CN208502646U - A kind of contactless strong magnetic impactor - Google Patents
A kind of contactless strong magnetic impactor Download PDFInfo
- Publication number
- CN208502646U CN208502646U CN201821041937.3U CN201821041937U CN208502646U CN 208502646 U CN208502646 U CN 208502646U CN 201821041937 U CN201821041937 U CN 201821041937U CN 208502646 U CN208502646 U CN 208502646U
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- CN
- China
- Prior art keywords
- valve disc
- tube body
- piston
- contactless
- impactor
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Abstract
The utility model relates to a kind of impactor, specifically a kind of contactless strong magnetic impactor.It is mutually threadedly coupled between upper tube body and lower tube body, upper tube body is provided with shaft, and shaft lower end is equipped with dynamic valve disc, moves and quiet valve disc is housed above valve disc；It is provided with piston cylinder in lower tube body, piston impact bar is provided in piston cylinder, annular impact strong magnet is housed on piston impact bar, lower tube body is provided with annular power transmission strong magnet；Piston impact bar interval extends in annular power transmission strong magnet.The contactless strong magnetic impactor impacts the homopolarity repulsive interaction of the generation of strong magnet and annular power transmission strong magnet by annular, cooperates in the axial pulse shock power of drill-in fluid and collective effect to drill bit；It realizes auxiliary rock and improves the purpose of drilling efficiency；Existing impactor contact impact be can effectively avoid to damage caused by tool, the service life of impactor is extended, there is performance to stablize, the high feature of drilling efficiency has positive meaning to drilling cost is reduced.
Description
Technical field
The utility model relates to a kind of impactor, specifically a kind of contactless strong magnetic impactor.
Background technique
Being constantly progressive and develop with science and technology, drilling technology also obtain certain progress gradually, drilling engineering by
Gradually develop to the drilling applications of the inclement conditions such as depth, ultra-deep environment；But it is many being encountered into the development process of deep environment well
Problem is mainly manifested in the catalase difficulty as caused by the factors such as rock density and frictional resistance increase, and drill bit efficiency of breaking rock is not
Height, the service life substantially reduces declines to a great extent etc. with drilling speed；Although the existing hydraulic impacter that can generate axial impact now, this
A little impactors are combined using flow guiding disc and hydraulic mechanism, to generate axial pulse using hydraulic coupling, hydraulic piston are allowed to drive
Impact head directly hits bit adapter；But the deficiency that these devices are certain since reasons in structure has e.g. is easy because of drilling fluid
Resistance and stiction lead to not backhaul, cause entire impactor performance unstable, so that the service life of impactor shortens, even
Failure, causes huge economic loss.
Summary of the invention
The purpose of this utility model is that: existing impactor can effectively be solved because of drilling fluid resistance and viscid work by providing one kind
With backhaul is led to not, the contactless strong magnetic impactor of entire impactor performance instability problem is caused.
The technical solution of the utility model is:
A kind of contactless strong magnetic impactor, including upper tube body, lower tube body, shaft, piston cylinder, piston impact bar, dynamic valve
Disk and quiet valve disc, it is characterised in that: be mutually threadedly coupled between upper tube body and lower tube body, screw thread, which is equipped with, on upper tube body connects
Head, screw thread is equipped with lower contact on lower tube body, is equipped in the upper tube body below top connection by alignment bearing and turbine assembly
Shaft, shaft lower end end are equipped with dynamic valve disc by fixing screws, are fixed with quiet valve disc in the upper tube body above dynamic valve disc；Down tube
It is provided with piston cylinder in vivo, piston cylinder is slidably and sealingly connected with dynamic valve disc；Piston impact bar, piston impact are provided in piston cylinder
One end of bar extends to below piston cylinder, and end is fixed with aerial drainage disk, aerial drainage disk and work at the top of the piston impact bar in piston cylinder
Plug cylinder inner wall is slidably and sealingly connected with；Annular is set with by closure nut on piston impact bar below aerial drainage disk and impacts strong magnetic
Iron is fixedly installed with annular power transmission strong magnet by axial restraint ring in the lower tube body below piston impact bar；Piston impact bar
One end interval extend in annular power transmission strong magnet.
The centre bore of the lower contact is shrinkage hole.
The aerial drainage disk is cylindrical, and axially symmetric shape is provided with fitting groove on the circumference of aerial drainage disk, leads in fitting groove
Overcompression spring is movably installed with blocking.
It is fixed with sealing plate at the top of the described aerial drainage disk, the upper surface of sealing plate and blocking is slidably and sealingly connected with.
The sealing board diameter is less than aerial drainage disk diameter.
The piston cylinder bottom symmetrical of the piston impact bar two sides is provided with discharge orifice.
Be respectively arranged with corresponding liquid stream inner hole on the dynamic valve disc and quiet valve disc, the dynamic valve disc of liquid stream inner hole periphery and
Corresponding liquid stream exit orifice is respectively arranged on quiet valve disc.It is slidably and sealingly connected between dynamic valve disc and quiet valve disc.
Protrusion is symmetrically arranged in piston cylinder below the aerial drainage disk.
Compared with prior art, the beneficial effects of the present invention are:
The contactless strong magnetic impactor drives annular impact strong magnet downward under fluid power promotion by piston impact bar
Movement, the power transmission under the action of homopolarity repulsive interaction of annular impact strong magnet and annular power transmission strong magnet, thus generates axial punching
It hits power and quiet valve disc and dynamic valve disc is cooperated to rotate the periodical drill-in fluid axial impact force generated and act on to drill bit；To realize
The purpose of auxiliary rock.The contactless impact mode of the contactless strong magnetic impactor can effectively avoid contact impact pair
Damage caused by tool extends the service life of tool.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is enlarged structure schematic diagram at the A in Fig. 1；
Fig. 3 is that the aerial drainage disk of the utility model removes the overlooking structure diagram after sealing plate；
Fig. 4 is blocking and the projection contacts schematic diagram of the utility model aerial drainage disk.
In figure: 1, upper tube body, 2, lower tube body, 3, shaft, 4, piston cylinder, 5, piston impact bar, 6, dynamic valve disc, 7, quiet valve
Disk, 8, top connection, 9, lower contact, 10, alignment bearing, 11, turbine assembly, 12, fixing screws, 13, liquid stream inner hole, 14, liquid stream
Exit orifice, 15, engaging lug, 16, aerial drainage disk, 17, fitting groove, 18, compressed spring, 19, blocking, 20, sealing plate, 21, closure nut,
22, annular impact strong magnet, 23, axial restraint ring, 24, annular power transmission strong magnet, 25, protrusion, 26, discharge orifice, 27, contraction
Hole.
Specific embodiment
The contactless strong magnetic impactor includes upper tube body 1, lower tube body 2, shaft 3, piston cylinder 4, piston impact bar 5, moves
Valve disc 6 and quiet valve disc 7.It being mutually threadedly coupled between upper tube body 1 and lower tube body 2, screw thread is equipped with top connection 8 on upper tube body 1, under
Screw thread is equipped with lower contact 9 on tube body 2, and the centre bore of lower contact 9 is shrinkage hole 27.Pass through in the upper tube body 1 of 8 lower section of top connection
Alignment bearing 10 and turbine assembly 11 are equipped with shaft 3, and turbine assembly 11 is made of turbine rotor and turbine stator.Under shaft 3
It holds end that dynamic valve disc 6 is housed by fixing screws 12, is fixed with quiet valve disc 7 in the upper tube body 1 of dynamic 6 top of valve disc.Dynamic 6 He of valve disc
It is respectively arranged with corresponding liquid stream inner hole 13 on quiet valve disc 7, is set respectively on the dynamic valve disc 6 and quiet valve disc 7 of 13 periphery of liquid stream inner hole
It is equipped with corresponding liquid stream exit orifice 14.It is slidably and sealingly connected between dynamic valve disc 6 and quiet valve disc 7, moves phase between valve disc 6 and quiet valve disc 7
Mutually during rotation between liquid stream inner hole 13 between liquid stream exit orifice 14 intermittent communication.
Piston cylinder 4 is provided in lower tube body 2, piston cylinder 4 is slidably and sealingly connected with dynamic valve disc 6；Piston cylinder 4 passes through its circumference
On engaging lug 15 be fixed in lower tube body 2.Piston impact bar 5 is provided in piston cylinder 4, one end of piston impact bar 5 extends
To 4 lower section of piston cylinder, 4 bottom symmetrical of piston cylinder of 5 two sides of piston impact bar is provided with discharge orifice 26.Piston in piston cylinder 4
5 top end of impact bar is fixed with aerial drainage disk 16, and aerial drainage disk 16 is slidably and sealingly connected with 4 inner wall of piston cylinder.Aerial drainage disk 16 is in circle
Cylindricality, axially and symmetrically shape is provided with fitting groove 17 on the circumference of aerial drainage disk 16, passes through 18 activity peace of compressed spring in fitting groove 17
Equipped with blocking 19.The bottom of blocking 19 is tapered；The top of aerial drainage disk 16 is fixed with sealing plate 20, and the diameter of sealing plate 20 is less than
16 diameter of aerial drainage disk.Sealing plate 20 and the upper surface of blocking 19 are slidably and sealingly connected with.The purpose of sealing plate 20 is to fitting groove 17
Upper port form half and block；Half cooperation of sealing plate 20 blocking 19 blocked, which forms to form the upper port of fitting groove 17, to be blocked,
And then 16 periphery of aerial drainage disk for blocking 19 cooperation 17 two sides of fitting groove forms integral sealing to 4 inner cavity of piston cylinder, in non-work
Make in state drill-in fluid through letting out under aerial drainage disk 16.
Annular impact strong magnet 22, piston are set with by closure nut 21 on the piston impact bar 5 of 16 lower section of aerial drainage disk
Annular power transmission strong magnet 24 is fixedly installed with by axial restraint ring 23 in the lower tube body 2 of 5 lower section of impact bar；In the course of work,
Annular impact strong magnet 22 is extended in annular power transmission strong magnet 24 by 5 interval of piston impact bar.
Protrusion 25, blocking 19 are symmetrically arranged in the piston cylinder 4 of 16 lower section of aerial drainage disk of the contactless strong magnetic impactor
It is connect with 25 Intermittent Contacts of protrusion.
When the contactless strong magnetic impactor drillng operation, drilling fluid flows to turbine assembly 11 from the center of top connection 8,
So that turbine rotor drives shaft 3 to rotate under the fluid power effect of drilling fluid, so that the dynamic rotation of valve disc 6 is driven, the liquid on quiet valve disc 7
Stream inner hole 13 and liquid stream exit orifice 14 on dynamic valve disc 6 liquid stream inner hole 13 and liquid stream exit orifice 14 thus replace connection；From turbine group
The drilling fluid flowed out in part 11 enters the annular space on quiet 7 top of valve disc, then flows into the liquid stream inner hole 13 and liquid stream exit orifice of quiet valve disc 7
14；Due to move valve disc 6 and quiet valve disc 7 on liquid stream inner hole 13 and liquid stream exit orifice 14 be set in distance respectively；
When the liquid stream inner hole 13 on the liquid stream inner hole 13 of quiet valve disc 7 and dynamic valve disc 6 is fully switched on, drilling fluid flows into piston
5 downlink of piston impact bar is pushed in cylinder 4 and by aerial drainage disk 16, to drive annular impact strong magnet 22 to move downward, in magnetic
Impact force is transmitted on annular power transmission strong magnet 24 under the action of iron homopolarity repulsive interaction, and then impact is transmitted to drill bit.
Piston impact bar 5 drives annular impact strong magnet 22 to continue to move downward, stifled on aerial drainage disk 16 during this
Plug 19 is gradually contacted with protrusion 25, and 25 pairs of blockings 19 of protrusion, which are formed, to be squeezed, and forces blocking 19 to contract, blocking 19 and piston cylinder
There is gap between 4 inner walls, unload circulation road and be opened, the drilling fluid in piston cylinder 4 is discharged through raised 25 two sides and discharge orifice 26
Piston cylinder 4；During this, the liquid stream inner hole 13 on dynamic valve disc 6 and quiet valve disc 7 is gradually closed, and is moved on valve disc 6 and quiet valve disc 7
Liquid stream exit orifice 14 be gradually connected to.
When the liquid stream inner hole 13 on dynamic valve disc 6 and quiet valve disc 7 completely closes, the liquid stream exit orifice on valve disc 6 and quiet valve disc 7 is moved
When 14 complete connection, envelope is flow to from the drilling fluid flowed out in turbine assembly 11 through the liquid stream exit orifice 14 on dynamic valve disc 6 and quiet valve disc 7
In the annular power transmission strong magnet 24 of 21 lower section of head nut, at this point, under the repulsion of magnet and the collective effect of drilling fluid hydraulic coupling
Piston impact bar 5 is pushed to reset.The rotation of dynamic valve disc 6, so that moving outside liquid stream inner hole 13 and the liquid stream on valve disc 6 and quiet valve disc 7
Hole is alternately connected；So that drilling fluid forms periodically axial pulse, the drilling fluid of periodically axial pulse is formed through lower contact 9
Hydrophthalmia on shrinkage hole 27 and drill bit is sprayed to bottom rock, and the purpose of auxiliary rock can be realized.
The contactless strong magnetic impactor is same by the annular generation for impacting strong magnet 22 and annular power transmission strong magnet 24
Pole repulsive interaction cooperates in the axial pulse shock power of drill-in fluid and collective effect to drill bit；It realizes auxiliary rock and improves and bore
Into the purpose of efficiency；Existing impactor contact impact be can effectively avoid to damage caused by tool, extend impactor
There is service life performance to stablize, the high feature of drilling efficiency, have positive meaning to drilling cost is reduced.
Claims (8)
1. a kind of contactless strong magnetic impactor, including the punching of upper tube body (1), lower tube body (2), shaft (3), piston cylinder (4), piston
Hit bar (5), dynamic valve disc (6) and quiet valve disc (7), it is characterised in that: it is mutually threadedly coupled between upper tube body (1) and lower tube body (2),
Screw thread is equipped with top connection (8) on upper tube body (1), and screw thread is equipped with lower contact (9) on lower tube body (2), below top connection (8)
It is equipped with shaft (3) in upper tube body (1) by alignment bearing (10) and turbine assembly (11), shaft (3) lower end end passes through solid
Determine screw (12) to be equipped with dynamic valve disc (6), is fixed with quiet valve disc (7) in the upper tube body (1) above dynamic valve disc (6)；In lower tube body (2)
It is provided with piston cylinder (4), piston cylinder (4) is slidably and sealingly connected with dynamic valve disc (6)；Piston impact bar is provided in piston cylinder (4)
(5), one end of piston impact bar (5) extends to below piston cylinder (4), end at the top of the piston impact bar (5) in piston cylinder (4)
It is fixed with aerial drainage disk (16), aerial drainage disk (16) is slidably and sealingly connected with piston cylinder (4) inner wall；Piston punching below aerial drainage disk (16)
It hits on bar (5) and is set with annular impact strong magnet (22) by closure nut (21), the lower tube body below piston impact bar (5)
(2) annular power transmission strong magnet (24) is fixedly installed with by axial restraint ring (23) in；One end interval of piston impact bar (5) is prolonged
It extends in annular power transmission strong magnet (24).
2. the contactless strong magnetic impactor of one kind according to claim 1, it is characterised in that: the lower contact (9)
Centre bore is shrinkage hole (27).
3. the contactless strong magnetic impactor of one kind according to claim 1, it is characterised in that: the aerial drainage disk (16) is in
Cylinder, axially and symmetrically shape is provided with fitting groove (17) on the circumference of aerial drainage disk (16), passes through compressed spring in fitting groove (17)
(18) blocking (19) are movably installed with.
4. the contactless strong magnetic impactor of one kind according to claim 3, it is characterised in that: under the aerial drainage disk (16)
Raised (25) are symmetrically arranged in the piston cylinder (4) of side.
5. the contactless strong magnetic impactor of one kind according to claim 3, it is characterised in that: aerial drainage disk (16) top
Portion is fixed with sealing plate (20), and sealing plate (20) and the upper surface of blocking (19) are slidably and sealingly connected with.
6. the contactless strong magnetic impactor of one kind according to claim 5, it is characterised in that: the sealing plate (20) is straight
Diameter is less than aerial drainage disk (16) diameter.
7. the contactless strong magnetic impactor of one kind according to claim 1, it is characterised in that: the piston impact bar
(5) piston cylinder (4) bottom symmetrical of two sides is provided with discharge orifice (26).
8. the contactless strong magnetic impactor of one kind according to claim 1, it is characterised in that: the dynamic valve disc (6) and
Corresponding liquid stream inner hole (13), the dynamic valve disc (6) and quiet valve disc of liquid stream inner hole (13) periphery are respectively arranged on quiet valve disc (7)
(7) corresponding liquid stream exit orifice (14) is respectively arranged on；It is slidably and sealingly connected between dynamic valve disc (6) and quiet valve disc (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821041937.3U CN208502646U (en) | 2018-07-03 | 2018-07-03 | A kind of contactless strong magnetic impactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821041937.3U CN208502646U (en) | 2018-07-03 | 2018-07-03 | A kind of contactless strong magnetic impactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502646U true CN208502646U (en) | 2019-02-15 |
Family
ID=65283117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821041937.3U Expired - Fee Related CN208502646U (en) | 2018-07-03 | 2018-07-03 | A kind of contactless strong magnetic impactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208502646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678656A (en) * | 2018-07-03 | 2018-10-19 | 长江大学 | A kind of contactless strong magnetic impactor |
-
2018
- 2018-07-03 CN CN201821041937.3U patent/CN208502646U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678656A (en) * | 2018-07-03 | 2018-10-19 | 长江大学 | A kind of contactless strong magnetic impactor |
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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: 20190215 Termination date: 20210703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |