CN206917394U - A kind of saddle-shape safety shelter device for GIS combination electric appliance - Google Patents

Abstract

A saddle-type safety blocking device for GIS combined electrical appliances, including a fixing device, a connecting device and a blocking device, the fixing device is connected with the connecting device and the blocking device, and the fixing devices are arranged on both sides of the GIS combined electrical appliance (1) , used to fix the blocking device, the connecting device is closely connected with the GIS combined electrical appliance (1), and the live part and the non-charged part of the GIS combined electrical appliance (1) are clearly and completely isolated through the blocking device. The beneficial effects of the utility model are as follows: during on-site maintenance and test work, the utility model can ensure the clear and complete isolation of the charged part and the non-charged part of the GIS combined electrical appliance, so that the on-site operators can clearly define the working area and maintain sufficient safety distance, improve operational efficiency, reduce safety risks, and ensure the safety of people, power grids, and equipment.

Description

A saddle-type safety barrier device for GIS combined electrical appliances

technical field

The utility model relates to a saddle-type safety shielding device for a GIS combined electrical appliance, which is suitable for the inspection and maintenance of the GIS combined electrical appliances in the 220 kV and 66 kV outdoor occasions of the electric power system, and belongs to the field of inspection and maintenance of the electric power system.

Background technique

GIS (gas-insulated metal-enclosed switchgear), that is, combined electrical appliances, is composed of circuit breakers, disconnectors, grounding switches, lightning arresters, voltage transformers, current transformers, bushings and busbars, and is enclosed in a grounded metal enclosure. , due to its strong anti-interference, easy maintenance and other advantages, GIS combined electrical appliances have been widely used and promoted in domestic substations.

The national GB50150-2016 "Electrical Installation Engineering Electrical Equipment Handover Test Standard" and the industry standard Q/GDW1168-2013 "Test Procedures for Condition Maintenance of Power Transmission and Transformation Equipment" have clear regulations on the test cycle and items of GIS combined electrical appliances. In the field operation of the power system, the power supply mode of the south mother and the north mother is generally adopted. On the one hand, in order to ensure the reliability of industrial and agricultural production and residential use, the power supply cannot be interrupted; on the other hand, the operating equipment can be regularly maintained by switching methods. Defective equipment requires overhaul.

The "State Grid Corporation of China Electricity Safety Work Regulations Substation Part" points out that when working on electrical equipment, technical measures to ensure safety include hanging signs and installing barriers or fences. Among them, clause 7.5.2 "For partial blackout work, the safety distance is less than the distance specified in Table 1. Temporary barriers shall be installed for non-power-off equipment, and the distance between temporary barriers and live parts shall not be less than the specified value in Table 3...".

At present, there is no special safety barrier for the GIS combined electrical work site. There are many loopholes in the protective barriers for the GIS combined electrical equipment using traditional safety barriers. interval. In addition, since there is no safety barrier specially used for GIS combined electrical appliances, there is a lack of safety protection barriers between the live equipment at high places and the power-off equipment, which prevents maintenance personnel from performing maintenance work and test personnel from performing pressurization tests on equipment.

Utility model content

Aiming at the above problems, the utility model provides a saddle-type safety barrier device for GIS combined electrical appliances according to the special shape of GIS combined electrical appliances, which solves the problem of low recognition caused by non-standard installation of safety barriers during on-site maintenance and test operations And there are problems such as potential safety hazards, and the safety of people, power grids and equipment is effectively guaranteed through rigid safety protection barriers.

In order to solve the above-mentioned technical problems, a saddle-type safety barrier device for GIS combined electrical appliances is produced according to the "saddle" principle. The utility model is realized through the following technical solutions:

A saddle-type safety blocking device for GIS combined electrical appliances, including: a fixing device, a connecting device and a blocking device, the fixing device is connected with the connecting device and the blocking device, and the fixing device is arranged on two sides of the GIS combined electrical appliance (1). The side is used to fix the blocking device, and the connecting device is closely connected with the GIS combined electrical appliance (1), and the live part and the non-charged part of the GIS combined electrical appliance (1) are clearly and completely isolated through the blocking device.

Wherein, the connecting device includes an adjustable pull buckle (3), a plastic saddle frame (4), a pull buckle (5) and a binding strap (6), and the adjustable pull buckle (3) is fixed by a fixing screw ( 12) Connected with the plastic saddle frame (4), the adjustable pull button (3) adjusts the tightness of the plastic saddle frame (4) according to the diameter of the GIS combined electrical appliance (1). The plastic saddle frame (4) is shaped like a saddle Hollow semi-arc structure, the binding strap (6) passes through the interior of the plastic saddle frame (4) and connects with the tension buckle (5), the tension buckle (5) is used to tighten the binding strap (6), and the connecting device is tightly attached Combined on the GIS combination electric appliance (1).

Wherein, the fixing device includes a telescopic rod (7), a four-way connection valve (8), an insulating support rod (9) and a fixing screw (12), and one end of the telescopic rod (7) passes through a telescopic fixing seat ( 2) Connected with the connection device, the other end of the telescopic rod (7) is connected with the four-way connection valve (8) through the fixing screw (12), and the other three ports of the four-way connection valve (8) are respectively connected with three insulating bracket rods (9) connected.

Wherein, the blocking device includes a saddle type blocking net (10), a blocking net fixing belt (15) and a blocking net bag (11), and the two ends of the saddle type blocking net (10) are provided with blocking net sets The bag (11), the blocking net bag (11) is used to cover the saddle type blocking net (10) on the insulating support rod (9) of the fixing device, and the saddle type side of the saddle type blocking net (10) is provided with blocking The net fixing belt (15), the blocking net fixing belt (15) is used to fix the saddle type blocking net (10) on the connecting device.

Wherein, the number of the blocking devices is two, which are respectively arranged on the upper part and the lower part of the GIS combined electrical appliance (1), and the blocking devices are fixed on the connection device through the blocking net fixing belt (15).

Wherein, the bottom of the insulating support rod (9) is provided with a conical metal base (13) to ensure the overall stability of the device.

Wherein, the saddle-shaped blocking net (10) is provided with a safety warning sign (14), and the safety warning sign (14) is marked with the words "stop, high voltage danger" to remind operators to stay away from the danger zone.

Compared with the prior art, the beneficial effect of the utility model is: when carrying out on-site maintenance and test work, the utility model can ensure the clear and complete isolation of the charged part and the non-charged part of the GIS combined electrical appliance, so that the on-site operators can clearly The operating area, and maintain a sufficient safe distance, improve operating efficiency, reduce safety risks, and ensure the safety of people, power grids, and equipment. This patent has a novel design and a reasonable structure. The saddle part can be closely attached to the body of the GIS combined electrical appliance. In addition to the tightening buckle fixing device, all parts are detachable and replaceable, and the assembly is fast, durable, easy to operate, and easy to carry. It has good economic and social benefits. The utility model is scientific in design, simple and reasonable in structure, strong in practicability and obvious in effect, and can solve the safety protection problems brought about by special occasions of GIS combined electrical appliances. The system has extensive promotion and application space.

Description of drawings

Fig. 1 is a schematic structural diagram of a saddle-type safety barrier device for GIS combined electrical appliances of the present invention.

Fig. 2 is a schematic diagram of on-site operation of a saddle-type safety barrier device for GIS combined electrical appliances of the present invention.

Fig. 3 is a structural diagram of a connection device of a saddle-type safety barrier device used for GIS combined electrical appliances of the present invention.

Fig. 4 is a schematic structural diagram of a barrier device of a saddle-type safety barrier device used for GIS combined electrical appliances of the present invention.

In the figure: 1. GIS combined electrical appliance; 2. Telescopic fixed seat; 3. Adjustable buckle; 4. Plastic saddle frame; 5. Tightening buckle; 6. Binding belt; 7. Telescopic rod; ; 9. Insulation support rod; 10. Saddle-type blocking net; 11. Blocking net bagging; 12. Fixing screw; 13. Base; 14. Safety warning sign;

detailed description

Below in conjunction with embodiment the utility model is described in further detail. The following examples are only specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and all non-substantial changes are carried out to the utility model by using this concept, all should be within the scope of protection of the utility model .

Example 1

As shown in Figures 1-4, a saddle-type safety barrier device for GIS combined electrical appliances is combined with a telescopic rod 7, a plastic saddle frame 4, and a saddle-shaped barrier net 10 to meet the different voltage levels of the GIS combined electrical appliance 1. In areas with different shapes, safety barriers need to be arranged; the four-way connection valve 8 is used to connect the insulating support rod 9 as the overall support of the device, and the insulating support rod 9 and the four-way connection valve 8 are fixed by fixing screws 12 to ensure insulation The support rod 9 is connected smoothly to reduce the adverse effects caused by external forces such as natural wind force and its own weight; the adjustable pull buckle 3 is connected with the plastic saddle frame 4 through the fixing screw 12, and the adjustable pull buckle 3 is adjusted according to the diameter of the GIS combined electrical appliance 1 The tightness of the plastic saddle frame 4, the number of the plastic saddle frame 4 is two, all arranged on the top of the GIS combined electrical appliance 1, the plastic saddle frame 4 is provided with an adjustment hole, the adjustment hole and the pull button hole on the adjustable pull button 3 The plastic saddle frame 4 is closely attached to the upper part of the GIS combined electrical appliance 1 through the fixing screw 12, and the telescopic rod 7 connected with the telescopic fixing seat 2 at one end of the plastic saddle frame 4 is kept horizontal by adjusting the adjustable pull button 3, and the plastic saddle frame 4 is a semi-arc shape like a "saddle", which closely fits the body of the GIS combined electrical appliance 1. The plastic saddle frame 4 passes through the binding belt 6 inside, and is fixed at the bottom of the cylindrical body of the GIS combined electrical appliance 1 with a tension buckle 5. Tightening buckle 5 is prior art, also is hasp; Base 13 is conical shape, and selects metal material to cast, to guarantee integral stability; Saddle-type block net 10 both sides edge positions are provided with block net bagging 11, can Insert the insulating support bar 9, the bottom of the saddle-type blocking net 10 is provided with a blocking-net fixing belt 15, and the saddle-type blocking net 10 can be further fixed on the saddle frame in good condition, and the quantity of the saddle-type blocking net 10 is two, respectively set On the upper and lower parts of the GIS combined electrical appliance 1, the saddle-shaped blocking net 10 on the top of the GIS combined electrical appliance 1 is connected to the plastic saddle frame 4 through the net fixing belt 15, and the saddle-shaped blocking net 10 on the bottom of the GIS combined electrical appliance 1 is connected to the plastic saddle frame 4 through the net fixing belt 15. Binding belt 6 links to each other.

The specific implementation steps and usage method of a saddle-type safety barrier device for GIS combined electrical appliances of the utility model are as follows: according to the needs of the site and the diameter of the GIS combined electrical appliance 1 that needs to be erected for safety barriers, adjust the binding belt 6 in the saddle frame and the adjustable Adjust the position of the pull button 3, install the plastic saddle frame 4, make it fit closely and place it on the top of the cylinder structure of the GIS combined electrical appliance 1, adjust and tighten the lower pull button 5, and confirm that the tightness of the pull button 5 is moderate, complete The saddle frame is partially installed; install the insulating support rod 9 on the base 13 and tighten the fixing screw 12, adjust the length of the telescopic rod 7 to meet the needs of the site, connect the telescopic rod 7 with the four-way connection valve 8, and use the fixing screw 12 to connect the telescopic rod 7 is completely fixed on the four-way connecting valve 8 to ensure the stability of the saddle-shaped blocking net 10; set the edge side blocking net sleeve belt 11 of the saddle-shaped blocking net 10 on the insulating support rod 9, and use the blocking net fixing belt 15 to bind the blocking net On the plastic saddle frame 4, the saddle-shaped blocking net 10 is fixed firmly, and then the conical metal base 13 is connected and fixed with the insulating support rod 9; according to the size of the work area, the blocking arrangement of other electrified and power-off parts can be combined in the same way according to the working area. Extend the extension range, and hang some safety warning signs 14 at the saddle type blocking net 10 appropriate positions.

Claims (7)

1. A saddle-type safety blocking device for GIS combined electrical appliances, characterized in that: it includes a fixing device, a connecting device and a blocking device, the fixing device is connected with the connecting device and the blocking device, and the fixing device is arranged on the GIS combined electrical appliance The two sides of (1) are used to fix the blocking device, and the connecting device is closely connected with the GIS combined electrical appliance (1). Through the blocking device, the live part and the non-charged part of the GIS combined electrical appliance (1) are clearly and completely isolated. 2. A saddle-type safety barrier device for GIS combined electrical appliances according to claim 1, characterized in that: the connecting device includes an adjustable pull button (3), a plastic saddle frame (4), a tension Buckle (5) and binding strap (6), the adjustable pull buckle (3) is connected with the plastic saddle frame (4) through the fixing screw (12), and the adjustable pull buckle (3) is combined with the electric appliance (1) according to GIS The diameter of the plastic saddle frame (4) is used to adjust the tightness of the plastic saddle frame (4). The plastic saddle frame (4) is a hollow semi-arc structure in the shape of a saddle. The binding belt (6) passes through the interior of the plastic saddle frame (4) and the tension buckle ( 5) Connected, the tightening buckle (5) is used to tighten the binding belt (6), and the connecting device is closely attached to the GIS combined electrical appliance (1). 3. A saddle-type safety barrier device for GIS combined electrical appliances according to claim 1, characterized in that: the fixing device includes a telescopic rod (7), a four-way connecting valve (8), an insulating bracket rod (9) and fixing screw (12), one end of the telescopic rod (7) is connected to the connection device through the telescopic fixing seat (2), and the other end of the telescopic rod (7) is connected to the four-way through the fixing screw (12) The valve (8) is connected, and the other three interfaces of the four-way connection valve (8) are respectively connected with three insulating support rods (9). 4. A saddle-type safety barrier device for GIS combined electrical appliances according to claim 1, characterized in that: the barrier device includes a saddle-type barrier net (10), a barrier net fixing belt (15) and a barrier Net bagging (11), the two ends of the saddle-shaped blocking net (10) are provided with blocking-net bagging (11), and the blocking-net bagging (11) is used to cover the saddle-shaped blocking net (10) on a fixed On the insulating bracket rod (9) of the device, the saddle-shaped side of the saddle-shaped screen (10) is provided with a screen-fixing belt (15), and the screen-fixing belt (15) is used to fix the saddle-shaped screen (10) on the connecting device. 5. A saddle-type safety blocking device for GIS combined electrical appliances according to claim 1, characterized in that: the number of said blocking devices is two, which are respectively arranged on the upper part and the upper part of the GIS combined electrical appliance (1). In the lower part, the blocking device is fixed on the connection device through the blocking net fixing belt (15). 6. A saddle-type safety barrier device for GIS combined electrical appliances according to claim 3, characterized in that: the bottom of the insulating support rod (9) is provided with a conical metal base (13), and the protection device overall stability. 7. A saddle-type safety barrier device for GIS combined electrical appliances according to claim 4, characterized in that: said saddle-type barrier net (10) is provided with a safety warning sign (14), and the safety warning sign (14) The words "stop, high voltage danger" are marked on it to remind operators to stay away from the danger zone.