CN211208129U - Fixed firm drop-out arrester - Google Patents
Fixed firm drop-out arrester Download PDFInfo
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- CN211208129U CN211208129U CN202020096931.7U CN202020096931U CN211208129U CN 211208129 U CN211208129 U CN 211208129U CN 202020096931 U CN202020096931 U CN 202020096931U CN 211208129 U CN211208129 U CN 211208129U
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Abstract
The utility model discloses a drop-out arrester with firm fixation, which comprises a composite insulating pillar, an upper mounting pillar, an upper connecting piece, an arrester body, a lower connecting piece and a lower mounting pillar, wherein the top of the composite insulating pillar is fixed with the upper mounting pillar through a bolt, and the bottom of the composite insulating pillar is fixed with the lower mounting pillar through a bolt; the utility model has the advantages that: through the designed buffer mechanism, the second spring, the second movable block and the matching of the first spring and the first movable block are utilized to buffer the lightning arrester body, so that the abrasion of the lightning arrester body is reduced, and the service life of the lightning arrester body is prolonged; the inner wall of the thermal explosion type disconnector is provided with an internal thread, the outer wall of the arrester body is provided with an external thread screwed with the internal thread, and the thermal explosion type disconnector and the arrester body are installed through the internal thread and the external thread screwed, so that the thermal explosion type disconnector is fixed and stable, and is convenient to replace under screwing when the thermal explosion type disconnector is damaged.
Description
Technical Field
The utility model belongs to the technical field of drop-out arrester, concretely relates to fixed firm drop-out arrester.
Background
The drop-out (throw-in, detachable) arrester is obtained by modifying the distribution type zinc oxide arrester and then skillfully installing the modified arrester on the drop-out mechanism of the drop-out fuse, so that the arrester can be conveniently detected, maintained and replaced by means of the insulated brake operating lever under the condition of no power failure, thereby not only ensuring the smoothness of the circuit, but also greatly reducing the working strength and time of the power maintenance personnel, and being particularly suitable for the places which are not suitable for power failure, such as post-office communication, airport stations, hospitals, luxury commercial areas and the like. The other properties of the product are the same as those of a distribution type lightning arrester.
The drop-out arrester is additionally provided with the disconnector, when the arrester has an abnormal fault, the disconnector is actuated by using power frequency short-circuit current, the grounding end of the disconnector is automatically disconnected, the arrester element falls down, the operation is quitted, the accident is prevented from further expanding, and maintenance personnel can timely find the disconnector for maintenance and replacement. The falling principle is similar to that of the fuse wire fusing to cause the fuse tube to fall. The thermal explosion type disconnector has the advantages of high action speed, wide action current range and capability of enduring specified current impact and action load.
The existing drop-out arrester with firm fixation has the following defects when in use:
the first fixing ring and the second fixing ring are insufficient for buffering the lightning arrester body.
Disclosure of Invention
An object of the utility model is to provide a fixed firm drop-out arrester to first solid fixed ring, the second fixed ring that provide in solving above-mentioned background art have not enough problem in the aspect of the buffering of arrester body.
In order to achieve the above object, the utility model provides a following technical scheme: a drop-out arrester with firm fixation comprises a composite insulating support, an upper mounting support, an upper connecting piece, an arrester body, a lower connecting piece and a lower mounting support, wherein the top of the composite insulating support is fixed with the upper mounting support through a bolt, the bottom of the composite insulating support is fixed with the lower mounting support through a bolt, the top of the arrester body is fixed with the upper connecting piece through a bolt, the upper connecting piece and the upper mounting support are fixed through bolts, a first fixing ring and a second fixing ring are fixed on the arrester body, one end of the lower connecting piece is connected with the lower mounting support through a bolt, the other end of the lower connecting piece is connected with the first fixing ring and the second fixing ring, the drop-out arrester also comprises a buffer mechanism, the buffer mechanism comprises a second spring, a second fixing groove, a second movable block, a first spring, a first movable block and a first fixing groove, the inner wall of the first fixing ring is provided with the first fixing groove, the one end embedding first fixed slot of first movable block, the other end stretch out first fixed slot and can offset with the arrester body, the one end of first spring and the embedded end face of first movable block are connected, and the tank bottom of the other end and first fixed slot is connected, the second fixed slot has been seted up to the solid fixed ring's of second inner wall, the one end embedding second fixed slot of second movable block, the other end stretch out the second fixed slot and can offset with the arrester body, the one end of second spring and the embedded end face of second movable block are connected, and the tank bottom of the other end and second fixed slot is connected.
Preferably, the end face of the extending end of the first movable block is arc-shaped, and the end face of the extending end of the second movable block is arc-shaped.
Preferably, the end of the first fixing ring is fixed with first protruding blocks which are symmetrically distributed, and the surface of each first protruding block is provided with a screw hole.
Preferably, the end of the second fixing ring is fixed with second protruding blocks which are symmetrically distributed, and the surface of the second protruding block is provided with a screw hole.
Preferably, the arrester body is provided with a thermal explosion type disconnector, the inner wall of the thermal explosion type disconnector is provided with an internal thread, and the outer wall of the arrester body is provided with an external thread screwed with the internal thread.
Preferably, the lightning arrester body is provided with a pull ring, and the top of the upper connecting piece is fixed with a high-voltage side terminal post through a bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through the designed buffer mechanism, the second spring, the second movable block and the matching of the first spring and the first movable block are utilized to buffer the lightning arrester body, so that the abrasion of the lightning arrester body is reduced, and the service life of the lightning arrester body is prolonged;
(2) the inner wall of the thermal explosion type disconnector is provided with an internal thread, the outer wall of the arrester body is provided with an external thread screwed with the internal thread, and the thermal explosion type disconnector and the arrester body are installed through the internal thread and the external thread screwed, so that the thermal explosion type disconnector is fixed and stable, and is convenient to replace under screwing when the thermal explosion type disconnector is damaged.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of the F-region of fig. 1 according to the present invention;
fig. 3 is a schematic view of a connection structure of the first fixing ring and the second fixing ring of the present invention;
in the figure: 1. a composite insulating strut; 2. installing a support column; 3. a high-voltage side terminal post; 4. an upper connecting piece; 5. a pull ring; 6. a lightning arrester body; 7. a first retaining ring; 8. a lower connecting piece; 9. a lower mounting pillar; 10. an internal thread; 11. an external thread; 12. a second bump; 13. a second spring; 14. a second fixing groove; 15. a second movable block; 16. a second retaining ring; 17. a first bump; 18. a first spring; 19. a first movable block; 20. a first fixing groove; 21. a thermal explosion type separator.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a drop-out lightning arrester with firm fixation comprises a composite insulating support 1, an upper mounting support 2, an upper connecting piece 4, a lightning arrester body 6, a lower connecting piece 8 and a lower mounting support 9, wherein the upper mounting support 2 is fixed on the top of the composite insulating support 1 through a bolt, the lower mounting support 9 is fixed on the bottom of the composite insulating support 1 through a bolt, the upper connecting piece 4 is fixed on the top of the lightning arrester body 6 through a bolt, the upper connecting piece 4 and the upper mounting support 2 are fixed through a bolt, the composite insulating support 1 and the lightning arrester body 6 are stably installed through the upper mounting support 2, the upper connecting piece 4, the lower connecting piece 8 and the lower mounting support 9, a first fixing ring 7 and a second fixing ring 16 are fixed on the lightning arrester body 6, one end of the lower connecting piece 8 is connected with the lower mounting support 9 through a bolt, and the other end of the lower connecting piece 8 is connected with the first fixing ring 7 and the second, the lightning arrester also comprises a buffer mechanism, the buffer mechanism comprises a second spring 13, a second fixed groove 14, a second movable block 15, a first spring 18, a first movable block 19 and a first fixed groove 20, the inner wall of the first fixed ring 7 is provided with the first fixed groove 20, one end of the first movable block 19 is embedded into the first fixed groove 20, the other end of the first movable block extends out of the first fixed groove 20 and can be abutted against the lightning arrester body 6, one end of the first spring 18 is connected with the end face of the embedded end of the first movable block 19, the other end of the first spring is connected with the groove bottom of the first fixed groove 20, the inner wall of the second fixed ring 16 is provided with the second fixed groove 14, one end of the second movable block 15 is embedded into the second fixed groove 14, the other end of the second spring extends out of the second fixed groove 14 and can be abutted against the lightning arrester body 6, one end of the second spring 13 is connected with the end face of the embedded end of the second movable, outside the arrester body 6 was arranged in to first solid fixed ring 7 and the solid fixed ring 16 of second, when first solid fixed ring 7 exerted pressure to the arrester body 6, 19 compressed on the first movable block, and compress first spring 18, first spring 18 compressed and reset, drive first movable block 19 and support on the arrester body 6, when the solid fixed ring 16 of second was exerted pressure to the arrester body 6, 15 compressed on the second movable block, and compress second spring 13, second spring 13 compressed and reset, drive 15 supports on the arrester body 6 on the second movable block, the utility model discloses utilize second spring 13, second movable block 15 to and first spring 18, 19's collocation of first movable block, play the buffering to arrester body 6, reduced the wearing and tearing that the arrester body 6 received, prolonged the life of arrester body 6.
In this embodiment, preferably, the end surface of the extending end of the first movable block 19 is arc-shaped, so as to be better matched with the lightning arrester body 6, and the end surface of the extending end of the second movable block 15 is arc-shaped, so as to be better matched with the lightning arrester body 6.
In this embodiment, preferably, the end of the first fixing ring 7 is fixed with first bumps 17 symmetrically distributed, and the surface of the first bump 17 is provided with a screw hole; the end of the second fixing ring 16 is fixed with the second protrusions 12 symmetrically distributed, and the surface of the second protrusions 12 is provided with screw holes, which is helpful for passing through the screw holes penetrating through the first protrusions 17 and the surface of the second protrusions 12.
In this embodiment, it is preferable that a thermal explosion type separator 21 is provided on the arrester body 6, an internal thread 10 is provided on an inner wall of the thermal explosion type separator 21, an external thread 11 screwed with the internal thread 10 is provided on an outer wall of the arrester body 6, the thermal explosion type separator 21 and the arrester body 6 are installed by screwing the internal thread 10 and the external thread 11, so that the thermal explosion type separator 21 is fixed and stable, when the arrester has an abnormal fault, the thermal explosion type separator 21 is operated by using a power frequency short-circuit current, the ground terminal of the thermal explosion type separator 21 is automatically disconnected, the arrester element falls down and quits from operation, thereby preventing the accident from further expanding, and easy maintenance personnel timely find out to maintain and replace, when the thermal explosion type separator 21 is damaged, the thermal explosion type separator 21 can be screwed down to replace.
In this embodiment, preferably, the pull ring 5 is installed on the arrester body 6, when the arrester needs to be overhauled or replaced, the pull ring 5 on the arrester unit can be aimed at by means of the insulating brake operating lever to perform convenient operation under the condition of no power failure, and the top of the upper connecting piece 4 is fixed with the high-voltage side connecting column 3 through a bolt, so that the high-voltage side connecting column 3 is convenient to fasten, and the connection is more convenient.
The utility model discloses a theory of operation and use flow: when the lightning arrester is used, the first fixing ring 7 and the second fixing ring 16 are arranged outside the lightning arrester body 6 and pass through the screw holes communicated with the surfaces of the first bump 17 and the second bump 12 through screws, when the first fixing ring 7 applies pressure to the lightning arrester body 6, the first movable block 19 is compressed and compresses the first spring 18, the first spring 18 is compressed and reset, the first movable block 19 is driven to abut against the lightning arrester body 6, when the second fixing ring 16 applies pressure to the lightning arrester body 6, the second movable block 15 is compressed and compresses the second spring 13, the second spring 13 is compressed and reset, and the second movable block 15 is driven to abut against the lightning arrester body 6, the utility model discloses utilize the collocation of the second spring 13, the second movable block 15, the first spring 18 and the first movable block 19 to play a role in buffering the lightning arrester body 6;
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A drop-out arrester with firm fixation comprises a composite insulating support column (1), an upper mounting support column (2), an upper connecting piece (4), an arrester body (6), a lower connecting piece (8) and a lower mounting support column (9), wherein the top of the composite insulating support column (1) is fixedly provided with the upper mounting support column (2) through bolts, the bottom of the composite insulating support column (1) is fixedly provided with the lower mounting support column (9) through bolts, the top of the arrester body (6) is fixedly provided with the upper connecting piece (4) through bolts, the upper connecting piece (4) and the upper mounting support column (2) are fixedly provided through bolts, the arrester body (6) is fixedly provided with a first fixing ring (7) and a second fixing ring (16), one end of the lower connecting piece (8) is connected with the lower mounting support column (9) through bolts, and the other end of the lower connecting piece is connected with the first fixing ring (7) and the second fixing ring (16), the method is characterized in that: the lightning arrester also comprises a buffer mechanism, the buffer mechanism comprises a second spring (13), a second fixed groove (14), a second movable block (15), a first spring (18), a first movable block (19) and a first fixed groove (20), the inner wall of the first fixed ring (7) is provided with the first fixed groove (20), one end of the first movable block (19) is embedded into the first fixed groove (20), the other end of the first movable block extends out of the first fixed groove (20) and can be abutted against the lightning arrester body (6), one end of the first spring (18) is connected with the end face of the embedded end of the first movable block (19), the other end of the first spring is connected with the groove bottom of the first fixed groove (20), the inner wall of the second fixed ring (16) is provided with the second fixed groove (14), one end of the second movable block (15) is embedded into the second fixed groove (14), and the other end of the second movable block extends out of the second fixed groove (14) and can be abutted against the lightning arrester, one end of the second spring (13) is connected with the end face of the embedded end of the second movable block (15), and the other end of the second spring is connected with the groove bottom of the second fixed groove (14).
2. A drop type arrester as claimed in claim 1, wherein: the end face of the extending end of the first movable block (19) is arc-shaped, and the end face of the extending end of the second movable block (15) is arc-shaped.
3. A drop type arrester as claimed in claim 1, wherein: the end part of the first fixing ring (7) is fixed with first lugs (17) which are symmetrically distributed, and the surface of each first lug (17) is provided with a screw hole.
4. A drop type arrester as claimed in claim 1, wherein: the end part of the second fixing ring (16) is fixed with second lugs (12) which are symmetrically distributed, and the surface of each second lug (12) is provided with a screw hole.
5. A drop type arrester as claimed in claim 1, wherein: the lightning arrester is characterized in that a thermal explosion type separator (21) is arranged on the lightning arrester body (6), an internal thread (10) is formed in the inner wall of the thermal explosion type separator (21), and an external thread (11) screwed with the internal thread (10) is formed in the outer wall of the lightning arrester body (6).
6. A securely fixed drop out arrester as claimed in any one of claims 1-5, wherein: the lightning arrester is characterized in that a pull ring (5) is installed on the lightning arrester body (6), and a high-voltage side connecting post (3) is fixed to the top of the upper connecting piece (4) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020096931.7U CN211208129U (en) | 2020-01-16 | 2020-01-16 | Fixed firm drop-out arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020096931.7U CN211208129U (en) | 2020-01-16 | 2020-01-16 | Fixed firm drop-out arrester |
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| Publication Number | Publication Date |
|---|---|
| CN211208129U true CN211208129U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020096931.7U Active CN211208129U (en) | 2020-01-16 | 2020-01-16 | Fixed firm drop-out arrester |
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| CN (1) | CN211208129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885548A (en) * | 2021-04-29 | 2021-06-01 | 山东广域科技有限责任公司 | Electromagnetic lightning arrester for oil field |
-
2020
- 2020-01-16 CN CN202020096931.7U patent/CN211208129U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885548A (en) * | 2021-04-29 | 2021-06-01 | 山东广域科技有限责任公司 | Electromagnetic lightning arrester for oil field |
| CN112885548B (en) * | 2021-04-29 | 2021-11-05 | 山东广域科技有限责任公司 | Electromagnetic lightning arrester for oil field |
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