CN106299787A - A kind of downhole cable docking facilities - Google Patents
A kind of downhole cable docking facilities Download PDFInfo
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- CN106299787A CN106299787A CN201610680749.4A CN201610680749A CN106299787A CN 106299787 A CN106299787 A CN 106299787A CN 201610680749 A CN201610680749 A CN 201610680749A CN 106299787 A CN106299787 A CN 106299787A
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- attachment structure
- cable
- hole
- docking facilities
- metal
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- 238000003032 molecular docking Methods 0.000 title claims abstract description 36
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- 239000010931 gold Substances 0.000 claims description 6
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/6205—Two-part coupling devices held in engagement by a magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
- H01R13/213—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together by bayonet connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses downhole cable docking facilities, including: lid, rectifying and voltage-stabilizing device, metal cap, coil, upper metal column, upper attachment structure, lower attachment structure, metab, lower attachment structure and metab can be connected with the motor of downhole submersible pumps by the present invention by lower cable, and it is directly placed into down-hole, again upper cable is connected with upper attachment structure, then upper attachment structure and each parts that are connected thereof are together put into down-hole along oil pipe center, by for coil electricity, metal cap and upper metal column is made to produce electromagnetic attraction, and due to upper cable and upper attachment structure and the deadweight of each parts that are connected thereof, make metab close to each other with bottom metal cap and dock, lower attachment structure docks conduction with upper attachment structure；Therefore, upper cable can put into down-hole with upper attachment structure and each parts that are connected thereof along oil pipe center, thus avoids cable by borehole wall extrusion damage, also avoids causing the problems such as trouble of lost tool in hole with wall friction simultaneously.
Description
Technical field
The present invention relates to oil electric machinery field, particularly to a kind of downhole cable docking facilities.
Background technology
In oil field development, submersible electric pump is always an important component part of artificial lift, in recent years latent oil
Screw pump, the application of linear electric motors make submersible electric pump DP technology technology fast development, and along with inclined shaft quantity is continuously increased,
To progressively substitute ground pumping production technique.
In prior art, often the crude oil of down-hole is carried out up oil transportation by submersible electric pump, the installation of submersible electric pump
Position is deep 1000 meters, down-hole, and downhole electrical motor is powered by submersible electric pump cable, is will on ground in the method taked at present
Cable couples with submersible electric pump, then ties up cable on oil-pipe external wall by root, and submersible electric pump and cable are with oil pipe together lower going-into-well
In.
During realizing the present invention, inventor finds that prior art at least there is problems in that
Owing to oil pipe has damage or hole deviation, cable is tied up and is gone into the well on oil-pipe external wall, easily causes cable bad and trouble of lost tool in hole,
Thus cause down-hole accident, increase workover cost.
Summary of the invention
The problem easily causing cable bad and trouble of lost tool in hole in order to solve prior art, embodiments provides one
Downhole cable docking facilities.Described technical scheme is as follows:
A kind of downhole cable docking facilities, is used for making cable be connected conduction with lower cable, and described downhole cable is to tipping
Put and include: be internally provided with the lid of cavity, rectifying and voltage-stabilizing device, the metal cap of bottom opening, coil, upper metal column, upper company
Access node structure, lower attachment structure, metab, described lid spiral-lock is at the top of described metal cap, and described rectifying and voltage-stabilizing device sets
Putting in described lid portion inside cavity, described coil, described upper attachment structure are arranged in described metal cap, and described upper gold
Belong to post be plugged in described coil, described upper cable first end is connected with power supply, described upper cable the second end respectively with described on
Attachment structure, described rectifying and voltage-stabilizing device connect, and described rectifying and voltage-stabilizing device is connected with described coil, described lower attachment structure
Being arranged on described metab, described lower attachment structure is connected with described lower cable, by described metab and described gold
Belong to and docking bottom cover, make described lower attachment structure dock conduction with described upper attachment structure.
As preferably, described upper attachment structure includes socket, normally closed actuation button, locking device, and described socket is arranged on
On described metal cap inwall below described coil, and described socket be positioned at described metal cap inwall and described upper metal column it
Between, described upper cable the second end is connected with described socket top, is provided with axially in parallel with described metal cap in described socket
Jack, described jack is used for accommodating described lower attachment structure, the sidewall of described jack is respectively arranged with described normally closed shake-up by
Button, described locking device, described normally closed actuation button is all connected with described rectifying and voltage-stabilizing device, described coil.
As preferably, described locking device includes fixing cylinder, spring, plush copper, and the sidewall of described jack is provided with perforation,
Described fixing cylinder is arranged in described perforation, and described plush copper and described spring are arranged at inside described fixing cylinder, and described convex
The nearly described jack of head rest is arranged, and described spring promotes described plush copper to stretch in described jack, and described plush copper is used for and described lower company
Connect form touch spacing.
As preferably, described lower attachment structure includes insulated probe and the conduction body of rod being sequentially connected with from top to bottom, described
On the conduction body of rod, one end of described insulated probe being provided with locking groove, the described conduction body of rod is arranged on described metab
On, when described insulated probe inserts described jack with the described conduction body of rod, the described conduction body of rod and the sidewall contact of described jack,
Described locking device is for engaging spacing with described locking groove.
As preferably, described metab includes that lower metal column and metal pedestal, described lower metal column are fixed on described metal
On seat, described lower metal column being provided with through hole with in described metal pedestal, the described conduction body of rod is arranged on described lower metal column
On through hole in, described lower cable one end is connected with described conduction body of rod lower end, and the other end extends through the through hole in metal pedestal
Outside.
Further, described downhole cable docking facilities also includes insulation and sealing structure, described upper insulation and sealing structure
Including the first insulated enclosure set connected and the first insulating seal, described first insulated enclosure set is sleeved on outside described socket
Wall, described first insulating seal is positioned at below described socket, described first insulating seal is provided with described jack even
Logical taper groove, described lower attachment structure enters described jack, described taper groove two ends internal diameter through described taper groove
Difference is 1mm.
Further, described downhole cable docking facilities also includes lower insulation and sealing structure, described lower insulation and sealing structure
Including the second insulated enclosure set and the 3rd insulated enclosure set connected from top to bottom, described second insulated enclosure set is with the described 3rd
Insulated enclosure set is all sleeved on the external wall of described conducting rod, and described second insulated enclosure set is positioned on described lower metal column
In through hole, the external diameter of described 3rd insulated enclosure set is more than the internal diameter of through hole on described lower metal column, and described 3rd insulation is close
Big envelope is stuck in the outside of through hole on described lower metal column, and when the described conduction body of rod inserts in described jack, described second insulation is close
Big envelope seals laminating with described first insulating seal.
Further, described downhole cable docking facilities also includes that centralising device, described centralising device are arranged on described gold
Belong between cover and described metab.
As preferably, described centralising device includes centralising device and lower centralising device, and described upper centralising device is arranged on
Bottom described metal cap, described lower centralising device is arranged on described metab top, and described upper centralising device is lower right with described
Middle device para-position coordinates.
As preferably, described upper centralising device is the multiple upper teeth being arranged on described metal cap bottom peripheral edge, Mei Geshang
The tooth top of teeth is provided with projection, and described lower centralising device is the multiple lower teeth being arranged on described metab top perimeter,
Being provided with and the groove of described male cooperation at the bottom of the tooth of each lower teeth, described upper teeth coordinate with described lower teeth para-position, institute
State and on centralising device, be provided with outage.
The technical scheme that the embodiment of the present invention provides has the benefit that
Lower attachment structure and metab can be connected with the motor of downhole submersible pumps by the present invention by lower cable, and directly
Put into down-hole, upper cable be connected with upper attachment structure, then by upper attachment structure and be connected each parts together along
Down-hole is put at oil pipe center, by for coil electricity so that metal cap and upper metal column produce electromagnetic attraction, with lower attachment structure
And metab attracts close, and due to upper cable and upper attachment structure and the deadweight of each parts that are connected thereof so that metal bottom
Seat is close to each other with bottom metal cap and docks, and reaches lower attachment structure and docks the purpose of conduction with upper attachment structure；The present invention
Up and down two parts can complete docking conduction by electromagnetic attraction and self gravitation in down-hole, therefore, upper cable with on be connected knot
Structure and each parts that are connected thereof can put into down-hole along oil pipe center, thus avoid cable by borehole wall extrusion damage, also keep away simultaneously
Exempt to cause with wall friction the problems such as trouble of lost tool in hole, prevent the generation of down-hole accident, save running cost, increase economic benefit；
It addition, present configuration is simple, use safety, easy to operate, actually used with the obvious advantage.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of a kind of downhole cable docking facilities that the embodiment of the present invention provides；
Fig. 2 is A-A sectional view in Fig. 1；
Fig. 3 is the rectifying and voltage-stabilizing device connection diagram that further embodiment of this invention provides；
Fig. 4 is the structural representation of the metal cap that further embodiment of this invention provides；
Fig. 5 is the structural representation of the upper metal column that further embodiment of this invention provides；
Fig. 6 is the structural representation of the upper attachment structure that further embodiment of this invention provides；
Fig. 7 is the structural representation of the normally closed actuation button that further embodiment of this invention provides；
Fig. 8 is the structural representation of the locking device that further embodiment of this invention provides；
Fig. 9 is the structural representation of the upper insulation and sealing structure that further embodiment of this invention provides；
Figure 10 is the sectional view of the metal pedestal that further embodiment of this invention provides；
Figure 11 is the top view of the metal pedestal that further embodiment of this invention provides；
Figure 12 is the structural representation of the lower attachment structure that further embodiment of this invention provides；
Figure 13 is the structural representation of the lower insulation and sealing structure that further embodiment of this invention provides；Wherein: 1 lid, 11
Upper cable, 12 times cables,
13 rectifying and voltage-stabilizing devices, 131 diodes, 132 electrochemical capacitors, 133 stabilivolts,
2 metal caps,
21 coils,
Metal column on 22,
23 wire guides, 24 tapped through holes, 25 limited impressions,
Attachment structure on 3,
31 sockets, 32 jacks,
33 normally closed actuation button,
331 stroke levers, 332 housings, 333 moving contact switches, 334 buffer springs,
34 locking devices, 341 fix cylinder, 342 springs, 343 plush coppers,
Insulation and sealing structure on 4,
41 first insulated enclosure sets, 42 first insulating seal, 43 taper grooves,
5 times attachment structures,
51 insulated probe, the 52 conduction bodies of rod, 53 locking grooves,
6 times insulation and sealing structures,
61 second insulated enclosure sets, 62 the 3rd insulated enclosure sets,
7 metabs, 71 times metal columns, 72 metal pedestal,
8 centralising devices,
81 is protruding, 82 outages, 83 grooves, 84 teeth.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
As it is shown in figure 1, embodiments provide a kind of downhole cable docking facilities, it is used for making cable 11 and lower electricity
Cable 12 connects conduction, and described downhole cable docking facilities includes: be internally provided with the lid 1 of cavity, rectifying and voltage-stabilizing device 13, the end
The metal cap 2 of portion's opening, coil 21, upper metal column 22, upper attachment structure 3, lower attachment structure 5, metab 7, described lid 1
Spiral-lock is at the top of described metal cap 2, and described rectifying and voltage-stabilizing device 13 is arranged in described lid 1 internal cavities, described coil
21, in described upper attachment structure 3 is arranged at described metal cap 2, and described upper metal column 22 is plugged in described coil 21, institute
Stating cable 11 first end to be connected with power supply, described upper cable 11 second end is steady with described upper attachment structure 3, described rectification respectively
Pressure device 13 connects, and described rectifying and voltage-stabilizing device 13 is connected with described coil 21, and described lower attachment structure 5 is arranged on described gold
Belonging on base 7, described lower attachment structure 5 is connected with described lower cable 12, by described metab 7 and described metal cap 2 end
Portion docks, and makes described lower attachment structure 5 dock conduction with described upper attachment structure 3.
Wherein, in the embodiment of the present invention, lid 1 top is provided with the wire perforation that common-battery cable passes, and the top of lid 1 sets
Being set to semicircle spherical, in order to bear bigger water pressure, the material of lid 1 selects electrical pure iron DT4C；
As shown in Figure 4, metal cap 2 is circle ring iron core, and material selects DT4C, and its top peripheral is provided with connection screw thread, even
Connecing screw thread to threaded with the connection of lid 1, circle ring iron core top is provided with wire guide 23 and tapped through hole 24, wire guide 23 with
Just cable conductor passes through, and typically arranges six wire guides 23, and tapped through hole 24 is for solid with upper metal column 22 through bolt
Fixed, circle ring iron core internal cavities places coil 21 and upper attachment structure 3, and, metal cap 2 inwall is additionally provided with limited impression
25, corresponding upper metal column 22 outer wall is also provided with limited impression 25, in two limited impressions 25, fixes a pad fixture,
Pad fixture is connected fixing with upper attachment structure 3, it is ensured that when lower attachment structure 5 is connected with upper attachment structure 3, upper attachment structure
3 are not extracted；Upper metal column 22 can use cylinder iron core, and its top is also equipped with wire guide 23 and tapped through hole 24, wire guide
23 are bolted solid with wire guide 23 one_to_one corresponding of circle ring iron core, tapped through hole 24 with the tapped through hole 24 of circle ring iron core
Fixed, cylinder iron core Fillers selection neodymium iron boron Nd2Fe14B, by binding agents such as neodymium iron boron powder and filler, plastic cement or low-melting-point metals
Uniformly mixing, the compound Nd-Fe-B permanent magnet then made by methods such as compression, extruding or injection mouldings；
As it is shown in figure 1, coil 21 is provided with upper and lower two coils 21, the rated direct voltage of described coil 21 is
340V, as preferably, described coil 21 material selection enamel-covered wire SWG, the radius R1 of coil 21 are set to 9mm, R2 and are set to
20mm, and the thickness H of coil 21 is 11mm；The height of described coil 21 is 80mm, and line footpath is 0.78mm, and its wire copper core is straight
Footpath is 0.72mm, and cross section is 0.4072mm2, D.C. resistance is 43 Ω/Km, and every centimetre of skeleton width twines 12.8 circles, it is possible to according to
Practical situation is arranged flexibly；
As it is shown on figure 3, rectifying and voltage-stabilizing device 13 is provided with commutation diode, electrochemical capacitor, stabilivolt, as preferably, institute
Stating commutation diode and select IN4007 type germanium diode, specified forward operating current is 1A, reverse pressure 1000V；Described electrolysis
Capacitance selection ITA/RTCD139, parameter is 340v4700uf electrochemical capacitor；Described stabilivolt selects U1ZB330-Z voltage stabilizing two pole
Pipe, exports DC voltage 340V, power 1W, and circuit board uses PCB substrate copper-clad plate, and each element connects as it is shown on figure 3, it inputs
Alternating voltage 380V, exports DC voltage 340V；
Lower attachment structure 5 and metab 7 can be connected with the motor of downhole submersible pumps by the present invention by lower cable, and directly
Connect and put into down-hole, be generally placed at 1000 meters, down-hole, diameter 60mm oil pipe can be put in well, then by upper cable 11 with on be connected
Structure 3 is connected, and then together along oil pipe center, upper attachment structure 3 and each parts that are connected thereof is put into down-hole, deep when putting into
After degree reaches the oil-immersed pump degree of depth, test insulation resistance is more than after 10M Ω, and power turn-on switchs, and is energized coil 21 so that metal
Cover 2 and upper metal column 22 produce electromagnetic attraction, attract close with lower attachment structure 5 and metab 7, and due to upper cable 11 with
Upper attachment structure 3 and the deadweight of each parts that are connected thereof so that metab 7 is close to each other with bottom metal cap 2 and docks, and reaches
Dock the purpose of conduction with upper attachment structure 3 to lower attachment structure 5；Under general measure between attachment structure 5 and upper attachment structure 3
Insulation resistance can be coil 21 power transmission more than 10M Ω, the 1000N electromagnetic attraction produced by electric magnet；The present invention upper and lower two
Part can complete docking conduction by electromagnetic attraction and self gravitation in down-hole, therefore, upper cable 11 and upper attachment structure 3 and
Its each parts that are connected can put into down-hole along oil pipe center, thus avoid cable by borehole wall extrusion damage, also avoid simultaneously with
Wall friction causes the trouble of lost tool in hole problems such as cable whereabouts or other borehole wall chips, prevents the generation of down-hole accident, saves operation
Cost, increases economic benefit；It addition, present configuration is simple, use safety, easy to operate, actually used with the obvious advantage.
As shown in Figure 6, it is possible to see Fig. 2, as preferably, described upper attachment structure 3 includes socket 31, normally closed actuation button
33, locking device 34, described socket 31 is arranged on described metal cap 2 inwall below described coil 21, and described socket 31
Described metal cap 2 inwall and described between metal column 22, described upper cable 11 second end is with described socket 31 top even
Connecing, be provided with the jack 32 axially in parallel with described metal cap 2 in described socket 31, described jack 32 is used for accommodating described lower company
Access node structure 5, the sidewall of described jack 32 is respectively arranged with described normally closed actuation button 33, described locking device 34, described often
Close actuation button 33 to be all connected with described rectifying and voltage-stabilizing device 13, described coil 21.
As shown in Figure 8, as preferably, described locking device 34 includes fixing cylinder 341, spring 342, plush copper 343, described slotting
Being provided with perforation on the sidewall in hole 32, described fixing cylinder 341 is arranged in described perforation, described plush copper 343 and described spring 342
Being arranged at described fixing cylinder 341 internal, and described plush copper 343 is arranged near described jack 32, described spring 342 promotes described
Plush copper 343 stretches in described jack 32, and described plush copper 343 is for contacting spacing with described lower attachment structure 5.
Wherein, as it is shown in fig. 7, be provided with the normally closed touch switch stroke vertical with jack 32 on described jack 32 sidewall
Lever cavity, locking device chamber, be respectively used to accommodate normally closed actuation button 33 and locking device 34；Normally closed actuation button 33 is existing
Technology, its overall dimensions need to be arranged flexibly according to practical situation of the present invention, and it is provided with stroke lever 331, housing 332, moves and touch
Head switch 333, buffer spring 334, stroke lever 331 sequentially contacts with moving contact switch 333, buffer spring 334, and is respectively provided with
Inside housing 332, when specifically connecting, the input of rectifying and voltage-stabilizing device 13 is connected with upper cable 11, rectifying and voltage-stabilizing device 13
Two outfans, wherein one end of one end and moving contact switch 333 is welded and fixed and is connected, the other end of moving contact switch 333
Being welded and fixed with one end of coil 21 and be connected, the other end of coil 21 welds solid with another outfan of rectifying and voltage-stabilizing device 13
Fixed connection, rectifying and voltage-stabilizing device 13, moving contact switch 333 is collectively forming loop with coil 21, and moving contact switchs the disconnection of 333 can
Disconnection with control coil 21；Housing 332 is outside is provided with screw thread, is connected fixing by the through hole of screw thread with jack 32 sidewall,
Stroke lever 331 one end is arranged near jack 32, and the other end switchs 333 against the moving contact of button, it is generally the case that buffering elastic
Spring 334 is in extended configuration, and jack 32 is stretched in stroke lever 331 end, when attachment structure 5 stretches into jack 32 instantly, and lower connection
Structure 5 promotes stroke lever 331 to move, and i.e. promotion moving contact switch 333 is to buffer spring 334 1 side shifting, now so that dynamic
Switch contacts 333 disconnects, so that the power-off of two coils 21, and stop producing electromagnetic field, the most both completed docking, solved again
The problem that coil 21 of having determined is electrified for a long time power consumption；Normally closed actuation button 33 is touched stroke and is set to 1mm, stroke lever 331 straight
Footpath is traditionally arranged to be 2mm；The sagitta of the plush copper 343 of locking device 34 is equal with the stroke of moving contact switch 333, jack 32 filler
Selecting red copper, inwall is silver-plated.
As shown in figure 12, as preferably, described lower attachment structure 5 include from top to bottom the insulated probe 51 that is sequentially connected with
The conduction body of rod 52, on the described conduction body of rod 52, the one end near described insulated probe 51 is provided with locking groove 53, described conduction
The body of rod 52 is arranged on described metab 7, when described insulated probe 51 inserts described jack 32 with the described conduction body of rod 52, and institute
State the sidewall contact of the conduction body of rod 52 and described jack 32, for conductive communication, the plush copper 343 of described locking device 34 for
Described locking groove 53 engages spacing.
Wherein, the conduction body of rod 52 typically uses conduction copper rod, and the tapering of the tip of insulated probe 51 is 62 °, length
4.5mm, external diameter is consistent with the external diameter of conduction copper rod.Lower cable 12 partial filler being connected with the conduction body of rod 52 selects red copper, outward
Portion's wall is silver-plated, insulated probe 51 Fillers selection polyether-ether-ketone PEEK, is molded moulding by casting.
As it is shown in figure 1, also can be found in Figure 10 and Figure 11, as preferably, described metab 7 includes lower metal column 71 and gold
Belonging to seat 72, described lower metal column 71 is fixed in described metal pedestal 72, equal with in described metal pedestal 72 on described lower metal column 71
Being provided with through hole, the described conduction body of rod 52 is arranged in the through hole on described lower metal column 71, described lower cable 12 one end and institute
Stating the conduction body of rod 52 lower end to connect, the other end extends outside through the through hole in metal pedestal 72.
Wherein, metal pedestal 72 can use annulus armature, lower metal column 71 to use cylinder armature, metal pedestal 72 arranges indent
Cavity, lower metal column 71 is placed in the cavities, runs through fixing by screw between metal pedestal 72 and lower metal column 71；Lower cable
12 one end are connected with the conduction body of rod 52 lower end, and the other end extends outside through the through hole in metal pedestal 72 and is connected with motor.
As it is shown in figure 9, further, described downhole cable 12 docking facilities also includes insulation and sealing structure 4, described on
Insulation and sealing structure 4 includes the first insulated enclosure set 41 and the first insulating seal 42, the described first insulated enclosure set connected
41 are sleeved on described socket 31 outer wall, and described first insulating seal 42 is positioned at below described socket 31, and described first insulation is close
Being provided with the taper groove 43 connected with described jack 32 on envelope body 42, described lower attachment structure 5 is through described taper groove 43
Entering described jack 32, described taper groove 43 two ends difference in internal diameters is 1mm.
Wherein, the Fillers selection polyether-ether-ketone PEEK of upper insulation and sealing structure 4, by injection moulding process molding；Taper groove
43 parts are provided with the gradient of 1mm difference, in order to taper groove 43 and the second insulated enclosure set 61, to time crowded, get rid of insulation interlayer
Water, reaches reliable insulating effect.
As shown in figure 13, further, described downhole cable 12 docking facilities also includes lower insulation and sealing structure 6, described
Lower insulation and sealing structure 6 includes that the second insulated enclosure set 61 connected and the 3rd insulated enclosure overlap 62, described second from top to bottom
Insulated enclosure set 61 is all sleeved on the described conduction body of rod 52 outer wall with described 3rd insulated enclosure set 62, and described second insulation
Sealing shroud 61 is positioned at the through hole on described lower metal column 71, and the external diameter of described 3rd insulated enclosure set 62 is more than described lower metal
The internal diameter of through hole on post 71, and described 3rd insulated enclosure set 62 is stuck in the outside of through hole on described lower metal column 71, described in lead
When electric pole body 52 inserts in described jack 32, described second insulated enclosure set 61 and described first insulating seal 42 sealing paste
Close.
Wherein, lower insulation and sealing structure 6 Fillers selection polyether-ether-ketone PEEK, by injection moulding by casting；3rd insulation is close
Big envelope 62 is stuck in the bottom of through hole on lower metal column 71, for spacing, prevents the conduction body of rod 52 from departing from through hole on lower metal column 71.
As it is shown in figure 1, also can be found in Fig. 4, Figure 10 and Figure 11, further, described downhole cable 12 docking facilities also wraps
Including centralising device 8, described centralising device 8 is arranged between described metal cap 2 and described metab 7.
As preferably, described centralising device 8 includes centralising device 8 and lower centralising device 8, and described upper centralising device 8 sets
Putting bottom described metal cap 2, described lower centralising device 8 is arranged on described metab 7 top, described upper centralising device 8 with
Described lower centralising device 8 para-position coordinates.
As preferably, described upper centralising device 8 is the multiple upper teeth 84 being arranged on described metal cap 2 bottom peripheral edge, often
The tooth top of individual upper teeth 84 is provided with protruding 81, and described lower centralising device 8 is many for being arranged on described metab 7 top perimeter
Individual lower teeth 84, are provided with at the bottom of the tooth of each lower teeth 84 and described protruding 81 grooves 83 coordinated, described upper teeth 84 and institute
State lower teeth 84 para-position to coordinate, described upper centralising device 8 is provided with outage 82.
Wherein, the implementation of centralising device 8 has multiple, it is simple to make attachment structure 3 and lower attachment structure 5 in down-hole
Smooth alignment centering also docks conduction, and increase the contact area of upper and lower iron core.In the embodiment of the present invention, upper centralising device 8
For multiple upper teeth 84, lower centralising device 8 is multiple lower teeth 84, and upper teeth 84 coordinate, the most often with the para-position of described lower teeth 84
Individual tip portion can regard convex triangle as, and divide bottom tooth and can regard recessed triangle as, and the drift angle of each triangle is set to 104 °,
Base angle is 38 °, a height of 14mm；It is provided with three outages 82 on general each convex triangle on upper centralising device 8, in order to
When electromagnetic attraction drags top and the bottom of the present invention, the water within device can be got rid of faster.
Lower metal column in metal cap in the present invention, upper metal column and metab and metal pedestal, all use and can lead to
Cross electromagnetic induction and produce the metal of electromagnetic attraction, such as metal materials such as ferrum, nickel, cobalts；Can be according to reality in each gap of the present invention
Border situation adds insulating packing, and the insulating packing in upper and lower cable insulation, coil insulation and each space selects PEEK so that it is resistance to
Temperature reaches more than 250 degrees Celsius, and dielectric strength reaches 1KV/mm.
In the embodiment of the present invention, upper attachment structure 3 does not limits with the quantity of lower attachment structure 5, it is possible to arranges multiple, uniformly divides
Cloth, as preferably, can be respectively provided with three, strengthens the reliability connected.
Upper cable 11 is three-phase power line with lower cable 12, and the upper cable 11 wire guide 23 from lid 1 top penetrates, logical
Cross the main power source wire guide 23 of metal cap 2 and the main power source wire guide 23 of upper metal column 22, then with the bottom of jack 32 by weldering
Stannum is fixing to be connected, and draws control power lead respectively, by the master of metal cap 2 at the bottom welding of the jack 32 of A phase and B phase
The main power source wire guide 23 of power lead hole 23 and upper metal column 22, then pass through terminal with the power import of rectifying and voltage-stabilizing device 13
Fixing connection；Two outlet terminals of rectifying and voltage-stabilizing device 13 draw two wires, respectively by the main power source wire of metal cap 2
The main power source wire guide 23 of hole 23 and upper metal column 22, then switch 333, two coils 21 by sides such as scolding tin with moving contact respectively
Formula is fixing to be connected.The connecting screw hole of metal pedestal 72 is connected by screw is fixing with the connecting screw hole of lower metal column 71, and lower insulation is close
Seal structure 6 is fixed on the outer wall of the conduction body of rod 52 by cast, and penetrates on lower metal column 71 in through hole, and three-phase power line passes through
The main power source wire guide 23 of metal pedestal 72, is connected by scolding tin is fixing with the bottom of the conduction body of rod 52, being had time in the present invention
The most casting insulated filler at gap.
A kind of downhole cable 12 docking facilities that the present invention provides, by above-mentioned limiting structure, as preferably, described lid
Docking infilling between 1 inner chamber space and each parts selects insulative water-proof glue to fill up sealing, and during work, the top of jack 32 is injected
Conduction silicone grease, bottom injects insulating oil, and the present invention is by oneself of upper cable 11 and upper attachment structure 3 and each parts that are connected thereof
Weighing, and under general, attachment structure 5 is pressed in jack 32 with the help of centralising device 8, now the current-carrying part of jack 32 does not touches
The conduction body of rod 52 of lower attachment structure 5, the insulation resistance between upper attachment structure 3 and lower attachment structure 5 is in the isolation of insulating oil
Under 10M Ω to be reached.After power supply energising, coil 21 produces electromagnetic field, under the electromagnetic force of 1000N, and will in 20-60mS
Second insulated enclosure set 61 is drawn in the first insulating seal 42 of jack 32, reaches attachment structure 3 suitable with lower attachment structure 5
Profit completes the purpose of docking.The cable butt joint device that the present embodiment provides, by the utilization of 5 mouthfuls of wells, does not breaks down over 2 years,
This device disposably puts into, and can reuse, and the life-span, more than 10 years, facilitates construction, has saved production cost, adds
Economic benefit.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a downhole cable docking facilities, is used for making cable be connected conduction with lower cable, it is characterised in that described down-hole electricity
Cable docking facilities includes: be internally provided with the lid of cavity, rectifying and voltage-stabilizing device, the metal cap of bottom opening, coil, upper metal
Post, upper attachment structure, lower attachment structure, metab, described lid spiral-lock at the top of described metal cap, described rectifying and voltage-stabilizing
Device is arranged in described lid portion inside cavity, and described coil, described upper attachment structure are arranged in described metal cap, and institute
Stating metal column to be plugged in described coil, described upper cable first end is connected with power supply, described upper cable the second end respectively with
Described upper attachment structure, described rectifying and voltage-stabilizing device connect, and described rectifying and voltage-stabilizing device is connected with described coil, described lower company
Access node structure is arranged on described metab, and described lower attachment structure is connected with described lower cable, by described metab with
Dock bottom described metal cap, make described lower attachment structure dock conduction with described upper attachment structure.
Downhole cable docking facilities the most according to claim 1, it is characterised in that described upper attachment structure include socket,
Normally closed actuation button, locking device, described socket is arranged on the described metal cap inwall below described coil, and described socket
Described metal cap inwall and described between metal column, described upper cable the second end is connected with described socket top, described
Being provided with the jack axially in parallel with described metal cap in socket, described jack is used for accommodating described lower attachment structure, described slotting
Described normally closed actuation button, described locking device, described normally closed actuation button and described rectification it is respectively arranged with on the sidewall in hole
Stable-pressure device, described coil are all connected with.
Downhole cable docking facilities the most according to claim 2, it is characterised in that described locking device include fixing cylinder,
Spring, plush copper, the sidewall of described jack is provided with perforation, and described fixing cylinder is arranged in described perforation, described plush copper and institute
Stating spring to be arranged at inside described fixing cylinder, and described plush copper is arranged near described jack, described spring promotes described plush copper
Stretching in described jack, described plush copper is for contacting spacing with described lower attachment structure.
Downhole cable docking facilities the most according to claim 3, it is characterised in that described lower attachment structure is wrapped from top to bottom
Including the insulated probe and the conduction body of rod being sequentially connected with, on the described conduction body of rod, the one end near described insulated probe is provided with locking
Groove, the described conduction body of rod is arranged on described metab, and described insulated probe inserts described jack with the described conduction body of rod
Time, the described conduction body of rod and the sidewall contact of described jack, described locking device is for engaging spacing with described locking groove.
Downhole cable docking facilities the most according to claim 4, it is characterised in that described metab includes lower metal column
With metal pedestal, described lower metal column is fixed in described metal pedestal, and described lower metal column is provided with in described metal pedestal
Through hole, the described conduction body of rod is arranged in the through hole on described lower metal column, under described lower cable one end and the described conduction body of rod
End connects, and the other end extends outside through the through hole in metal pedestal.
Downhole cable docking facilities the most according to claim 5, it is characterised in that described downhole cable docking facilities also wraps
Including insulation and sealing structure, described upper insulation and sealing structure includes the first insulated enclosure set and the first insulating seal connected,
Described first insulated enclosure set is sleeved on described socket outer wall, and described first insulating seal is positioned at below described socket, described
Being provided with the taper groove connected with described jack on first insulating seal, described lower attachment structure passes described taper groove
Entering described jack, described taper groove two ends difference in internal diameters is 1mm.
Downhole cable docking facilities the most according to claim 6, it is characterised in that described downhole cable docking facilities also wraps
Including lower insulation and sealing structure, described lower insulation and sealing structure includes the second insulated enclosure set and the 3rd insulation connected from top to bottom
Sealing shroud, described second insulated enclosure set is all sleeved on the external wall of described conducting rod with described 3rd insulated enclosure set, and institute
Stating the through hole that the second insulated enclosure set is positioned on described lower metal column, the external diameter of described 3rd insulated enclosure set is more than under described
The internal diameter of through hole on metal column, and described 3rd insulated enclosure set is stuck in the outside of through hole on described lower metal column, described conduction
When the body of rod inserts in described jack, described second insulated enclosure set seals laminating with described first insulating seal.
8. according to the downhole cable docking facilities described in claim 1-7, it is characterised in that described downhole cable docking facilities is also
Including centralising device, described centralising device is arranged between described metal cap and described metab.
Downhole cable docking facilities the most according to claim 8, it is characterised in that described centralising device includes that centering fills
Putting and lower centralising device, described upper centralising device is arranged on bottom described metal cap, and described lower centralising device is arranged on described gold
Belonging to base top, described upper centralising device coordinates with described lower centralising device para-position.
Downhole cable docking facilities the most according to claim 9, it is characterised in that described upper centralising device is for being arranged on
The multiple upper teeth of described metal cap bottom peripheral edge, the tooth top of each upper teeth is provided with projection, and described lower centralising device is for setting
Putting the multiple lower teeth at described metab top perimeter, be provided with described male cooperation at the bottom of the tooth of each lower teeth is recessed
Groove, described upper teeth coordinate with described lower teeth para-position, described upper centralising device are provided with outage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610680749.4A CN106299787B (en) | 2016-08-17 | 2016-08-17 | A kind of downhole cable docking facilities |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610680749.4A CN106299787B (en) | 2016-08-17 | 2016-08-17 | A kind of downhole cable docking facilities |
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| CN106299787A true CN106299787A (en) | 2017-01-04 |
| CN106299787B CN106299787B (en) | 2019-01-29 |
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| CN201610680749.4A Expired - Fee Related CN106299787B (en) | 2016-08-17 | 2016-08-17 | A kind of downhole cable docking facilities |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418018A (en) * | 2018-03-16 | 2018-08-17 | 武汉奇泰隆机械有限公司 | A kind of downhole electric drilling tool cable steel tube independent suspension connection sealing device |
| CN108747262A (en) * | 2018-06-20 | 2018-11-06 | 浙江亚太机电股份有限公司 | A kind of normally close valve press-loading device |
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| CN101567502A (en) * | 2008-04-25 | 2009-10-28 | 赵远明 | Socket connector holding device |
| CN201985341U (en) * | 2011-04-13 | 2011-09-21 | 江西省电力设备总厂 | Electric automobile charging pile plug socket with electronic self-locking device |
| CN202050089U (en) * | 2011-05-13 | 2011-11-23 | 福建交通职业技术学院 | Magnetic suction plug socket assembly |
| CN204858187U (en) * | 2015-05-06 | 2015-12-09 | 中国石油天然气股份有限公司 | Horizontal well logging cable interfacing apparatus |
| US20160024854A1 (en) * | 2014-07-22 | 2016-01-28 | Baker Hughes Incorporated | Side-Exit Motor Cable Connections |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567502A (en) * | 2008-04-25 | 2009-10-28 | 赵远明 | Socket connector holding device |
| CN201985341U (en) * | 2011-04-13 | 2011-09-21 | 江西省电力设备总厂 | Electric automobile charging pile plug socket with electronic self-locking device |
| CN202050089U (en) * | 2011-05-13 | 2011-11-23 | 福建交通职业技术学院 | Magnetic suction plug socket assembly |
| US20160024854A1 (en) * | 2014-07-22 | 2016-01-28 | Baker Hughes Incorporated | Side-Exit Motor Cable Connections |
| CN204858187U (en) * | 2015-05-06 | 2015-12-09 | 中国石油天然气股份有限公司 | Horizontal well logging cable interfacing apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108418018A (en) * | 2018-03-16 | 2018-08-17 | 武汉奇泰隆机械有限公司 | A kind of downhole electric drilling tool cable steel tube independent suspension connection sealing device |
| CN108747262A (en) * | 2018-06-20 | 2018-11-06 | 浙江亚太机电股份有限公司 | A kind of normally close valve press-loading device |
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|---|---|
| CN106299787B (en) | 2019-01-29 |
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