CN211265141U

CN211265141U - Glass fiber reinforced plastic type dry-type wall bushing

Info

Publication number: CN211265141U
Application number: CN202020324465.3U
Authority: CN
Inventors: 安泽庆; 张艺潇
Original assignee: Jiangsu Jin'an Electric Co ltd
Current assignee: Jiangsu Jin'an Electric Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-08-14
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a glass steel type dry-type wall bushing, including conducting wire clamp, silicon rubber full skirt, glass steel core and mounting flange, mounting flange is equipped with to glass steel core outside middle part glue, and the silicon rubber full skirt has been put to the cover on the glass steel core of measuring the terminal side, and silicon rubber full skirt bonding glass steel core, mounting flange includes fixed plate and adapter sleeve, and silicon rubber full skirt lower extreme is provided with down the end, and silicon rubber full skirt upper end is provided with the upper end, and the even interval in silicon rubber full skirt middle part sets up big full skirt structure and small umbrella skirt structure, the glass steel core includes interior pipeline and outer pipeline. This glass steel type dry-type wall bushing twines the glass steel on aluminium bar or bar copper, send into the hot oven secondary cure after the preliminary cure, and this process is shorter than glue impregnated paper dry-type wall bushing evacuation and annotates epoxy time a lot, and production cycle is short, adopts silicon rubber full skirt to replace traditional insulator, reduces the cost.

Description

Glass fiber reinforced plastic type dry-type wall bushing

Technical Field

The utility model relates to a dry-type wall bushing field specifically is a glass steel type dry-type wall bushing.

Background

The conventional dry-type wall bushing mainly comprises a polytetrafluoroethylene insulation dry-type wall bushing and an adhesive-impregnated paper dry-type wall bushing, silicone oil leakage occurs if the thermal shrinkage process of the conventional polytetrafluoroethylene insulation dry-type wall bushing cannot be guaranteed, partial discharge occurs in an air cavity of main insulation, the adhesive-impregnated paper dry-type wall bushing rises along with the voltage level, the process of vacuumizing and injecting epoxy resin has long required time and long period, cannot meet the requirement of electric power overhaul and replacement period, and is high in price.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the problem that the background art provided, provide a glass steel type dry-type wall bushing.

In order to achieve the above object, the utility model provides a following technical scheme: a glass fiber reinforced plastic type dry-type wall bushing comprises a conductive wire clamp, a silicon rubber umbrella skirt, a glass fiber reinforced plastic core body and a fixing flange, wherein the fixing flange is glued at the middle part of the outer side of the glass fiber reinforced plastic core body, a measuring terminal is arranged on the fixing flange, the silicon rubber umbrella skirt is sleeved on the glass fiber reinforced plastic core body on the side surface of the measuring terminal, the silicon rubber umbrella skirt is bonded with the glass fiber reinforced plastic core body, a pressure equalizing ball is arranged on the glass fiber reinforced plastic core body at the end of the silicon rubber umbrella skirt, and the conductive wire clamp is arranged at the middle part;

the fixing flange comprises a fixing plate and a connecting sleeve, the middle of the connecting sleeve is fixedly provided with the fixing plate, the middle parts of two ends of the connecting sleeve are provided with inserting ports, the lower end of the silicon rubber shed is provided with a lower end, the upper end of the silicon rubber shed is provided with an upper end, the middle part of the silicon rubber shed is uniformly provided with a large shed structure and a small shed structure at intervals, and the glass steel core body comprises an inner pipeline and an outer pipeline.

Preferably, the upper end connector arranged at the upper end of the silicon rubber shed is spliced and fixed in the pressure equalizing ball, and the lower end connector arranged at the lower end of the silicon rubber shed is spliced and fixed in the splicing opening formed in the fixing flange.

Preferably, the silicon rubber umbrella skirts are sleeved on the glass fiber reinforced plastic core bodies at two ends of the fixing flange fixed in the middle of the glass fiber reinforced plastic core body, are of a circular truncated cone structure, and are made of silicon rubber.

Preferably, the inner pipeline arranged inside the glass fiber reinforced plastic core body is one of an aluminum rod or a copper rod, and the outer pipeline arranged outside the inner pipeline is wound glass fiber reinforced plastic and sent into a hot oven for secondary curing.

Preferably, both ends of the connecting sleeve arranged on the fixed flange are end structures with enlarged diameters, and the fixed plate arranged in the middle of the connecting sleeve is perpendicular to the connecting sleeve.

Preferably, the pressure equalizing balls and the fixing flange are made of galvanized stainless steel, and the connecting sleeve and the pressure equalizing balls in the middle of the fixing flange are of cylindrical structures.

Compared with the prior art, the beneficial effects of the utility model are that: this glass steel type dry-type wall bushing twines the glass steel on aluminium bar or bar copper, send into hot oven secondary cure after preliminary curing, and this process is shorter than gluing and soaks paper dry-type wall bushing evacuation and annotates epoxy time a lot of, and the solidification is accomplished, and production cycle is short, adopts the silicon rubber full skirt to replace traditional insulator, does not have oil, and no porcelain reduces the cost.

Drawings

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

FIG. 2 is a schematic view of a mounting flange of the present invention;

FIG. 3 is a schematic view of a silicone rubber umbrella skirt of the present invention;

fig. 4 is a schematic diagram of the glass fiber reinforced plastic core body of the structure of the present invention.

In the figure: 1. a conductive wire clamp; 2. a silicon rubber umbrella skirt; 3. a glass fiber reinforced plastic core; 4. a fixed flange; 5. a measurement terminal; 6. a pressure equalizing ball; 7. an interface; 8. a fixing plate; 9. connecting a sleeve; 10. a large umbrella skirt structure; 11. a small umbrella skirt structure; 12. an upper end head; 13. a lower end head; 14. an inner conduit; 15. an outer pipe.

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. 1-4, the present invention provides a technical solution: a glass fiber reinforced plastic type dry-type wall bushing comprises a conductive wire clamp 1, a silicon rubber shed 2, a glass fiber reinforced plastic core 3 and a fixing flange 4, wherein the fixing flange 4 is glued in the middle of the outer side of the glass fiber reinforced plastic core 3, a measuring terminal 5 is arranged on the fixing flange 4, the silicon rubber shed 2 is sleeved on the glass fiber reinforced plastic core 3 on the side surface of the measuring terminal 5, the silicon rubber shed 2 is bonded with the glass fiber reinforced plastic core 3, a pressure equalizing ball 6 is arranged on the glass fiber reinforced plastic core 3 at the end of the silicon rubber shed 2, and the conductive wire clamp 1 is arranged in the middle of the outer side of the pressure equalizing ball 6; the fixing flange 4 comprises a fixing plate 8 and a connecting sleeve 9, the fixing plate 8 is fixed in the middle of the connecting sleeve 9, the middle parts of two ends of the connecting sleeve 9 are provided with inserting ports 7, the lower end of the silicon rubber umbrella skirt 2 is provided with a lower end 13, the upper end of the silicon rubber umbrella skirt 2 is provided with an upper end 12, the middle part of the silicon rubber umbrella skirt 2 is uniformly provided with large umbrella skirt structures 10 and small umbrella skirt structures 11 at intervals, and the glass fiber reinforced plastic core 3 comprises an inner pipeline 14 and an outer pipeline 15; firstly, winding glass fiber reinforced plastic on an aluminum rod or a copper rod, wherein the glass fiber reinforced plastic is glass fiber impregnated with epoxy resin, sending the glass fiber reinforced plastic into a hot oven for secondary curing after primary curing, the process is much shorter than the time for vacuuming and injecting the epoxy resin by a glue impregnated paper dry-type wall bushing, the production period is effectively shortened, the production cost is reduced, a glass fiber reinforced plastic core body 3 is processed by a lathe after the curing is finished, then a fixing flange 4 is glued, a silicon rubber umbrella skirt 2 is bonded, a pressure equalizing ball 6 is assembled, and finally a conductive wire clamp 1 is assembled, the manufacturing of a product is finished, when in use, a fixing plate 8 is arranged in the middle of the fixing flange 4 arranged in the middle of the glass fiber reinforced plastic core body 3, a connecting sleeve 9 arranged in the middle is close to the thermal expansion coefficient of the glass fiber reinforced plastic core body 3, silicon rubber umbrella skirts 2 made of silicon rubber are arranged on two sides, the protection thickness of silicon rubber full skirt 2 is increased, the insulating effect is improved, the safety performance is improved, and a plurality of groups of mounting holes are formed around the fixing plate 8, so that the installation is convenient.

All overlap on the glass steel core 3 at the fixed 4 both ends of mounting flange in glass steel core 3 middle part and have put silicon rubber full skirt 2, and silicon rubber full skirt 2 is the round platform structure, silicon rubber full skirt 2 constitutes for the silicon rubber material simultaneously, 2 fine glass steel core 3 of protecting of silicon rubber full skirt, and it is convenient to change, reduce cost of maintenance, the upper end 12 grafting that 2 upper ends of silicon rubber full skirt set up is fixed at the inside bonding of equalizer ball 6, and the lower end 13 grafting of 2 lower extreme settings of silicon rubber full skirt is fixed at the inside bonding of 7 of interface of seting up of mounting flange 4, make silicon rubber full skirt 2 and mounting flange 4 and equalizer ball between the sealed effectual of being connected.

The inside inner tube 14 that sets up of glass steel core 3 is one of them of aluminium bar or bar copper, and outer pipeline 15 that the inner tube 14 outside set up sends into hot oven secondary cure for winding glass steel, it is short to glue the dry-type wall bushing production cycle of impregnated paper, reduction in production cost, 9 both ends of the adapter sleeve that sets up on mounting flange 4 are the end structure of diameter grow, and the fixed plate 8 that 9 middle parts of adapter sleeve set up is perpendicular with adapter sleeve 9, ball 6 and mounting flange 4 constitute for the galvanized stainless steel material, and adapter sleeve 9 and the ball 6 of equalizing at mounting flange 4 middle part are the cylinder structure, improve electric field distribution, avoid the field intensity at individual position or point too big.

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

1. The utility model provides a glass steel type dry-type wall bushing, includes conducting wire clamp (1), silicon rubber full skirt (2), glass steel core (3) and mounting flange (4), its characterized in that: a fixing flange (4) is glued in the middle of the outer side of the glass fiber reinforced plastic core body (3), a measuring terminal (5) is arranged on the fixing flange (4), a silicon rubber umbrella skirt (2) is sleeved on the glass fiber reinforced plastic core body (3) on the side surface of the measuring terminal (5), the silicon rubber umbrella skirt (2) is bonded with the glass fiber reinforced plastic core body (3), a pressure equalizing ball (6) is arranged on the glass fiber reinforced plastic core body (3) at the end of the silicon rubber umbrella skirt (2), and a conductive wire clamp (1) is arranged in the middle of the outer side of the pressure equalizing ball (6);

the fixing flange (4) comprises a fixing plate (8) and a connecting sleeve (9), the fixing plate (8) is fixed in the middle of the connecting sleeve (9), inserting ports (7) are formed in the middle of two ends of the connecting sleeve (9), a lower end (13) is arranged at the lower end of the silicon rubber umbrella skirt (2), an upper end (12) is arranged at the upper end of the silicon rubber umbrella skirt (2), a large umbrella skirt structure (10) and a small umbrella skirt structure (11) are uniformly arranged in the middle of the silicon rubber umbrella skirt (2) at intervals, and the glass fiber reinforced plastic core body (3) comprises an inner pipeline (14) and an outer pipeline (15).

2. The glass fiber reinforced plastic type drywall bushing of claim 1, wherein: an upper end (12) arranged at the upper end of the silicon rubber umbrella skirt (2) is spliced and fixed inside the pressure equalizing ball (6), and a lower end (13) arranged at the lower end of the silicon rubber umbrella skirt (2) is spliced and fixed inside a splicing opening (7) formed inside the fixing flange (4).

3. The glass fiber reinforced plastic type drywall bushing of claim 1, wherein: the silicon rubber umbrella skirt (2) is sleeved on the glass fiber reinforced plastic core bodies (3) at two ends of the fixing flange (4) fixed to the middle of the glass fiber reinforced plastic core body (3), the silicon rubber umbrella skirt (2) is of a circular truncated cone structure, and meanwhile the silicon rubber umbrella skirt (2) is made of silicon rubber.

4. The glass fiber reinforced plastic type drywall bushing of claim 1, wherein: an inner pipeline (14) arranged inside the glass fiber reinforced plastic core body (3) is one of an aluminum rod or a copper rod, and an outer pipeline (15) arranged outside the inner pipeline (14) is used for conveying wound glass fiber reinforced plastic into a hot oven for secondary curing.

5. The glass fiber reinforced plastic type drywall bushing of claim 1, wherein: the two ends of a connecting sleeve (9) arranged on the fixed flange (4) are end structures with enlarged diameters, and a fixed plate (8) arranged in the middle of the connecting sleeve (9) is perpendicular to the connecting sleeve (9).

6. The glass fiber reinforced plastic type drywall bushing of claim 1, wherein: the pressure equalizing ball (6) and the fixing flange (4) are made of galvanized stainless steel, and the connecting sleeve (9) in the middle of the fixing flange (4) and the pressure equalizing ball (6) are of cylindrical structures.