Product Description
Factory price 5 Tons Mini Hydraulic SQ5S3 Telescopic Truck Mounted Crane Manufacturer HBQZ Construction Machinery
Part 1—–PRODUCT DETAILS
Pictures show:
Technical information
| Model # | SQ5S3 /telescopic crane 5ton at 2.5m |
| Max Liftingmoment | 125Kn.m |
| Max Lifting Capacity (kg/m) | 5000/2.5 |
| 3000/3.35 | |
| 1500/6 | |
| 600/9.4 | |
| Max Lifting Height | 11m |
| Working Radius | 9.4m |
| Boom Section | 3 stages |
| Rotation Angle | 360°All Rotaion |
| Working Pressure | 16mpa |
| Rated Oil Flow | 50L/min |
| Oiltank Capacity | 120L |
| Winchtype | Hydraulic |
| Swingtype | Planetary gear reduction. |
| Outrigger | adjustable, Hydraulic operating. |
| Outrigger Span | 2215-5015mm |
| Crane Weight | 2300 kg |
| Installation Space | 950mm |
| Safety Device | Load Indicator, Hydraulic Safety Valve, Counter Balance Valve, Automatic Swing Brake, Hook Safety Device. |
| Material | HG70 |
| Truck for reference | ||
| Truck brand | Xihu (West Lake) Dis.feng (other truck brand can be customized) | |
| Cabin | Driving type: 4×2, Left hand drive (Right hand drive type can be customized) | |
| Color is optional | ||
| Vehicle Main Dimensions | Overall size (L x W x H) | 8535,9000x2500x3650 mm |
| Wheel base | 5100 mm | |
| Cargo Body | 5600x2300x500 mm | |
| Weight in KGS | GVW | 15800 kg |
| Tare weight | 12380 kg | |
| Front axle loading capacity | 5000 kg | |
| Rear axles loading capacity | 10000 kg | |
| Engine | Type | Diesel, 4-stroke direct injection, 6-cylinder in-line with water cooling, turbo-charging and inter-cooling |
| Horse Power | 180HP (132kw) | |
| Max Torque | 650N.m | |
| Emission standard | Euro V | |
| Max Speed | 90 km/h | |
| Gearbox | manual gearbox with 8 forwards & 2 reverses, with PTO | |
| Tire | 10.00R20 tubeless tire, 7 pieces including 1 spare tire | |
Our advantages:
1). Use HG70 international standard high-strength steel to reduce the weight of crane.
2).The boom of the knuckle crane is used hexagonal structure,reducing the lateral.
3).Italian brand of balance valve,hydraulic lock,operated valve,hydraulic pump and other core parts to ensure the micro-mobility,security and stability.
4).CHINAMFG brand oil seal and gasket for hydraulic pump.
5).Brand scanreco remote control operate from Sweden.
Part 2—–OUR COMPANY
ZheJiang BEST CRANE CO.,Ltd is located in the central China in ZheJiang Province.We are a professional truck mounted crane manufacture, mainly engaged in researching, developing and manufacturing truck mounted cranes from 1 ton to 200 tons.
The Company has passed the ISO 9001-2008, and achieved the license of Special Equipment Manufacture Unit.
ZheJiang CRANE is a wholly-owned subsidiary of ZheJiang XIHU (WEST LAKE) DIS.NG TECHNOLOGY CO.,LTD,which is formerly known as China famous hydraulic cylinder manufacture. The Head office XIHU (WEST LAKE) DIS.NG was founed in 2001,the main products include a variety of special hydraulic cylinder.
After years development,XIHU (WEST LAKE) DIS.NG now covers an area of 200,000 Square meters, ownes a registered capital of 1000 million RMB,and 250 million RMB worth of fixed assets .XIHU (WEST LAKE) DIS.NG has established long time cooperation with over 80 big companies like Zoomlion, Fukuda Fortaleza, CHINAMFG Vehicle Group, and so on.
Our company have more than 800 units equipment for mass production.
We can product around 220 thround units per year of hydraulic cylinder and 500 units per year of truck crane.
Our company have more than 150 technical staff, Have more than 10 invention patents and 60 utility patents.
So we can produce custiomed products or develop new products.
Part 3—–EXHIBITION
Our company attend the CANTON FAIR in China twice 1 year since 2014.
And also attend the BAUWA FAIR evevry 2 year.
We also coopearate with our customers for many fair both in China or overseas.
Part 4—–FAQ
1: What kind terms of payment can be accepted?
A: For terms of payment, L/C, T/T, D/A, D/P, Western Union (can be) could accepted
2: How to pack and transport?
A: Nude with safty protection, only crane can be packed into containers for shipment.
And the truck mounted crane can be deliveried with ro-ro ship.
3: How long is the delivery time??
A: 35 days after receiving the deposit.
4: What about the warranty time?
A: 12 months after shipment or 2000 working hours, whichever occuts first.
5. What about the Minimum Order Quantity?
A: 1 unit. For customized products, the MOQ can be Negotiated.
| Certification: | ISO9001 |
|---|---|
| Condition: | New |
| Maximum Lifting Height: | 10-15m |
| Maximum Lifting Weight: | 5-7t |
| Shaft Number: | 2 |
| Crane Jib: | Three-Arm |
| Customization: |
Available
|
|
|---|

How do hydraulic cylinders handle the challenges of precise positioning and control?
Hydraulic cylinders are designed to handle the challenges of precise positioning and control with a combination of engineering principles and advanced control systems. These challenges often arise in applications where accurate and controlled movements are required, such as in industrial automation, construction, and material handling. Here’s a detailed explanation of how hydraulic cylinders overcome these challenges:
1. Fluid Power Control:
– Hydraulic cylinders utilize fluid power control to achieve precise positioning and control. The hydraulic system consists of a hydraulic pump, control valves, and hydraulic fluid. By regulating the flow of hydraulic fluid into and out of the cylinder, operators can control the speed, direction, and force exerted by the cylinder. The fluid power control allows for smooth and accurate movements, enabling precise positioning of the hydraulic cylinder and the attached load.
2. Control Valves:
– Control valves play a crucial role in handling the challenges of precise positioning and control. These valves are responsible for directing the flow of hydraulic fluid within the system. They can be manually operated or electronically controlled. Control valves allow operators to adjust the flow rate of the hydraulic fluid, controlling the speed of the cylinder’s movement. By modulating the flow, operators can achieve fine control over the positioning of the hydraulic cylinder, enabling precise and accurate movements.
3. Proportional Control:
– Hydraulic cylinders can be equipped with proportional control systems, which offer enhanced precision in positioning and control. Proportional control systems utilize electronic feedback and control algorithms to precisely regulate the flow and pressure of the hydraulic fluid. These systems provide accurate and proportional control over the movement of the hydraulic cylinder, allowing for precise positioning at various points along its stroke length. Proportional control enhances the cylinder’s ability to handle complex tasks that require precise movements and control.
4. Position Feedback Sensors:
– To achieve precise positioning, hydraulic cylinders often incorporate position feedback sensors. These sensors provide real-time information about the position of the cylinder’s piston rod. Common types of position feedback sensors include potentiometers, linear variable differential transformers (LVDTs), and magnetostrictive sensors. By continuously monitoring the position, the feedback sensors enable closed-loop control, allowing for accurate positioning and control of the hydraulic cylinder. The feedback information is used to adjust the flow of hydraulic fluid to achieve the desired position accurately.
5. Servo Control Systems:
– Advanced hydraulic systems employ servo control systems to handle the challenges of precise positioning and control. Servo control systems combine electronic control, position feedback sensors, and proportional control valves to achieve high levels of accuracy and responsiveness. The servo control system continuously compares the desired position with the actual position of the hydraulic cylinder and adjusts the flow of hydraulic fluid to minimize any positional error. This closed-loop control mechanism enables the hydraulic cylinder to maintain precise positioning and control, even under varying loads or external disturbances.
6. Integrated Automation:
– Hydraulic cylinders can be integrated into automated systems to achieve precise positioning and control. In such setups, the hydraulic cylinders are controlled by programmable logic controllers (PLCs) or other automation controllers. These controllers receive input signals from various sensors and use pre-programmed logic to command the hydraulic cylinder’s movements. The integration of hydraulic cylinders into automated systems allows for precise and repeatable positioning and control, enabling complex sequences of movements to be executed with high accuracy.
7. Advanced Control Algorithms:
– Advancements in control algorithms have also contributed to the precise positioning and control of hydraulic cylinders. These algorithms, such as PID (Proportional-Integral-Derivative) control, adaptive control, and model-based control, enable sophisticated control strategies to be implemented. These algorithms consider factors such as load variations, system dynamics, and environmental conditions to optimize the control of hydraulic cylinders. By employing advanced control algorithms, hydraulic cylinders can compensate for disturbances and achieve precise positioning and control over a wide range of operating conditions.
In summary, hydraulic cylinders overcome the challenges of precise positioning and control through the use of fluid power control, control valves, proportional control, position feedback sensors, servo control systems, integrated automation, and advanced control algorithms. By combining these elements, hydraulic cylinders can achieve accurate and controlled movements, enabling precise positioning and control in various applications. These capabilities are essential for industries that require high precision and repeatability in their operations, such as industrial automation, robotics, and material handling.

Ensuring Consistent Force Output for Repetitive Tasks with Hydraulic Cylinders
Hydraulic cylinders are designed to ensure consistent force output for repetitive tasks. This consistency is essential for maintaining precise control, achieving uniform results, and optimizing the performance of hydraulic systems. Let’s explore how hydraulic cylinders achieve consistent force output for repetitive tasks:
- Design and Manufacturing Standards: Hydraulic cylinders are manufactured to meet strict design and manufacturing standards. These standards ensure that the cylinders are built with precision and accuracy, enabling them to deliver consistent force output. The components, such as the piston, cylinder barrel, seals, and valves, are engineered to work together harmoniously, minimizing variations in force generation.
- Pressure Regulation: Hydraulic systems incorporate pressure regulation mechanisms to maintain a constant pressure level. Pressure relief valves, pressure regulators, and pressure-compensated pumps help maintain a consistent hydraulic pressure throughout the system. By regulating the pressure, hydraulic cylinders receive a consistent supply of pressurized fluid, resulting in consistent force output for repetitive tasks.
- Flow Control: Flow control valves are utilized in hydraulic systems to manage the flow rate of hydraulic fluid. These valves regulate the speed at which the fluid enters and exits the hydraulic cylinder, influencing the force output. By controlling the flow rate, hydraulic cylinders can achieve consistent force output for repetitive tasks. This is particularly important when it comes to tasks that require precise and uniform force application.
- Effective Seal Performance: Sealing systems play a crucial role in hydraulic cylinders by preventing fluid leakage and maintaining pressure integrity. High-quality seals and proper installation ensure effective sealing throughout the cylinder’s operation. By minimizing internal leakage, hydraulic cylinders can maintain consistent force output, even during repetitive tasks.
- Maintenance and Inspection: Regular maintenance and inspection of hydraulic cylinders are essential for ensuring consistent force output. By following maintenance schedules, replacing worn-out components, and monitoring cylinder performance, any potential issues that could affect force consistency can be identified and addressed promptly. This proactive approach helps maintain the reliability and performance of hydraulic cylinders over time.
In summary, hydraulic cylinders employ various mechanisms to ensure consistent force output for repetitive tasks. Adherence to design and manufacturing standards, pressure regulation, flow control, effective seal performance, and regular maintenance all contribute to achieving consistent force output. By maintaining precision, minimizing variations, and addressing potential issues, hydraulic cylinders provide reliable and consistent force generation, facilitating the successful completion of repetitive tasks in various applications.

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 2023-11-02