CN103545723B - Bracket for cable closure - Google Patents

Abstract

The invention provides a kind of bracket for cable closure, this bracket includes: supporting plate, and supporting plate offers the through hole of dodging dodging cable, and supporting plate has the first relative side and the second side, and the first side is provided with the convex edge extended along brace edge.The bracket of the present invention can efficiently solve the problem that on power distribution cabinet, hole seals.

Description

Brackets for cable glands

technical field

The invention relates to the technical field of electric power engineering, in particular to a bracket used for cable sealing.

Background technique

The power distribution cabinet has a large number of applications in the substation or power distribution station. In order to facilitate the cables in the power distribution cabinet to extend out of the power distribution cabinet, holes with a diameter larger than the diameter of the cables will be opened on the power distribution cabinet to ensure the tightness of the power distribution cabinet. , to prevent the short circuit of the equipment caused by foreign objects entering the power distribution cabinet, and the hole needs to be sealed after the cable protrudes from the hole. In the prior art, the method of sealing the holes on the substation cabinet is to use organic blocking material to block the holes in the power distribution cabinet before the equipment is powered on. The organic putty in the hole will soften due to the increase of temperature, and then the drop of the organic putty will occur, so that the organic putty will lose the effect of sealing the hole. Due to the operation of the equipment, the hole cannot be sealed inside the power distribution cabinet. For re-blocking, only temporary blocking measures can be taken from the bottom of the distribution cabinet (the bottom of the cable interlayer distribution cabinet), but the temporary blocking measures cannot be operated for a long time, and the later maintenance workload is heavy.

Contents of the invention

The purpose of the present invention is to provide a bracket for cable plugging to solve the problem in the prior art that the plugging material is easy to fall off when plugging the hole and the hole is not tightly plugged.

In order to achieve the above object, according to one aspect of the present invention, a bracket for cable sealing is provided, including: a supporting plate, an avoidance through hole for avoiding cables is opened on the supporting plate, and the supporting plate has an opposite first side and the second side, the first side is provided with a protruding edge extending along the edge of the pallet.

Further, the pallet includes two interconnected sub-pallets, each sub-pallet has a first side and a second side, and each sub-pallet has a semicircular notch.

Further, an arc-shaped fence is provided on the second side of the sub-pallet, and the two ends of the arc-shaped fence are provided with a connecting portion extending radially outward along the avoidance through hole, and a connecting hole is opened on the connecting portion. And the axis of the connecting hole is perpendicular to the axis of the avoidance through hole.

Further, the arc-shaped enclosure is connected to the semicircular notch of the sub-pallet.

Further, the arc-shaped enclosure, the connecting portion and the sub-pallet are integrally structured.

Further, the first end of the sub-pallet is provided with a first stepped portion, and the second end of the sub-pallet is provided with a second stepped portion which is snap-fitted with the first stepped portion.

Further, the supporting plate is disc-shaped, and the axis of the supporting plate coincides with the axis of the avoidance through hole.

Further, the sub-pallet is semicircular.

In the technical solution of the present invention, the supporting plate is provided with an avoidance through hole for passing through the cable, and the supporting plate cooperates with the cable through the avoiding through hole, and the supporting plate is fixed on the cable by tight cooperation between the two. The convex edge of the plate is pressed against the wall plate around the hole where the cable is passed through, and the first side of the supporting plate, the convex edge and the wall plate cooperate to form a space for accommodating the blocking material, so that the supporting plate can support and restrain the blocking material Even if the blocking material falls off from the hole, the position of the blocking material will not change, ensuring the sealing effect of the blocking material on the hole.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 shows a schematic top view of an embodiment of a bracket for cable blocking according to the present invention;

Fig. 2 shows a schematic top view of the sub-pallet of the bracket of Fig. 1;

Fig. 3 shows a schematic front view of the sub-pallet of Fig. 2;

Figure 4 shows a schematic side view of the A place of the sub-pallet of Figure 3; and

FIG. 5 shows a schematic side view of B of the sub-pallet in FIG. 3 .

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

Fig. 1 shows a schematic top view of an embodiment of a bracket according to the present invention, referring to Fig. 1, as can be seen from the figure, the bracket of this embodiment includes a supporting plate, and the supporting plate is composed of two The sub-pallets are composed of sub-pallets, each sub-pallet includes a first side and a second side oppositely arranged, and each sub-pallet has a semicircular notch, and the semicircle of the two interconnected sub-pallets The shaped gap is oppositely arranged and forms a circular gap, which forms the avoidance through hole for the supporting plate to avoid the cable, and the supporting plate is provided with a convex edge 13 arranged along the edge of the supporting plate on the first side. The plate cooperates with the cable through the avoidance through hole, and the tight fit of the two fixes the supporting plate on the cable. At the same time, the convex edge 13 of the supporting plate abuts against the wall plate around the hole. Cooperate with the wall plate to form a space for the blocking material, so that the supporting plate can produce a supporting force and a binding force on the blocking material. Blocking effect to meet the needs of safe operation of distribution stations.

As shown in Figures 2 to 3, each sub-pallet 10 is provided with an arc-shaped enclosure 20 protruding to the side where the second side is located at the hole wall of the avoidance through hole, and on both sides of the arc-shaped enclosure 20 The end is also provided with a connecting portion 30, which extends outward along the radial direction of the avoidance through hole, and the connecting portion 30 is provided with a connecting hole, preferably, the axis of the connecting hole is perpendicular to the axis of the avoidance through hole. The two sub-pallets 10 are arranged opposite to each other when in use, and are connected by connecting pieces arranged in the connecting holes. The arc-shaped enclosure 20 on the sub-pallet 10 increases the mating area of the bracket and the cable, and the two sub-pallets 10 can be connected by a connecting piece that passes through the connection hole. Preferably, the connecting piece can use The bolts cooperate with the nuts, and the bolts and the nuts can cooperate with the trim pad and the anti-loosening washer to fasten the bracket on the cable. The above-mentioned structure of the bracket can facilitate the installation or removal of the bracket on the cable.

In this embodiment, there is a certain margin between the hole wall of the avoidance hole and the cable, that is, the diameter of the avoidance hole on the bracket is larger than the diameter of the cable. This setting makes the bracket compatible with cables of various diameters. Cooperate to improve the versatility of the bracket. The bracket of the present embodiment needs to be lined with anti-slip rubber at the inner wall of the arc enclosure 20 when in use, and the thickness of the anti-skid rubber is based on the margin between the hole wall of the avoidance through hole and the cable (i.e. the arc enclosure The distance between the inner wall and the cable sheath) is adjusted. After the two sub-plates 10 are connected, the anti-slip rubber can fix the bracket on the cable, effectively preventing the bracket from moving from the cable and affecting the sealing effect. Preferably, the pallet, the arc-shaped enclosure 20 and the connecting portion 30 on the sub-pallet 10 are integrally structured.

In order to make the connection of the two sub-pallets 10 tight, each sub-pallet 10 is provided with a first step portion 11 at the first end, and a second step portion cooperating with the first step portion 11 is provided at the second end. 12, wherein, as shown in Figure 4 and Figure 5, the first stepped portion 11 is in the shape of a positive step, and the second stepped portion 12 is in the shape of an inverted step. One end is engaged with the second end of the second supporting plate, and the second end of the first supporting plate is engaged with the first end of the second supporting plate. The first step portion 11 and the second step portion 12 The cooperation of the two sub-pallets 10 is more closely connected and plays a positioning role.

In an embodiment not shown in the figure, the bracket includes a supporting plate, preferably, the supporting plate is circular, and the supporting plate includes a first surface and a second surface oppositely arranged, and an avoidance through hole is opened on the supporting plate , a protrusion is provided on the first surface of the supporting plate along the edge of the supporting plate. There is a certain margin between the avoidance through hole of the supporting plate and the cable in this embodiment. When in use, the supporting plate is set on the outside of the cable in advance, the hole is blocked with a blocking material, and the supporting plate is slid to make the convex edge Tightly stick to the hole, and add a fixed structure between the supporting plate and the cable to fix the supporting plate so that the supporting plate no longer moves relative to the cable. At this time, the supporting plate supports and restrains the blocking material , to prevent the position change of the blocking material after it is detached from the cable, so that the detached blocking material can continue to seal the hole, ensure the sealing effect of the power distribution cabinet, and prevent safety hazards caused by foreign objects entering the power distribution cabinet.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (6)

1. the bracket for cable closure, it is characterised in that including: supporting plate, offering the through hole of dodging dodging cable on described supporting plate, described supporting plate has the first relative side and the second side, described first side is provided with along the convex edge (13) that described brace edge extends, wherein

Described supporting plate includes that two interconnective point supporting plate (10), each described point supporting plate (10) are respectively provided with described first side and the second side, and each described point supporting plate (10) is respectively provided with semicircular indentations；

First end of described point of supporting plate (10) is provided with first step portion (11), and the second end of described point of supporting plate (10) is provided with described first step portion (11) and fastens adaptive second step portion (12).

Bracket the most according to claim 1, it is characterized in that, second side of described point of supporting plate (10) is provided with arc enclosing (20), the two ends of described arc enclosing (20) are provided with the connecting portion (30) extended radially outwardly dodging through hole described in edge, offer connecting hole on described connecting portion (30), and the axis of described connecting hole be perpendicular to described in dodge the axis of through hole.

Bracket the most according to claim 2, it is characterised in that described arc enclosing (20) is connected at the semicircular indentations of described point of supporting plate (10).

Bracket the most according to claim 2, it is characterised in that described arc enclosing (20), described connecting portion (30) and described point of supporting plate (10) are structure as a whole.

Bracket the most according to claim 1, it is characterised in that described supporting plate is in disk form, and the axial line of described supporting plate and the described dead in line dodging through hole.

Bracket the most according to claim 1, it is characterised in that described point of supporting plate (10) semicircular in shape.