CN109838205A - A kind of mechanical vibratory impulse motor - Google Patents
A kind of mechanical vibratory impulse motor Download PDFInfo
- Publication number
- CN109838205A CN109838205A CN201711208259.5A CN201711208259A CN109838205A CN 109838205 A CN109838205 A CN 109838205A CN 201711208259 A CN201711208259 A CN 201711208259A CN 109838205 A CN109838205 A CN 109838205A
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- China
- Prior art keywords
- impact body
- pipe nipple
- idler wheel
- shaft
- impact
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- 210000002445 nipple Anatomy 0.000 claims abstract description 29
- 230000035939 shock Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 2
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 description 12
- 238000009527 percussion Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of mechanical vibratory impulse motors, including motor pipe nipple and vibration transmission shaft pipe nipple, the vibration transmission shaft pipe nipple includes string bear box, string bearing, output shaft, extension shaft, spring housing, spring body, lock sleeve, latch segment, upper impact body, lower impact body, bit adapter, centralizer shell and idler wheel.Output shaft lower end and lengthening axis connection, extension shaft is connect with bit adapter spline, the guide frame of upper impact body is matched with centralizer shell guide groove, upper impact body lower circumference uniformly has the idler wheel of sliding bearing, lower impact body lower part is fixedly connected with bit adapter, and lower impact body upper surface is evenly distributed with and the shock surface of idler wheel cooperation.The impact of its vibration impact device and accumulation of energy process are completed at the same time, and the occupancy motor rotation period time is short, are exported pulsed shock loading, are remarkably improved the stock-removing efficiency of drill bit.
Description
Technical field
The present invention relates to oilfield drilling technical field of tools more particularly to a kind of mechanical vibratory impulse motors.
Background technique
Under the conditions of current drilling technology, screw motor is raising machine with PDC drill bit and turntable double drive combined drilling
The effective way of tool drilling speed, but for abrasiveness and brittle property stratum, rate of penetration is in urgent need to be improved, and reason is mainly rock stratum
Hardness is high, and PDC drill bit is in a swing circle, and drill bit is in blocked portion and sliding mode occupies more time, cannot be effectively
Uniform wedging stratum, stock-removing efficiency is low, causes rate of penetration low.Research shows that: to drill bit application certain frequency and suitably greatly
Small axial impact loading can effectively improve this blocked portion and sliding mode of drill bit, enable drill bit more effectively wedging stratum,
To significantly improve rate of penetration.
Currently, some screw motors with impact function have been developed both at home and abroad, working principle mainly by
Screw drive shaft position increases percussion mechanism, and percussion mechanism is direct using two disk-like structures with certain flute profile being coupled
Or intermeshing, one of disk-like structure are connect with motor shell indirectly, can produce axial displacement, another is by screw drive axis
Driving rotation, generates impact because flute profile directly or indirectly interacts in the relative rotational motion of two disk-like structures, and one
A impact duty cycle includes two courses of work of accumulation of energy and impact, and the impact motor of this structure is occupied there are accumulation of energy process to be bored
The more problem of head spin cycle time, generally affects the rotation output effect of motor, while percussion mechanism restricted lifetime.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of mechanical vibratory impulse motor, the storage of motor vibrations percussion mechanism
It can be carried out simultaneously with impact process, substantially reduce vibratory impulse process and occupy the motor rotation period time, make screw motor defeated
Out while rotation torque, export the axial vibration shock loading of pulsed, improve drill bit blocked portion and sliding mode more added with
Effect reaches the mesh for improving drilling machinery drilling speed to improve PDC drill bit for the efficiency of breaking rock of abrasiveness and brittle property stratum
's.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of mechanical vibratory impulse motor, including motor pipe nipple 3 and vibration transmission shaft pipe nipple 5, extension shaft 502, spring housing
503, spring body 504, lock sleeve 505, latch segment 506, upper impact body 507, lower impact body 508, bit adapter 509, centralizer
Shell 511, idler wheel 512；The vibration transmission shaft pipe nipple 5 includes string bear box 515 and is arranged in string bear box 515
String bearing 516 and output shaft 501；
503 upper end of spring housing and string bear box 515 are connected, and lower end and centralizer shell 511 are connected and constitute external knot
Structure；
It is spline at the top of the bit adapter 509, middle part is outer connection screw thread, sets drill bit thread in lower part；
The extension shaft 502 is ducted body, and the upper end and output shaft 501 are connected, and lower end has outer convex edge, and lower end connects with drill bit
Division center is constituted after the connection of first 509 top spline；
It is the through-hole of undergauge among 511 top of centralizer shell, through-hole wall is circumferentially evenly distributed with 2-6 rectangle guide groove
511a；
The upper impact body 507 is the cylinder that lower part is slightly thick, top band opens keyway arrangements, cylinder lower section thick barrel outer surface week
To 2-6 arc groove is inwardly evenly distributed with, idler wheel 512 is connected in each arc groove by roller shaft 507c connection, on cylinder
The axial mating opening guide groove 507b of portion's setting and the rectangle guide groove 511a of 511 through-hole wall of centralizer shell,
Locking slot 507a, latch segment 506 and lock sleeve 505 is arranged in the upper end each guide groove 507b two sides and locking slot 507a is constituted and locked
Fixed cooperation；
Lower impact body 508 is shell-like cylinder, and upper section end sets interior convex edge, convex edge structure outside the interior convex edge and 502 lower end of extension shaft
At stopping to cooperate, upper surface is multiple arc-shaped bumps shock surface 508a that cooperation is rolled with idler wheel 512, lower end and bit adapter
509 are connected；
Spring body 504, upper impact body 507 and lower impact body 508 be successively set on from top to bottom external structure and division center it
Between annular space in.
Above scheme further comprises:
Alignment bearing 510 is equipped between centralizer shell 511 and lower impact body 508.
The 508 lower section outer wall of lower impact body is hard alloy layer 508b；511 outer wall of centralizer shell is axially uniformly distributed
A plurality of straight type or screw type arc section sink 511b, top and bottom are using threaded connection, and lower end is left-hand thread connection screw thread.
Universal shaft pipe nipple 4 is also connected between motor pipe nipple 3 and vibration transmission shaft pipe nipple 5.
Spring pocket 514 is set outside spring body 504.
The present invention compared with the existing technology, have it is following the utility model has the advantages that
1, while output torque, axial vibratory shock load can be exported, the blocked portion and sliding mode of drill bit can be effectively improved,
To improve drill bit for the efficiency of breaking rock of abrasiveness and brittle property stratum, achieve the purpose that improve drilling machinery drilling speed.
2, the impact of its vibration impact device and accumulation of energy process are completed at the same time, and the occupancy motor rotation period time is short, output
Shock loading is more effective to the blocked portion and sliding mode that improve drill bit close to pulsed.
3, its vibration impact device uses sliding bearing and roller structure, and has blank-run prevention device, percussion mechanism
Service life significantly extends.
Detailed description of the invention
Fig. 1 is a kind of mechanical vibratory impulse motor vibrations transmission shaft pipe nipple complete section structure chart；
Fig. 2 is a kind of mechanical vibratory impulse motor vibrations transmission shaft pipe nipple shell cutting structure chart；
Fig. 3 is sectional view at A-A in Fig. 1；
Fig. 4 is lower impact body structure chart；
Fig. 5 is upper impact body structure chart；
Fig. 6 is centralizer shell structure figure.
In upper figure: by-passing valve 1, anti-lost pipe nipple 2, motor pipe nipple 3, universal shaft pipe nipple 4, vibration transmission shaft pipe nipple 5, output shaft
501, extension shaft 502, spring housing 503, spring body 504, lock sleeve 505, latch segment 506, upper impact body 507, lower impact body
508, bit adapter 509, alignment bearing 510, centralizer shell 511, idler wheel 512, roller cap 513, spring pocket 514, string bearing
Shell 515, string bearing 516, recessed shock surface 508a, hard alloy layer 508b, locking slot 507a, guide groove 507b, bearing axis
507c, outer guide groove 511a, sink 511b.
Specific embodiment
As shown in Figure 1 and Figure 2, a kind of mechanical vibratory impulse motor that the present invention mentions, including by-passing valve 1, anti-lost pipe nipple
2, motor pipe nipple 3, universal shaft pipe nipple 4 and vibration transmission shaft pipe nipple 5.The by-passing valve 1, anti-lost pipe nipple 2, motor pipe nipple 3 and ten thousand
Conventional screw motor sub-assembly is borrowed to axis pipe nipple 4.
Vibration transmission shaft pipe nipple 5 includes output shaft 501, extension shaft 502, spring housing 503, spring body 504, lock sleeve
505, latch segment 506, upper impact body 507, lower impact body 508, bit adapter 509, alignment bearing 510, centralizer shell 511,
Idler wheel 512, roller cap 513, spring pocket 514, string bear box 515 and string bearing 516.String bear box 515, string bearing 516
It is identical as conventional screw motor with 501 superstructure of output shaft.Spring housing 503, centralizer shell 511 and alignment bearing 510
It is successively threadedly coupled with string bear box 515, opposite motor shell is static.Output shaft lower end 501 and 502 threaded upper ends of extension shaft
Connection, 502 lower end of extension shaft are connect with 509 upper end spline of bit adapter, and extension shaft 502 can be transmitted to bit adapter 509 and be turned round
Square simultaneously can axially generate relative displacement.Upper 507 top of impact body and latch segment 505, lock sleeve 506 are combined into closed guiding
Slot 507b is matched with the outer guide groove 511a of centralizer shell 511, may only axially be moved up and down, displacement is simultaneously limited
System, lower circumference uniformly have the idler wheel 512 of sliding bearing.It is screwed in the middle part of lower 508 lower part of impact body and bit adapter 509
It connects, convex edge can be suspended on convex edge outside 502 lower part of extension shaft in upper end, support drill bit and 509 weight of bit adapter, thereon end face
Uniformly distributed arc-shaped recessed shock surface 508a identical with number of rollers, since upper arrangement 504 precompressed of spring body above of impact body 507 stores
Can, when idler wheel 512 is along lower 508 upper surface relative rolling of impact body, when shock surface 508a recessed by arc-shaped, generates axial impact
With joint efforts, impact resultant force is applied on bit adapter 509 and drill bit, with the continuous rotation of bit adapter 509, lower impact body 508
It is impacted by idler wheel, motor continuously exports vibratory shock load.
Bit adapter 509 is hollow revolving body, and centre is drilling fluid runner, and lower inside is drill bit connection screw thread, middle part
Outside is connection screw thread, and for being fixedly connected with lower impact body, upper outside is external splines, is matched with extension shaft internal spline.
Extension shaft 502 is the slightly thick hollow cylinder in lower end, and centre is drilling fluid runner, and convex edge face is for hanging on the butt end of lower part
Lower impact body is hung, inside is internal spline, is matched with bit adapter external splines, and upper outside is connection screw thread, solid with output shaft
Fixed connection.
As shown in figure 4, lower impact body 508 is shell-like cylinder, it is the smaller through-hole of diameter among upper section end, upper surface is
Idler wheel is in rolling contact face, circumferential uniformly distributed multiple recessed shock surface 508a of arc-shaped, and convex edge face is for hanging load-bearing in upper end, in lower section
Hole is connection screw thread, and for connecting bit adapter, lower section lateral wall is that hard alloy layer 508b is used as alignment bearing inner ring.
As shown in figure 5, upper impact body 507 is the barrel that the lower part top Lve Cu is open spline slot structure, cylinder lower section
Side is inwardly evenly distributed with endless groove, and circle ring center is less than annulus exradius away from lower end surface distance, and difference is greater than lower impact body circular arc
Cup depth, endless groove intermediate cylinder are bearing axis 507c, are threaded holes among bearing axis, for connecting roller cap, upper section is equal
Cloth runs through the opening guide groove 507b of wall body, is locking slot 507a in the nearly both sides of the upper end of each guide groove 507b, for connecting
Latch segment forms closing guide frame, which is oriented to for upper impact body, only moves up and down, and limiting displacement
Size.
As shown in fig. 6, the axial uniformly distributed a plurality of straight type in 511 outside of centralizer shell or screw type circular cross-section sink 511b,
It is connection screw thread on the outside of upper end, lower end inside is left-hand thread connection screw thread, is the smaller through-hole of diameter, through-hole wall among upper end
The outer guide groove 511a of the multiple rectangles of radial equipartition, penetrates through upper surface to lower convex edge, matches with upper impact body guide groove 507b.
This mechanical vibratory impulse motor use process is as follows: terminate PDC drill bit under mechanical vibratory impulse motor, be coupled
In the bottom of well drilling pipe column, under vacant state, drill bit and bit adapter 509 hang on extension shaft by lower impact body 508
502 lower part butt ends, 502 internal spline structure of extension shaft and 509 external splines of bit adapter are intermeshed, circulating drilling under such state
Liquid, motor output torque do not export impact；Under get into after shaft bottom applies bit pressure, flower outside 502 end face of extension shaft and bit adapter 509
Key lower part convex edge face contact, lower 508 upper surface of impact body is contacted with idler wheel 512, and 504 accumulation of energy of holddown spring body, such state
Lower circulating fluid, motor output torque, idler wheel 512 descend 508 upper surface of impact body to do circumference rolling relatively, recessed by circular arc
When shock surface 508a, 504 accumulation of energy of spring body release simultaneously generates impact accumulation of energy again simultaneously, and impact and accumulation of energy process are completed at the same time,
Export pulsed shock loading.
Claims (5)
1. a kind of mechanical vibratory impulse motor, including motor pipe nipple (3) and vibration transmission shaft pipe nipple (5), the vibration transmission
Axis pipe nipple (5) includes the string bearing (516) and output shaft of string bear box (515) and setting in string bear box (515)
(501), it is characterized in that further include: extension shaft (502), spring housing (503), spring body (504), lock sleeve (505), latch segment
(506), upper impact body (507), lower impact body (508), bit adapter (509), centralizer shell (511) and idler wheel (512)；
Spring housing (503) upper end and string bear box (515) are connected, and lower end and centralizer shell (511) are connected and constitute
External structure；
It is spline at the top of the bit adapter (509), middle part is outer connection screw thread, sets drill bit thread in lower part；
The extension shaft (502) is ducted body, and the upper end and output shaft (501) are connected, and lower end has outer convex edge, lower end and brill
Division center is constituted after spline connection at the top of head connector (509)；
It is the through-hole of undergauge among centralizer shell (511) top, through-hole wall is circumferentially evenly distributed with 2-6 rectangle guide groove
(511a)；
The upper impact body (507) is the cylinder that lower part is slightly thick, top band opens keyway arrangements, the thick barrel outer surface of cylinder lower section
Circumferential to be inwardly evenly distributed with 2-6 arc groove, idler wheel (512) is connected in each arc groove by roller shaft (507c),
The axial mating open guiding of rectangle guide groove (511a) of the setting of cylinder top and centralizer shell (511) through-hole wall
Locking slot (507a) is arranged in the upper end two sides each guide groove (507b), latch segment (506) and lock sleeve in slot (507b)
(505) lock fit is constituted with locking slot (507a)；
Lower impact body (508) is shell-like cylinder, and upper section end sets interior convex edge, the interior convex edge and extension shaft (502) lower end evagination
Along constitute stop cooperation, upper surface be with idler wheel (512) roll cooperation multiple arc-shaped bumps shock surfaces (508a), lower end with
Bit adapter (509) is connected；
Spring body (504), upper impact body (507) and lower impact body (508) are successively set on external structure and center from top to bottom
In annular space between structure.
2. a kind of mechanical vibratory impulse motor according to claim 1, it is characterized in that: in centralizer shell (511) and
Alignment bearing (510) are equipped between lower impact body (508).
3. a kind of mechanical vibratory impulse motor according to claim 1 or 2, it is characterized in that: the lower impact body (508)
Lower section outer wall is hard alloy layer (508b)；Centralizer shell (511) outer wall is axially evenly distributed with a plurality of straight type or screw type arc
Section sink (511b), top and bottom are using threaded connection, and lower end is left-hand thread connection screw thread.
4. a kind of mechanical vibratory impulse motor according to claim 1 or 2, it is characterized in that: in motor pipe nipple (3) and vibration
Universal shaft pipe nipple (4) are also connected between dynamic transmission shaft pipe nipple (5).
5. a kind of mechanical vibratory impulse motor according to claim 1 or 2, it is characterized in that: external in spring body (504)
It is arranged spring pocket (514).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711208259.5A CN109838205A (en) | 2017-11-27 | 2017-11-27 | A kind of mechanical vibratory impulse motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711208259.5A CN109838205A (en) | 2017-11-27 | 2017-11-27 | A kind of mechanical vibratory impulse motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109838205A true CN109838205A (en) | 2019-06-04 |
Family
ID=66879088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711208259.5A Pending CN109838205A (en) | 2017-11-27 | 2017-11-27 | A kind of mechanical vibratory impulse motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109838205A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU478927A1 (en) * | 1971-12-06 | 1975-07-30 | Double-acting hydraulic hammer | |
| DE69309607D1 (en) * | 1992-10-28 | 1997-05-15 | Csir | Bearing assembly made of diamond |
| US5984029A (en) * | 1997-02-06 | 1999-11-16 | Baker Hughes Incorporated | High-load hydraulic disconnect |
| CN1502781A (en) * | 2002-11-22 | 2004-06-09 | 石油大学(北京) | Storage lubricant compensated rubber sealed transmission shaft with cylinder roller thrust bearing |
| CN103375133A (en) * | 2012-04-13 | 2013-10-30 | 长江大学 | Down-hole displacement percussion drilling tool |
| CN103410436A (en) * | 2013-08-23 | 2013-11-27 | 中煤科工集团重庆研究院 | Blowout-preventing anti-backflow transmission shaft assembly for down-hole motor |
| CN204139963U (en) * | 2014-09-28 | 2015-02-04 | 扬州天业石油机械有限公司 | A kind of drop preventing mechanism of screw drill transmission shaft assembly |
| CN107386962A (en) * | 2017-08-28 | 2017-11-24 | 长江大学 | A kind of microseism transmitter pipe nipple |
| CN208564425U (en) * | 2017-11-27 | 2019-03-01 | 中石化石油工程技术服务有限公司 | A kind of mechanical vibratory impulse motor |
-
2017
- 2017-11-27 CN CN201711208259.5A patent/CN109838205A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU478927A1 (en) * | 1971-12-06 | 1975-07-30 | Double-acting hydraulic hammer | |
| DE69309607D1 (en) * | 1992-10-28 | 1997-05-15 | Csir | Bearing assembly made of diamond |
| US5984029A (en) * | 1997-02-06 | 1999-11-16 | Baker Hughes Incorporated | High-load hydraulic disconnect |
| CN1502781A (en) * | 2002-11-22 | 2004-06-09 | 石油大学(北京) | Storage lubricant compensated rubber sealed transmission shaft with cylinder roller thrust bearing |
| CN103375133A (en) * | 2012-04-13 | 2013-10-30 | 长江大学 | Down-hole displacement percussion drilling tool |
| CN103410436A (en) * | 2013-08-23 | 2013-11-27 | 中煤科工集团重庆研究院 | Blowout-preventing anti-backflow transmission shaft assembly for down-hole motor |
| CN204139963U (en) * | 2014-09-28 | 2015-02-04 | 扬州天业石油机械有限公司 | A kind of drop preventing mechanism of screw drill transmission shaft assembly |
| CN107386962A (en) * | 2017-08-28 | 2017-11-24 | 长江大学 | A kind of microseism transmitter pipe nipple |
| CN208564425U (en) * | 2017-11-27 | 2019-03-01 | 中石化石油工程技术服务有限公司 | A kind of mechanical vibratory impulse motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210923 Address after: 100027 Chaoyangmen North Street, Chaoyang District, Chaoyang District, Beijing Applicant after: SINOPEC Group Applicant after: SINOPEC OILFIELD SERVICE Corp. Applicant after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant after: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant before: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute |
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| TA01 | Transfer of patent application right |