Porcelain insulator convenient for single body replacement

Abstract

The utility model discloses a porcelain insulator convenient for single body replacement, comprising a porcelain insulator body, the upper end of the porcelain insulator body is provided with a steel cap, and the lower part of the porcelain insulator body is connected with a steel pin; a fixing cover is installed on the outer side of the steel cap, a notch is formed in the side wall of the fixing cover, a limiting ring is installed on the outer side of the upper end of the steel cap, an adjusting head is arranged on the outer side of the limiting ring in a sleeving mode, and a through groove is formed in the adjusting head; the upper side of the adjusting head is connected with a compression spring, the end of the compression spring is connected with a positioning frame, the outer side of the positioning frame is connected with a moving rod, and the end of the positioning frame is in threaded connection with a fixing nut. According to the porcelain insulator convenient for single body replacement, the arc-shaped buffer plate is used for buffering wind, and the rotation of the buffer plate under stress and the revolution of the buffer plate around the support ring are cooperatively used, so that the wind force is buffered, and the porcelain insulator body is subjected to wind-resistant protection.

Description

TECHNICAL FIELD

[0001] The utility model relates to porcelain insulator technical field, concretely is a porcelain insulator convenient to monomer replacement. BACKGROUND

[0002] Porcelain insulator is a kind of special insulation control, can play an important role in overhead transmission line, its purpose is to increase the creepage distance, porcelain insulator is widely applied in electric power distribution system due to the advantages of superior electrical performance, good mechanical property, strong environmental adaptability.

[0003] When porcelain insulator appears damage in operation, porcelain insulator monomer needs to be replaced, reduces the cost of porcelain insulator whole dismounting replacement, but when porcelain insulator monomer is disassembled and replaced, due to the mutual staggered limiting between adjacent porcelain insulators, it is not conducive to the quick, convenient disassembly and replacement of porcelain insulator monomer in middle position, and the wind force received by porcelain insulator monomer is not convenient for buffering, and its wind resistance performance is lower.

[0004] Therefore we propose a kind of porcelain insulator convenient to monomer replacement to solve the problems proposed above. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of porcelain insulator convenient to monomer replacement to solve the problems proposed in the above background art that the mutual staggered limiting between adjacent porcelain insulators in the market is not conducive to the quick, convenient disassembly and replacement of porcelain insulator monomer in middle position, and the wind force received by porcelain insulator monomer is not convenient for buffering, and its wind resistance performance is lower.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of porcelain insulator convenient to monomer replacement, including porcelain insulator body, the upper end of the porcelain insulator body is equipped with steel cap, the lower of the porcelain insulator body is connected with steel foot;

[0007] The outer side of the steel cap is equipped with fixed cover, the sidewall of the fixed cover is equipped with notch, the upper end outer side of the steel cap is equipped with limit ring, the outer side of the limit ring is equipped with adjusting head, the inside of the adjusting head is equipped with through slot;

[0008] The upper side of the adjusting head is connected with compression spring, the end of the compression spring is connected with positioning frame, the outer side of the positioning frame is connected with moving rod, the end of the positioning frame is screw threadedly connected with fixed nut;

[0009] Wind resistance assembly for wind buffering of porcelain insulator body is arranged on the fixed cover.

[0010] Preferably, the wind-resistant assembly comprises a support ring fixed to the outside of the fixed cover by bolts, the outer edge of the support ring is slidably connected with a support plate, the end of the support plate is rotatably connected with a rotating shaft, the connecting end of the rotating shaft and the support plate is provided with a volute spring, and the end of the rotating shaft is provided with a buffer plate.

[0011] Preferably, the adjusting head and the steel cap form a rotating structure, and the through slot formed in the adjusting head is located on the same horizontal plane as the notch formed in the side wall of the fixed cover.

[0012] Preferably, the moving rod is slidably connected with the positioning frame at the upper end of the adjusting head, and the positioning frame has a side "U" shaped structure.

[0013] Preferably, the end of the positioning frame penetrates the fixed cover, and the opening direction of the positioning frame is the same as the opening direction of the through slot.

[0014] Preferably, the buffer plate has an arc-shaped structure, the buffer plates are distributed at equal angles about the longitudinal center line of the support ring, and the buffer plate and the support ring form a rotating structure through the support plate.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] (1) The porcelain insulator convenient to replace single body, through control moving rod moves, drives positioning frame to move, adjusts the interval between the end of positioning frame and fixed cover, realizes the locking and unlocking of adjusting head, and the unlocked adjusting head can rotate, so as to adjust the relative position of through slot and notch, and the position corresponding through slot and notch, which is convenient for the porcelain insulator to be disassembled and replaced, and the structure can also conveniently disassemble and replace the porcelain insulator at the middle position, and the positions of through slot and notch are staggered, and the positioning frame penetrates the fixed cover, and the fixed nut is locked, so that double locking of the single assembly of the porcelain insulator can be realized, and the stability is higher, and the operation is flexible and convenient.

[0017] (2) The porcelain insulator convenient to replace single body buffers the wind by the arc-shaped buffer plate, and the buffer plate is used in cooperation with the rotation and revolution around the support ring under stress to buffer the wind and protect the porcelain insulator body. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a support ring structure schematic view of the utility model;

[0020] Figure 3 It is a fixed cover structure schematic view of the utility model;

[0021] Figure 4The utility model discloses fixed cover sectional structure schematic diagram shows,

[0022] Figure 5 The utility model discloses support ring sectional structure schematic diagram shows,

[0023] Figure 6 The utility model discloses pivot and support plate connecting structure schematic diagram.

[0024] In the drawing: 1, porcelain insulator body;2, steel cap;3, steel foot;4, fixed cover;5, adjusting head;6, through slot;7, moving rod;8, compression spring;9, positioning frame;10, fixed nut;11, notch;12, support ring;13, support plate;14, pivot;15, vortex spring;16, buffer plate;17, limit ring. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of the utility model protection.

[0026] Please refer to Figures 1-6 The utility model provides the following technical scheme: a porcelain insulator convenient for single body replacement, including porcelain insulator body 1, the upper end of porcelain insulator body 1 is installed with steel cap 2, and the lower of porcelain insulator body 1 is connected with steel foot 3;The outside of steel cap 2 is installed with fixed cover 4, and the side wall of fixed cover 4 is provided with notch 11, and the upper end outside of steel cap 2 is installed with limit ring 17, and the outside of limit ring 17 is sleeved with adjusting head 5, and the inside of adjusting head 5 is provided with through slot 6;

[0027] Further, adjusting head 5 and steel cap 2 constitute a rotating structure, the through slot 6 in adjusting head 5 and the notch 11 in the side wall of the fixed cover 4 are located on the same horizontal plane, the relative position between the through slot 6 and the notch 11 can be adjusted by controlling the rotation of the adjusting head 5, and the porcelain insulator body 1 can be disassembled and assembled.

[0028] The upper side of adjusting head 5 is connected with compression spring 8, the end of compression spring 8 is connected with positioning frame 9, the outside of positioning frame 9 is connected with moving rod 7, and the end of positioning frame 9 is threadedly connected with fixed nut 10.

[0029] Further, the moving rod 7 is slidably connected through the upper end of the adjusting head 5 and the positioning frame 9, the positioning frame 9 is a side "U" shaped structure, the moving rod 7 can be smoothly moved, the position of the positioning frame 9 is adjusted, and the locking and unlocking of the adjusting head 5 are realized.

[0030] Further, the end of the positioning frame 9 penetrates the fixed cover 4, the opening direction of the positioning frame 9 is the same as the opening direction of the through slot 6, the positioning frame 9 is clamped with the fixed cover 4, and the fixed nut 10 is used in cooperation, so that the adjusting head 5 can be double-locked, the assembly of the porcelain insulator body 1 is stable;

[0031] The fixed cover 4 is provided with a wind-resistant assembly for buffering the porcelain insulator body 1 against wind;

[0032] Further, the wind-resistant assembly comprises a support ring 12 fixed to the outside of the fixed cover 4, the outer edge of the support ring 12 is slidably connected with a support plate 13, the end of the support plate 13 is rotatably connected with a rotating shaft 14, the connecting end of the rotating shaft 14 and the support plate 13 is provided with a vortex spring 15, and the end of the rotating shaft 14 is provided with a buffer plate 16;

[0033] Further, the buffer plate 16 is an arc structure, the buffer plate 16 is distributed at equal angles about the longitudinal center line of the support ring 12, the buffer plate 16 and the support ring 12 form a rotating structure through the support plate 13, the arc surface of the buffer plate 16 and the forced rotation and revolution of the buffer plate 16 around the support ring 12 are used to buffer the wind and protect the porcelain insulator body 1 against wind;

[0034] Specifically, the steel leg 3 connected with the porcelain insulator body 1 is moved from the side through slot 6 to the adjusting head 5 at the adjacent position, the steel leg 3 is first positioned upward and downward, the moving rod 7 is pulled, the moving rod 7 controls the movement of the positioning frame 9 provided at the end, at the same time the positioning frame 9 extrudes and stores the force of the compression spring 8, then the moving rod 7 is actuated, the adjusting head 5 is controlled to rotate, the position of the through slot 6 is staggered with the position of the notch 11, the through slot 6 is surrounded by the fixed cover 4, the pulling of the moving rod 7 is released, the compression spring 8 can control the resetting movement of the positioning frame 9, the end of the positioning frame 9 penetrates the fixed cover 4, the fixed nut 10 is threadedly connected to the end of the positioning frame 9, the double locking of the adjusting head 5 is realized, the horizontal positioning of the steel leg 3 is realized, and the assembly of the porcelain insulator body 1 is realized, when the porcelain insulator body 1 needs to be disassembled, only the fixed nut 10 is removed, the end of the positioning frame 9 is moved out of the fixed cover 4 by pulling the moving rod 7, the fixing of the adjusting head 5 is released, the adjusting head 5 is driven to rotate, the position of the through slot 6 is aligned with the position of the notch 11, and the porcelain insulator body 1 can be directly disassembled and replaced;

[0035] When the wind blows to the porcelain insulator body 1, the arc surface of the buffer plate 16 is used for buffering, the buffer plate 16 can rotate through the rotating shaft 14, the vortex spring 15 connected at the end of the rotating shaft 14 rotates and stores the force, the support plate 13 receives the thrust of the buffer plate 16 and can slide in the support ring 12, further buffering is realized, the wind resistance of the porcelain insulator body 1 is improved, and the contents not described in detail in the specification belong to the existing technology known to the professional technical personnel in the field.

[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A porcelain insulator facilitating monomer replacement, comprising a porcelain insulator body (1), characterized in that: The upper end of the porcelain insulator body (1) is provided with a steel cap (2), and the lower end of the porcelain insulator body (1) is connected with a steel foot (3); The outer side of the steel cap (2) is provided with a fixing cover (4), the side wall of the fixing cover (4) is provided with a notch (11), the upper end of the outer side of the steel cap (2) is provided with a limiting ring (17), the outer side of the limiting ring (17) is sleeved with an adjusting head (5), and the inner side of the adjusting head (5) is provided with a through groove (6); The upper side of the adjusting head (5) is connected with a compression spring (8), the end of the compression spring (8) is connected with a positioning frame (9), the outer side of the positioning frame (9) is connected with a moving rod (7), and the end of the positioning frame (9) is threadedly connected with a fixing nut (10); The fixing cover (4) is provided with a wind-resistant assembly for buffering the porcelain insulator body (1) in the wind.

2. A porcelain insulator facilitating monomer replacement according to claim 1, characterized in that: The wind-resistant assembly comprises a supporting ring (12) fixed to the outer side of the fixing cover (4), the outer edge of the supporting ring (12) is slidably connected with a supporting plate (13), the end of the supporting plate (13) is rotatably connected with a rotating shaft (14), the connecting end of the rotating shaft (14) and the supporting plate (13) is provided with a vortex spring (15), and the end of the rotating shaft (14) is provided with a buffer plate (16).

3. A porcelain insulator facilitating monomer replacement according to claim 1, characterized in that: The adjusting head (5) and the steel cap (2) constitute a rotating structure, and the through groove (6) in the adjusting head (5) and the notch (11) in the side wall of the fixing cover (4) are located in the same horizontal plane.

4. A porcelain insulator facilitating monomer replacement according to claim 1, characterized in that: The moving rod (7) is slidably connected with the positioning frame (9) through the upper end of the adjusting head (5), and the positioning frame (9) has a side "U" shape structure.

5. A porcelain insulator facilitating monomer replacement according to claim 1, characterized in that: The end of the positioning frame (9) penetrates the fixing cover (4), and the opening direction of the positioning frame (9) is the same as the opening direction of the through groove (6).

6. A porcelain insulator facilitating monomer replacement according to claim 2, characterized in that: The buffer plate (16) has an arc structure, the buffer plates (16) are distributed at equal angles about the longitudinal center line of the supporting ring (12), and the buffer plates (16) and the supporting ring (12) constitute a rotating structure through the supporting plate (13).

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