CN212114758U

CN212114758U - Anti-drop's compound oversheath oil charge formula cable terminal

Info

Publication number: CN212114758U
Application number: CN202020794618.0U
Authority: CN
Inventors: 陈思渊; 王宝铸
Original assignee: Anhui Kaist Electric Power Technology Co ltd
Current assignee: Anhui Kaist Electric Power Technology Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-12-08
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses an anti-drop composite outer sheath oil-filled cable terminal, which comprises a sealing component arranged at one end of a cable, a plurality of branch copper pipes passing through the sealing component and connected with the cable, and branch copper pipe protecting sleeves arranged at the upper end of the sealing component; the branch copper pipe protecting sleeve comprises an elastic sleeve, a fixing sleeve and an outer layer protecting sleeve which are arranged from inside to outside. The utility model provides an anti-drop's compound oversheath oil charge formula cable terminal has increased the buffer structure of cable branch sleeve pipe and branch copper union coupling department, effectively prevents coming off of cable terminal.

Description

Anti-drop's compound oversheath oil charge formula cable terminal

Technical Field

The utility model relates to a cable terminal technical field, concretely relates to anti-drop's compound oversheath oil-filled cable terminal.

Background

The cable terminal integrates water resistance, stress control, shielding and insulation, has good electrical and mechanical properties, can be used for a long time under various severe environmental conditions, and has the advantages of aging resistance, convenient installation and the like; the method is widely applied to various fields of electric power, petrochemical industry, metallurgy, railway ports, buildings and the like.

In particular, cable terminations are intended to be fitted to the head and tail ends of a cable run to complete the connection with other electrical equipment, which is largely divided into outdoor terminations and indoor terminations. The high-voltage oil-filled cable which is best in matching with the GIS and has the highest safety performance has a history of years for use till now, but the joint of a cable branch sleeve and a branch copper pipe is lack of a necessary buffer structure, and the cable is easy to break at the joint, so that the falling phenomenon is generated; there is a need for a drop-resistant cable termination.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anti-drop's compound oversheath oil charge formula cable terminal has increased the buffer structure of cable branch sleeve pipe and branch copper union coupling department, effectively prevents coming off of cable terminal.

The utility model provides an anti-drop composite outer sheath oil-filled cable terminal, which comprises a sealing component arranged at one end of a cable, a plurality of branch copper pipes passing through the sealing component and connected with the cable, and branch copper pipe protecting sleeves arranged at the upper end of the sealing component;

the branch copper pipe lag includes by interior and outer elastic sleeve, fixed cover and the outer lag that sets up, the branch copper pipe is being wrapped up in the elastic sleeve inlayer, and the skin is a plurality of arc structure, curved radian from top to bottom increases gradually, fixed cover cooperation elastic sleeve forms the loop post body structure of wrapping up branch copper pipe, there is the gap at fixed cover and outer lag on branch copper pipe axis.

Furthermore, the sealing assembly comprises an O-shaped ring, an outer shell and a locking device which are sequentially arranged from inside to outside.

Furthermore, the sealing assembly comprises an outer shell, an O-shaped ring and a locking device which are sequentially arranged from inside to outside.

Furthermore, the branch copper pipe protection sleeve further comprises a locking device arranged on the outer layer of the outer layer protection sleeve.

Furthermore, the locking device comprises two semicircular ring sleeves and a plurality of locking bolts.

Furthermore, the ring sleeve is formed by combining two semicircular half ring sleeves, and the half ring sleeves are provided with bolt holes.

Furthermore, the sealing assembly and the branch copper pipe protecting sleeve are of an integrated structure.

Further, the outer layer of the elastic sleeve is 2 semi-arc structures.

The utility model has the advantages that:

the utility model discloses an anti-drop's compound oversheath oil charge formula cable terminal has increased the buffer structure of cable branch sleeve pipe and branch copper union coupling department, specifically, has increased the inlayer and has wrapped up branch copper pipe, and the skin is a plurality of arc structure, the elastic sleeve that curved radian from top to bottom increases gradually has strengthened elastic buffer, prevents the fracture of terminal cable, has still set up the gap on fixed cover and outer protective sheath along branch copper hollow shaft, prevents more effectively that cable terminal from droing.

Drawings

Fig. 1 shows a schematic structural diagram of an embodiment of the present invention;

FIG. 2 shows a partial front view of A shown in FIG. 1;

fig. 3 shows a schematic structural diagram of a locking device according to an embodiment of the present invention.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1, the utility model provides an anti-drop composite outer sheath oil-filled cable terminal, which comprises a sealing component 1 arranged at one end of a cable, a plurality of branch copper pipes 2 passing through the sealing component 1 and connected with the cable, and a branch copper pipe protecting sleeve 3 arranged at the upper end of the sealing component 1;

as shown in fig. 2, the branch copper tube protecting sleeve 3 comprises an elastic sleeve 31, a fixed sleeve 32 and an outer protecting sleeve 33 which are arranged from inside to outside, the inner layer of the elastic sleeve 31 wraps the branch copper tube 2, the outer layer of the elastic sleeve is of a plurality of arc-shaped structures, the radian of each arc-shaped structure is gradually increased from top to bottom, the fixed sleeve 32 is matched with the elastic sleeve 31 to form a circular column structure wrapping the branch copper tube 2, and a gap exists between the fixed sleeve 32 and the outer protecting sleeve 33 on the axis of the branch copper tube 2;

the buffering structure at the joint of the cable branch sleeve and the branch copper pipe is added in the branch copper pipe protecting sleeve 3, so that the falling of the cable terminal is effectively prevented.

Further, the outer layer of the elastic sleeve 31 is 2 semi-arc structures.

Further, the sealing assembly 1 comprises an O-ring 11, an outer housing 12 and a first locking device 13 arranged in sequence from inside to outside.

In another embodiment, the sealing assembly 1 comprises an outer housing 12, an O-ring 11 and a first locking device 13 arranged in that order from the inside to the outside.

Further, as shown in fig. 3, the first locking device 13 includes two semicircular first collars 131 and 4 first locking bolts 132.

Further, the ring sleeve 131 is formed by combining two semicircular half ring sleeves, and the half ring sleeves are provided with bolt holes (not shown).

In a further embodiment, said branch copper tubing protection sheath 3 further comprises a second locking means 34 arranged outside said outer protection sheath 33.

Further, the second locking device 34 includes two semicircular

second collars

341 and 2 second locking bolts 342.

In a further embodiment, the sealing assembly 1 and the branch copper tube protective sleeve 3 are of a unitary construction. Further, the outer shell 12 of the sealing assembly 1 and the elastic sleeve 31 of the branch copper pipe protecting sleeve 3 are of an integral structure.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The present invention is not limited to the above description of the embodiments, and those skilled in the art should be able to make modifications and alterations without creative work on the basis of the present invention.

Claims

1. The utility model provides an anti-drop's compound oversheath oil charge formula cable termination which characterized in that: the cable protection device comprises a sealing component arranged at one end of a cable, a plurality of branch copper pipes penetrating through the sealing component and connected with the cable, and branch copper pipe protection sleeves arranged at the upper end of the sealing component;

2. The cable termination of claim 1, wherein: the sealing assembly comprises an O-shaped ring, an outer shell and a locking device which are sequentially arranged from inside to outside.

3. The cable termination of claim 1, wherein: the sealing assembly comprises an outer shell, an O-shaped ring and a locking device which are sequentially arranged from inside to outside.

4. The cable termination of claim 1, wherein: the branch copper pipe protective sleeve further comprises a locking device arranged on the outer layer of the outer layer protective sleeve.

5. The cable termination according to any one of claims 2 to 4, wherein: the locking device comprises two semicircular ring sleeves and a plurality of locking bolts.

6. The cable termination of claim 5, wherein: the ring sleeve is formed by combining two semicircular half ring sleeves, and the half ring sleeves are provided with bolt holes.

7. The cable termination of claim 1, wherein: the sealing assembly and the branch copper pipe protecting sleeve are of an integrated structure.

8. The cable termination of claim 1, wherein: the outer layer of the elastic sleeve is 2 semi-arc structures.