CN104196521A - Rotary valve mud-pulse generator - Google Patents
Rotary valve mud-pulse generator Download PDFInfo
- Publication number
- CN104196521A CN104196521A CN201410364482.9A CN201410364482A CN104196521A CN 104196521 A CN104196521 A CN 104196521A CN 201410364482 A CN201410364482 A CN 201410364482A CN 104196521 A CN104196521 A CN 104196521A
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- CN
- China
- Prior art keywords
- shaped seal
- seal ring
- ring
- armature spindle
- pushing out
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Abstract
The invention discloses a rotary valve mud-pulse generator which comprises an outer cylinder, a rotor shaft and a sealing component. An oiling hole is formed in the outer cylinder, the rotor shaft is arranged in the outer cylinder through a bearing, and the sealing component is arranged on the rotor shaft in a sliding mode. The sealing component comprises an outer V-shaped sealing ring, an inner V-shaped sealing ring, an outer supporting ring, an inner supporting ring and a sliding sleeve. The outer supporting ring and the inner supporting ring are arranged on the two sides of the sliding sleeve, the outer V-shaped sealing ring is located between the sliding sleeve and the outer supporting ring, and the outer V-shaped sealing ring, the rotor shaft and the inner wall of the outer cylinder are sealed. The inner V-shaped sealing ring is arranged between the sliding sleeve and the inner supporting ring, and the inner V-shaped sealing ring, the rotor shaft and the inner wall of the outer cylinder are sealed. The lip of the outer V-shaped sealing ring and the lip of the inner V-shaped sealing ring are opposite. The rotary valve mud-pulse generator is better in sealing performance and more reliable.
Description
Technical field
The present invention relates to oil drilling equipment field, in particular to a kind of rotary valve mud pulse generator.
Background technology
Rotary valve mud pulse generator produces pressure pulse signal by its rotor with respect to the rotation of stator, and data-signal is sent to ground.The rotor of rotary valve mud pulse generator can fast rotational, and the pulse that can produce upper frequency, has higher transmission speed.But due to the restriction of rotary valve mud pulse generator self structure, its armature spindle and urceolus junction have fast rotates, its sealing is poor to be easily subject to the erosion of drilling fluid and to damage.
Summary of the invention
Technical problem to be solved by this invention is, a kind of better tightness, more reliable rotary valve mud pulse generator are provided.
Therefore, technical scheme of the present invention is as follows:
Rotary valve mud pulse generator, comprise urceolus, armature spindle and black box, on described urceolus, be provided with oil filler point, described armature spindle is arranged in described urceolus by a bearing, described black box is arranged on described armature spindle, make in described urceolus, one side of the close described oil filler point of described black box forms annular seal space, described black box is installed slidably on described armature spindle, described black box comprises outside V-shaped seal ring, inner side V-shaped seal ring, lateral branch pushing out ring, medial branch pushing out ring and sliding sleeve, described lateral branch pushing out ring and described medial branch pushing out ring are positioned at the both sides of described sliding sleeve, described outside V-shaped seal ring be arranged between described sliding sleeve and described lateral branch pushing out ring and with described armature spindle, between the inwall of described urceolus, form sealing, described inner side V-shaped seal ring be arranged between described sliding sleeve and described medial branch pushing out ring and with described armature spindle, between the inwall of described urceolus, form sealing, the lip limit of the lip limit of described outside V-shaped seal ring and described inner side V-shaped seal ring arranges in opposite directions, described sliding sleeve is for limiting the distance between described outside V-shaped seal ring and described inner side V-shaped seal ring so that form the space with preset volume between described outside V-shaped seal ring and described inner side V-shaped seal ring, described lateral branch pushing out ring, described medial branch pushing out ring is respectively used to described outside V-shaped seal ring and described inner side V-shaped seal ring to support, on described armature spindle, the both sides of described black box are also provided with spacing ring, for limiting the sliding scale of described black box.
Wherein, for mandrel connector, be motor; Can in described sliding sleeve, be provided with keyway, on described armature spindle, be provided with positioning key, described positioning key and the cooperation of described keyway are led to described sliding sleeve.
In this technical scheme, described rotary valve mud pulse generator adopts disymmetry formula V-shaped seal ring structure to have good sealing, extreme pressure lubricant can be closed in mud pulse generator to the pressure of outside drilling fluid when offsetting work, reduce the frictional resistance of sealing device, reduce power consumption, improve application life, improve sealing and reliability.
Further, between described lateral branch pushing out ring and described armature spindle, be also provided with O type circle between described medial branch pushing out ring and described armature spindle, can ensure better sealing.
Further, described oil filler point is unidirectional oil filler point, can effectively prevent that lubrication oil from flowing backwards.
Brief description of the drawings
Fig. 1 is according to the structural representation of the rotary valve mud pulse generator of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
As shown in Figure 1, rotary valve mud pulse generator according to an embodiment of the invention, comprise urceolus 2, armature spindle 1 and black box 17, on described urceolus 2, be provided with oil filler point 11, described armature spindle 1 is arranged in described urceolus 2 by a bearing 7, described black box 17 is arranged on described armature spindle 1, make in described urceolus 2, one side of the close described oil filler point 11 of described black box 17 forms annular seal space 9, described black box 17 is installed slidably on described armature spindle 1, described black box 17 comprises outside V-shaped seal ring 4, inner side V-shaped seal ring 5, lateral branch pushing out ring 3, medial branch pushing out ring 6 and sliding sleeve 12, described lateral branch pushing out ring 3 and described medial branch pushing out ring 6 are positioned at the both sides of described sliding sleeve 12, described outside V-shaped seal ring 4 be arranged between described sliding sleeve 12 and described lateral branch pushing out ring 3 and with described armature spindle 1, between the inwall of described urceolus 2, form sealing, described inner side V-shaped seal ring 5 be arranged between described sliding sleeve 12 and described medial branch pushing out ring 6 and with described armature spindle 1, between the inwall of described urceolus 2, form sealing, the lip limit of the lip limit of described outside V-shaped seal ring 4 and described inner side V-shaped seal ring 5 arranges in opposite directions, described sliding sleeve 12 is for limiting the distance between described outside V-shaped seal ring 4 and described inner side V-shaped seal ring 5 so that form the space with preset volume between described outside V-shaped seal ring 4 and described inner side V-shaped seal ring 5, described lateral branch pushing out ring 3, described medial branch pushing out ring 6 is respectively used to described outside V-shaped seal ring 4 and described inner side V-shaped seal ring 5 to support, on described armature spindle 1, the both sides of described black box 17 are also provided with spacing ring 14, for limiting the sliding scale of described black box 17.
Wherein, 8 is that mandrel connector, 10 is motor; Can in described sliding sleeve 12, be provided with keyway 16, on described armature spindle 1, be provided with positioning key 15, described positioning key 15 and described keyway 16 coordinate described sliding sleeve 12 are led.
In this technical scheme, described rotary valve mud pulse generator adopts disymmetry formula V-shaped seal ring structure to have good sealing, extreme pressure lubricant can be closed in mud pulse generator to the pressure of outside drilling fluid when offsetting work, reduce the frictional resistance of sealing device, reduce power consumption, improve application life, improve sealing and reliability.
Further, between described lateral branch pushing out ring 3 and described armature spindle 1, be also provided with O type circle 13 between described medial branch pushing out ring 6 and described armature spindle 1, can ensure better sealing.
Further, described oil filler point 11 is unidirectional oil filler point, can effectively prevent that lubrication oil from flowing backwards.
Rotary valve mud pulse generator is in the Installation and Debugging of ground, inject lubrication oil by the oil filler point 11 being arranged on urceolus 2 to annular seal space 9, annular seal space 9 internal pressures are greater than external pressure, lubrication oil shrinks promotion inner side V-shaped seal ring 5 to armature spindle 1, lubrication oil enters the hollow region forming between outside V-shaped seal ring 4, inner side V-shaped seal ring 5 and urceolus 2; Lubrication oil is further injected into promotion outside V-shaped seal ring 4 is stretched to urceolus 2, and the edge of outside V-shaped seal ring 4 will be close together with urceolus 2 under the effect of pressure, and outside V-shaped seal ring 4 is held by lateral branch pushing out ring 3, can prevent that lubrication oil from overflowing.Simultaneously, lubricating oil pressure in the hollow region of black box 17 acts on the recessed side of outside V-shaped seal ring 4, promotes black box 17 and slides along armature spindle 1, finally can block by limited ring 14, when O type circle 13 slides black box 17 laterally, lubrication oil does not overflow near armature spindle 1.
Rotary valve mud pulse generator in working order in, when outside drilling liquid pressure is greater than the lubricating oil pressure of annular seal space 9 inside, outside drilling fluid shrinks promotion outside V-shaped seal ring 4 to armature spindle 1, the outside drilling fluid of a part enters the hollow region forming between outside V-shaped seal ring 4, inner side V-shaped seal ring 5 and urceolus, until external pressure equates with the internal pressure of hollow region; Outside drilling fluid further promotes inner side V-shaped seal ring 5 and stretches to urceolus 2, the edge of inner side V-shaped seal ring 5 will be close together with urceolus 5 under the effect of pressure, inner side V-shaped seal ring 5 is held by medial branch pushing out ring 6, can prevent that outside drilling fluid from entering annular seal space 9.Simultaneously, pressure-acting in the hollow region of black box 17 is in the recessed side of inner side V-shaped seal ring 5, promoting black box 17 slides to the inside the lubrication oil in annular seal space 9 is pushed along armature spindle 1, until internal and external pressure balance or limited ring 14 block, when O type circle 13 slides core obturator 8 to the inside, drilling fluid does not enter annular seal space 9 near armature spindle 1.
In rotary valve mud pulse generator, lubrication oil can either reduce the frictional resistance between outside V-shaped seal ring 4 and inner side V-shaped seal ring 5 and urceolus 2, again can balance outside and annular seal space 9 between pressure differential, further reduce the frictional resistance of black box 17.
In sum, content of the present invention is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present invention, but this embodiment comprises within the scope of the present invention.
Claims (4)
1. a rotary valve mud pulse generator, comprise urceolus (2), armature spindle (1) and black box (17), on described urceolus (2), be provided with oil filler point (11), described armature spindle (1) is arranged in described urceolus (2) by a bearing (7), described black box (17) is arranged on described armature spindle (1), make in described urceolus (2), one side of the close described oil filler point (11) of described black box (17) forms annular seal space (9), it is characterized in that, described black box (17) is installed slidably on described armature spindle (1), described black box (17) comprises outside V-shaped seal ring (4), inner side V-shaped seal ring (5), lateral branch pushing out ring (3), medial branch pushing out ring (6) and sliding sleeve (12), described lateral branch pushing out ring (3) and described medial branch pushing out ring (6) lay respectively at the both sides of described sliding sleeve (12), described outside V-shaped seal ring (4) be arranged between described sliding sleeve (12) and described lateral branch pushing out ring (3) and with described armature spindle (1), between the inwall of described urceolus (2), form sealing, described inner side V-shaped seal ring (5) be arranged between described sliding sleeve (12) and described medial branch pushing out ring (6) and with described armature spindle (1), between the inwall of described urceolus (2), form sealing, the lip limit of the lip limit of described outside V-shaped seal ring (4) and described inner side V-shaped seal ring (5) all arranges in opposite directions, described sliding sleeve (12) is for limiting the distance between described outside V-shaped seal ring (4) and described inner side V-shaped seal ring (5) so that form the space with preset volume between described outside V-shaped seal ring (4) and described inner side V-shaped seal ring (5), described lateral branch pushing out ring (3), described medial branch pushing out ring (6) is respectively used to described outside V-shaped seal ring (4) and described inner side V-shaped seal ring (5) to support, on described armature spindle (1), the both sides of described black box (17) are also provided with spacing ring (14), be used for limiting the sliding scale of described black box (17).
2. rotary valve mud pulse generator according to claim 1, it is characterized in that, between described lateral branch pushing out ring (3) and described armature spindle (1), be also provided with O type circle (13) between described medial branch pushing out ring (6) and described armature spindle (1).
3. rotary valve mud pulse generator according to claim 1 and 2, it is characterized in that, in described sliding sleeve (12), be provided with keyway (16), on described armature spindle (1), be provided with positioning key (15), described positioning key (15) and described keyway (16) cooperation are led to described sliding sleeve (12).
4. according to the rotary valve mud pulse generator described in any one in claims 1 to 3, it is characterized in that, described oil filler point (11) is unidirectional oil filler point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410364482.9A CN104196521B (en) | 2014-09-18 | 2014-09-18 | A kind of rotary valve mud pulse generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410364482.9A CN104196521B (en) | 2014-09-18 | 2014-09-18 | A kind of rotary valve mud pulse generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104196521A true CN104196521A (en) | 2014-12-10 |
| CN104196521B CN104196521B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410364482.9A Active CN104196521B (en) | 2014-09-18 | 2014-09-18 | A kind of rotary valve mud pulse generator |
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| CN (1) | CN104196521B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644351A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Continuous wave pulse generator wind tunnel experiment device |
| CN108105253A (en) * | 2018-01-25 | 2018-06-01 | 宁波明隆精密机械有限公司 | A kind of New-type electric machine shaft core |
| CN108999607A (en) * | 2018-07-10 | 2018-12-14 | 中国石油集团渤海钻探工程有限公司 | A kind of drilling fluid pulse generator control valve pipe nipple |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060072374A1 (en) * | 2004-10-01 | 2006-04-06 | Teledrill Inc. | Measurement while drilling bi-directional pulser operating in a near laminar annular flow channel |
| CN201513173U (en) * | 2009-09-15 | 2010-06-23 | 郑州士奇测控技术有限公司 | Wireless while-drilling pulse generator |
| CN202125294U (en) * | 2011-03-09 | 2012-01-25 | 中国石化集团胜利石油管理局钻井工艺研究院 | Rotary underground slurry pulse generator |
| CN103015990A (en) * | 2012-12-26 | 2013-04-03 | 西安思坦仪器股份有限公司 | Downhole mud positive pulse generator |
| US8474548B1 (en) * | 2005-09-12 | 2013-07-02 | Teledrift Company | Measurement while drilling apparatus and method of using the same |
| CN103334741A (en) * | 2013-07-15 | 2013-10-02 | 东营植诚机电技术开发有限公司 | Minor-diameter pulse generating device |
-
2014
- 2014-09-18 CN CN201410364482.9A patent/CN104196521B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060072374A1 (en) * | 2004-10-01 | 2006-04-06 | Teledrill Inc. | Measurement while drilling bi-directional pulser operating in a near laminar annular flow channel |
| US8474548B1 (en) * | 2005-09-12 | 2013-07-02 | Teledrift Company | Measurement while drilling apparatus and method of using the same |
| CN201513173U (en) * | 2009-09-15 | 2010-06-23 | 郑州士奇测控技术有限公司 | Wireless while-drilling pulse generator |
| CN202125294U (en) * | 2011-03-09 | 2012-01-25 | 中国石化集团胜利石油管理局钻井工艺研究院 | Rotary underground slurry pulse generator |
| CN103015990A (en) * | 2012-12-26 | 2013-04-03 | 西安思坦仪器股份有限公司 | Downhole mud positive pulse generator |
| CN103334741A (en) * | 2013-07-15 | 2013-10-02 | 东营植诚机电技术开发有限公司 | Minor-diameter pulse generating device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644351A (en) * | 2015-10-30 | 2017-05-10 | 中石化石油工程技术服务有限公司 | Continuous wave pulse generator wind tunnel experiment device |
| CN108105253A (en) * | 2018-01-25 | 2018-06-01 | 宁波明隆精密机械有限公司 | A kind of New-type electric machine shaft core |
| CN108999607A (en) * | 2018-07-10 | 2018-12-14 | 中国石油集团渤海钻探工程有限公司 | A kind of drilling fluid pulse generator control valve pipe nipple |
| CN108999607B (en) * | 2018-07-10 | 2021-11-23 | 中国石油集团渤海钻探工程有限公司 | Control valve nipple of drilling fluid pulse generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104196521B (en) | 2017-06-16 |
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Effective date of registration: 20210823 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106 Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |