Insulating shield for outdoor pole-mounted switch

Abstract

The utility model relates to an outdoor pole switch insulation shield comprising two insulation protection plates which are arranged in a bilateral symmetry manner, and U-shaped fastening frames which are clamped and matched with pole columns are respectively arranged above and below the rear side between the two insulation protection plates. Second U-shaped installation parts are fixed to the sides, close to each other, of the two insulation protection plates and the positions, close to the front sides of the insulation protection plates, of the two insulation protection plates correspondingly, shaft rods are rotationally installed on the second U-shaped installation parts correspondingly, the two ends of each shaft rod are sleeved with volute spiral springs correspondingly, one end of each volute spiral spring is fixed to the outer wall of the corresponding shaft rod, and the other end of each volute spiral spring is fixed to the corresponding second U-shaped installation part. The shaft rod is fixedly sleeved with a limiting clamping plate, and in a natural state, the limiting clamping plate is correspondingly kept perpendicular to the insulation protection plate. The insulating shield provided by the utility model can be firmly clamped outside the outdoor pole-mounted switch to insulate and separate the adjacent switches, thereby effectively avoiding short circuit and tripping faults to ensure the normal operation of a power grid circuit, and the mounting mode is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power protection equipment, in particular to an insulating protective cover for an outdoor pole-mounted switch. Background Art

[0002] Outdoor pole switch is an electrical switch device installed on the pole of outdoor high-voltage transmission line, mainly used to control and protect the normal operation of the power system. This switch can perform line tapping, load conversion or isolate faulty parts without cutting off the power supply. Outdoor pole switch has the advantages of simple structure, easy operation and low maintenance cost, and is widely used in urban and rural power distribution networks.

[0003] Typically, outdoor pole switches are arranged at intervals, and existing switches do not have a protective effect. In particular, when small animals climb between two adjacent switches or other objects come into contact with the two adjacent switches, short circuits and tripping faults are likely to occur, which is not conducive to the normal operation of the power grid circuit. Utility Model Content

[0004] The utility model aims to provide an outdoor pole-mounted switch insulating shield to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions.

[0006] An insulating shield for an outdoor pole-mounted switch comprises two insulating protection plates arranged symmetrically on the left and right, wherein U-shaped fastening frames matching with pole clamps are arranged at the upper and lower parts at the rear sides between the two insulating protection plates, and second U-shaped mounting pieces are fixed at the positions close to each other and close to the front sides of the two insulating protection plates, and shafts are rotatably mounted on the second U-shaped mounting pieces, and volute springs are respectively sleeved at both ends of the shaft, one end of the volute spring is fixed to the outer wall of the shaft, and the other end is fixed to the second U-shaped mounting piece, and a limit clamping plate is fixedly sleeved on the shaft, and in a natural state, the limit clamping plate is kept vertically corresponding to the insulating protection plate, and a plurality of slots matching with the terminal clamps are arranged on the limit clamping piece.

[0007] It can be seen that the insulating cover can be firmly mounted on the outside of the outdoor pole switch to insulate and separate adjacent switches, thereby effectively avoiding short circuits and tripping faults to ensure the normal operation of the power grid circuit. At the same time, the insulating cover is mainly composed of an insulating protection plate and some fastening parts. The overall structure is small and light. With the use of special tools, it is convenient for a single person to climb the pole for live installation. The installation method is simple and the fixing degree is high.

[0008] Furthermore, a limiting block is fixed on the side of the second U-shaped mounting member on the insulating protection plate, and the limiting block cooperates with the limiting clamping plate to limit the limiting clamping plate to rotate only toward one side of the U-shaped fastening frame.

[0009] Furthermore, a first U-shaped mounting piece is fixed on the insulating protection plate, and a first fastening screw is provided on the first U-shaped mounting piece. The two ends of the U-shaped fastening frame are correspondingly clamped in the first U-shaped mounting pieces on the insulating protection plates on both sides, and the ends of the U-shaped fastening frame are fastened to the first U-shaped mounting piece by the first fastening screw.

[0010] Furthermore, a fastening seat is fixed on one side opposite to the other and close to the rear side of the two insulating protection plates by a second fastening screw, a clamping head is fixed on the lower end of the fastening seat, the clamping head and the fastening seat are arranged in an inverted L-shaped structure, and clamping holes are provided on the clamping head.

[0011] Furthermore, ribs are provided on both sides of the insulating protection plate, and the ribs are arranged in a crisscross pattern.

[0012] Furthermore, a plurality of first ventilation holes are evenly distributed on the insulating protection plate, and a plurality of second ventilation holes are evenly distributed on the limiting card plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows.

[0014] 1. The insulating shield provided by the utility model can be firmly mounted on the outside of the outdoor pole switch to insulate and separate adjacent switches, thereby effectively avoiding short circuit and tripping faults to ensure the normal operation of the power grid circuit.

[0015] 2. The insulating shield provided by the utility model is mainly composed of an insulating protection plate and some fastening parts. The overall structure is compact and light. It is convenient for a single person to install it under power by climbing a pole with special tools. The installation method is simple and the fixing degree is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the three-dimensional schematic diagrams of the overall structure of the utility model;

[0017] Figure 2 This is the second three-dimensional schematic diagram of the overall structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the detailed structure installation of the limit card plate in the utility model;

[0019] Figure 4 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 5 for Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0021] Figure 6 This is the installation diagram of the insulation cover.

[0022] In the figure: 01, hand-held rod; 02, U-shaped clamping rod; 03, U-shaped clamping part; 04, bayonet; 1, insulation protection plate; 11, ribs; 12, first ventilation hole; 2, U-shaped fastening frame; 21, first U-shaped mounting part; 22, first fastening screw; 3, limit clamping plate; 31, clamping groove; 32, second ventilation hole; 4, second U-shaped mounting part; 41, shaft rod; 42, scroll spring; 5, limit block; 6, fastening seat; 61, second fastening screw; 62, clamp head; 621, clamping hole. DETAILED DESCRIPTION

[0023] 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.

[0024] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection" and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "connection" can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed" means that they are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present utility model, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present utility model.

[0025] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0026] See also Figure 1-Figure 5The utility model provides an insulating shield for an outdoor pole-mounted switch, comprising two insulating protection plates 1 arranged symmetrically on the left and right, wherein U-shaped fastening frames 2 matching the pole clamping are respectively arranged at the upper and lower parts of the rear sides between the two insulating protection plates 1, and second U-shaped mounting members 4 are respectively fixed at the positions close to each other and close to the front sides of the two insulating protection plates 1, and shafts 41 are rotatably mounted on the second U-shaped mounting members 4, and volute springs 42 are respectively sleeved on both ends of the shafts 41, one end of the volute spring 42 is fixed to the outer wall of the shafts 41, and the other end is fixed to the second U-shaped mounting member 4, and a limit card plate 3 is fixedly sleeved on the shafts 41, and in a natural state, the limit card plate 3 corresponds to the insulating protection plate 1 and remains vertical, and a plurality of card slots 31 matching the terminal clamping are provided on the limit card plate 3.

[0027] When installing the insulating shield of the switch, the insulating shield of the switch is lifted to the same height as the switch, and then pushed forward. After the two limit card plates 3 on the front side are squeezed by the pole, they rotate toward the side of the U-shaped fastening frame 2. At this time, the volute spring 42 elastically stores force. Finally, the pole is clamped into the space surrounded by the two insulating protection plates 1, the two U-shaped fastening frames 2 and the two limit card plates 3. The two U-shaped fastening frames 2 clamp the pole. After the limit card plates 3 are separated from the pole, under the elastic reset action of the volute spring 42, the shaft 41 and the limit card plates 3 are driven to rotate and reset. The two limit card plates 3 clamp the two sides of the terminal through the card slots 31 thereon, and the installation of the insulating shield is realized. The insulating shield can be firmly clamped on the outside of the outdoor pole switch to insulate and separate the adjacent switches, thereby effectively avoiding short circuits and tripping faults to ensure the normal operation of the power grid circuit.

[0028] Specifically, a limiting block 5 is fixed on the side of the second U-shaped mounting member 4 on the insulating protection plate 1, and the limiting block 5 cooperates with the limiting card plate 3 to limit the limiting card plate 3 to rotate only toward one side of the U-shaped fastening frame 2. Through the limiting of the limiting block 5, the limiting card plate 3 can be prevented from rotating toward the side away from the U-shaped fastening frame 2, thereby preventing the protective cover from falling off and ensuring the firmness of the installation.

[0029] Specifically, a first U-shaped mounting piece 21 is fixed on the insulating protection plate 1, and a first fastening screw 22 is provided on the first U-shaped mounting piece 21. The two ends of the U-shaped fastening frame 2 are correspondingly stuck in the first U-shaped mounting pieces 21 on the insulating protection plates 1 on both sides, and the ends of the U-shaped fastening frame 2 are fastened and fixed to the first U-shaped mounting pieces 21 by the first fastening screws 22. The two ends of the U-shaped fastening frame 2 are fastened to the first U-shaped mounting pieces 21 on both sides by the first fastening screws 22, so as to realize the installation of the U-shaped fastening frame 2, and at the same time, the U-shaped fastening frame 2 has a detachable effect. During the later inspection and maintenance, the first fastening screws 22 are unscrewed to separate the U-shaped fastening frame 2 from the first U-shaped mounting piece 21, and the insulating shield can be removed from the switch, which is convenient for disassembly and assembly.

[0030] Specifically, a fastening seat 6 is fixed on the opposite side of the two insulating protection plates 1 and close to the rear side of the insulating protection plates 1 by a second fastening screw 61, and a clamping head 62 is fixed to the lower end of the fastening seat 6. The clamping head 62 and the fastening seat 6 are arranged in an inverted L-shaped structure, and a clamping hole 621 is provided on the clamping head 62. By setting the second fastening screw 61, the clamping head 62 and the clamping hole 621, it is convenient to install the insulating shield using tools.

[0031] Specifically, ribs 11 are provided on both sides of the insulating protection plate 1, and the ribs 11 are arranged in a criss-cross pattern. The ribs 11 are arranged in a criss-cross pattern on both sides of the insulating protection plate 1, which not only improves the structural strength of the insulating protection plate 1, but also can abut against the outside of the switch, further ensuring the firmness of the installation.

[0032] Specifically, a plurality of first air holes 12 are evenly distributed on the insulating protection plate 1, and a plurality of second air holes 32 are evenly distributed on the limiting card plate 3. By providing the first air holes 12 and the second air holes 32, normal air circulation can be ensured, thereby facilitating heat dissipation when the switch is working.

[0033] See also Figure 6 The tool for installing the insulating shield is a hand-held rod 01, a U-shaped clamping rod 02 is fixed on the top of the hand-held rod 01, a U-shaped clamping piece 03 is mounted on the hand-held rod 01, and both ends of the U-shaped clamping piece 03 have bayonet holes 04. The specific method of using the tool to install the insulating shield is as follows.

[0034] First, align the two ends of the U-shaped clamping rod 02 and insert them into the clamping holes 621 on the clamping heads 62 on both sides, then clamp the clamping holes 04 at both ends of the U-shaped clamping piece 03 on the rear sides of the insulating protection plates 1 on both sides, then hold the handle rod 01 to lift the insulating protection plate 1 to a height almost the same as the switch, then push the insulating shield forward, and the two limiting clamping plates 3 on the front side are squeezed by the pole and rotate toward the side of the U-shaped fastening frame 2. At this time, the volute spring 42 elastically stores force, and finally, the pole is clamped into the space surrounded by the two insulating protection plates 1, the two U-shaped fastening frames 2 and the two limiting clamping plates 3. The two U-shaped fastening frames 2 will clamp the pole After the column is clamped and the limit card plate 3 is separated from the pole, the volute spring 42 elastically resets the shaft rod 41 and the limit card plate 3 and rotates to reset. The two limit card plates 3 clamp the two sides of the terminal through the card slots 31 thereon, thereby realizing the installation of the insulating shield. Under the limiting action of the limit block 5, the limit card plate 3 is prevented from rotating to the side away from the U-shaped fastening frame 2, thereby preventing the insulating shield from falling off. Since the insulating shield is mainly composed of the insulating protection plate 1 and other fastening parts, the overall structure is compact and light. Special tools are used to facilitate live installation by a single person climbing the pole. The installation method is simple and the fixing degree is high.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An outdoor pole switch insulation cover, characterized in that: It comprises two insulating protection plates (1) arranged symmetrically on the left and right, and U-shaped fastening frames (2) matching with the pole clamping are respectively arranged at the upper and lower parts of the rear sides between the two insulating protection plates (1); A second U-shaped mounting member (4) is respectively fixed at a position close to the front side of the two insulating protection plates (1) on one side close to each other; A shaft (41) is rotatably mounted on each of the second U-shaped mounting members (4), and a spiral spring (42) is sleeved on both ends of the shaft (41), one end of the spiral spring (42) is fixed to the outer wall of the shaft (41), and the other end is fixed to the second U-shaped mounting member (4); A limit clamping plate (3) is fixedly mounted on the shaft rod (41), and in a natural state, the limit clamping plate (3) is kept perpendicular to the insulating protection plate (1); The position-limiting clamping plate (3) is provided with a plurality of clamping grooves (31) that match the clamping of the terminal posts.

2. The insulating shield for outdoor pole mounted switch according to claim 1, characterized in that: A limiting block (5) is fixed on the insulating protection plate (1) at the side of the second U-shaped mounting member (4), and the limiting block (5) cooperates with the limiting clamping plate (3) to limit the limiting clamping plate (3) to rotate only toward one side of the U-shaped fastening frame (2).

3. The insulating shield for outdoor pole mounted switch according to claim 1, characterized in that: A first U-shaped mounting member (21) is fixed on the insulating protection plate (1), and a first fastening screw (22) is provided on the first U-shaped mounting member (21); The two ends of the U-shaped fastening frame (2) are correspondingly clamped in the first U-shaped mounting pieces (21) on the insulating protection plates (1) on both sides, and the ends of the U-shaped fastening frame (2) are fastened and fixed to the first U-shaped mounting pieces (21) by means of the first fastening screws (22).

4. The insulating shield for outdoor pole mounted switch according to claim 1, characterized in that: A fastening seat (6) is fixed on one side of the two insulating protection plates (1) opposite to each other and close to the rear side of the insulating protection plates (1) by means of a second fastening screw (61), a clamping head (62) is fixed on the lower end of the fastening seat (6), and the clamping head (62) and the fastening seat (6) are arranged in an inverted L-shaped structure; The clamping heads (62) are each provided with a clamping hole (621).

5. The outdoor pole switch insulation cover according to claim 1 is characterized in that: Ribs (11) are provided on both sides of the insulating protection plate (1), and the ribs (11) are arranged in a crisscross pattern.

6. The outdoor pole switch insulation cover according to claim 1, characterized in that: The insulating protection plate (1) is evenly distributed with a plurality of through first air holes (12), and the limiting clamping plate (3) is evenly distributed with a plurality of through second air holes (32).

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