Product Description
China Manufacturer Mining Dump Truck Spare Parts Front Rear Ride Oil Suspension Nitrogen Hydraulic Cylinder Made in China
Product Description:
Widely used in equipment for Coal&mine,Engineering.
Special structural design, high-strength material use, and special heat treatment and welding processes ensure that the oil cylinder has extremely high fatigue durability under high pressure and heavy load.
The front and rear suspension cylinders can be analyzed and calculated based on the parameters provided by customers, and the stiffness and damping curves required by customers can be designed.
The surface of the piston rod adopts special surface treatment to ensure excellent wear and corrosion resistance of the piston rod.
Select heavy-duty sealing rings to meet the harsh working conditions of the mining area, ensuring excellent dustproof and sealing performance of the oil cylinder.
Select a wide series and high bearing capacity integrated guide ring, with strong lateral force resistance.
The interior of the lifting cylinder can be designed with a buffer structure to avoid excessive impact during lifting and lowering processes.
The steering cylinder can be equipped with a built-in displacement sensor to monitor the cylinder stroke in real-time.
The piston accumulator adopts a dual piston design, with high and low pressure chambers to meet various road conditions.
The reliable sealing structure design of the piston accumulator ensures the separation of oil and gas.
Product Display:
Front suspension cylinder for mining dump truck
Rear suspension cylinder for mining dump truck
Specifications:
| Item | Specifications |
| Bore Diameter | 150mm-450mm,Customized |
| Rod Diameter | 120mm-400mm,Customized |
| Stroke | 200-500mm,Customized |
| Working Pressure | 7-45Mpa,Customized |
| Surface treatment of piston rod | HaHard Chrome Plating,Electroplated Milky White Chromium+Hard Chromium,Nickel Plating+Hard Chromium Plating,High-Velocity Oxygen-Fuel CrC NiC,Ceramic Coating,Nitriding,Laser Cladding |
| Tube&Barrel | High tensile cold drawn tube, precision honed for extended seal life |
| Seal Type | Parker,NOK, Hallite GAPI or as customer's requirement |
| Certificate | ISO9001,CE,SGS. |
| Colour | Yellow,Red,Black,Pink,Customized |
| Packaging | metal case;plywood case;carton or as requirement |
| MOQ | 1pcs,According to products |
| Brand | tianjian or customer's logo |
| Service | OEM & ODM |
| Production Time | Based on order quantity. normally 30-45days. |
| Price Advantage | Competitive factory price with guaranteed quality |
| Business Type | Manufacturer |
Mounting Method:
Appliactions:Mining Dump Truck
Our Factory:
Inspection Process:
| Inspection Type | Inspection Standard |
| Raw Material Inspection | Before storage, QC takes the measurement of the raw materials. |
| Process Material Inspection | During the production, QCs conduct a random inspection. Before the hydraulic cylinder parts transferred to the next process, QCs takes inspection. |
| Final Function Testing | All the hydraulic cylinders take hydraulic function test |
Packing & Delivery:
About US:Certificates
ZheJiang Tianjian Hydraulic Technology Co.,Ltd is specializing in the production of various types of hydraulic cylinders as well as cylinder barrel, piston cylinder and other cylinder accessories.
As a highly specialized manufacturer of hydraulic cylinders, tianjian provides design optimization solutions and reliable products to many customers at home and abroad. No matter in construction machinery, railway bridge machinery, port ship machinery, metallurgy and mining machinery, oil and light industry machinery, special vehicles and other industries, tianjian can provide various standard and non-standard hydraulic cylinder design optimization schemes and products according to users' requirements, and provide integrated services for perfection and quality.
Our Customers
If possible, when contact with us, please apply information as below
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Bore |
Rod |
Stroke |
Work Pressure |
Mounting |
Work environment |
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Or you can offer us your sketch diagram or photos so that we could understand you exactly meaning, help us avoid mistakes.
And if you have samples, we can manufacture according to your samples after sending to us.
Welcome to our factory if you have any time.
Your satisfaction is our biggest motivation.
Now, you can contact with us for any question or inquiry.
FAQ:
1, What does your company do?
A: we are a supplier of high quality hydraulic products including Hydraulic Cylinder, Hydraulic Motor, Hydraulic Power Pack, Hydraulic station and other Hydraulic components.
2, Are you a manufacture or a trading company?
A: We are a manufacturer.
3, What certificate do you have?
A: All our factories are ISO certificated. And our main suppliers of materials and parts are with CE, RoHS, CSA and UL certificates.
4, How long is your delivery time?
A: The delivery time depends on different products and quantity. The cylinder usually need about 45-60 days and the Motor need about 30-50days.
5, Can you make parts as customer's requirement or drawing?
A: Yes, we can OEM for you as your drawings. Our engineer also can give you professional support for technical suggestions.
6, What kind of payment terms do you accept?
A: We prefer T/T through bank. 30% when order is confirmed and 70% before shipment. L/C is also acceptable for amount over 20,000USD.
7, What is your warranty policy?
A: All our products are warranted for 1 full year from date of delivery against defects in materials and workmanship. This warranty does not cover parts that are worn out through the course of normal operation or are damaged through negligence. We serious remind that unclean hydraulic oil will definitely cause damage to your Hydraulic components. And this damage is not included in the warranty range. So we strongly suggest you to use new clean oil or make sure the system oil are clean when using our parts.
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| Certification: | GS, RoHS, CE, ISO9001 |
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| Pressure: | Medium Pressure |
| Work Temperature: | High Temperature |
| Acting Way: | Double Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Samples: |
US$ 3000/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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How do hydraulic cylinders compare to other methods of force generation like electric motors?
Hydraulic cylinders and electric motors are two different methods of force generation with distinct characteristics and applications. While both hydraulic cylinders and electric motors can generate force, they differ in terms of their working principles, performance attributes, and suitability for specific applications. Here's a detailed comparison of hydraulic cylinders and electric motors:
1. Working Principle:
- Hydraulic Cylinders: Hydraulic cylinders generate force through the conversion of fluid pressure into linear motion. They consist of a cylinder barrel, piston, piston rod, and hydraulic fluid. When pressurized hydraulic fluid enters the cylinder, it pushes against the piston, causing the piston rod to extend or retract, thereby generating linear force.
- Electric Motors: Electric motors generate force through the conversion of electrical energy into rotational motion. They consist of a stator, rotor, and electromagnetic field. When an electrical current is applied to the motor's windings, it creates a magnetic field that interacts with the rotor, causing it to rotate and generate torque.
2. Force and Power:
- Hydraulic Cylinders: Hydraulic cylinders are known for their high force capabilities. They can generate substantial linear forces, making them suitable for heavy-duty applications that require lifting, pushing, or pulling large loads. Hydraulic systems can provide high force output even at low speeds, allowing for precise control over force application. However, hydraulic systems typically operate at lower speeds compared to electric motors.
- Electric Motors: Electric motors excel in providing high rotational speeds and are commonly used for applications that require rapid motion. While electric motors can generate significant torque, they tend to have lower force output compared to hydraulic cylinders. Electric motors are suitable for applications that involve continuous rotary motion, such as driving conveyor belts, rotating machinery, or powering vehicles.
3. Control and Precision:
- Hydraulic Cylinders: Hydraulic systems offer excellent control over force, speed, and positioning. By regulating the flow of hydraulic fluid, the force and speed of hydraulic cylinders can be precisely controlled. Hydraulic systems can provide gradual acceleration and deceleration, allowing for smooth and precise movements. This level of control makes hydraulic cylinders well-suited for applications that require precise positioning, such as in industrial automation or construction equipment.
- Electric Motors: Electric motors also offer precise control over speed and positioning. Through motor control techniques such as varying voltage, frequency, or pulse width modulation (PWM), the rotational speed and position of electric motors can be accurately controlled. Electric motors are commonly used in applications that require precise speed control, such as robotics, CNC machines, or servo systems.
4. Efficiency and Energy Consumption:
- Hydraulic Cylinders: Hydraulic systems can be highly efficient, especially when properly sized and designed. However, hydraulic systems typically have higher energy losses due to factors such as fluid leakage, friction, and heat generation. The overall efficiency of a hydraulic system depends on the design, component selection, and maintenance practices. Hydraulic systems require a hydraulic power unit to pressurize the hydraulic fluid, which consumes additional energy.
- Electric Motors: Electric motors can have high efficiency, especially when operated at their optimal operating conditions. Electric motors have lower energy losses compared to hydraulic systems, primarily due to the absence of fluid leakage and lower friction losses. The overall efficiency of an electric motor depends on factors such as motor design, load conditions, and control techniques. Electric motors require an electrical power source, and their energy consumption depends on the motor's power rating and the duration of operation.
5. Environmental Considerations:
- Hydraulic Cylinders: Hydraulic systems typically use hydraulic fluids that can pose environmental concerns if they leak or are not properly disposed of. The choice of hydraulic fluid can impact factors such as biodegradability, toxicity, and potential environmental hazards. Proper maintenance and leak prevention practices are essential to minimize the environmental impact of hydraulic systems.
- Electric Motors: Electric motors are generally considered more environmentally friendly since they do not require hydraulic fluids. However, the environmental impact of electric motors depends on the source of electricity used to power them. When powered by renewable energy sources, such as solar or wind, electric motors can offer a greener solution compared to hydraulic systems.
6. Application Suitability:
- Hydraulic Cylinders: Hydraulic cylinders are commonly used in applications that require high force output, precise control, and durability. They are widely employed in industries such as construction, manufacturing, mining, and aerospace. Hydraulic systems are well-suited for heavy-duty applications, such as lifting heavy objects, operating heavy machinery, or controlling large-scale movements.
- Electric Motors: Electric motors are widely used in various industries and applications that require rotational motion, speed control, and precise positioning. They are commonly found in appliances, transportation, robotics, HVAC systems, and automation. Electric motorsare suitable for applications that involve continuous rotary motion, such as driving conveyor belts, rotating machinery, or powering vehicles.In summary, hydraulic cylinders and electric motors have different working principles, force capabilities, control characteristics, efficiency levels, and application suitability. Hydraulic cylinders excel in providing high force output, precise control, and durability, making them ideal for heavy-duty applications. Electric motors, on the other hand, offer high rotational speeds, precise speed control, and are commonly used for applications that involve continuous rotary motion. The choice between hydraulic cylinders and electric motors depends on the specific requirements of the application, including the type of motion, force output, control precision, and environmental considerations.
Ensuring Controlled and Safe Force Application in Heavy Machinery with Hydraulic Cylinders
Hydraulic cylinders play a critical role in heavy machinery by ensuring controlled and safe force application. The ability to exert and control high forces is essential for heavy machinery operations, such as lifting, pressing, pushing, or pulling heavy loads. Let's explore how hydraulic cylinders ensure controlled and safe force application in heavy machinery:
- Force Control: Hydraulic cylinders provide precise force control capabilities. The hydraulic system's pressure can be adjusted to regulate the force exerted by the cylinder. This control allows operators to apply the necessary force for a specific task while ensuring it remains within safe limits. By accurately controlling the force, hydraulic cylinders help prevent excessive force that could damage the machinery or compromise the safety of the operation.
- Load Balancing: In heavy machinery, multiple hydraulic cylinders are often used in conjunction to distribute and balance the applied force. By using multiple cylinders, the load can be evenly distributed across the machinery, minimizing stress concentrations and ensuring controlled force application. This load balancing approach enhances the stability and safety of the machinery, preventing uneven loading that could lead to structural issues or instability.
- Safety Valves: Hydraulic systems in heavy machinery are equipped with safety valves to protect against excessive force or overloading. Safety valves are designed to release hydraulic fluid from the cylinder when the force exceeds a predetermined threshold. This prevents the force from reaching dangerous levels, safeguarding the machinery and preventing potential accidents or damage. Safety valves provide an additional layer of safety and ensure controlled force application even in unexpected circumstances.
- Pressure Relief Systems: Hydraulic cylinders incorporate pressure relief systems to further enhance safety. These systems are designed to relieve excess pressure in the hydraulic system, which could occur due to factors such as thermal expansion or system malfunctions. By relieving excess pressure, the pressure relief systems prevent sudden and uncontrolled force surges, maintaining safe and controlled force application in heavy machinery.
- Structural Integrity: Hydraulic cylinders are designed to withstand the high forces and loads associated with heavy machinery applications. The cylinders are constructed using robust materials, such as high-strength steel, and undergo rigorous testing to ensure their structural integrity. This ensures that the cylinders can safely handle the forces applied during heavy machinery operations without experiencing failures or deformations that could compromise the safety and controlled force application.
In summary, hydraulic cylinders ensure controlled and safe force application in heavy machinery through force control, load balancing, safety valves, pressure relief systems, and robust structural design. These features and design considerations enable operators to exert the necessary force while maintaining safety and preventing excessive loads or force surges. By incorporating hydraulic cylinders into heavy machinery, manufacturers can achieve controlled force application, enhance operational safety, and protect the machinery from damage or failure.
How do hydraulic cylinders generate force and motion using hydraulic fluid?
Hydraulic cylinders generate force and motion by utilizing the principles of fluid mechanics, specifically Pascal's law, in conjunction with the properties of hydraulic fluid. The process involves the conversion of hydraulic energy into mechanical force and linear motion. Here's a detailed explanation of how hydraulic cylinders achieve this:
1. Pascal's Law:
- Hydraulic cylinders operate based on Pascal's law, which states that when pressure is applied to a fluid in a confined space, it is transmitted equally in all directions. In the context of hydraulic cylinders, this means that when hydraulic fluid is pressurized, the force is evenly distributed throughout the fluid and transmitted to all surfaces in contact with the fluid.
2. Hydraulic Fluid and Pressure:
- Hydraulic systems use a specialized fluid, typically hydraulic oil, as the working medium. This fluid is stored in a reservoir and circulated through the system by a hydraulic pump. The pump pressurizes the fluid, creating hydraulic pressure that can be controlled and directed to various components, including hydraulic cylinders.
3. Cylinder Design and Components:
- Hydraulic cylinders consist of several key components, including a cylindrical barrel, a piston, a piston rod, and various seals. The barrel is a hollow tube that houses the piston and allows for fluid flow. The piston divides the cylinder into two chambers: the rod side and the cap side. The piston rod extends from the piston and provides a connection point for external loads. Seals are used to prevent fluid leakage and maintain hydraulic pressure within the cylinder.
4. Fluid Input and Motion:
- To generate force and motion, hydraulic fluid is directed into one side of the cylinder, creating pressure on the corresponding surface of the piston. This pressure is transmitted through the fluid to the other side of the piston.
5. Force Generation:
- The force generated by a hydraulic cylinder is a result of the pressure applied to a specific surface area of the piston. The force exerted by the hydraulic cylinder can be calculated using the formula: Force = Pressure × Area. The area is determined by the diameter of the piston or the piston rod, depending on which side of the cylinder the fluid is acting upon.
6. Linear Motion:
- As the pressurized hydraulic fluid acts on the piston, it generates a force that moves the piston in a linear direction within the cylinder. This linear motion is transferred to the piston rod, which extends or retracts accordingly. The piston rod can be connected to external components or machinery, allowing the generated force to perform various tasks, such as lifting, pushing, pulling, or controlling mechanisms.
7. Control and Regulation:
- The force and motion generated by hydraulic cylinders can be controlled and regulated by adjusting the flow of hydraulic fluid into the cylinder. By regulating the flow rate, pressure, and direction of the fluid, the speed, force, and direction of the cylinder's movement can be precisely controlled. This control allows for accurate positioning, smooth operation, and synchronization of multiple cylinders in complex machinery.
8. Return and Recirculation of Fluid:
- After the hydraulic cylinder completes its stroke, the hydraulic fluid on the opposite side of the piston needs to be returned to the reservoir. This is typically achieved through hydraulic valves that control the flow direction, allowing the fluid to return and be recirculated in the system for further use.
In summary, hydraulic cylinders generate force and motion by utilizing the principles of Pascal's law. Pressurized hydraulic fluid acts on the piston, creating force that moves the piston in a linear direction. This linear motion is transferred to the piston rod, allowing the generated force to perform various tasks. By controlling the flow of hydraulic fluid, the force and motion of hydraulic cylinders can be precisely regulated, contributing to their versatility and wide range of applications in machinery.
editor by CX 2024-01-17