CN215343870U

CN215343870U - Branch box cable supporting structure

Info

Publication number: CN215343870U
Application number: CN202121448478.2U
Authority: CN
Inventors: 徐志伟; 左希礼; 师红亮; 余罡; 杨帅; 王孟; 简青彪; 杨周强
Original assignee: Huaneng Zhaojue Wind Power Co ltd
Current assignee: Huaneng Zhaojue Wind Power Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-28
Anticipated expiration: 2031-06-28
Also published as: DE202022103005U1

Abstract

The utility model provides a branch box cable supporting structure which is arranged in a branch box and comprises two groups of supporting top plates arranged on two sides of a busbar, wherein a group of supporting bottom plates are arranged below each group of supporting top plates in parallel, the supporting top plates and the supporting bottom plates on the same side are connected through vertical plates, and a plurality of threading hole groups for penetrating cables are arranged on the vertical plates so as to preliminarily limit the cables connected to the busbar; an extrusion part is arranged above each group of threading holes, and the cable is extruded on the support bottom plate through the extrusion part arranged in the support structure, so that the cable is clamped; the branch box cable supporting structure is simple and practical in structure, when the wiring terminal falls off, the cable cannot deviate due to the fact that the supporting structure fixes the cable, and power utilization accidents are not prone to being caused.

Description

Branch box cable supporting structure

Technical Field

The utility model relates to the field of distribution boxes, in particular to a branch box cable supporting structure.

Background

Can connect more cable on the busbar in the cable branch box for the cable of box arranges comparatively compactly, usually, the binding post of cable tip is mostly screwed on the busbar through the screw, can cause binding post to drop because of the reason that drops naturally or artificial maloperation sometimes, and the binding post that drops very easily overlap joint causes the electric shock accident on busbar interface or the branch box that closes on.

For the above reasons, there is a need for improvements in branch boxes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems in the prior art and provide a cable supporting structure used in a branch box, which is used for fixing a cable in a box body, so that when a wiring terminal of the cable falls off, the cable is not easy to deviate to other structures in the box body to cause danger.

The embodiment of the utility model is realized by the following technical scheme:

a branch box cable supporting structure is arranged inside a branch box and comprises two groups of supporting top plates arranged on two sides of a busbar, a group of supporting bottom plates are arranged below each group of supporting top plates in parallel, the supporting top plates and the supporting bottom plates on the same side are connected through vertical plates, and a plurality of threading hole groups for penetrating cables are arranged on the vertical plates;

every group wire passing hole group top is equipped with the extruded article, the extruded article passes through the spring and is connected with the roof that supports to elasticity through the spring is with the cable extrusion between supporting baseplate and extruded article, the extruded article upper end still is connected with the pole setting, and pole setting upper end slidable wears to establish on supporting the roof, the spring housing is located in the pole setting.

In some preferred embodiments, each end of each set of support ceiling is removably attached to a box side wall of the branch box by fasteners.

In some preferred embodiments, the set of perforations comprises a plurality of through holes of different inner diameters, and the plurality of through holes in each set of perforations are contoured tangentially to the surface of the support floor.

In some preferred embodiments, the upper end of the upright is provided with a pull ring.

In some preferred embodiments, the support base plate comprises side wall portions, the base plate body can be arranged at two ends of the base plate body, and the side wall portions are attached to the inner ends of the connecting plates.

As another embodiment, the supporting structure is arranged inside the branch box and comprises two groups of supporting top plates arranged on two sides of the busbar, a group of supporting bottom plates are arranged below each group of supporting top plates in parallel, the supporting top plates and the supporting bottom plates on the same side are connected through vertical plates, and a plurality of threading hole groups for the penetration of cables are arranged on the vertical plates;

an extrusion piece is arranged above each group of threading holes and is connected with the supporting top plate through a compression-shaped spring; the extruded piece upper end still rotationally is connected with the pole setting, pole setting upper end and supporting roof threaded connection, the spring housing is located in the pole setting.

In some preferred embodiments, a shaft sleeve sleeved on the upright rod is further welded on the top supporting plate, an external thread is arranged on the upright rod, and an internal thread matched with the external thread is arranged in the shaft sleeve.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

the branch box cable support structure is arranged on two sides of a bus bar in a branch box, a threading hole group is arranged in the support structure to preliminarily limit the cable connected to the bus bar, and the cable is extruded on a support bottom plate through an extrusion piece arranged in the support structure so as to be clamped; the branch box cable supporting structure is simple and practical in structure, when the wiring terminal falls off, the cable cannot deviate due to the fact that the supporting structure fixes the cable, and power utilization accidents are not prone to being caused.

Drawings

FIG. 1 is a schematic view of the overall structure of the branch box of the present invention;

FIG. 2 is a schematic structural view of the support structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

icon: 10-branch box, 100-box side wall, 1000-connecting plate, 20-cable, 200-wiring terminal, 21-bus bar, 30-supporting structure, 300-supporting top plate, 3000-fastening piece, 3010-shaft sleeve, 310-supporting bottom plate, 3100-bottom plate body, 3110-side wall part, 320-vertical plate, 3200-threading hole group, 330-vertical rod, 3300-pull ring, 340-spring and 350-extrusion piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Referring to fig. 1 to 3, a branch box cable support structure is disposed inside a branch box 10 and used for fixing a cable 20 inside the branch box 10 to prevent a connection terminal 200 of the cable 20 from falling off to cause a short circuit and a leakage risk.

The supporting structure 30 includes two groups of supporting top plates 300 arranged at two sides of the bus bar 21, a group of supporting bottom plates 310 is arranged below each group of supporting top plates 300 in parallel, the supporting top plates 300 and the supporting bottom plates 310 at the same side are connected through vertical plates 320, the supporting top plates 300, the supporting bottom plates 310 and the vertical plates 320 are all of sheet metal structures, and a plurality of threading hole groups 3200 for the cables 20 to pass through are processed on the vertical plates 320 through a punch press; specifically, each group of interfaces for connecting the cable 20 on the busbar 21 is correspondingly provided with one group of the threading holes 3200.

Referring to fig. 2 and 3, the threading hole group 3200 includes a plurality of through holes with different inner diameters to adapt to cables 20 with different diameters, and the profiles of the through holes in each threading hole group 3200 are tangent to the surface of the support base plate 310, so that after the cables 20 are inserted into the through holes, the cables 20 are in contact with the surface of the support base plate 310.

Above each group 3200 of the perforations, there is provided an extrusion member 350, the extrusion member 350 being used to extrude the cable 20 downwards to compress the cable 20 between the extrusion member 350 and the support base plate 310, and to achieve the above extrusion action, the following two embodiments are now provided:

the first embodiment is as follows: the extruded part 350 is connected with the supporting top plate 300 through the spring 340 to extrude the cable 20 between the supporting bottom plate 310 and the extruded part 350 through the elasticity of the spring 340, the upper end of the extruded part 350 is further connected with the vertical rod 330, the upper end of the vertical rod 330 slidably penetrates through the supporting top plate 300, the spring 340 is sleeved on the vertical rod 330, namely, the cable 20 is pressed through the elasticity of the spring 340, at the moment, the supporting top plate 300 is considered to be of a sheet metal structure, the supporting top plate 300 is further provided with the shaft sleeve 3010, and the vertical rod 330 penetrates through the shaft sleeve 3010 to provide a good guiding effect for the sliding of the shaft sleeve 3010.

Example two: the pressing member 350 is connected to the supporting top plate 300 by a spring 340 in a compressed state; the upper end of the extrusion piece 350 is also rotatably connected with a vertical rod 330, the upper end of the vertical rod 330 is in threaded connection with the top supporting plate 300, and the spring 340 is sleeved on the vertical rod 330; namely, the vertical rod 330 is screwed, the cable 20 is pressed by the engaging force of the threaded opening on the vertical rod 330 and the threaded opening in the top supporting plate 300, at this time, the elastic force of the spring 340 can provide a pre-tightening force for the threaded connection between the vertical rod 330 and the top supporting plate 300, and the threaded opening on the vertical rod 330 can be prevented from loosening; at this time, optionally, in consideration of the fact that the supporting top plate 300 is of a sheet metal structure and the thickness of a threaded opening of the supporting top plate is limited, a shaft sleeve 3010 sleeved on the vertical rod 330 is further welded on the supporting top plate 300, an external thread is arranged on the vertical rod 330, and an internal thread matched with the external thread is arranged in the shaft sleeve 3010.

In the two sets of embodiments, two ends of each set of top supporting plates 300 are detachably connected to the box sidewall 100 of the branch box 10 by fasteners 3000, specifically, the box sidewall 100 of the branch box 10 is provided with the connecting plate 1000, and two ends of the supporting base plate 300 are mounted on the connecting plate 1000 by screws.

In addition, in the first embodiment, the upper end of the vertical rod 330 is provided with a pull ring 3300.

In addition, in the two embodiments, the supporting base plate 310 includes the side wall portions 3110 that the base plate body 3100 can be disposed at two ends of the base plate body 3100, the side wall portions 3110 are attached to the inner end of the connecting plate 1000, and when the supporting mechanism 30 is installed, the side wall portions 3110 at two sides can provide an initial positioning function for the supporting mechanism 30, so as to facilitate the installation of the fastening member 3000.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A branch box cable supporting structure is arranged inside a branch box (10), and is characterized in that the supporting structure (30) comprises two groups of supporting top plates (300) arranged on two sides of a busbar (21), a group of supporting bottom plates (310) are arranged below each group of supporting top plates (300) in parallel, the supporting top plates (300) and the supporting bottom plates (310) on the same side are connected through a vertical plate (320), and a plurality of threading hole groups (3200) for penetrating cables (20) are arranged on the vertical plate (320);

every group wire hole group (3200) top is equipped with extruded article (350), extruded article (350) are connected with supporting roof (300) through spring (340) to elasticity through spring (340) is extruded cable (20) between supporting baseplate (310) and extruded article (350), extruded article (350) upper end still is connected with pole setting (330), and pole setting (330) upper end is worn to establish on supporting roof (300) slidable, spring (340) cover is located on pole setting (330).

2. The breakout box cable support structure of claim 1, wherein: both ends of each group of supporting top plates (300) are respectively detachably connected to the box body side wall (100) of the branch box (10) through fasteners (3000).

3. The branch box cable support structure according to claim 1 or 2, wherein: threading hole group (3200) includes the through-hole that a plurality of internal diameters are different, and the profile of a plurality of through-holes in every group threading hole group (3200) all is tangent with the surface of supporting baseplate (310).

4. The branch box cable support structure according to claim 1 or 2, wherein: the upper end of the vertical rod (330) is provided with a pull ring (3300).

5. The branch box cable support structure according to claim 1 or 2, wherein: the supporting bottom plate (310) comprises side wall portions (3110) which are arranged at two ends of the bottom plate body (3100), and the side wall portions (3110) are attached to the end portions of the inner sides of the connecting plates (1000).

6. A branch box cable supporting structure is arranged inside a branch box (10), and is characterized in that the supporting structure (30) comprises two groups of supporting top plates (300) arranged on two sides of a busbar (21), a group of supporting bottom plates (310) are arranged below each group of supporting top plates (300) in parallel, the supporting top plates (300) and the supporting bottom plates (310) on the same side are connected through a vertical plate (320), and a plurality of threading hole groups (3200) for penetrating cables (20) are arranged on the vertical plate (320);

an extrusion piece (350) is arranged above each group of the threading hole groups (3200), and the extrusion piece (350) is connected with the supporting top plate (300) through a compression-shaped spring (340); extruded piece (350) upper end still rotationally is connected with pole setting (330), pole setting (330) upper end and supporting roof (300) threaded connection, spring (340) cover is located on pole setting (330).

7. The branch box cable support structure according to claim 6, wherein a shaft sleeve (3010) sleeved on the vertical rod (330) is further welded on the supporting top plate (300), an external thread is arranged on the vertical rod (330), and an internal thread matched with the external thread is arranged in the shaft sleeve (3010).