CN219947947U - Sectional insulator - Google Patents

Abstract

The utility model discloses a segmented insulator, which belongs to the technical field of segmented power supply of a line power supply circuit of a track traffic contact net power supply system, and comprises a fixed mounting seat and nuts, wherein a plurality of guide plates are arranged on the fixed mounting seat, the guide plates are fixedly connected to the surface of the fixed mounting seat, fixed mounting holes are formed in the fixed mounting seat, the segmented insulator is convenient to operate because special tools are not required to be used when the insulator and the fixed mounting seat are mounted when the device is mounted by arranging the nuts and the fixed mounting seat, people can more conveniently mount the device under the action of the nuts and the fixed mounting seat, when the device is used by arranging three groups of insulators, the three groups of insulators are used together, the sudden falling danger caused by loosening of a single insulator and the nuts can be avoided, and the safety of the device is improved under the action of the insulators.

Description

Sectional insulator

Technical Field

The utility model relates to the technical field of segmented power supply of a line power supply circuit of a rail transit contact network power supply system, in particular to a segmented insulator.

Background

Along with the rapid development of Chinese economy, the population of each large city is continuously increased, the demand on urban rail construction is increasingly increased, the characteristics of rapid, on-time, large transport capacity and the like of rail traffic are adopted by more and more cities, the problem of traffic jam is solved, the running safety of rail vehicles is ensured, the rail vehicles adopt pantographs to receive current from a power supply contact net, the power supply lines are segmented sections, connecting equipment among the segmented sections is segmented insulators firstly, the matching with a bow gateway system of the vehicles is particularly important, the product quality problem of the segmented insulators can lead to abnormal abrasion of a carbon sliding plate, the separation of the segmented insulator and a fixed mounting seat can occur when the situation is serious, the severe fault of contact net fracture is caused, at present, the connection of the insulators of the segmented insulator for the contact net and the fixed mounting seat is of a hydraulic pressure structure, special hydraulic equipment is required in the matching in the process of product assembling and mounting, the pressure joint position always bears the tensile force effect, and is in the condition of frequent vibration caused by wind current and vehicle running in the external environment, and the state fault of the pressure joint position can exist.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a segmented insulator which has the characteristics of convenience in installation and high safety.

(2) Technical proposal

In order to achieve the above purpose, the utility model provides a segmented insulator, which comprises a fixed mounting seat and nuts, wherein a plurality of guide plates are arranged on the fixed mounting seat, the guide plates are fixedly connected to the surface of the fixed mounting seat, fixed mounting holes are formed in the fixed mounting seat, the surface of the fixed mounting seat is fixedly connected with insulators through the mounting holes and the nuts, and the number of the insulators is three, and the guide plates are arranged on the surface of the fixed mounting seat.

When the sectional insulator of the technical scheme is used, when the sectional insulator is assembled and installed, only an installation seat is required to be fixed on a supporting frame, insulators are inserted into fixed installation fixing holes at the same time, a rotation stopping gasket is placed, nuts are used for locking, the flatness of the insulators is adjusted, after the flatness is adjusted, the nuts are locked, then the rotation stopping gasket is bent, a guide plate is installed on the fixed installation, the nuts are not fastened, an insulating composite plate is installed on the insulators, the nuts are not fastened, then the sectional insulator is placed on a horizontal operation platform, a certain-value pulling force is applied to the fixed installation seats on the two sides of the sectional insulator by using equipment capable of applying pulling force, and in the pulling force state, the guide plate and the insulating composite plate are adjusted to be completely and horizontally attached to an operation platform panel, and the guide plate and the fastening nut of the insulating composite plate are fastened.

Further, arc extinguishing bars are arranged on the surface of the guide plate, and a certain angle and a certain distance are arranged between the arc extinguishing bars.

Further, the insulator fixing lock nut is fixed in a locking manner by using a rotation stopping gasket.

Further, the upper surface of the insulator is fixedly connected with an insulating composite board.

(3) Advantageous effects

In summary, the utility model has the following beneficial effects:

1. according to the sectional insulator, the nut and the fixed mounting seat are arranged, so that a special tool is not required to be used when the insulator and the fixed mounting seat are mounted when the device is mounted, the operation is convenient, and the device is more convenient to mount by people under the action of the nut and the fixed mounting seat;

2. this segmentation insulator through setting up three insulator groups, when using the device, three insulator groups use together, can avoid the danger that drops suddenly that an independent insulator and nut become flexible lead to, under the effect of insulator, improved the security of the device.

3. This segmentation insulator, through setting up the spacer that splines, when overhauling the device, people's accessible is looked over the locking mark position that splines, and locking mark shifts under the circumstances that appears becoming flexible, uses the device of this structure, can change the insulator alone when maintaining, reduces and uses maintenance cost, convenient operation.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described, and it is apparent that the drawings in the following description are only one embodiment of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is an enlarged schematic view of the structure of the present utility model at a.

The marks in the drawings are:

1. fixing the mounting base; 2. an insulator; 3. a deflector; 4. arc extinguishing rod; 5. an insulating composite board; 6. and (3) a nut.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model are clearly and completely described below to further illustrate the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all versions.

Examples:

the utility model is described in further detail below with reference to fig. 1-2.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a segmentation insulator, includes fixed mounting seat 1 and nut 6, and fixed mounting seat 1 is gone up and is set up guide plate 3, and guide plate 3 is shared a plurality of, and equal fixed connection is at fixed mounting seat 1 surface, is provided with the fixed mounting hole above the fixed mounting seat 1, and fixed mounting seat 1 surface is through mounting hole and nut 6 fixedly connected with insulator 2, and insulator 2 is totally three, all sets up at fixed mounting seat 1 surface.

Through adopting above-mentioned technical scheme, through setting up nut 6 and fixed mounting seat 1, when installing the device, insulator 2 need not use specialized tool when installing with fixed mounting seat 1, convenient operation under the effect of nut 6 and fixed mounting seat 1, more be convenient for people install the device, through setting up three insulator 2, when using the device, three insulator 2 are used together, can avoid the danger that drops suddenly that an individual insulator 2 and nut 6 become flexible lead to, under the effect of insulator 2, improved the security of the device.

Specifically, the surface of the guide plate 3 is provided with arc extinguishing bars 4, and certain angles and distances are reserved between the arc extinguishing bars 4.

Specifically, the insulator 2 is fixed and locked by using a rotation-stopping gasket to fix the lock nut 6.

Through adopting above-mentioned technical scheme, through setting up the spacer that ends, when overhauling the device, people's accessible is observed and is ended the locking mark position of spacer and is looked over, and locking mark shifts under the circumstances that appears becoming flexible, uses the device of this structure, can change insulator 2 alone when maintaining, reduces use maintenance cost, convenient operation.

Specifically, the upper surface of the insulator 2 is fixedly connected with an insulating composite board 5.

The working principle of the utility model is as follows:

when the sectional insulator with the structure is assembled and installed, only the installation seat 1 is fixed on the support frame, the insulators 2 are simultaneously inserted into the fixed installation fixing holes, the rotation stopping gaskets are placed, the nuts 6 are used for locking, the flatness of the insulators 2 is adjusted, after the flatness is adjusted, the nuts 6 are locked, then the rotation stopping gaskets are bent, the guide plates 3 are installed on the fixed installation, the nuts 6 are not fastened, the insulating composite plate 5 is installed on the insulators 2, the nuts 6 are not fastened, then the sectional insulator is placed on the horizontal operation platform, a certain amount of tension is applied to the two side fixed installation seats 1 of the sectional insulator by using equipment capable of applying tension, in the tension state, the guide plates 3 and the insulating composite plate 5 are adjusted to be completely and horizontally attached to the operation platform panel, the guide plates 3 and the fastening nuts 6 of the insulator composite plate are fastened, then the rotation stopping gaskets are bent, after the assembly is completed, the sectional insulator is placed on the tension experiment table for carrying out a tension test report, and the sectional insulator assembly is completed.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims (4)

1. A segmented insulator comprising a fixed mount (1) and a nut (6), characterized in that: the novel electric power generation device is characterized in that guide plates (3) are arranged on the fixed installation base (1), the guide plates (3) are multiple in number and fixedly connected to the surface of the fixed installation base (1), fixed installation holes are formed in the surface of the fixed installation base (1), insulators (2) are fixedly connected to the surface of the fixed installation base (1) through the installation holes and nuts (6), and the insulators (2) are three in number and are arranged on the surface of the fixed installation base (1).

2. A segmented insulator as claimed in claim 1, wherein: the surface of the guide plate (3) is provided with arc extinguishing bars (4), and certain angles and distances are reserved between the arc extinguishing bars (4).

3. A segmented insulator as claimed in claim 2, wherein: the insulator (2) is fixed with the lock nut (6) by using a rotation stopping gasket to prevent loosening.

4. A segmented insulator according to claim 3, wherein: the upper surface of the insulator (2) is fixedly connected with an insulating composite board (5).