CN204324741U - Load switch of transformer suspended core apparatus - Google Patents

Abstract

The utility model discloses a transformer on-load switch hanging core device, which comprises a three-column adjustment main column rod device, a two-column adjustment auxiliary oblique brace device, a slide rail, a sliding wheel and a charging electric hoist; the utility model is safe to use , Easy to operate, less prone to accidents, and combined through the modification of the existing structure, simple assembly, small footprint, and easy to carry.

Description

Transformer on-load switch hanging core device

technical field

The utility model belongs to the technical field of transformer on-load switch overhaul, in particular to a transformer on-load switch hanging core device.

Background technique

The transformer is one of the important power equipment in the process of power transmission and distribution in the power system, and the on-load switch of the transformer is an important operating facility for step-down and step-down. (domestic) inspection and repair of the hanging core of the on-load switch of the transformer is required. Every time the on-load switch is used to lift the core, 3-4 people are used to lift and pull the core of the on-load switch to lift out or put in the core. It is very unscientific and unsafe, and it is an original action. , If the staff does not operate properly, unforeseen consequences will occur. Both may cause personal and equipment accidents.

Utility model content

The purpose of the utility model is to provide a transformer on-load switch hanging core device which is safe to use, easy to operate and less prone to accidents.

The technical solution to realize the purpose of this utility model is:

A lifting core device for a transformer on-load switch, comprising a three-column adjustment main column rod device, a two-column adjustment auxiliary oblique strut device, a slide rail, a slip wheel and a rechargeable electric hoist; the three-column adjustment main column rod device includes three quilt It is configured to fix the main column on the flange of the transformer on-load switch well. The main column is parallel to and perpendicular to the flange of the transformer on-load switch well. The main column is a telescopic structure, and one of the main columns Located opposite to the sliding out direction of the suspension core, the other two are arranged symmetrically on both sides of the main column. The tops of the main columns on both sides are provided with load-bearing beams. The hanging core of the column rod device slides out of the direction, and the two-bar adjustment auxiliary diagonal brace device includes two auxiliary diagonal braces and an auxiliary beam arranged at the top of the two auxiliary diagonal braces. Trapezoidal, the auxiliary beam and the load-bearing beam are on the same horizontal plane, the slide rail is fixed at the lower end of the auxiliary beam and the load-bearing beam along the sliding out direction of the hanging core, and one end of it is opposite to the main column rod in the sliding out direction of the hanging core Fixed, the slip wheel and the slide rail form a sliding pair and are arranged at the bottom of the slide rail, and the rechargeable electric hoist is arranged at the bottom of the slip wheel.

Compared with the prior art, the utility model has significant advantages:

(1) The utility model can reduce the amount of manpower used, eliminate unsafe factors in the hoisting process, and ensure that the labor intensity of the maintenance personnel is reduced to the greatest extent, and the operation can be easily and orderly completed in the on-load switch hanging core.

(2) The utility model can be combined by refitting the existing structure. It is simple to assemble, occupies a small area, and is easy to carry. For two types of CM type and CV/SV type transformers, only this set of devices can be used to complete it. Work.

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the transformer on-load switch hanging core device of the present invention.

Detailed ways

Combined with Figure 1:

A transformer on-load switch hanging core device, comprising a three-column adjustment main column rod device 1, a two-column adjustment auxiliary diagonal brace device 2, a slide rail 3, a slip wheel 4 and a rechargeable electric hoist 5; the three-column adjustment main column Rod device 1 includes three main poles configured to be fixed on the flange 6 of the transformer on-load switch well, the main poles are parallel to and perpendicular to the transformer on-load switch well mouth flange 6, and the main poles are telescopic One of the main columns is located opposite to the sliding direction of the hanging core, and the other two are symmetrically arranged on both sides of the main column. The strut device 2 is located in the sliding out direction of the hanging core of the three-column adjustment main column pole device 1, and the two-column adjustment auxiliary diagonal strut device 2 includes two auxiliary diagonal struts and an auxiliary beam arranged at the top of the two auxiliary diagonal struts , the two auxiliary diagonal braces and the auxiliary beam form a trapezoid, the auxiliary beam and the bearing beam are on the same horizontal plane, the slide rail 3 is fixedly arranged at the lower end of the auxiliary beam and the bearing beam along the sliding direction of the hanging core, and one end of the The main column pole opposite to the sliding direction of the suspension core is fixed, the sliding wheel 4 and the slide rail 3 form a sliding pair and are arranged on the bottom of the slide rail 3, and the rechargeable electric hoist 5 is arranged on the bottom of the sliding wheel 4.

The bottoms of the two auxiliary diagonal braces of the two-bar adjustment auxiliary diagonal brace device 2 are connected by an anti-split device.

The anti-split device is a chain or a rope.

Both the main column rod and the auxiliary diagonal brace adopt a two-stage telescopic structure, and a fixing device is arranged between the two telescopic structures.

The fixing device is a positioning bolt.

The installation and use steps of the utility model are as follows:

1. First install the main column rod of the three-column adjustment main column rod device 1 on the flange of the transformer on-load switch well bin mouth through screws, and the installation position of one of the main column rods is opposite to the sliding out direction of the hanging core . The rest of the two rods are installed on both sides of the rod respectively, and the fixing method is the same, and the three rods are distributed in the shape of a character;

2. After the three poles are installed and fixed, pull out the positioning pins one by one, pull out the upper column rod to the height required for work, and insert the positioning pins;

3. There are positioning columns at both ends of the bottom of the load-bearing beam. Insert the positioning columns on the load-bearing beam into the upper square openings of the two main columns symmetrically arranged, and then slide the fixed end of the slide rail 3 and the hanging core connected to it. The upper end of the main column rod opposite to the outgoing direction is fixed with a positioning pin, and then the joint between the slide rail 3 and the load-bearing beam is fixed with a pin;

4. Lift the auxiliary diagonal brace of the two-bar adjustable auxiliary diagonal brace device 2 to the working height corresponding to the main column rod, insert and fix it with the positioning pin, insert the top into the square slot hole of the auxiliary beam, and then slide the The connection between rail 3 and the auxiliary beam is fixed with a bolt, and the bottom foot of the auxiliary diagonal brace has an anti-split stainless steel chain, which is fixed with a buckle after adjusting to a suitable width;

5. Hang the upper hook of the rechargeable electric hoist 5 into the hook hole at the lower part of the slip wheel 4.

6. Check the above installation for errors and omissions, if there is no drop, you can carry out hoisting operations.

The utility model is suitable for hoisting the hanging cores of two kinds of on-load switches of CM type and CV/SV type transformers. It has strong versatility and can quickly, safely and smoothly realize the functions of hoisting core from the well chamber, sliding, and falling to the ground.

Moreover, the application of the utility model can greatly reduce the labor intensity of maintenance personnel, better improve work efficiency, reduce work risk, and reduce the rate of equipment accidents.

Claims (5)

1. A transformer on-load switch hanging core device is characterized in that: it comprises three-column adjustment main column bar device (1), two-bar adjustment auxiliary oblique strut device (2), slide rail (3), slip wheel ( 4) and rechargeable electric hoist (5); the three-column adjustment main pole device (1) includes three main poles configured to be fixed on the flange (6) of the transformer on-load switch well, and the main poles are parallel And it is perpendicular to the flange (6) of the tank mouth of the transformer on-load switch. The main column is a telescopic structure. One of the main columns is located opposite to the sliding direction of the hanging core, and the other two are symmetrically arranged on this main column. On both sides of the rod, the top of the main column rods on both sides is provided with a load-bearing crossbeam, the two-pole adjustment auxiliary diagonal brace device (2) is located The auxiliary diagonal brace device (2) includes two auxiliary diagonal braces and an auxiliary beam arranged at the top of the two auxiliary diagonal braces, the two auxiliary diagonal braces and the auxiliary beam form a trapezoid, and the auxiliary beam and the load-bearing beam are on the same horizontal plane Above, the slide rail (3) is fixedly arranged at the lower end of the auxiliary beam and the load-bearing beam along the sliding out direction of the hanging core, and one end thereof is fixed to the main column pole opposite to the sliding out direction of the hanging core, and the sliding wheel (4) It forms a sliding pair with the slide rail (3) and is arranged at the bottom of the slide rail (3), and the rechargeable electric hoist (5) is arranged at the bottom of the slip wheel (4). 2. The hanging core device for transformer on-load switch according to claim 1, characterized in that: the bottoms of the two auxiliary diagonal braces of the two-bar adjustment auxiliary diagonal brace device (2) are connected by an anti-split device. 3. The transformer on-load switch hanging core device according to claim 2, characterized in that: the anti-split device is a chain or a rope. 4. The hanging core device for transformer on-load switch according to claim 1, 2 or 3, characterized in that: the main upright pole and the auxiliary diagonal strut both adopt a two-stage telescopic structure, and the space between the two telescopic structures Set with fixtures. 5. The transformer on-load switch hanging core device according to claim 4, characterized in that: said fixing device is a positioning bolt.