CN213817193U

CN213817193U - 10KV zinc oxide lightning arrester

Info

Publication number: CN213817193U
Application number: CN202022758595.0U
Authority: CN
Inventors: 袁大川
Original assignee: Hubei Fengtai Heyi Power Technology Co ltd
Current assignee: Hubei Fengtai Heyi Power Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-27
Anticipated expiration: 2030-11-25

Abstract

The utility model belongs to the field of lightning arresters, in particular to a 10KV zinc oxide lightning arrester, aiming at the problems of complicated dismounting operation, inconvenient replacement and maintenance and poor practicability of the prior zinc oxide lightning arrester, the utility model provides a proposal which comprises a bottom plate, wherein, two side walls of the top wall of the bottom plate are both fixed with vertical support columns, the top ends of the two support columns are fixedly connected with a horizontal support plate, a lightning arrester body is arranged right above the support plate, the outer ring at the bottom of the lightning arrester body is fixedly sleeved with a mounting seat, the middle position of the support plate is rotationally connected with a vertical rotating shaft through a bearing, the top walls of the support plates at two sides of the rotating shaft are both fixed with vertical fixed plates, the bottom of the fixed plates is rotationally connected with a horizontal lead screw through a bearing, one end of the two lead screws which are close to each other is both fixedly connected with a second bevel gear, the top end of the rotating shaft is fixedly connected with a first bevel gear, the utility model relates to a novelty, the dismouting of being convenient for, the convenience is changed and is maintained, and the practicality is higher, and the stability of installation is higher.

Description

10KV zinc oxide lightning arrester

Technical Field

The utility model relates to a lightning arrester technical field especially relates to a 10KV zinc oxide lightning arrester.

Background

The zinc oxide arrester is a new type arrester developed in the seventies, and is mainly formed from zinc oxide piezoresistor. Each varistor has a certain switching voltage (called varistor voltage) when manufactured, the varistor value is very large under normal working voltage (namely, smaller than the varistor voltage) and is equivalent to an insulation state, but under the action of impulse voltage (larger than the varistor voltage), the varistor is broken down in a low value and is equivalent to a short circuit state. However, the varistor can recover the insulation state after being struck; when the voltage higher than the voltage-sensitive voltage is removed, it recovers the high-impedance state. Therefore, after the zinc oxide lightning arrester is installed on a power line, when lightning strikes, the high voltage of lightning waves breaks down the piezoresistor, lightning current flows into the ground through the piezoresistor, and the voltage on the power line can be controlled within a safe range, so that the safety of electrical equipment is protected.

However, the existing zinc oxide arrester is complex in disassembly and assembly operation, inconvenient to replace and maintain and poor in practicability, and therefore a 10KV zinc oxide arrester is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of 10KV zinc oxide arrester has solved the dismouting complex operation of current zinc oxide arrester, inconvenient change and maintenance, the relatively poor problem of practicality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a10 KV zinc oxide arrester comprises a bottom plate, wherein two side walls of the top wall of the bottom plate are respectively fixedly provided with a vertical support column, the top ends of the two support columns are fixedly connected with a horizontal support plate, an arrester body is installed right above the support plate, the bottom outer ring of the arrester body is fixedly sleeved with a mounting seat, the middle position of the support plate is rotatably connected with a vertical rotating shaft through a bearing, the top walls of the support plates positioned at two sides of the rotating shaft are respectively fixedly provided with a vertical fixing plate, the bottom of the fixing plate is rotatably connected with a horizontal screw rod through a bearing, one end of each two screw rods close to each other is respectively fixedly connected with a second bevel gear, the top end of the rotating shaft is fixedly connected with a first bevel gear, the two second bevel gears are respectively meshed with the first bevel gear, and the side walls of the two fixing plates far away from each other are respectively fixedly connected with a horizontal fixing rod, the outer lane clearance fit of dead lever has vertically driving plate, two the driving plate is screw fit connection respectively two the outer lane of lead screw, all set up the first spacing groove of rectangle on the lateral wall of the both sides of mount pad, two all be fixed with the stopper of rectangle on the top lateral wall that the driving plate is close to each other, two the stopper is clearance fit respectively two the inside of first spacing groove is located arrester body both sides all seted up the second spacing groove on the diapire of mount pad, the top fixedly connected with vertically gag lever post of fixed plate, two the top of gag lever post is clearance fit respectively two the inside of second spacing groove.

Preferably, two the interval of the one end that the dead lever was kept away from each other is the same with two the interval of the one end that the lead screw was kept away from each other, two the limiting plate has all been welded to the one end that the lead screw was kept away from each other.

Preferably, two the screw thread direction of lead screw is the same, the bottom of pivot extends to the below of backup pad and welds and have the handle, anti-skidding line has been seted up to the outer lane of handle.

Preferably, movable holes are formed in four corners of the bottom plate, and fixing bolts are movably sleeved in the movable holes.

Preferably, the side walls of the two driving plates, which are close to each other, are respectively in contact with the side walls on both sides of the mounting seat.

Preferably, the top of arrester body is equipped with binding post, the bottom of arrester body is equipped with lower binding post, and lower binding post is located the top of second bevel gear.

The utility model has the advantages that:

1. through the cooperation of bottom plate, support column, backup pad, pivot, fixed plate, lead screw, gag lever post, first bevel gear, second bevel gear, handle, dead lever, driving plate, mount pad, first spacing groove, second spacing groove, stopper and gag lever post, the dismouting operation that can effectual simplification zinc oxide arrester, convenient change and maintenance, the practicality is higher.

2. Through the cooperation of backup pad, fixed plate, gag lever post, second spacing groove and mount pad, support the mount pad through the gag lever post, can effectual promotion zinc oxide arrester's the stability of installation.

The utility model relates to a novelty, the dismouting of being convenient for, the convenience is changed and is maintained, and the practicality is higher, and the stability of installation is higher.

Drawings

Fig. 1 is a schematic structural view of a 10KV zinc oxide arrester provided by the present invention;

fig. 2 is a cross-sectional view of a 10KV zinc oxide arrester provided by the utility model;

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

fig. 4 is a partially enlarged view of a portion B in fig. 2.

Reference numbers in the figures: 1. a base plate; 2. a support plate; 3. a rotating shaft; 4. a handle; 5. a fixing plate; 6. a support pillar; 7. a screw rod; 8. fixing the rod; 9. a limiting rod; 10. a drive plate; 11. a mounting seat; 12. a lightning arrester body; 13. a first bevel gear; 14. a second bevel gear; 15. a limiting block; 16. a first limit groove; 17. a second limit groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a 10KV zinc oxide arrester comprises a bottom plate 1, wherein two side walls of a top wall of the bottom plate 1 are respectively fixed with a vertical support column 6, the top ends of the two support columns 6 are fixedly connected with a horizontal support plate 2, an arrester body 12 is installed right above the support plate 2, a mounting seat 11 is fixedly sleeved on a bottom outer ring of the arrester body 12, a vertical rotating shaft 3 is rotatably connected to the middle position of the support plate 2 through a bearing, vertical fixing plates 5 are respectively fixed on the top walls of the support plates 2 positioned at two sides of the rotating shaft 3, the bottom of the fixing plate 5 is rotatably connected with a horizontal screw rod 7 through a bearing, one ends of the two screw rods 7 close to each other are respectively fixedly connected with a second bevel gear 14, the top end of the rotating shaft 3 is fixedly connected with a first bevel gear 13, the two second bevel gears 14 are respectively engaged with the first bevel gear 13, and the side walls of the two fixing plates 5 far away from each other are respectively fixedly connected with a horizontal fixing rod 8, the outer lane clearance fit of dead lever 8 has vertically driving plate 10, two driving plates 10 are the outer lane of screw fit connection at two lead screws 7 respectively, the first spacing groove 16 of rectangle has all been seted up on the lateral wall of the both sides of mount pad 11, all be fixed with the stopper 15 of rectangle on the top lateral wall that two driving plates 10 are close to each other, two stopper 15 are clearance fit in the inside of two first spacing grooves 16 respectively, second spacing groove 17 has all been seted up on the diapire of the mount pad 11 that is located arrester body 12 both sides, the top fixedly connected with vertically gag lever post 9 of fixed plate 5, the top of two gag lever posts 9 is clearance fit in the inside of two second spacing grooves 17 respectively.

The distance between the ends, far away from each other, of the two fixing rods 8 is the same as the distance between the ends, far away from each other, of the two lead screws 7, limiting plates are welded to the ends, far away from each other, of the two lead screws 7, and therefore the transmission plate 10 can be prevented from being separated from the lead screws 7 and the fixing rods 8.

The thread directions of the two screw rods 7 are the same, the bottom end of the rotating shaft 3 extends to the lower portion of the supporting plate 2 and is welded with the handle 4, the outer ring of the handle 4 is provided with anti-skid grains, and the rotating shaft 3 can be conveniently rotated.

The movable holes are formed in the four corners of the bottom plate 1, fixing bolts are movably sleeved in the movable holes, and the bottom plate 1 can be fixed on a support of a telegraph pole through the fixing bolts.

The side walls of the two transmission plates 10 close to each other are in contact with the side walls of the two sides of the mounting seat 11, respectively, so that the stability of the mounting seat 11 can be ensured.

The top of arrester body 12 is equipped with binding post, and the bottom of arrester body 12 is equipped with lower binding post, and lower binding post is located the top of second bevel gear 14, can prevent that lower binding post from contacting with second bevel gear 14.

Example (b): when the zinc oxide arrester needs to be removed, the rotating shaft 3 can be driven to rotate by rotating the handle 4, the two screw rods 7 can be driven to rotate by the transmission of the first bevel gear 13 and the two second bevel gears 14, the two screw rods 7 can be driven to rotate, the two transmission plates 10 can be far away from each other by the spiral transmission of the two screw rods 7 and the two transmission plates 10 respectively, the two limit blocks 15 can be driven to be far away from each other until the two limit blocks 15 are completely separated from the two first limit grooves 16, then the mounting seat 11 is lifted upwards, so that the limit rods 9 are completely separated from the second limit grooves 17, the removal operation of the zinc oxide arrester can be completed, when the zinc oxide arrester needs to be installed, the mounting seat 11 is firstly pressed downwards from the upper part of the limit rods 9, so that the top ends of the two limit rods 9 are respectively inserted into the two second limit grooves 17, then the rotating shaft 3 can be driven to rotate by rotating the handle 4, and the transmission of the first bevel gear 13 and the two second bevel gears 14, the two screw rods 7 can be driven to rotate, the two transmission plates 10 can be close to each other through the screw transmission of the two screw rods 7 and the two transmission plates 10 respectively, the two limiting blocks 15 can be driven to be close to each other until the two limiting blocks 15 are inserted into the two first limiting grooves 16 respectively, the installation operation of the zinc oxide arrester can be completed, the disassembly and assembly operation is simple, and the replacement and the maintenance are convenient; support mount pad 11 through gag lever post 9, can effectual promotion mount pad 11 stability to the effectual stability of promoting the installation of zinc oxide arrester.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The 10KV zinc oxide arrester comprises a bottom plate (1) and is characterized in that two vertical supporting columns (6) are fixed on two side walls of the top wall of the bottom plate (1), a horizontal supporting plate (2) is fixedly connected to the top ends of the two supporting columns (6), an arrester body (12) is installed right above the supporting plate (2), a mounting seat (11) is fixedly sleeved on the outer ring of the bottom of the arrester body (12), a vertical rotating shaft (3) is rotatably connected to the middle position of the supporting plate (2) through a bearing, vertical fixing plates (5) are fixed on the top walls of the supporting plate (2) and located on two sides of the rotating shaft (3), a horizontal lead screw (7) is rotatably connected to the bottom of each fixing plate (5) through a bearing, and a second bevel gear (14) is fixedly connected to one end, close to each other, of the two lead screws (7), the top end of the rotating shaft (3) is fixedly connected with a first bevel gear (13), two second bevel gears (14) are respectively meshed with the first bevel gears (13), the side walls, far away from each other, of the two fixing plates (5) are respectively fixedly connected with a horizontal fixing rod (8), the outer rings of the fixing rods (8) are in clearance fit with vertical transmission plates (10), the two transmission plates (10) are respectively in spiral fit with the outer rings of the two lead screws (7), the side walls on the two sides of the mounting seat (11) are respectively provided with a rectangular first limiting groove (16), the side walls, near the top of the two transmission plates (10), are respectively fixed with a rectangular limiting block (15), the two limiting blocks (15) are respectively in clearance fit with the inside of the two first limiting grooves (16), and the bottom walls, located on the two sides of the lightning arrester body (12), of the mounting seat (11) are respectively provided with a second limiting groove (17), the top end of the fixed plate (5) is fixedly connected with a vertical limiting rod (9), and the top ends of the two limiting rods (9) are respectively in clearance fit with the insides of the two second limiting grooves (17).

2. A 10KV zinc oxide arrester according to claim 1, characterized in that the distance between the ends of the two fixing rods (8) far away from each other is the same as the distance between the ends of the two lead screws (7) far away from each other, and a limiting plate is welded to each end of the two lead screws (7) far away from each other.

3. The 10KV zinc oxide arrester according to claim 1, wherein the two lead screws (7) have the same thread direction, the bottom end of the rotating shaft (3) extends to the lower part of the supporting plate (2) and is welded with a handle (4), and the outer ring of the handle (4) is provided with anti-skid threads.

4. The 10KV zinc oxide arrester according to claim 1, wherein four corners of the bottom plate (1) are provided with movable holes, and fixing bolts are movably sleeved in the movable holes.

5. A 10KV zinc oxide arrester according to claim 1, characterized in that the side walls of the two transmission plates (10) close to each other are in contact with the side walls of both sides of the mounting seat (11), respectively.

6. A 10KV zinc oxide arrester according to claim 1, characterized in that the top end of the arrester body (12) is provided with an upper terminal, and the bottom end of the arrester body (12) is provided with a lower terminal, which is located above the second bevel gear (14).