CN209962793U - Anti-spalling porcelain insulator - Google Patents

Anti-spalling porcelain insulator Download PDF

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Publication number
CN209962793U
CN209962793U CN201921065280.9U CN201921065280U CN209962793U CN 209962793 U CN209962793 U CN 209962793U CN 201921065280 U CN201921065280 U CN 201921065280U CN 209962793 U CN209962793 U CN 209962793U
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CN
China
Prior art keywords
metal cap
porcelain insulator
ring
insulator
spalling
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CN201921065280.9U
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Chinese (zh)
Inventor
刘明忠
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PINGXIANG HUATONG ELECTRIC PORCELAIN MANUFACTURING Co Ltd
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PINGXIANG HUATONG ELECTRIC PORCELAIN MANUFACTURING Co Ltd
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Abstract

The utility model discloses a prevent spalling porcelain insulator relates to insulator technical field, including porcelain insulator, porcelain insulator's top is provided with the little umbrella of multiunit, the bottom of little umbrella is provided with big umbrella, porcelain insulator's both ends all are provided with the heat preservation ring, the inside on heat preservation ring top is provided with the metal cap. The utility model discloses a ceramic insulation head inserts in metal cap and the metal cap down, the fixed cover of heat preservation ring that will have the sealing washer is at last metal cap and metal cap surface down, pass through the draw-in groove with the spacing ring at last and fix the outside at the heat preservation ring, layer and ceramic insulation head are pour to the cement to the rubber pad and the dope layer wraps up, can avoid the concrete to meet the cold expansion that takes place after absorbing water, cause the too big emergence spalling of metal cap and lower metal cap atress, utilize heat preservation ring and sealing washer can increase heat insulating ability and waterproof nature simultaneously, the spacing ring that the heat preservation ring outside set up is better to last metal cap and lower metal cap's protection effect.

Description

Anti-spalling porcelain insulator
Technical Field
The utility model relates to an insulator technical field specifically is a prevent spalling porcelain insulator.
Background
The insulator is a special insulating control part, can play an important role in overhead transmission lines, can withstand voltage and mechanical stress action devices installed between conductors of different electric potentials or between the conductors and a grounding member, has various types and different shapes, and consists of two parts, namely an insulating part and a connecting hardware fitting, although the structures and the appearances of different types of insulators are greatly different.
The metal cap and the ceramic insulation head of link about current porcelain insulator adopt to pour cement and fix, and cement in case meet the low temperature and wet under the condition, can expand easily, and the use of metal cap can directly be influenced to the bulging force, can prop at any time and explode the metal cap, and the insulator is fixed insecure to the cable, and needs the multiunit bolt to fix the cable when fixing, complex operation, inconvenient people's use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the anti-spalling porcelain insulator aims to solve the problems that the insulator can be easily expanded under the low-temperature damp condition, and a metal cap and the insulator can be burst at any time to fix a cable insecurely.
In order to achieve the above object, the utility model provides a following technical scheme: a crack-resistant porcelain insulator comprises a porcelain insulator body, wherein a plurality of groups of small umbrellas are arranged at the top of the porcelain insulator body, a large umbrella is arranged at the bottom of each small umbrella, heat-insulating rings are arranged at the two ends of the porcelain insulator body, an upper metal cap is arranged inside the top end of each heat-insulating ring, a fixing hole is formed in the top of each upper metal cap, a lower metal cap is arranged at the bottom end of each heat-insulating ring, a first fixing block is arranged on one side of the bottom of the lower metal cap, a second fixing block is arranged on the side, far away from the first fixing block, of the bottom of the lower metal cap, through holes are formed in the bottoms of the first fixing block and the second fixing block, bolts are arranged inside the two groups of through holes, a plurality of groups of limiting rings are arranged outside the two ends of each heat-insulating ring, ceramic insulating heads penetrating through the insides of the upper metal cap and the lower metal, two sets of the outside on cement pouring layer all is provided with the rubber pad, and two sets of the outside of rubber pad all is provided with the dope layer.
Preferably, the two groups of the heat preservation rings are provided with sealing rings at the ends far away from the porcelain insulator, and the heat preservation rings are made of polystyrene resin materials.
Preferably, a pin shaft is arranged at one end, close to the first fixing block and the second fixing block, of the lower metal cap, and the first fixing block is rotatably connected with the second fixing block through the pin shaft.
Preferably, one side of bolt is provided with the nut, the bolt can be dismantled with the nut through the screw thread and be connected, first fixed block passes through-hole and bolt and can dismantle with the second fixed block and be connected.
Preferably, the position that the outside of the heat preservation ring is close to the spacing ring is provided with a clamping groove, and the two sets of spacing rings are fixedly connected with the heat preservation ring through the clamping grooves.
Preferably, the small umbrella and the large umbrella are uniformly arranged on the outer side of the porcelain insulator.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model fixes the heat preservation ring with the sealing ring on the outer surface of the upper metal cap and the lower metal cap by inserting the ceramic insulation head into the upper metal cap and the lower metal cap, and finally fixes the limit ring on the outer side of the heat preservation ring by the clamping groove, the cement pouring layer and the ceramic insulation head are wrapped by the rubber pad and the coating layer, thereby avoiding the expansion of the concrete after the concrete is cooled and absorbed, causing the expansion crack of the upper metal cap and the lower metal cap when the stress is too large, simultaneously, the heat preservation performance and the water resistance can be increased by utilizing the heat preservation ring and the sealing ring, the protection effect of the limit ring arranged on the outer side of the heat preservation ring on the upper metal cap and the lower metal cap is better, the bottom of the lower metal cap is provided with the pin shaft, the first fixing block and the second fixing block can realize the mutual rotation by the pin shaft, thereby the cable can be fixed, then the bolt passes through the through, fix first fixed block and second fixed block to press from both sides tightly the cable, press from both sides tightly more stable firm to the cable, prevent that the cable from droing.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the present invention A;
fig. 3 is a schematic view of the structure of the stop collar of the present invention.
In the figure: 1. a porcelain insulator; 2. a small umbrella; 3. a large umbrella; 4. an upper metal cap; 5. a fixing hole; 6. a heat preservation ring; 7. a first fixed block; 8. a second fixed block; 9. a through hole; 10. a bolt; 11. a limiting ring; 12. A ceramic insulator head; 13. a rubber pad; 14. a coating layer; 15. a lower metal cap; 16. and (5) pouring a cement layer.
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. 1-3, a spalling-proof porcelain insulator comprises a porcelain insulator 1, a plurality of groups of small umbrellas 2 are arranged at the top of the porcelain insulator 1, a large umbrella 3 is arranged at the bottom of each small umbrella 2, heat-insulating rings 6 are arranged at both ends of the porcelain insulator 1, an upper metal cap 4 is arranged inside the top end of each heat-insulating ring 6, a fixing hole 5 is arranged at the top of each upper metal cap 4, a lower metal cap 15 is arranged at the bottom end of each heat-insulating ring 6, a first fixing block 7 is arranged at one side of the bottom of each lower metal cap 15, a second fixing block 8 is arranged at one side of the bottom of each lower metal cap 15 far away from the first fixing block 7, through holes 9 are arranged at the bottoms of the first fixing block 7 and the second fixing block 8, bolts 10 are arranged inside the two groups of through holes 9, a plurality of limiting rings 11 are arranged outside both ends of each heat-insulating ring 6, ceramic insulating heads, the outer sides of the two groups of ceramic insulation heads 12 are provided with cement pouring layers 16, the outer sides of the two groups of cement pouring layers 16 are provided with rubber pads 13, and the outer sides of the two groups of rubber pads 13 are provided with coating layers 14.
Please refer to fig. 1 and fig. 2, the two sets of heat preservation rings 6 are provided with sealing rings at the ends far away from the porcelain insulator 1, and the heat preservation rings 6 are made of polystyrene resin material, so as to be convenient for heat preservation of the cement pouring layer 16 inside the upper metal cap 4 and the lower metal cap 15 and have a certain waterproof effect.
Please refer to fig. 1, a pin is disposed at one end of the lower metal cap 15 close to the first fixing block 7 and the second fixing block 8, and the first fixing block 7 is rotatably connected to the second fixing block 8 through the pin, so that the first fixing block 7 and the second fixing block 8 can rotate relative to each other, and the cable can be conveniently fixed.
Please refer to fig. 1, a nut is disposed on one side of the bolt 10, the bolt 10 is detachably connected to the nut through a thread, and the first fixing block 7 is detachably connected to the second fixing block 8 through the through hole 9 and the bolt 10, so that the insulator has a better fixing effect on the cable.
Please refer to fig. 1 and fig. 3, a position of the outer side of the thermal insulation ring 6 near the position of the limit ring 11 is provided with a slot, and the two sets of limit rings 11 are fixedly connected with the thermal insulation ring 6 through the slots to fix the limit ring 11 and prevent the limit ring 11 from falling off.
Referring to fig. 1, small umbrellas 2 and large umbrellas 3 are uniformly arranged outside the porcelain insulator 1.
The working principle is as follows: before use, coating 14 on the inner walls of mounting holes in an upper metal cap 4 and a lower metal cap 15 with latex materials, sleeving a rubber pad 13 on a ceramic insulating head 12, pouring concrete into a cement pouring layer 16, inserting the ceramic insulating head 12 into the upper metal cap 4 and the lower metal cap 15, fixing a heat-insulating ring 6 with a sealing ring on the outer surfaces of the upper metal cap 4 and the lower metal cap 15, fixing a limiting ring 11 on the outer side of the heat-insulating ring 6 through a clamping groove, wrapping the cement pouring layer 16 and the ceramic insulating head 12 with the rubber pad 13 and the coating 14, avoiding the expansion of the concrete after cold water absorption, which causes the expansion crack of the upper metal cap 4 and the lower metal cap 15 due to overlarge stress, and increasing the heat-insulating property and the water resistance by using the heat-insulating ring 6 and the sealing ring, wherein the limiting ring 11 arranged on the outer side of the heat-insulating ring 6 has a better protection effect on the upper metal cap 4 and the lower metal cap 15, during the use, fix the insulator through last metal cap 4 inside fixed orifices 5, the bottom of lower metal cap 15 is provided with the round pin axle, mutual rotation can be realized through the round pin axle to first fixed block 7 and second fixed block 8, thereby can fix the cable, pass through the inside through-hole 9 of first fixed block 7 and second fixed block with bolt 10 again, mutually support of bolt 10 and nut, fix first fixed block 7 and second fixed block 8, thereby press from both sides tightly the cable, it is more stable firm to press from both sides tightly the cable, prevent that the cable from droing.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides an anti-spalling porcelain insulator, includes porcelain insulator (1), its characterized in that: the novel ceramic insulator is characterized in that a plurality of groups of small umbrellas (2) are arranged at the top of the ceramic insulator (1), a large umbrella (3) is arranged at the bottom of each small umbrella (2), heat-insulating rings (6) are arranged at the two ends of the ceramic insulator (1), an upper metal cap (4) is arranged inside the top end of each heat-insulating ring (6), a fixing hole (5) is formed in the top of each upper metal cap (4), a lower metal cap (15) is arranged at the bottom end of each heat-insulating ring (6), a first fixing block (7) is arranged on one side of the bottom of each lower metal cap (15), a second fixing block (8) is arranged on one side of the bottom of each lower metal cap (15) far away from the first fixing block (7), through holes (9) are formed in the bottoms of the first fixing blocks (7) and the second fixing blocks (8), bolts (10) are arranged inside the two groups of the through holes (9), a plurality, the ceramic insulator is characterized in that ceramic insulating heads (12) penetrating through the metal caps (4) and the metal caps (15) are arranged at two ends of the ceramic insulator (1), the ceramic insulating heads (12) are arranged in two groups, cement pouring layers (16) are arranged on the outer sides of the ceramic insulating heads (12), two groups of cement pouring layers (16) are arranged on the outer sides of the cement pouring layers (13), and coating layers (14) are arranged on the outer sides of the rubber pads (13).
2. The anti-spalling porcelain insulator of claim 1, wherein: and two groups of sealing rings are arranged at one ends, far away from the porcelain insulator (1), of the inner parts of the heat-insulating rings (6), and the heat-insulating rings (6) are made of polystyrene resin materials.
3. The anti-spalling porcelain insulator of claim 1, wherein: and a pin shaft is arranged at one end of the lower metal cap (15) close to the first fixing block (7) and the second fixing block (8), and the first fixing block (7) is rotatably connected with the second fixing block (8) through the pin shaft.
4. The anti-spalling porcelain insulator of claim 1, wherein: one side of bolt (10) is provided with the nut, bolt (10) can be dismantled with the nut through the screw thread and be connected, first fixed block (7) can be dismantled with second fixed block (8) through-hole (9) and bolt (10) and be connected.
5. The anti-spalling porcelain insulator of claim 1, wherein: the position department that the heat preservation ring (6) outside is close to spacing ring (11) is provided with the draw-in groove, and is two sets of spacing ring (11) pass through draw-in groove and heat preservation ring (6) fixed connection.
6. The anti-spalling porcelain insulator of claim 1, wherein: the small umbrella (2) and the large umbrella (3) are uniformly arranged on the outer side of the porcelain insulator (1).
CN201921065280.9U 2019-07-09 2019-07-09 Anti-spalling porcelain insulator Active CN209962793U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921065280.9U CN209962793U (en) 2019-07-09 2019-07-09 Anti-spalling porcelain insulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921065280.9U CN209962793U (en) 2019-07-09 2019-07-09 Anti-spalling porcelain insulator

Publications (1)

Publication Number Publication Date
CN209962793U true CN209962793U (en) 2020-01-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921065280.9U Active CN209962793U (en) 2019-07-09 2019-07-09 Anti-spalling porcelain insulator

Country Status (1)

Country Link
CN (1) CN209962793U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112331427A (en) * 2020-11-05 2021-02-05 江西平高电器有限公司 Waterproof electric power insulator and processing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112331427A (en) * 2020-11-05 2021-02-05 江西平高电器有限公司 Waterproof electric power insulator and processing method thereof
CN112331427B (en) * 2020-11-05 2022-03-29 江西平高电器有限公司 Waterproof electric power insulator and processing method thereof

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Legal Events

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

Denomination of utility model: A type of anti expansion and crack porcelain insulator

Effective date of registration: 20231123

Granted publication date: 20200117

Pledgee: Postal Savings Bank of China Limited Luxi County sub branch

Pledgor: PINGXIANG HUATONG ELECTRIC PORCELAIN MANUFACTURING Co.,Ltd.

Registration number: Y2023980067341

PE01 Entry into force of the registration of the contract for pledge of patent right