CN202178482U - Rotary electric interface for measurement while-drilling instrument - Google Patents
Rotary electric interface for measurement while-drilling instrument Download PDFInfo
- Publication number
- CN202178482U CN202178482U CN2011202048806U CN201120204880U CN202178482U CN 202178482 U CN202178482 U CN 202178482U CN 2011202048806 U CN2011202048806 U CN 2011202048806U CN 201120204880 U CN201120204880 U CN 201120204880U CN 202178482 U CN202178482 U CN 202178482U
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Abstract
The utility model discloses a rotary electric interface for measurement while-drilling instrument, comprising a columned body, a conductive ring, a distributing ring and a communication wire, wherein the body is provided with a passage composed of a vertical through hole, a horizontal elongated groove, a vertical elongated groove and an axial hole; a ring slot and a circular groove. Two ends of the communication wire are respectively welded with the wiring columns of the conductive ring and the distributing ring. The wire body of the communication wire is put in the passage; the conductive ring and the distributing ring are respectively put in the ring slot and the circular groove. Because the conductive ring, the communication wire and the distributing ring are installed in the groove and the hole of the body, and the sealing grooves are arranged on two ends of the body, the utility model realizes the high pressure sealing during the short circuit connection, increases the reliability of converting short circuit connection and is convenient to install and detach.
Description
Technical field
The utility model relates to oil drilling downhole testing instrument spare part.
Background technology
The kind of measurement while-drilling instrument is more at present, and every kind of instrument all has the circuit communication apparatus, realizes that to guarantee each pipe nipple of instrument circuit is communicated with in the connection of linking closely, thereby realizes the communication between each subsystem of instrument.But above-mentioned circuit communication apparatus only can realize that circuit is communicated with in the center of instrument, and the circuit outside can't the realization center is communicated with.And in centre, the circuit communication apparatus is prone to by erosion, and the connection reliability of cross-over sub is poor, directly influences the stability and the certainty of measurement of instrument.
Summary of the invention
The purpose of the utility model provides a kind of measurement while-drilling instrument with the rotation electric interfaces, and this rotation electric interfaces can be realized high pressure sealing, and connection line is by effectively isolation, and installation, convenient disassembly.
For realizing the foregoing invention purpose; The technical scheme that the application adopts is: measurement while-drilling instrument is with the rotation electric interfaces; Comprise columned body, the center of said body is provided with axially extending bore, and body is divided into four sections from top to bottom; Second section this body diameter wherein is greater than the external diameter of other sections body; On the sidewall of said second section body, be processed with vertical through hole 3, and on the upper surface of second section body, be processed with the annular groove that communicates with vertical through hole, also on the lower surface of second section body, be processed with the horizontal strip connected in star that communicates with vertical through hole; On the lower surface of the 3rd section body, be processed with annular groove; And on the sidewall of the 3rd section body, be processed with the axial hole that communicates with annular groove; Further be processed with on the sidewall of the 3rd section body and the vertical strip groove of axial hole on a vertical line, and this vertical strip groove communicates with the horizontal strip connected in star; This rotates electric interfaces, also comprises conducting ring, distributor track and order wire; Said conducting ring is installed in the annular groove; Distributor track is installed in the annular groove; The two ends of order wire are welded to connect with the binding post of conducting ring and distributor track respectively, and the line body of order wire places successively in the passage of being made up of vertical through hole, horizontal strip connected in star, vertical strip groove and axial hole; On the sidewall of the two ends of body, be processed with seal groove respectively in addition, built-in sealing ring, the upper end of body is connected with pipe nipple thread seal to be connected.
The beneficial effect of the utility model is: because this measurement while-drilling instrument all is placed in the groove and hole of body setting with the conducting ring, order wire and the distributor track that rotate electric interfaces; And the two ends of body are equipped with sealing ring; Realized the high pressure sealing when being connected with short circuit, bearing capacity can reach 35Mpa, and the line insulation impedance can reach 500M Ω; Thereby improved cross-over sub connection reliability can, and installation, convenient disassembly.
Description of drawings
Fig. 1 is the stereoscopic sketch map of the utility model.
Fig. 2 is the longitudinal section of Fig. 1.
1-body among the figure, 2-axially extending bore, 3-vertical through hole, 4-annular groove, 5-horizontal strip connected in star, 6-annular groove, 7-axial hole, the vertical strip groove of 8-, 9-conducting ring, 10-distributor track, 11-order wire.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
By Fig. 1 and shown in Figure 2; This measurement while-drilling instrument is with the rotation electric interfaces; Comprise columned body 1, the center of body 1 is provided with axially extending bore 2, and said body 1 is divided into four sections; Wherein from top to bottom second section this body diameter is greater than the external diameter of other sections body; On the sidewall of said second section body, be processed with vertical through hole 3, and on the upper surface of second section body, be processed with the annular groove 4 that communicates with vertical through hole 3, also on the lower surface of second section body, be processed with the horizontal strip connected in star 5 that communicates with vertical through hole 3; On the lower surface of the 3rd section body, be processed with annular groove 6; And on the sidewall of the 3rd section body, be processed with the axial hole 7 that communicates with annular groove 6; Further be processed with on the sidewall of the 3rd section body and the vertical strip groove 8 of axial hole 7 on a vertical line, and this vertical strip groove 8 communicates with horizontal strip connected in star 5; This measurement while-drilling instrument also comprises conducting ring 9, distributor track 10 and order wire 11 with the rotation electric interfaces; Said conducting ring 9 is installed in the annular groove 4; Distributor track 10 is installed in the annular groove 6; The two ends of order wire 11 are connected with conducting ring 9 and distributor track 10 respectively, and the line body of order wire 11 places successively in the passage of being made up of vertical through hole 3, horizontal strip connected in star 5, vertical strip groove 8 and axial hole 7; On the sidewall of the two ends of body 1, be processed with seal groove respectively in addition, built-in sealing ring, the upper end of body 1 is connected with other pipe nipple thread seal.
During use, at first the binding post on order wire 11 and the conducting ring 9 is welded together, be installed in conducting ring 9 in the annular groove 4; The free end of order wire 11 passes vertical through hole 3; Along horizontal strip connected in star 5 and vertical strip groove 8; Insert in the axial hole 7; And weld together with the binding post of distributor track 10, be placed in distributor track 10 in the switching-over groove 6, at last horizontal strip connected in star 5 and vertical strip groove 8 are used the glue sealing; Sealing ring is installed at the two ends of body 11 respectively; When circuit was communicated with, body 1 was threaded on the pipe nipple that cooperates with it through an end.
The measurement while-drilling instrument that adopts this technical scheme is with the rotation electric interfaces, and its bearing capacity can reach 35Mpa, and the line insulation impedance can reach 500M Ω; And its dependable performance, installation, convenient disassembly.
Claims (2)
1. measurement while-drilling instrument is with the rotation electric interfaces; Comprise columned body, it is characterized in that: the center of body is provided with axially extending bore, and said body is divided into four sections from top to bottom; Second section this body diameter wherein is greater than the external diameter of other sections body; On the sidewall of said second section body, be processed with vertical through hole, and on the upper surface of second section body, be processed with the annular groove that communicates with vertical through hole, also on the lower surface of second section body, be processed with the horizontal strip connected in star that communicates with vertical through hole; On the lower surface of the 3rd section body, be processed with annular groove; And on the sidewall of the 3rd section body, be processed with the axial hole that communicates with annular groove; Further be processed with on the sidewall of the 3rd section body and the vertical strip groove of axial hole on a vertical line, and this vertical strip groove communicates with the horizontal strip connected in star; This rotates electric interfaces, also comprises conducting ring, distributor track and order wire; Said conducting ring is installed in the annular groove; Distributor track is installed in the annular groove; The two ends of order wire respectively with the welding of the binding post of conducting ring and distributor track, the line body of order wire places successively in the passage of being made up of vertical through hole, horizontal strip connected in star, vertical strip groove and axial hole; On the sidewall of the two ends of body, be processed with seal groove respectively in addition, built-in sealing ring, the upper end of body is connected with pipe nipple thread seal to be connected.
2. use the rotation electric interfaces according to the described measurement while-drilling instrument of claim 1, it is characterized in that: said horizontal strip connected in star and vertical strip groove are used the glue sealing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202048806U CN202178482U (en) | 2011-06-17 | 2011-06-17 | Rotary electric interface for measurement while-drilling instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202048806U CN202178482U (en) | 2011-06-17 | 2011-06-17 | Rotary electric interface for measurement while-drilling instrument |
Publications (1)
Publication Number | Publication Date |
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CN202178482U true CN202178482U (en) | 2012-03-28 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011202048806U Expired - Fee Related CN202178482U (en) | 2011-06-17 | 2011-06-17 | Rotary electric interface for measurement while-drilling instrument |
Country Status (1)
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CN (1) | CN202178482U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104019286A (en) * | 2014-06-23 | 2014-09-03 | 中北大学 | Sealing structure |
CN105161942A (en) * | 2015-07-23 | 2015-12-16 | 杭州电子科技大学 | Measurement-while-drilling instrument pipe nipple multipath electrical connection apparatus based on conductive liquid medium |
-
2011
- 2011-06-17 CN CN2011202048806U patent/CN202178482U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104019286A (en) * | 2014-06-23 | 2014-09-03 | 中北大学 | Sealing structure |
CN104019286B (en) * | 2014-06-23 | 2016-03-09 | 中北大学 | A kind of sealing configuration |
CN105161942A (en) * | 2015-07-23 | 2015-12-16 | 杭州电子科技大学 | Measurement-while-drilling instrument pipe nipple multipath electrical connection apparatus based on conductive liquid medium |
CN105161942B (en) * | 2015-07-23 | 2017-06-06 | 杭州电子科技大学 | Based on conductive fluid medium with brill instrument pipe nipple multichannel arrangements of electric connection |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20130617 |