CN207124080U - EMUs top insulation pillar - Google Patents

Abstract

It the utility model is related to a kind of special roof insulating supporting equipment of EMUs, specifically a kind of EMUs include upper end cover, bottom end cover, lower insulation sleeve, insulator and upper insulation sleeve with top insulation pillar, the upper and lower end of wherein insulator is connected to upper end cover and bottom end cover, the outside of upper end cover and bottom end cover is arranged with insulation sleeve and lower insulation sleeve respectively, bottom end cover is connected with the ground connection pedestal on EMUs roof, and upper end cover is connected with high-voltage conducting wires.The utility model has the advantages that corrosion resistance strong, high mechanical strength, easy for installation, rational in infrastructure, can out of doors adverse circumstances it is long-term use of.

Description

EMUs top insulation pillar

Technical field

A kind of EMUs top insulation support equipment is the utility model is related to, specifically a kind of EMUs roof Insulation column.

Background technology

EMUs are high-pressure side and ground (car body) with the support equipment that top insulation pillar is high-tension line on EMUs Between insulating supporting, the quality of insulation column will directly affect the traffic safety of EMUs, once insulation column damage will danger And equipment and personal safety.Current existing insulation column insulating properties are low, and hydrophobicity, corrosion resistance are poor, in the presence of a harsh environment Long-term work surface voltage endurance capability can drastically decline；And mechanical performance is relatively low, maintenance period is short, holds when temperature change is violent Damage easy to crack.

Utility model content

In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of EMUs top insulation pillar, to solve The shortcomings such as existing EMUs insulation column hydrophobicity is weak, corrosion-resistant, mechanical performance is low, compressive resistance is low.

To achieve these goals, the utility model uses following technical scheme：

A kind of EMUs top insulation pillar, including upper end cover, bottom end cover, lower insulation sleeve, insulator and upper insulation sleeve, The upper and lower end of wherein insulator is connected to upper end cover and bottom end cover, and the outside of the upper end cover and bottom end cover is arranged respectively There are upper insulation sleeve and lower insulation sleeve, the bottom end cover is connected with the ground connection pedestal on EMUs roof, the upper end cover and high pressure Wire is connected.

The insulator is integrally formed by poured with epoxy resin, including pour mass, small full skirt and big full skirt, wherein pour mass Outer surface axially spaced be arranged alternately small full skirt and big full skirt.

The both ends of the pour mass are provided with the buffering attachment structure being connected respectively with upper end cover and bottom end cover.

The buffering attachment structure includes metal insert and bumper ring, and wherein metal insert is multiple and respectively along week To the end for being embedded at the pour mass, screwed hole, the outboard end of the metal insert are provided with the metal insert vertically Portion is provided with bumper ring.

The metal insert is copper insert, and the bumper ring uses silicone rubber material.

The height of the pour mass is 450mm, and total height is after the both ends installation upper end cover and bottom end cover of the pour mass 505mm。

The upper end cover and bottom end cover use metal material.

The upper end cover and bottom end cover are made of white steel.

The lower insulation sleeve and upper insulation sleeve are silicone rubber sleeve.

The inner side of the insulator is provided with gauze screen.

The utility model has the following advantages that：

It is 1. the utility model high mechanical strength, easy for installation：Insulation column can bear higher horizontal mechanical bend and break Bad load, so as to ensure that product has higher mechanical strength and ability of anti-deformation；Each dimensioned precision of product is high, and product has Versatility, maintaining are convenient and simple.

2. the utility model insulating properties are high, partial discharge is low：Because full skirt sets reasonable, increase surface creepage distance, and it is interior Portion's electric fields uniform, outside white steel piece surface have silicon rubber insulation, so this product insulating properties are high, discharge capacity is relatively low.

3. the utility model hydrophobicity is good, corrosion-and high-temp-resistant：Temperature, Stress control are reasonable in this product production process, Make product that there is hydrophobicity, high temperature resistant, corrosion resistant performance.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is Fig. 1 top view；

Fig. 3 is Fig. 1 upward view；

Fig. 4 is the structural representation of insulator of the present utility model；

Fig. 5 is Fig. 4 side view；

Fig. 6 is the structural representation of buffer structure of the present utility model.

Wherein：1 is upper end cover；11 be upper connecting hole；12 be wire connecting screw hole；2 be bottom end cover；21 be that insulation sleeve connects Connect hole；22 be lower connecting hole；3 be lower insulation sleeve；4 be insulator；41 be pour mass；42 be small full skirt；43 be big full skirt；5 are Upper insulation sleeve；6 be buffering attachment structure；7 be metal insert；8 be bumper ring；9 be connecting bolt.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings and it is embodied The utility model is described in detail example.

As Figure 1-3, a kind of EMUs top insulation pillar provided by the utility model, including upper end cover 1, lower end Lid 2, lower insulation sleeve 3, insulator 4 and upper insulation sleeve 5, the upper and lower end of wherein insulator 4 are connected to upper end cover 1 and lower end The outside of lid 2, upper end cover 1 and bottom end cover 2 is arranged with insulation sleeve 5 and lower insulation sleeve 3, bottom end cover 2 and EMUs roof respectively On the connection of ground connection pedestal, upper end cover 1 is connected with high-voltage conducting wires.

Further, upper end cover 1 and bottom end cover 2 use metal material, and lower insulation sleeve 3 and upper insulation sleeve 5 are silicon rubber Gum cover, and sealed at the edge of silicone rubber sleeve with room temperature vulcanized silicone rubber, to improve the insulating properties of insulation column.

It is respectively fitted over insulation sleeve 5 and lower insulation sleeve 3 outside upper end cover 1 and bottom end cover 2, metal processing piece is wrapped in absolutely Edge material internal, the pressure-resistant performance of this product is set further to improve.

As illustrated in figures 4-5, insulator 4 is integrally formed by poured with epoxy resin, including pour mass 41, small full skirt 42 and gamp Skirt 43, the outer surface of wherein pour mass 41 is axially spaced to be arranged alternately small full skirt 42 and big full skirt 43.

Further, the both ends of pour mass 41 are provided with the buffering attachment structure 6 being connected respectively with upper end cover 1 and bottom end cover 2.

As shown in fig. 6, buffering attachment structure 6 includes metal insert 7 and bumper ring 8, wherein metal insert 7 is multiple, simultaneously And the end of pour mass 41 is circumferentially embedded at respectively, screwed hole, the outside of metal insert 7 are provided with metal insert 7 vertically End is provided with bumper ring 8.

In an embodiment of the present utility model, the height of pour mass 41 is 450mm, and upper end cover is installed at the both ends of pour mass 41 1 and bottom end cover 2 after total height be 505mm.Being in interval alternative distribution on pour mass 41 high 450mm with the retting-flax wastewater of optimization has Eight groups of big full skirts 43 and nine groups small full skirt 41, full skirt line space design is reasonable, improves electric clearance and creep age distance, is substantially improved Voltage endurance capability.

Pour mass 41 uses high performance epoxy resin, is produced using the integration of APG automatic pressure gels moulding process, one The shaping of secondary property, has a very high dielectric strength, and the surface of pour mass 41 there is good intrinsic hydrophobicity, shift hydrophobicity and Reduce hydrophobicity；It is strict to control solidification temperature and time in pour mass solidification process, pour mass resin is obtained more preferable machine Tool intensity, higher horizontal mechanical bend failing load can be born.

Upper end cover 1 and bottom end cover 2 are made of high quality white steel, and surface is smooth, and all wedge angles do fillet processing, Du The possibility of sophisticated electrion absolutely；And steel part mechanical strength is big in vain, firmly installs.

Lower insulation sleeve 3 and upper insulation sleeve 5 are made of methyl vinyl silicone rubber pressure injection, and high-low temperature resistant can be in -50- 250 DEG C of environment long-term works, and protection against the tide, electrical insulating property, resistance to arcing and corona, hydrophobicity are splendid；It is simultaneously ageing-resistant, can be out of doors Adverse circumstances are long-term use of.

Metal insert 7 is copper insert, and screwed hole is provided with vertically on copper insert.Set respectively on upper end cover 1 and bottom end cover 2 There are upper connecting hole 11 and lower connecting hole 22, as Figure 2-3.Screwed hole on the copper insert of the upper end of pour mass 41 passes through spiral shell Bolt is connected with upper connecting hole 11, and the screwed hole on the copper insert of the lower end of pour mass 41 is connected by bolt and lower connecting hole 22 Connect.

Bumper ring 8 uses silicone rubber material, the overcoat silicon rubber bumper ring on copper insert.So tree of copper insert and surrounding Buffering is formed between fat, in environment temperature acute variation, the contracting of copper and resin is absorbed by silicon rubber bumper ring and caused answered than different Power, when insulation column is in the great working environment of the temperature difference, molding casting body 41 will not ftracture.

Further, the inner side of insulator 4 is provided with gauze screen, insulation column internal electric field is evenly distributed, and reduces local Discharge capacity.

In summary, the insulation column compound by epoxy resin and silicon rubber provided by the utility model is to be used for EMUs On insulating supporting equipment, the high-voltage circuits such as wire can be supported, and formed and insulated in high-pressure side and earth terminal；Due to cast The special construction of body full skirt can increase the creep age distance of high-pressure side and low-pressure end；Silicone rubber sleeve outside end cap can be by metalwork Wrap up, obstructed electric discharge of the metalwork to low-pressure end；And pour mass made of epoxy resin be respectively provided with silicone rubber sleeve it is anti- Damp, resistance to electric arc, ageing-resistant excellent characteristic, can adverse circumstances long-term use out of doors.

The upper only embodiment of the present utility model, is not intended to limit the scope of protection of the utility model.It is all Any modification, equivalent substitution and improvements made within the spirit and principles of the utility model, extension etc., are all contained in this practicality In new protection domain.

Claims (10)

1. a kind of EMUs top insulation pillar, it is characterised in that including upper end cover (1), bottom end cover (2), lower insulation sleeve (3), insulator (4) and upper insulation sleeve (5), the upper and lower end of wherein insulator (4) are connected to upper end cover (1) and bottom end cover (2), the outside of the upper end cover (1) and bottom end cover (2) is arranged with insulation sleeve (5) and lower insulation sleeve (3), the lower end respectively Lid (2) is connected with the ground connection pedestal on EMUs roof, and the upper end cover (1) is connected with high-voltage conducting wires.

2. EMUs according to claim 1 top insulation pillar, it is characterised in that the insulator (4) is by epoxy Resin-cast is integrally formed, and includes the outer surface of pour mass (41), small full skirt (42) and big full skirt (43), wherein pour mass (41) It is axially spaced to be arranged alternately small full skirt (42) and big full skirt (43).

3. EMUs according to claim 2 top insulation pillar, it is characterised in that the both ends of the pour mass (41) Provided with the buffering attachment structure (6) being connected respectively with upper end cover (1) and bottom end cover (2).

4. EMUs according to claim 3 top insulation pillar, it is characterised in that the buffering attachment structure (6) Including metal insert (7) and bumper ring (8), wherein metal insert (7) is multiple and be circumferentially embedded at the cast respectively The end of body (41), screwed hole is provided with vertically on the metal insert (7), the outboard end of the metal insert (7) is provided with Bumper ring (8).

5. EMUs according to claim 4 top insulation pillar, it is characterised in that the metal insert (7) is copper Inserts, the bumper ring (8) use silicone rubber material.

6. EMUs according to claim 2 top insulation pillar, it is characterised in that the height of the pour mass (41) For 450mm, total height is 505mm afterwards for the both ends installation upper end cover (1) and bottom end cover (2) of the pour mass (41).

7. EMUs according to claim 1 top insulation pillar, it is characterised in that the upper end cover (1) and lower end Lid (2) uses metal material.

8. EMUs according to claim 7 top insulation pillar, it is characterised in that the upper end cover (1) and lower end Lid (2) is made of white steel.

9. EMUs according to claim 1 top insulation pillar, it is characterised in that the lower insulation sleeve (3) and upper Insulation sleeve (5) is silicone rubber sleeve.

10. EMUs according to claim 1 top insulation pillar, it is characterised in that the inner side of the insulator (4) Provided with gauze screen.