CN205154008U - Dish spring formula drilling tool that spins - Google Patents
Dish spring formula drilling tool that spins Download PDFInfo
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- CN205154008U CN205154008U CN201520842589.XU CN201520842589U CN205154008U CN 205154008 U CN205154008 U CN 205154008U CN 201520842589 U CN201520842589 U CN 201520842589U CN 205154008 U CN205154008 U CN 205154008U
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Abstract
The utility model provides a dish spring formula drilling tool that spins belongs to oil and natural gas well drilling field. This dish spring formula drilling tool that spins is including shell body, the transition shell of the coaxial line that connects gradually and prevent falling the casing, shell body, transition shell and preventing fall the hole intercommunication of casing, form the inner chamber, be equipped with the center tube and the transmission shaft of coaxial line in the inner chamber, the bottom entry of center tube is to the transmission shaft in to be connected with the transmission shaft, the lower extreme of transmission shaft stretches out the inner chamber outside, from last dish spring abutment, dish spring, gyro wheel seat, gyro wheel and the cam installed in proper order extremely down on the center tube, insert in the cam upper end of transmission shaft to be connected with the cam, be equipped with domaticly on the up end of cam, the gyro wheel is installed in the gyro wheel seat, the last end face contaction of its lower part and cam.
Description
Technical field
The utility model belongs to oil and gas well drilling field, is specifically related to a kind of disk spring type spin drilling tool.
Background technology
Constantly increase at oil and gas industry drilling depth, deep-well, ultradeep well get more and more, and along with the increase of drilling depth, lithostratigraphy confined pressure also constantly raises, and causes rock difficult all the more, and drilling efficiency reduces greatly.Improve drilling efficiency, shorten the core striving direction that drilling period is drilling engineering, experiment proof can significantly improve efficiency of breaking rock to the ballistic work that rock applies certain frequency while rotating broken rock.Field experiment result shows in deep-well and ultradeep well, adopt rotating drilling technology can improve rate of penetration more than 30%.The key of rotating drilling installs an impactor in nearly bit location, makes drilling tool while rotation, produce axial impact force and act on drill bit.
The spin drilling tool of current use is primarily of hydraulic impacter and pneumatic down-hole hammer, although improve the efficiency of breaking rock on crisp rigid stratum, but itself seal request is high, and need the special set of system being equipped with complexity, cannot directly apply to directly support the use with helicoid hydraulic motor in conventional drilling.
Utility model content
The purpose of this utility model is to solve deep-well, ultradeep well breaks rock difficulty, the problem that rate of penetration is low, provides a kind of disk spring type spin drilling tool.
The utility model is achieved through the following technical solutions:
A kind of disk spring type spin drilling tool, comprises the shell body of the coaxial line connected successively, transition outer casing and anti-lost housing; Described shell body, transition outer casing are communicated with the endoporus of anti-lost housing, form inner chamber;
Central tube and the power transmission shaft of coaxial line is provided with in described inner chamber; The lower end of described central tube is inserted in power transmission shaft, and is connected with power transmission shaft; The lower end of described power transmission shaft reaches lumen outer;
Described central tube is provided with disc spring seat, disc spring, roller mount, roller and cam from top to bottom successively; The upper end of described power transmission shaft is inserted in cam, and is connected with cam;
The upper surface of described cam is provided with domatic, roller is arranged in roller mount, and its underpart contacts with the upper surface of cam.
The lower end inner surface of described shell body is connected with the upper end inner surface of transition outer casing; The lower end inner surface of described transition outer casing is connected with the upper end external surface of anti-lost housing;
Described disc spring seat and central tube are by screwed connection, and disc spring and roller mount are flexibly connected with central tube, and described disc spring seat is withstood in the upper end of disc spring, and described roller mount is withstood in lower end.
Described roller mount bottom is provided with equally distributed circular groove in the circumferential; Described roller is arranged in described circular groove, the axis of roller and the axes normal of roller mount;
Be provided with equally distributed rectangular recess in the circumferential on the top of described roller mount, the length direction of described rectangular recess is parallel with the axis of roller mount, and adjacent rectangular recess and circular groove differ 45 ° in the circumferential.
The outline of described circular groove to be central angle the be circular arc of 200 °.
Be provided with equally distributed projecting splines in the circumferential in the upper end of described transition outer casing, described projecting splines is protruding in the middle part of inner chamber; A described projecting splines is inserted in a rectangular recess on described roller mount top, and projecting splines can move by the axial reciprocating along roller mount in rectangular recess.
Radially have equally distributed groove in the circumferential in the upper surface of described cam, two sidewalls of each described groove are outward-dipping, formed described domatic.
The endoporus on the top of described power transmission shaft is set to hexagonal hole, and the external surface of the bottom of central tube is set to outer hexagon, and the outer hexagon of central tube bottom is inserted in the hexagonal hole on power transmission shaft top, and central tube and power transmission shaft in the axial direction can relative slidings.
Described anti-lost housing is enclosed within outside described power transmission shaft, and the lower end of power transmission shaft reaches the outside, lower surface of anti-lost housing; The lower end of described anti-lost housing and the external surface of described power transmission shaft are tightly connected, between described anti-lost housing and power transmission shaft, be provided with wearing bush;
Screwed connection is passed through in the lower end of described transition outer casing and the upper end of anti-lost housing; The lower end of described shell body and transition outer casing are by screwed connection, and the curved housing of upper end and helicoid hydraulic motor is by screwed connection, and the top of central tube and the universal drive shaft of helicoid hydraulic motor pass through screwed connection;
The lower end of described power transmission shaft is connected with drill bit, and the external surface of upper end and the inner surface of cam pass through screwed connection.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model adopts disc spring to produce axial impact force, improves drill bit efficiency of breaking rock, improves rate of penetration;
(2) frame for movement is simple and reliable;
(3) directly and the power section of helicoid hydraulic motor with the use of, service condition is simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of disk spring type spin drilling tool of the utility model;
Fig. 2 is the three-dimensional structure schematic diagram of roller mount, roller and cam
Fig. 3 is Figure 1A-A cross-sectional view;
Fig. 4 is Figure 1B-B cross-sectional view;
In figure: 1. shell body, 2. disc spring seat, 3. disc spring, 4. central tube, 5. roller mount, 6. roller, 7. cam, 8. transition outer casing, 9. anti-lost housing, 10. wearing bush, 11. power transmission shafts.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of disk spring type spin drilling tool of the utility model, comprises shell body 1, disc spring seat 2, disc spring 3, central tube 4, roller mount 5, roller 6, cam 7, transition outer casing 8, anti-lost housing 9, wearing bush 10 and power transmission shaft 11.Described power transmission shaft 11 lower end and drill bit screwed connection, upper end and cam 7 screwed connection; Power transmission shaft 11 upper end endoporus is set to hexagonal hole, and central tube 4 lower end is set to outer six sides, and, six sides insert in the hexagonal holes of power transmission shaft 11 upper end central tube 4 the lower end outside, and central tube 4 and power transmission shaft 11 axis can relative slidings; Wearing bush 10 inserts anti-lost housing 9 inner chamber, and anti-lost housing 9 is inserted in the middle part of power transmission shaft 11; Four rolling 6 is arranged in the circular groove of four, roller mount 5 bottom, and the axle of roller is vertical with the axle of roller mount; Roller mount 5 is inserted in central tube 4 together with roller 6, and roller 6 contacts with cam 7 upper surface; Transition outer casing 8 lower end and anti-lost housing 9 upper end screwed connection; Some groups of disc springs 3 are inserted in central tube 4, are arranged on roller mount 5 upper surface, disc spring seat 2 and central tube 4 top screwed connection; Shell body 1 lower end and transition outer casing 8 screwed connection, the curved housing screwed connection of upper end and helicoid hydraulic motor, the universal drive shaft screwed connection of central tube 4 top and helicoid hydraulic motor.
As shown in Figure 1, Figure 2 and Figure 3, roller mount 5 bottom circumference evenly arranges four circular grooves, circular groove gabarit to be central angle the be circular arc of 200 °, roller mount 5 top circumference evenly arranges four rectangular recess, the length direction of rectangular recess is parallel with the axis of roller mount, adjacent rectangular recess and circular groove circumference difference 45 °; Four rolling 6 is arranged in the circular groove of four, roller mount 5 bottom; Cam 7 upper surface be set to circumference equally distributed four domatic, namely radially have four grooves, the two side of groove be outward-dipping; Transition outer casing 8 upper end endoporus circumference evenly arranges four projecting splines, and transition outer casing 8 four projecting splines are inserted in the rectangular recess of four, roller mount 5 top, and during work, spline moves back and forth vertically in groove.
As shown in Figure 1 and Figure 4, power transmission shaft 11 upper end endoporus is set to hexagonal hole, and central tube 4 lower end is set to outer six sides, and outer six sides of central tube 4 lower end insert in the hexagonal hole of power transmission shaft 11 upper end.
The operating principle of a kind of disk spring type spin drilling tool of the utility model is: cardan shaft driving central tube 4 and the power transmission shaft 11 of helicoid hydraulic motor rotate; Cam 7 rotates together with power transmission shaft 11, makes roller 6 not stop climbing in cam 7 upper surface and fall, roller mount 5 axially reciprocating together with roller 6 in this process, periodically compresses disc spring 3; Roller 6 is fallen low spot from cam 7 upper surface height point at every turn and is all impacted effect to cam 7, and this impact force passes to drill bit by power transmission shaft 11.
Technique scheme is a kind of embodiment of the present utility model, for those skilled in the art, on the basis that the utility model discloses principle, be easy to make various types of improvement or distortion, and the structure be not limited only to described by the above-mentioned specific embodiment of the utility model, therefore previously described just preferred, and not there is the meaning of limited part.
Claims (8)
1. a disk spring type spin drilling tool, is characterized in that: described disk spring type spin drilling tool comprises the shell body of the coaxial line connected successively, transition outer casing and anti-lost housing; Described shell body, transition outer casing are communicated with the endoporus of anti-lost housing, form inner chamber;
Central tube and the power transmission shaft of coaxial line is provided with in described inner chamber; The lower end of described central tube is inserted in power transmission shaft, and is connected with power transmission shaft; The lower end of described power transmission shaft reaches lumen outer;
Described central tube is provided with disc spring seat, disc spring, roller mount, roller and cam from top to bottom successively; The upper end of described power transmission shaft is inserted in cam, and is connected with cam;
The upper surface of described cam is provided with domatic, roller is arranged in roller mount, and its underpart contacts with the upper surface of cam.
2. disk spring type spin drilling tool according to claim 1, is characterized in that: the lower end inner surface of described shell body is connected with the upper end inner surface of transition outer casing; The lower end inner surface of described transition outer casing is connected with the upper end external surface of anti-lost housing;
Described disc spring seat and central tube are by screwed connection, and disc spring and roller mount are flexibly connected with central tube, and described disc spring seat is withstood in the upper end of disc spring, and described roller mount is withstood in lower end.
3. disk spring type spin drilling tool according to claim 2, is characterized in that: described roller mount bottom is provided with equally distributed circular groove in the circumferential; Described roller is arranged in described circular groove, the axis of roller and the axes normal of roller mount;
Be provided with equally distributed rectangular recess in the circumferential on the top of described roller mount, the length direction of described rectangular recess is parallel with the axis of roller mount, and adjacent rectangular recess and circular groove differ 45 ° in the circumferential.
4. disk spring type spin drilling tool according to claim 3, is characterized in that: the outline of described circular groove to be central angle the be circular arc of 200 °.
5. disk spring type spin drilling tool according to claim 4, is characterized in that: be provided with equally distributed projecting splines in the circumferential in the upper end of described transition outer casing, and described projecting splines is protruding in the middle part of inner chamber; A described projecting splines is inserted in a rectangular recess on described roller mount top, and projecting splines can move by the axial reciprocating along roller mount in rectangular recess.
6. disk spring type spin drilling tool according to claim 5, is characterized in that: radially have equally distributed groove in the circumferential in the upper surface of described cam, and two sidewalls of each described groove are outward-dipping, formed described domatic.
7. according to the arbitrary described disk spring type spin drilling tool of claim 1 to 6, it is characterized in that: the endoporus on the top of described power transmission shaft is set to hexagonal hole, the external surface of the bottom of central tube is set to outer hexagon, the outer hexagon of central tube bottom is inserted in the hexagonal hole on power transmission shaft top, and central tube and power transmission shaft in the axial direction can relative slidings.
8. disk spring type spin drilling tool according to claim 7, is characterized in that: described anti-lost housing is enclosed within outside described power transmission shaft, and the lower end of power transmission shaft reaches the outside, lower surface of anti-lost housing; The lower end of described anti-lost housing and the external surface of described power transmission shaft are tightly connected, between described anti-lost housing and power transmission shaft, be provided with wearing bush;
Screwed connection is passed through in the lower end of described transition outer casing and the upper end of anti-lost housing; The lower end of described shell body and transition outer casing are by screwed connection, and the curved housing of upper end and helicoid hydraulic motor is by screwed connection, and the top of central tube and the universal drive shaft of helicoid hydraulic motor pass through screwed connection;
The lower end of described power transmission shaft is connected with drill bit, and the external surface of upper end and the inner surface of cam pass through screwed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520842589.XU CN205154008U (en) | 2015-10-28 | 2015-10-28 | Dish spring formula drilling tool that spins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520842589.XU CN205154008U (en) | 2015-10-28 | 2015-10-28 | Dish spring formula drilling tool that spins |
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| Publication Number | Publication Date |
|---|---|
| CN205154008U true CN205154008U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520842589.XU Active CN205154008U (en) | 2015-10-28 | 2015-10-28 | Dish spring formula drilling tool that spins |
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| CN (1) | CN205154008U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100541A (en) * | 2017-05-05 | 2017-08-29 | 中国石油大学(华东) | A kind of impact type drilling tool by producing the pressure of the drill disturbance |
| CN107120062A (en) * | 2017-07-13 | 2017-09-01 | 西南石油大学 | A kind of high speed impact drilling tool |
| CN108386142A (en) * | 2018-03-20 | 2018-08-10 | 西南石油大学 | A kind of punching torsion coupling drag reduction antifriction tool |
| CN112832689A (en) * | 2021-03-25 | 2021-05-25 | 中国石油天然气集团有限公司 | Drill stem rotary directional control drilling tool |
| CN113931576A (en) * | 2021-12-17 | 2022-01-14 | 四川深远石油钻井工具股份有限公司 | Punching and cutting composite drilling tool |
-
2015
- 2015-10-28 CN CN201520842589.XU patent/CN205154008U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100541A (en) * | 2017-05-05 | 2017-08-29 | 中国石油大学(华东) | A kind of impact type drilling tool by producing the pressure of the drill disturbance |
| CN107100541B (en) * | 2017-05-05 | 2019-08-09 | 中国石油大学(华东) | A Percussive Drilling Tool Generated by Pressure-on-Bit Disturbance |
| CN107120062A (en) * | 2017-07-13 | 2017-09-01 | 西南石油大学 | A kind of high speed impact drilling tool |
| CN107120062B (en) * | 2017-07-13 | 2018-12-21 | 西南石油大学 | A kind of high speed impact drilling tool |
| CN108386142A (en) * | 2018-03-20 | 2018-08-10 | 西南石油大学 | A kind of punching torsion coupling drag reduction antifriction tool |
| CN112832689A (en) * | 2021-03-25 | 2021-05-25 | 中国石油天然气集团有限公司 | Drill stem rotary directional control drilling tool |
| CN113931576A (en) * | 2021-12-17 | 2022-01-14 | 四川深远石油钻井工具股份有限公司 | Punching and cutting composite drilling tool |
| CN113931576B (en) * | 2021-12-17 | 2022-03-11 | 四川深远石油钻井工具股份有限公司 | Punching and cutting composite drilling tool |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |