CN109555471A - A kind of rotation type torsion impact generating device and its working method - Google Patents
A kind of rotation type torsion impact generating device and its working method Download PDFInfo
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- CN109555471A CN109555471A CN201811391243.7A CN201811391243A CN109555471A CN 109555471 A CN109555471 A CN 109555471A CN 201811391243 A CN201811391243 A CN 201811391243A CN 109555471 A CN109555471 A CN 109555471A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000005553 drilling Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 9
- 230000035939 shock Effects 0.000 claims description 8
- 230000000737 periodic effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002411 adverse Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 238000013461 design Methods 0.000 description 6
- 239000004576 sand Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/002—Down-hole drilling fluid separation systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of rotation type torsion impact generating device and its working methods, it solves the problems, such as that frequency of impact is lower in the prior art, impact force is smaller, structure is complicated, vulnerable part is more, has the effect of can be improved single-impact power, promotes energy utilization efficiency, substantially reduces while improving stability the adverse effect to normal drilling operability；Its technical solution are as follows: including for tentatively shunting desanding water conservancy diversion desanding component, rotary power is provided for rotation axis turbine motor Power Component, the impact assembly of twisting impact is provided, the impact assembly is installed on transmission shaft end, including the impact hammer that can be rotated with transmission shaft, the anvil block matched with the impact hammer；Impact hammer generates high frequency twisting impact by periodically impact anvil block.
Description
Technical field
The present invention relates to oil drilling auxiliary rock field of tool more particularly to a kind of rotation type torsion impact to fill
It sets and its working method.
Background technique
High abrasive stratum and it is soft or hard staggeredly stratum drilling process in, drill bit stick slip vibration frequently, rate of penetration
It is low, drill bit is easy to damage, poor hole quality is the technical problem underlying currently faced, root be the shearing force of cut drill not
It is enough fractured rock to gather so as to cause torque in drill string, when the torque that drill bit is transmitted reaches the breaking strength of rock, bores
Energy abrupt release in column leads to drill bit high vibration, leads to the problem of Friction.Related technical personnel start to visit thus
Rope is a kind of to be able to suppress stick slip vibration, protection drilling tool and the method for improving rate of penetration and hole quality in bad ground.
Existing research shows that the use of torsion impact tool, which can be greatly decreased, improves machine while stick slip vibration, protection drilling tool
Tool drilling speed.
Torsion impact tool there is problems at present:
(1) existing tool construction is complicated, and vulnerable part is more, in severe underground work environment the effective time compared with
It is short；
(2) the main movement energy of existing tool derives from drilling fluid, and its lower energy utilization efficiency greatly improves
Drilling fluid pressure drop brings a negative impact for normal wellbore construction；
(3) existing tool impact frequency is lower, impact force is smaller, it is difficult to reach ideal task performance.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of rotation type torsion impact generating device and its works
Make method, having can be improved single-impact power, promote energy utilization efficiency, substantially reduce while improving stability
To the effect of the adverse effect of normal drilling operability.
The present invention adopts the following technical solutions:
A kind of rotation type torsion impact generating device, comprising:
Water conservancy diversion desanding component, for tentatively shunting desanding；
Turbine motor Power Component provides rotary power for rotation axis；
Impact assembly is installed on transmission shaft end, including can with transmission shaft rotate impact hammer, with the impact
The anvil block that hammer body matches；Impact hammer generates high frequency twisting impact by periodically impact anvil block.
Further, the anvil block is connected by positioning sleeve with drill holder, and positioning sleeve is used to for twisting impact being transferred to
Drill holder is with auxiliary rock.
Further, the impact hammer is double tup hammer bodies, and hammer body is symmetrically distributed in transmission shaft two sides；On the outside of hammer body
Anvil block is installed.
Further, the anvil block is annular anvil, has the protrusion for bearing tup shock on the inside of annular anvil.
Further, the annular anvil is connected by positioning pin with positioning sleeve；
Both ends are respectively equipped with location hole and locating slot on the outside of annular anvil, and two sides are equipped with location hole inside positioning sleeve, pass through
Positioning pin constrains annular anvil movement.
Further, the turbine motor Power Component includes multistage turbine stator and turbine rotor, and turbine stator,
Turbine rotor is alternately arranged, and the turbine rotor is installed on transmission shaft outer circumferential.
Further, the transmission shaft is installed on enclosure interior, shell one end and crossover sub screw thread by positioning bearing
Connection, the shell other end install drill holder；
The water conservancy diversion desanding component is set on the inside of crossover sub and one end is contacted with transmission shaft.
Further, the drill holder is connected by spline with shell, and the case inside is equipped with and spline fitted
Keyway, the spline and keyway form the gap of set angle.
Further, the water conservancy diversion desanding component is the water conservancy diversion chimney filter that side opens up multiple rectangular side runners.
The working method of rotation type torsion impact generating device are as follows:
Drilling fluid enters water conservancy diversion desanding component from crossover sub and carries out preliminary desanding shunting, and the drilling fluid after shunting is through the
Primary vortex stator, which enters in vortex rotor, pushes vortex rotor rotation；
Vortex rotor drives transmission shaft rotation, and double tup hammer bodies rotate with transmission shaft, double tup hammer bodies and annular anvil
When projection contacts, impact, i.e. ballistic motion stage are generated to annular anvil；
Double tup hammer bodies push annular anvil to outside to continue to rotate simultaneously, when double tup hammer bodies move to and ring
Annular anvil is resetted so as to Secondary Shocks, i.e. resetting movement stage again when shape anvil block is contacted again；
The high frequency twisting that double tup hammer body periodic shock annular anvils generate impacts located set and is transferred to drill sleeve
Twisting impact is transferred to drill bit with auxiliary rock by cylinder, drill holder.
Compared with prior art, the beneficial effects of the present invention are:
(1) water conservancy diversion desanding component of the invention can carry out preliminary shunting desanding to drilling fluid, and reduction flows through turbine motor
The mud solid phase particle content of Power Component reduces erosion of the solid phase particles to device inner body, extends and use the longevity
Life, while guaranteeing reasonable diffluence, improve energy utilization efficiency；
(2) turbine motor Power Component of the invention includes the turbine stator being alternately arranged, turbine rotor, can be guaranteed
The high-efficiency operation of device；And turbo blade molded line is optimized using quintic algebra curve method, ensure turbine motor have compared with
Good working performance, further promotes energy utilization efficiency；
(3) impact assembly of the invention can provide biggish instantaneous twisting impact force for drilling well, and it is broken to promote PDC drill bit
Rock ability；Impact assembly includes double tup hammer bodies, improves device single-impact power, improves the stationarity of tool, reduces work
The unstable vibration generated during work to drilling rod, substantially reduces device to normal drilling operability while improving stability
Adverse effect.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, the application's
Illustrative embodiments and their description are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is schematic diagram of internal structure of the invention；
Fig. 2 is external structure schematic diagram of the invention；
Fig. 3 is the A-A view of Fig. 1 of the present invention；
Fig. 4 is the B-B view of Fig. 1 of the present invention；
Fig. 5 is crossover sub structural schematic diagram of the invention；
Fig. 6 is water conservancy diversion desanding component structure diagram of the invention；
Fig. 7 is turbine cascade structural schematic diagram of the invention；
Fig. 8 is impact assembly structural schematic diagram of the invention；
Fig. 9-Figure 10 is double tup hammer body structure schematic diagrames of the invention；
Figure 11-Figure 13 is annular anvil structural schematic diagram of the invention；
Figure 14-Figure 15 is locating sleeve structure schematic diagram of the invention；
Figure 16 is schematic diagram of housing structure of the invention；
Figure 17 is drill holder structural schematic diagram of the invention；
Figure 18 is impact assembly motion process schematic diagram of the invention；
Figure 19 is that turbo blade molded line of the invention optimizes figure；
Wherein, 1- crossover sub, 2- water conservancy diversion desanding component, 3- shell, 4- turbine stator, 5- turbine rotor, 6- transmission
Axis, 7- position bearing, the bis- tup hammer bodies of 8-, 9- annular anvil, 10- positioning sleeve, 11- positioning pin, 12- drill holder, between 13-
Gap, the first cylindrical section of 14-, the second cylindrical section of 15-, the rectangular side runner of 16-, 17- tup, 18- location hole, 19- protrusion, 20- are fixed
Position slot.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless
Otherwise indicated, all technical and scientific terms used herein has and the application person of an ordinary skill in the technical field
Normally understood identical meanings.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular shape
Formula be also intended to include plural form, additionally, it should be understood that, when in the present specification use term "comprising" and/or
When " comprising ", existing characteristics, step, operation, device, component and/or their combination are indicated.
As background technique is introduced, exist in the prior art frequency of impact is lower, impact force is smaller, structure is complicated,
The more deficiency of vulnerable part, in order to solve technical problem as above, present applicant proposes a kind of rotation type torsion impacts to fill
It sets and its working method.
In a kind of typical embodiment of the application, as shown in Fig. 1-Figure 19, a kind of rotation type torsion impact is provided
Generating device includes shell 3, crossover sub 1, water conservancy diversion desanding component 2, transmission shaft 6, turbine motor Power Component, impact assembly
With drill holder 12.
3 one end of shell is threadedly coupled with crossover sub 1, and 3 other end of shell is connect with drill holder 12 by spline；By
It is to connect drill bit and the torsion impact that impact assembly generates is passed into drill bit, impact group in the main effect of drill holder 12
The torsion that part generates rushes that energy is most valuable, and drill holder 12 should go down energy transmissions more as far as possible, therefore fully consider brill
Influence of the structure of headgear cylinder 12 to energy transfer efficiency reduces energy loss under the premise of proof strength.
Clearance fit is formed by spline between the application drill holder 12 and shell 3, it is reserved enough for drill holder 12
Torsion impact space, to reduce energy loss.
In some embodiments, 12 end of drill holder is set there are four spline, and keyway is 52 °, and shell 3 is therewith
The spline matched is 38 °, forms 14 ° of gap 13.
The transmission shaft 6 passes through the positioning bearing 7 being set to inside shell 3, sets between 6 one end of transmission shaft and crossover sub 1
There is water conservancy diversion coarse sand component 2.
The water conservancy diversion coarse sand component 2 is shunted for preliminary desanding, and the drilling fluid that reduction flows through turbine motor Power Component is solid
Phase particle content reduces erosion of the solid phase particles to device inner body, prolongs the service life, while guaranteeing reasonable diffluence,
Improve energy utilization efficiency.
The water conservancy diversion coarse sand component 2 is the water conservancy diversion chimney filter that side opens up multiple rectangular side runners 16, as shown in Figure 6；Water conservancy diversion
Coarse sand component 2 includes the first cylindrical section 14 and the second cylindrical section 15 of internal connection, wherein the second cylindrical section 15 is sheathed on the
One cylindrical section, 14 one end, and the outer diameter of the second cylindrical section 15 is greater than 14 outer diameter of the first cylindrical section.
First cylindrical section, 14 side opens up multiple rectangular side runners 16, circulates for drilling fluid；Second cylindrical section, 14 surface
Offer the arced flow path of perforation.
In some embodiments, 2 side of water conservancy diversion coarse sand component opens up eight rectangular side runners 16.
The turbine motor Power Component includes multistage turbine stator 4 and turbine rotor 5, and turbine stator 4, turbine turn
Son 5 is alternately arranged, and the turbine rotor 5 is installed on 6 outer circumferential of transmission shaft, and the turbine stator 4 is fixed on the inside of shell 3.
In some embodiments, the turbine motor Power Component provides power using three-stage turbine.
Optimization is designed to turbo blade molded line using quintic algebra curve method, as shown in Fig. 7 and Figure 19, Neng Goubao
Hindering turbine motor Power Component has preferable working performance, further promotes energy utilization efficiency.
Its different working performance of turbo blade molded line curve has larger difference, therefore reasonable turbine cascade design can
To significantly improve torsion impact tool work performance, the moulding of vane type line, leaf are studied from vane type line and geometrical relationship
The selection principle of piece molded line first is that vane type line should have continuous curvature.
Quintic algebra curve, can be very in conjunction with CAD as blade pressure surface and suction surface curved dies formula
Good completion blade shape construction, can check the specific design conditions of turbine vane type using numerical simulation.
Polynomial fitting curve (polynomial fitting curve) is exactly suitable according to the selection of data with existing point
Function is fitted it, and the relationship between data is expressed by means of the curvilinear equation of fitting.Vane foil section constitution mainly has
Two kinds of data types: it is more and more extensive to describe blade profile section using discrete point for circular arc straight-line data and discrete points data.
The application is by means of formFunction multinomial to blade profile cross section curve carry out
Fitting and description, there are following advantages:
(1) because higher order polynomial form is relatively easy, change coefficient value relevant to shape in higher order polynomial, it can
Shape different curves abundant are defined to obtain, there is good scalability and automatically generate ability；
(2) because higher order polynomial high order can be micro-, line smoothing is continuous, can improve the flow velocity on blade profile surface
Distribution reduces friction loss；
(3) higher order polynomial all-order derivative value meaning is clear, and the adjustment of molded line is flexible and efficient and calculates simple；Using n=
The multinomial of 5-7 is to meet curvature variation for turbodrill blade.
In view of computational short cut as far as possible in design process, constructed using the molded line that quintic algebra curve carries out blade,
With circular sliding slopes at front and rear edges, there is Second Order Continuous derivative at tie point, therefore extra inflection point is not present in gained vane type line, it is full
Sufficient design requirement.
If the pressure face y of bladepWith suction surface ysCurved dies are respectively as follows:
yp=a0+a1x+a2x2+a3x3+a4x4+a5x5 (1)
ys=b0+b1x+b2x2+b3x3+b4x4+b5x5 (2)
If pressure areal coordinate: first point of (xp1, yp1), last point (xpn, ypn)；
Suction areal coordinate: first point of (xs1, ys1), last point (xsn, ysn)；
Seek the first derivative y ' of coordinatep1、y′pn、y′s1、y′snWith second dervative y "p1、y″pn、y″s1、y″sn
By the above parameter substitution formula (1) and formula (2), is solved by MATLAB software, determine blade pressure surface and suction
Face curved dies.
Then the blade profile generated according to curved dies, drawing configuration go out blade.
Finally obtained cascade parameter are as follows:
Then internal main flow field is analyzed by ANSYS software, passes through the velocity field and pressure cloud of turbo blade
Figure analyzes, it was demonstrated that and the design of turbo blade is reasonable, and the turbine cascade finally arranged can make full use of drilling well liquid energy,
Meet design requirement.
The impact assembly is installed on 6 outer circumferential of transmission shaft, and installs close to 12 one end of drill holder, including impact
Hammer body, anvil block, positioning pin 11 and positioning sleeve 10, the impact hammer are installed on 6 side of transmission shaft, and the week of impact hammer is outward
Side is equipped with anvil block, and anvil block is connected by positioning pin 11 with positioning sleeve 10.
The impact hammer is double tup hammer bodies 8, and double 8 structures of tup hammer body are as shown in Fig. 9-Figure 10, including hammer body and two
A tup 17, two tups 17 are distributed in hammer body two sides, and two tups 17 are arranged along the axially spaced-apart certain distance of hammer body.
The design of double tup hammer bodies 8 improves single-impact power, improves the stationarity of tool, reduces in the course of work
To the unstable vibration that drilling rod generates, the adverse effect to normal drilling operability is substantially reduced while improving stability.
The anvil block is annular anvil 9, has the protrusion 19 for bearing tup shock on the inside of annular anvil 9.
9 outside both ends of annular anvil are respectively equipped with location hole 18 and locating slot 20, and 10 inside two sides of positioning sleeve are equipped with positioning
Positioning pin 11 is set in hole, the location hole 18 of 9 side of annular anvil and the location hole of positioning sleeve corresponding position, and annular anvil 9 is another
Positioning pin 11 is equally set in the locating slot 20 of side and the location hole of positioning sleeve corresponding position, passes through 11 confinement ring of positioning pin
Shape anvil block 9 moves.
The course of work of the application torsion impact generating device is as follows:
When work, drilling fluid flow through crossover sub 1 enter water conservancy diversion desanding component 2, water conservancy diversion desanding component 2 to drilling fluid into
The preliminary desanding of row shunts.
Drilling fluid after shunting desanding enters in turbine rotor 5 after entering first order turbine stator 4, and drilling fluid pushes
Turbine rotor 5 rotates, and turbine rotor 5 drives transmission shaft 6 to rotate, and rotation axis 6 transfers its energy to double tup hammer bodies 8, double tups
Hammer body 8 is with 6 quick rotation of transmission shaft, when double tup hammer bodies 8 and the projection contacts of upper and lower two annular anvils 9, to annular anvil
Seat 9 generates impact, i.e. ballistic motion stage.
Double tup hammer bodies 8 push annular anvil 9 to outside to continue to rotate, when double tup hammer bodies 8 move to separately simultaneously
Side and annular anvil 9 can reset annular anvil 9 when being contacted again so as to Secondary Shocks, i.e. resetting movement stage again.
For double tup hammer bodies 8 periodically impact annular anvil 9 to generate high frequency twisting impact, annular anvil 9 passes through positioning
Pin 11 constrains in 10 inside of positioning sleeve, the twisting impact transmitting that positioning pin 11 generates double tup hammer bodies 8 impact annular anvil 9
To positioning sleeve 10, and positioning sleeve 10 is connected with drill holder 12, and positioning sleeve 10 continues twisting impact to be transferred to drill holder
12, twisting impact is passed to drill bit with auxiliary rock by drill holder 12.
The application task performance is good, ability utilization efficiency is high, long service life, provides strong branch for PDC efficient rock-breaking
Drilling cost can be significantly reduced in support, the use of the technology.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any
Modification, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of rotation type torsion impact generating device characterized by comprising
Water conservancy diversion desanding component, for tentatively shunting desanding；
Turbine motor Power Component provides rotary power for rotation axis；
Impact assembly is installed on transmission shaft end, including can with transmission shaft rotate impact hammer, with the impact hammer phase
The anvil block of cooperation；Impact hammer generates high frequency twisting impact by periodically impact anvil block.
2. a kind of rotation type torsion impact generating device according to claim 1, which is characterized in that it is fixed that the anvil block passes through
Position set is connected with drill holder, and positioning sleeve is used to twisting impact being transferred to drill holder with auxiliary rock.
3. a kind of rotation type torsion impact generating device according to claim 1, which is characterized in that the impact hammer is
Double tup hammer bodies, hammer body are symmetrically distributed in transmission shaft two sides；Anvil block is installed on the outside of hammer body.
4. a kind of rotation type torsion impact generating device according to claim 3, which is characterized in that the anvil block is annular
Anvil block, annular anvil inside have the protrusion for bearing tup shock.
5. a kind of rotation type torsion impact generating device according to claim 4, which is characterized in that the annular anvil is logical
Positioning pin is crossed to be connected with positioning sleeve；
Both ends are respectively equipped with location hole and locating slot on the outside of annular anvil, and two sides are equipped with location hole inside positioning sleeve, pass through positioning
Pin constraint annular anvil movement.
6. a kind of rotation type torsion impact generating device according to claim 1, which is characterized in that the turbine motor is dynamic
Power component includes multistage turbine stator and turbine rotor, and turbine stator, turbine rotor are alternately arranged, the turbine rotor installation
In transmission shaft outer circumferential.
7. a kind of rotation type torsion impact generating device according to claim 1, which is characterized in that the transmission shaft passes through
Positioning bearing is installed on enclosure interior, and shell one end is threadedly coupled with crossover sub, and the shell other end installs drill holder；
The water conservancy diversion desanding component is set on the inside of crossover sub and one end is contacted with transmission shaft.
8. a kind of rotation type torsion impact generating device according to claim 7, which is characterized in that the drill holder is logical
It crosses spline to be connected with shell, the case inside is equipped with the keyway with spline fitted, and the spline and keyway form set angle
Gap.
9. a kind of rotation type torsion impact generating device according to claim 1, which is characterized in that the water conservancy diversion desanding group
Part is the water conservancy diversion chimney filter that side opens up multiple rectangular side runners.
10. a kind of working method of -9 any rotation type torsion impact generating devices, feature exist according to claim 1
In drilling fluid enters water conservancy diversion desanding component from crossover sub and carries out preliminary desanding shunting, and the drilling fluid after shunting is through first order whirlpool
Stream stator, which enters in vortex rotor, pushes vortex rotor rotation；
Vortex rotor drives transmission shaft rotation, and double tup hammer bodies are rotated with transmission shaft, the protrusion of double tup hammer bodies and annular anvil
When contact, impact, i.e. ballistic motion stage are generated to annular anvil；
Double tup hammer bodies push annular anvil to outside to continue to rotate simultaneously, when double tup hammer bodies move to and annular anvil
Annular anvil is resetted so as to Secondary Shocks, i.e. resetting movement stage again when being contacted again；
The high frequency twisting that double tup hammer body periodic shock annular anvils generate impacts located set and is transferred to drill holder, drill bit
Twisting impact is transferred to drill bit with auxiliary rock by sleeve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391243.7A CN109555471B (en) | 2018-11-21 | 2018-11-21 | Rotary impact type torsion impact generating device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391243.7A CN109555471B (en) | 2018-11-21 | 2018-11-21 | Rotary impact type torsion impact generating device and working method thereof |
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| Publication Number | Publication Date |
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| CN109555471A true CN109555471A (en) | 2019-04-02 |
| CN109555471B CN109555471B (en) | 2020-10-27 |
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| CN201811391243.7A Expired - Fee Related CN109555471B (en) | 2018-11-21 | 2018-11-21 | Rotary impact type torsion impact generating device and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236116A (en) * | 2021-06-23 | 2021-08-10 | 重庆科技学院 | Composite impact drilling speed-increasing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113236116A (en) * | 2021-06-23 | 2021-08-10 | 重庆科技学院 | Composite impact drilling speed-increasing device |
| CN113236116B (en) * | 2021-06-23 | 2023-10-27 | 重庆科技学院 | Composite impact drilling speed increasing device |
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