All-insulation power distribution rack

Abstract

The utility model relates to the technical field of electric power transmission, and provides an all-insulation power distribution rack, which comprises a mounting plate and U-shaped screws arranged at two ends of the mounting plate and connected with a telegraph pole, mounting nuts are respectively arranged at two ends of each U-shaped screw, a connecting piece used for connecting a lead is arranged on the mounting plate, and the mounting plate is provided with a connecting rod. An insulation assembly used for preventing electric leakage of the connecting piece is arranged on the installation plate and comprises a first sleeving semicircle and a second sleeving semicircle which are installed on the two sides of the installation plate respectively. According to the utility model, through the arrangement of the insulation assembly, the insulation isolation between the power distribution rack and the cable lead is realized, the occurrence of electric power safety accidents is reduced, and through the protection of the sleeve semicircle I and the sleeve semicircle II, an external corrosion object is prevented from directly contacting the insulation sleeve, the aging rate is reduced, and the service life is prolonged. In addition, due to the sphere formed by combining the first sleeving semicircle and the second sleeving semicircle, external substances are prevented from staying on the surface of the sphere for a long time, and the probability of corrosion is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission, in particular to a fully insulated distribution rack. Background Art

[0002] The distribution rack is an important component for laying cables and supporting distribution boxes and their equipment. In order to improve safety performance and reduce the occurrence of leakage, the connection parts between the existing distribution rack and the cable conductors are generally equipped with insulating sheaths. However, the distribution racks installed outdoors are easily corroded by factors such as rain and bird droppings, so the sheaths are prone to cracking and powdering during operation, thereby reducing the insulation protection of the cable conductors. The distribution racks in the existing power grid are mostly made of hot-dip galvanized steel, which has conductive properties. When the insulation performance of the sheath is reduced, the live parts installed on the distribution rack are exposed, which may cause power safety accidents and pose certain safety hazards. In view of this, we propose a fully insulated distribution rack. Utility Model Content

[0003] The utility model aims to solve the shortcomings that the insulating sheath on the existing distribution rack is easy to be accelerated to age under the action of corrosive objects, thus causing power safety accidents, and proposes a fully insulated distribution rack.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A fully insulated distribution rack, comprising a mounting plate, and U-shaped screws arranged at both ends of the mounting plate and connected to a utility pole, mounting nuts are respectively arranged at both ends of the U-shaped screw, a connector for connecting a wire is arranged on the mounting plate, and an insulating component for preventing the connector from leaking electricity is arranged on the mounting plate;

[0006] The insulating component includes a semicircular sleeve 1 and a semicircular sleeve 2 respectively installed on both sides of the mounting plate, and one end of the semicircular sleeve 1 is threadedly connected to the semicircular sleeve 2. An insulating sleeve is provided on the mounting plate, and one end of the connecting piece passes through the semicircular sleeve 1 and the mounting plate to the inside of the insulating sleeve, and a fixing nut that interferes with the insulating sleeve is installed on the external thread of the connecting piece.

[0007] Preferably, the insulating sleeve, the first sleeve semicircle and the second sleeve semicircle are all made of polyethylene.

[0008] Preferably, a plurality of guide grooves are provided on the outer side of the semicircular sleeve.

[0009] Preferably, the semicircular sleeve is provided with a limit assembly for limiting the rotation of the fixed nut, and the limit assembly includes a rubber film fixedly installed in the inner cavity of the semicircular sleeve, and the rubber film is provided with a limit rod that fits with the outer edge of the fixed nut, and the cross-section of the limit rod is circular.

[0010] Preferably, moisture-proof sleeves threadedly connected to the U-shaped screw are provided at both ends of the mounting plate, the moisture-proof sleeve has a trapezoidal cross-section, and the diameter of the smallest end is smaller than the mounting nut and fits closely with the mounting nut.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model realizes insulation isolation between the distribution station rack and the cable conductor by setting the insulating component, reduces the occurrence of power safety accidents, and avoids external corrosive objects from directly contacting the insulating sleeve through the protection of the semicircular sleeve one and the semicircular sleeve two, thereby reducing its aging rate. In addition, the sphere constructed by the combination of the semicircular sleeve one and the semicircular sleeve two avoids foreign matter from staying on its surface for a long time, thereby reducing the probability of corrosion.

[0013] 2. The utility model can divert rainwater falling on the semicircular sleeve 1 by setting the guide groove, avoiding it from entering the interior of the semicircular sleeve 1 and the semicircular sleeve 2 along the hole, thereby further improving the protection of the insulating sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a front cross-sectional view of the utility model;

[0016] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the middle A area;

[0017] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of area B in the middle.

[0018] In the figure: 1. Mounting plate; 2. U-shaped screw; 3. Mounting nut; 4. Moisture-proof sleeve; 5. Connector; 6. Insulating assembly; 61. Sleeve semicircle one; 62. Sleeve semicircle two; 63. Insulating sleeve; 64. Guide groove; 65. Limiting assembly; 651. Rubber film; 652. Limiting rod; 66. Fixing nut. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The distribution rack is an important part of the power transmission and distribution system, mainly used to support and fix various components in the power line system. The insulation sheath installed at its connection part is easily affected by external corrosion factors, and the insulation performance is reduced. This may lead to safety accidents. To solve the above defects, we propose the following technical solutions.

[0021] Embodiment 1

[0022] The insulation sheath on the existing distribution rack is prone to accelerated aging under the action of corrosive objects, thus causing power safety accidents. Figure 1-Figure 4 The present embodiment proposes a fully insulated distribution rack, which prevents external corrosive objects from directly contacting the insulating sleeve 63 and reduces its aging rate. It is mainly composed of a mounting plate 1, a U-shaped screw 2 connected to the electric pole at both ends of the mounting plate 1, and mounting nuts 3 are respectively provided at both ends of the U-shaped screw 2. A connector 5 for connecting the wire is provided on the mounting plate 1, and an insulating component 6 for preventing the connector 5 from leaking electricity is provided on the mounting plate 1. When in use, the mounting plate 1 is first fixed between two adjacent electric poles through the U-shaped screw 2 and the mounting nut 3, and then the connector 5 for connecting the wire is installed on the mounting plate 1, and an insulating component 6 is provided between the mounting plate 1 and the connector 5 to prevent the current on the connector rod 5 from being transmitted to the mounting plate 1, thereby reducing the occurrence of power safety accidents.

[0023] In order to reduce the aging speed of the insulating sheath, the present embodiment isolates the insulating material outside the insulating sleeve 63 by setting the insulating component 6. Figure 2 As shown, the insulating assembly 6 includes a sleeve semicircle 1 61 and a sleeve semicircle 2 62 respectively mounted on both sides of the mounting plate 1, and one end of the sleeve semicircle 1 61 is threadedly connected to the sleeve semicircle 2 62, and an insulating sleeve 63 is provided on the mounting plate 1, and one end of the connector 5 passes through the sleeve semicircle 1 61 and the mounting plate 1 to the inside of the insulating sleeve 63, and the outer thread of the connector 5 is threadedly mounted with a fixing nut 66 that conflicts with the insulating sleeve 63. Figure 4 As shown, the insulating sleeve 63 isolates the connector 5 from the mounting plate 1 to prevent the leakage current of the wire from flowing to the mounting plate 1, thereby achieving the insulation function. At the same time, the semicircle 1 61 and the semicircle 2 62 sleeved on the outside of the insulating sleeve 63 can protect the inner insulating sleeve 63 to prevent external corrosion factors from directly contacting the insulating sleeve 63, thereby extending the service life of the insulating sleeve 63. In addition, Figure 2 As shown, the sleeve semicircle 1 61 and the sleeve semicircle 2 62 form a sphere. If corrosive objects such as bird droppings or rainwater fall on it, they will quickly slide out under the action of their own gravity, shortening their contact time with the corrosive objects, reducing the probability of them being corroded, and improving the protection of the insulating sleeve 63.

[0024] The insulating sleeve 63, the semicircular sleeve one 61 and the semicircular sleeve two 62 are all made of polyethylene. Polyethylene not only has insulating properties, but also has good anti-aging and chemical resistance. It also has good flexibility at low temperatures and can be used in the range of -40°C to 60°C. The insulating sleeve 63, the semicircular sleeve one 61 and the semicircular sleeve two 62 made of it can work longer in outdoor environments, thereby reducing the maintenance cost of the distribution rack.

[0025] Embodiment 2

[0026] On the basis of the first embodiment, the technical solution proposed in the first embodiment is used to solve the disadvantage that the insulating sheath on the existing distribution rack is easily aged by corrosive objects, thereby causing power safety accidents. However, since the installation requires that a hole for the connector 5 to pass through is provided on one side of the semicircular sleeve 1 61, when it rains, rainwater may enter the semicircular sleeve 1 61 and the semicircular sleeve 2 62 through the hole to corrode the insulating sleeve 63, causing the insulating sleeve 63 to crack and powder.

[0027] Reference Figure 1-Figure 4 , a plurality of guide grooves 64 are provided on the outer side of the semicircular sleeve 61, such as Figure 2 As shown, in this embodiment, the guide groove 64 is provided to divert rainwater falling on the semicircular sleeve 1 61 to prevent it from entering the interior of the semicircular sleeve 1 61 and the semicircular sleeve 2 62 along the holes, thereby further improving the protection of the insulating sleeve 63.

[0028] The distribution rack installed outdoors is easily disturbed by external forces such as wind, resulting in shaking. The fixing nut 66 threadedly sleeved on the connecting member 5 is easily vibrated by external forces and loosened, reducing the stability between the connecting member 5 and the mounting plate 1. In this embodiment, a limit assembly 65 for limiting the rotation of the fixing nut 66 is provided on the sleeve semicircle 2 62. The limit assembly 65 includes a rubber film 651 fixedly installed in the inner cavity of the sleeve semicircle 2 62. The rubber film 651 is provided with a limit rod 652 that fits with the outer edge of the fixing nut 66. The cross section of the limit rod 652 is circular. In this embodiment, the limit rod 652 fits with the outer edge of the fixing nut 66, which limits the free rotation of the fixing nut 66, so that it will not easily fall off from the connecting member 5, thereby ensuring the stability between the connecting member 5 and the mounting plate 1. In addition, compared with the rectangular limit rod 652, the circular limit rod 652 has a larger contact area with the fixing nut 66, further improving the function of the limit assembly 65.

[0029] Moisture-proof sleeves 4 threadedly connected to the U-shaped screw 2 are arranged at both ends of the mounting plate 1. The cross-section of the moisture-proof sleeve 4 is trapezoidal, and the diameter of the smallest end is smaller than that of the mounting nut 3, and is fitted with the mounting nut 3. The mounting nut 3 is tightly fitted with the smallest end of the moisture-proof sleeve 4, which prevents rainwater from entering the interior of the moisture-proof sleeve 4 and corroding the threads, thereby facilitating the subsequent disassembly of the distribution rack.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fully insulated distribution rack, comprising a mounting plate (1), and U-shaped screws (2) arranged at both ends of the mounting plate (1) and connected to a utility pole, wherein mounting nuts (3) are respectively arranged at both ends of the U-shaped screw (2), and a connector (5) for connecting a wire is arranged on the mounting plate (1), characterized in that: The mounting plate (1) is provided with an insulating component (6) for preventing the connecting piece (5) from leaking electricity; The insulating component (6) comprises a sleeve semicircle one (61) and a sleeve semicircle two (62) respectively mounted on both sides of the mounting plate (1), and one end of the sleeve semicircle one (61) is threadedly connected to the sleeve semicircle two (62), and an insulating sleeve (63) is provided on the mounting plate (1), and one end of the connecting piece (5) passes through the sleeve semicircle one (61) and the mounting plate (1) to the inside of the insulating sleeve (63), and a fixing nut (66) that contacts the insulating sleeve (63) is threadedly mounted on the outside of the connecting piece (5).

2. A fully insulated distribution rack according to claim 1, characterized in that: The insulating sleeve (63), the first sleeve semicircle (61) and the second sleeve semicircle (62) are all made of polyethylene.

3. A fully insulated distribution rack according to claim 1, characterized in that: The outer portion of the sleeve semicircle (61) is provided with a plurality of guide grooves (64).

4. A fully insulated distribution rack according to claim 1, characterized in that: The sleeve semicircle 2 (62) is provided with a limit assembly (65) for limiting the rotation of the fixed nut (66), and the limit assembly (65) includes a rubber film (651) fixedly installed in the inner cavity of the sleeve semicircle 2 (62), and a limit rod (652) is provided on the rubber film (651) and is in contact with the outer edge of the fixed nut (66).

5. A fully insulated distribution rack according to claim 4, characterized in that: The cross section of the limiting rod (652) is circular.

6. The fully insulated distribution rack according to claim 1, characterized in that: Moisture-proof sleeves (4) threadedly connected to the U-shaped screw rod (2) are provided at both ends of the mounting plate (1); the moisture-proof sleeves (4) have a trapezoidal cross section, and the diameter of the smallest end is smaller than that of the mounting nut (3), and fits closely with the mounting nut (3).

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