CN103306600A - Cam-type axial rotary punching tool - Google Patents
Cam-type axial rotary punching tool Download PDFInfo
- Publication number
- CN103306600A CN103306600A CN201310261486XA CN201310261486A CN103306600A CN 103306600 A CN103306600 A CN 103306600A CN 201310261486X A CN201310261486X A CN 201310261486XA CN 201310261486 A CN201310261486 A CN 201310261486A CN 103306600 A CN103306600 A CN 103306600A
- Authority
- CN
- China
- Prior art keywords
- cam
- instrument
- bit
- type
- cam bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The invention relates to a cam-type axial rotary punching tool. The cam-type axial rotary punching tool comprises a rotation driving component and a punching component, wherein the rotation driving component comprises a driving shaft, and a rotation driving cylinder and a first cam block which are sequentially sleeved on the driving shaft and fixedly connected with each other; the punching component comprises a second cam block which is matched with the end surface of the first cam block, a first limiting structure in axial sliding connection with the second cam block, an elastic component sleeved on the driving cylinder, and a second limiting structure arranged at one end of the elastic component; the other end of the elastic component presses against the second cam block; and the driving shaft drives the first cam block to rotate through the rotation driving cylinder so as to drive the second cam block to move in the axial direction in the telescopic stroke of the elastic component for generating a punching acting force. The cam-type axial rotary punching tool can provide rotating and punching acting forces at the same time, has a relatively low requirement on sealing performance, and can be matched with a power drill for use.
Description
Technical field
The present invention relates to the drilling tool field, more particularly, relate to a kind of cam-type that turning effort power and impact forces be provided simultaneously instrument that axially spins.
Background technology
At present the normal drilling tool major part that adopts in oil field can only be single provides moment of torsion turning effort power, when using this drilling tool drilling well for harder stratum or abrasive layer, Chang Yin lacks enough active forces and destroys the stratum, drill bit is easy to occur the phenomenons such as bit freezing, wearing and tearing like this, reduce drilling life of bit, virtually increase cost, and bit speed is lower, affects drilling efficiency.
Addressing the above problem at present both at home and abroad is a kind of rotary percussion drill by driving well tool that increases again impact force on the basis of turning effort power of research, the two large classes that are divided into commonly used, a kind of is to be called hydraulic impacter with high pressure liquid stream such as clear water, mud etc. as the impactor of dynamic medium, is a kind of device that fluid pressure can be changed into the impact energy acting; Another kind of impactor take compressed air as drive medium is called air hammer, sometimes also is pneumatic down-hole hammer, is a kind of device that gas pressure can be changed into the impact energy acting.Although these equipment can improve the bit speed of hard fragility, broken formation, reduce the wearing and tearing of drill bit, sealing requirements is high, has improved manufacturing cost.And the structures shape of these equipment itself in drilling equipment combination, can not add power drilling tool (turbine or screw rod), air hammer and hydraulic impacter can be accompanied with pulse ripple when producing percussion, and this just is not suitable for power drilling tool and is connected with drill bit with driving shaft and is connected.
Summary of the invention
The object of the present invention is to provide a kind of cam-type that rotation is provided simultaneously and impacts two kinds of active forces by mechanism instrument that axially spins, not only solved the problem that drilling tool efficient is low, cost is high of only having turning effort power, simultaneously also because the present invention provides active force by mechanism, lower to sealing requirements, and can not produce impulse action, can unite use with power drilling tool like this, solve the problem high to sealing requirements with air hammer and that can not be combined with power drilling tool of surging.
The technical scheme that technical solution problem of the present invention adopts is: a kind of drilling equipment is with the cam-type instrument that axially spins, comprise rotary driving part and impact part, wherein, described rotary driving part comprises driving shaft, rotary actuation cylinder and the first cam bit, and described rotary actuation cylinder and the first cam bit are set on the described driving shaft also mutually affixed successively; The first position limiting structure that described impact part comprises the second cam bit of being complementary with described the first cam bit end face, be in axial sliding connection with described the second cam bit, be linked in the elastic component on the described rotary actuation cylinder, described impact part also comprises the second position limiting structure that is arranged on described elastic component one end, and the other end of described elastic component supports on the second cam bit; Described driving shaft drives described the first cam bit rotation by the rotary actuation cylinder, and then drives the axially-movable along described rotary actuation cylinder in the flexible stroke of described elastic component of described the second cam bit, for generation of impact forces.
In cam-type of the present invention was axially spun instrument, described the second cam bit offered a plurality of the first grooves away from an end of described the first cam bit.
In cam-type of the present invention is axially spun instrument, on described the first position limiting structure comprises shell body and is fixedly connected on described shell body and the card-bit part corresponding with a plurality of described the first grooves.
In cam-type of the present invention was axially spun instrument, described elastic component was spring.
In cam-type of the present invention is axially spun instrument, the ring cowling of hollow out in the middle of described the second position limiting structure comprises, have the second groove that the end with described rotary actuation cylinder is complementary on the described ring cowling, described ring cowling is linked in an end of described rotary actuation cylinder by described the second groove, described elastic component supports on described ring cowling.
In cam-type of the present invention is axially spun instrument, described shell body is to consist of by the cylindrical tube that is trapped among described rotary driving part and the impact part outside and with the integrated conical tube of described cylindrical tube, described conical tube the maximum inscribed circle diameter is less than the interior circular diameter of described cylindrical tube, thereby make described conical tube that the end face of protrusion be arranged with respect to described cylindrical tube inner surface at described conical tube and described cylindrical tube junction, be lined with wear-resisting gasket ring on the described end face; Be connected with connector on the described cylindrical tube inner surface, be lined with the adjusting gasket ring between described connector and the described ring cowling.
In cam-type of the present invention was axially spun instrument, described conical tube was provided with external screw thread or internal thread.
In cam-type of the present invention is axially spun instrument, be interval with at least 2 arc-shaped depression portion that curvature of curved surface is identical on described the first cam bit, form the arc protuberance between the adjacent described arc-shaped depression portion, described the first cam bit keeps radial level to contact with the contacted line style face of described the second cam bit.
In cam-type of the present invention is axially spun instrument, also comprise flat key, have keyway on the described driving shaft periphery He on the rotary actuation cylinder inner headed face, be connected by described flat key.
In cam-type of the present invention was axially spun instrument, described rotary actuation cylinder periphery was provided with protruding key, has the keyway that is complementary with described protruding key on the inner headed face of described the first cam bit, and described driving cylinder is connected with described the first cam bit.
Structure design advantages of simple of the present invention, rotation can be provided simultaneously and impact two kinds of active forces, the single fractured rock effect of percussion drilling and the continuous crushing rock effect of rotary drilling are combined, can improve to a great extent the drilling machinery drilling speed, reduce bit wear; The present invention provides active force by mechanism, thus lower to sealing requirements, greatly reduce manufacturing cost, but also can be used in conjunction with power drilling tool, can realize the dual speed-raising of drilling well, reduce drilling cost.
Description of drawings
Fig. 1 is axially the spin internal construction schematic diagram of instrument of cam-type of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional schematic;
Fig. 3 is axially the spin internal construction elevational schematic view of instrument of cam-type of the present invention;
Fig. 4 is that the B-B of Fig. 3 is to cross-sectional schematic.
Fig. 5 is axially the spin outer TV structure schematic diagram of instrument of cam-type of the present invention;
Fig. 6 is that the C-C of Fig. 5 is to cross-sectional schematic;
The specific embodiment
Below in conjunction with drawings and Examples, axially spin structural principle and the specific implementation of instrument of cam-type of the present invention is described further:
Shown in Fig. 1～4, can see from different perspectives that from figure a kind of drilling equipment is with the cam-type instrument that axially spins, this instrument can provide turning effort power and impact forces simultaneously, comprise rotary driving part and impact part, wherein, described rotary driving part comprises driving shaft 1, rotary actuation cylinder 2 and the first cam bit 3, rotary actuation cylinder 2 and the first cam bit 3 are set on the driving shaft 1 successively, have keyway on driving shaft 1 periphery He on rotary actuation cylinder 2 inner headed faces, being connected by flat key 16, also can be to be connected by spline.
As shown in Figure 1, described impact part comprises the second cam bit 4 that is complementary with the first cam bit 3 end faces, the first position limiting structure that is in axial sliding connection with the second cam bit 4 (indicating on the figure), be linked in the elastic component 5 on the rotary actuation cylinder 2, also comprise the second position limiting structure (not indicating on the figure) that is arranged on elastic component 5 one ends, the other end of elastic component 5 supports on the second cam bit 4.Wherein the first position limiting structure can not rotate along with the rotation of the first cam bit 3 the second cam bit 4, but only vertically motion in the flexible stroke of elastic component 5; The second position limiting structure is used for supporting an end of elastic component 5; Elastic component 5 is preferably spring.
As shown in Figure 1, be interval with at least 2 arc-shaped depression portion that curvature of curved surface is identical on the first cam bit 3, form the arc protuberance between the adjacent described arc-shaped depression portion, the first cam bit 3 is complementary with the second cam bit 4 and contacts and the contact of contact wire profile maintenance radial level, then the second cam bit 4 also has corresponding arc protuberance and arc-shaped depression portion, like this along with the rotation of the first cam bit 3, the second cam bit 4 does not rotate, but along the axial direction compression elastic piece 5 that moves, when the protuberance summit of the first cam bit 3 with after the protuberance summit of the second cam bit 4 contacts, when continuing rotation along with the first cam bit 3, the second cam bit 4 will be produced impact force by elastic component 5 moments ejection, and so circulation then produces the percussion of certain frequency.
Further, as shown in Figure 1, offer a plurality of the first grooves 6 on the second cam bit 4 is circumferential away from an end of the first cam bit 3, also can be the first waist hole that offers a plurality of spacing parallel arrangings at the second cam bit 4, axially the spin axial direction of instrument of the length direction in the first waist hole and this cam-type be identical.As shown in Figure 5, described the first position limiting structure comprises shell body 7, and shell body 7 position corresponding with a plurality of the first grooves 6 or a plurality of described the first waist hole has screwed hole 18; As shown in Figure 1, described the first position limiting structure also comprises the card-bit part 8 that is fixedly connected on the shell body 7, be preferably the screens screw, it also can be the screens bolt, card-bit part 8 can snap in the first groove 6 or described the first waist hole, such the first groove 6 or described the first waist hole just become the first sliding rail of card-bit part 8, and the second cam bit 4 is only moved vertically along the first sliding rail in the flexible stroke of elastic component 5, do not rotate.
The first position limiting structure can also be that a plurality of card-bit parts 8 are fixedly connected on the second cam bit 4 with spaced radial, have a plurality of spacing parallel arrangings second waist hole corresponding with card-bit part 8 at shell body 7, axially the spin axial direction of instrument of the length direction in same described the second waist hole and this cam-type is identical, card-bit part 8 can snap in described the second waist hole, described like this second waist hole just becomes the second sliding rail of card-bit part 8, the second cam bit 4 is only moved along the second sliding rail in the flexible stroke of elastic component 5 equally vertically, do not rotate.
Further, as depicted in figs. 1 and 2, the annular ring cowling 9 of hollow out in the middle of described the second position limiting structure comprises, ring cowling 9 is sleeved on driving shaft 1 outer and coaxial setting, have annular the second groove (indicating on the figure) that is complementary near an end of elastic components 5 with rotary actuation cylinder 2 on the ring cowling 9, ring cowling 9 is linked on the end of rotary actuation cylinder 2 by described the second groove, and elastic component 5 supports on ring cowling 9
Further, as shown in Figure 6, shell body 7 is to consist of by the cylindrical tube 12 that is trapped among described rotary driving part and the impact part outside and with described cylindrical tube 12 integrated conical tubes 13, conical tube 13 the maximum inscribed circle diameters are less than the interior circular diameter of described cylindrical tube 12, thereby make conical tube 13 that the annular end face 14 of protrusion be arranged with respect to cylindrical tube 12 inner surfaces in conical tube 13 and cylindrical tube 12 junctions, be lined with wear-resisting gasket ring 15 between this end face 14 and the first cam bit 3 and/or the rotary actuation cylinder 2, and connect with the both sides end face of described wear-resisting gasket ring 15 respectively; The inner surface of cylindrical tube 12 is connected with connector 10 by screw thread, be lined with between connector 10 and the ring cowling 9 and regulate gasket ring 11, and connect with the both sides end face of described adjusting gasket ring 11 respectively, regulate gasket ring 11 and can suitably revise the pretightning force that its thickness comes adjustable elastic spare 5; The inner surface of connector 10 preferably is with gradient to become inner cone circular and with internal thread, can be connected by screw thread with power drilling tool, connector 10 also can be provided with other connector that is complementary with institute interlock power drilling tool, and described power drilling tool comprises turbine, screw rod etc.
Further, conical tube 13 is provided with external screw thread or internal thread, can be threaded connection with PDC drill bit, diamond-impregnated bit or other drill bit.Conical tube can also be provided with and company other connector of being complementary of drill bit.
In addition, shell body 7 can also increase a kind of control device is set, so that applying under the state of the pressure of the drill, rotary driving part work, when drill bit was lifted from drilling state, rotary driving part was not worked.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, all these improvement or conversion all should belong within the protection domain of claims of the present invention.
Claims (10)
1. a drilling equipment is characterized in that with the cam-type instrument that axially spins: comprise rotary driving part and impact part, wherein,
Described rotary driving part comprises driving shaft (1), rotary actuation cylinder (2) and the first cam bit (3), and it is upper and mutually affixed that described rotary actuation cylinder (2) and described the first cam bit (3) are set in described driving shaft (1) successively;
The first position limiting structure that described impact part comprises the second cam bit (4) of being complementary with described the first cam bit (3) end face, be in axial sliding connection with described the second cam bit (4), be linked in the elastic component (5) on the described rotary actuation cylinder (2), described impact part also comprises the second position limiting structure that is arranged on described elastic component (5) one ends, and the other end of described elastic component (5) supports on described the second cam bit (4);
Described driving shaft (1) drives described the first cam bit (3) rotation by described rotary actuation cylinder (2), and then drive described the second cam bit (4) axially-movable along described rotary actuation cylinder (2) in the flexible stroke of described elastic component (5), for generation of impact forces.
2. the cam-type as claimed in claim 1 instrument that axially spins, it is characterized in that: described the second cam bit (4) offers a plurality of the first grooves (6) away from an end of described the first cam bit (3).
3. the cam-type as claimed in claim 2 instrument that axially spins is characterized in that: described the first position limiting structure comprises shell body (7) and is fixedly connected on the upper and card-bit part (8) corresponding with a plurality of described the first grooves (6) of described shell body (7).
4. the cam-type as claimed in claim 1 instrument that axially spins, it is characterized in that: described elastic component (5) is spring.
5. the cam-type as claimed in claim 1 instrument that axially spins, it is characterized in that: the ring cowling (9) of hollow out in the middle of described the second position limiting structure comprises, have the second groove that the end with described rotary actuation cylinder (2) is complementary on the described ring cowling (9), described ring cowling (9) is linked in an end of described rotary actuation cylinder (2) by described the second groove, described elastic component (5) supports on described ring cowling (9).
6. the cam-type as claimed in claim 5 instrument that axially spins, it is characterized in that: described shell body (7) is to consist of by the cylindrical tube (12) that is trapped among described rotary driving part and the impact part outside and with the integrated conical tube of described cylindrical tube (12) (13), described conical tube (13) the maximum inscribed circle diameter is less than the interior circular diameter of described cylindrical tube (12), thereby make described conical tube (13) that the end face (14) of protrusion be arranged with respect to described cylindrical tube (12) inner surface in described conical tube (13) and described cylindrical tube (12) junction, be lined with wear-resisting gasket ring (15) on the described end face (14); Be connected with connector (10) on described cylindrical tube (12) inner surface, be lined with between described connector (10) and the described ring cowling (9) and regulate gasket ring (11).
7. the cam-type as claimed in claim 6 instrument that axially spins, it is characterized in that: described conical tube (13) is provided with external screw thread or internal thread.
8. the cam-type as claimed in claim 1 instrument that axially spins, it is characterized in that: be interval with at least 2 arc-shaped depression portion that curvature of curved surface is identical on described the first cam bit (3), form the arc protuberance between the adjacent described arc-shaped depression portion, described the first cam bit (3) keeps radial level to contact with the contacted line style face of described the second cam bit (4).
9. the cam-type as claimed in claim 1 instrument that axially spins, it is characterized in that: the described cam-type instrument that axially spins also comprises flat key (16), have keyway on described driving shaft (1) periphery He on rotary actuation cylinder (2) inner headed face, be connected by described flat key (16).
10. the cam-type as claimed in claim 1 instrument that axially spins, it is characterized in that: described rotary actuation cylinder (2) periphery is provided with protruding key (17), have the keyway that is complementary with described protruding key (17) on the inner headed face of described the first cam bit (3), described driving cylinder (2) is connected with described the first cam bit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310261486.XA CN103306600B (en) | 2013-06-27 | 2013-06-27 | The axial instrument that spins of a kind of cam-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310261486.XA CN103306600B (en) | 2013-06-27 | 2013-06-27 | The axial instrument that spins of a kind of cam-type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103306600A true CN103306600A (en) | 2013-09-18 |
| CN103306600B CN103306600B (en) | 2016-02-10 |
Family
ID=49132277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310261486.XA Active CN103306600B (en) | 2013-06-27 | 2013-06-27 | The axial instrument that spins of a kind of cam-type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103306600B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863497A (en) * | 2015-04-20 | 2015-08-26 | 中国地质大学（武汉） | Drilling bit spiral impact device |
| CN105201403A (en) * | 2015-09-06 | 2015-12-30 | 四川省贝特石油技术有限公司 | Autonomous and efficient torque-constant and pressure-constant rock breaking tool |
| CN105386719A (en) * | 2015-11-24 | 2016-03-09 | 北京卫星制造厂 | Space all-rolling cam spring type impact mechanism |
| CN108742416A (en) * | 2018-06-01 | 2018-11-06 | 佛山市顺德区美的洗涤电器制造有限公司 | Automatic door opening system and household electrical appliance |
| CN108776072A (en) * | 2018-07-03 | 2018-11-09 | 四川文理学院 | Shock loading loading device, the pilot system and its test method for simulating shock loading |
| CN109441356A (en) * | 2019-01-08 | 2019-03-08 | 西南石油大学 | Hydroscillator based on cam and impeller |
| CN109538124A (en) * | 2019-01-08 | 2019-03-29 | 西南石油大学 | Ramp type impeller hydroscillator |
| CN109611028A (en) * | 2019-01-08 | 2019-04-12 | 西南石油大学 | Hydroscillator based on roller and impeller |
| CN109854164A (en) * | 2018-12-14 | 2019-06-07 | 中国科学院沈阳自动化研究所 | A kind of drilling rig and its drilling method |
| CN112461487A (en) * | 2020-12-08 | 2021-03-09 | 中国石油天然气集团有限公司 | Impact performance testing device for underground cam type axial impactor |
| CN112964458A (en) * | 2019-11-28 | 2021-06-15 | 中石化石油工程技术服务有限公司 | Performance testing device of rotary-punching screw impact mechanism |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB630049A (en) * | 1947-08-20 | 1949-10-04 | Snyder Oil Tool Corp | Improvements in or relating to a rotary impact drill |
| GB725175A (en) * | 1953-03-06 | 1955-03-02 | Charles John Durham Carruthers | Improvements in or relating to drilling arrangements for wells, bore-holes, shot-holes and the like |
| DE3910515A1 (en) * | 1989-04-01 | 1990-10-04 | Tracto Technik | SELF-DRIVABLE RAMM DRILLING DEVICE, ESPECIALLY FOR THE PRODUCTION OF TUBULAR EARTH HOLES |
| US20020185312A1 (en) * | 2001-05-03 | 2002-12-12 | Armell Richard A. | Impact tool |
| CN2643011Y (en) * | 2003-09-25 | 2004-09-22 | 中国北车集团大连机车研究所 | T series short needle-valve fuel injector for locomotive diesel engine |
| CN101333992A (en) * | 2008-07-30 | 2008-12-31 | 北京航空航天大学 | Electromagnetic control type fuel injecting nozzle |
| CN201988726U (en) * | 2011-03-28 | 2011-09-28 | 广州市昊志机电有限公司 | Bearing pre-tightening structure of high-speed electric main shaft |
| CN202040343U (en) * | 2011-05-16 | 2011-11-16 | 浙江精杰自动化仪表阀股份有限公司 | Pneumatic high pressure difference wear-resistant washing, regulating and shut-off butterfly valve |
-
2013
- 2013-06-27 CN CN201310261486.XA patent/CN103306600B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB630049A (en) * | 1947-08-20 | 1949-10-04 | Snyder Oil Tool Corp | Improvements in or relating to a rotary impact drill |
| GB725175A (en) * | 1953-03-06 | 1955-03-02 | Charles John Durham Carruthers | Improvements in or relating to drilling arrangements for wells, bore-holes, shot-holes and the like |
| DE3910515A1 (en) * | 1989-04-01 | 1990-10-04 | Tracto Technik | SELF-DRIVABLE RAMM DRILLING DEVICE, ESPECIALLY FOR THE PRODUCTION OF TUBULAR EARTH HOLES |
| US20020185312A1 (en) * | 2001-05-03 | 2002-12-12 | Armell Richard A. | Impact tool |
| CN2643011Y (en) * | 2003-09-25 | 2004-09-22 | 中国北车集团大连机车研究所 | T series short needle-valve fuel injector for locomotive diesel engine |
| CN101333992A (en) * | 2008-07-30 | 2008-12-31 | 北京航空航天大学 | Electromagnetic control type fuel injecting nozzle |
| CN201988726U (en) * | 2011-03-28 | 2011-09-28 | 广州市昊志机电有限公司 | Bearing pre-tightening structure of high-speed electric main shaft |
| CN202040343U (en) * | 2011-05-16 | 2011-11-16 | 浙江精杰自动化仪表阀股份有限公司 | Pneumatic high pressure difference wear-resistant washing, regulating and shut-off butterfly valve |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863497A (en) * | 2015-04-20 | 2015-08-26 | 中国地质大学（武汉） | Drilling bit spiral impact device |
| CN105201403A (en) * | 2015-09-06 | 2015-12-30 | 四川省贝特石油技术有限公司 | Autonomous and efficient torque-constant and pressure-constant rock breaking tool |
| CN105386719A (en) * | 2015-11-24 | 2016-03-09 | 北京卫星制造厂 | Space all-rolling cam spring type impact mechanism |
| CN105386719B (en) * | 2015-11-24 | 2017-06-27 | 北京卫星制造厂 | A kind of full roll cam spring-loaded impact mechanism in space |
| CN108742416A (en) * | 2018-06-01 | 2018-11-06 | 佛山市顺德区美的洗涤电器制造有限公司 | Automatic door opening system and household electrical appliance |
| CN108742416B (en) * | 2018-06-01 | 2021-09-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Automatic door opening system and household appliance |
| CN108776072A (en) * | 2018-07-03 | 2018-11-09 | 四川文理学院 | Shock loading loading device, the pilot system and its test method for simulating shock loading |
| WO2020118785A1 (en) * | 2018-12-14 | 2020-06-18 | 中国科学院沈阳自动化研究所 | Drilling device and drilling method therefor |
| CN109854164B (en) * | 2018-12-14 | 2024-05-17 | 中国科学院沈阳自动化研究所 | Drilling device and drilling method thereof |
| CN109854164A (en) * | 2018-12-14 | 2019-06-07 | 中国科学院沈阳自动化研究所 | A kind of drilling rig and its drilling method |
| CN109611028A (en) * | 2019-01-08 | 2019-04-12 | 西南石油大学 | Hydroscillator based on roller and impeller |
| CN109441356B (en) * | 2019-01-08 | 2020-08-28 | 西南石油大学 | Hydraulic oscillator based on cam and impeller |
| CN109538124A (en) * | 2019-01-08 | 2019-03-29 | 西南石油大学 | Ramp type impeller hydroscillator |
| CN109441356A (en) * | 2019-01-08 | 2019-03-08 | 西南石油大学 | Hydroscillator based on cam and impeller |
| CN112964458A (en) * | 2019-11-28 | 2021-06-15 | 中石化石油工程技术服务有限公司 | Performance testing device of rotary-punching screw impact mechanism |
| CN112461487A (en) * | 2020-12-08 | 2021-03-09 | 中国石油天然气集团有限公司 | Impact performance testing device for underground cam type axial impactor |
| CN112461487B (en) * | 2020-12-08 | 2022-06-07 | 中国石油天然气集团有限公司 | Impact performance testing device for underground cam type axial impactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103306600B (en) | 2016-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103306600B (en) | The axial instrument that spins of a kind of cam-type | |
| CN107542397B (en) | Coupling impactor for petroleum drilling | |
| CN109403866B (en) | High-frequency hydraulic pulse oscillation drag-reducing accelerator with high rate | |
| CN108590507B (en) | Rock breaking accelerating tool with hammer rod reciprocating self-impact structure | |
| CN108468514B (en) | Oscillating device for underground hydraulic oscillator | |
| CN102852455B (en) | Percussion drilling tool | |
| CN106894755A (en) | A kind of waterpower pulse formula is spun helicoid hydraulic motor | |
| CN105909166A (en) | Spiral double-stage compounding impacting device for drilling well speed raising and effect enhancing | |
| CN203742436U (en) | Dynamic disturbance drilling tool | |
| CN101581196B (en) | Impacting helicoid hydraulic motor and transmission shaft assembly | |
| CN108442883B (en) | Underground hydraulic oscillator | |
| CN103291213A (en) | Water pressure torsional impact device for well drilling | |
| CN206129207U (en) | Novel oscillatory surge ware based on turbine and cam | |
| CN106522843B (en) | A kind of drilling well hydro powered oscillator and application method | |
| CN201818241U (en) | Torsional impact drilling tool | |
| CN108547571B (en) | A kind of centering type torsion impact drilling tool | |
| CN201443299U (en) | Screw drill transmission shaft assembly with impact function | |
| CN112145110B (en) | Hydraulic pulse oscillation device | |
| CN107575158B (en) | Magnetic energy storage type rotary drilling impactor | |
| CN203271584U (en) | Well-drilling water-pressure torsional impact device | |
| CN211448586U (en) | Vibration drag reduction tool for well drilling | |
| CN104563859B (en) | Hydro-hammer | |
| CN107246238B (en) | Integrated impact downhole power drilling tool | |
| CN110056309A (en) | System of Rotating about Fixed Axis positive displacement power tool | |
| CN202140018U (en) | Twisting drilling hammer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |