CN209766136U

CN209766136U - composite suspension insulator

Info

Publication number: CN209766136U
Application number: CN201921072598.XU
Authority: CN
Inventors: 周清政; 赵军生
Original assignee: PINGDINGSHAN INSULATION PRODUCT CO Ltd
Current assignee: PINGDINGSHAN INSULATION PRODUCT CO Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2019-12-10
Anticipated expiration: 2029-07-10

Abstract

The utility model relates to the technical field of insulators, in particular to a composite suspension insulator, which comprises an iron cap, a vertical column body and a steel foot, wherein one end of the vertical column body is fixedly connected with the iron cap, the other end of the vertical column body is fixedly connected with the steel foot, the vertical column body is a columnar structure with thin end part and thick middle part, the middle position of the vertical column body is provided with an emergency device, the emergency device comprises a control cylinder, a clamping seat and a connecting seat, the control cylinder is cylindrical, the inner cavity of the control cylinder is provided with the clamping seat and the connecting seat, one end of the clamping seat is contacted with the connecting seat, a cylindrical cavity is formed between the connecting seat and the control cylinder, and the cylindrical cavity is provided with a pressure device, the utility model realizes the capability of the insulator to deal with impact, the insulator has a certain adjusting function, when the impact force exceeds the bearing capability of the insulator, the insulator can be broken at the appointed position, has high practicability.

Description

Composite suspension insulator

Technical Field

The utility model relates to an insulator technical field specifically is a compound suspension insulator.

Background

The composite suspension insulator is composed of iron cap, porcelain insulator sleeve (suspension or silicon rubber) and steel foot (conducting rod), and is glued into a whole by cement glue. All adopt the most advanced international cylindrical head structure and are characterized by small head size. Light weight, high strength and large creepage distance. Can save metal materials and reduce the cost of the line.

In the prior art, once the impact force applied to the insulator is larger than the bearing capacity of the insulator, the insulator is broken, so that dangerous accidents such as wire falling are caused, if the insulator can be invented, the insulator cannot be completely broken after being impacted, the function of controlling the wire by the insulator can be still kept in a short time, and the problem can be solved, so that the composite suspension insulator is provided.

Disclosure of Invention

An object of the utility model is to provide a compound suspension insulator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound suspension insulator, includes iron cap, stand body and steel foot, stand body one end fixedly connected with iron cap, stand body other end fixedly connected with steel foot, the stand body is thick columnar structure in the middle of the tip is thin, stand body middle part position is provided with emergency device, emergency device includes a control section of thick bamboo, screens seat and connecting seat, be provided with screens seat and connecting seat in the inner chamber of a cylindric and control section of thick bamboo in the control section of thick bamboo, the one end contact of screens seat has the connecting seat, form the tube-shape chamber between connecting seat and the control section of thick bamboo, be provided with pressure device in the tube-shape chamber, a plurality of pressure device evenly encircle establish around the connecting seat, pressure device one end and control section of thick bamboo are connected, and the pressure device other end and connecting seat are connected, the lateral wall of a control section of thick bamboo is fitted with a contraceptive ring.

Preferably, the pressure device comprises two pressure columns and a clamping rod which are symmetrically distributed, the pressure columns are cylindrical, one end of each pressure column is provided with a chamfer, the chamfer surfaces of the two pressure columns are buckled together, the chamfer surfaces of the pressure columns are provided with cylindrical grooves, and the clamping rod is arranged in each groove.

preferably, the connecting seat shape is a cylinder end portion integrated connection spheroid, the clamping seat shape has been seted up the spherical segment form recess for cylinder and cylinder one end bottom surface, and the spheroid of connecting seat agrees with the spherical segment form recess of clamping seat, the cylinder lateral wall and the pressure column one end fixed connection of clamping seat.

Preferably, the fracture cavity is in a shape that two pyramid bottoms are butted, the connecting line of two tips of the fracture cavity is parallel to the central axis of the control cylinder, the fracture cavity is located around the cylinder of the connecting seat, and the central axis of the pressure column is radially parallel to the cylinder of the connecting seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The utility model discloses the structural design has realized the ability that the insulator dealt with the impact, and self has certain regulatory function, and when the impact force exceeded insulator self bearing capacity, the insulator can take place to break at appointed position, cushions the impact force, and still can keep the function of dragging the electric wire, has very much the practicality;

2. The utility model discloses an articulated design between screens seat and the connecting seat for cooperate the rupture of a control section of thick bamboo, a plurality of pressure device's buffering design makes the insulator rupture in-process simultaneously, and the impact force is offset most.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the emergency device of FIG. 1;

fig. 3 is a schematic structural diagram of the pressure device in fig. 2.

In the figure: 1 iron cap, 2 upright columns, 3 steel feet, 4 emergency devices, 5 control cylinders, 6 clamping seats, 7 connecting seats, 8 pressure devices, 9 fracture cavities, 10 pressure columns, 11 clamping rods and 12 protruding disks.

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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 3, the present invention provides a technical solution: a composite suspension insulator comprises an iron cap 1, a vertical column body 2 and a steel foot 3, wherein one end of the vertical column body 2 is fixedly connected with the iron cap 1, the other end of the vertical column body 2 is fixedly connected with the steel foot 3, the vertical column body 2 is of a cylindrical structure with thin end part and thick middle part, an emergency device 4 is arranged at the middle position of the vertical column body 2, the emergency device 4 comprises a control cylinder 5, a clamping seat 6 and a connecting seat 7, the control cylinder 5 is cylindrical, the clamping seat 6 and the connecting seat 7 are arranged in an inner cavity of the control cylinder 5, one end of the clamping seat 6 is contacted with the connecting seat 7, a cylindrical cavity is formed between the connecting seat 7 and the control cylinder 5, a pressure device 8 is arranged in the cylindrical cavity, a plurality of pressure devices 8 are uniformly and annularly arranged around the connecting seat 7, one end of the pressure device 8 is connected with the control cylinder 5, the other end of the pressure device 8 is connected with the, referring to fig. 1, fixedly connected with protruding dish 12 on emergency device 4's the both sides stand body 2, emergency device 4 embedding is fixed at the middle part position of stand body 2 here, specifically is the section of cutting fixed connection in control section of thick bamboo 5 tip bottom surface and the stand body 2 middle part, and section of cutting fixed connection is cut to the cylinder one end bottom surface and the stand body 2 of screens seat 6, another section of cutting fixed connection on the cylinder bottom surface of connecting seat 7 and the stand body 2, refer to fig. 2, the cylinder outer wall of screens seat 6 and the section of thick bamboo inner wall fixed connection of control section of thick bamboo 5, the utility model discloses a vase sleeve spare is set up a plurality of protruding dishes 12 by on the stand body 2 and is constituteed.

Pressure device 8 includes pressure column 10 and the screens pole 11 of two symmetric distributions, and pressure column 10 shape has seted up the scarf for cylinder and cylinder one end, and the scarf of two pressure columns 10 is in the same place to the knot, has seted up the column recess on the scarf of pressure column 10, and is provided with screens pole 11 in the recess.

The connecting seat 7 shape is cylinder end body coupling spheroid, and the spherical segment form recess has been seted up for cylinder and cylinder one end bottom surface to screens seat 6 shape, and the spheroid of connecting seat 7 agrees with the spherical segment form recess of screens seat 6, and the cylinder lateral wall and the 10 one end fixed connection of pressure column of screens seat 6.

The shape of the fracture cavity 9 is that the bottom surfaces of two pyramids are butted, the connecting line of two tips of the fracture cavity 9 is parallel to the central axis of the control cylinder 5, the fracture cavity 9 is positioned around the cylinder of the connecting seat 7, and the central axis of the pressure column 10 is radially parallel to the cylinder of the connecting seat 7.

The working principle is as follows: during normal operation iron cap 1 is fixed at the assigned position, steel foot 3 and connection of electric lines, the vertical axial direction at the insulator is mainly concentrated on to the power of dragging, in case meet the horizontal direction and strike, and strike big enough, the insulator probably receives the impact disconnection, emergency device 4's design makes the position of breaking take place a plurality of fracture chamber 9 on control cylinder 5 and locates, control cylinder 5 damages the disconnection like this, relative rotation takes place at the conjunction point between screens seat 6 and the connecting seat 7, the impact force is used on pressure post 10 in this process, two pressure post 10 dislocation movement of contact, strike and make screens pole 11 take place the rupture, the reaction force that produces of the rupture of a plurality of screens poles 11 cushions the impact, the insulator is unlikely to be divided into two totally after the impact, connect between connecting seat 7 and the screens seat 6, the insulator still can keep the function of dragging the electric lines like this.

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 compound suspension insulator, includes iron hat (1), stand body (2) and steel foot (3), stand body (2) one end fixedly connected with iron hat (1), stand body (2) other end fixedly connected with steel foot (3), its characterized in that: the upright column body (2) is of a columnar structure with thin end part and thick middle part, the middle part of the upright column body (2) is provided with an emergency device (4), the emergency device (4) comprises a control cylinder (5), a clamping seat (6) and a connecting seat (7), the control cylinder (5) is cylindrical, a clamping seat (6) and a connecting seat (7) are arranged in the inner cavity of the control cylinder (5), one end of the clamping seat (6) is contacted with a connecting seat (7), a cylindrical cavity is formed between the connecting seat (7) and the control cylinder (5), a pressure device (8) is arranged in the cylindrical cavity, a plurality of pressure devices (8) are uniformly arranged around the connecting seat (7) in a surrounding manner, one end of the pressure device (8) is connected with the control cylinder (5), the other end of the pressure device (8) is connected with the connecting seat (7), the side wall of the control cylinder (5) is annularly provided with a plurality of breaking cavities (9) which are uniformly distributed.

2. The composite suspension insulator of claim 1, wherein: pressure device (8) include pressure column (10) and screens pole (11) of two symmetric distributions, pressure column (10) shape has been seted up the scarf for cylinder and cylinder one end, and the scarf of two pressure columns (10) is in the same place to the knot, has seted up the column recess on the scarf of pressure column (10), and is provided with screens pole (11) in the recess.

3. The composite suspension insulator of claim 1, wherein: the connecting seat (7) is in the shape of a cylinder end part integrally connected sphere, the clamping seat (6) is in the shape of a cylinder and a sphere-shaped groove is formed in the bottom surface of one end of the cylinder, the sphere of the connecting seat (7) is matched with the sphere-shaped groove of the clamping seat (6), and the cylinder side wall of the clamping seat (6) is fixedly connected with one end of the pressure column (10).

4. The composite suspension insulator of claim 1, wherein: the shape of the fracture cavity (9) is that the bottom surfaces of two pyramids are butted, the connecting line of two tips of the fracture cavity (9) is parallel to the central axis of the control cylinder (5), the fracture cavity (9) is positioned around the cylinder of the connecting seat (7), and the central axis of the pressure column (10) is radially parallel to the cylinder of the connecting seat (7).