What are the power safety tools and what knowledge is there about the power safety tools?

Electrical safety equipment is divided into four categories: personal protective equipment, insulating safety equipment, height climbing equipment, safety fences (nets) and signboards.

1. Personal protective equipment

Personal protective equipment refers to safety equipment used to protect the human body from acute injury, including safety helmets, protective glasses, self-priming filter gas masks, Positive pressure fire-fighting air respirator, safety belt, safety rope, connector, speed difference automatic controller, guide rail self-locking device, buffer, safety net, electrostatic protective clothing, anti-arc clothing, acid-resistant clothing, SF6 protective clothing, acid-resistant gloves , acid-resistant boots, conductive shoes (anti-static shoes), personal security cords, SF6 gas leak detectors, oxygen content testers and harmful gas detectors, etc.

1. Safety helmets protect the human head from injuries caused by falling objects and other specific factors. It consists of a hat shell, a hat lining, a chin strap and accessories.

2. Protective glasses are protective equipment used to protect workers from arc burns and prevent foreign objects from falling into the eyes when performing maintenance work and maintaining electrical equipment.

3. Self-priming filter gas masks are respirators used in aerobic environments.

4. Positive pressure fire-fighting air breathing apparatus is a respirator used in an oxygen-free environment.

5. Safety belts are individual protective equipment used to prevent workers from falling or to safely suspend workers after a fall. They are generally divided into pole safety belts, area restriction safety belts and fall suspension safety belts. bring.

(1) The safety belt for pole work is a safety belt that binds the human body near the fixed structure through a rope or belt around the fixed structure, so that the operator's hands can perform other operations.

(2) Area restriction safety belts are safety belts used to limit the range of activities of workers and prevent them from reaching areas where falls may occur.

(3) The fall suspension safety belt refers to the safety belt used to safely suspend workers when working at heights or climbing high.

6. The safety rope is the rope (belt, wire rope, etc.) that connects the safety belt and the hanging point. It is generally divided into safety ropes for pole operations, safety ropes for area restrictions, and safety ropes for fall suspension. .

7. A connector is a ring-shaped part that can connect two or more components together and has a normally closed valve.

8. The speed difference automatic controller is installed on the hanging point, equipped with a retractable length of rope (belt, wire rope), connected in series between the safety belt strap and the hanging point, and when falling A device that triggers braking action due to changes in speed.

9. The guide rail self-locking device is attached to a rigid or flexible guide rail and can slide along the guide rail as the user moves, and is a device that triggers braking due to falling movements.

10. The buffer is a device connected in series between the safety belt strap and the hanging point to absorb part of the impact energy and reduce the impact force when a fall occurs.

11. Safety net is used to prevent people and objects from falling, or to avoid and reduce the damage caused by falls and objects. Safety nets generally consist of net body, side ropes, tethers and other components. Safety nets can be divided into flat nets, vertical nets and dense mesh safety nets.

12. Static protective clothing is a garment made of conductive materials and textile fibers blended into cloth. It is used to protect line and substation inspections and ground potential workers from the impact of AC high-voltage electric fields.

13. Arc-proof clothing is a kind of protective clothing made of insulating and protective layers to protect the wearer's body. It is used to reduce or avoid the large amount of thermal energy radiation and splash melting emitted when an arc occurs. object damage.

14. Acid-resistant clothing is work clothing with acid-resistant properties suitable for workers who are engaged in contact with and preparing acid substances. It is made of acid-resistant fabrics or acid-resistant fabrics such as rubber and plastic. Acid-resistant clothing can be divided into two categories: breathable acid-resistant clothing and non-breathable acid-resistant clothing according to the properties of the materials.

15. SF6 protective clothing is to protect the personal safety of personnel engaged in the installation, commissioning, operation and maintenance, testing, and maintenance of SF6 electrical equipment while working on site, and to prevent workers from being exposed to hydrofluoric acid, sulfur dioxide, and low fluoride. harm caused by toxic and harmful substances. SF6 protective clothing includes one-piece protective clothing, SF6 special gas masks, SF6 special poison filter tanks, work gloves and work shoes, etc.

16. Acid-resistant gloves are protective gloves to prevent acid and alkali damage to the hands.

17. Acid-resistant boots are made of waterproof leather, plastic, rubber, etc., and are equipped with acid-resistant soles that are molded, vulcanized or injection molded. They have acid-proof properties and are suitable for feet exposed to acid solution splashes. Protective shoes to protect feet from injury when splashed onto feet.

18. Conductive shoes (anti-static shoes) are made of special performance rubber and are suitable for non-live operations on (220-500) kV electrified poles and (330-500) kV electrified equipment areas. Prevent electrostatic induction voltage by wearing shoes.

19. Personal security wire is a personal grounding device used to prevent induced voltage hazards.

20. The SF6 gas leak detector is a special instrument used to measure the SF6 gas content during on-site maintenance of insulated electrical equipment.

21. Oxygen content tester and harmful gas detector are instruments used to detect oxygen and harmful gas content at work sites (such as pit entrances, tunnels, etc.) to prevent poisoning accidents.

22. Fire-resistant clothing is protective clothing worn by firefighters and high-temperature workers when working near fire. It is used to insulate and protect their upper and lower torsos, heads, hands and feet.

23. Life jackets, life buoys and other life-saving equipment used for water operations.

2. Insulation safety equipment

Insulation safety equipment is divided into basic insulation safety equipment, live work safety equipment and auxiliary insulation safety equipment.

(1) Basic insulated safety equipment

Basically insulated safety equipment refers to equipment that can directly operate live devices and contact or may come into contact with live bodies, most of which are live Special insulating safety equipment for work, including capacitive electroscopes, portable short-circuit grounding wires, insulating rods, phase nuclear devices, insulating shields, insulating partitions, insulating ropes and insulating clamps, etc.

1. A capacitive electroscope is a device that indicates the presence of voltage by detecting the current flowing through the stray capacitance of the electroscope to ground.

2. The portable short-circuit grounding wire is a temporary grounding device used to prevent equipment and lines from sudden calls, eliminate induced voltages, and discharge remaining charges.

3. Insulating rods are rod-type insulating tools made of insulating materials that are used to operate or measure live equipment in a short period of time, including insulating operating rods, height measuring rods, insulated support and suspension rods, etc. .

4. The phase checker is a device used to check whether the equipment and electrical circuits to be connected have the same phase. Including wired phase detectors and wireless phase detectors.

5. The insulating shield is made of insulating materials and serves as a shield or isolation to prevent direct contact between workers and live objects.

6. Insulating partitions are insulating plates made of insulating materials that are used to isolate live parts, limit the scope of movement of workers, and prevent access to high-voltage live parts. Insulating partitions, also known as insulating baffles, generally should have high insulation performance. They can be in direct contact with live parts of 35kV and below and serve as temporary barriers.

7. Insulation rope is a rope made of natural fiber materials or synthetic fiber materials with good electrical insulation properties.

8. Insulation clamps are insulation operating pliers used to install and remove high-voltage fuses or perform other similar tasks.

(2) Insulated safety equipment for live work

Safety equipment for live work refers to tools used for various operations on live devices or close to live parts. Appliances, especially any part of the worker's body or tools, devices or instruments used in all operations to enter a restricted live work area, including insulating helmets for live work, insulating clothing, shielding clothing, insulation for live work Gloves, insulating boots (shoes) for live work, insulating mats for live work, insulating blankets for live work, insulated hard ladders for live work, insulated bottle racks, insulating ropes (rope tools) for live work, insulated soft ladders, live Insulating pulleys for work and wire lifting tools for live work, etc.

1. A safety helmet for live work is made of insulating material, has a neck strap and a removable head, and is used to prevent workers from getting electric shock on their heads during live work.

2. Insulating clothing is made of insulating materials and is used to prevent workers from getting electric shock when working with electricity.

3. Shielding clothing is made of natural or synthetic materials, with conductive fibers completely woven inside, and is used to protect workers from the impact of electric fields when working with equal potentials.

4. Insulating gloves for live work are made of insulating rubber or insulating synthetic materials and are used to prevent workers' hands from getting electric shock during live work.

5. Insulated boots (shoes) for live work are made of insulating materials with anti-slip soles and are used to prevent workers' feet from getting electric shock during live work.

6. Insulating mats for live work are made of insulating materials and laid on the ground or grounded objects to protect workers from electric shock.

7. Insulating blankets for live work are made of insulating materials to protect workers from electric shock when they unintentionally touch live objects and to prevent short circuits between electrical equipment.

8. The insulated hard ladder for live work is made of insulating materials and is used for climbing work during live work.

9. The insulating bottle rack is composed of insulating tubes or rods and is used to operate the insulator string.

10. Insulating ropes (rope tools) for live work are ropes (rope tools) made of insulating materials.

11. The insulated ladder is composed of insulating ropes and insulating tubes and is a tool used for live climbing operations.

12. Insulating pulleys for live operations are fully insulated or partially insulated tools used to guide ropes or bear loads during live operations.

13. The wire lifting tool for live work is a tool used to replace the linear insulator string in live work, bear the mechanical load and electrical insulation strength of the wire, and lift the wire.

(3) Auxiliary insulation safety equipment

Auxiliary insulation safety equipment means that the insulation strength does not withstand the working voltage of the equipment or lines, but is only used to enhance the security of the basic insulation equipment. Function to prevent contact voltage, step voltage, leakage current and arc from harming the operator. Do not use auxiliary insulation safety equipment to directly contact live parts of high-voltage equipment. Including auxiliary insulating gloves, auxiliary insulating boots (shoes) and auxiliary insulating rubber pads.

1. Auxiliary insulating gloves are gloves made of special rubber and serve as electrical auxiliary insulation.

2. Auxiliary insulation boots (shoes) are made of special rubber and are used for auxiliary insulation between the human body and the ground.

3. The auxiliary insulating rubber pad is a rubber plate made of special rubber and used to strengthen the auxiliary insulation of workers to the ground.

3. Height-climbing tools

Height-climbing tools are tools used for climbing operations and temporary high-altitude operations, including foot buckles, lifting boards (climbing boards), ladders, and fasteners. Install scaffolding and maintenance platforms, etc.

1. A foot buckle is a tool made of steel or alloy material for climbing electric poles.

2. Lift board (climbing board) is a tool for climbing electric poles consisting of foot pedals, hanging ropes and hooks.

3. A ladder is a device that includes steps or pedals for people to get up and down. It is generally divided into bamboo (wood) ladders, aluminum alloy and composite material ladders.

4． Ladders are tools used for working at heights and climbing.

5. Quick-installation scaffolding refers to an aerial work platform whose overall structure adopts a "building block" combination design, with standardized components and made of composite materials. It does not require any installation tools and can be built with bare hands in a short time.

6. The maintenance platform is divided into disassembly type and lifting type according to its function. The disassembly type maintenance platform can be divided into single column type, platform plate type and ladder type according to the type. It is used to be fixed on the base of frame equipment during substation maintenance. It is an auxiliary device for climbing operations and protection. The lifting maintenance platform is a working platform that is used for one or several people to climb and stand, and has a lifting function.

4. Safety fence (net) and signs

Safety fence (net) includes safety fences, safety fences and red curtains made of various materials, and signs Including various safety warning signs, equipment signs, traffic cones, warning tapes, etc.