Automatically cleaning cable connector
Technical field
The present invention relates to petroleum industry natural gas drilling and extracting equipment technical field more particularly to a kind of automatically cleaning cable connections
Device.
Background technique
The history of existing more than 100 years of the invention of electrodrill drilling technology, but due to being limited by technical level, underground electricity
Dynamic drilling tool just causes the concern of international drilling well circle for several years up to date.As western countries' electrodrills such as Russia and the U.S. bore
The application of well technology, embody its advantage more and more: downhole electric drilling tool does not drive by drilling fluid, therefore has than underground
Turbodrill and the wider use scope of underground helicoid hydraulic motor and lower drilling cost.Drive the energy of mud motor
It is transmitted by drilling fluid, air or cable, and the use of downhole cable, the transmitting for power and down-hole information on well provide
Platform will be that the development for the downhole electric drilling tool technology being gradually improved lays the foundation.
In electrodrill well system, special cable generally, on drilling rod is installed and special male and female coupling cable connects
Device is connect to be attached.When operation, cable connector is realized in well head using rotation docking mode, is placed in hyperbaric environment after connection again
Under drilling fluid in work.But in shaft mouth operation, cable connector is necessarily by the pollution of drilling fluid, common cable connection
Device cannot achieve the needs repeatedly plugged due to pollution.In order to ensure electrodrill electric power conveying and control signal transmission,
The cable connector for needing to have self-cleaning function guarantees the highly reliable plug connection during wireline operation.
The present inventor based on years of experience and practice in relevant industries, proposes a kind of automatically cleaning cable connection as a result,
Device, the reliability requirement of plug connection when meeting shaft mouth operation.
Summary of the invention
The purpose of the present invention is to provide a kind of automatically cleaning cable connectors, overcome common cable connector in the prior art
The problem of being polluted in operation process and cannot achieve highly reliable plug.The structure of the cable connector is simple, flexible structure
It can be realized the automatically cleaning of the cable connector in swapping process with the interconnection of rigid structure.
The object of the present invention is achieved like this, a kind of automatically cleaning cable connector, the automatically cleaning cable connector packet
Socket structure and plug construction are included, the socket structure includes for conductive contact pin portion, one end fixing sleeve in the contact pin portion
If one end of flexible socket insulating sheath, the contact pin portion is electrically connected with the first cable, set the contact pin portion with it is described
The position of first cable electrical connection is first connecting portion, and first connection is coatedly arranged in the socket insulating sheath sealing
The outside in portion;The plug construction includes plug conducting portion, and the one end in the plug conducting portion is electrically connected with the second cable, setting
The position that the plug conducting portion is electrically connected with second cable is second connecting portion, the plug conducting portion and described second
Flexible plug insulating sheath is coatedly arranged in the outer side seal of interconnecting piece, and one end of the plug insulating sheath is inserted to described
The direction perforation of head conductive part, which is extended, the spliced eye that can clean contact pin portion outer wall, and the internal diameter of the spliced eye is less than
The outer diameter in the contact pin portion.
In a preferred embodiment of the present invention, the contact pin portion include be spaced apart from each other and mutually insulated setting the
The first core in one contact pin conductive core and the second contact pin conductive core, one end of the first contact pin conductive core and first cable
Line electrical connection, one end of the second contact pin conductive core is electrically connected with the second core wire in first cable.
In a preferred embodiment of the present invention, the other end of the first contact pin conductive core be equipped with outer diameter increase and
The side wall of first cylindrical body of the relatively described first core wire eccentric setting, first cylindrical body constitutes the first conducting contact;
Be provided with the first through hole on first cylindrical body, one end of the second contact pin conductive core pass through first through hole with
The second core wire electrical connection, mutually insulated between the side wall of the second contact pin conductive core and the side wall of first through hole
Interval, the second contact pin conductive core are equipped with the of the relatively described second core wire eccentric setting far from one end of second core wire
Two cylindrical bodies, second cylindrical body are located at side of first cylindrical body far from first core wire and with described first
Cylindrical body coaxial arrangement, the outer diameter of second cylindrical body is identical as the outer diameter of first cylindrical body, second cylindrical body
Side wall constitute the second conducting contact.
In a preferred embodiment of the present invention, the first contact pin conductive core and the second contact pin conductive core use
The surface of lead and yellow-collation copper product, the lead and yellow-collation copper product uses silver-plated process.
In a preferred embodiment of the present invention, between the first contact pin conductive core and the second contact pin conductive core
It is provided with intermediate seal insulating layer, the first contact pin conductive core and the second contact pin conductive core pass through conductive core insulating unit
Plastic compression constitutes the contact pin portion, and the conductive core insulating unit and first cylindrical body are coaxially disposed.
In a preferred embodiment of the present invention, the conductive core insulating unit is that fire resistant epoxy molds material unit.
In a preferred embodiment of the present invention, the plug conducting portion include be spaced apart from each other and mutually insulated be arranged
The first conductive part and the second conductive part, one end of first conductive part is electrically connected with the third core wire in second cable
It connects, one end of second conductive part is electrically connected with the quad in second cable.
In a preferred embodiment of the present invention, first conductive part include be electrically connected with the third core wire and
First conducting ring of the relatively described third core wire eccentric setting, another end opening closed at one end of first conducting ring are described
The other end interior contact of first conducting ring is arranged with the first hat spring for plugging electrical connection first conducting contact, institute
It states the first hat spring and matches setting with first conducting contact;
Second conductive part include be electrically connected with the quad, the relatively described quad eccentric setting second
Conducting ring, second conducting ring is located inside first conducting ring, coaxial with first conducting ring and insulation gap is set
It sets, second conducting ring and the first hat spring axially spaced-apart setting, the other end closed at one end of second conducting ring are opened
Mouthful, the interior contact of second conducting ring is arranged with the second hat spring for plugging electrical connection second conducting contact,
The second hat spring matches setting with second conducting contact;
The second hat spring, the first hat spring and the spliced eye coaxially penetrate through setting.
In a preferred embodiment of the present invention, described closed one end of first conducting ring, which extends outwardly, is provided with and institute
The first conductive core pole stating the coaxial arrangement of third core wire and being electrically connected with the third core wire;First conducting ring is closed
One end is provided with the second through hole, described closed one end of second conducting ring extend outwardly be provided with it is coaxial with the quad
It is arranged and passes through the second conductive core pole that second through hole is electrically connected with the quad, second conductive core pole
Side wall and second through hole side wall between mutually insulated interval.
In a preferred embodiment of the present invention, the other end contact sleeve of first conducting ring is equipped with the first hat spring set
Cylinder, it is described first hat spring sleeve in contact is arranged it is described first hat spring, it is described first hat spring sleeve and second conducting ring it
Between be provided with the first insulation sleeve, being internally provided with for first insulation sleeve is coaxial with the spliced eye and perforation setting first
It is single to be provided with conducting ring insulation for insulation sleeve through-hole between the inner wall of first conducting ring and the outer wall of second conducting ring
Member.
In a preferred embodiment of the present invention, the outside of the socket insulating sheath and the plug insulating sheath is equal
It is arranged with mounting ear structure.
In a preferred embodiment of the present invention, the socket insulating sheath and the plug insulating sheath are vulcanization
Rubber structure.
From the above mentioned, automatically cleaning cable connector provided by the invention, socket structure mold material list using fire resistant epoxy
Two root cutting needle conductive cores are inlayed plastic compression together by member, belong to rigid structure, and plug construction is integrally formed using the vulcanization of rubber, are belonged to
It is interference fitted between flexible structure, the contact pin portion of socket structure and the spliced eye of plug construction, the aperture of spliced eye is slightly less than
The diameter in contact pin portion, greasy dirt silt being wiped off by the rubber of spliced eye during plugging together in cable connector in contact pin portion, this hair
The elasticity of rubber material is utilized in the automatically cleaning cable connector of bright offer, and hard and soft plug together reaches self-cleaning purpose;The present invention
Automatically cleaning cable connector in, in order to promote the self-cleaning effect of cable connector, when contact pin portion is plugged together into spliced eye
Spiral promotion connects between contact pin portion and the first cable, between plug conducting portion and the second cable using eccentric, and contact pin portion
It is arranged concentrically with plug conducting portion;Automatically cleaning cable connector of the invention plugs together leakproofness, good insulation preformance, realizes electronic
The conveying of drilling tool electric power and control the transmission of signal while, have higher reliability, and automatically cleaning cable connector of the invention exists
Have broad application prospects on petroleum industry natural gas drilling and extracting equipment.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 a: for the structural schematic diagram of socket structure of the invention.
Fig. 1 b: for the structural schematic diagram in the contact pin portion of socket structure of the invention.
Fig. 2 a: for the structural schematic diagram of plug construction of the invention.
Fig. 2 b: for the structural schematic diagram in the plug conducting portion of plug construction of the invention.
Fig. 3 a: for socket structure of the invention and plug construction socket plug together process schematic.
Fig. 3 b: rear schematic diagram is plugged together for socket structure and plug construction of the invention.
Fig. 3 c: schematic diagram at rear spliced eye is plugged together for socket structure and plug construction of the invention.
In figure:
1, socket structure;
11, contact pin portion;
111, the first contact pin conductive core;1111, the first cylindrical body;1112, the first through hole;
112, the second contact pin conductive core;1121, the second cylindrical body;
113, the first conducting contact;
114, the second conducting contact;
115, intermediate seal insulating layer;
116, conductive core insulating unit;
12, socket insulating sheath;
2, plug construction;
21, plug insulating sheath;211, spliced eye;
22, plug conducting portion;
221, the first conductive part;2211, the first conducting ring;2212, the first conductive core pole;2213, the second through hole;
2214, the first hat spring sleeve;
222, the second conductive part;2221, the second conducting ring;2222, the second conductive core pole;
223, the first hat spring;
224, the second hat spring;
225, the first insulation sleeve;2251, the first insulation sleeve through-hole;
226, conducting ring insulating unit;
3, the first cable;31, the first core wire;32, the second core wire;
4, the second cable;41, third core wire;42, quad;
5, mounting ear structure.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.
As shown in Fig. 1 a, Fig. 1 b, Fig. 2 a, Fig. 2 b, Fig. 3 a, Fig. 3 b, Fig. 3 c, the present invention provides a kind of automatically cleaning cable companies
Device is connect, automatically cleaning cable connector includes that socket structure 1 and plug construction 2 (in this field, usually define in cable connection structure
Opposing stationary structure is socket structure, and the structure of relative motion is plug construction), socket structure 1 includes inserting for conductive
Needle portion 11, one end fixing sleeve in contact pin portion 11 set flexible socket insulating sheath 12, the one end in contact pin portion 11 and the first cable 3
Electrical connection set position that contact pin portion 11 is electrically connected with the first cable 3 as first connecting portion, and socket insulating sheath 12, which seals, to be coated
The outside of first connecting portion is arranged in ground;Plug construction 2 includes plug conducting portion 22, the one end in plug conducting portion 22 and the second electricity
Cable 4 is electrically connected, and sets position that plug conducting portion 22 is electrically connected with the second cable 4 as second connecting portion, 22 He of plug conducting portion
The outer side seal of second connecting portion is coatedly arranged flexible plug insulating sheath 21, and one end of plug insulating sheath 21 is to inserting
The direction perforation of head conductive part 22, which is extended, the spliced eye 211 that can clean 11 outer wall of contact pin portion, and spliced eye 211 is led with plug
The electric connection of portion 22 setting, in a specific embodiment of the invention, the seal request to cable connector is born after plugging together
The inside of flexible plug insulating sheath 21 is arranged in as the spliced eye 211 for plugging together interface for the hydrostatic pressure of 70MPa,
It can be realized and the flowing of fluid is blocked or controlled under plugging state reach the requirement of sealing;The internal diameter of spliced eye 211 is less than contact pin
The outer diameter in portion 11 as shown in Fig. 3 a, Fig. 3 c, is provided with the spiral of protrusion in the present embodiment on the inner wall of spliced eye 211
Line, during being plugged together with realization, spliced eye 211 plays good sealing effect after plugging together.In the present embodiment, the first electricity
Cable 3 and the second cable 4 are armored cable.In automatically cleaning cable connector provided by the invention, contact pin subordinate in socket structure 1
It is located at external plug insulating sheath 21 in rigid structure, plug construction 2 to be integrally formed by the vulcanization of rubber, belongs to flexible knot
Structure is interference fitted between the contact pin portion 11 of socket structure 1 and the spliced eye 211 of plug construction 2, i.e. the aperture of spliced eye 211 is small
Outer diameter in contact pin portion 11, the greasy dirt silt in contact pin portion 11, which is wiped off during plugging together by the rubber at spliced eye 211, (to be plugged together
Journey is as shown in Figure 3a), it ensure that cable connector normal use in silt water environment;Automatically cleaning cable provided by the invention connects
The elasticity that rubber material is utilized in device is connect, hard and soft plug together reaches self-cleaning purpose.
Further, as shown in Figure 1 a, 1 b, contact pin portion 11 include be spaced apart from each other and mutually insulated setting the first contact pin
The first core wire 31 in conductive core 111 and the second contact pin conductive core 112, one end of the first contact pin conductive core 111 and the first cable 3
Electrical connection, one end of the second contact pin conductive core 112 is electrically connected with the second core wire 32 in the first cable 3.The contact pin in contact pin portion 11
The quantity of conductive core is also possible to 3 or more, and particular number is determined according to the core wire quantity Matching in the cable actually connected.
Further, as shown in Figure 1 a, 1 b, the other end of the first contact pin conductive core 111 is equipped with outer diameter and increases and opposite the
The side wall of first cylindrical body 1111 of one core wire, 31 eccentric setting, the first cylindrical body 1111 constitutes the first conducting contact 113;The
The first through hole 1112 is provided on one cylindrical body 1111, one end of the second contact pin conductive core 112 passes through the first through hole 1112
It is electrically connected with the second core wire 32, mutually insulated between the side wall of the second contact pin conductive core 112 and the side wall of the first through hole 1112
Interval, the second contact pin conductive core 112 are equipped with the second circle of opposite second core wire, 32 eccentric setting far from one end of the second core wire 32
Cylinder 1121, the second cylindrical body 1121 be located at side of first cylindrical body 1111 far from the first core wire 31 and with the first cylindrical body
1111 coaxial arrangements, the outer diameter of the second cylindrical body 1121 is identical as the outer diameter of the first cylindrical body 1111, the second cylindrical body 1121
Side wall constitutes the second conducting contact 114.First conducting contact 113 and the coaxial arrangement of the second conducting contact 114, guarantee to insert
Needle portion 11 can smoothly enter into and by completing conductive function after spliced eye 211.
In the present embodiment, the first contact pin conductive core 111 and the second contact pin conductive core 112 use lead and yellow-collation copper product, lead
Brass material has good intensity, electric conductivity and processing technology, and the surface of lead and yellow-collation copper product uses silver-plated process, conductive
Property, inoxidizability and welding performance are excellent.
Further, as shown in Figure 1 a, 1 b, it is provided between the first contact pin conductive core 111 and the second contact pin conductive core 112
Intermediate seal insulating layer 115, intermediate seal insulating layer 115 can guarantee the insulating properties and sealing between two contact pin conductive cores
Property.First contact pin conductive core 111 and the second contact pin conductive core 112 are integrated composition by 116 plastic compression of conductive core insulating unit and insert
Needle portion 11, conductive core insulating unit 116 and the first cylindrical body 1111 are coaxially disposed.
In the present embodiment, conductive core insulating unit 116 is that fire resistant epoxy molds material unit, fire resistant epoxy molding
Material insulation, pressure resistance are had excellent performance, and completed state is good.
Further, as shown in Fig. 2 a, Fig. 2 b, plug conducting portion 22 include be spaced apart from each other and mutually insulated setting first
Conductive part 221 and the second conductive part 222, one end of the first conductive part 221 are electrically connected with the third core wire 41 in the second cable 4,
One end of second conductive part 222 is electrically connected with the quad 42 in the second cable 4.
Further, as shown in Fig. 2 a, Fig. 2 b, the first conductive part 221 includes being electrically connected with third core wire 41 and with respect to third
First conducting ring 2211 of 41 eccentric setting of core wire, another end opening closed at one end of the first conducting ring 2211, the first conducting ring
2211 other end interior contact is arranged with the first hat spring 223 for plugging the first conducting contact 113 of electrical connection, the first hat
Spring 223 matches setting with the first conducting contact 113, and as shown in Figure 3b, automatically cleaning cable connector of the invention is plugging together shape
Under state, the first core wire 31 in the first cable 3 passes through in the first conducting contact 113 in socket structure 1, plug construction 2
First hat spring 223 realization is electrically connected with the third core wire 41 in the second cable 4;
Second conductive part 222 includes being electrically connected with quad 42, with respect to the second conduction of 42 eccentric setting of quad
Ring 2221, the second conducting ring 2221 is located inside the first conducting ring 2211, coaxial with the first conducting ring 2211 and insulation gap is set
It sets, the second conducting ring 2221 and the first hat 223 axially spaced-apart of spring setting, the other end closed at one end of the second conducting ring 2221 are opened
Mouthful, the interior contact of the second conducting ring 2221 is arranged with the second hat spring for plugging the second conducting contact 114 of electrical connection
224, the second hat spring 224 matches setting with the second conducting contact 114, as shown in Figure 3b, automatically cleaning cable connection of the invention
For device under plugging state, the second core wire 32 in the first cable 3 passes through the second conducting contact 114, the plug in socket structure 1
The second hat spring 224 in structure 2 realize with being electrically connected of the quad 42 in the second cable 4 (during being plugged together,
Power supply is to disconnect);
As shown in Fig. 2 a, Fig. 2 b, the second hat spring 224, first is preced with the coaxially perforation setting of spring 223 and spliced eye 211, contact pin portion
11 the first conducting contact 113 and the second conducting contact 114 are preced with the first hat spring 223, second respectively by spliced eye 211
The contact electrical connection of spring 224.
Further, as shown in Fig. 2 a, Fig. 2 b, the closed one end of the first conducting ring 2211, which extends outwardly, to be provided with and third core
The first conductive core pole 2212 that line 41 is coaxially disposed and is electrically connected with third core wire 41;The closed one end of first conducting ring 2211
It is provided with the second through hole 2213, the closed one end of the second conducting ring 2221 extends outwardly to be provided with coaxially to be set with quad 42
Set and pass through the second conductive core pole 2222 that the second through hole 2213 is electrically connected with quad 42, the second conductive core pole 2222
Side wall and the second through hole 2213 side wall between mutually insulated interval.
Further, as shown in Fig. 2 a, Fig. 2 b, the other end contact sleeve of the first conducting ring 2211 is equipped with the first hat spring sleeve
2214, contact is arranged the first hat spring 223 in the first hat spring sleeve 2214, the first hat spring sleeve 2214 and the second conducting ring 2221 it
Between be provided with the first insulation sleeve 225, the first insulation sleeve 225 is internally provided with coaxial with spliced eye 211 and perforation setting the
It is exhausted to be provided with conducting ring between the inner wall of first conducting ring 2211 and the outer wall of the second conducting ring 2221 for one insulation sleeve through-hole 2251
Edge unit 226.
As shown in Fig. 1 a, Fig. 2 a, in the present embodiment, for the ease of installation connection, socket insulating sheath 12 and plug
The outside of insulating sheath 21 is arranged with mounting ear structure 5.In the present embodiment, mounting ear structure 5 uses stainless steel material,
Specific material can be 022Cr17Ni 12Mo2 stainless steel, also referred to as titanium steel, and titanium steel hardness is high and has good corrosion-resistant
Property, it can satisfy the requirement under silt water environment.
Further, socket insulating sheath 12 and plug insulating sheath 21 are vulcanized rubber structure.In the present embodiment,
Vulcanized rubber uses cold 63-1, and completed state is good, and strong with metal adhesive, sealing effect is good.In the present embodiment, it inserts
In holder structure 1, the first contact pin conductive core 111 and the second contact pin conductive core 112 are made up of 116 plastic compression of conductive core insulating unit and insert
Needle portion 11, contact pin portion 11 are electrically connected with the fixation of the first cable 3, are carried out the whole composition that vulcanizes using vulcanization of rubber mode after connection and are inserted
Seat insulating sheath 12, the sealing that socket insulating sheath 12 realizes the first connecting portion between contact pin portion 11 and the first cable 3 are protected
Shield;In plug construction 2, complete to be dielectrically separated from assembling between first conductive part 221 in plug conducting portion 22, the second conductive part 222
Afterwards, the first conducting ring 2211, the second conducting ring 2221 are electrically connected with the second cable 4, and it is exhausted to carry out whole vulcanization composition plug later
Edge sheath 21, while spliced eye 211 is formed in sulfidation, plug insulating sheath 21 is realized to plug conducting portion 22 and the
The seal protection of the second connecting portion of two cables 4 electrical connection.In socket structure 1 and plug construction 2, the socket taken full advantage of is exhausted
The tensility of the rubber material of edge sheath 12 and plug insulating sheath 21, with realize plug together during rigid flexible system, reach from
Clean function.
From the above mentioned, automatically cleaning cable connector provided by the invention, socket structure mold material list using fire resistant epoxy
Two root cutting needle conductive cores are inlayed plastic compression together by member, belong to rigid structure, and plug construction is integrally formed using the vulcanization of rubber, are belonged to
It is interference fitted between flexible structure, the contact pin portion of socket structure and the spliced eye of plug construction, the aperture of spliced eye is slightly less than
The diameter in contact pin portion, greasy dirt silt being wiped off by the rubber of spliced eye during plugging together in cable connector in contact pin portion, this hair
The elasticity of rubber material is utilized in the automatically cleaning cable connector of bright offer, and hard and soft plug together reaches self-cleaning purpose;The present invention
Automatically cleaning cable connector in, in order to promote the self-cleaning effect of cable connector, when contact pin portion is plugged together into spliced eye
Spiral promotion connects between contact pin portion and the first cable, between plug conducting portion and the second cable using eccentric, and contact pin portion
It is arranged concentrically with plug conducting portion;Automatically cleaning cable connector of the invention plugs together leakproofness, good insulation preformance, realizes electronic
The conveying of drilling tool electric power and control the transmission of signal while, have higher reliability, and automatically cleaning cable connector of the invention exists
Have broad application prospects on petroleum industry natural gas drilling and extracting equipment.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent changes and modifications under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.