CN109826558A - Hydraulic high-frequency percussion rock crushing tool - Google Patents
Hydraulic high-frequency percussion rock crushing tool Download PDFInfo
- Publication number
- CN109826558A CN109826558A CN201910265084.4A CN201910265084A CN109826558A CN 109826558 A CN109826558 A CN 109826558A CN 201910265084 A CN201910265084 A CN 201910265084A CN 109826558 A CN109826558 A CN 109826558A
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- transmission shaft
- cavity
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- mud
- shell
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- 239000011435 rock Substances 0.000 title claims abstract description 27
- 238000009527 percussion Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 105
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000007373 indentation Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Abstract
The present invention discloses hydraulic high-frequency percussion rock crushing tool, including shell, turbine, bearing, transmission shaft, piston, spring and nozzle, upper cavity is formed between transmission shaft and the inner wall of shell, epicoele, cavity of resorption and lower cavity out, transmission shaft outer wall is provided with mud entrance, upper inlet, lower outlet, lower inlet and leakage fluid dram, mud is connected to by upper inlet with epicoele, it is connected to by lower outlet with cavity of resorption, it is flow to down in cavity out by lower inlet and leakage fluid dram, to complete the flowing of mud, during mud flowing, transmission shaft rotation, it intermittently makes piston and spring, and reciprocal compression generates motive force or restores deformation and generates motive force back and forth, to which the tool carries out rock fracture in dynamic indentation with higher frequency；The tool enables to mud runner smoothly unobstructed, and tool is impacted by internal pressure reinforces rock breaking efficiency and efficiency, flows smoothly driving rotation using mud, generates the impact effect of high frequency, efficiently solve the deficiencies of part is easy to damage, and mud easily blocks problem.
Description
Technical field
The present invention relates to drilling wells and breaking technique for rock field, in particular to hydraulic high-frequency percussion rock crushing tool.
Background technique
As oil field is continually developed, drilling well difficulty, speed, depth are continuously increased, and when brill encounters hard formation, drill bit is easily
There is stick-slip phenomenon, cause Cutter premature breakdown, influence rate of penetration, discovery stick-slip phenomenon is developed by science and is occurred
The reason of be due to the unevenness of stratum, caused by torque can not be exported steadily.To solve the stick-slip that drill bit occurs in drilling
Phenomenon can make drill bit export steady torque, can cut stratum to continued smooth to drill bit with applying high frequency axial impact force,
To improve bit speed customer service stick-slip phenomenon.There are all more or less more stick-slip phenomenons of many tools to have the function of change both at home and abroad
Can, but these tools, mostly all intolerant to slurry erosion, vulnerable part is more, and structure is complicated, and mud runner is narrow, is easily blocked by silt,
The present invention overcomes these disadvantages, and impact force is strong, and frequency is high, and mechanism is simple, efficiently solves that part is easy to damage, and mud easily blocks
It is insufficient.
Summary of the invention
The purpose of the present invention is to provide hydraulic high-frequency percussion rock crushing tools, enable to mud runner smoothly unobstructed,
Tool is impacted by internal pressure reinforces rock breaking efficiency and efficiency, flows smoothly driving rotation using mud, generates rushing for high frequency
Effect is hit, the deficiencies of part is easy to damage, and mud easily blocks problem is efficiently solved.
The embodiment of the present invention is achieved in that
Hydraulic high-frequency percussion rock crushing tool comprising shell, turbine, bearing, transmission shaft, piston, spring and nozzle, transmission
Axis is connected on the inner wall of the housing by bearing, and transmission shaft is located in shell and entrance of the first end of transmission shaft towards shell, transmission
The second end of axis extends shell docking drill bit, and the first end of transmission shaft is equipped with upper cavity and second end is equipped with lower cavity out, passes
Moving axis is provided centrally with centre bore, and centre bore and lower cavity out are located at the two sides of nozzle, and turbine connects the one of transmission shaft
The other end at end, transmission shaft installs nozzle, has the workspace of installation piston and spring between the middle part and shell of transmission shaft；It is living
Plug is located at workspace and epicoele and cavity of resorption is divided into work, and spring is set to cavity of resorption and connection piston, one end setting of cavity of resorption
There is a lower outlet towards transmission shaft outer wall, transmission shaft is provided with upper inlet, the lower inlet being circumferentially spaced apart from each other along outer wall and liquid out
Mouthful；By rotating drive shaft, epicoele is connected to by upper inlet with centre bore always, and lower inlet compartment of terrain connects cavity of resorption by lower outlet
Centre bore is passed to, liquid outlet compartment of terrain is connected to lower inlet to lower cavity out.
In preferred embodiments of the present invention, above by transmission shaft rotation cause upper cavity pressure intermittent be greater than cavity of resorption
Pressure so that piston reciprocating type movement and pressure is transferred to by impact transmission shaft, transmission shaft at intervals by the impact of piston
Drill bit.
In preferred embodiments of the present invention, above-mentioned transmission shaft rotation, so that the pressure that upper intracavitary pressure is intracavitary under being greater than
Power, under intracavitary pressure be equal to it is lower go out the intracorporal pressure of chamber, piston downlink impact transmission shaft under the action of pressure difference；Or make
Upper intracavitary pressure is equal to central hole pressure intracavitary under and is greater than the lower intracorporal pressure of chamber out, effect of the piston in spring
Lower uplink restores position.
In preferred embodiments of the present invention, above-mentioned workspace is circumferentially equally spaced provided with multiple along inner walls
Cavity of resorption and lower outlet, transmission shaft have been positioned apart from multiple lower inlets and leakage fluid dram along outer wall is circumferentially equidistant, and transmission shaft turns to
When circulation status, outlet and centre bore under lower inlet connection, while leakage fluid dram is connected to lower outlet and goes out cavity down.
In preferred embodiments of the present invention, above-mentioned cavity of resorption and lower outlet are respectively set at least six being equally spaced, under
Entrance and leakage fluid dram are respectively set at least three being equally spaced；Transmission shaft often rotates a circle, reciprocating motion of the pistons impact transmission
Axis at least 3 times.
In preferred embodiments of the present invention, when above-mentioned transmission shaft rotates, under intracavitary pressure be equal to the pressure of centre bore
With it is lower go out the intracorporal pressure of chamber, or under intracavitary pressure be greater than it is lower go out the intracorporal pressure of chamber.
In preferred embodiments of the present invention, above-mentioned shell is provided with interface and lower interface, and transmission shaft is provided with mud
Entrance, upper interface are the arrival end of mud, and mud is entered in shell by upper interface, then are entered through upper cavity by mud entrance
Centre bore finally enters lower interface from leakage fluid dram.
In preferred embodiments of the present invention, above-mentioned turbine includes turbine rotor and turbine stator, and turbine rotor connection passes
The first end of moving axis, turbine stator are installed on the inner wall of shell.
In preferred embodiments of the present invention, above-mentioned bearing includes first bearing and second bearing, and first bearing is installed on
Between the outside of transmission shaft and the inner wall of shell, for first bearing between turbine and workspace, second bearing is set to transmission
On the outside of transmission shaft at axis and nozzle between inner walls.
In preferred embodiments of the present invention, above-mentioned centre bore and lower cavity out are shut off by nozzle, the pressure of central hole
Power is greater than the lower intracorporal pressure of chamber out.
The beneficial effects of the present invention are:
The present invention is arranged upper inlet by the outer wall in transmission shaft and is connected to epicoele, by between the outer wall circumferential direction of transmission shaft
Every ground, setting lower inlet is connected to cavity of resorption, is connected to down cavity by leakage fluid dram, using the mutual cooperation of piston and spring, when
Upper cavity pressure is greater than cavity of resorption, and piston compresses lower cavity space and impact transmission shaft, and when upper cavity pressure is equal to lower cavity pressure, piston is in bullet
Restore under the action of spring to original state, pressure reciprocal alternating variation back and forth, transmission shaft forms high frequency by multiple workspaces
Work structuring；The tool construction is simple, enables to mud runner smoothly unobstructed, and tool is reinforced broken by internal pressure impact
Rock effect and efficiency flow smoothly driving rotation using mud, generate the impact effect of high frequency.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range.
Fig. 1 is the schematic cross-section of the hydraulic high-frequency percussion rock crushing tool of the present invention；
Fig. 2 is the Section A-A schematic diagram of the hydraulic high-frequency percussion rock crushing tool of the present invention；
Icon: the upper interface of 1-；2- turbine；3- shell；4- upper cavity；5- mud entrance；6- first bearing；7- transmission shaft；
8- piston；9- upper inlet；10- epicoele；11- spring；12- cavity of resorption；It is exported under 13-；14- lower inlet；15- leakage fluid dram；16- second
Bearing；17- centre bore；18- nozzle；Go out cavity under 19-；20- lower interface.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
First embodiment
Fig. 1 is please referred to, the present embodiment provides hydraulic high-frequency percussion rock crushing tools comprising shell 3, turbine 2, bearing, biography
Moving axis 7, piston 8, spring 11 and nozzle 18, upper interface 1 are set to one end of shell 3, and lower interface 20 is located at the another of shell 3
End, the interior space with installation transmission shaft 7 of shell 3, bearing includes first bearing 6 and second bearing, and turbine 2 connects transmission shaft 7,
Transmission shaft 7 is limited and is stabilized respectively by first bearing 6 and second bearing, and piston 8 and spring 11 pass through the rotation driving of transmission shaft 7
Tool carries out broken rock, and nozzle 18 is set to one end of centre bore 17, formed between transmission shaft 7 and the inner wall of shell 3 upper cavity 4,
Epicoele 10, cavity of resorption 12 and lower cavity 19,7 outer wall of transmission shaft out are provided with mud entrance 5, upper inlet 9, lower outlet 13, lower inlet
14 and leakage fluid dram 15, mud enters in shell 3 from upper interface 1, then enters upper cavity 4 via turbine 2, is entered by mud entrance 5
In centre bore 17, mud is connected to by upper inlet 9 with epicoele 10, is connected to by lower outlet 13 with cavity of resorption 12, is passed through lower inlet 14
It is flow to down in cavity 19 out with leakage fluid dram 15, to complete the flowing of mud, during mud flowing, transmission shaft 7 is rotated, therebetween
Making to having a rest property piston 8 and spring 11, reciprocal compression generates motive force or restores deformation and generates motive force back and forth, thus the work
Tool carries out rock fracture in dynamic indentation with higher frequency.
Turbine 2 includes 2 stator of 2 rotor of turbine and turbine, and 2 stator of turbine is fixedly connected on the inner wall of shell 3, and 2 turns of turbine
Son one end be fixedly connected with the first end of transmission shaft 7 it is integrated, turbine 2 connection transmission shaft 7 one end, transmission shaft 7 it is another
End installation nozzle 18, the impact of mud is so that transmission shaft 7 constantly rotates in shell 3；Bearing includes first bearing 6 and second
Bearing, first bearing 6 are installed between the outside of transmission shaft 7 and the inner wall of shell 3, and first bearing 6 is located at turbine 2 and workspace
Between, second bearing is set to 7 outside of transmission shaft at transmission shaft 7 and nozzle 18 and between 3 inner wall of shell, outside second bearing
Ring is connected to the inner wall of shell 3, and the inner ring and transmission shaft 7 of second bearing are fixed, and transmission shaft 7 is connected to shell by first bearing 6
3 inner wall of body, second bearing are located at nozzle 18, and the outer ring of second bearing is fixedly connected with 3 inner wall of shell, the inner ring of second bearing
The outer wall being fixedly connected at the lower cavity 19 out of transmission shaft 7, transmission shaft 7 is located in shell 3 and the first end direction of transmission shaft 7
The upstream end of the mud of shell 3, the second end of transmission shaft 7 extend shell 3 and dock drill bit, and the first end of transmission shaft 7 is equipped with upper
Cavity 4 and second end are equipped with lower cavity 19 out, and for upper cavity 4 between turbine 2 and first bearing 6,12 body of cavity of resorption is located at nozzle
18 outside, the inside of nozzle 18 are center hole 17, and transmission shaft 7 is provided centrally with centre bore 17, centre bore 17 and lower chamber out
Body 19 is located at the two sides of nozzle 18, has the work of installation piston 8 and spring 11 between the middle part and shell 3 of transmission shaft 7
Area；Piston 8 is located at workspace and epicoele 10 and cavity of resorption 12 is divided into work, and spring 11 is set to cavity of resorption 12 and connection piston 8,
One end of cavity of resorption 12 is provided with the lower outlet 13 towards 7 outer wall of transmission shaft, and transmission shaft 7 is provided with upper inlet 9, along outer wall circumferential direction phase
The lower inlet 14 and liquid outlet being mutually spaced；By rotating drive shaft 7, epicoele 10 is connected to by upper inlet 9 with centre bore 17 always, under
Cavity of resorption 12 is connected to centre bore 17 by lower outlet 13 by 14 compartment of terrain of entrance, liquid outlet compartment of terrain be connected to lower inlet 14 to it is lower go out
Cavity 19.
Referring to figure 2., workspace is circumferentially equally spaced provided with multiple cavity of resorptions 12 and lower outlet along 3 inner wall of shell
13, transmission shaft 7 has been positioned apart from multiple lower inlets 14 and leakage fluid dram 15 along outer wall is circumferentially equidistant, and transmission shaft 7 turns to circulation
When state, outlet 13 and centre bore 17 under the connection of lower inlet 14, while the lower outlet 13 of the connection of leakage fluid dram 15 and lower cavity 19 out, under
Chamber 12 and lower outlet 13 are respectively set to be equally spaced 6, and lower inlet 14 and leakage fluid dram 15 are respectively set to equidistantly distinguish 3
A, cavity of resorption 12 and lower outlet 13 inner walls that are distributed in shell 3 equidistant in interval, lower inlet 14 and leakage fluid dram 15 are at equal intervals etc.
Away from the outer wall for being distributed in transmission shaft 7, transmission shaft 7 rotate so that 14 compartment of terrain of lower inlet by it is lower outlet 13 and centre bore 17 connect
It is logical, so that leakage fluid dram 15 is connected to by 14 compartment of terrain of lower inlet with centre bore 17；Shell 3 is provided with interface 1 and lower interface 20, passes
Moving axis 7 is provided with mud entrance 5, and upper interface 1 is the arrival end of mud, and mud is entered in shell 3 by upper interface 1, then through upper
Cavity 4 enters centre bore 17 by mud entrance 5, finally enters lower interface 20 from leakage fluid dram 15；.
When transmission shaft 7 rotates, the pressure in cavity of resorption 12 is equal to the pressure in the pressure and lower cavity 19 out of centre bore 17, or
Pressure in cavity of resorption 12 is greater than the pressure in lower cavity 19 out；Cause the big of 10 pressure intervals of epicoele by the rotation of transmission shaft 7
In 12 pressure of cavity of resorption so that 8 reciprocating of piston and impact transmission shaft 7, transmission shaft 7 by the impact of piston 8 at intervals
Pressure is transferred to drill bit；Transmission shaft 7 rotates, so that the pressure in epicoele 10 is greater than the pressure in cavity of resorption 12, in cavity of resorption 12
Pressure is equal to the pressure in lower cavity 19 out, the downlink impact transmission shaft 7 under the action of pressure difference of piston 8；Or make epicoele 10
Interior pressure be equal to centre bore 17 at and the pressure in cavity of resorption 12 and be greater than it is lower go out cavity 19 in pressure, piston 8 is in spring 11
Under the action of uplink restore position.
The working principle of present example are as follows:
2 rotor of turbine is connected to mud entrance 5, and 2 stator of turbine is connect with shell 3, and upper interface 1 is connected to by turbine 2
Mud entrance 5 pushes transmission shaft 7 to rotate by turbine 2, and transmission shaft 7 is supported in shell 3 by first bearing 6, and mud connects from above
Centre bore 17, the middle mud pressure in centre bore 17 under the action of nozzle 18 shuts off are entered by mud entrance 5 after mouth 1 to upper cavity 4
Power is greater than the pressure in lower cavity 19 out, and upper inlet 9, lower inlet 14 are communicated with centre bore 17, and pressure is identical, and transmission shaft 7 is revolving
During turning, lower inlet 14 and leakage fluid dram 15 are connected to lower outlet 13 respectively, and the pressure in cavity of resorption 12 is made to be respectively equal to centre bore
The pressure in pressure and lower cavity 19 out in 17, when the pressure of outlet 13 is equal to the lower pressure of cavity 19 out instantly, epicoele 10
Interior pressure is greater than the pressure of lower outlet 13, and piston 8 pushes downlink under the action of pressure difference and impact transmission shaft 7, drill bit are direct
It is connect with lower interface 20, impact force is transmitted on drill bit by transmission shaft 7, and the pressure of outlet 13 is equal in centre bore 17 instantly
When pressure, the pressure in epicoele 10 is equal to the pressure of lower outlet 13, and piston 8 is pushed by spring 11, returns to original position, and transmission shaft 7 revolves
Turn to hit 3 times with piston 8 for 1 week.
It is connected in conclusion upper inlet is arranged by the outer wall in transmission shaft in the present invention with epicoele, by transmission shaft
The arranged circumferentially spaced lower inlet of outer wall is connected to cavity of resorption, is connected to down cavity out by leakage fluid dram, is utilized piston and spring
It cooperates, when upper cavity pressure is greater than cavity of resorption, piston compresses lower cavity space and impact transmission shaft, when upper cavity pressure is equal to cavity of resorption pressure
Power, piston restore under the action of the spring to original state, and pressure reciprocal alternating variation back and forth, transmission shaft passes through multiple work
The work structuring of area's formation high frequency；The tool construction is simple, enables to mud runner smoothly unobstructed, tool passes through internal pressure
Rock breaking efficiency and efficiency are reinforced in impact, flow smoothly driving rotation using mud, generate the impact effect of high frequency.
Present specification describes the example of the embodiment of the present invention, it is not meant to that these embodiments illustrate and describe this
All possible forms of invention.Those of ordinary skill in the art will understand that the embodiments described herein is to help
Reader understands the principle of the present invention, it should be understood that protection scope of the present invention is not limited to such special statement and implementation
Example.Those skilled in the art can according to the present invention disclosed the technical disclosures make it is various do not depart from it is of the invention real
Various other specific variations and combinations of matter, these variations and combinations are still within the scope of the present invention.
Claims (10)
1. hydraulic high-frequency percussion rock crushing tool, which is characterized in that including shell, turbine, bearing, transmission shaft, piston, spring and spray
Mouth, the transmission shaft are connected on the inner wall of the housing by bearing, and the transmission shaft is located in shell and the first end direction of transmission shaft
The entrance of shell, the second end of the transmission shaft extend shell docking drill bit, and the first end of the transmission shaft is equipped with upper cavity
And second end is equipped with lower cavity out, the transmission shaft is provided centrally with centre bore, and centre bore and lower cavity out are located at spray
The two sides of mouth, one end of the turbine connection transmission shaft, the other end of the transmission shaft install nozzle, the middle part of the transmission shaft
There is the workspace of installation piston and spring between shell；The piston is located at workspace and work is divided into epicoele under
Chamber, spring are set to cavity of resorption and connection piston, and one end of cavity of resorption is provided with the lower outlet towards transmission shaft outer wall, the transmission shaft
The lower inlet and liquid outlet for being provided with upper inlet, being circumferentially spaced apart from each other along outer wall；By rotating drive shaft, upper inlet always will be upper
Chamber is connected to centre bore, and by cavity of resorption by lower outlet to centre bore, liquid outlet compartment of terrain is connected to tripping in for lower inlet compartment of terrain
Mouthful to it is lower go out cavity.
2. hydraulic high-frequency percussion rock crushing tool according to claim 1, which is characterized in that drawn by transmission shaft rotation
Rise upper cavity pressure intermittent be greater than lower cavity pressure so that piston reciprocating type movement and impact transmission shaft, the transmission shaft pass through
Pressure is transferred to drill bit at intervals by the impact of piston.
3. hydraulic high-frequency percussion rock crushing tool according to claim 2, which is characterized in that the transmission shaft rotation, so that
Upper intracavitary pressure pressure intracavitary under being greater than, under intracavitary pressure be equal to it is lower go out the intracorporal pressure of chamber, piston is in pressure difference
Act on lower downlink impact transmission shaft；Or makes intracavitary pressure be equal to central hole pressure intracavitary under and be greater than lower chamber out
Intracorporal pressure, uplink restores position to piston under the action of the spring.
4. hydraulic high-frequency percussion rock crushing tool according to claim 3, which is characterized in that the workspace is along inner walls
Circumferentially equally spaced be provided with multiple cavity of resorptions and lower outlet, the transmission shaft along outer wall it is circumferentially equidistant be positioned apart from it is more
A lower inlet and leakage fluid dram, when the transmission shaft turns to circulation status, the lower outlet of lower inlet connection and centre bore, while drain
The lower outlet of mouth connection and lower cavity out.
5. hydraulic high-frequency percussion rock crushing tool according to claim 4, which is characterized in that the cavity of resorption and lower outlet difference
It is set as at least six being equally spaced, the running mouth and leakage fluid dram are respectively set at least three being equally spaced；The biography
Moving axis often rotates a circle, and reciprocating motion of the pistons impact transmission shaft at least 3 times.
6. hydraulic high-frequency percussion rock crushing tool according to claim 4, which is characterized in that when the transmission shaft rotates, institute
State down intracavitary pressure equal to the pressure of centre bore and it is lower go out the intracorporal pressure of chamber or it is described under intracavitary pressure be greater than it is lower go out chamber
Intracorporal pressure.
7. hydraulic high-frequency percussion rock crushing tool according to claim 1, which is characterized in that the shell is provided with interface
And lower interface, the transmission shaft are provided with mud entrance, the upper interface is the arrival end of mud, and mud is entered by upper interface
In shell, then through upper cavity centre bore is entered by mud entrance, finally enters lower interface from leakage fluid dram.
8. hydraulic high-frequency percussion rock crushing tool according to claim 1, which is characterized in that the turbine includes turbine rotor
And turbine stator, the first end of the turbine rotor connection transmission shaft, the turbine stator are installed on the inner wall of shell.
9. hydraulic high-frequency percussion rock crushing tool according to claim 1, which is characterized in that the bearing includes first bearing
And second bearing, the first bearing are installed between the outside of transmission shaft and the inner wall of shell, the first bearing is located at whirlpool
Between wheel and workspace, the second bearing is set on the outside of the transmission shaft at transmission shaft and nozzle between inner walls.
10. hydraulic high-frequency percussion rock crushing tool according to claim 3, which is characterized in that the centre bore and lower chamber out
Body is shut off by nozzle, and the pressure of the central hole is greater than the lower intracorporal pressure of chamber out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265084.4A CN109826558B (en) | 2019-04-03 | 2019-04-03 | Hydraulic high-frequency impact rock breaking tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265084.4A CN109826558B (en) | 2019-04-03 | 2019-04-03 | Hydraulic high-frequency impact rock breaking tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109826558A true CN109826558A (en) | 2019-05-31 |
| CN109826558B CN109826558B (en) | 2024-04-05 |
Family
ID=66874072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910265084.4A Active CN109826558B (en) | 2019-04-03 | 2019-04-03 | Hydraulic high-frequency impact rock breaking tool |
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| CN (1) | CN109826558B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469267A (en) * | 2019-07-31 | 2019-11-19 | 西南石油大学 | The device and method of compound action drag reduction speed-raising is turned round in a kind of drilling process by axis |
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| RU2054520C1 (en) * | 1993-03-23 | 1996-02-20 | Анатолий Васильевич Тихонов | Turbovibrator |
| US20040140131A1 (en) * | 2001-05-19 | 2004-07-22 | Susman Hector Fillipus Alexander Van Drentham | Downhole tool |
| CN105239929A (en) * | 2015-11-24 | 2016-01-13 | 西南石油大学 | Downhole tool for achieving efficient rock breaking through spin vibration |
| CN107664012A (en) * | 2017-11-07 | 2018-02-06 | 西南石油大学 | The two-way high frequency composite impact device of turbine type |
| CN108625783A (en) * | 2018-07-03 | 2018-10-09 | 长江大学 | A kind of downhole pressure increasing auxiliary rock tool |
| CN209704478U (en) * | 2019-04-03 | 2019-11-29 | 四川省贝特石油技术有限公司 | Hydraulic high-frequency percussion rock crushing tool |
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2019
- 2019-04-03 CN CN201910265084.4A patent/CN109826558B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2054520C1 (en) * | 1993-03-23 | 1996-02-20 | Анатолий Васильевич Тихонов | Turbovibrator |
| US20040140131A1 (en) * | 2001-05-19 | 2004-07-22 | Susman Hector Fillipus Alexander Van Drentham | Downhole tool |
| CN105239929A (en) * | 2015-11-24 | 2016-01-13 | 西南石油大学 | Downhole tool for achieving efficient rock breaking through spin vibration |
| CN107664012A (en) * | 2017-11-07 | 2018-02-06 | 西南石油大学 | The two-way high frequency composite impact device of turbine type |
| CN108625783A (en) * | 2018-07-03 | 2018-10-09 | 长江大学 | A kind of downhole pressure increasing auxiliary rock tool |
| CN209704478U (en) * | 2019-04-03 | 2019-11-29 | 四川省贝特石油技术有限公司 | Hydraulic high-frequency percussion rock crushing tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469267A (en) * | 2019-07-31 | 2019-11-19 | 西南石油大学 | The device and method of compound action drag reduction speed-raising is turned round in a kind of drilling process by axis |
| CN110469267B (en) * | 2019-07-31 | 2021-02-12 | 西南石油大学 | Device and method for reducing drag and increasing speed through shaft-torsion composite action in drilling process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109826558B (en) | 2024-04-05 |
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