CN215955662U

CN215955662U - Novel cable-inferior end grounding device

Info

Publication number: CN215955662U
Application number: CN202122392491.7U
Authority: CN
Inventors: 白国岩; 董博; 张雷; 焦晓兵; 王章泰; 张晶; 任远
Original assignee: China Railway 16th Bureau Group Co Ltd; Electrification Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
Current assignee: China Railway 16th Bureau Group Co Ltd; Electrification Engineering Co Ltd of China Railway 16th Bureau Group Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-04
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a novel cable-secondary forming end grounding device which comprises an upper half block and a lower half block, wherein clamping grooves are formed in two ends of the upper half block and the lower half block, clamping devices are arranged at one ends of the two clamping grooves and are sleeved at two ends of the upper half block and the lower half block, connecting sleeves are arranged at centers of side walls of the upper half block and the lower half block, a glue filling pipe is arranged at the center of the upper wall of the connecting sleeve on the upper end surface of the upper half block, the lower end of the glue filling pipe penetrates through the upper wall of the connecting sleeve, glue filling grooves are formed in the upper half block and the lower half block, a plurality of groups of fixing blocks are arranged on the inner walls of the upper half block and the lower half block, a supporting sleeve is arranged at the lower end of the clamping device on the rear side, and a grounding wire is fixedly connected to the lower end of the supporting sleeve. The utility model improves the sealing property and the waterproof property of the device, and simultaneously, the grounding wire is arranged at the lower end of the fixed sleeve of the device, thereby improving the safety during installation.

Description

Novel cable-inferior end grounding device

Technical Field

The utility model relates to the field of cable installation, in particular to a novel cable-secondary end grounding device.

Background

In the process of installation and maintenance of power cable equipment, the cable head is exposed frequently. Although the cable head loses power under normal protection measures, the cable head is electrified when special conditions such as power generation and feedback of a self-contained generator of a user end occur, and the life safety of operators is further endangered. The cable head is required to be connected with the ground wire to solve the problems, but the elbow-shaped cable head and the T-shaped cable head in equipment such as a distribution network branch box and a ring main unit have different calibers and different interfaces, so that the direct connection of the cable head and the ground wire cannot be realized.

In engineering projects, the problem of butt joint of cables and cables can be solved, in the butt joint process, the cable end is required to be used for carrying out glue filling and sealing protection on a cable joint, the hole diameter of an original glue filling port of the cable end is small, glue filling is inconvenient, working efficiency is affected, sealing is not firm, the water inlet problem is easy to occur, induced electricity occurs inside the cable in the laying process due to the capacitance effect of the cable, and powerful induced voltage threatens the personal safety of maintenance and constructors.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a novel cable-secondary termination device.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a novel cable-inferior one-tenth termination ground device, includes first piece, second piece, first piece all is provided with the draw-in groove with second piece's both ends, two the one end of draw-in groove all is provided with chucking device, chucking device cover is established at first piece and second piece's both ends, first piece all is provided with the adapter sleeve with second piece lateral wall's center department, the upper wall center department of the adapter sleeve of first piece up end is provided with irritates the pipe, irritate the upper wall that the lower extreme of pipe runs through the adapter sleeve, first piece all is provided with the encapsulating groove with second piece's inside, all be provided with the multiunit fixed block on first piece and second piece's the inner wall, the multiunit all seted up on the lateral wall of fixed block, the rear side chucking device lower extreme is provided with supports the cover, support the lower extreme fixedly connected with earth connection of cover.

As a further description of the above technical solution:

the clamping device comprises an upper fixing sleeve and a lower fixing sleeve, wherein connecting blocks and connecting holes are fixedly connected to the centers of the two side walls of the upper fixing sleeve and the lower fixing sleeve respectively, the connecting holes are formed in the upper end face of each connecting block, bolts are arranged at the upper ends of the connecting holes, the lower ends of the bolts sequentially penetrate through the connecting holes in the two connecting blocks, and clamping blocks are arranged on the inner walls of the upper fixing sleeve and the lower fixing sleeve close to the end portions.

As a further description of the above technical solution:

the upper end of the supporting sleeve penetrates through the lower wall of the lower fixing sleeve, the end part of the supporting sleeve is fixedly connected with a metal ring, and the metal ring is fixedly connected to the inner walls of the upper fixing sleeve and the lower fixing sleeve.

As a further description of the above technical solution:

the lower end of the grounding wire is conical.

As a further description of the above technical solution:

the inner part of the rubber filling pipe is provided with internal threads.

As a further description of the above technical solution:

the connecting sleeve and the glue filling pipe are integrally formed by injection molding.

As a further description of the above technical solution:

the number of the fixed blocks is six, the number of the fixed blocks on the inner walls of the upper half block and the lower half block is the same, and the positions of the fixed blocks correspond to each other.

As a further description of the above technical solution:

and the surfaces of the upper fixing sleeve and the lower fixing sleeve are provided with insulating coatings.

The utility model has the following beneficial effects:

compared with the existing arrangement, the utility model improves the glue filling speed and reduces the processing and mounting time of operators by arranging the upper half block and the lower half block to be matched and connected, and has good sealing property and waterproofness and long service life.

Compared with the existing arrangement, the lower end of the lower fixing sleeve is provided with the grounding wire, the upper end of the grounding wire is connected with the metal ring, and the induced electricity on the cable can be guided to the bottom by utilizing the grounding wire during operation and construction, so that the safety during operation is enhanced.

Drawings

FIG. 1 is an isometric view of a novel cable-secondary termination grounding assembly in accordance with the present invention;

fig. 2 is a bottom view of the upper half of a novel cable-secondary end grounding device of the present invention;

FIG. 3 is a right sectional view of the connection of the upper and lower fixing sleeves of a novel cable-secondary end grounding device according to the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 1.

Illustration of the drawings:

1. a card slot; 2. fixing a sleeve; 3. connecting blocks; 4. a lower half block; 5. connecting sleeves; 6. a ground line; 7. a support sleeve; 8. a clamping block; 9. a bolt; 10. filling a rubber pipe; 11. connecting holes; 12. a connecting port; 13. A fixed block; 14. a glue pouring groove; 15. a metal ring; 16. a lower fixing sleeve; 17. the upper half.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: a novel cable-secondary forming end grounding device comprises an upper half block 17 and a lower half block 4, wherein clamping grooves 1 are respectively arranged at two ends of the upper half block 17 and the lower half block 4, a clamping device is respectively arranged at one end of each clamping groove 1 and is sleeved at two ends of the upper half block 17 and the lower half block 4, connecting sleeves 5 are respectively arranged at the centers of the side walls of the upper half block 17 and the lower half block 4, rubber filling pipes 10 are arranged at the centers of the upper walls of the connecting sleeves 5 at the upper end surface of the upper half block 17, internal threads are arranged inside the rubber filling pipes 10, the lower ends of the rubber filling pipes 10 penetrate through the upper walls of the connecting sleeves 5, rubber filling grooves 14 are respectively arranged inside the upper half block 17 and the lower half block 4, a plurality of groups of fixing blocks 13 are respectively arranged on the inner walls of the upper half block 17 and the lower half block 4, connecting ports 12 are respectively arranged on the side walls of the plurality of groups of fixing blocks 13, the number of the fixing blocks 13 is six, and the number of the fixing blocks 17 on the inner walls of the upper half block 4 is the same as that of the lower half block 4, the positions of the fixing blocks correspond to each other, the fixing blocks 13 are used for fixing the cable ends, the lower end of the rear-side clamping device is provided with a supporting sleeve 7, the lower end of the supporting sleeve 7 is fixedly connected with a grounding wire 6, the lower end of the grounding wire 6 is conical, the upper end of the supporting sleeve 7 penetrates through the lower wall of the lower fixing sleeve 16, the end part of the supporting sleeve 7 is fixedly connected with a metal ring 15, and the metal ring 15 is fixedly connected to the inner walls of the upper fixing sleeve 2 and the lower fixing sleeve 16.

Chucking device includes fixed cover 2, fixed cover 16 down, go up fixed cover 2 and the equal fixedly connected with connecting block 3 of the both sides wall center department of fixed cover 16 down, all be provided with connecting hole 11 on the up end of two connecting blocks 3, the upper end of connecting hole 11 is provided with bolt 9, bolt 9's lower extreme runs through connecting hole 11 on two connecting blocks 3 in proper order, fixed cover 2 all is provided with fixture block 8 near the tip with fixed cover 16 inner wall down on two, adapter sleeve 5 and encapsulating pipe 10 injection moulding as an organic whole, fixed cover 2 all is provided with insulating coating with fixed cover 16's surface down on two, insulating coating can play a fine guard action to the staff in the construction, prevent to electrocute.

The working principle is as follows: the utility model relates to a novel cable-secondary end grounding device, which is characterized in that when in use, a cable is placed between an upper half block 17 and a lower half block 4, a metal ring 15 is directly connected with the cable, the upper half block 17 and the lower half block 4 are fixed by using a bolt 9, the cable is subjected to glue filling and injection molding through a glue filling pipe 10, and the lower end of a grounding wire 6 is inserted into the ground, so that the grounding work of the cable is completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A novel cable-secondary terminating ground device comprises an upper half block (17) and a lower half block (4), and is characterized in that: the clamping device is characterized in that the two ends of the upper half block (17) and the lower half block (4) are respectively provided with a clamping groove (1), one end of each of the two clamping grooves (1) is provided with a clamping device, the clamping devices are sleeved at the two ends of the upper half block (17) and the lower half block (4), the centers of the side walls of the upper half block (17) and the lower half block (4) are respectively provided with a connecting sleeve (5), the center of the upper wall of the connecting sleeve (5) at the upper end surface of the upper half block (17) is provided with a glue pouring pipe (10), the lower end of the glue pouring pipe (10) penetrates through the upper wall of the connecting sleeve (5), glue pouring grooves (14) are respectively arranged inside the upper half block (17) and the lower half block (4), a plurality of groups of fixing blocks (13) are respectively arranged on the inner walls of the upper half block (17) and the lower half block (4), a plurality of groups of connecting ports (12) are respectively arranged on the side walls of the fixing blocks (13), and the lower end of the clamping devices is provided with a supporting sleeve (7), the lower end of the support sleeve (7) is fixedly connected with a grounding wire (6).

2. A novel cable-to-next-end grounding device as claimed in claim 1, wherein: the clamping device comprises an upper fixing sleeve (2) and a lower fixing sleeve (16), wherein the centers of the two side walls of the upper fixing sleeve (2) and the lower fixing sleeve (16) are fixedly connected with connecting blocks (3) respectively, two connecting holes (11) are formed in the upper end face of each connecting block (3), bolts (9) are arranged at the upper ends of the connecting holes (11), the lower ends of the bolts (9) sequentially penetrate through the connecting holes (11) in the two connecting blocks (3), and the inner walls of the upper fixing sleeve (2) and the lower fixing sleeve (16) are close to the end portions and are provided with clamping blocks (8).

3. A novel cable-to-next-end grounding device as claimed in claim 1, wherein: the upper end of the support sleeve (7) penetrates through the lower wall of the lower fixing sleeve (16), the end part of the support sleeve is fixedly connected with a metal ring (15), and the metal ring (15) is fixedly connected to the inner walls of the upper fixing sleeve (2) and the lower fixing sleeve (16).

4. A novel cable-to-next-end grounding device as claimed in claim 1, wherein: the lower end of the grounding wire (6) is conical.

5. A novel cable-to-next-end grounding device as claimed in claim 1, wherein: the inner part of the rubber filling pipe (10) is provided with internal threads.

6. A novel cable-to-next-end grounding device as claimed in claim 1, wherein: the connecting sleeve (5) and the rubber filling pipe (10) are integrally formed by injection molding.

7. A novel cable-to-next-end grounding device as claimed in claim 1, wherein: the number of the fixed blocks (13) is six, the number of the fixed blocks (13) on the inner walls of the upper half block (17) and the lower half block (4) is the same, and the positions of the fixed blocks correspond to each other.

8. A novel cable-to-next-end grounding device as claimed in claim 2, wherein: and the surfaces of the upper fixing sleeve (2) and the lower fixing sleeve (16) are provided with insulating coatings.