of universal joint bearing of dynamic directional type rotary steering drill tools.
Background technology
Rotary steering drilling tool needs to realize that well track is led by constantly adjusting bit orientation angle in drilling process
To especially for dynamic guiding type rotary steering drilling tool, it is to change drill bit side by the beat of the bigoted axis of guide
To.Now need one kind to transmit moment of torsion and can and arbitrarily change direction, while and can transmits a kind of rotary steering brill of the pressure of the drill
Well instrument power transmission oscillating bearing.
University Of Tianjin's utility model rotary steerable drilling hollow universal joint and rotary steerable drilling are with universal at home
Section.Both universal joints are jointly using the structure of universal-joint fork and cross axle；The liquid of crossing that universal joint is internally formed up/down perforation leads to
Transmission of the drilling fluid in universal joint is realized in road, but instrument assembling is complicated, and drilling fluid is possible to that universal joint can be corroded.
Utility model content
The problem of to overcome existing instrument to exist, the utility model purpose are to provide a kind of simple in construction, response speed
It hurry up, the universal joint bearing for the dynamic guiding type rotary steering drilling tool that reliability and stability are high, change tradition rotation and lead
To the stressing conditions of drilling tool bearing, there is the longer life-span, and not by the corrosion impact of drilling fluid.
In order to achieve the above object, the technical solution of the utility model is：
A kind of universal joint bearing of dynamic guiding type rotary steering drilling tool, including it is spherical in rotary sleeve
Shell, steel ball I, leading truck, steel ball II, spherical set and the axis of guide；
Spherical shell, leading truck and spherical set are arranged on the middle axis of guide provided with flow channel for liquids, the connection of axis of guide one end
There is drill bit；
Along the circumferential direction it is provided with that multiple that the two can be made radially to produce is relatively sliding between the spherical shell and leading truck
Dynamic steel ball I, spherical shell and leading truck are slidably matched by steel ball I, are along the circumferential direction provided between leading truck and spherical set
Multiple steel balls II that the two can be made radially to produce relative slip, leading truck and spherical set are slidably matched by steel ball II；Ball
Shape shell and spherical set are fixedly connected with rotary sleeve, and leading truck is fixedly mounted on the axis of guide, spherical shell and spherical set and guiding
The gap of axis of guide swing is reserved between axle, the gap of leading truck swing is reserved between leading truck and rotary sleeve；It is described
Spherical shell is provided with sealing structure close to the side of drill bit, and sealing structure is arranged in centralizer, and sealing structure side is outer with rotation
Set is fixedly connected, and opposite side is fixedly connected with centralizer；
Being slidably matched between spherical shell and leading truck, between leading truck and spherical set by steel ball I and steel ball II makes guiding
Frame and spherical shell and spherical set occur it is relative slide, realize that the axis of guide swings the function being oriented to, leading truck and spherical shell and spherical
Sliding trace between set is circular arc.
Further, leading truck two sides are to be convex to two consistent spheres, and spherical outside surface and the spherical shell of leading truck coordinate, and lead
Coordinate to the Internal Spherical Surface and spherical set of frame, the mating surface of spherical shell and spherical set and leading truck is sphere；Leading truck it is inside and outside
Circumferential decile is provided with a plurality of raceway groove on sphere, is offered on the sphere of spherical shell and spherical set corresponding with leading truck channel location
Ball-and-socket, steel ball I and steel ball II be separately mounted in the ball-and-socket of spherical shell and spherical set, and raceway groove contacts with steel ball conjugation；It is spherical
Moment of torsion caused by rotary sleeve is passed to leading truck by shell and spherical set by steel ball I and steel ball II.
Further, leading truck is arranged on the axis of guide by spline and screw；On external splines and leading truck on the axis of guide
Internal spline coordinate, the most moment of torsion at last caused by rotary sleeve passes to the axis of guide, drives drill bit broken rock.
Further, three screwed holes are evenly equipped with leading truck, axis of guide surface is evenly equipped with three screwed holes, and three screws are inserted
Enter screwed hole and be directed to frame to be fixed on the axis of guide, the axis of guide is delivered torque to by screw, most the pressure of the drill passes through guiding at last
Axle passes to drill bit broken rock.
Further, 8 identical lower semi-circular grooves are evenly equipped with spherical set outer peripheral face, outside the rotation coordinated with spherical set
There are 8 identical upper half circular grooves the inside of set, and lower notches cooperatively form a complete circle, and 8 straight pins are inserted respectively
Enter in this 8 circular grooves, the moment of torsion of rotary sleeve is passed into spherical set.
Further, respectively it is evenly equipped with 12 raceway grooves on the sphere of leading truck both sides, is respectively opened up on the sphere of spherical shell and spherical set
There are 12 ball-and-sockets corresponding with channel location.
There is the utility model good effect to be：
The universal joint bearing of dynamic guiding type rotary steering drilling tool of the present utility model includes being sequentially arranged at rotation
Spherical shell, steel ball I, leading truck, steel ball II and spherical set in overcoat, spherical shell, leading truck and spherical set are set installed in centre
Have on the axis of guide of flow channel for liquids；Between spherical shell and leading truck, being slidably matched between leading truck and spherical set by steel ball makes
With spherical shell and spherical set relative slip occurs for leading truck, realizes that the axis of guide swings the function being oriented to, can realize well track
Accurate control, while there is the rapidity, higher reliability and good stability of response.
Universal joint bearing is only made up of critical pieces such as the spherical shell in rotary sleeve, leading truck and spherical sets, structure letter
It is single；Be provided with flow channel for liquids among the axis of guide, spherical shell left side is provided with sealing structure, and drilling fluid flows through through flow channel for liquids, inside it
It not by drilling fluid, ensure that instrument works in the environment for drying closing, from the erosion of drilling fluid, extend instrument and use the longevity
Life.
Further, the utility model is respectively equipped with ball-and-socket and raceway groove by steel ball universal-joint bearing parts on part,
Spherical shell and spherical set deliver torque to leading truck by steel ball I and steel ball II, can flexibly change the direction of drill bit, simultaneously
Also the stressing conditions of power transmission oscillating bearing are changed, there is the longer life-span.
Further, the utility model distinguishes universal-joint bearing parts by steel ball, be respectively equipped with part ball-and-socket and
The face that raceway groove, ball-and-socket and raceway groove are coordinated by steel ball is sphere, can flexibly change the direction of drill bit, and ball-and-socket and raceway groove distribution are equal
Even, it is big to change conventional bearing ball interval, bearing parts fatigue stress situation pockety.
Further, the utility model arranges two row's steel balls, is distributed with raceway groove and ball-and-socket on part respectively, between each part
Fit through being slidably connected for steel ball, it is possible to achieve the rapidity of guiding.The existing spline of cooperation of leading truck and the axis of guide has again
Screw, instrument is set to have higher reliability and good stability.
Further, the utility model instrument arranges two row's steel balls, is fulcrum with steel ball II when performing guide function, profit
It is the function that the guiding shaft portion fine setting away from drill bit just can turn now to real drill bit with lever principle.
Brief description of the drawings
Fig. 1 is principle schematic of the present utility model
Fig. 2 is profile at the utility model A-A
Fig. 3 is profile at the utility model B-B
Fig. 4 is profile at the utility model C-C
In figure：1- centralizers, 2- sealing structures, 3- spherical shells, 4- steel balls I, 5- leading trucks, 6- screws, 7- steel balls II, 8-
Spherical set, 9- straight pins, 10- rotary sleeves, the 11- axis of guides, 12- splines, 13- drill bits.
Embodiment
Technical solutions of the utility model are clearly and completely described below in conjunction with embodiment, it is clear that described
Embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model,
All other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, it should all belong to this
The scope of utility model protection.
The utility model is elaborated below in conjunction with the accompanying drawings.
Reference picture 1, the universal joint bearing of dynamic guiding type rotary steering drilling tool of the present utility model, is included in rotation
Spherical shell 3, steel ball I 4, leading truck 5, steel ball II 7 and the spherical set 8 installed successively from left to right in overcoat 10.
Along the circumferential direction being provided between the spherical shell 3 and leading truck 5 multiple can be such that the two radially produces relatively
The steel ball I 4 of slip, spherical shell 3 and leading truck 5 are slidably matched by steel ball I 4, circumferentially square between leading truck 5 and spherical set 8
To multiple steel balls II 7 that the two can be made radially to produce relative slip are provided with, the leading truck 5 and spherical set 8 pass through steel
Ball II 7 is slidably matched；Spherical shell 3 and spherical set 8 are fixedly connected with rotary sleeve 10, and leading truck 5 is fixedly mounted on the axis of guide 11
On, the gap that the axis of guide 11 is swung, leading truck 5 and rotary sleeve 10 are reserved between spherical shell 3 and spherical set 8 and the axis of guide 11
Between be reserved with leading truck 5 swing gap；The spherical shell 3 is provided with sealing structure 2, sealing structure 2 close to the side of drill bit
In centralizer, sealing structure side is fixedly connected with rotary sleeve 10, and opposite side is fixedly connected with centralizer.
Reference picture 1, moment of torsion transmit function by rotary sleeve 10, universal joint bearing and connection bearing and rotary sleeve zero
Part is completed, the external diameter of spherical shell 3 and identical with the internal diameter for the rotary sleeve 10 that it coordinates place；Inside and outside spherical surface last week of leading truck 5
To a plurality of raceway groove that is provided with of decile, the two sides of leading truck 5 are to be convex to two consistent spheres, the spherical outside surface of leading truck 5 with it is spherical
Shell 3 coordinates, and the Internal Spherical Surface of leading truck 5 coordinates with spherical set 8, and the mating surface of spherical shell 3 and spherical set 8 and leading truck 5 is ball
Face；Ball-and-socket corresponding with the channel location of leading truck 5, steel ball I 4 and steel ball II 7 are offered on the sphere of spherical shell 3 and spherical set 8
It is separately mounted in the ball-and-socket of spherical shell 3 and spherical set 8, raceway groove contacts with steel ball conjugation；Spherical shell 3 and spherical set 8 pass through steel
Moment of torsion caused by rotary sleeve 10 is passed to leading truck 5 by ball I 4 and steel ball II 7.
Reference picture 2, leading truck 5 are arranged on the axis of guide 11 by spline 12 and screw 6；External splines 12 on the axis of guide 11
Coordinate with the internal spline on leading truck 5, most moment of torsion caused by rotary sleeve 10 passes to the axis of guide 11 at last, drives drill bit 13 to enter
Row broken rock.
Reference picture 3, leading truck 5 are evenly equipped with three identical screwed holes, and the axis of the axis of screwed hole and straight pin 9
It is mutually perpendicular to, while also uniform three screwed holes, three screws 6 insert 5 screwed hole on leading truck and led on the surface of the axis of guide 11
To the screwed hole of axle 11, frame can be directed to and be fixed on the axis of guide, while the axis of guide can also be delivered torque to by screw 6
11, it is final to drive the broken rock of drill bit 13.
Reference picture 4, rotary sleeve 10 coordinate the internal diameter of place's centralizer 1 identical with it, spherical set 8 and the rotation for coordinating place with it
The internal diameter for turning overcoat 10 is identical；8 identical lower semi-circular grooves, the rotation coordinated with it are evenly equipped with 8 peripheries of spherical set
Also there are 8 identical upper half circular grooves the inside of overcoat 10, and lower notches cooperatively form a complete circle, straight pin 9
External diameter is identical with the circular groove diameter formed, and 8 straight pins 9 insert in this 8 circular grooves respectively, can be outer by rotation
10 moment of torsion of set passes to spherical set 8.
Respectively be evenly equipped with 12 raceway grooves on the both sides sphere of leading truck 5, respectively offered on the sphere of spherical shell 3 and spherical set 8 with
12 ball-and-sockets corresponding to channel location.Spherical shell 3 and leading truck 5, leading truck 5 and spherical set 8 are slided by steel ball between them
The track of the motion of movement parts is circular arc when cooperation and instrument execution guide function.
Operation principle of the present utility model：
Rotary sleeve 10 rotates caused moment of torsion and delivers torque to spherical shell 3 and ball with straight pin 9 by being fixedly connected
Shape set 8, then passes to leading truck 5 by steel ball I 4 and steel ball II 7, and leading truck 5 passes through the spline 12 that coordinates with the axis of guide 11
The axis of guide 11, which is delivered torque to, with screw 6 drives drill bit broken rock.
Upper drilling string is applied to the pressure of the drill on rotary sleeve 10, the step transmission coordinated through spherical set 8 with rotary sleeve 10
To spherical set 8, spherical set 8 by the steel ball II 7 that coordinates with it by load transfer to leading truck 5, leading truck 5 by its step with
Step and screw 6 on the spline 12 of the cooperation of the axis of guide 11 are by load transfer to the axis of guide 11, and most the pressure of the drill passes through the axis of guide at last
11 pass to drill bit, carry out broken rock.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific embodiment of the present utility model is only limitted to this, for the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should be all considered as
Belong to the utility model and determine scope of patent protection by the claims submitted.
Claims (6)
- A kind of 1. universal joint bearing of dynamic guiding type rotary steering drilling tool, it is characterised in that：Including outer installed in rotation Cover spherical shell (3), steel ball I (4), leading truck (5), the steel ball II (7) in (10), spherical set (8) and the axis of guide (11)；Spherical shell (3), leading truck (5) and spherical set (8) are sequentially arranged on the middle axis of guide (11) provided with flow channel for liquids, are led Drill bit (13) is connected with to axle (11) one end；Along the circumferential direction being provided between the spherical shell (3) and leading truck (5) multiple can be such that the two radially produces relatively The steel ball I (4) of slip, spherical shell (3) and leading truck (5) are slidably matched by steel ball I (4), leading truck (5) and spherical set (8) Between multiple steel balls II (7) that the two can be made radially to produce relative slip, leading truck (5) and ball are along the circumferential direction installed Shape set (8) is slidably matched by steel ball II (7)；Spherical shell (3) and spherical set (8) are fixedly connected with rotary sleeve (10), are oriented to Frame (5) is fixedly mounted on the axis of guide (11), and the axis of guide is reserved between spherical shell (3) and spherical set (8) and the axis of guide (11) (11) gap swung, the gap of leading truck (5) swing is reserved between leading truck (5) and rotary sleeve (10)；It is described spherical Shell (3) is provided with sealing structure (2) close to the side of drill bit, and sealing structure (2) is arranged in centralizer, sealing structure side and rotation Turn overcoat (10) to be fixedly connected, opposite side is fixedly connected with centralizer；Between spherical shell (3) and leading truck (5), pass through steel ball I (4) and steel ball II (7) between leading truck (5) and spherical set (8) It is slidably matched, makes leading truck (5) that relative slip occur with spherical shell (3) and spherical set (8), realizes that the axis of guide (11) is swung and be oriented to Function, the sliding trace between leading truck (5) and spherical shell (3) and spherical set (8) is circular arc.
- 2. the universal joint bearing of dynamic guiding type rotary steering drilling tool according to claim 1, it is characterised in that：Lead It is to be convex to two consistent spheres to frame (5) two sides, spherical outside surface and the spherical shell (3) of leading truck (5) coordinate, leading truck (5) Internal Spherical Surface coordinate with spherical set (8), spherical shell (3) and spherical set (8) and the mating surface of leading truck (5) are sphere；It is oriented to Circumferential decile is provided with a plurality of raceway groove on the inside and outside spherical surface of frame (5), offer on the sphere of spherical shell (3) and spherical set (8) with Ball-and-socket corresponding to leading truck (5) channel location, steel ball I (4) and steel ball II (7) are separately mounted to spherical shell (3) and spherical set (8) Ball-and-socket in, raceway groove and steel ball conjugation contact；Spherical shell (3) and spherical set (8) will be rotated by steel ball I (4) and steel ball II (7) Moment of torsion caused by overcoat (10) passes to leading truck (5).
- 3. the universal joint bearing of dynamic guiding type rotary steering drilling tool according to claim 1 or 2, its feature exist In：Leading truck (5) is arranged on the axis of guide (11) by spline (12) and screw (6)；External splines (12) on the axis of guide (11) Coordinate with the internal spline on leading truck (5), most moment of torsion caused by rotary sleeve (10) passes to the axis of guide (11) at last, drives and bores Head (13) broken rock.
- 4. the universal joint bearing of dynamic guiding type rotary steering drilling tool according to claim 3, it is characterised in that：Lead Three screwed holes are evenly equipped with to frame (5), the axis of guide (11) surface is evenly equipped with three screwed holes, and three screws (6) insert screw thread Hole is directed to frame (5) and is fixed on the axis of guide (11), delivers torque to the axis of guide by screw (6), most moment of torsion passes through at last The axis of guide (11) passes to drill bit and carries out broken rock.
- 5. the universal joint bearing of dynamic guiding type rotary steering drilling tool according to claim 3, it is characterised in that：Ball 8 identical lower semi-circular grooves are evenly equipped with shape set (8) outer peripheral face, it is interior with the rotary sleeve (10) of spherical set (8) cooperation There are 8 identical upper half circular grooves in portion, and lower notches cooperatively form a complete circle, and 8 straight pins (9) insert this respectively In 8 circular grooves, the moment of torsion of rotary sleeve (10) is passed into spherical set (8).
- 6. the universal joint bearing of dynamic guiding type rotary steering drilling tool according to claim 3, it is characterised in that：Lead Respectively it is evenly equipped with 12 raceway grooves on to frame (5) both sides sphere, is respectively offered on the sphere of spherical shell (3) and spherical set (8) and raceway groove 12 ball-and-sockets of position correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649006.0U CN207033983U (en) | 2017-06-06 | 2017-06-06 | A kind of universal joint bearing of dynamic guiding type rotary steering drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649006.0U CN207033983U (en) | 2017-06-06 | 2017-06-06 | A kind of universal joint bearing of dynamic guiding type rotary steering drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207033983U true CN207033983U (en) | 2018-02-23 |
Family
ID=61469747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720649006.0U Expired - Fee Related CN207033983U (en) | 2017-06-06 | 2017-06-06 | A kind of universal joint bearing of dynamic guiding type rotary steering drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207033983U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165935A (en) * | 2017-06-06 | 2017-09-15 | 西安石油大学 | A kind of power transmission oscillating bearing of dynamic guiding type rotary steering drilling tool |
| CN110594289A (en) * | 2019-09-23 | 2019-12-20 | 中国石油天然气集团有限公司 | Bearing for rotary guiding tool and manufacturing method of wear-resistant teeth of bearing |
-
2017
- 2017-06-06 CN CN201720649006.0U patent/CN207033983U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165935A (en) * | 2017-06-06 | 2017-09-15 | 西安石油大学 | A kind of power transmission oscillating bearing of dynamic guiding type rotary steering drilling tool |
| CN107165935B (en) * | 2017-06-06 | 2023-02-28 | 西安石油大学 | Force transmission joint bearing of dynamic directional rotary steering drilling tool |
| CN110594289A (en) * | 2019-09-23 | 2019-12-20 | 中国石油天然气集团有限公司 | Bearing for rotary guiding tool and manufacturing method of wear-resistant teeth of bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102913131B (en) | A kind of dynamically guiding type rotary steering drilling tool | |
| CN207033983U (en) | A kind of universal joint bearing of dynamic guiding type rotary steering drilling tool | |
| CN203374204U (en) | Controllable bent connector guide device | |
| CN102865038B (en) | A kind of offset guide mechanism of dynamic guiding type rotary steering drilling tool | |
| CN103510872B (en) | A kind of controllable bent joint guiding mechanism | |
| WO2016015528A1 (en) | Dynamic inwardly eccentrically-placed directional drill bit type rotation guidance apparatus | |
| US10288065B1 (en) | Mud motor coupling system | |
| CN107882507A (en) | A kind of high build angle rate rotary steering drilling tool | |
| CN105275394A (en) | Novel angle controllable rotation guiding tool | |
| CN107165935A (en) | A kind of power transmission oscillating bearing of dynamic guiding type rotary steering drilling tool | |
| US20220186599A1 (en) | Mechanical Automatic Vertical Drilling Tool | |
| CN102787806A (en) | Concentric pipe-following drilling tool | |
| CN104499957A (en) | Universal joint for screw drilling tools | |
| CN2866789Y (en) | Universal joint for rotary guiding well drilling | |
| CN107060644B (en) | A kind of wheel rotating state directional type rotary steering system and guiding control method | |
| CN113027910B (en) | Biaxial acting plain bearing assembly for rotary pilot nipple | |
| CN105156023A (en) | Screw drill | |
| CN103132926B (en) | Hollow universal joint for rotary steerable drilling | |
| CN105465308B (en) | A kind of transmission mechanism and its 4D probe | |
| CN205154020U (en) | Rotatory steerable drilling guide vane elbow of system of directional formula | |
| CN214837866U (en) | Biaxial action sliding bearing assembly and sliding bearing thereof | |
| CN113027923B (en) | Biaxial acting plain bearing assembly and plain bearing therefor | |
| CN204663417U (en) | A kind of mud motor sour jujube formula universal drive shaft | |
| CN203383730U (en) | Directive rotary steering well drilling steering tool | |
| CN204402387U (en) | Helicoid hydraulic motor universal joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20210606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |