CN108011234A - A kind of rotatable semicircle attachment device of high-voltage cable joint - Google Patents
A kind of rotatable semicircle attachment device of high-voltage cable joint Download PDFInfo
- Publication number
- CN108011234A CN108011234A CN201711220838.1A CN201711220838A CN108011234A CN 108011234 A CN108011234 A CN 108011234A CN 201711220838 A CN201711220838 A CN 201711220838A CN 108011234 A CN108011234 A CN 108011234A
- Authority
- CN
- China
- Prior art keywords
- semicircle
- metal
- nut
- metal buckle
- attachment device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- H01R13/46—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
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
Abstract
The present invention provides a kind of rotatable semicircle attachment device of high-voltage cable joint, comprising:The coupling nut of one rear end open loop connected in star, two half-round metal buckles, two bolt and nut fasteners, a metal winding pipe with circular convex disk;Coupling nut, semicircle buckle are identical with the center line of metal winding pipe horizontal component;The depth of groove of coupling nut is identical with buckle semi-circular front shape height of projection, the two can axially realize close connection;Semicircle buckle is internal two semi-cylindrical hills, and outside is distributed with two using semicircle ear mount of the center line as symmetry axis that be buckled;Coupling nut is buckled by semicircle with metal winding pipe and is fixed with bolt and nut fastening means progress horizontal direction, and coupling nut can be circumferentially rotatable.The bolt and nut connection mode of the present invention is convenient and efficient, can substantially reduce the manufacture difficulty of plasma igniter high-voltage cable joint, improves installation fixed precision and greatly improves work efficiency.
Description
Technical field
The present invention relates to cable pigtail connectors application field, and in particular to a kind of rotatable semicircle of high-voltage cable joint
Shape attachment device.
Technical background
In gas turbine startup, realize that combustion chamber reliable ignition is most important.The success rate of igniting is directly related to whole
The safe and reliable operation of a power set, or even it is related to the safety of whole aircraft ship.This is also the reliability of igniter
Propose higher requirement.At present, common sparking mode includes the igniting of red-hot object, electric spark, arc ignition, flame point
Fire, the igniting of spontaneous combustion method etc..Plasma igniter is a kind of new ignition installation in engine apparatus system.Its work is former
Reason is to make a small amount of starting fluid light to form torch first, that is, forms " high-temperature ignition core ", then, high by this generation
Temperature, high pressure and the torch containing anakmetomeres, then go to light the main fuel torch of whole combustion chamber, when the main fuel torch energy of combustion chamber
After enough continuous and stable burning, ignition process terminates with regard to this, and ignition installation is stopped.Plasma ignition and other igniting sides
Formula is compared, its advantage is obvious.It possesses the flash-over characteristic of uniqueness and very big ignition energy, and energy is concentrated.
Under the action of direct-current arc, the chemical bond of molecule is interrupted air, so as to form high-temperature plasma, is included among these a large amount of
Activated species, after being blended with fuel aerosol particles, occur Plasma chemical reaction, accelerate reaction speed.Produced by reacting
High temperature and turbulent flow, by the energy of combustion flame rapidly from high-temperature ignition core to flammable mixture around propagate so that significantly
Improve engine ignition reliability and the concentration limit of igniting.And the radially non-uniform of outlet temperature field can be reduced
Degree.In addition, plasma igniter can be with overheavy firing, and ionized gas makes burning become highly stable, some own warps of country
Confirm that plasma igniter can be such that gas turbine is very significantly improved in the working performance of low operating mode, improve burning effect
Rate, significantly reduces carbon black content, and active carcinogenic substance polycyclic aromatic hydrocarbons (PAH) hydrocarbon and, discharge.Therefore equity
The physical dimension of ionic points firearm and the optimization design of structure and the service life of extension device suffer from important meaning.
Continuous with electric system construction scale expands, and the application of high-tension cable is more and more extensive, in its process of deployment
In in order to carry out the connection of power cable, be required for making end.Compared with high-tension cable body, in the whole of high-tension cable
In service life, cable connector is weak link.The cable fault as caused by cable connector has accounted for the main of cable fault
Part, and cable connector present position is more special, investigation failure often takes a long time, and causes excessive fault diagnosis and dimension
Accomplish this.Therefore medial head and terminals are made to reach the control effect of optimal quality, the production method of high-voltgae pothead is subject to
The attention of more and more people.
In the manufacturing process of plasma igniter high-voltage cable joint, traditional riveting method is time-consuming and laborious, dismantles
Journey is complicated, also defective work piece or operating personnel can be made injured sometimes.The inconvenience of conventional coupling arrangement, makes plasma igniter
The production efficiency degradation of high-tension cable.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of rotatable semicircle attachment device of high-voltage cable joint, wait from
In sub- igniter high-voltage cable joint manufacturing process, process safety not only can guarantee that, but also improve the production effect of cable connector
Rate.
The technical solution adopted in the present invention is as follows:
A kind of rotatable semicircle attachment device of high-voltage cable joint, it is characterised in that:The semicircle connection dress
Put the coupling nut 1 for specifically including a rear end open loop connected in star, metal buckle 2, a metal winding pipe 3 with circular convex disk;
Attaching nut 1, metal buckle 2 are sequentially connected with the metal winding pipe 3 with circular convex disk forms the semicircle attachment device.
It is characterized in that:The coupling nut 1 of the rear end open loop connected in star is six-sided nut, and coupling nut can be along week
To rotation, attaching nut front end is the cylinder steel pipe of inner wall smooth, and the length of steel pipe is identical with the length of metal buckle, and rear end is
The annular groove 11 of coupling nut.
It is characterized in that:The metal buckle 2 includes left semicircle shape metal buckle 27 and right semicircular metal buckle 26,
Two half-round metal buckle structures are identical, and only 27 structure of left semicircle metal buckle is illustrated below.
It is characterized in that:The inside of left semicircle shape metal buckle 27 includes upper half circular protrusions 22 and lower semi-circular is convex
Play 21;The protrusion is stepped protrusion, the height of lower half circle protrusion 21 and the depth phase of the annular groove 11 of coupling nut
Together.
It is characterized in that:The outside of the left semicircle metal buckle 27 be symmetrically distributed with two using metal buckle center line as
The upper half circle ear mount 25 and lower semi-circular ear mount 23 of symmetry axis, round 25 He of metal ear seat of upper half of left semicircle metal buckle 27
The round metal ear seat 23 of the lower half round metal ear seat of upper half and the round metal ear seat of lower half with right semi-circle metal buckle 26 respectively
It is perfectly aligned, it is connected by bolt and nut fastener 24;The bolt is turret head head eye bolt, and nut is self-tightening spiral shell
It is female.
It is characterized in that:The circular convex disk 31 of the metal winding pipe 3 be located at metal buckle 2 upper semi-circle protrusion 22 it
Before, the diameter of circular convex disk 31 is more than the diameter of upper semi-circle protrusion 22, the two is in axial close connection.
It is characterized in that:The horizontal distance of the groove 11 of the coupling nut and circular convex disk 31 is in metal buckle 2
The thickness of the upper semi-circle in portion raised the distance between 22 and lower half circle protrusion 21 plus circular convex disk 31.
Compared with prior art, the present invention has the following advantages:
The bolt and nut connection mode of the present invention is convenient and efficient, can substantially reduce plasma igniter high-voltage cable joint
Manufacture difficulty, improves installation fixed precision and greatly improves work efficiency.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is the coupling nut schematic diagram of the rear end open loop connected in star of the present invention;
Fig. 3 is the half-round metal buckle schematic diagram of the present invention;
Fig. 4 is the metal winding pipe schematic diagram of the circular convex disk of band of the present invention;
Fig. 5 is the structure diagram of the plasma igniter cable connector of the preferred embodiment of the present invention.
Embodiment
Giving an actual example below in conjunction with the accompanying drawings, the invention will be further described:
It is as shown in Figs 1-4 a kind of rotatable semicircle attachment device of high-voltage cable joint, comprising:Coupling nut 1, half
Circle buckle 2 and metal winding pipe 3.The center line phase of the coupling nut 1, semicircle buckle 2 and 3 horizontal component of metal winding pipe
Together.
The coupling nut 1 of rear end open loop connected in star is six-sided nut, and coupling nut can be circumferentially rotatable, before attaching nut
The cylinder steel pipe for inner wall smooth is held, the length of steel pipe is identical with the length of metal buckle, and rear end is the groove 11 of coupling nut.
Metal buckle 2 includes left semicircle shape metal buckle 27 and right semicircular metal buckle 26, two half-round metal cards
Buckle structure is identical, and only 27 structure of left semicircle metal buckle is illustrated below.The inside of left semicircle shape metal buckle 27 bag
Upper half circular protrusions 22 and lower semi-circular protrusion 21 are included, its protrusion is stepped protrusion, and the height of lower half circle protrusion 21 is with coupling
The depth of the groove 11 of nut is identical.The outside of left semicircle metal buckle 27 is symmetrically distributed with two using the center line that is buckled as symmetry axis
Upper half circle ear mount 25 and lower semi-circular ear mount 23, the ear mount of half-round metal up and down of two half-round metals buckle is completely right
Together, it is connected by bolt and nut fastener 24;Bolt is turret head head eye bolt, and nut is self-tightening nut.
The circular convex disk 31 of metal winding pipe 3 is located at before the upper semi-circle protrusion 22 of metal buckle 2, the diameter of circular convex disk 31
More than the diameter of upper semi-circle protrusion 22, the two is in axial close connection.The level of the groove 11 of coupling nut and circular convex disk 31
Thickness of the distance for upper semi-circle raised the distance between 22 and lower half circle protrusion 21 inside metal buckle 2 plus circular convex disk 31
Degree.
As shown in figure 5, the present invention is in application, sequentially passing through metal winding pipe 3 and coupling nut 1 by ceramic head 41 first and stretching
Go out a distance, ensure that ceramic head 41 is identical with 1 center line of coupling nut;Then by left semicircle metal buckle 27 and right semi-circle gold
The lower half circle protrusion 21 for belonging to buckle is stuck in annular groove 11, and the upper semi-circle protrusion 22 of two half-round metal buckles is placed
In circular convex disk 31 away from coupling nut side;Finally ear mount 23 and ear mount 25 are carried out by bolt and nut fastener 24 respectively
It is fixed.
Claims (7)
- A kind of 1. rotatable semicircle attachment device of high-voltage cable joint, it is characterised in that:The semicircle attachment device Specifically include the coupling nut (1) of a rear end open loop connected in star, metal buckle (2), a metal winding pipe with circular convex disk (3);Attaching nut (1), metal buckle (2) are sequentially connected with the metal winding pipe (3) with circular convex disk forms the semicircle Attachment device.
- A kind of 2. rotatable semicircle attachment device of high-voltage cable joint according to claim 1, it is characterised in that:The coupling nut (1) of the rear end open loop connected in star is six-sided nut, and coupling nut can be circumferentially rotatable, connects spiral shell Female front end is the cylinder steel pipe of inner wall smooth, and the length of steel pipe is identical with the length of metal buckle, and rear end is the ring of coupling nut Connected in star (11).
- A kind of 3. rotatable semicircle attachment device of high-voltage cable joint according to claim 1, it is characterised in that:The metal buckle (2) includes left semicircle shape metal buckle (27) and right semicircular metal buckle (26), two semicircles Shape metal buckle structure is identical, and only left semicircle metal buckle (27) structure is illustrated below.
- A kind of 4. rotatable semicircle attachment device of high-voltage cable joint according to claim 1, it is characterised in that:Include upper half circular protrusions (22) inside the left semicircle shape metal buckle (27) and lower semi-circular is raised (21);It is described Protrusion be stepped protrusion, the height of lower half circle protrusion (21) is identical with the depth of the annular groove (11) of coupling nut.
- A kind of 5. rotatable semicircle attachment device of high-voltage cable joint according to claim 1, it is characterised in that:Two upper half using metal buckle center line as symmetry axis are symmetrically distributed with the outside of the left semicircle metal buckle (27) Circular ear mount (25) and lower semi-circular ear mount (23), the round metal ear seat (25) of upper half of left semicircle metal buckle (27) and lower half Round metal ear mount (23) the round metal ear seat of upper half and the round metal ear seat of lower half with right semi-circle metal buckle (26) respectively It is perfectly aligned, it is connected by bolt and nut fastener (24);The bolt is turret head head eye bolt, and nut is self-tightening Nut.
- A kind of 6. rotatable semicircle attachment device of high-voltage cable joint according to claim 1, it is characterised in that:The circular convex disk (31) of the metal winding pipe (3) is located at before the upper semi-circle raised (22) of metal buckle (2), circular convex The diameter of disk (31) is more than the diameter of upper semi-circle raised (22), the two is in axial close connection.
- A kind of 7. rotatable semicircle attachment device of high-voltage cable joint according to claim 1, it is characterised in that:The horizontal distance of the groove (11) of the coupling nut and circular convex disk (31) is the internal upper semi-circle of metal buckle (2) The thickness of the distance between raised (22) and lower half circle raised (21) plus circular convex disk (31).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711220838.1A CN108011234A (en) | 2017-11-29 | 2017-11-29 | A kind of rotatable semicircle attachment device of high-voltage cable joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711220838.1A CN108011234A (en) | 2017-11-29 | 2017-11-29 | A kind of rotatable semicircle attachment device of high-voltage cable joint |
Publications (1)
Publication Number | Publication Date |
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CN108011234A true CN108011234A (en) | 2018-05-08 |
Family
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Family Applications (1)
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CN201711220838.1A Pending CN108011234A (en) | 2017-11-29 | 2017-11-29 | A kind of rotatable semicircle attachment device of high-voltage cable joint |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1167208A (en) * | 1996-05-31 | 1997-12-10 | 日本特殊陶业株式会社 | Hot-wire ignition plug |
CN201757231U (en) * | 2010-07-06 | 2011-03-09 | 上海瑞孚管路系统有限公司 | Ultrahigh-pressure pipe joint structure |
CN104638586A (en) * | 2013-11-07 | 2015-05-20 | 广东宏际线管实业有限公司 | Threading pipe joint |
CN204829010U (en) * | 2015-06-30 | 2015-12-02 | 大连凯斯博格设备制造有限公司 | Screw thread compresses tightly clamp formula coupling |
CN106322012A (en) * | 2015-06-30 | 2017-01-11 | 大连凯斯博格设备制造有限公司 | Clamp type pipe joint |
-
2017
- 2017-11-29 CN CN201711220838.1A patent/CN108011234A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1167208A (en) * | 1996-05-31 | 1997-12-10 | 日本特殊陶业株式会社 | Hot-wire ignition plug |
CN201757231U (en) * | 2010-07-06 | 2011-03-09 | 上海瑞孚管路系统有限公司 | Ultrahigh-pressure pipe joint structure |
CN104638586A (en) * | 2013-11-07 | 2015-05-20 | 广东宏际线管实业有限公司 | Threading pipe joint |
CN204829010U (en) * | 2015-06-30 | 2015-12-02 | 大连凯斯博格设备制造有限公司 | Screw thread compresses tightly clamp formula coupling |
CN106322012A (en) * | 2015-06-30 | 2017-01-11 | 大连凯斯博格设备制造有限公司 | Clamp type pipe joint |
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Application publication date: 20180508 |
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