CN212516746U

CN212516746U - Zinc oxide lightning arrester

Info

Publication number: CN212516746U
Application number: CN202021586334.9U
Authority: CN
Inventors: 赵培新; 赵小蓓; 赵顺月; 唐术燕; 郑如培; 吴丁丁; 赵金瑞
Original assignee: Western Asia Electric Power Equipment Co ltd
Current assignee: Western Asia Electric Power Equipment Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-02-09
Anticipated expiration: 2030-07-28

Abstract

The utility model relates to an arrester technical field just discloses a zinc oxide arrester, which comprises a fixing plate and i, the mid-mounting on fixed plate top has the dead lever, the alignment jig is installed on the top of dead lever, the mid-mounting on alignment jig top has the connecting rod, the bottom of connecting rod is passed the alignment jig and is connected with the dead lever, the universal joint is installed on the top of connecting rod, the outside cover of universal joint is equipped with rotates the seat, rotate the top of seat and install the backup pad, the mid-mounting on backup pad top has fixed cover, the mounting panel is installed on the top of fixed cover. The utility model discloses a rotate the regulation pole, make the regulation pole rotate in the inside of thread bush to adjust the backup pad for the angle between the fixed plate, satisfy the angle modulation when the installation of arrester body, improve the installation effectiveness of arrester body, reduced the degree of difficulty when the arrester is installed.

Description

Zinc oxide lightning arrester

Technical Field

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

Background

The zinc oxide lightning arrester has good protection performance, and the current flowing through the lightning arrester is extremely small under normal working voltage by utilizing the good nonlinear volt-ampere characteristic of the zinc oxide. When overvoltage acts, the resistance drops sharply, and the energy of the overvoltage is released, so that the protection effect is achieved. The difference between the lightning arrester and the traditional lightning arrester is that the lightning arrester has no discharge gap and plays the role of current leakage and disconnection by utilizing the nonlinear characteristic of zinc oxide.

When the zinc oxide arrester is installed, the zinc oxide arrester is installed on the support through the threaded seats at the two ends of the zinc oxide arrester and is fixed by using the nuts, but the installation angle of the zinc oxide arrester is often required to be adjusted when the zinc oxide arrester is installed. The existing zinc oxide arrester is inconvenient to adjust the angle when being installed, thereby increasing the installation difficulty and greatly reducing the installation efficiency. Therefore, there is a need to provide a zinc oxide lightning arrester to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the existing zinc oxide arrester is inconvenient to adjust the angle when being installed, thereby increasing the difficulty of installation and greatly reducing the installation efficiency.

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

the zinc oxide arrester comprises a fixed plate, wherein a fixed rod is arranged in the middle of the top end of the fixed plate, an adjusting frame is arranged at the top end of the fixed rod, a connecting rod is arranged in the middle of the top end of the adjusting frame, the bottom end of the connecting rod penetrates through the adjusting frame to be connected with the fixed rod, a universal joint is arranged at the top end of the connecting rod, a rotating seat is sleeved outside the universal joint, a supporting plate is arranged at the top end of the rotating seat, a fixed sleeve is arranged in the middle of the top end of the supporting plate, a mounting plate is arranged at the top end of the fixed sleeve, a arrester body penetrating through the mounting plate is in threaded connection with the top of an inner cavity of the fixed sleeve, a conductive block is movably arranged in the fixed sleeve, the bottom end of the arrester body is contacted with the conductive block, a buffer, the bottom end of the electrode seat is connected with the universal joint, and a first spring is sleeved outside the buffer sleeve and at the bottom end of the conductive block.

Preferably, the movable seat that arranges with the annular array mode is installed to the bottom of backup pad, the inside movable mounting of movable seat has the movable block, the inside movable mounting of movable block bottom has the regulation pole.

Preferably, the middle parts of the four sides of the adjusting frame are provided with movable grooves, the threaded sleeves are movably arranged inside the movable grooves, one ends, far away from the movable blocks, of the adjusting rods are movably inserted inside the threaded sleeves, and the adjusting rods are in threaded connection with the threaded sleeves.

Preferably, the conducting rod is movably inserted into the buffer sleeve, a limiting plate is installed at one end, located inside the buffer sleeve, of the conducting rod, and a second spring connected with the limiting plate is installed inside the buffer sleeve.

Preferably, a sealing sleeve is mounted in the middle of the top end of the mounting plate, and the sealing sleeve is movably sleeved on the outer side of the lightning arrester body.

Preferably, the two sides of the fixing plate are vertically provided with fixing holes which are symmetrical front and back.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a mounting panel and fixed cover are installed the arrester body, make the arrester body install the inside remain stable at fixed cover to prevent through the seal cover that the rainwater from entering into the inside short circuit that forms of fixed cover, installing the arrester body into fixed cover inside back, carry out electric connection through cushion collar and electrode holder, thereby when flowing through great electric current in the circuit, with the electric current leading-in to the ground, thereby can reach the protection to distribution equipment.

(2) The utility model discloses a rotate the regulation pole, make the regulation pole rotate in the inside of thread bush to adjust the backup pad for the angle between the fixed plate, satisfy the angle modulation when the installation of arrester body, improve the installation effectiveness of arrester body, reduced the degree of difficulty when the arrester is installed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the adjusting bracket of the present invention;

FIG. 3 is a schematic view of the internal structure of the cushion collar of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention.

In the figure: 1. a fixing plate; 2. fixing the rod; 3. a fixing hole; 4. an adjusting bracket; 5. adjusting a rod; 6. a universal joint; 7. a support plate; 8. a first spring; 9. a conductive block; 10. sealing sleeves; 11. a lightning arrester body; 12. mounting a plate; 13. fixing a sleeve; 14. a buffer sleeve; 15. an electrode holder; 16. a rotating seat; 17. a connecting rod; 18. a movable groove; 19. a threaded sleeve; 20. a second spring; 21. a limiting plate; 22. a conductive rod; 23. a movable seat; 24. a movable block.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being 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.

Referring to fig. 1-4, the zinc oxide arrester includes a fixing plate 1, wherein both sides of the fixing plate 1 are vertically provided with fixing holes 3 which are symmetrical front and back, the whole device can be installed on a distribution line bracket by inserting fixing bolts into the fixing holes 3, a fixing rod 2 is installed in the middle of the top end of the fixing plate 1, an adjusting bracket 4 is installed at the top end of the fixing rod 2, movable grooves 18 are respectively formed in the middle of four sides of the adjusting bracket 4, threaded sleeves 19 are movably installed in the movable grooves 18, one ends of the adjusting rods 5 far away from movable blocks 24 are movably inserted into the threaded sleeves 19, the adjusting rods 5 are in threaded connection with the threaded sleeves 19, the adjusting rods 5 are rotated in the threaded sleeves 19 by screwing the adjusting rods 5, so that the distance between the adjusting rods 5 and the adjusting bracket 4 and the supporting plate 7 is changed, the lengths of the adjusting rods 5 at four corners of the adjusting bracket 4 are different, and a certain, the purpose of adjusting the installation angle of the lightning arrester body 11 is achieved, a connecting rod 17 is installed in the middle of the top end of the adjusting frame 4, the bottom end of the connecting rod 17 penetrates through the adjusting frame 4 to be connected with the fixed rod 2, a universal joint 6 is installed at the top end of the connecting rod 17, a rotating seat 16 is sleeved outside the universal joint 6, the supporting plate 7 can be prevented from falling off when the supporting plate 7 is angularly adjusted through the rotation of the universal joint 6 in the rotating seat 16, a supporting plate 7 is installed at the top end of the rotating seat 16, movable seats 23 arranged in an annular array mode are installed at the bottom end of the supporting plate 7, movable blocks 24 are movably installed in the movable seats 23, adjusting rods 5 are movably installed in the bottoms of the movable blocks 24, the falling-off condition can not occur when the adjusting rods 5 rotate in the movable blocks 24 through the matching of the movable seats 23 and the movable blocks 24, a fixing sleeve 13, the mounting plate 12 is installed at the top end of the fixing sleeve 13, the top of the inner cavity of the fixing sleeve 13 is in threaded connection with the arrester body 11 penetrating through the mounting plate 12, the sealing sleeve 10 is installed in the middle of the top end of the mounting plate 12, the sealing sleeve 10 is movably sleeved on the outer side of the arrester body 11, rainwater can be prevented from entering the fixing sleeve 13 from the joint of the arrester body 11 and the mounting plate 12 through the sealing sleeve 10, so that short circuit in the fixing sleeve 13 is avoided, the conducting block 9 is movably installed in the fixing sleeve 13, the bottom end of the arrester body 11 is in contact with the conducting block 9, the buffer sleeve 14 is installed in the middle of the bottom end of the conducting block 9, the conducting rod 22 is movably inserted in the buffer sleeve 14, the limiting plate 21 is installed at one end of the conducting rod 22 in the buffer sleeve 14, the second spring 20 connected with the limiting plate 21 is installed in the buffer, can make and form the route between arrester body 11 and fixed plate 1, can be when itself through great electric current, with the electric current leading-in to the ground, can form the protection to distribution lines, the mid-mounting of backup pad 7 has electrode holder 15, the 14 activity of cushion collar alternates in electrode holder 15's inside, electrode holder 15 bottom is connected with universal joint 6, the outside of cushion collar 14 and the bottom cover that is located conducting block 9 are equipped with first spring 8, through the impetus of first spring 8 to conducting block 9, can be at the inside back of taking out of fixed cover 13 of arrester body 11, resume conducting block 9 to the initial position.

In the utility model, when the user uses the device, firstly, the whole device is arranged on the distribution line bracket by inserting the fixing bolt into the fixing hole 3, then the arrester body 11 is arranged in the fixing sleeve 13 by screw thread, in the process of arranging the arrester body 11 into the fixing sleeve 13, the bottom end of the arrester body 11 pushes the conducting block 9 downwards, when the buffer sleeve 14 at the bottom end of the conducting block 9 is arranged into the fixing sleeve 13 along with the arrester body 11, the buffer sleeve 14 is gradually inserted into the electrode seat 15 and contacts with the electrode seat, the electric connection between the arrester body 11 and the fixing plate 1 can be formed by the conducting block 9, the buffer sleeve 14, the electrode seat 15, the universal joint 6, the connecting rod 17 and the fixing rod 2, thereby, the larger current passing through the arrester body 11 is guided into the ground by the grounding wire, the protection of the distribution line is formed, each adjusting rod 5 is twisted respectively, the adjusting rods 5 are rotated in the threaded sleeves 19, and the adjusting lengths of the adjusting rods 5 and the corresponding threaded sleeves 19 are different, so that a certain angle can be formed between the supporting plate 7 and the fixing plate 1, and one end of the lightning arrester body 11 is conveniently connected with a cable.

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.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. Zinc oxide arrester, including fixed plate (1), its characterized in that, the mid-mounting on fixed plate (1) top has dead lever (2), alignment jig (4) are installed on the top of dead lever (2), the mid-mounting on alignment jig (4) top has connecting rod (17), the bottom of connecting rod (17) is passed alignment jig (4) and is connected with dead lever (2), universal joint (6) are installed on the top of connecting rod (17), the outside cover of universal joint (6) is equipped with rotation seat (16), backup pad (7) are installed on the top of rotation seat (16), the mid-mounting on backup pad (7) top has fixed cover (13), mounting panel (12) are installed on the top of fixed cover (13), the top threaded connection of fixed cover (13) inner chamber has arrester body (11) that pass mounting panel (12), the inside movable mounting of fixed cover (13) has conducting block (9), the bottom and the conducting block (9) of arrester body (11) contact, the mid-mounting of conducting block (9) bottom has buffer sleeve (14), the mid-mounting of backup pad (7) has electrode holder (15), buffer sleeve (14) activity alternates in the inside of electrode holder (15), electrode holder (15) bottom is connected with universal joint (6), the outside of buffer sleeve (14) and the bottom cover that is located conducting block (9) are equipped with first spring (8).

2. A zinc oxide arrester according to claim 1 characterized in that the bottom end of the supporting plate (7) is mounted with movable seats (23) arranged in an annular array, the movable seats (23) are internally movably mounted with movable blocks (24), and the movable blocks (24) are internally movably mounted with adjusting rods (5).

3. The zinc oxide arrester according to claim 2, characterized in that the middle of the four sides of the adjusting bracket (4) is provided with a movable groove (18), a threaded sleeve (19) is movably mounted inside the movable groove (18), one end of the adjusting rod (5) far away from the movable block (24) is movably inserted inside the threaded sleeve (19), and the adjusting rod (5) is in threaded connection with the threaded sleeve (19).

4. The zinc oxide arrester according to claim 1, characterized in that a conductive rod (22) is movably inserted into the interior of the buffer sleeve (14), a limiting plate (21) is installed at one end of the conductive rod (22) located inside the buffer sleeve (14), and a second spring (20) connected with the limiting plate (21) is installed inside the buffer sleeve (14).

5. The zinc oxide arrester as claimed in claim 1, wherein a sealing sleeve (10) is mounted in the middle of the top end of the mounting plate (12), and the sealing sleeve (10) is movably sleeved on the outer side of the arrester body (11).

6. The zinc oxide arrester as claimed in claim 1, wherein the two sides of the fixed plate (1) are vertically provided with front and back symmetrical fixed holes (3).