CN108923140B - Cable elbow type head shielding grounding device and installation method - Google Patents
Cable elbow type head shielding grounding device and installation method Download PDFInfo
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- CN108923140B CN108923140B CN201810756169.8A CN201810756169A CN108923140B CN 108923140 B CN108923140 B CN 108923140B CN 201810756169 A CN201810756169 A CN 201810756169A CN 108923140 B CN108923140 B CN 108923140B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
- H01R4/643—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for rigid cylindrical bodies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
- H01R4/646—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
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- Manufacturing & Machinery (AREA)
- Cable Accessories (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The embodiment of the application shows a cable elbow type head shielding grounding device and an installation method, the cable elbow type head shielding grounding device comprises a cable elbow type head body, a shielding grounding wire and a conducting belt, a conducting belt accommodating groove is arranged on the circumferential surface of the cable elbow type head body, the conducting belt is arranged in the conducting belt accommodating groove and comprises a conducting belt insulating layer and a conducting belt conducting layer, the conducting belt insulating layer is provided with a shielding grounding wire guiding hole, the conducting belt conducting layer is provided with a shielding grounding wire accommodating hole, one end of the shielding grounding wire is arranged in the shielding grounding wire accommodating hole, the other end of the shielding grounding wire is grounded, in actual use, due to the effect of the conducting belt insulating layer, even if the conducting belt insulating layer generates heat, the cable elbow type head is not carbonized, the shielding grounding wire is not fallen off, the problem that the shielding grounding wire falls off is effectively improved, and the reliability of shielding grounding of the, the normal use of the cable elbow head and the entire cable system is ensured.
Description
Technical Field
The invention relates to the technical field of shielding and grounding of power systems, in particular to a cable elbow type head shielding and grounding device and an installation method.
Background
The cable elbow type head integrates water resistance, stress control, shielding and insulation, has good electrical performance and mechanical performance, can be used for a long time under various severe environmental conditions, and has the advantages of light weight, convenience in installation and the like. With the vigorous development of power systems, cable elbow type heads are also used more and more widely. At present, the shielding grounding of the cable elbow-shaped head is generally fixed on a bulge outside the electric power elbow-shaped head by using screws, but due to various reasons, the cable elbow-shaped head can generate heat, then the bulge of the cable head is carbonized, the shielding grounding wire falls off, the cable elbow-shaped head loses the shielding grounding function, and the normal use of the cable elbow-shaped head or even the whole cable system is influenced.
Disclosure of Invention
The embodiment of the invention provides a cable elbow type head shielding grounding device and an installation method thereof, and aims to solve the problems that a cable elbow type head shielding grounding device in the prior art loses the shielding grounding function and influences the normal use of the cable elbow type head and even a whole cable system because a cable head bulge is carbonized due to heating to cause the falling of a shielding grounding wire.
In order to solve the technical problem, the embodiment of the invention discloses the following technical scheme:
the embodiment of the invention discloses a cable elbow type head shielding grounding device, which comprises: the cable elbow type head comprises a cable elbow type head body, a shielding grounding wire and a conducting band, wherein the cable elbow type head body is cylindrical, a conducting band accommodating groove is formed in the circumferential surface of the cable elbow type head body and is annular, and the groove width of the conducting band accommodating groove is gradually reduced along the circumferential surface of the cable elbow type head body to the central axis of the cable elbow type head body;
the conducting band is arranged inside the conducting band accommodating groove, the shape of the conducting band is matched with that of the conducting band accommodating groove, the conducting band comprises a conducting band insulating layer and a conducting band conducting layer, the distance from the top surface of the conducting band insulating layer to the central axis of the cable elbow-shaped head body is greater than the distance from the top surface of the conducting band conducting layer to the central axis of the cable elbow-shaped head body, a shielding grounding wire guiding hole is formed in the top surface of the conducting band insulating layer, a shielding grounding wire accommodating hole is formed in the top surface of the conducting band conducting layer, the shielding grounding wire guiding hole and the shielding grounding wire accommodating hole are concentrically arranged, one end of a shielding grounding wire is arranged inside the shielding grounding wire accommodating hole, and the other end of the shielding grounding wire is grounded;
the length of conduction band equals the girth of conduction band storage tank, be provided with the connecting band on the one end terminal surface of conduction band, the connecting band with conduction band fixed connection, be provided with the intercommunication through-hole on the top surface of connecting band, keeping away from of conduction band be provided with on the bottom surface of the one end of connecting band and connect protrudingly, connect bellied shape with connect through-hole's shape looks adaptation, connect bellied axis with connect through-hole's axis all with the horizontal center line of conduction band is crossing, it arrives to connect bellied axis the connecting band with the distance of the central line of conduction band length sum equals, the axis of intercommunication through-hole arrives the connecting band with the distance of the central line of conduction band length sum.
Preferably, the shielding ground wire guide hole has a diameter equal to a diameter of the shielding ground wire, and the shielding ground wire accommodating hole has a diameter smaller than the diameter of the shielding ground wire.
Preferably, the cross-sectional shape of the pass band accommodating groove is stepped.
Preferably, the cross-sectional shape of the shielding ground wire accommodating hole is an ellipse, and the length of the minor axis of the cross-section of the shielding ground wire accommodating hole is smaller than the diameter of the shielding ground wire.
Preferably, a top surface of the conduction band insulating layer is in contact with a bottom surface of the conduction band via layer.
Preferably, the conduction band insulating layer and the conduction band conducting layer are detachably connected.
The embodiment of the invention also discloses an installation method of the cable elbow type head shielding grounding device, which is used for installing the cable elbow type head shielding grounding device and comprises the following steps:
scrubbing the four side walls of the conducting belt containing groove by using absolute alcohol;
placing the conduction band into the conduction band accommodating groove from one end of the top surface, and connecting the conduction band end to end;
buckling the connecting through hole into the connecting bulge;
and grounding the shielding grounding wire to finish the installation.
According to the technical scheme, the cable elbow type head shielding grounding device and the installation method provided by the embodiment of the invention comprise the following steps: the cable elbow type head comprises a cable elbow type head body, a shielding grounding wire and a conduction band, wherein the cable elbow type head body is cylindrical, a conduction band accommodating groove is formed in the circumferential surface of the cable elbow type head body and is annular, the width of the conduction band accommodating groove is gradually reduced along the direction from the circumferential surface of the cable elbow type head body to the central axis of the cable elbow type head body, the conduction band is arranged in the conduction band accommodating groove, the shape of the conduction band is matched with that of the conduction band accommodating groove, the conduction band comprises a conduction band insulating layer and a conduction band conduction layer, the distance from the top surface of the conduction band insulating layer to the central axis of the cable elbow type head body is greater than the distance from the top surface of the conduction band conduction layer to the central axis of the cable elbow type head body, and the shielding grounding wire guiding hole is formed in the top surface of the conduction band insulating layer, the shielding grounding wire containing hole is formed in the top surface of the conduction layer of the conduction band, the shielding grounding wire guide hole and the shielding grounding wire containing hole are concentrically arranged, one end of the shielding grounding wire is arranged in the shielding grounding wire containing hole, the other end of the shielding grounding wire is grounded, the length of the conduction band is equal to the perimeter of the conduction band containing groove, a connecting band is arranged on one end face of the conduction band, the connecting band is fixedly connected with the conduction band, a communication through hole is formed in the top face of the connecting band, a connecting bulge is formed in the bottom face of one end, far away from the connecting band, of the conduction band, the shape of the connecting bulge is matched with the shape of the connecting through hole, the central axis of the connecting bulge and the central axis of the connecting through hole are intersected with the horizontal central line of the conduction band, and the central line of the sum of the length of the connecting band and the conduction band are, and the distance from the central axis of the communication through hole to the central line of the sum of the lengths of the connecting band and the conducting band is equal to the distance from the central axis of the communication through hole to the central line of the sum of the lengths of the connecting band and the conducting band. In the actual use, will cable elbow type head shielding earthing device installs in cable elbow type head, through the mode that changes the fixed shielding ground connection of outside screw, uses the conduction band to draw forth the shielding earth connection, even long-time the use, owing to there is the effect of conducting the band insulating layer, even it generates heat to conduct the band insulating layer, can not cause the cable elbow type head to take place the carbonization yet, the shielding earth connection can not take place to drop yet, the effectual problem that the shielding earth connection drops of improvement, improve elbow type head shielding ground connection's reliability, guarantee cable elbow type head and whole cable system's normal use.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cable elbow type head shielding grounding device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cable elbow head body of a cable elbow head shielding grounding device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a conducting strip of a cable elbow type head shielding grounding device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a conductive tape insulating layer of a cable elbow type head shielding grounding device according to an embodiment of the present invention;
fig. 5 is a rear view schematically illustrating a conducting strip of a cable elbow type head shielding grounding device according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a cable elbow head body of a cable elbow head shielding grounding device according to a preferred embodiment of the present invention;
fig. 7 is a schematic structural diagram of a conductive tape insulating layer of a cable elbow type head shielding grounding device according to a preferred embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, a schematic structural diagram of a cable elbow type head shielding and grounding device provided in an embodiment of the present invention includes a cable elbow type head body 1, a shielding grounding line 3, and a conducting band 4.
Referring to fig. 2, a schematic structural diagram of a cable elbow head body of a cable elbow head shielding and grounding device according to an embodiment of the present invention is shown, the cable elbow-shaped head body 1 is cylindrical, a conduction band accommodating groove 2 is arranged on the circumferential surface of the cable elbow-shaped head body 1, the conduction band accommodating groove 2 is annular, the groove width of the conduction band accommodating groove 2 is gradually reduced along the direction from the circumferential surface of the cable elbow head body 1 to the central axis of the cable elbow head body 1, compared with the arrangement with uniform groove width, the arrangement can ensure that the installation is firmer and is not easy to slide off when the conducting band is installed, and play the effect of guide, it causes the damage to the mounting groove to prevent to install the conduction band, and conduction band storage tank 2 is 360 distributions on the circumference surface of cable elbow type head body 1, makes things convenient for the end to end connection of conduction band.
Referring to fig. 3 and 4, the pass band 4 is disposed inside the pass band accommodating groove 2, the pass band 4 is adapted to the pass band accommodating groove 2 in shape, and the pass band 4 is disposed inside the pass band accommodating groove 2, so that the pass band 4 is in a quadrangular frustum shape. The conduction band 4 is including conducting the area insulating layer 41 and conducting the area conduction layer 42, the top surface of conduction band insulating layer 41 arrives the distance of the axis of cable elbow type head body 1 is greater than the top surface that conducts the area conduction layer 42 arrives the distance of the axis of cable elbow type head body 1 switches on the area conduction layer 42 and sets up in the inside that switches on area storage tank 2 and is close to the axis of cable elbow type head body 1, switches on the axis that the area insulating layer 41 then kept away from cable elbow type head body 1.
Be provided with shielding earth connection pilot hole 411 on the top surface of conduction band insulating layer 41, be provided with shielding earth connection holding hole 421 on the top surface of conduction band conducting layer 42, shielding earth connection pilot hole 411 with shielding earth connection holding hole 421 sets up to concentric, shielding earth connection 3's one end set up in the inside of shielding earth connection holding hole 421, shielding earth connection 3's the other end ground connection, shielding earth connection 3 set up in the inside of shielding earth connection holding hole 421, like this through shielding earth connection 3, conduction band conducting layer 42 alright be linked together with ground, conduction band insulating layer 41 not only can prevent the electric leakage externally, can also prevent that shielding earth connection 3 from generating heat and leading to cable elbow type head to take place the carbonization to prevent that shielding earth connection 3 from droing.
Referring to fig. 5, the length of the pass band 4 is equal to the circumference of the pass band accommodating groove 2, a connecting band 44 is disposed on an end surface of one end of the pass band 4, the connecting band 44 is fixedly connected with the conducting band 4, a communicating through hole 45 is arranged on the top surface of the connecting band 44, a connecting bulge 43 is arranged on the bottom surface of one end of the conducting belt 4 far away from the connecting belt 44, the shape of the connecting bulge 43 is matched with that of the connecting through hole 44, the central axis of the connecting bulge 43 and the central axis of the connecting through hole 45 are intersected with the horizontal central line of the conducting belt 4, the distance from the central axis of the connecting projection 43 to the center line of the sum of the lengths of the connecting band 44 and the pass band 4 is equal to, the distance from the central axis of the communication through hole 45 to the central line of the sum of the lengths of the connecting band 44 and the pass band 4. After the conduction band 4 is placed in the conduction band accommodating groove 2, because the length of the conduction band 4 is equal to the circumference of the conduction band accommodating groove 2, the conduction band 4 surrounds the conduction band accommodating groove 2 for one circle, the connection band 44 protrudes out of the conduction band accommodating groove 2, and the connection through holes 45 on the connection band 44 are buckled on the connection protrusions 43, so that the fixed installation of the conduction band is completed. The connecting protrusion 43 may be designed to be cylindrical, and in addition, a conical head may be disposed at an end of the connecting protrusion 43 away from the conductive band 4, the diameter of the end with the larger diameter of the conical head is larger than that of the connecting protrusion 43, and the diameter of the end with the smaller diameter is smaller than or equal to that of the connecting protrusion 43, so that after the connecting protrusion 43 is buckled into the communication through hole 45 by manpower, since the diameter of the end with the larger diameter of the conical head is larger than that of the connecting protrusion 43, the conical head blocks the connecting through hole 45, and the connecting protrusion 43 can be prevented from sliding off from the connecting through hole 45.
Through the description of the above embodiments, the cable elbow type head shielding grounding device provided by the embodiment of the present invention includes a cable elbow type head body 1, a shielding grounding wire 3 and a conduction band 4, the cable elbow type head body 1 is cylindrical, a conduction band accommodating groove 2 is provided on a circumferential surface of the cable elbow type head body 1, the conduction band accommodating groove 2 is annular, a groove width of the conduction band accommodating groove 2 gradually decreases in a direction from the circumferential surface of the cable elbow type head body 1 to a central axis of the cable elbow type head body 1, the conduction band 4 is provided inside the conduction band accommodating groove 2, a shape of the conduction band 4 is adapted to a shape of the conduction band accommodating groove 2, the conduction band 4 includes a conduction band insulating layer 41 and a conduction band conduction layer 42, a distance from a top surface of the conduction band insulating layer 41 to the central axis of the cable elbow type head body 1 is greater than a distance from a top surface of the conduction band conduction layer 42 to the central axis of the cable elbow type head body 1, a shielding ground wire guide hole 411 is arranged on the top surface of the conducting band insulating layer 41, a shielding ground wire accommodating hole 421 is arranged on the top surface of the conducting band conducting layer 42, the shielding ground wire guide hole 411 and the shielding ground wire accommodating hole 421 are arranged concentrically, one end of a shielding ground wire 3 is arranged inside the shielding ground wire accommodating hole 421, the other end of the shielding ground wire 3 is grounded, the length of the conducting band 4 is equal to the perimeter of the conducting band accommodating groove 2, a connecting band 44 is arranged on the end surface of one end of the conducting band 4, the connecting band 44 is fixedly connected with the conducting band 4, a communicating through hole 45 is arranged on the top surface of the connecting band 44, a connecting bulge 43 is arranged on the bottom surface of one end of the conducting band 4 far away from the connecting band 44, the shape of the connecting bulge 43 is matched with the shape of the connecting through hole 44, and the central axes of, the distance from the central axis of the connecting projection 43 to the central line of the sum of the lengths of the connecting tape 44 and the via tape 4 is equal to the distance from the central axis of the communication through hole 45 to the central line of the sum of the lengths of the connecting tape 44 and the via tape 4. In actual use, will cable elbow type head shielding earthing device installs relevant position, through changing the mode of outside screw fixation shielding ground connection, uses the conduction band 4 to draw out shielding earth connection 3, even long-time the use, owing to there is the effect of conducting band insulating layer 41, even it generates heat to conduct band insulating layer 41, can not cause the cable elbow type head to take place the carbonization yet, shielding earth connection 3 can not take place to drop yet, the effectual problem that shielding earth connection 3 drops of improving, improve the reliability of elbow type head shielding ground connection, guarantee cable elbow type head and whole cable system's normal use.
Example two
Referring to fig. 4, a schematic structural diagram of another conduction band via layer provided in the embodiment of the present invention is shown, and the difference between the embodiment of the present invention and the first embodiment is that the diameter of the shielding ground line accommodating hole 421 of the conduction band via layer 42 in the embodiment of the present invention is smaller than the diameter of the shielding ground line 3. The same points of the embodiments of the present invention as those of the first embodiment can be referred to in the first embodiment, and are not described herein again. By setting the diameter of the shielding ground wire accommodating hole 421 to be smaller than the diameter of the shielding ground wire 3, the shielding ground wire 3 can be more firmly fixed in the shielding ground wire accommodating hole 421 when in use, and the shielding ground wire 3 is prevented from falling off from the shielding ground wire accommodating hole.
EXAMPLE III
Referring to fig. 6, a schematic structural diagram of another cable elbow head body according to an embodiment of the present invention is shown, where a difference between the embodiment of the present invention and the first embodiment is that a cross-sectional shape of a conducting band accommodating groove 2 of a cable elbow head body 1 according to the embodiment of the present invention is a step shape, and a shape of a corresponding conducting band 4 is also a step shape, and the same points between the embodiment of the present invention and the first embodiment can be referred to as the first embodiment, which is not described herein again, and the step shape arrangement can make a conducting band 4 and a conducting band accommodating groove 2 be combined more tightly, so as to prevent the conducting band 4 from coming out of the conducting band accommodating groove 2.
Example four
Referring to fig. 7, a schematic structural view of another conduction band conductive layer provided in the embodiment of the present invention is shown, where a difference between the embodiment of the present invention and the first embodiment is that a cross-sectional shape of a shielding ground wire accommodating hole 421 of the conduction band conductive layer 42 in the embodiment of the present invention is an ellipse, and a length of a short axis of a cross-section of the shielding ground wire accommodating hole 421 is smaller than a diameter of the shielding ground wire 3.
EXAMPLE five
The difference between the embodiment of the present invention and the first embodiment is that the bottom surface of the conductive tape conduction layer 42 and the top surface of the conductive tape insulation layer 41 in the embodiment of the present invention are in contact with each other, and the same points between the embodiment of the present invention and the first embodiment can be referred to as the first embodiment, which not only saves the space of the whole device, but also facilitates the installation, and generally, the conductive tape conduction layer 42 and the conductive tape insulation layer 41 can be bonded together by using a high-strength adhesive, and an insulation paste with high-strength adhesive, such as a thixotropic insulation paste, can be used, and can be immediately bonded to form a non-flowing uniform covering layer after the thixotropic insulation paste is in contact with a workpiece, so that the installation of the conductive tape 4 can be made easier.
EXAMPLE six
The difference between the embodiment of the present invention and the first embodiment is that the conductive tape conduction layer 42 and the conductive tape insulation layer 41 in the embodiment of the present invention are detachable, and the same point between the embodiment of the present invention and the first embodiment can refer to the first embodiment, a cable usually generates heat during use, which causes an excessively high temperature of the conductive tape conduction layer 42, which may cause corrosion, and affects normal use of internal components, and the conductive tape conduction layer 42 and the conductive tape insulation layer 41 are detachable, so that the conductive tape conduction layer 42 can be replaced periodically, and the service life of the device is prolonged.
Corresponding to the embodiment of the shielding and grounding device for the elbow-shaped head of the cable provided by the invention, the invention also provides an installation method of the shielding and grounding device for the elbow-shaped head of the cable.
The method for installing the cable elbow type head shielding grounding device comprises the following steps:
scrubbing the four side walls of the conducting belt containing groove 2 by using absolute alcohol; the four groove walls of the conduction band accommodating groove 2 are scrubbed by absolute ethyl alcohol to clean the groove walls, so that the installation is smoother, foreign matters can be prevented from being stored in the groove walls, and when the conduction band 4 is installed, the conduction band 4 is damaged, so that the conduction band 4 is separated after being installed.
Placing the conduction band 4 into the conduction band accommodating groove 2 from one end of the top surface, and connecting the conduction band 4 end to end;
the connection through hole 44 is buckled into the connection protrusion 43;
and grounding the shielding grounding wire 3 to finish the installation.
As can be seen from the above embodiments, in the method for installing the cable elbow type head shielding grounding device according to the embodiments of the present invention, the conduction band fixed with the shielding grounding line 3 is disposed in the conduction band accommodating groove 2, and the shielding grounding line 3 is communicated with the conduction layer 42 of the conduction band, so that the grounding function of the entire cable elbow type head is achieved.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise procedures described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (7)
1. A cable elbow type head shield grounding device, comprising: the cable elbow type head comprises a cable elbow type head body (1), a shielding grounding wire (3) and a conducting band (4), wherein the cable elbow type head body (1) is cylindrical, a conducting band accommodating groove (2) is formed in the circumferential surface of the cable elbow type head body (1), the conducting band accommodating groove (2) is annular, and the groove width of the conducting band accommodating groove (2) is gradually reduced in the direction from the circumferential surface of the cable elbow type head body (1) to the central axis of the cable elbow type head body (1);
the lead band (4) set up in the inside of lead band storage tank (2), the shape of lead band (4) with the shape looks adaptation of lead band storage tank (2), lead band (4) including lead band insulating layer (41) and lead band conducting layer (42), the top surface of lead band insulating layer (41) arrives the distance of the axis of cable elbow type head body (1) is greater than the top surface of lead band conducting layer (42) arrives the distance of the axis of cable elbow type head body (1), be provided with shielding earth connection guiding hole (411) on the top surface of lead band insulating layer (41), be provided with shielding earth connection containing hole (421) on the top surface of lead band conducting layer (42), shielding earth connection guiding hole (411) with shielding earth connection containing hole (421) set up to concentric, the one end of shielding earth connection (3) set up in the inside of shielding earth connection containing hole (421), the other end of the shielding grounding wire (3) is grounded;
lead the length of pass band (4) and equal to lead the girth of pass band storage tank (2), be provided with connecting band (44) on the one end terminal surface of pass band (4), connecting band (44) with lead pass band (4) fixed connection, be provided with on the top surface of connecting band (44) intercommunication through-hole (45), lead keeping away from of pass band (4) be provided with on the bottom surface of the one end of connecting band (44) and connect arch (43), connect arch (43) the shape with the shape looks adaptation of intercommunication through-hole (45), connect arch (43) the axis with the axis of connecting hole (45) all with lead the horizontal centerline of pass band (4) and intersect, the axis of connecting arch (43) arrives connecting band (44) with lead the distance of the central line of pass band (4) length sum, equal to, the axis of intercommunication through-hole (45) arrives connecting band (44) with lead the girth of pass band (4) length And the distance from the centerline of the vehicle.
2. A cable elbow type head shielding grounding device according to claim 1, characterized in that the diameter of the shielding grounding wire guiding hole (411) is equal to the diameter of the shielding grounding wire (3), and the diameter of the shielding grounding wire accommodating hole (421) is smaller than the diameter of the shielding grounding wire (3).
3. A cable elbow type head shield earthing device according to claim 1, characterized in that the cross-sectional shape of said conductive band receiving groove (2) is stepped.
4. A cable elbow type head shielding grounding device according to claim 1, wherein the cross-sectional shape of the shielding ground wire receiving hole (421) is elliptical, and the length of the minor axis of the cross-section of the shielding ground wire receiving hole (421) is smaller than the diameter of the shielding ground wire (3).
5. A cable elbow head shielding grounding device according to claim 1, wherein the top surface of said conduction band insulating layer (41) is in contact with the bottom surface of said conduction band conducting layer (42).
6. A cable elbow head shielding earthing device according to claim 1, characterized in that said conductive band insulating layer (41) and said conductive band conducting layer (42) are detachably connected.
7. A method of installing a cable elbow head shield grounding device, the method being used to install a cable elbow head shield grounding device according to any one of claims 1 to 6, the method comprising the steps of:
scrubbing the four side walls of the conducting belt containing groove (2) by using absolute alcohol;
the conducting band (4) is placed into the conducting band accommodating groove (2) from one end of the top surface, and the conducting band (4) is connected end to end;
buckling the connecting through hole (44) into the connecting protrusion (43);
and grounding the shielding grounding wire (3) to finish the installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756169.8A CN108923140B (en) | 2018-07-11 | 2018-07-11 | Cable elbow type head shielding grounding device and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756169.8A CN108923140B (en) | 2018-07-11 | 2018-07-11 | Cable elbow type head shielding grounding device and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108923140A CN108923140A (en) | 2018-11-30 |
| CN108923140B true CN108923140B (en) | 2020-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810756169.8A Active CN108923140B (en) | 2018-07-11 | 2018-07-11 | Cable elbow type head shielding grounding device and installation method |
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| CN206223829U (en) * | 2016-12-07 | 2017-06-06 | 张志权 | Adjustable electrical tests high-tension shielding ring |
| CN207183745U (en) * | 2017-08-25 | 2018-04-03 | 浙江大华技术股份有限公司 | A kind of cable-assembly and cabinet with complete machine grounding function |
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| JPH0773948A (en) * | 1993-09-01 | 1995-03-17 | Sumitomo Wiring Syst Ltd | Ground method of shield wire and grounding connector used for shield wire |
| CN2523088Y (en) * | 2002-01-24 | 2002-11-27 | 深圳市惠程电气有限责任公司 | Power cable elbow plug |
| CN202888523U (en) * | 2012-10-11 | 2013-04-17 | 广东安迪普科技有限公司 | Whole shielding metal armored cable connecting plug |
| CN103036193A (en) * | 2012-12-28 | 2013-04-10 | 上海市电力公司 | Flexible cable connection device for American ring main unit |
| CN203300829U (en) * | 2013-06-20 | 2013-11-20 | 国家电网公司 | Hanging ground wire auxiliary apparatus with elbow type head, and ring network cabinet with the apparatus |
| CN103904440A (en) * | 2014-03-10 | 2014-07-02 | 浙江工业大学 | Novel grounding device for controlling cable shielding layer |
| CN204011803U (en) * | 2014-07-15 | 2014-12-10 | 国家电网公司 | A kind of cable end grounding wire device |
| CN204322618U (en) * | 2014-12-01 | 2015-05-13 | 虞家桢 | A kind of mask tape |
| CN104917134A (en) * | 2015-07-03 | 2015-09-16 | 常州市拓源电缆成套有限公司 | Elbow type cable joint |
| CN204885679U (en) * | 2015-09-09 | 2015-12-16 | 四川永贵科技有限公司 | Resistant environment and high shielded net gape connector |
| CN206223829U (en) * | 2016-12-07 | 2017-06-06 | 张志权 | Adjustable electrical tests high-tension shielding ring |
| CN207183745U (en) * | 2017-08-25 | 2018-04-03 | 浙江大华技术股份有限公司 | A kind of cable-assembly and cabinet with complete machine grounding function |
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| Publication number | Publication date |
|---|---|
| CN108923140A (en) | 2018-11-30 |
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