CN211351674U - Fan box transformer substation cable side cable head outgoing structure - Google Patents

Abstract

The utility model discloses a fan box transformer substation cable side cable head outlet structure, which comprises a wire row, wherein a plurality of wire outlet holes are formed in the wire row, an insulating rod is arranged above the wire row, and an electric connection is arranged on an electric connection terminal and is provided with an earth wire; an insulating connecting piece is attached to the insulating rod, a current transmission plate is arranged in the insulating connecting piece, and a cable head penetrates through the mounting hole; the overhead contact of cable is provided with the electrically conductive silica gel of multiunit arc, the outer lane of the electrically conductive silica gel of multiunit arc is connected on the screw formula is electrically conductive through flexible conductive spring, be provided with the conducting ring on the screw formula is electrically conductive. The utility model provides a fan box becomes cable side cable head outlet structure can use with the cooperation of original box transformer, and matching nature requires fewly, and this outlet structure can be applicable to the cable joint of different specifications moreover, and the commonality is strong, can effectively solve the problem that the cable joint discharges, is worth very much promoting.

Description

Fan box transformer substation cable side cable head outgoing structure

Technical Field

The utility model relates to a cable outlet structure technical field specifically is a fan box becomes cable side cable head outlet structure.

Background

In the prior art, a cable outlet fastening device with application number '201921401798.5' comprises a connector body, a pipe connector and a fastening piece, wherein one end of the connector body is provided with a corrugated pipe locking structure, and the other end of the connector body is provided with external threads; the pipe joint is provided with internal threads matched with the joint body, and the fastening piece comprises a pressing base plate and a pressing washer; the compression base plate and the compression gasket are sequentially arranged at one end of the external thread of the joint body, and the joint body is matched and connected with the pipe joint through the internal thread and the external thread; when the cable passes through the fastening device; for the corrugated pipe part of the cable, the diameters of the inner surface and the outer surface of the locking structure are different, the outer diameter is large, and the inner diameter is small, so that the corrugated pipe is easy to penetrate from the outside of the locking structure and is difficult to be separated from the inside of the locking structure; for the outgoing part of the cable, the connector body and the pipe joint are screwed tightly, the connector body transmits the thread force to the compression washer through the compression backing plate, the compression washer is caused to deform, the counterforce generated by the deformation compresses the cable, and the locking protection of the outgoing part of the cable is realized.

However, the method still has the obvious defects in the using process: 1. the device is mainly used for fastening the cable outlet, but the device cannot be directly installed on a box-type transformer, and an additional connecting piece is needed, so that the use is inconvenient; 2. the device has fixed requirements on the existing structure of the box-type transformer and the size of the wire outlet hole during installation, can be used only when being matched with each other, lacks universality, has overhigh cost of integral transformation, and is not suitable for large-scale popularization; 3. when the distance between the cables is too small, or the cables are used for a long time, the cable heads can generate a discharge phenomenon, if the cables are not overhauled in time, a large potential safety hazard can exist, and the device can not effectively solve the problem; 4. the existing cable head outlet structure can only be suitable for a cable connector of one specification, when the cable connectors of various specifications are arranged on a transformer, various outlet structures are required to be prepared for corresponding installation, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan box becomes cable side cable head outlet structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a cable head outgoing structure on the cable side of a fan box transformer substation comprises a wire row, wherein a plurality of wire outgoing holes are formed in the wire row, an insulating rod is arranged above the wire row, a plurality of thread blind grooves are formed in the insulating rod, the thread blind grooves and the wire outgoing holes are equal in number and correspond in position, a plurality of electric connection posts are fixedly arranged in the insulating rod and are connected with electric wires of electric connection terminals, the electric connection terminals are arranged on the side surfaces of the insulating rod, and grounding wires are arranged on the electric connection terminals in an electrically connected mode;

the insulation connecting piece is attached to the insulation rod and provided with an insulation connecting piece, a thread groove is formed in the insulation connecting piece, screws are arranged in the thread groove and the thread blind groove in a threaded mode and used for fixing the insulation connecting piece on the insulation rod, a circular groove is formed in the position, corresponding to the power connection post, of the insulation connecting piece, a conductive silica gel block is arranged in the circular groove, a current transmission plate is arranged in the insulation connecting piece, a mounting hole is formed in the insulation connecting piece, a groove ring is arranged on the periphery of the mounting hole of the insulation connecting piece, a conductive silica gel ring is arranged in the groove ring, the side wall of the mounting hole is an internal thread, and a cable head penetrates through the mounting hole;

the overhead contact of cable is provided with the electrically conductive silica gel of multiunit arc, link to each other through connecting conductive spring between the electrically conductive silica gel of arc, the outer lane of the electrically conductive silica gel of multiunit arc is connected on screw formula electrically conductive piece through flexible conductive spring, be provided with the external screw thread on the screw formula electrically conductive piece, be provided with the conducting ring on the screw formula electrically conductive piece, the outer insulating housing that is of screw formula electrically conductive piece.

Preferably, the inner circle side of the arc-shaped conductive silica gel is provided with a plurality of conductive protrusions, and the conductive protrusions and the arc-shaped conductive silica gel are integrally formed.

Preferably, a plurality of anti-skid protrusions are arranged on the outer insulating shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device uses the insulating connecting piece to fix the cable joint and conduct the current of the discharge of the cable joint, the insulating connecting piece is directly attached to the wire row, wherein, the insulating connecting piece is provided with a mounting hole for passing through the cable joint, the size of the mounting hole is not required to be completely equal to that of a wire outlet hole on the original wire row, as long as the cable joint can pass through the wire outlet hole and the mounting hole, the insulating connecting piece in the device can be normally used, therefore, the device can prevent the cable joint from being fixed in an electricity-proof way on the premise of not changing the wire outlet row of the original box-type transformer, does not need to integrally reform all structures, has lower cost and is suitable for large-scale popularization;

2. the device is provided with a plurality of conductive drainage components, so that even if the originally installed cable joint has a discharge phenomenon due to too close installation distance or aging of the sheath of the cable joint, after the related outlet structure in the device is installed, the current released on the cable joint can be finally introduced into the grounding wire along with the conductive components, the safe drainage is realized, and the potential safety hazard can be eliminated without integrally replacing equipment;

3. this device passes through the electrically conductive silica gel of arc and connects electrically conductive spring to realize fixed to cable joint, and its elasticity that stretches out and draws back that has makes it not only can closely laminate on cable joint, realizes good electrically conductive effect, can all stabilize the centre gripping with the cable joint of different specifications moreover, enlarges application scope, simplifies the matching operation, and a thing is multi-purpose, and the function is concentrated.

The utility model provides a fan box becomes cable side cable head outlet structure can use with the cooperation of original box transformer, and matching nature requires fewly, and this outlet structure can be applicable to the cable joint of different specifications moreover, and the commonality is strong, can effectively solve the problem that the cable joint discharges, is worth very much promoting.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is an exploded view of the components of the overall structure of the present invention;

FIG. 3 is a schematic view of the connection structure related to the arc-shaped conductive silica gel of the present invention;

fig. 4 is a schematic view of an installation state of the overall structure according to the first embodiment of the present invention;

fig. 5 is a schematic view of an installation state of the overall structure of the second embodiment of the present invention;

fig. 6 is a schematic view of an installation state of an overall structure according to a third embodiment of the present invention.

In the figure: 1 line row, 2 wire outlet holes, 3 insulating rods, 4 thread blind grooves, 5 power connection posts, 6 power connection terminals, 7 grounding wires, 8 insulating connecting pieces, 9 thread grooves, 10 screws, 11 circular grooves, 12 conductive silica gel blocks, 13 power transmission plates, 14 mounting holes, 15 groove rings, 16 conductive silica gel rings, 17 internal threads, 18 cable heads, 19 arc conductive silica gel, 20 connecting conductive springs, 21 conductive protrusions, 22 telescopic conductive springs, 23 screw type conductive pieces, 24 external threads, 25 conductive rings, 26 external insulating shells and 27 anti-skid protrusions.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a fan box transformer cable side cable head outlet structure, including the bank of wires 1, the bank of wires 1 can be the relevant outlet structure on the original transformer, a plurality of wire holes 2 have been seted up on the bank of wires 1, the top of bank of wires 1 is provided with insulator spindle 3, a plurality of screw thread blind grooves 4 have been seted up on the insulator spindle 3, the number of screw thread blind groove 4 and wire hole 2 equals and the position is corresponding, the fixed a plurality of electric poles 5 that connect that are provided with in the insulator spindle 3, electric pole 5 and the 6 connection of electric terminal, electric terminal 6 sets up the side at insulator spindle 3, the electric connection is provided with earth connection 7 on the electric terminal 6, earth connection 7 is final with current ground drainage, the potential safety hazard that 18 departments of cable head probably take place to discharge has been solved.

An insulating connecting piece 8 is attached to the insulating rod 3, a thread groove 9 is formed in the insulating connecting piece 8, screws 10 are arranged in the thread groove 9 and the thread blind groove 4 and used for fixing the insulating connecting piece 8 on the insulating rod 3, after the insulating connecting piece 8 is fixed, the insulating connecting piece 8 is just attached to the wire row 1, a circular groove 11 is formed in the position, corresponding to the electric connection post 5, of the insulating connecting piece 8, a conductive silica gel block 12 is arranged in the circular groove 11, the conductive silica gel block 12 has a conductive function and certain telescopic elasticity, a power transmission plate 13 is arranged in the insulating connecting piece 8, the power transmission plate 13 has a conductive drainage function, a mounting hole 14 is formed in the insulating connecting piece 8, a groove ring 15 is arranged on the periphery of the mounting hole 14 of the insulating connecting piece 8, a conductive silica gel ring 16 is arranged in the groove ring 15, and similarly, the conductive silica gel ring 16 also has a conductive function, the cable fixing structure has certain telescopic elasticity, the side wall of the mounting hole 14 is an internal thread 17, and a cable head 18 penetrates through the mounting hole 14.

The cable head 18 is provided with a plurality of groups of arc-shaped conductive silica gels 19 in a contact manner, and similarly, the arc-shaped conductive silica gels 19 have a conductive function and certain telescopic elasticity, and the arc-shaped conductive silica gels 19 are connected with each other through a connecting conductive spring 20, so that the size of a circle enclosed by the arc-shaped conductive silica gels 19 can be adjusted through the telescopic effect of the connecting conductive spring 20, the outer rings of the groups of arc-shaped conductive silica gels 19 are connected onto a screw-type conductive piece 23 through a telescopic conductive spring 22, the screw-type conductive piece 23 is provided with an external thread 24, the screw-type conductive piece 23 is provided with a conductive ring 25, the outer layer of the screw-type conductive piece 23 is an outer insulating shell 26, and the outer insulating.

Preferably, the inner circle side of the arc-shaped conductive silicone rubber 19 is provided with a plurality of conductive protrusions 21, the conductive protrusions 21 and the arc-shaped conductive silicone rubber 19 are integrally formed, and the conductive protrusions 21 are arranged to increase the contact area with the cable head 18, so that a better conductive drainage effect is achieved.

Preferably, the outer insulation shell 26 is provided with a plurality of anti-slip protrusions 27, and the anti-slip protrusions 27 are mainly provided to increase friction force and prevent a user from slipping when rotating the outer insulation shell 26.

The first embodiment is as follows: for newly installed cable equipment, firstly, a cable head 18 penetrates through a wire outlet hole 2 on a wire row 1, for original old equipment, the originally installed cable head 18 can be utilized for subsequent operation, then, an insulating connecting piece 8 is taken, if the sizes of a mounting hole 14 on the insulating connecting piece 8 and a wire outlet hole 2 on the wire row 1 are equal, the mounting hole 14 and the wire outlet hole 2 are aligned, a screw 10 is screwed into a thread groove 9, the position of an insulating rod 3 is reasonably set, the screw 10 is continuously screwed into a thread blind groove 4 on the insulating rod 3, the insulating connecting piece 8 and the insulating rod 3 are fixed, at the moment, a power connection post 5 on the insulating rod 3 is tightly abutted against a conductive silica gel block 12 on the insulating connecting piece 8, then, an arc-shaped conductive silica gel 19 is sleeved on the outer side of the cable head 18, and the arc-shaped conductive silica gels 19 are connected through a connecting conductive spring 20, therefore, the size of the circle enclosed between the arc-shaped conductive silica gels 19 can be adjusted by the expansion and contraction of the connecting conductive springs 20, the cable heads 18 with different specifications and thicknesses can be adapted to, then, the outer insulating shell 26 is held by hand and rotated, the screw type conductive piece 23 is arranged in the internal thread 17 of the mounting hole 14 through the external thread 24 in a threaded connection mode, at the moment, the size of the screw type conductive piece 23 is fixed, the thicker the specification of the internal cable head 18 is, the larger the compression degree of the telescopic conductive spring 22 is, and vice versa.

If the cable head 18 of original installation appears the phenomenon of discharging because the installation interval is too near, or the cable head 18 crust is ageing, then the electric current can be at first conducted to connecting conductive spring 20 and flexible conductive spring 22 through arc conductive silica gel 19 on, flexible conductive spring 22 conducts the electric current to screw formula conductive piece 23 in proper order again, conducting ring 25, conductive silica gel ring 16, current-carrying plate 13, conductive silica gel block 12 and electrical connection post 5, introduce earth connection 7 through electrical connection terminal 6 at last, realize safe discharge, stop the potential safety hazard.

Example two: the only difference from the first embodiment is that when the wire outlet hole 2 on the wire row 1 is smaller than the mounting hole 14 on the insulating connector 8, the centers of the mounting hole 14 and the wire outlet hole 2 are overlapped, and then the installation and the use are continued by referring to the method in the first embodiment.

Example three: the only difference from the first embodiment is that when the wire outlet hole 2 on the wire row 1 is larger than the mounting hole 14 on the insulating connecting piece 8, the centers of the mounting hole 14 and the wire outlet hole 2 are overlapped, and then the installation and the use are continued by referring to the method in the first embodiment, namely, as long as the cable head 18 can pass through, the device can be normally used without the limitation that the size of the mounting hole 14 and the size of the wire outlet hole 2 are consistent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a fan case becomes cable side cable head outlet structure, includes line bank (1), its characterized in that: the wire row (1) is provided with a plurality of wire outlet holes (2), an insulating rod (3) is arranged above the wire row (1), the insulating rod (3) is provided with a plurality of thread blind grooves (4), the thread blind grooves (4) and the wire outlet holes (2) are equal in number and corresponding in position, a plurality of electric connecting posts (5) are fixedly arranged in the insulating rod (3), the electric connecting posts (5) are in electric wire connection with electric connecting terminals (6), the electric connecting terminals (6) are arranged on the side surfaces of the insulating rod (3), and the electric connecting terminals (6) are electrically connected with grounding wires (7);

an insulating connecting piece (8) is attached to the insulating rod (3), a thread groove (9) is formed in the insulating connecting piece (8), screws (10) are arranged in the thread groove (9) and the thread blind groove (4) in a threaded manner and used for fixing the insulating connecting piece (8) on the insulating rod (3), a round groove (11) is formed in the position, corresponding to the electric connecting post (5), of the insulating connecting piece (8), a conductive silica gel block (12) is arranged in the round groove (11), a power transmission plate (13) is arranged in the insulating connecting piece (8), a mounting hole (14) is formed in the insulating connecting piece (8), a groove ring (15) is arranged on the periphery of the mounting hole (14) of the insulating connecting piece (8), a conductive silica gel ring (16) is arranged in the groove ring (15), and the side wall of the mounting hole (14) is an internal thread (17), a cable head (18) penetrates through the mounting hole (14);

the contact is provided with electrically conductive silica gel (19) of multiunit arc on cable head (18), link to each other through connecting conducting spring (20) between the electrically conductive silica gel of arc (19), the outer lane of the electrically conductive silica gel of multiunit arc (19) is connected on electrically conductive piece (23) of screw formula through flexible conducting spring (22), be provided with external screw thread (24) on the electrically conductive piece (23) of screw formula, be provided with conducting ring (25) on the electrically conductive piece (23) of screw formula, the outer insulating housing (26) that is of the electrically conductive piece (23) of screw formula.

2. The fan box transformer substation cable side cable head outgoing structure of claim 1, characterized in that: the inner circle side of the arc-shaped conductive silica gel (19) is provided with a plurality of conductive protrusions (21), and the conductive protrusions (21) and the arc-shaped conductive silica gel (19) are integrally formed.

3. The fan box transformer substation cable side cable head outgoing structure of claim 1, characterized in that: the outer insulating shell (26) is provided with a plurality of anti-skid bulges (27).

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