CN206707617U - A kind of axial double acting hydraulic impacting device - Google Patents
A kind of axial double acting hydraulic impacting device Download PDFInfo
- Publication number
- CN206707617U CN206707617U CN201720504988.4U CN201720504988U CN206707617U CN 206707617 U CN206707617 U CN 206707617U CN 201720504988 U CN201720504988 U CN 201720504988U CN 206707617 U CN206707617 U CN 206707617U
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- piston rod
- double acting
- acting hydraulic
- impacting device
- shell
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Abstract
A kind of axial double acting hydraulic impacting device is the utility model is related to, belongs to oilfield drilling technical field of tools.The impactor includes shell, top connection, lower contact, spline housing, impact hammer and flow guide sleeve；Hammer seat is provided with by sleeve in shell, for the shell of sleeve side built with throat bushing and high-pressure shunting cylinder, high-pressure shunting cylinder is interior to be equipped with piston rod by symmetrically arranged upper limit seat and lower limit seat；One end of piston rod is fixed with piston anchor tip；One end of piston rod is fixed with impact hammer, the impactor is in the presence of high speed drilling hydraulic coupling, piston rod reciprocation cycle vibration at high speed, and transfer this motion into jump bit hammer body, hammer body jump bit seat and the high-frequency percussion broken rock effect for being eventually converted into drill bit, so as to improve the efficiency of breaking rock of drill bit, when solving traditional rotary drilling mode and encountering hard formation, the problem of drilling efficiency reduces, and drilling period is long, cost is high；There is positive dissemination to improving drilling efficiency and reducing drilling cost.
Description
Technical field
A kind of axial double acting hydraulic impacting device is the utility model is related to, belongs to oilfield drilling technical field of tools.
Background technology
Oil is known as the title of " blood of World Economics ", always has in the industry and economic development in China very important
Effect, be Chinese national economy mainstay.In recent years, as Oil And Gas Exploration And Development deepens continuously, bore and meet " three
It is high "（Formation hardness is high, rock drillability is high, rock abrasiveness is high）Possibility it is increasing, both of which tests
The ups and downs of petroleum industry, therefore, how drilling efficiency is improved, reduce cost, be the major issue that petroleum industry needs to solve.Pass
When the rotary drilling mode of system encounters hard formation, drilling efficiency reduces, and bit life becomes shorter, and drilling period is longer, cost
It is higher；Therefore it is a problem for being nowadays badly in need of in drilling engineering solving to effectively improve drilling rate.
The content of the invention
The purpose of this utility model is：Efficiency of breaking rock can be effectively improved by providing one kind, rate of penetration be improved, so as to reduce
The axial double acting hydraulic impacting device of cost of winning.
The technical solution of the utility model is：
A kind of axial double acting hydraulic impacting device, including shell, top connection, lower contact, spline housing, impact hammer and water conservancy diversion
Set；It is characterized in that：The threaded one end of shell is provided with top connection；The other end of shell is equipped with lower contact by spline housing；Outside
Hammer seat is provided with by sleeve in shell, the shell of sleeve side leads in high-pressure shunting cylinder built with throat bushing and high-pressure shunting cylinder
Cross symmetrically arranged upper limit seat and lower limit seat and piston rod is housed；One end of piston rod is fixed with piston anchor tip；Piston
One end of bar is fixed with impact hammer, and sliding block is provided with piston rod, and one end of sliding block is fixed by sliding block top anvil with piston to be connect
Head contact connection；The side of high-pressure shunting cylinder and upper limit seat is equipped with water diversing head by flow guiding connector and flow guide sleeve.
Spacing bore is respectively arranged with described upper limit seat and lower limit seat；Throttling sets of holes are provided with throat bushing；
Water conservancy diversion sets of holes are provided with flow guide sleeve；
Spiral is provided with flange on described high-pressure shunting cylinder circumference, is evenly equipped with the high-pressure shunting cylinder circumference between flange
High-pressure shunting hole.Gewindefreistiche is provided with described flow guiding connector, flow guiding connector passes through Gewindefreistiche and high-pressure shunting
The mutual clamping of cylinder.
Described impact hammer is diameter-changing body, and jump bit hole is provided with impact hammer.
Projection is symmetrically arranged with described sliding block, the center of slider bore, slider bore and sliding block is respectively arranged with projection
Hole connects.
Described piston rod is provided circumferentially about dovetail groove, and withdrawing screw thread is respectively arranged with the both ends circumference of piston rod
Groove, multiple rod apertures is evenly equipped with the piston rod between withdrawing thread groove, rod aperture connects with the centre bore of piston rod；It is living
Stopper rod one end is threadedly coupled by withdrawing thread groove with impact hammer；The piston rod other end is fixed by withdrawing thread groove with piston
Joint clamping.
Described spline housing one end is connected with outer casing screw；The other end of spline housing and lower contact key connection.
Described hammer seat is mutually threadedly coupled with lower contact.
Described throat bushing contacts connection with high-pressure shunting cylinder.
Upper cover of piston rod between described upper limit seat and lower limit seat is set equipped with commutation throat bushing on the throat bushing that commutates
It is equipped with commutation throttle orifice.
The beneficial effects of the utility model are：
Piston rod one end of the axial double acting hydraulic impacting device is connected by screw thread with impact hammer, in high speed drill well liquid
In the presence of pressure, piston rod reciprocation cycle vibration at high speed, and jump bit hammer body is transferred this motion into, hammer body jump bit seat is simultaneously
The high-frequency percussion broken rock effect of drill bit is eventually converted into, so as to improve the efficiency of breaking rock of drill bit, solves traditional rotary drilling
When mode encounters hard formation, the problem of drilling efficiency reduces, and bit life shortens, and drilling period is long, cost is high；To improving drilling well
Efficiency and reduction drilling cost have positive dissemination.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of throat bushing of the present utility model；
Fig. 3 is the cross section structure diagram of throat bushing of the present utility model；
Fig. 4 is the cross section structure diagram of high-pressure shunting cylinder of the present utility model；
Fig. 5 is the cross section structure schematic diagram of high-pressure shunting cylinder of the present utility model；
Fig. 6 is the structural representation of limit base of the present utility model；
Fig. 7 is the structural representation of piston rod of the present utility model；
Fig. 8 is the structural representation of impact hammer of the present utility model；
Fig. 9 is the structural representation of sliding block of the present utility model；
Figure 10 is the structural representation of flow guide sleeve of the present utility model；
Figure 11 is the structural representation of flow guiding connector of the present utility model；
Figure 12 is the structural representation of piston anchor tip of the present utility model；
Figure 13 is the structural representation of water diversing head of the present utility model.
In figure：1st, shell, 2, top connection, 3, lower contact, 4, spline housing, 5, impact hammer, 6, flow guide sleeve, 7, sleeve, 8,
Hammer seat into shape, 9, throat bushing, 10, high-pressure shunting cylinder, 11, throttling sets of holes, 12, flange, 13, high-pressure shunting hole, 14, upper limit seat, 15,
Lower limit seat, 16, piston rod, 17, spacing bore, 18, dovetail groove, 19, withdrawing thread groove, 20, rod aperture, 21, piston it is solid
Determine joint, 22, jump bit hole, 23, commutation throat bushing, 24, commutation throttle orifice, 25, sliding block, 26, raised, 27, slider bore, 28,
Sliding block top anvil, 29, flow guiding connector, 30, water diversing head, 31, water conservancy diversion sets of holes, 32, Gewindefreistiche.
Embodiment
The axial double acting hydraulic impacting device includes shell 1, top connection 2, lower contact 3, spline housing 4, impact hammer 5 and led
Stream set 6.The threaded one end of shell 1 is provided with top connection 2；The other end of shell 1 is equipped with lower contact 3 by spline housing 4；Spline housing
4 one end is threadedly coupled with shell 1；The other end of spline housing 4 and the key connection of lower contact 3.
Hammer seat 8 is provided with by sleeve 7 in shell 1, hammer seat 8 is mutually threadedly coupled with lower contact 3.Outside the side of sleeve 7
Shell 1 contacts connection built with throat bushing 9 and high-pressure shunting cylinder 10, throat bushing 9 with high-pressure shunting cylinder 10.It is provided with throat bushing 9
Throttle sets of holes 11；Throttling sets of holes 11 connect with the centre bore of throat bushing 9；Spiral is provided with flange on the circumference of high-pressure shunting cylinder 10
12, high-pressure shunting hole 13 is evenly equipped with the circumference of high-pressure shunting cylinder 10 between flange 12.
Piston rod 16 is equipped with by symmetrically arranged upper limit seat 14 and lower limit seat 15 in high-pressure shunting cylinder 10；Upper limit
Spacing bore 17 is respectively arranged with seat 14 and lower limit seat 15；Piston rod 16 is provided circumferentially about dovetail groove 18, piston rod 16
Both ends circumference on be respectively arranged with withdrawing thread groove 19, be evenly equipped with multiple pistons on the piston rod 16 between withdrawing thread groove 19
Rod aperture 20,（Rod aperture 20 is 1 hole, 2 holes, 3 holes, 4 holes, 5 holes from right to left）Rod aperture 20 and the centre bore of piston rod 16
Connection.One end of piston rod 16 is provided with piston anchor tip 21 by withdrawing thread groove 19；The other end of piston rod is by moving back
The screw thread of knife thread groove 19 is provided with impact hammer 5, and impact hammer 5 is diameter-changing body, and jump bit hole 22 is provided with impact hammer 5.
Commutation throat bushing 23 is set with piston rod 16 between upper limit seat 14 and lower limit seat 15, commutate throat bushing 23
On be provided with commutation throttle orifice 24.
Sliding block 25 is provided with the centre bore of piston rod 16, projection 26 is symmetrically arranged with sliding block 25, is distinguished in projection 26
Slider bore 27 is provided with, slider bore 27 connects with the centre bore of sliding block 25.One end of sliding block 26 passes through sliding block top anvil 28 and piston
The contact connection of anchor tip 21.
The side of high-pressure shunting cylinder 10 and upper limit seat 14 is equipped with water diversing head 30 by flow guiding connector 29 and flow guide sleeve 6.Lead
Water conservancy diversion sets of holes 31 are provided with stream set 6；Gewindefreistiche 32 is provided with flow guiding connector 29, flow guiding connector 29 passes through screw thread withdrawing
Groove 32 and the 10 mutual clamping of high-pressure shunting cylinder.
During the axial double acting hydraulic impacting device work, drilling fluid passes through inside the entering tool of top connection 2, through water diversing head 30
Enter the exocoel of high-pressure shunting cylinder 10 with flow guide sleeve 6.Drilling fluid punishes into two in high-pressure shunting cylinder 10, and one along high-pressure shunting cylinder
10 flange 12 downwardly produces the high jump bit hole 22 for injecting by pressure and passing through impact hammer 5 by throat bushing 9 and finally connect by down
First 3 outflow, another high-pressure shunting hole 13 by high-pressure shunting cylinder 10 enter in high-pressure shunting cylinder 10.Drilling fluid is through high-pressure shunting
The flange 12 of cylinder 10 forms spiral flow, and bulky grain thing therein prolongs the upside flowing of screwed flange 12 under the influence of centrifugal force,
The motion that the bulky grain thing in drilling fluid enters in high-pressure shunting cylinder 10 to piston rod 16 is substantially avoid to impact.Due to height
The hydraulic pressure that the compositions such as upper limit seat 14, lower limit seat 15, piston rod 16 and commutation throat bushing 23 are provided with pressure shunt cylinder 10 changes
To mechanism.The drilling fluid that high-pressure shunting hole 13 through high-pressure shunting cylinder 10 is entered in high-pressure shunting cylinder 10 is by upper limit seat 14
Rod aperture 20 of the spacing bore 17 through piston rod 16（1 hole）Into the upside cavity between sliding block 25 and piston rod 16, so that
It is descending to oppress sliding block 25；During this, cleaner for high-pressure drilling fluid enters to piston rod by the commutation throttle orifice 24 of commutation throat bushing 23
16 dovetail groove 18, and by rod aperture 20 in dovetail groove 18（3 holes）Into the outside of projection 26 of sliding block 25.It is convex when sliding block 25
Play 26 outsides and the rod aperture 20 of piston rod 16（4 holes）During UNICOM, cleaner for high-pressure drilling fluid enters under the dovetail groove 18 of piston rod 16
Cavity between side end face and lower limit seat 15, and act on the downside end face of dovetail groove 18 and force piston rod 16 up.When trapezoidal
The upside end face of groove 18 contacts with upper limit seat 14（Hydraulic reversing system top dead-centre）When piston rod 16 stop upstroke and entering
The down stroke stage.
When hydraulic reversing system is in top dead-centre, the rod aperture 20 of piston rod 16（5 holes）With the limit of lower limit seat 15
Position bore 17 is alignd, and cleaner for high-pressure drilling fluid enters the underside cavity of sliding block 25 and piston rod 16, so that sliding block 25 is up；Work as sliding block
25 outside of projection 26 and the rod aperture 20 of piston rod 16（2 holes）During UNICOM, cleaner for high-pressure drilling fluid enters the dovetail groove of piston rod 16
Cavity between 18 and upper limit seat 14, and the upside end face of dovetail groove 18 is acted on so that piston rod 16 is descending.Work as dovetail groove
18 downsides end face contact with lower limit seat 15（Hydraulic reversing system bottom dead centre）When stop downward movement and enter the up stroke stage.
Because piston rod 16 is connected by screw thread with impact hammer 5, in the presence of high speed drilling hydraulic coupling, piston rod 16
During reciprocation cycle vibration at high speed, by the constantly hammering hammer seat 8 of impact hammer 5, the high frequency axial direction to drill bit is consequently formed
Impulsive force；So as to improve the contact stress between drill bit and rock and the Crack Extension in broken hole, and then improve the broken of drill bit
Rock efficiency.The axial double acting hydraulic impacting device is simple in construction, novel in design, solves traditional rotary drilling mode and encounters hard place
During layer, the problem of drilling efficiency reduces, and bit life shortens, and drilling period is long, cost is high；Bored to improving drilling efficiency and reducing
Well cost has positive dissemination.
Claims (10)
1. a kind of axial double acting hydraulic impacting device, including shell（1）, top connection（2）, lower contact（3）, spline housing（4）, impact
Hammer body（5）And flow guide sleeve（6）；It is characterized in that：Shell（1）Threaded one end top connection is installed（2）；Shell（1）It is another
End passes through spline housing（4）Equipped with lower contact（3）；Shell（1）Inside pass through sleeve（7）Hammer seat is installed（8）, sleeve（7）Side
Shell（1）Built with throat bushing（9）With high-pressure shunting cylinder（10）, high-pressure shunting cylinder（10）It is interior to pass through symmetrically arranged upper limit seat
（14）With lower limit seat（15）Equipped with piston rod（16）；Piston rod（16）One end be fixed with piston anchor tip（21）；Piston
Bar（16）One end be fixed with impact hammer（5）, piston rod（16）Inside it is provided with sliding block（25）, sliding block（25）One end pass through cunning
Block top anvil（28）With piston anchor tip（21）Contact connection；High-pressure shunting cylinder（10）With upper limit seat（14）Side by leading
Flow joint（29）And flow guide sleeve（6）Equipped with water diversing head（30）.
A kind of 2. axial double acting hydraulic impacting device according to claim 1, it is characterised in that：Described upper limit seat
（14）With lower limit seat（15）On be respectively arranged with spacing bore（17）；Throat bushing（9）On be provided with throttling sets of holes（11）；Water conservancy diversion
Set（6）On be provided with water conservancy diversion sets of holes（31）.
A kind of 3. axial double acting hydraulic impacting device according to claim 1, it is characterised in that：Described high-pressure shunting cylinder
（10）Spiral is provided with flange on circumference（12）, flange（12）Between high-pressure shunting cylinder（10）High-pressure shunting is evenly equipped with circumference
Hole（13）；Described flow guiding connector（29）On be provided with Gewindefreistiche（32）, flow guiding connector（29）Pass through Gewindefreistiche
（32）With high-pressure shunting cylinder（10）Mutual clamping.
A kind of 4. axial double acting hydraulic impacting device according to claim 1, it is characterised in that：Described impact hammer
（5）For diameter-changing body, impact hammer（5）On be provided with jump bit hole（22）.
A kind of 5. axial double acting hydraulic impacting device according to claim 1, it is characterised in that：Described sliding block（25）On
It is symmetrically arranged with projection（26）, it is raised（26）On be respectively arranged with slider bore（27）, slider bore（27）With sliding block（25）Center
Hole connects.
A kind of 6. axial double acting hydraulic impacting device according to claim 1, it is characterised in that：Described piston rod（16）
It is provided circumferentially about to have dovetail groove（18）, piston rod（16）Both ends circumference on be respectively arranged with withdrawing thread groove（19）, withdrawing spiral shell
Groove（19）Between piston rod（16）On be evenly equipped with multiple rod apertures（20）, rod aperture（20）With piston rod（16）In
Heart hole connects；Piston rod（16）One end passes through withdrawing thread groove（19）With impact hammer（5）Threaded connection；Piston rod（16）It is another
End passes through withdrawing thread groove（19）With piston anchor tip（21）Clamping.
A kind of 7. axial double acting hydraulic impacting device according to claim 1, it is characterised in that：Described spline housing（4）
One end and shell（1）Threaded connection；Spline housing（4）The other end and lower contact（3）Key connection.
A kind of 8. axial double acting hydraulic impacting device according to claim 1, it is characterised in that：Described hammer seat（8）With
Lower contact（3）Mutually threaded connection.
A kind of 9. axial double acting hydraulic impacting device according to claim 1, it is characterised in that：Described throat bushing（9）
With high-pressure shunting cylinder（10）Threaded connection.
A kind of 10. axial double acting hydraulic impacting device according to claim 1 or 2, it is characterised in that：Described upper limit
Seat（14）With lower limit seat（15）Between piston rod（16）On be set with commutation throat bushing（23）, commutate throat bushing（23）On set
It is equipped with commutation throttle orifice（24）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720504988.4U CN206707617U (en) | 2017-05-09 | 2017-05-09 | A kind of axial double acting hydraulic impacting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720504988.4U CN206707617U (en) | 2017-05-09 | 2017-05-09 | A kind of axial double acting hydraulic impacting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206707617U true CN206707617U (en) | 2017-12-05 |
Family
ID=60465880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720504988.4U Expired - Fee Related CN206707617U (en) | 2017-05-09 | 2017-05-09 | A kind of axial double acting hydraulic impacting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206707617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917582A (en) * | 2017-05-09 | 2017-07-04 | 长江大学 | A kind of axial double acting hydraulic impacting device |
| CN112392398A (en) * | 2019-08-13 | 2021-02-23 | 中国石油天然气集团有限公司 | Axial impactor |
-
2017
- 2017-05-09 CN CN201720504988.4U patent/CN206707617U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917582A (en) * | 2017-05-09 | 2017-07-04 | 长江大学 | A kind of axial double acting hydraulic impacting device |
| CN112392398A (en) * | 2019-08-13 | 2021-02-23 | 中国石油天然气集团有限公司 | Axial 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: 20171205 Termination date: 20200509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |