CN2891233Y

CN2891233Y - Reinforced composite blade type support insulator

Info

Publication number: CN2891233Y
Application number: CN 200620033980
Authority: CN
Inventors: 冯长富
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-25
Filing date: 2006-04-25
Publication date: 2007-04-18
Anticipated expiration: 2016-04-25

Abstract

The utility model provides a strengthen type blade gate composite post insulator, comprising a ceramic corn rod, a silicon rubber skirt sleeve and a silicon rubber skirt at the circumference of the ceramic corn rod and connected with the rod, and a flange metal tool at two ends of the ceramic corn rod and connected with the rod. The invention is characterized in that the silicon rubber skirt sleeve is integrated with the silicon rubber skirt. The utility model has better anti-pollution property, high voltage resistance, high anti-bend strength, and low weight, while the invention can reduce the interface between the inside separated elements and avoid foam, eliminate non-uniform local electric field, simplify process and reduce cost.

Description

Reinforced disconnecting link composite post insulator

Technical field:

The utility model is relevant with the anti-fouling type composite post insulator in the electric power system converting equipment territory, and is special relevant with reinforced disconnecting link composite post insulator.

Background technology:

Post insulator is the visual plant of power plant and electricity grid substation.In decades, the post insulator that uses in domestic power plant and the electricity grid substation all is the post insulator of full pottery, and operating experience for many years proves, the poor performance that the resistant of ceramic insulator is dodged.After middle nineteen nineties, the develop rapidly of industry, a large amount of dust and the filthy gas of discharging such as cement plant, steel mill, chemical plant has polluted environment, and the safe operation of electrical network in serious threat.Because of ceramic insulator surface contamination constantly increases the weight of, the maintenance workload of annual cleaning insulator increases greatly.So not only increased the operating cost of electrical network, but also can not stop to cause unexpected power outage because of porcelain insulator surface generation pollution flashover.Because ceramic insulator is subjected to the restriction of production technology and material, be difficult to produce the product that can satisfy the required large distance of electrical production.In addition, also because of ceramic surface does not have hydrophobicity,, also must adhere to " clean, meet and stop and must sweep every year " even produced the insulator of large distance.The non-maintaining post insulator of innovating a kind of " mechanical resistance bending strength height, antifouling property is good " is the power equipment that China both the central and local governments power department at different levels is expected.

The patent No. is in 00226500.1, discloses a kind of employing high strength china rod insulation core body of deciding, and with compound one deck silicone rubber jacket on the porcelain axle of static pressure technology, the silicon rubber full skirt with high-temperature molding sticks together by sulfuration binding agent and silicone rubber jacket again.Anti-pollution characteristic is good, and the bending strength height is in light weight, but owing between silicone rubber jacket and silicon rubber full skirt binder interface is arranged, easily produce bubble in process of production between the interface, easily form no even internal field, influence properties of product, meanwhile, silicone rubber jacket and silicon rubber full skirt are through post forming, and technology is complicated, take a lot of work, time-consuming, improved cost of manufacture, and poor safety performance.

The utility model content:

The purpose of this utility model is in order to overcome above deficiency, provide a kind of anti-anti-pollution characteristic good, resistant lightning piezoelectricity, the bending strength height, in light weight, can reduce the interface between the inner chorista, guarantee that the problem of non-uniform of internal field is eliminated, safety in conjunction with good, no bubble in the interface in process of production, simplify technology, the reinforced disconnecting link composite post insulator that reduces cost.

The purpose of this utility model is achieved in that

The reinforced disconnecting link composite post insulator of the utility model, comprise the porcelain core rod, be positioned at silicon rubber full skirt cover, silicon rubber full skirt that porcelain core rod periphery is attached thereto, be positioned at the flange gold utensil that porcelain core rod two ends are attached thereto, it is characterized in that silicon rubber full skirt cover is an integral body with the silicon rubber full skirt.

Silicon rubber full skirt in the utility model cover and silicon rubber full skirt are under the condition of high temperature crimping, and global formation once on the porcelain core rod has reduced the interface between the inner chorista, guaranteed that each interface is in conjunction with good, no bubble in the production process, eliminate the problem of non-uniform of internal field, safety has been simplified technology, reduced cost, the machinery bending strength is good, and antifouling ability is strong, and the resistant lightning is pressed high, non-maintaining, in light weight.

Description of drawings:

Fig. 1 is the utility model structural representation.

Fig. 2 is the A-A cutaway view among Fig. 1.

Embodiment:

Referring to Fig. 1, Fig. 2, porcelain core rod 1 be through after the moulding at high temperature sintering form, silicon rubber full skirt cover 2 and silicon rubber full skirt 3 be HTHP property global formation next time in mould.The silicon rubber full skirt of global formation cover 2 and silicon rubber full skirt 3 be enclosed within on the porcelain core rod and by the agent of lotus root connection closely be bonded on the porcelain core rod.The flange gold utensil 4 that is positioned at porcelain core rod upper and lower end holds tightly together with the porcelain core rod.

Press the design of 110KV system voltage post insulator height, if working voltage 220V, 330KV, 500KV and when above, then be same as the rising of system's working voltage, this post insulator only needs joint number is increased configuration by the multiple of 110KV length, as for joint with save between then two end flanges gold utensils are connected with bolt, be configured to adapt to the reinforced disconnecting link composite post insulator of working voltage.

The reinforced disconnecting link composite post insulator of the utility model adopts the silicon rubber full skirt to replace ceramic full skirt, utilizes distinctive hydrophobic of silicon rubber and migration of hydrophobicity, and having overcome ceramic surface does not have hydrophobicity, does not more have the weakness of migration of hydrophobicity.And silicon rubber can be by different filthy zones, produce that to satisfy filth be 2 grades, 3 grades, 4 grades ... creepage distance, the performance that the anti-soil of this composite post insulator is dodged satisfies the requirement of safe operation of power system fully.The electric insulation arrangement plug is the main body that insulator bears the mechanical resistance crooking ability, can satisfy the mechanical shock load in the electricity grid substation operating process fully.Simultaneously, original porcelain full skirt is substituted with the silicon rubber full skirt, alleviated the weight of conventional column insulator greatly.

Claims

1, reinforced disconnecting link composite post insulator, comprise the porcelain core rod, be positioned at silicon rubber full skirt cover, silicon rubber full skirt that porcelain core rod periphery is attached thereto, be positioned at the flange gold utensil that porcelain core rod two ends are attached thereto, it is characterized in that silicon rubber full skirt cover is an integral body with the silicon rubber full skirt.