Product Description

Product Description

Vehicle Demolition Tool Cordless Electro-hydraulic Two-staged Jack/Ram R-420 E(Non-waterproof)
Scope of application:
1. Various accidents, traffic accident rescue, earthquake, building collapse and other disaster rescue.
2. Used to support the object by holding the top and lift the top,and prevent the object moving to keep the weight stable.
3. The supporting length can be extended by replacing the top head.
Product features:
1. Efficient lithium electric power design, built-in electro-hydraulic system, stable power output.
2. Equipped with a three-speed power indicator function, the control valve is a star-shaped handle, only 1 hand operation can be done. Configuration: Charger *1, strap *1, battery *2
Hydraulic rescue kit( hydraulic cutter, hydraulic spreading cutter, hydraulic spreader, hydraulic telescopic ram, high-pressure motor pump), is specially designed for traffic accidents. the vehicle extrication kit contains everything that you need. All of the tools have adequate reserves to cope with modern types of vehicles.

Product Parameters

 

Product name Amphibious Electro-hydraulic Two-staged Jack/Ram Electro-hydraulic Two-staged Jack/Ram
 Model R-420 E2 R-420 E
Battery DC28V 5.6Ah
Rated pressure 720bar
Jacking force 58-141KN
Retracted length 539mm
1 Stroke 1st Pluger 390mm
2 Stroke 2nd Pluger 360mm
Extension rod length 539-1289mm
Protection class Waterproof Class IP68 (It can be normally used under 5 meters of water and the battery can be inserted and removed) Non-waterproof
Gross weight 36.38kg
Net weight 21.38kg
Outer Size 1571x425x370mm
Machine Size 539x145x370mm
Certificate CE

Detailed Photos

Application Scenarios

Company Introduction

ROSPER(HangZhou)TECHNOLOGY CO., LTD is  the metal products and tools for construction and firefighting&rescure protection Manufacturer&Trader.The products scopes:Firefighting&Rescure Products,Hydraulic power machinery and components,widely used in fire, police, security, mining, earthquake bureau, steel, airport, renewable energy and other departments and fields. The materials and manufacturing processes of key components are purchased and produced according to military standards. We also work with the top company who equipped with domestic first-class production equipment and complete testing equipment with high quality and innovative technology as the purpose, to design, research and develop the fire rescue demolition products to suitable for different use scenarios,to provide full guarantee for product quality.
We are committed to putting people first and achieving safe and efficient rescue.

FAQ

1.Are you a trading company or manufacturer?
Prosper is a manufacturer&trader,specialized in the research, development and production of metal products and machines&tools.

2.Can you provide OEM service?
Yes, we can do OEM,ODM,Customization.

3.The price that you offer me, could be more discount?
It will be depended on order quantity.

4.What is your shipping way ?
 By express (DHL,Fedex,TNT),by air ,or sea. We will choose the best way according to customers requirement.

5.Whats the International Commercial Terms(Incoterms)?
  EXW,FOB, CFR, CIF,DDU,DDP.

6.How about the delivery time?
Normally 3-25 days after receiving the advance payment. Samples will be prepared within 1-7 days.

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Application: Emergency Rescue/Vehicle Demolition etc.
Using Field: Traffic Accident/Earthquake/Building Collapse etc.
Suitable for: Fire-Fighting/Traffic/Rescue Team etc.
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

hydraulic cylinder

How does a hydraulic ram contribute to efficient and powerful force generation?

A hydraulic ram utilizes specific design principles and mechanisms to generate efficient and powerful forces. Here’s a detailed explanation:

1. Water Hammer Effect: The hydraulic ram harnesses the water hammer effect to generate powerful forces. When water flows into the ram during the drive phase, it gains velocity and momentum. As the water reaches a certain pressure threshold, the valve mechanism rapidly closes, creating a water hammer effect. This sudden closure of the valve generates a high-pressure pulse that propels a portion of the water to a higher elevation, producing a powerful force.

2. Momentum Transfer: The hydraulic ram efficiently transfers the momentum of flowing water to generate force. The momentum of the moving water is converted into mechanical work as the water hammer effect occurs. By utilizing the kinetic energy of the water, the hydraulic ram maximizes the efficiency of force generation.

3. Energy Recovery: One of the key features of a hydraulic ram is its ability to recover and reuse energy. As the water hammer effect occurs and the high-pressure pulse lifts a portion of the water, the remaining water in the ram’s drive pipe decelerates. This deceleration allows the kinetic energy of the water to be converted back into potential energy, which can be used to pump a new cycle of water. This energy recovery mechanism enhances the overall efficiency of the hydraulic ram.

4. Mechanical Advantage: A hydraulic ram incorporates mechanical advantage through its design. The valve mechanism and other components are optimized to multiply the force generated by the water hammer effect. By leveraging mechanical advantage, the hydraulic ram can produce a more powerful force output compared to the input force from the flowing water.

5. Self-Sustaining Operation: A hydraulic ram operates in a self-sustaining manner, requiring minimal external power sources. Once the ram is set up and primed with water, it can continue to operate using the energy of flowing water. This self-sustainability contributes to the efficiency of force generation, as it eliminates the need for continuous external energy input.

6. Simple and Robust Design: The design of a hydraulic ram is relatively simple and robust, enabling efficient force generation. The absence of complex components reduces friction and energy losses. Additionally, the robust design ensures durability and long-term reliability, making hydraulic rams suitable for various applications.

Through the water hammer effect, momentum transfer, energy recovery, mechanical advantage, self-sustaining operation, and a simple yet robust design, a hydraulic ram maximizes the efficiency and power of force generation. These features make hydraulic rams an effective and reliable choice for pumping water and harnessing hydraulic power.

hydraulic cylinder

How does a hydraulic ram handle variations in hydraulic hose technology?

A hydraulic ram is designed to handle variations in hydraulic hose technology. Here’s a detailed explanation:

1. Compatibility: Hydraulic rams are designed to be compatible with various types of hydraulic hoses available in the market. Hydraulic hoses come in different sizes, materials, and specifications, and hydraulic ram manufacturers ensure that their products can accommodate these variations. The hydraulic ram’s connectors, fittings, and seals are designed to match standard hydraulic hose sizes and connections, allowing for easy integration and compatibility.

2. Pressure Ratings: Hydraulic hoses have specific pressure ratings that indicate the maximum pressure they can withstand. Hydraulic rams are engineered to operate within the pressure limits specified by the hydraulic hoses. The hydraulic ram’s components, such as seals and cylinders, are designed and selected to handle the maximum pressure rating of the hydraulic hose to ensure safe and reliable operation. This consideration allows hydraulic rams to effectively handle variations in hydraulic hose technology.

3. Flexibility and Bend Radius: Hydraulic hoses can have different levels of flexibility and bend radius based on their construction and materials. Hydraulic rams are designed to accommodate the flexibility and bend radius requirements of the hydraulic hoses they are used with. The hydraulic ram’s design includes provisions for hose routing, allowing for proper hose installation without excessive bending or strain. By considering the flexibility and bend radius of hydraulic hoses, hydraulic rams ensure optimal performance and longevity of the hose assemblies.

4. Fluid Compatibility: Hydraulic hoses are designed to handle specific types of hydraulic fluids, such as mineral oil-based fluids or synthetic fluids. Hydraulic rams are constructed using materials compatible with a wide range of hydraulic fluids. The seals and other components in the hydraulic ram are selected to withstand the chemical properties of the hydraulic fluid used. This compatibility ensures that the hydraulic ram can handle variations in hydraulic hose technology without compromising performance or causing fluid leaks.

5. Industry Standards: Hydraulic hose technology is governed by industry standards and specifications. Hydraulic ram manufacturers adhere to these standards to ensure compatibility and safety. Common standards, such as SAE (Society of Automotive Engineers) or ISO (International Organization for Standardization), provide guidelines for hydraulic hose dimensions, pressure ratings, and performance requirements. Hydraulic rams are designed and manufactured in accordance with these standards to ensure reliable and consistent performance across different hydraulic hose technologies.

In summary, hydraulic rams are designed to handle variations in hydraulic hose technology through compatibility with different hose sizes and connections, consideration of pressure ratings, flexibility and bend radius requirements, fluid compatibility, and adherence to industry standards. These design considerations ensure that hydraulic rams can effectively and safely operate with various hydraulic hose technologies in different applications.

hydraulic cylinder

What are the components and parts of a hydraulic ram?

A hydraulic ram consists of several key components and parts. Here’s a detailed explanation:

1. Drive Pipe: The drive pipe is the inlet pipe through which the flowing water enters the hydraulic ram. It is connected to a water source, such as a stream or a river, and carries the water that provides the energy for the hydraulic ram.

2. Delivery Pipe: The delivery pipe is the outlet pipe through which the water is pumped to the desired destination at a higher elevation. It carries the lifted water away from the hydraulic ram.

3. Valve: The valve controls the flow of water within the hydraulic ram. It is responsible for allowing the water to enter the ram during the drive phase and closing to create the water hammer effect during the delivery phase. The valve’s opening and closing are crucial for the hydraulic ram’s operation.

4. Air Vessel: The air vessel, also known as the air chamber or air dome, is a chamber that contains compressed air. It acts as an accumulator and helps maintain a constant flow of water by absorbing pressure fluctuations during the operation of the hydraulic ram. The compressed air in the air vessel provides a cushioning effect and contributes to the overall efficiency of the ram.

5. Waste Valve: Some hydraulic ram designs include a waste valve. The waste valve is an optional component that allows excess water or air to escape from the hydraulic ram if the pressure becomes too high. It helps protect the ram from damage caused by excessive pressure build-up.

6. Seals and Gaskets: Seals and gaskets are essential components that prevent leakage of water or air from the hydraulic ram. They ensure the proper functioning and efficiency of the ram by maintaining the necessary pressure differentials and preventing loss of energy.

7. Frame and Mounting: The hydraulic ram is typically housed within a sturdy frame or housing that provides support and protection for the components. The frame also serves as a mounting point for installation, securing the ram in the desired location.

8. Control Mechanism (Optional): Some hydraulic ram systems may incorporate a control mechanism, such as a lever or float, to regulate the operation of the ram. This mechanism allows manual or automatic control over the valve opening and closing, providing additional flexibility and adjustability.

These components work together to enable the hydraulic ram to harness the energy of flowing water and pump a portion of that water to a higher elevation without the need for external power sources.

China Standard Prosper Emergency Rescue Cordless Electro-Hydraulic Two-Stage Jack/RAM R-420 E   with Great quality China Standard Prosper Emergency Rescue Cordless Electro-Hydraulic Two-Stage Jack/RAM R-420 E   with Great quality
editor by CX 2024-03-06