CN214012652U - Injection-molded integrated lightning arrester - Google Patents
Injection-molded integrated lightning arrester Download PDFInfo
- Publication number
- CN214012652U CN214012652U CN202023236701.5U CN202023236701U CN214012652U CN 214012652 U CN214012652 U CN 214012652U CN 202023236701 U CN202023236701 U CN 202023236701U CN 214012652 U CN214012652 U CN 214012652U
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- Prior art keywords
- stud
- electrode
- silicon rubber
- core
- alkali
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- 229920002379 silicone rubber Polymers 0.000 claims abstract description 33
- 239000011521 glass Substances 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 239000004033 plastic Substances 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 13
- 239000004411 aluminium Substances 0.000 claims abstract description 9
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 7
- 238000001746 injection moulding Methods 0.000 claims abstract description 6
- 230000010354 integration Effects 0.000 claims abstract description 5
- 238000002788 crimping Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Thermistors And Varistors (AREA)
Abstract
The utility model belongs to the technical field of the arrester and specifically relates to an integration arrester of moulding plastics, including the core, the silicon rubber overcoat, go up stud, lower stud and binding post, the core includes by last electrode of last to arranging down, the resistance card, the aluminium pig, porcelain pad and bottom electrode, it is connected with last electrode to go up stud, lower stud is connected with the bottom electrode, binding post is connected with the aluminium pig, the outside alkali-free glass silk ribbon of parcel of core, the silicon rubber overcoat suit is in the outside of alkali-free glass silk ribbon, silicon rubber overcoat injection moulding, and go up stud before moulding plastics and install on last electrode, lower stud installs on the bottom electrode. The utility model discloses an alkali-free glass ribbon replaces SMC layer parcel core, and the proof strength also improves product moisture resistance simultaneously to install respectively with lower stud earlier on the electrode that corresponds with the core formation an organic whole, carry out the operation of moulding plastics of silicon rubber overcoat again, not only improve production efficiency, also further improve arrester sealing performance.
Description
Technical Field
The utility model belongs to the technical field of the arrester and specifically relates to an integration arrester of moulding plastics.
Background
The lightning arrester product is suitable for places such as transmission lines, transformer substations, industrial and mining enterprises, has large market demand, but has excellent sealing performance and the like. In the prior art, during the production of the lightning arrester, a vulcanizing machine is used for carrying out one-time compression molding on mixed silicon rubber on the outer side of a core to form a rubber sheath, so that a semi-finished lightning arrester is formed, then the semi-finished lightning arrester is sent into a drying box for secondary vulcanization, then an upper wiring bolt, a lower wiring bolt and an end cover are installed, although the production mode can meet the design requirement of the lightning arrester, the production mode is limited by objective factors such as fussy equipment and working procedures, the production efficiency is relatively low, the operation strength is high, the production cost is high, and in addition, the defects of thin sealing and the like exist when the wiring bolts are assembled.
Along with the technical development, the insulating overcoat of silicon rubber has been can adopt once injection moulding technique to make the production process simplify, but among the prior art, the outside of arrester core is the parcel SMC layer usually, as disclosed in the chinese utility model patent that the publication number is CN207441373U, an arrester suitable for 35kV and above voltage class, this arrester sets up the SMC layer of one shot die-casting shaping in the core outside, it is seamless with the resistance card, and the insulating overcoat of silicon rubber in the SMC layer outside changes once injection moulding, when simplifying the process, the product whole sealing performance is excellent and intensity is high. However, SMC has certain moisture absorption characteristics, once moisture enters into the SMC, the moisture can penetrate into the zinc oxide resistor disc to cause product damage, and in addition, in order to guarantee mechanical strength, the thickness of SMC layer is thick, which usually causes the thickness of outer silicon rubber to be thin, and then causes the lightning arrester to have poor weather resistance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integration arrester of moulding plastics utilizes the alkali-free glass ribbon that has soaked the resin to replace the SMC layer to wrap up in the core, guarantees intensity and also improves product humidity resistance simultaneously to install earlier stud and lower stud respectively on the electrode that corresponds and form an organic whole with the core during production, carry out the operation of moulding plastics of silicon rubber overcoat again, not only the process is simplified, has improved production efficiency, also further improves arrester sealing performance.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an integration arrester of moulding plastics, includes core, silicon rubber overcoat, goes up stud, lower stud and binding post, the core includes by last electrode, resistance card, aluminium pig, porcelain pad and the bottom electrode of last to arranging in proper order down, go up stud with go up electrode connection, lower stud with the bottom electrode is connected, binding post with the aluminium pig is connected, the outside parcel alkali-free glass silk ribbon of core, silicon rubber overcoat suit in the alkali-free glass silk ribbon outside, silicon rubber overcoat injection moulding, and before moulding plastics go up stud install in go up on the electrode, lower stud install in on the bottom electrode.
The outer circumferential surface of the upper electrode is provided with a first groove, the outer circumferential surface of the lower electrode is provided with a second groove, an upper bulge is formed at the upper end of the alkali-free glass ribbon and filled in the first groove, and a lower bulge is formed at the lower end of the alkali-free glass ribbon and filled in the second groove.
Umbrella skirts with staggered sizes are arranged on the outer side of the silicon rubber outer sleeve.
Go up stud and a clamp plate subassembly and be connected, the clamp plate subassembly includes top board, holding down plate and bolt nut subassembly, wherein the holding down plate downside be equipped with the sleeve pipe with go up stud threaded connection, the top board locate the holding down plate upside and through the bolt nut subassembly with the holding down plate is connected, top board and holding down plate adjacent side are equipped with the holding notch of crimping wiring.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses a non-alkali glass ribbon that has soaked resin replaces SMC layer parcel core, has guaranteed that intensity has also improved product humidity resistance simultaneously to compare in SMC layer structure, the utility model discloses the core diameter diminishes, can make silicon rubber overcoat thickness increase, ensures that the product is sealed and weatherability.
2. The utility model discloses after wrapping up the alkali-free glass silk ribbon with the core, install stud and lower stud respectively on the electrode that corresponds earlier, make and go up stud, lower stud and core and form an organic whole earlier, then carry out the operation of moulding plastics of silicon rubber overcoat again, can make silicon rubber overcoat and last stud and down no gap between the stud like this, improve arrester sealing performance.
3. The utility model discloses an go up stud and be connected with a clamp plate assembly, top board and holding down plate among the clamp plate assembly pass through the bolt and nut subassembly and are connected and the crimping wiring, and it is more convenient to install, does not damage the wire, and this kind of mounting means arrester can not only play the effect of arrester itself restriction overvoltage moreover, can also play post insulator's effect.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
fig. 2 is the schematic view of the structure of the high-pressure end pressing plate of the present invention.
The device comprises a base, a lower stud bolt, a lower pressing plate, a connecting terminal, a porcelain pad, a lower electrode, a bolt and nut assembly, a silicon rubber jacket, an upper electrode, an alkali-free glass ribbon, an upper bulge, a lower bulge, a resistor disc, an aluminum block, a connecting terminal, a porcelain pad, a lower electrode, a lower stud bolt, an upper pressing plate, a bolt and nut assembly and a lower pressing plate, wherein the upper stud bolt is 1, the silicon rubber jacket is 2, the upper electrode is 3, the alkali-free glass ribbon is 4, the upper bulge is 401, the lower bulge is 402, the resistor disc is 5, the aluminum block is 6, the connecting terminal is 7, the porcelain pad is 8, the lower electrode is 9, the lower stud bolt is 10, the upper pressing plate is 11, the bolt and nut assembly is 12, and the lower pressing plate is 13.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a core, silicon rubber overcoat 2, alkali-free glass ribbon 4, go up stud 1, lower stud 10 and binding post 7, wherein the core includes by last electrode 3, resistance card 5, aluminium pig 6, porcelain pad 8 and the bottom electrode 9 of arranging in proper order from top to bottom, resin was soaked in the outside parcel of core alkali-free glass ribbon 4, and silicon rubber overcoat 2 suit is in the alkali-free glass ribbon 4 outside, goes up stud 1 lower extreme and passes silicon rubber overcoat 2 and alkali-free glass ribbon 4 after-fixing in go up on the electrode 3, lower stud 10 upper end is passed silicon rubber overcoat 2 and alkali-free glass ribbon 4 after-fixing in on the bottom electrode 9, binding post 7 one end is passed behind silicon rubber overcoat 2 and alkali-free glass ribbon 4 with aluminium pig 6 links firmly.
As shown in fig. 1, a first groove is arranged on the outer circumferential surface of the upper electrode 3, a second groove is arranged on the outer circumferential surface of the lower electrode 9, the alkali-free glass ribbon 4 is wound on the core body, and the alkali-free glass ribbon is wound in the first groove and the second groove for a plurality of turns respectively, so that an upper protrusion 401 formed at the upper end of the alkali-free glass ribbon 4 is filled in the first groove, and a lower protrusion 402 formed at the lower end is filled in the second groove.
As shown in fig. 1, the silicone rubber jacket 2 is formed by one-step injection molding, which is a technique known in the art, and umbrella skirts with staggered sizes are arranged outside the silicone rubber jacket 2. Before moulding plastics in addition, the utility model discloses install earlier stud 1 and lower stud 9 respectively on the electrode that corresponds, make it become as an organic whole earlier with the core, then carry out the overcoat operation of moulding plastics, can make silicon rubber overcoat 2 and last stud 1 and lower stud 9 between seamless like this, improve arrester sealing performance.
The utility model discloses a high-pressure side can adopt the clamp plate structure to realize the wiring, as shown in FIG. 2, it is connected with a clamp plate subassembly to go up stud 1, clamp plate subassembly includes top board 11, holding down plate 13 and bolt nut subassembly 12, wherein holding down plate 13 downside be equipped with the sleeve pipe with go up 1 threaded connection of stud, top board 11 locate 13 upsides of holding down plate and through bolt nut subassembly 12 with holding down plate 13 connects, top board 11 and 13 adjacent sides of holding down plate are equipped with the holding notch and are used for the crimping wiring.
The utility model discloses a theory of operation does:
the utility model discloses inside last electrode 3, resistance card 5 and bottom electrode 9 establish ties in proper order, and whole sealed parcels in alkali-free glass ribbon 4, go up stud 1 and be connected with last electrode 3, lower stud 10 is connected with bottom electrode 9, and binding post 7 links firmly with aluminium pig 6 of downside and is drawn forth by one side and is connected with the ground wire.
The utility model discloses change former SMC suppression core's mode into parcel and soaked resin's alkali-free glass ribbon 4, its concrete production process as follows: the manufacturing method comprises the steps of firstly, sequentially superposing an upper electrode 3, a resistor disc 5, an aluminum block 6, a ceramic pad 8 and a lower electrode 9 to form a core body, then winding and wrapping an alkali-free glass ribbon 4 soaked with resin, and winding several circles of alkali-free glass ribbon 4 when winding the alkali-free glass ribbon 4 to a first groove on the outer circumferential surface of the upper electrode 3 and a second groove on the outer circumferential surface of the lower electrode 9, so that an upper bulge 401 and a lower bulge 402 are formed to fill corresponding grooves, thereby not only achieving the fastening connection effect, but also enhancing the sealing and moisture-proof effects, and after winding, sending the core body into a drying box to be dried, cured and strengthened in strength.
The utility model discloses the core is owing to adopt 4 parcels of alkali-free glass ribbon of soaking the resin, when guaranteeing arrester intensity, the core water absorption rate is littleer than the SMC material, can avoid moisture infiltration, compares in SMC layer structure in addition, the utility model discloses the core diameter diminishes, can make 2 thickness of silicon rubber overcoat increase, ensures that the product is sealed and weatherability.
After 4 parcels of alkali-free glass ribbon are accomplished, the utility model discloses install earlier on stud 1 and lower stud 9 respectively on the electrode that corresponds, make it become as an organic whole earlier with the core, then carry out the operation of moulding plastics of silicon rubber overcoat 2 again, can make between silicon rubber overcoat 2 and the last stud 1 and between the lower stud 9 seamless like this, improve arrester sealing performance. After all the operations are finished, side bolt holes communicated with the aluminum block 6 are finally machined, and the wiring terminals 7 are inserted into the side bolt holes to finish the installation.
In addition as shown in fig. 2, the utility model discloses an go up stud 1 and a clamp plate assembly and be connected, top board 11 among the clamp plate assembly passes through bolt and nut subassembly 12 with lower clamp plate 13 and is connected and the crimping wiring, and it is more convenient to install, does not damage the wire, and this kind of mounting means arrester can not only play the effect that arrester itself restricted overvoltage moreover, still can play post insulator's effect.
Claims (4)
1. The utility model provides an integration arrester of moulding plastics, includes core, silicon rubber overcoat, goes up stud, lower stud and binding post, the core includes by last electrode, resistance card, aluminium pig, porcelain pad and the bottom electrode of arranging in proper order under to, go up stud with go up the electrode connection, lower stud with the bottom electrode is connected, binding post with the aluminium pig is connected, its characterized in that: the core body is wrapped by an alkali-free glass ribbon (4), the silicon rubber outer sleeve (2) is sleeved on the outer side of the alkali-free glass ribbon (4), the silicon rubber outer sleeve (2) is molded through injection, and an upper stud bolt (1) and a lower stud bolt (10) of the upper electrode (3) are installed on the lower electrode (9) before injection molding.
2. The injection-molded integrated arrester according to claim 1, characterized in that: the outer circumferential surface of the upper electrode (3) is provided with a first groove, the outer circumferential surface of the lower electrode (9) is provided with a second groove, an upper bulge (401) is formed at the upper end of the alkali-free glass ribbon (4) and filled in the first groove, and a lower bulge (402) is formed at the lower end and filled in the second groove.
3. The injection-molded integrated arrester according to claim 1, characterized in that: umbrella skirts with staggered sizes are arranged on the outer side of the silicon rubber outer sleeve (2).
4. The injection-molded integrated arrester according to claim 1, characterized in that: go up stud (1) and a clamp plate subassembly and be connected, the clamp plate subassembly includes top board (11), holding down plate (13) and bolt nut subassembly (12), wherein holding down plate (13) downside be equipped with the sleeve pipe with go up stud (1) threaded connection, top board (11) locate holding down plate (13) upside and through bolt nut subassembly (12) with holding down plate (13) are connected, top board (11) and holding notch that holding down plate (13) adjacent side was equipped with the crimping wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023236701.5U CN214012652U (en) | 2020-12-29 | 2020-12-29 | Injection-molded integrated lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023236701.5U CN214012652U (en) | 2020-12-29 | 2020-12-29 | Injection-molded integrated lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214012652U true CN214012652U (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023236701.5U Active CN214012652U (en) | 2020-12-29 | 2020-12-29 | Injection-molded integrated lightning arrester |
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| Country | Link |
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| CN (1) | CN214012652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113744943A (en) * | 2021-09-02 | 2021-12-03 | 厦门Abb避雷器有限公司 | Core body structure of composite outer sleeve lightning arrester and composite outer sleeve lightning arrester |
-
2020
- 2020-12-29 CN CN202023236701.5U patent/CN214012652U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113744943A (en) * | 2021-09-02 | 2021-12-03 | 厦门Abb避雷器有限公司 | Core body structure of composite outer sleeve lightning arrester and composite outer sleeve lightning arrester |
| CN113744943B (en) * | 2021-09-02 | 2023-01-24 | 厦门Abb避雷器有限公司 | Core body structure of composite outer sleeve lightning arrester and composite outer sleeve lightning arrester |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Injection molded integrated lightning arrester Effective date of registration: 20231204 Granted publication date: 20210820 Pledgee: Dalian Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: DALIAN NORTH ARRESTER CO.,LTD. Registration number: Y2023980069108 |