CN207660537U - Backpulsing on-bladed well dynamic unit and backpulsing on-bladed mud motor - Google Patents
Backpulsing on-bladed well dynamic unit and backpulsing on-bladed mud motor Download PDFInfo
- Publication number
- CN207660537U CN207660537U CN201820017394.5U CN201820017394U CN207660537U CN 207660537 U CN207660537 U CN 207660537U CN 201820017394 U CN201820017394 U CN 201820017394U CN 207660537 U CN207660537 U CN 207660537U
- Authority
- CN
- China
- Prior art keywords
- mandrel
- outer barrel
- backpulsing
- bladed
- rotary member
- 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
- 230000001771 impaired effect Effects 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 239000000725 suspension Substances 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 64
- 238000007789 sealing Methods 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The utility model is related to oil gas energy extraction equipment technical fields, it is a kind of backpulsing on-bladed well dynamic unit and backpulsing on-bladed mud motor, the former includes outer barrel component and Power Component, Power Component includes mandrel and turns certainly, mandrel suspension is mounted in outer barrel component and between the two can relative rotation, the middle part of mandrel is equipped with the feed liquor sidewalk for visually impaired people of opening upwards, and the lower outside of mandrel is equipped with turning certainly for the synchronous rotation of energy；The latter includes connecting cylinder, shaft coupling, connecting tube and at least two backpulsing on-bladed well dynamic units that are arranged in order, it is mounted on connecting cylinder between the outer barrel component of every two adjacent backpulsing on-bladed well dynamic unit, turns certainly and circumferentially has the rotation runner that can be communicated with feed liquor sidewalk for visually impaired people between mandrel.The utility model is simple in structure, easy to process, and assembly precision requirement is low, and will not be limited by environment, can also realize standardized production, so as to reduce production cost, make it easier to promote.
Description
Technical field
The utility model is related to oil gas energy extraction equipment technical fields, are a kind of backpulsing on-bladed well dynamic units
With backpulsing on-bladed mud motor.
Background technology
The mud motor of oil/gas drilling sector application at present mainly has positive displacement helicoid hydraulic motor and turbodrill.Wherein
Positive displacement helicoid hydraulic motor be one kind using drilling fluid as power, liquid pressure energy is switched to the positive displacement underground power drilling of mechanical energy
Tool；And turbodrill is then a kind of power drilling tool that the kinetic energy of drilling fluid is converted into mechanical energy.Wherein turbodrill is basic
Structure is with principle：Turbodrill is connected by multistage turbine, is made of a stator and a rotor per first turbine.Stator and
Very anfractuose blade is designed on rotor.It after drilling fluid flows through turbine rotor, is acted on by blade shape, a part of kinetic energy is passed
Rotor blade is passed, the mechanical energy that liquid kinetic energy is converted to rotor by rotor rotation is driven to export.
Existing turbodrill the problem is that：
1. design of major parts, processing, assembly difficulty are high.Turbine blade arrangement influences tool performance, and blade construction is complicated,
For three-dimension curved surface, it is larger to be typically designed difficulty；Outer barrel length is longer, and processing all needs professional equipment；Movement, stationary parts cooperation essence
Degree is high, and assembly is difficult.
Bearing operating mode is severe.The journal bearing for playing righting main shaft is operated in drilling fluid, is easily worn；Generally conventional bearing
It is difficult to be competent at；Thrust bearing needs to bear huge axial force on turbine section, generally also needs individually designed.
The above reason causes turbodrill design worked door etc. technical thresholds high, and part-subassemble standard degree is low, processing and
Use cost is high, and application is difficult.
Invention content
The utility model provides a kind of backpulsing on-bladed well dynamic unit and backpulsing on-bladed underground power drilling
Tool, overcomes the deficiency of the above-mentioned prior art, can effectively solve complicated existing for existing turbodrill, difficulty of processing
Greatly, assembly precision is high, is easily restricted by environment, and standardization level is low, and production cost is high, the problem of being not easy to promote.
One of the technical solution of the utility model is realized by following measures：A kind of backpulsing on-bladed underground is dynamic
Power unit, including outer barrel component and Power Component, Power Component include mandrel and turn certainly, and mandrel suspension is mounted on outer barrel component
It is interior and between the two can relative rotation, the middle part of mandrel is equipped with the feed liquor sidewalk for visually impaired people of opening upwards, and the lower outside of mandrel is equipped with energy
Turning certainly for synchronous rotation, has from swivel and circumferentially the rotation runner that can be communicated with feed liquor sidewalk for visually impaired people between mandrel,
The outlet of all rotation runners is in that rotation direction is identical skewed.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution：
Together with oneself above-mentioned swivel can be sequentially connected with mandrel.
It is above-mentioned to may include that inner rotary member and external rotary member, inner rotary member are located at the lower outside of mandrel, the top of inner rotary member from swivel
Coupled by spline with the lower outside of mandrel and be installed together, limiting section is equipped on the outside of the mandrel of corresponding inner rotary member lower position
Part is installed with external rotary member on the outside of inner rotary member, circumferentially have on the mandrel of corresponding inner rotary member medium position in go out liquid
Hole, circumferentially there is the connection fluid hole that can be communicated with corresponding interior fluid hole on inner rotary member, external rotary member upper edge vertically to point
It is furnished at least one circle runner circle, often encloses runner circle including at least two circumferentially in the outgoing fluid apertures on external rotary member, institute
The outgoing fluid apertures having is in that rotation direction is identical skewed, and interior fluid hole, connection fluid hole and outgoing fluid apertures are collectively formed from turn of tidal stream
Road.
Can be equipped on the inside of the inner rotary member of fluid hole position in above-mentioned correspondence can be connected to the inner groove of all connection fluid holes, right
The upper sealing ring for being equipped between the inner rotary member and mandrel of inner groove top position and being located above interior fluid hole is answered, under corresponding inner groove
The lower seal being equipped between inner rotary member and mandrel that orientation is set below interior fluid hole；Correspond to the interior of outer liquid outlet holes hole site
Swivel outside is equipped with the outer grooves that can be connected to all connection fluid holes, correspond to outer groove top position inner rotary member and external rotary member it
Between be equipped with the upper sealing ring being located above all outgoing fluid apertures, set between the inner rotary member and external rotary member of corresponding outer groove lower position
There is the lower seal below all outgoing fluid apertures.
Above-mentioned outer barrel component may include that outer barrel, middle outer barrel and lower outer barrel, the lower outside of upper outer barrel are upper with middle outer barrel
It is fixedly installed togather on the inside of portion, the lower outside of middle outer barrel and the upper inner of lower outer barrel are fixedly installed togather, middle outer barrel
Inside be equipped be located at from swivel top in interior land, in the interior land seat of honour have the axle sleeve being sleeved on the outside of mandrel, axle sleeve
Top is located at the lower inside of upper outer barrel, and respective shaft, which covers, is equipped with upper inner ring platform on the inside of the upper outer barrel of top position, corresponding upper inner ring
Rolling bearing is equipped between platform and axle sleeve between the mandrel of position and upper outer barrel, the upper outside of mandrel is equipped with seat in rolling bearing
On the first outer land.
Alignment bearing, the mandrel of position between respective rotary bearings and alignment bearing can be equipped between above-mentioned axle sleeve and mandrel
Outside is equipped with spacer, is installed with retaining ring on the outside of the mandrel of corresponding alignment bearing bottom position, and alignment bearing seat in
In retaining ring.
Between above-mentioned first outer land and upper inner ring platform can be equipped with the first rotatory sealing, the lower part of mandrel in interior land it
Between be equipped with the second rotatory sealing, the upper outer barrel of corresponding first rotatory sealing lower position is equipped with dummy piston, corresponding second rotation
The middle outer barrel for turning sealing lower position is equipped with dummy piston.
The lower outside of above-mentioned upper outer barrel can be connected through a screw thread with the upper inner of middle outer barrel and be fixedly installed togather, and
The junction of the two is equipped with sealing ring and antirotation keys；The lower outside of middle outer barrel and the upper inner of lower outer barrel are connected through a screw thread
It is fixedly installed togather, and the junction of the two is equipped with sealing ring and antirotation keys.
The upper inner of above-mentioned feed liquor sidewalk for visually impaired people can be equipped with internal spline, and the lower outside of mandrel is equipped with external splines.
The technical solution of the utility model second is that being realized by following measures：It is a kind of to use backpulsing on-bladed well
The backpulsing on-bladed mud motor of lower power unit, including connecting cylinder, shaft coupling, connecting tube and at least two arrange successively
The backpulsing on-bladed well dynamic unit of row, between the outer barrel component of every two adjacent backpulsing on-bladed well dynamic unit
Connecting cylinder is installed, the both ends of connecting cylinder, which are connected through a screw thread with the end of corresponding outer barrel component, to be fixedly installed togather,
And it is equipped with antirotation keys in the threaded connection place of the two；Between the mandrel of every two adjacent backpulsing on-bladed well dynamic unit
Equipped with the connecting tube in connecting cylinder, the both ends of connecting tube are installed together with corresponding mandrel by shaft coupling, connection
Circumferentially there is liquid-passing hole on pipe.
The utility model reasonable and compact in structure, it is easy to use, by the setting of feed liquor sidewalk for visually impaired people and rotation runner, can make
High-pressure fluid acts on to be turned and drives from swivel rotation certainly, and then has driven the rotation of component to be driven, simple in structure, easily
In processing, assembly precision requirement is low, convenient for assembly, and will not be limited by environment, can also realize standardized production, to
Production cost can be reduced, makes it easier to promote.
Description of the drawings
Attached drawing 1 is the main view schematic cross-sectional view of the utility model embodiment two.
Attached drawing 2 is the vertical view section view enlarged structure schematic diagram of external rotary member in attached drawing 1.
Coding in attached drawing is respectively：1 is mandrel, and 2 be feed liquor sidewalk for visually impaired people, and 3 be inner rotary member, and 4 be external rotary member, and 5 be limiting section
Part, 6 be interior fluid hole, and 7 be connection fluid hole, and 8 be outgoing fluid apertures, and 9 be inner groove, and 10 be upper sealing ring, and 11 be lower seal,
12 be outer groove, and 13 be upper outer barrel, and 14 be middle outer barrel, and 15 be lower outer barrel, 16 be in interior land, 17 be axle sleeve, and 18 be upper inner ring
Platform, 19 be rolling bearing, and 20 be the first outer land, and 21 be alignment bearing, and 22 be spacer, and 23 be retaining ring, and 24 be the first rotation
Sealing, 25 be the second rotatory sealing, and 26 be dummy piston, and 27 be connection sealing ring, and 28 be antirotation keys, and 29 be internal spline, and 30 are
External splines, 31 be connecting cylinder, and 32 be shaft coupling, and 33 be connecting tube, and 34 be liquid-passing hole, and 35 be top connection.
Specific implementation mode
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative position relation of each component is according to specification
The Butut mode of attached drawing 1 is described, such as：The position relationship of front, rear, top, and bottom, left and right etc. is according to Figure of description
Butut direction determine.
The utility model is further described with reference to embodiment and attached drawing：
Embodiment one：As shown in attached drawing 1,2, which includes outer barrel component and moves
Power component, Power Component include mandrel 1 and turn certainly, and the suspension of mandrel 1 is mounted in outer barrel component and between the two can rotation relatively
Turn, the middle part of mandrel 1 is equipped with the feed liquor sidewalk for visually impaired people 2 of opening upwards, and the lower outside of mandrel 1 is equipped with the rotation of the synchronous rotation of energy
Body goes out from swivel with circumferentially having the rotation runner that can be communicated with feed liquor sidewalk for visually impaired people 2, all rotation runners between mandrel 1
Mouth is in that rotation direction is identical skewed.In use, the top of upper tube string and outer barrel component can be fixedly mounted on one
It rises, the inside of the upper tube string should be equipped with the mistake liquid stream road that can be communicated with feed liquor sidewalk for visually impaired people 2, by component to be driven and mandrel 1
Bottom is sequentially connected together from swivel；Then can be by its whole G.I.H, and high-pressure fluid is injected into pipe string, at this time
High-pressure fluid will enter feed liquor sidewalk for visually impaired people 2 by crossing liquid stream road and the high-pressure fluid for spraying from rotation runner, and spraying will generate work
For the opposition of the autobiographical type, mandrel 1 and component to be driven rotation are driven so as to drive from swivel.According to demand, outside
Mandrel 1 can be installed by bearing and limiting stand suspension in cartridge module, thus can ensure that the two opposite can rotate freely；From swivel
It can be wholely set or be fixed together or be installed together with mandrel 1, thus can ensure that rotation physical efficiency is synchronous with Power Component and turn
It is dynamic；The upper inner of outer barrel component can be installed with top connection 35.
Above-mentioned backpulsing on-bladed well dynamic unit can be made further optimization and/or improvements according to actual needs：
As shown in attached drawing 1,2, turn certainly together with being sequentially connected with mandrel 1.Thus rotation physical efficiency and power packages be can ensure that
Part rotates synchronously.According to demand, it can be coupled from swivel and mandrel 1 by spline and be installed together.
Include inner rotary member 3 and external rotary member 4 from swivel as shown in attached drawing 1,2, inner rotary member 3 is located at the lower outside of mandrel 1,
The top of inner rotary member 3, which is coupled with the lower outside of mandrel 1 by spline, to be installed together, the core of 3 lower position of corresponding inner rotary member
1 outside of axis is equipped with limiting component 5, and the outside of inner rotary member 3 is installed with external rotary member 4, the mandrel of 3 medium position of corresponding inner rotary member
Circumferentially there is interior fluid hole 6 on 1, circumferentially there is the connection that can be communicated with corresponding interior fluid hole 6 to go out on inner rotary member 3
Fluid apertures 7,4 upper edge of external rotary member at least one circle runner circle is distributed with, is often enclosed runner circle and are circumferentially divided including at least two vertically
The outgoing fluid apertures 8 being distributed on external rotary member 4, all outgoing fluid apertures 8 are in that rotation direction is identical skewed, and interior fluid hole 6 is connected to out
Rotation runner is collectively formed in fluid apertures 7 and outgoing fluid apertures 8.Thus can be convenient for from swivel processing and assembly, reduce difficulty of processing and
Cost.According to demand, can it can include eight along runner circle vertically to three circle runner circles are intervally distributed with, is often enclosed on external rotary member 4
It is uniformly distributed along the circumference in the outgoing fluid apertures 8 on external rotary member 4；Existing known technology can be used in limiting component 5, as limited block, pin or
Limit stop ring etc..
As shown in attached drawing 1,2,3 inside of inner rotary member of corresponding interior 6 position of fluid hole, which is equipped with, can be connected to all connection fluid holes 7
Inner groove 9, be equipped between the inner rotary member 3 and mandrel 1 of corresponding 9 top position of inner groove and be located at the upper close of 6 top of interior fluid hole
Seal 10 is equipped with the lower sealing positioned at 6 lower section of interior fluid hole between the inner rotary member 3 and mandrel 1 of 9 lower position of corresponding inner groove
Circle 11；3 outside of inner rotary member of corresponding outgoing 8 position of fluid apertures is equipped with the outer groove 12 that can be connected to all connection fluid holes 7, corresponding outer
The upper sealing ring 10 for being located at 8 top of all outgoing fluid apertures is equipped between the inner rotary member 3 and external rotary member 4 of 12 top position of annular groove, it is right
Answer the lower seal for being equipped between the inner rotary member 3 and external rotary member 4 of 12 lower position of outer groove and being located at 8 lower section of all outgoing fluid apertures
11.Thus it can ensure that high-pressure fluid flowing is unobstructed, and the kinetic energy loss of high-pressure fluid can be reduced, make to flow from each outgoing fluid apertures 8
The high-pressure fluid gone out can apply the opposition of bigger to the autobiographical type.
As shown in attached drawing 1,2, outer barrel component includes upper outer barrel 13, middle outer barrel 14 and lower outer barrel 15, the lower part of upper outer barrel 13
Outside and the upper inner of middle outer barrel 14 are fixedly installed togather, the upper inner of the lower outside of middle outer barrel 14 and lower outer barrel 15
Be fixedly installed togather, the inside of middle outer barrel 14, which is equipped with, to be located at from interior land 16 in swivel top, in 16 seat of honour of interior land have
It is sleeved on the axle sleeve 17 in 1 outside of mandrel, the top of axle sleeve 17 is located at the lower inside of upper outer barrel 13,17 top position of corresponding axle sleeve
The inside of upper outer barrel 13 be equipped with upper inner ring platform 18, the mandrel 1 and upper outer barrel 13 of position between corresponding upper inner ring platform 18 and axle sleeve 17
Between be equipped with rolling bearing 19, the upper outside of mandrel 1 is equipped with seat in the first outer land 20 on rolling bearing 19.Rolling bearing
19 setting not only may make mandrel 1 can opposite outer barrel component suspension setting, can also make between the two can flow rotation, to subtract
The frictional force that few mandrel 1 relatively rotates.
As shown in attached drawing 1,2, alignment bearing 21, respective rotary bearings 19 and righting axis are equipped between axle sleeve 17 and mandrel 1
1 outside of mandrel for holding position between 21 is equipped with spacer 22, and 1 outside of mandrel of 21 bottom position of corresponding alignment bearing is fixedly mounted
There is retaining ring 23, and alignment bearing 21 is in retaining ring 23.The setting of alignment bearing 21 can further improve axle sleeve 17 and core
The stability of relative rotation between axis 1, prevents mandrel 1 from generating axial dipole field in rotary course.
As shown in attached drawing 1,2, the first rotatory sealing 24 is equipped between the first outer land 20 and upper inner ring platform 18, mandrel 1
Lower part and in be equipped with the second rotatory sealing 25 between interior land 16, on the upper outer barrel 13 of 24 lower position of corresponding first rotatory sealing
Equipped with dummy piston 26, the middle outer barrel 14 of 25 lower position of corresponding second rotatory sealing is equipped with dummy piston 26.First rotation
The setting of sealing 24 and the second rotatory sealing 25 can prevent high-pressure fluid from revealing, and the setting of dummy piston 26 can balanced seal intracavitary
Pressure.
As shown in attached drawing 1,2, the lower outside of upper outer barrel 13 and the upper inner of middle outer barrel 14 are connected through a screw thread fixation
It is installed together, and the junction of the two is equipped with connection sealing ring 27 and antirotation keys 28；The lower outside of middle outer barrel 14 with it is lower outer
The upper inner of cylinder 15, which is connected through a screw thread, to be fixedly installed togather, and the junction of the two is equipped with connection sealing ring 27 and anti-rotation
Key 28.According to demand, anti-rotation groove is equipped on the end face that connects of the two of 28 position of correspondence antirotation keys, and antirotation keys 28 is upper and lower
Both ends are respectively embedded into corresponding anti-rotation groove.The setting of threaded connection can make its installing and dismounting more convenient, and antirotation keys 28 are set
Setting can prevent junction from loosening, and the setting of sealing ring can prevent high-pressure fluid from revealing.
As shown in attached drawing 1,2, the upper inner of feed liquor sidewalk for visually impaired people 2 is equipped with internal spline 29, and the lower outside of mandrel 1 is equipped with outer flower
Key 30.Thus it can be convenient for the drive connection and installation of mandrel 1.
Embodiment two：As shown in attached drawing 1,2, a kind of backpulsing on-bladed using backpulsing on-bladed well dynamic unit
Mud motor, including backpulsing on-bladed well that connecting cylinder 31, shaft coupling 32, connecting tube 33 and at least two are arranged in order
Lower power unit is mounted on connecting cylinder 31 between the outer barrel component of every two adjacent backpulsing on-bladed well dynamic unit, even
The both ends of connect cylinder 31 are connected through a screw thread with the end of corresponding outer barrel component and are fixedly installed togather, and in the screw thread of the two
Junction is equipped with antirotation keys 28；It is equipped between the mandrel 1 of every two adjacent backpulsing on-bladed well dynamic unit positioned at company
The both ends of connecting tube 33 in connect cylinder 31, connecting tube 33 are installed together with corresponding mandrel 1 by shaft coupling 32, connecting tube
Circumferentially there is liquid-passing hole 34 on 33.In use, component to be driven can be mounted on to the lower part of the lowermost mandrel 1, thus
Can ensure that can transmit torque jointly between each mandrel 1 and connecting tube 33, the setting of liquid-passing hole 34 can by 33 inside of connecting tube with
31 inside connection of connecting cylinder, so that it is guaranteed that the height for entering feed liquor sidewalk for visually impaired people 2 by crossing liquid stream road from top and being sprayed from rotation runner
It presses fluid that can enter by liquid-passing hole 34 in the feed liquor sidewalk for visually impaired people 2 of lower section mandrel 1, all rotation physical efficiencys can thus be jointly subjected to
The opposition of high-pressure fluid, and then drive all mandrels 1 that component to be driven is driven to rotate jointly.According to demand, shaft coupling
32 both ends are installed together with corresponding connecting tube 33 and mandrel 1 by spline connection.
The above technical characteristic constitutes the embodiments of the present invention, can with stronger adaptability and implementation result
Increase and decrease non-essential technical characteristic according to actual needs, to meet the needs of different situations.
Claims (10)
1. a kind of backpulsing on-bladed well dynamic unit, it is characterised in that including including outer barrel component and Power Component, power
Component include mandrel and from turn, mandrel suspension be mounted on outer barrel component in and between the two can relative rotation, the middle part of mandrel
The lower outside of feed liquor sidewalk for visually impaired people equipped with opening upwards, mandrel is equipped with turning certainly for the synchronous rotation of energy, from swivel and mandrel
Between circumferentially have a rotation runner that can be communicated with feed liquor sidewalk for visually impaired people, the outlet of all rotation runners, which is in that rotation direction is identical, inclines
It is ramp-like.
2. backpulsing on-bladed well dynamic unit according to claim 1, it is characterised in that from swivel and mandrel transmission
It links together.
3. backpulsing on-bladed well dynamic unit according to claim 2, it is characterised in that swivel includes inner rotary member certainly
And external rotary member, inner rotary member are located at the lower outside of mandrel, the top of inner rotary member couples peace with the lower outside of mandrel by spline
It is fitted together, limiting component is equipped on the outside of the mandrel of corresponding inner rotary member lower position, outer turn is installed on the outside of inner rotary member
Body circumferentially has interior fluid hole on the mandrel of corresponding inner rotary member medium position, circumferentially have on inner rotary member can with it is right
The connection fluid hole that the interior fluid hole answered communicates, external rotary member upper edge at least one circle runner circle is distributed with, often enclose runner circle vertically
Including at least two circumferentially in the outgoing fluid apertures on external rotary member, all outgoing fluid apertures are in the identical inclination of rotation direction
Rotation runner is collectively formed in shape, interior fluid hole, connection fluid hole and outgoing fluid apertures.
4. backpulsing on-bladed well dynamic unit according to claim 3, it is characterised in that fluid hole position in corresponding
Inner rotary member on the inside of be equipped with and can be connected to all inner grooves for being connected to fluid holes, the inner rotary member and mandrel of correspondence inner groove top position
Between be equipped with the upper sealing ring being located above interior fluid hole, be equipped between the inner rotary member and mandrel of corresponding inner groove lower position
Lower seal below interior fluid hole；It is equipped with to be connected on the outside of the inner rotary member of corresponding outer liquid outlet holes hole site and all is connected to out liquid
The outer groove in hole is equipped with upper above all outgoing fluid apertures between the inner rotary member and external rotary member of corresponding outer groove top position
Sealing ring is equipped with the lower sealing being located at below all outgoing fluid apertures between the inner rotary member and external rotary member of corresponding outer groove lower position
Circle.
5. backpulsing on-bladed well dynamic unit according to claim 1 or 2 or 3 or 4, it is characterised in that outer barrel component
Including upper outer barrel, middle outer barrel and lower outer barrel, the lower outside of upper outer barrel and the upper inner of middle outer barrel are fixedly installed togather, in
The lower outside of outer barrel and the upper inner of lower outer barrel are fixedly installed togather, and the inside of middle outer barrel, which is equipped with, to be located at from swivel top
In interior land, in the interior land seat of honour there is the axle sleeve being sleeved on the outside of mandrel, the top of axle sleeve to be located at the lower inside of upper outer barrel,
Respective shaft, which covers, is equipped with upper inner ring platform on the inside of the upper outer barrel of top position, between corresponding upper inner ring platform and axle sleeve the mandrel of position with it is upper
Rolling bearing is equipped between outer barrel, the upper outside of mandrel is equipped with seat in the first outer land on rolling bearing.
6. backpulsing on-bladed well dynamic unit according to claim 5, it is characterised in that set between axle sleeve and mandrel
There is alignment bearing, spacer, corresponding alignment bearing bottom are installed between respective rotary bearings and alignment bearing on the outside of the mandrel of position
It is installed with retaining ring on the outside of the mandrel of portion position, and alignment bearing seat is in retaining ring.
7. backpulsing on-bladed well dynamic unit according to claim 5, it is characterised in that the first outer land with it is upper interior
Be equipped with the first rotatory sealing between land, the lower part of mandrel and in the second rotatory sealing, corresponding first rotation are equipped between interior land
The upper outer barrel for turning sealing lower position is equipped with dummy piston, and the middle outer barrel of corresponding second rotatory sealing lower position is equipped with flat
Weigh piston.
8. backpulsing on-bladed well dynamic unit according to claim 5, it is characterised in that the lower outside of upper outer barrel
It is connected through a screw thread and is fixedly installed togather with the upper inner of middle outer barrel, and the junction of the two is equipped with sealing ring and anti-rotation
Key；The upper inner of the lower outside of middle outer barrel and lower outer barrel, which is connected through a screw thread, to be fixedly installed togather, and the connection of the two
Place is equipped with sealing ring and antirotation keys；Or/and the upper inner of feed liquor sidewalk for visually impaired people is equipped with internal spline, the lower outside of mandrel is equipped with outer
Spline.
9. the backpulsing on-bladed well dynamic unit described according to claim 6 or 7, it is characterised in that outside the lower part of upper outer barrel
The upper inner of side and middle outer barrel, which is connected through a screw thread, to be fixedly installed togather, and the junction of the two is equipped with sealing ring and anti-rotation
Key；The upper inner of the lower outside of middle outer barrel and lower outer barrel, which is connected through a screw thread, to be fixedly installed togather, and the connection of the two
Place is equipped with sealing ring and antirotation keys；Or/and the upper inner of feed liquor sidewalk for visually impaired people is equipped with internal spline, the lower outside of mandrel is equipped with outer
Spline.
10. a kind of backpulsing using the backpulsing on-bladed well dynamic unit described in any one of claim 1 to 9 is without leaf
Piece mud motor, it is characterised in that the backpulsing being arranged in order including connecting cylinder, shaft coupling, connecting tube and at least two without
Blade well dynamic unit is mounted on connection between the outer barrel component of every two adjacent backpulsing on-bladed well dynamic unit
Cylinder, the both ends of connecting cylinder, which are connected through a screw thread with the end of corresponding outer barrel component, to be fixedly installed togather, and in the two
Threaded connection place is equipped with antirotation keys；It is equipped between the mandrel of every two adjacent backpulsing on-bladed well dynamic unit positioned at company
The both ends of connecting tube in connect cylinder, connecting tube are installed together with corresponding mandrel by shaft coupling, in connecting tube circumferentially
Liquid-passing hole is distributed with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820017394.5U CN207660537U (en) | 2018-01-05 | 2018-01-05 | Backpulsing on-bladed well dynamic unit and backpulsing on-bladed mud motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820017394.5U CN207660537U (en) | 2018-01-05 | 2018-01-05 | Backpulsing on-bladed well dynamic unit and backpulsing on-bladed mud motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207660537U true CN207660537U (en) | 2018-07-27 |
Family
ID=62944933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820017394.5U Expired - Fee Related CN207660537U (en) | 2018-01-05 | 2018-01-05 | Backpulsing on-bladed well dynamic unit and backpulsing on-bladed mud motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207660537U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104712A (en) * | 2018-01-05 | 2018-06-01 | 曾卫林 | Backpulsing on-bladed well dynamic unit and backpulsing on-bladed mud motor |
| CN108868586A (en) * | 2018-08-21 | 2018-11-23 | 曾卫林 | Blade-free mud motor |
-
2018
- 2018-01-05 CN CN201820017394.5U patent/CN207660537U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104712A (en) * | 2018-01-05 | 2018-06-01 | 曾卫林 | Backpulsing on-bladed well dynamic unit and backpulsing on-bladed mud motor |
| CN108104712B (en) * | 2018-01-05 | 2024-03-19 | 曾卫林 | Recoil type bladeless downhole power unit and recoil type bladeless downhole power drilling tool |
| CN108868586A (en) * | 2018-08-21 | 2018-11-23 | 曾卫林 | Blade-free mud motor |
| CN108868586B (en) * | 2018-08-21 | 2024-02-09 | 曾卫林 | Blade-free underground power drilling tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103883246B (en) | Underground high-efficient helicoid hydraulic motor | |
| CN102852455B (en) | Percussion drilling tool | |
| CN207660537U (en) | Backpulsing on-bladed well dynamic unit and backpulsing on-bladed mud motor | |
| CN106837725A (en) | Two-dimensional axial plunger displacement pump | |
| CN102913165B (en) | Well-drilling downhole turbine-drive while-drilling vibrator | |
| CN104165027A (en) | Three-dimensional turbine vibrator for petroleum drilling | |
| CN106246106A (en) | A kind of pulsed hydraulic jet drilling tool | |
| CN107178333B (en) | Polished rod sealer | |
| CN112983254B (en) | Screw drilling tool for directional drilling and workover | |
| CN201129297Y (en) | Double screw rod electric submersible pump | |
| CN103362438B (en) | Power section of hydraulic balance turbodrill | |
| CN110725649A (en) | Push-leaning type rotary guiding tool | |
| CN108625783A (en) | A kind of downhole pressure increasing auxiliary rock tool | |
| CN209067095U (en) | Blade-free mud motor | |
| CN203022654U (en) | Sealing type universal shaft for screw drilling tool | |
| CN206562977U (en) | Two-dimensional axial plunger pump | |
| CN108868586A (en) | Blade-free mud motor | |
| CN112627721B (en) | Continuous axial impact rock breaking hammer | |
| CN108104712A (en) | Backpulsing on-bladed well dynamic unit and backpulsing on-bladed mud motor | |
| CN210829061U (en) | All-metal downhole power drilling tool based on multi-stage double-plunger-eccentric gear mechanism | |
| CN108716362B (en) | Hydraulic bearing screw drilling tool | |
| CN110593752A (en) | All-metal downhole power drilling tool based on multi-stage double-plunger-eccentric gear mechanism | |
| CN107130919B (en) | A kind of cam motor formula hydroscillator | |
| CN210977290U (en) | Push-leaning type rotary guiding tool | |
| CN211448586U (en) | Vibration drag reduction tool for well drilling |
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: 20180727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |