CN214203346U - Detachable lightning arrester - Google Patents
Detachable lightning arrester Download PDFInfo
- Publication number
- CN214203346U CN214203346U CN202120410141.6U CN202120410141U CN214203346U CN 214203346 U CN214203346 U CN 214203346U CN 202120410141 U CN202120410141 U CN 202120410141U CN 214203346 U CN214203346 U CN 214203346U
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- China
- Prior art keywords
- lower contact
- mounting hole
- sleeve
- arrester
- cover
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Abstract
The utility model relates to a can dismantle arrester. The to-be-solved technical problem of the utility model is to provide a can dismantle arrester convenient to installation. The utility model discloses a technical scheme including installing support, load insulation pillar, arrester, disconnector, lower contact cover and lower contact subassembly, lower contact cover with the installing support passes through bolted connection, the cover is equipped with on the arrester lower contact subassembly, lower contact subassembly with lower contact cover electricity is connected, lower contact subassembly includes lower contact, cover link, be equipped with sleeve mounting hole and sleeve opening in the sleeve, the sleeve is close to sleeve open-ended tip is equipped with first mounting hole, the link includes the connection piece and connects section of thick bamboo portion, the connection piece upper end is equipped with the second mounting hole, be equipped with lower contact mounting hole in the connection section of thick bamboo portion. The utility model has the advantages that: the installer can conveniently screw down and install the cable, the connection is more tight and firm, and the safety is high.
Description
Technical Field
The utility model relates to a can dismantle arrester.
Background
The lightning arrester is used for protecting various electrical equipment in an electric power system from being damaged by lightning overvoltage, operation overvoltage and power frequency transient overvoltage impact, can release lightning or can release the operation overvoltage energy of the electric power system at the same time, protects the electrical equipment from being damaged by transient overvoltage, and can cut off follow current without causing short circuit of system grounding. The arrester is usually connected between the live conductor and ground in parallel with the equipment to be protected. When the overvoltage value reaches the specified action voltage, the lightning arrester immediately acts, charges flow through, the overvoltage amplitude is limited, and the equipment is protected from being insulated; after the voltage value is normal, the lightning arrester is rapidly restored to the original state so as to ensure normal power supply of the system.
Current arrester is very complicated usually when the installation, and the installer installation of being not convenient for of the angle of screwing up and the direction of screw a bit leads to wasting time and energy and the screw installation screws up insecure, has the potential safety hazard, and in addition, current arrester can not dismantle, inconvenient maintainer maintains and changes.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the to-be-solved technical problem of the utility model is to provide a can dismantle arrester convenient to installation.
The utility model adopts the technical proposal that the detachable arrester comprises a mounting bracket, a load insulation pillar arranged on the mounting bracket, the arrester, a disconnector arranged at the lower end of the arrester, a lower contact cover and a lower contact component, wherein the lower contact cover is connected with the mounting bracket through a bolt, the arrester is sleeved with the lower contact component, the lower contact component is electrically connected with the lower contact cover, the detachable arrester is characterized in that the lower contact component comprises a lower contact, a sleeve and a connecting frame connecting the sleeve and the lower contact together, a sleeve mounting hole sleeved on the arrester and a sleeve opening communicated with the sleeve mounting hole are arranged in the sleeve, the end part of the sleeve close to the sleeve opening is provided with a first mounting hole, the connecting frame comprises two connecting sheets arranged in parallel and a connecting cylinder part connecting the connecting sheets together, a second mounting hole corresponding to the first mounting hole is formed in the upper end of the connecting sheet, and a lower contact mounting hole for hinging the lower contact is formed in the connecting cylinder part;
the installing support is equipped with the support external portion, the slope of the support external portion extends and forms insulating pillar installation department, the perpendicular downwardly extending of insulating pillar installation department forms the contact cover installation department, be equipped with the third mounting hole on the contact cover installation department, down be equipped with on the contact cover with the fourth mounting hole that third mounting hole corresponds.
And a guide plate used for guiding the lower contact is arranged in the lower contact cover.
And a lower contact positioning block used for positioning the lower contact is arranged on the connecting piece.
The device also comprises a transverse angle iron connected with the upper end of the load insulation strut through a bolt, and a pressure spring and a pull ring connected with the lower surface of the right end of the transverse angle iron.
The disconnector is a hot-melting disconnector, and an alloy fuse piece is arranged between the disconnector and the lower contact.
The utility model discloses can dismantle arrester's advantage lies in: 1, the screw is convenient for installation personnel to screw and install, the connection is tighter and firmer, and the safety is high; 2 the lightning arrester is convenient to detect and maintain, has long service life, and greatly reduces the working strength and time of electric power maintenance personnel.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of the detachable lightning arrester of the present invention;
fig. 2 is a schematic structural view of the sleeve of the present invention;
FIG. 3 is a schematic structural view of the connecting frame of the present invention;
fig. 4 is a schematic structural view of the mounting bracket of the present invention;
fig. 5 is a schematic structural view of the lower contact cover of the present invention.
Detailed Description
As shown in fig. 1-5, the detachable arrester of the present invention comprises a mounting bracket 1, a load insulation pillar 2 disposed on the mounting bracket 1, an arrester 3, a disconnector 4 disposed at a lower end of the arrester 3, a lower contact cover 5 and a lower contact assembly 10, wherein the lower contact cover 5 is connected to the mounting bracket 1 through a bolt, the lower contact assembly 10 is sleeved on the arrester 3, the lower contact assembly 10 is electrically connected to the lower contact cover 5, the lower contact assembly 10 comprises a lower contact 13, a sleeve 11 and a connecting frame 12 connecting the sleeve 11 and the lower contact 13 together, a sleeve mounting hole 15 disposed on the arrester 3 and a sleeve opening 16 communicated with the sleeve mounting hole 15 are disposed in the sleeve 11, a first mounting hole 17 is disposed at an end of the sleeve 11 close to the sleeve opening 16, the link 12 includes two parallel arrangement's connection piece 19 and will connection piece 19 links together connects section of thick bamboo portion 20, 19 upper ends of connection piece be equipped with the corresponding second mounting hole 21 of first mounting hole 17, be equipped with in connecting section of thick bamboo portion 20 and be used for lower contact 13 articulated lower contact mounting hole 22, this structure easy to assemble dismantlement, the convenience detects, maintains the arrester, long service life, the power maintenance personnel's that has significantly reduced working strength and time.
Installing support 1 is equipped with the outer portion 25 of support, the outer portion 25 slope of support extends and forms insulating pillar installation department 26, insulating pillar installation department 26 perpendicular downwardly extending forms contact cover installation department 27, be equipped with third mounting hole 28 on the contact cover installation department 27, be equipped with down on the contact cover 5 with the corresponding fourth mounting hole 29 of third mounting hole 28, this structure is convenient for the installer to carry out the screw-up installation, connects inseparabler firmly more.
A guide plate 30 for guiding the lower contact 13 is provided in the lower contact housing 5.
And a lower contact positioning block 23 used for positioning the lower contact 13 is arranged on the connecting piece 19, so that the positioning is accurate and reliable.
The load insulation support column is characterized by further comprising a transverse angle iron 6 connected with the upper end of the load insulation support column 2 through a bolt, a pressure spring 8 connected with the lower surface of the right end of the transverse angle iron 6 and a pull ring 9.
The disconnector 4 is a hot-melting disconnector, and an alloy fuse 7 is arranged between the disconnector 4 and the lower contact 13.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a can dismantle arrester, includes installing support (1), establishes load insulation support (2), arrester (3) on installing support (1), establish disconnector (4), lower contact housing (5) and lower contact assembly (10) of arrester (3) lower extreme, lower contact housing (5) with installing support (1) passes through bolted connection, the cover is equipped with on arrester (3) lower contact assembly (10), lower contact assembly (10) with contact housing (5) electricity is connected down, its characterized in that: the lower contact assembly (10) comprising a lower contact (13), a sleeve (11) and a connecting frame (12) connecting the sleeve (11) and the lower contact (13) together, a sleeve mounting hole (15) sleeved on the lightning arrester (3) and a sleeve opening (16) communicated with the sleeve mounting hole (15) are arranged in the sleeve (11), the end part of the sleeve (11) close to the sleeve opening (16) is provided with a first mounting hole (17), the connecting frame (12) comprises two connecting sheets (19) which are arranged in parallel and a connecting cylinder part (20) which connects the connecting sheets (19) together, the upper end of the connecting sheet (19) is provided with a second mounting hole (21) corresponding to the first mounting hole (17), a lower contact mounting hole (22) for hinging the lower contact (13) is formed in the connecting barrel part (20);
installing support (1) is equipped with the outer portion of support (25), the outer portion of support (25) slope is extended and is formed insulating pillar installation department (26), insulating pillar installation department (26) perpendicular downwardly extending forms contact housing installation department (27), be equipped with third mounting hole (28) on contact housing installation department (27), be equipped with down on contact housing (5) with fourth mounting hole (29) that third mounting hole (28) are corresponding.
2. The removable surge arrester of claim 1, wherein: and a guide plate (30) used for guiding the lower contact (13) is arranged in the lower contact cover (5).
3. The removable surge arrester of claim 1, wherein: and a lower contact positioning block (23) used for positioning the lower contact (13) is arranged on the connecting piece (19).
4. The removable surge arrester of claim 1, wherein: the load insulation support is characterized by further comprising transverse angle iron (6) connected with the upper end of the load insulation support (2) through bolts, a pressure spring (8) connected with the lower surface of the right end of the transverse angle iron (6) and a pull ring (9).
5. The removable surge arrester of claim 1, wherein: the disconnector (4) is a hot-melting disconnector, and an alloy fuse piece (7) is arranged between the disconnector (4) and the lower contact (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410141.6U CN214203346U (en) | 2021-02-25 | 2021-02-25 | Detachable lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410141.6U CN214203346U (en) | 2021-02-25 | 2021-02-25 | Detachable lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214203346U true CN214203346U (en) | 2021-09-14 |
Family
ID=77639326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120410141.6U Active CN214203346U (en) | 2021-02-25 | 2021-02-25 | Detachable lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214203346U (en) |
-
2021
- 2021-02-25 CN CN202120410141.6U patent/CN214203346U/en active Active
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