CN103474830A - Cable turning connector - Google Patents
Cable turning connector Download PDFInfo
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- CN103474830A CN103474830A CN2013104181533A CN201310418153A CN103474830A CN 103474830 A CN103474830 A CN 103474830A CN 2013104181533 A CN2013104181533 A CN 2013104181533A CN 201310418153 A CN201310418153 A CN 201310418153A CN 103474830 A CN103474830 A CN 103474830A
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- cable
- tailstock
- headstock
- hinge joint
- hinged cover
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Abstract
The invention provides a cable turning connector. The cable turning connector comprises a single-freedom-degree spherical hinge assembly, compression rings, a tailstock, a headstock, a rubber corrugated pipe, a cable and sockets, wherein the head portion of each hinge joint head is sleeved with the inner cavity of the tail portion of each hinge joint sleeve to constitute a single-freedom-degree spherical hinge unit, the spherical surface of the head portion of each hinge joint head is matched with the spherical surface of the inner cavity of the tail portion of each hinge joint sleeve, guide pins penetrate through the hinge joint sleeves and abut against the interiors of guide grooves of the hinge joint heads, the end faces of the head portions of the hinge joint sleeves in the two single-freedom-degree spherical hinge units are in butt joint and are fixedly connected into a whole through a limiting block, and the conical surfaces of the two ends of the inner surface of the limiting block are tangent to the spherical surfaces of the hinge joint heads; the tail portions of the hinge joint heads at the two ends in the single-freedom-degree spherical hinge assembly are sleeved with the inner cavity of the tailstock and the inner cavity of the headstock respectively, the two ends of the rubber corrugated pipe are pressed on an installation platform of the tailstock and an installation platform of the headstock through the compression rings respectively and tightly, a supporting frame is arranged on the end face of the tail portion of the tailstock, the supporting frame and the tail portion of the headstock are respectively provided with one socket, and the cable is arranged between the two sockets. The cable turning connector can achieve power transmission between two hinge joint float bowls swinging upwards and downwards or leftwards and rightwards along with waves.
Description
Technical field
The present invention relates to a kind of cable and cross bent sub, be applicable to two low tension transmission of waving between body under marine environment.
Background technology
The exploitation of ocean wave energy, become one of focus that the international energy field is paid close attention in recent years.Current a plurality of country comprises that China has carried out multiple wave power generation technical research, comprise fixed and floatation type oscillating water column wave power device, swinging type wave energy device, raft formula hydraulic pressure wave-power device and small-sized bank formula wave-power device etc., wherein raft formula hydraulic pressure wave-power device is considered to most possibly realize in the world at present one of business-like wave power generation technology, its have deployment site flexibly, install that construction cost is low, sea situation strong adaptability, energy conversion efficiency advantages of higher.It is one of critical component for raft formula hydraulic pressure wave-power device electric power transfer that cable is crossed bent sub.
Because raft formula hydraulic pressure wave-power device generally is laid on the sea of 1 kilometer left and right of offshore, overall dimension reaches 85m, and the about 400t of weight, if break down, can bring the high problem of maintenance cost, therefore very high to the reliability requirement of the long-time normal operation of system.Raft formula hydraulic pressure wave-power device is connected in sequence by 4 elongated cylindrical floating drums and 3 link blocks, function, this device is comprised of energy absorbing device, energy conversion device (link block), hydraulic means, Blast Furnace Top Gas Recovery Turbine Unit (TRT), mooring device and control device six parts, wherein, hydraulic means, Blast Furnace Top Gas Recovery Turbine Unit (TRT) and control device are placed on the inside that energy absorbing device is floating drum, and electric power need to transmit and finally be transferred on the bank between floating drum.Because 4 floating drums all wave with ripple and partly are dipped in seawater, power cable also can wave and connecting portion is difficult to reliable watertight with ripple, therefore needing a kind of cable of design to cross bent sub addresses the above problem, this joint can make cable random bending reliable watertight in the angle of setting, thus the reliability of raising system normal operation.
Summary of the invention
In view of this, the invention provides a kind of cable and cross bent sub, can realize two hinged with ripple up and down or the electric power transfer between the floating drum swung, and guarantee power cable long-time reliably working under marine environment.
A kind of cable is crossed bent sub, and this joint comprises single-degree-of-freedom ball pivot assembly, pressure ring I, tailstock, headstock, pressure ring II, rubber bellows, cable and socket, and described tailstock and headstock are the cavity cylinder, on both peripheries, are provided with erecting bed.
Described single-degree-of-freedom ball pivot assembly comprises hinged cover, articulated joint, guide finger, straight pin and guide vane end stop; Wherein hinged cover is cavity structure, and the inner surface of its head is the face of cylinder, and the inner surface of afterbody is sphere, and the openend of sphere forms the conical surface to outer surface cutting, and hinged putting radially is processed with guide pin hole and dowel hole; Articulated joint is also cavity structure, and the head outer surface is sphere, is processed with gathering sill on sphere, and the afterbody outer surface is the face of cylinder; Guide vane end stop is the cavity cylinder, and the two ends of inner surface all are processed into the conical surface, also is processed with dowel hole on guide vane end stop.
The installation relation: the head of articulated joint is sleeved on hinged cover afterbody inner chamber and forms single-degree-of-freedom ball pivot unit, both spheres cooperatively interact, guide finger passes the hinged guide pin hole put and is against in the gathering sill of articulated joint, the head end of hinged cover docking in two single-degree-of-freedom ball pivot unit, and be connected as integral body by guide vane end stop, dowel hole on guide vane end stop is corresponding with the hinged dowel hole position put and straight pin is installed is connected location, and the conical surface at guide vane end stop inner surface two ends and the sphere of articulated joint are tangent.
In single-degree-of-freedom ball pivot assembly, the afterbody of two ends articulated joint is set in the inner chamber of tailstock and headstock, and be connected by alignment pin, the two ends of rubber bellows are pressed on the erecting bed of tailstock and headstock by pressure ring I and pressure ring II respectively, the tail end face of tailstock is installed bracing frame, socket all is installed, installing cables between two sockets with the afterbody of headstock on bracing frame.
The inner surface of described tailstock afterbody is processed into the conical surface, and the conical surface also is processed at the two ends of articulated joint inner surface, and both inner surfaces are level and smooth conical surface transition.
The outer surface of described hinged cover afterbody is arcwall face.
Described rubber bellows adopts elastomeric material to make, and this material seawater corrosion resistance the anti-sun tan by the sun, and can be the bending repeatedly that 4～5s, angle are ± 30 ° in the cycle of bearing.
Beneficial effect:
(1) cable joint of electric power transfer between the floating drum that the present invention waves with ripple for raft formula hydraulic pressure wave-power device, single-degree-of-freedom ball pivot assembly will wave and be converted into the unidirectional of directions and wave with ripple, guarantee cable in the limited angle scope and in the single direction bending, thereby guarantee the reliability that it works long hours.
(2) rubber bellows of the present invention and sealed at both ends structure thereof are by single-degree-of-freedom ball pivot assembly and seawater isolation, and bellows waves with tailstock and headstock, thereby the movable sealing structure of tailstock and headstock is converted into to static seal structure, has improved the reliability of watertight.
The accompanying drawing explanation
Fig. 1 is the structural representation that cable of the present invention is crossed bent sub.
The structural representation that Fig. 2 is single-degree-of-freedom ball pivot assembly of the present invention.
Fig. 3 is principle schematic of the present invention.
Wherein, 1-pressure ring I, 2-tailstock, the hinged cover of 3-, 4-articulated joint, 5-headstock, 6-pressure ring II, 7-rubber bellows, 8-guide finger, 9-straight pin, 10-guide vane end stop, 11-cable, 12-socket
Embodiment
Below in conjunction with the accompanying drawing embodiment that develops simultaneously, describe the present invention.
As shown in Figure 1, the invention provides a kind of cable and cross bent sub, this joint comprises single-degree-of-freedom ball pivot assembly, pressure ring I 1, tailstock 2, headstock 5, pressure ring II 6, rubber bellows 7, cable 11 and socket 12, wherein tailstock 2 and headstock 5 are the cavity cylinder, be provided with erecting bed on both peripheries, and radially be processed with dowel hole on periphery, the inner surface of tailstock 2 afterbodys is processed into the conical surface.
Rubber bellows 7 adopts elastomeric material to make, and this material seawater corrosion resistance the anti-sun tan by the sun, and can be the bending repeatedly that 4～5s, angle are ± 30 ° in the cycle of bearing.
As shown in Figure 2, single-degree-of-freedom ball pivot assembly comprises hinged cover 3, articulated joint 4, guide finger 8, straight pin 9 and guide vane end stop 10;
Wherein, hinged cover 3 is cavity structure, and its head is cylinder, and the outer surface of afterbody is arcwall face, and inner surface is sphere, and the openend of sphere radially is processed with guide pin hole and dowel hole to the outer surface cutting formation conical surface on hinged cover 3.
Articulated joint 4 is also cavity structure, and the conical surface also is processed at the two ends of its inner surface, and the head outer surface is sphere, the dimensional fits of this sphere size and hinged cover 3 inner surfaces, be processed with gathering sill on sphere, the afterbody outer surface is the face of cylinder, is processed with dowel hole on the face of cylinder.
Guide vane end stop 10 is the cavity cylinder, and the two ends of inner surface all are processed into the conical surface, also is processed with dowel hole on guide vane end stop 10.
The installation relation of single-degree-of-freedom ball pivot assembly: the head of articulated joint 4 is sleeved on hinged cover 3 afterbody inner chambers and forms single-degree-of-freedom ball pivot unit, both spheres are slidably matched mutually, guide finger 8 passes the guide pin hole on hinged cover 3 and is against in the gathering sill of articulated joint 4, guide finger 8 plays the effect of guide-localization when articulated joint 4 is slided, thereby make rubber bellows 7 and cable 11 do bending motion in the direction limited, thereby can guarantee that articulated joint 4 moves in the degree of freedom limited, the head end of hinged cover 3 docking in two single-degree-of-freedom ball pivot unit, and be connected as integral body by guide vane end stop 10, so that articulated joint 4 dismounting, be that dowel hole on guide vane end stop 10 is corresponding with the dowel hole position on hinged cover 3 and straight pin 9 is installed and is carried out reliably being connected location, the conical surface at guide vane end stop 10 inner surface two ends and the sphere of articulated joint 4 are tangent, the conical surface of hinged cover 3 sphere openends in order to leave swing space to articulated joint 4 when swinging.
The integral installation relation: in single-degree-of-freedom ball pivot assembly, the afterbody of two ends articulated joint 4 is set in the inner chamber of tailstock 2 and headstock 5, and is connected by alignment pin, and the conical surface of tailstock 2 afterbody inner surfaces and the inner surface of articulated joint 4 are level and smooth conical surface transition;
For making the power cable 11 and seawater isolation between socket 12, adopt rubber bellows 7 to connect tailstock 2 and the headstock 5 of two relative motions, rubber bellows 7 outsides and contact with sea water, rubber bellows 7 two ends are the seal with O ring structure, and by pressure ring I 1 and pressure ring II 6, be pressed on respectively on the erecting bed of tailstock 2 and headstock 5, to guarantee that cable is through partial interior structure watertight, tailstock 2 is relative with headstock 5 while waving, rubber bellows 7 is followed swing, and its sealed at both ends part is relatively static, thereby movable sealing is converted into to static seal, make it there is the reliability worked long hours,
The tail end face of tailstock 2 is installed bracing frame, on bracing frame and the afterbody of headstock 5 all be equipped with between 12, two sockets 12 of socket and 6 cables 11 be installed for transferring electric power, through-put power is 300kW, direct voltage is 1000V, electric current is 300A.。
Operation principle:
As shown in Figure 3, crossing bent sub when cable is subject to lateral force and does the used time, in single-degree-of-freedom ball pivot assembly, articulated joint 4 is under hinged cover 3 and guide vane end stop 10 spacing, both spheres of articulated joint 4 and hinged cover 3 cooperatively interact, and the centre of sphere overlapped around both rotates in the cone angle limited, when keeping energising, watertight, under the effect of rubber bellows 7, can make outside stube cable plug do not bent in the scope of design of-30 °～+ 30 ° of requirements.
The raft formula wave-power device that application the present invention manufactures is a set of, through sea trial, proves, by cable, crosses the bending that bent sub weakens outside stube cable plug, has effectively improved the useful life of external cable plug.
Above-mentioned cable cross bent sub can guarantee under marine environment, between the socket of relative motion by movable sealing is converted into to static seal structure, and the random swing of cable is limited to the single-degree-of-freedom direction, thereby reliable transferring electric power, to guarantee electrical power transmission system reliably working for a long time, and make this cable cross the transmitting that bent sub has realized waving electric power between body, there is compact conformation, easy to assembly, maintainability good, high reliability.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a cable is crossed bent sub, it is characterized in that, this joint comprises single-degree-of-freedom ball pivot assembly, pressure ring I (1), tailstock (2), headstock (5), pressure ring II (6), rubber bellows (7), cable (11) and socket (12), described tailstock (2) and headstock (5) are the cavity cylinder, on both peripheries, are provided with erecting bed;
Described single-degree-of-freedom ball pivot assembly comprises hinged cover (3), articulated joint (4), guide finger (8), straight pin (9) and guide vane end stop (10); Wherein hinged cover (3) is cavity structure, and the inner surface of its head is the face of cylinder, and the inner surface of afterbody is sphere, and the openend of sphere forms the conical surface to outer surface cutting, and hinged cover radially is processed with guide pin hole and dowel hole on (3); Articulated joint (4) is also cavity structure, and the head outer surface is sphere, is processed with gathering sill on sphere, and the afterbody outer surface is the face of cylinder; Guide vane end stop (10) is the cavity cylinder, and the two ends of inner surface all are processed into the conical surface, and guide vane end stop also is processed with dowel hole on (10);
The installation relation: the head of articulated joint (4) is sleeved on hinged cover (3) afterbody inner chamber and forms single-degree-of-freedom ball pivot unit, both spheres cooperatively interact, guide finger (8) passes the guide pin hole on hinged cover (3) and is against in the gathering sill of articulated joint (4), the head end of hinged cover (3) docking in two single-degree-of-freedom ball pivot unit, and be connected as integral body by guide vane end stop (10), dowel hole on guide vane end stop (10) is corresponding with the dowel hole position on hinged cover (3) and straight pin (9) is installed is connected location, the conical surface at guide vane end stop (10) inner surface two ends and the sphere of articulated joint (4) are tangent,
In single-degree-of-freedom ball pivot assembly, the afterbody of two ends articulated joint (4) is set in the inner chamber of tailstock (2) and headstock (5), and be connected by alignment pin, the two ends of rubber bellows (7) are pressed on the erecting bed of tailstock (2) and headstock (5) by pressure ring I (1) and pressure ring II (6) respectively, the tail end face of tailstock (2) is installed bracing frame, on bracing frame and the afterbody of headstock (5) socket (12) all is installed, installing cables (11) between two sockets (12).
2. cable as claimed in claim 1 is crossed bent sub, it is characterized in that, the inner surface of described tailstock (2) afterbody is processed into the conical surface, and the conical surface also is processed at the two ends of articulated joint (4) inner surface, and both inner surfaces are level and smooth conical surface transition.
3. cable as claimed in claim 1 is crossed bent sub, it is characterized in that, the outer surface of described hinged cover (3) afterbody is arcwall face.
4. cable as claimed in claim 1 is crossed bent sub, it is characterized in that, described rubber bellows (7) adopts elastomeric material to make, and this material seawater corrosion resistance the anti-sun tan by the sun, and can be the bending repeatedly that 4～5s, angle are ± 30 ° in the cycle of bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310418153.3A CN103474830B (en) | 2013-09-13 | 2013-09-13 | Cable turning connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310418153.3A CN103474830B (en) | 2013-09-13 | 2013-09-13 | Cable turning connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103474830A true CN103474830A (en) | 2013-12-25 |
| CN103474830B CN103474830B (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310418153.3A Expired - Fee Related CN103474830B (en) | 2013-09-13 | 2013-09-13 | Cable turning connector |
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| Country | Link |
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| CN (1) | CN103474830B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065025A (en) * | 2014-06-13 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Cable coupler capable of changing transmission directions |
| CN106654697A (en) * | 2016-11-30 | 2017-05-10 | 常州安费诺福洋通信设备有限公司 | Bent-type waterproof-jacket stretch-proofing waterproof structure |
| CN107863616A (en) * | 2017-10-26 | 2018-03-30 | 镇江科胜电子科技有限公司 | A kind of detachable electric power connector of dock |
| CN111244709A (en) * | 2020-03-04 | 2020-06-05 | 芜湖利远电子技术有限公司 | Network cable connector |
| CN112032457A (en) * | 2020-08-12 | 2020-12-04 | 西南石油大学 | Universal connecting device capable of passing line for intelligent pipeline plugging robot |
| CN114171987A (en) * | 2021-12-14 | 2022-03-11 | 宝应县嘉永电器有限公司 | Photovoltaic cable joint connector |
| CN118645297A (en) * | 2024-08-16 | 2024-09-13 | 江苏昌盛电缆科技集团有限公司 | Fire-resistant insulated cable |
Citations (5)
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|---|---|---|---|---|
| US5110224A (en) * | 1989-11-15 | 1992-05-05 | Stc Plc | Flexible cable termination with swivel couplings |
| GB2269274A (en) * | 1992-07-22 | 1994-02-02 | Orcina Cable Protection Limite | Bend limiter |
| US5740839A (en) * | 1997-03-25 | 1998-04-21 | Kuo; Hsien-Jen | Flexible extension conduit |
| JPH11185865A (en) * | 1997-12-19 | 1999-07-09 | Ryosei Electro Circuit Syst Ltd | Rear side structure of electric connector |
| CN203536632U (en) * | 2013-09-13 | 2014-04-09 | 中国船舶重工集团公司第七一〇研究所 | Cable turning connector |
-
2013
- 2013-09-13 CN CN201310418153.3A patent/CN103474830B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5110224A (en) * | 1989-11-15 | 1992-05-05 | Stc Plc | Flexible cable termination with swivel couplings |
| GB2269274A (en) * | 1992-07-22 | 1994-02-02 | Orcina Cable Protection Limite | Bend limiter |
| US5740839A (en) * | 1997-03-25 | 1998-04-21 | Kuo; Hsien-Jen | Flexible extension conduit |
| JPH11185865A (en) * | 1997-12-19 | 1999-07-09 | Ryosei Electro Circuit Syst Ltd | Rear side structure of electric connector |
| CN203536632U (en) * | 2013-09-13 | 2014-04-09 | 中国船舶重工集团公司第七一〇研究所 | Cable turning connector |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065025A (en) * | 2014-06-13 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Cable coupler capable of changing transmission directions |
| CN106654697A (en) * | 2016-11-30 | 2017-05-10 | 常州安费诺福洋通信设备有限公司 | Bent-type waterproof-jacket stretch-proofing waterproof structure |
| CN107863616A (en) * | 2017-10-26 | 2018-03-30 | 镇江科胜电子科技有限公司 | A kind of detachable electric power connector of dock |
| CN111244709A (en) * | 2020-03-04 | 2020-06-05 | 芜湖利远电子技术有限公司 | Network cable connector |
| CN111244709B (en) * | 2020-03-04 | 2021-07-09 | 山东龙立电子有限公司 | Network cable connector |
| CN112032457A (en) * | 2020-08-12 | 2020-12-04 | 西南石油大学 | Universal connecting device capable of passing line for intelligent pipeline plugging robot |
| CN114171987A (en) * | 2021-12-14 | 2022-03-11 | 宝应县嘉永电器有限公司 | Photovoltaic cable joint connector |
| CN114171987B (en) * | 2021-12-14 | 2023-07-28 | 宝应县嘉永电器有限公司 | Photovoltaic cable connector |
| CN118645297A (en) * | 2024-08-16 | 2024-09-13 | 江苏昌盛电缆科技集团有限公司 | Fire-resistant insulated cable |
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| Publication number | Publication date |
|---|---|
| CN103474830B (en) | 2015-06-10 |
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