CN205389077U - Cubical switchboard handcart - Google Patents

Abstract

The utility model discloses a cubical switchboard handcart, including the frame, voltage transformer is installed on the upper portion of frame, and the mid -mounting of frame has the insulator support, is fixed with the insulator on the insulator support, and the insulator tip is equipped with the support, and fixed mounting touches the arm on the support, touches the arm tip and is equipped with the plum blossom contact, and the frame lower part is equipped with overvoltage protection device, is connected through fusible core between voltage transformer and the support, is equipped with the front panel on the terminal surface before the frame, and the frame top is equipped with well shrouding, and the frame left and right sides is equipped with left shrouding, right shrouding respectively. The utility model has the advantages of it is following: 1, simple structure, rationally distributed, with low costs, processing cycle is short, assembly and safeguard conveniently, overvoltage protection device can make whole PT car electrical equipment system move more effectively simultaneously, better solution the insulating problem of heavy current PT handcart, make its damage of avoiding the overvoltage, the security performance is more reliable, 2, it provides a new selection also to put the used PT car structure pattern of formula handcart cabinet for the 1000mm cabinet in wide in addition.

Description

A switch cabinet handcart

technical field

The utility model relates to the technical field of switch cabinets, in particular to a switch cabinet handcart.

Background technique

The PT cabinet is also called the voltage transformer cabinet. The function of the voltage transformer is to measure the primary voltage and convert the voltage into a standard low voltage in proportion, which is used for voltage measurement, electric energy measurement and relay protection signal; in the general PT cabinet There are PT handcarts, lightning arresters and some secondary equipment, because PT handcarts have: voltage measurement, providing voltage loops for measuring meters; providing operation and control power; installation of overvoltage protectors for each busbar; relay protection With the development and demand of the power market and the advancement of high-voltage switch technology, it has accelerated the need for some PT hand switches with high technical parameters and reliable performance. Vehicle research, especially social development requires that complete sets of equipment be transferred to the direction of high current. The PT handcarts that are equipped are required to be more reliable in performance and easier to maintain. At the same time, more structural forms of high-current PT handcarts are required.

Utility model content

The technical problem to be solved by the utility model is to provide a switch cabinet handcart with reasonable layout, convenient assembly and high safety performance in view of the deficiencies of the prior art.

In order to solve the above-mentioned technical problems, the technical solution of the utility model is: a switch cabinet handcart, including a vehicle frame, a voltage transformer is installed on the upper part of the vehicle frame, an insulator bracket is installed on the middle part of the vehicle frame, The insulator is fixed on the insulator bracket, the end of the insulator is provided with a support, the contact arm is fixedly installed on the support, and the end of the contact arm is provided with a plum blossom contact. The lower part of the frame is provided with an overvoltage protector, the bottom of the frame is provided with a chassis car, the rear end of the chassis car is provided with a valve push plate, and the voltage transformer and the support are connected through a fuse core. The front end of the vehicle frame is provided with a front panel, the top of the vehicle frame is provided with a middle sealing plate, and the left and right sealing plates are respectively provided on the left and right sides of the vehicle frame.

The contact arm sleeve is sleeved on the contact arm.

The overvoltage protector is connected with the support.

The utility model adopts the above-mentioned structure and has the following advantages: 1. Simple structure, reasonable layout, low cost, short processing cycle, convenient assembly and maintenance, and at the same time, the overvoltage protector can make the entire PT vehicle electrical equipment system run more effectively and more efficiently. It solves the insulation problem of high-current PT handcarts, making it free from overvoltage damage, and the safety performance is more reliable; 2. In addition, it also provides a PT car structure style for the 1000mm cabinet width center-mounted handcart cabinet. new options.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail;

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

Fig. 2 is the structural representation of front panel in the utility model;

In Figures 1 to 2, 1. Vehicle frame; 2. Voltage transformer; 3. Fused core; 4. Insulator; 5. Support; 6. Contact; 7. Contact arm; 8. Insulator support; 9. Voltage protector; 10, valve push plate; 11, chassis car; 12, left sealing plate; 13, middle sealing plate; 14, right sealing plate.

detailed description

As shown in Figures 1 to 2, a switchgear handcart includes a frame 1, and a voltage transformer 2 is installed on the upper part of the frame 1. The voltage transformer 2 has the function of converting high voltage into 100V or lower in proportion. The standard secondary voltage is used for protection, metering, and instrumentation; an insulator bracket 8 is installed in the middle of the vehicle frame 1, and an insulator 4 is fixed on the insulator bracket 8, and the insulator 4 ensures the safety of the vehicle frame 1. insulation. The end of the insulator 4 is provided with a support 5, and the contact arm 7 is fixedly installed on the support 5. The end of the contact arm 7 is provided with a contact 6. The contact 6 is a plum blossom contact, and the plum blossom contact 6 is connected with the cabinet of the switch cabinet. The bottom of the vehicle frame 1 is provided with an overvoltage protector 9, which can protect the insulation of electrical equipment from overvoltage damage; the overvoltage protector 9 is connected to the support 5.

The bottom of vehicle frame 1 is provided with chassis car 11, is provided with valve push pedal 10 on the chassis car 11, and valve push pedal 10 is connected to the rear end end of chassis car 11. The voltage transformer 2 and the support 5 are connected through a fuse 3 . A front panel 15 is arranged on the front end of the vehicle frame 1, a middle sealing plate 13 is arranged on the top of the vehicle frame 1, a left sealing plate 12, a right sealing plate 14 are respectively arranged on the left and right sides of the vehicle frame 1, a middle sealing plate 13, a left sealing plate 12. The right sealing plate 14 plays a very good role in protecting the vehicle frame 1. The contact arm 7 is sleeved with a contact arm sleeve to ensure the insulation between the contact arm 7 and the outside world.

The utility model has the advantages of simple structure, convenient assembly and maintenance, and at the same time, can protect the PT vehicle from overvoltage damage, make the equipment run more effectively and safely, and also enrich the structural style of the PT vehicle.

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above methods, as long as the various improvements of the technical solution of the utility model are adopted, or directly applied to other applications without improvement. Occasions, all within the protection scope of the present utility model.

Claims (3)

1. A switchgear handcart, characterized in that: it comprises a vehicle frame, a voltage transformer is installed on the top of the vehicle frame, an insulator bracket is installed on the middle part of the vehicle frame, and an insulator bracket is fixed on the described insulator bracket Insulator, the end of the insulator is provided with a support, the support is fixedly installed with a contact arm, the end of the contact arm is provided with a plum blossom contact, and the lower part of the frame is provided with an overvoltage protector , the bottom of the frame is provided with a chassis, the rear end of the chassis is provided with a valve push plate, the voltage transformer and the support are connected through a fuse core, and the front end of the frame is A front panel is arranged on the upper surface, a middle sealing plate is arranged on the top of the vehicle frame, and a left sealing plate and a right sealing plate are respectively arranged on the left and right sides of the vehicle frame. 2. A switchgear handcart according to claim 1, characterized in that: said contact arm is sleeved with a contact arm sleeve. 3. A switchgear handcart according to claim 1, characterized in that the overvoltage protector is connected to the support.