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 connection
Device.
Background technology
The invention of electrodrill drilling technology has the history of more than 100 years, but due to being limited by technical merit, down-hole electricity
The concern that dynamic drilling tool just causes international drilling well circle in several years up to date.As the western countries such as Russia and U.S. electrodrill is bored
The application of well technology, embodies more and more its advantage:Downhole electric drilling tool does not drive by drilling fluid, therefore with than down-hole
Turbodrill and the wider use range of down-hole helicoid hydraulic motor and lower drilling cost.Drive the energy of mud motor
Transmitted by drilling fluid, air or cable, and the use of downhole cable, the transmission for the power on well and down-hole information is provided
Platform, will be that the development of the downhole electric drilling tool technology being gradually improved lays the foundation.
In electrodrill well system, usually, special cable is installed on drilling rod and special male and female coupling cable connects
Connect device to be attached.During operation, cable connector is realized in well head using rotation docking mode, is placed in environment under high pressure after connection again
Under drilling fluid in work.But in shaft mouth operation, cable connector is necessarily polluted by drilling fluid, common cable connection
Device cannot realize the needs of multiple plug due to pollution.In order to ensure the conveying and the transmission of control signal of electrodrill electric power,
Need the cable connector with self-cleaning function, it is ensured that the highly reliable plug connection during wireline operation.
Thus, the present inventor proposes a kind of automatically cleaning cable connection by the experience and practice of being engaged in relevant industries for many years
Device, to meet the reliability requirement of plug connection during shaft mouth operation.
The content of the invention
It is an object of the invention to provide a kind of automatically cleaning cable connector, overcomes common cable adapter in prior art
Polluted in operation process and the problem of highly reliable plug cannot be realized.The simple structure of the cable connector, flexible structure
With the automatically cleaning for being connected with each other the cable connector that can be realized in swapping process 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 bag
Socket and plug construction are included, the socket is included for conductive contact pin portion, one end fixed cover in the contact pin portion
If resilient socket insulating sheath, the one end in the contact pin portion electrically connects with the first cable, set the contact pin portion with it is described
The position of the first cable electrical connection is first connecting portion, and the socket insulating sheath sealing is coatedly arranged on first connection
The outside in portion;The plug construction includes plug conducting portion, and the one end in the plug conducting portion electrically connects with the second cable, sets
The position that the plug conducting portion electrically connects with second cable be second connecting portion, the plug conducting portion and described second
The outer side seal of connecting portion coatedly arranges resilient plug insulating sheath, and one end of the plug insulating sheath is inserted to described
The direction insertion of head conductive part 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 external diameter in the contact pin portion.
In a better embodiment of the present invention, the contact pin portion include that spaced and mutually insulated arranges 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 is electrically connected, and one end of the second contact pin conductive core electrically connects with the second heart yearn in first cable.
In a better embodiment of the present invention, the other end of the first contact pin conductive core be provided with external diameter increase and
First cylinder of relatively described first heart yearn eccentric setting, the side wall of first cylinder constitutes the first conducting contact;
Be provided with the first through hole on first cylinder, one end of the second contact pin conductive core through first through hole with
The second heart yearn 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 is provided with the of relatively described second heart yearn eccentric setting away from one end of second heart yearn
Two cylinders, second cylinder is located at first cylinder away from the side of first heart yearn and with described first
Cylinder is coaxially disposed, and the external diameter of second cylinder is identical with the external diameter of first cylinder, second cylinder
Side wall constitute the second conducting contact.
In a better embodiment of the present invention, the first contact pin conductive core and the second contact pin conductive core are adopted
Lead and yellow-collation copper product, the surface of the lead and yellow-collation copper product adopts silver-plated process.
In a better embodiment of the present invention, between the first contact pin conductive core and the second contact pin conductive core
Intermediate seal insulating barrier is provided with, 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 is coaxially disposed with first cylinder.
In a better embodiment of the present invention, the conductive core insulating unit is that fire resistant epoxy molds material unit.
In a better embodiment of the present invention, the plug conducting portion includes that spaced and mutually insulated is arranged
The first conductive part and the second conductive part, one end of first conductive part is electrically connected with the 3rd heart yearn in second cable
Connect, one end of second conductive part electrically connects with the quad in second cable.
In a better embodiment of the present invention, first conductive part include being electrically connected with the 3rd heart yearn and
Another end opening is closed in first conducting ring of relatively described 3rd heart yearn eccentric setting, one end of first conducting ring, described
The other end interior contact of the first conducting ring is arranged with the first hat spring for plugging electrical connection first conducting contact, institute
State the first hat spring and match setting with first conducting contact;
Second conductive part include with the quad electrical connection, the relative quad eccentric setting second
Conducting ring, second conducting ring is coaxial with first conducting ring inside first conducting ring and insulation gap sets
Put, second conducting ring is arranged with the described first hat spring axially spaced-apart, one end closing other end of second conducting ring is 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 coaxial insertion of the spliced eye are arranged.
In a better embodiment of the present invention, one end of the described first conductive ring seal stretches out and is provided with and institute
State the first conductive core pole that the 3rd heart yearn is coaxially disposed and electrically connects with the 3rd heart yearn;Described first conductive ring seal
One end is provided with the second through hole, one end of the described second conductive ring seal stretch out be provided with it is coaxial with the quad
The second conductive core pole for arranging and electrically connecting with the quad through second through hole, second conductive core pole
Side wall and the side wall of second through hole between mutually insulated interval.
In a better embodiment of the present invention, the other end contact of first conducting ring is arranged 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, first insulation sleeve is internally provided with and insertion coaxial with the spliced eye is arranged first
Conducting ring insulation is provided between the outer wall of insulation sleeve through hole, the inwall of first conducting ring and second conducting ring single
Unit.
In a better 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 better embodiment of the present invention, the socket insulating sheath and the plug insulating sheath are sulfuration
Rubber structure.
From the above mentioned, the automatically cleaning cable connector that the present invention is provided, socket molds material list using fire resistant epoxy
Two contact pin conductive cores are inlayed plastic compression together by unit, belong to rigid structure, and plug construction is integrally formed using the vulcanization of rubber, category
The interference fit between flexible structure, the contact pin portion of socket and the spliced eye of plug construction, the aperture of spliced eye is slightly less than
The diameter in contact pin portion, the greasy dirt silt in contact pin portion is wiped off during the plugging together of cable connector by the rubber of spliced eye, this
The automatically cleaning cable connector of bright offer make use of the elasticity of elastomeric material, hard and soft plugging together to reach self-cleaning purpose;The present invention
Automatically cleaning cable connector in, in order to lift the automatically cleaning effect of cable connector, when contact pin portion is plugged together in spliced eye
Spiral promotion, using eccentric connection between contact pin portion and the first cable, between plug conducting portion and the second cable, and contact pin portion
It is arranged concentrically with plug conducting portion;The automatically cleaning cable connector of the present invention plugs together sealing, good insulation preformance, realizes electronic
The automatically cleaning cable connector for having higher reliability, the present invention while conveying of drilling tool electric power and the transmission of control signal exists
Have broad application prospects on petroleum industry natural gas drilling and extracting equipment.
Description of the drawings
The following drawings is only intended in schematic illustration and explanation is done to the present invention, is not delimit the scope of the invention.Wherein:
Fig. 1 a:For the structural representation of the socket of the present invention.
Fig. 1 b:For the structural representation in the contact pin portion of the socket of the present invention.
Fig. 2 a:For the structural representation of the plug construction of the present invention.
Fig. 2 b:For the structural representation in the plug conducting portion of the plug construction of the present invention.
Fig. 3 a:For the socket and plug construction socket plug together process schematic of the present invention.
Fig. 3 b:Socket and plug construction for the present invention plugs together rear schematic diagram.
Fig. 3 c:Socket and plug construction for the present invention plugs together schematic diagram at rear spliced eye.
In figure:
1st, socket;
11st, contact pin portion;
111st, the first contact pin conductive core;1111st, the first cylinder;1112nd, the first through hole;
112nd, the second contact pin conductive core;1121st, the second cylinder;
113rd, the first conducting contact;
114th, the second conducting contact;
115th, intermediate seal insulating barrier;
116th, conductive core insulating unit;
12nd, socket insulating sheath;
2nd, plug construction;
21st, plug insulating sheath;211st, spliced eye;
22nd, plug conducting portion;
221st, the first conductive part;2211st, the first conducting ring;2212nd, the first conductive core pole;2213rd, the second through hole;
2214th, the first hat spring sleeve;
222nd, the second conductive part;2221st, the second conducting ring;2222nd, the second conductive core pole;
223rd, the first hat spring;
224th, the second hat spring;
225th, the first insulation sleeve;2251st, the first insulation sleeve through hole;
226th, conducting ring insulating unit;
3rd, the first cable;31st, the first heart yearn;32nd, the second heart yearn;
4th, the second cable;41st, the 3rd heart yearn;42nd, quad;
5th, mounting ear structure.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now control illustrates this
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 invention provides a kind of automatically cleaning cable connects
Device is connect, automatically cleaning cable connector includes that socket 1 and plug construction 2 (in this area, are generally defined in cable connection structure
The structure of geo-stationary is socket, and the structure of relative motion is plug construction), socket 1 includes being inserted for conductive
The socket insulating sheath 12 for being arranged with elasticity, the one end in contact pin portion 11 and the first cable 3 are fixed in pin portion 11, the one end in contact pin portion 11
Electrical connection, set position that contact pin portion 11 electrically connects with the first cable 3 as first connecting portion, and socket insulating sheath 12 is sealed and coated
Be arranged on the outside of first connecting portion;Plug construction 2 includes plug conducting portion 22, and the one end in plug conducting portion 22 is electric with second
Cable 4 is electrically connected, and sets position that plug conducting portion 22 electrically connects with the second cable 4 as second connecting portion, the He of plug conducting portion 22
The outer side seal of second connecting portion coatedly arranges resilient plug insulating sheath 21, and one end of plug insulating sheath 21 is to inserting
The direction insertion of head conductive part 22 is extended the spliced eye 211 that can clean the outer wall of contact pin portion 11, and spliced eye 211 is led with plug
The connection of electric portion 22 is arranged, in a specific embodiment of the present invention, to the seal request of cable connector be plug together after bear
The hydrostatic pressure of 70MPa, the inside for having resilient plug insulating sheath 21 is arranged on as the spliced eye 211 for plugging together interface,
Can realize that the flowing that fluid is blocked or controlled under plugging state reaches the requirement of sealing;The internal diameter of spliced eye 211 is less than contact pin
The external diameter in portion 11, in the present embodiment, as shown in Fig. 3 a, Fig. 3 c, is provided with the spiral of projection on the inwall of spliced eye 211
Line, during realizing plugging together, spliced eye 211 plays good sealing effectiveness after plugging together.In the present embodiment, first is electric
The cable 4 of cable 3 and second is armored cable.In the automatically cleaning cable connector that the present invention is provided, contact pin subordinate in socket 1
Externally-located plug insulating sheath 21 in rigid structure, plug construction 2 is integrally formed by the vulcanization of rubber, belongs to flexible knot
Structure, interference fit between the contact pin portion 11 of socket 1 and the spliced eye 211 of plug construction 2, the i.e. aperture of spliced eye 211 is little
In the external diameter in contact pin portion 11, the greasy dirt silt in contact pin portion 11 is wiped off by the rubber at spliced eye 211 during plugging together and (plugged together
Journey is as shown in Figure 3 a), it is ensured that cable connector is normally used in silt water environment;The automatically cleaning cable that the present invention is provided connects
The elasticity that device make use of elastomeric material is connect, hard and soft plugging together reaches self-cleaning purpose.
Further, as shown in Figure 1 a, 1 b, contact pin portion 11 includes the first contact pin that spaced and mutually insulated is arranged
The first heart yearn 31 in the contact pin conductive core 112 of conductive core 111 and second, 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 electrically connects with the second heart yearn 32 in the first cable 3.The contact pin in contact pin portion 11
The quantity of conductive core can also be 3 and more than, particular number determines according to the heart yearn quantity Matching in the cable of actual connection.
Further, as shown in Figure 1 a, 1 b, the other end of the first contact pin conductive core 111 is provided with external diameter increase and relative the
First cylinder 1111 of the eccentric setting of one heart yearn 31, the side wall of the first cylinder 1111 constitutes the first conducting contact 113;The
The first through hole 1112 is provided with one cylinder 1111, one end of the second contact pin conductive core 112 passes through the first through hole 1112
Electrically connect with the second heart yearn 32, mutually insulated between the side wall of the side wall of the second contact pin conductive core 112 and the first through hole 1112
Interval, the second contact pin conductive core 112 is provided with the second circle of the relative eccentric setting of second heart yearn 32 away from one end of the second heart yearn 32
Cylinder 1121, the second cylinder 1121 be located at the first cylinder 1111 away from the side of the first heart yearn 31 and with the first cylinder
1111 are coaxially disposed, and the external diameter of the second cylinder 1121 is identical with the external diameter of the first cylinder 1111, the second cylinder 1121
Side wall constitutes the second conducting contact 114.First conducting contact 113 and the second conducting contact 114 are coaxially disposed, it is ensured that insert
Pin portion 11 can smoothly enter into and through the function that conduction is completed after spliced eye 211.
In the present embodiment, the first contact pin conductive core 111 and the second contact pin conductive core 112 adopt lead and yellow-collation copper product, lead
The surface that brass material has good intensity, electric conductivity and processing technology, lead and yellow-collation copper product adopts silver-plated process, conductive
Property, non-oxidizability 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 barrier 115, intermediate seal insulating barrier 115 ensure that the insulating properties between two contact pin conductive cores and sealing
Property.First contact pin conductive core 111 and the second contact pin conductive core 112 are integrated composition and insert by the plastic compression of conductive core insulating unit 116
Pin portion 11, conductive core insulating unit 116 is coaxially disposed with the first cylinder 1111.
In the present embodiment, conductive core insulating unit 116 is that fire resistant epoxy molds material unit, fire resistant epoxy molding
Material insulation, pressure excellent performance, completed state is good.
Further, as shown in Fig. 2 a, Fig. 2 b, plug conducting portion 22 includes first that spaced and mutually insulated is arranged
The conductive part 222 of conductive part 221 and second, one end of the first conductive part 221 electrically connects with the 3rd heart yearn 41 in the second cable 4,
One end of second conductive part 222 electrically connects 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 the 3rd heart yearn 41 and the relative 3rd
Close another end opening, the first conducting ring in first conducting ring 2211 of the eccentric setting of heart yearn 41, one end of the first conducting ring 2211
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 3 b, the automatically cleaning cable connector of the present invention is plugging together shape
Under state, the first heart yearn 31 in the first cable 3 is by the first conducting contact 113, the plug construction 2 in socket 1
First hat spring 223 realizes the electrical connection with the 3rd heart yearn 41 in the second cable 4;
Second conductive part 222 includes being electrically connected with quad 42, the relative eccentric setting of quad 42 it is second conductive
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 sets
Put, the second conducting ring 2221 and the first hat spring 223 axially spaced-apart are arranged, one end closing other end of the second conducting ring 2221 is 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 3 b, the automatically cleaning cable connection of the present invention
Under plugging state, the second heart yearn 32 in the first cable 3 is by the second conducting contact 114, plug in socket 1 for device
In structure 2 second hat spring 224 realize with the second cable 4 in quad 42 electrical connection (during being plugged together,
Power supply is to disconnect);
As shown in Fig. 2 a, Fig. 2 b, the second hat spring 224, first hat spring 223 and the coaxial insertion of spliced eye 211 are arranged, contact pin portion
11 the first conducting contact 113 and the second conducting contact 114 are preced with respectively through spliced eye 211 with the first hat spring 223, second
The contact electrical connection of spring 224.
Further, as shown in Fig. 2 a, Fig. 2 b, one end of the closing of the first conducting ring 2211 stretches out and is provided with and the 3rd core
The first conductive core pole 2212 that line 41 is coaxially disposed and electrically connects with the 3rd heart yearn 41;One end of the closing of first conducting ring 2211
The second through hole 2213 is provided with, one end of the closing of the second conducting ring 2221 stretches out to be provided with and coaxially sets with quad 42
The second conductive core pole 2222 put and electrically connect with quad 42 through the second through hole 2213, the second conductive core pole 2222
Side wall and the side wall of the second through hole 2213 between mutually insulated interval.
Further, as shown in Fig. 2 a, Fig. 2 b, the other end contact of the first conducting ring 2211 is arranged with the first hat spring sleeve
2214, contact in the first hat spring sleeve 2214 is arranged the first hat spring 223, the first hat spring sleeve 2214 and second conducting ring 2221 it
Between be provided with the first insulation sleeve 225, be internally provided with that and insertion coaxial with spliced eye 211 arrange the of the first insulation sleeve 225
It is exhausted conducting ring to be provided between the outer wall of one insulation sleeve through hole 2251, the inwall of the first conducting ring 2211 and the second conducting ring 2221
Edge unit 226.
As shown in Fig. 1 a, Fig. 2 a, in the present embodiment, for the ease of installing 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 adopts stainless steel material,
Concrete material can be 022Cr17Ni 12Mo2 rustless steels, also referred to as titanium steel, and titanium steel hardness is high and with good corrosion-resistant
Property, the use requirement under silt water environment can be met.
Further, socket insulating sheath 12 and plug insulating sheath 21 are vulcanite structure.In the present embodiment,
Vulcanite adopts cold 63-1, and its completed state is good, strong with metal adhesive, good sealing effect.In the present embodiment, insert
In holder structure 1, the first contact pin conductive core 111 and the second contact pin conductive core 112 are consisted of the plastic compression of conductive core insulating unit 116 and inserted
Pin portion 11, contact pin portion 11 fixes with the first cable 3 and electrically connects, and carries out overall sulfuration composition using vulcanization of rubber mode after connection and inserts
Seat insulating sheath 12, socket insulating sheath 12 realizes the sealing of the first connecting portion between the cable 3 of contact pin portion 11 and first and protects
Shield;In plug construction 2, complete to be dielectrically separated from assembling between the first conductive part 221, second conductive part 222 in plug conducting portion 22
Afterwards, the first conducting ring 2211, the second conducting ring 2221 are electrically connected with the second cable 4, overall sulfuration composition plug are carried out afterwards exhausted
Edge sheath 21, while forming spliced eye 211 in sulfidation, plug insulating sheath 21 is realized to plug conducting portion 22 and the
The sealing protection of the second connecting portion of the electrical connection of two cable 4.In socket 1 and plug construction 2, the socket for taking full advantage of is exhausted
The tensility of the elastomeric material of edge sheath 12 and plug insulating sheath 21, to realize rigid flexible system during plugging together, reach certainly
The function of cleaning.
From the above mentioned, the automatically cleaning cable connector that the present invention is provided, socket molds material list using fire resistant epoxy
Two contact pin conductive cores are inlayed plastic compression together by unit, belong to rigid structure, and plug construction is integrally formed using the vulcanization of rubber, category
The interference fit between flexible structure, the contact pin portion of socket and the spliced eye of plug construction, the aperture of spliced eye is slightly less than
The diameter in contact pin portion, the greasy dirt silt in contact pin portion is wiped off during the plugging together of cable connector by the rubber of spliced eye, this
The automatically cleaning cable connector of bright offer make use of the elasticity of elastomeric material, hard and soft plugging together to reach self-cleaning purpose;The present invention
Automatically cleaning cable connector in, in order to lift the automatically cleaning effect of cable connector, when contact pin portion is plugged together in spliced eye
Spiral promotion, using eccentric connection between contact pin portion and the first cable, between plug conducting portion and the second cable, and contact pin portion
It is arranged concentrically with plug conducting portion;The automatically cleaning cable connector of the present invention plugs together sealing, good insulation preformance, realizes electronic
The automatically cleaning cable connector for having higher reliability, the present invention while conveying of drilling tool electric power and the transmission of control signal exists
Have broad application prospects on petroleum industry natural gas drilling and extracting equipment.
Schematically specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, done equivalent variations and modification on the premise of the design without departing from the present invention and principle,
The scope of protection of the invention should be belonged to.