Product Description
DESCRIPTION
Hydraulic scissor hoist kit for Tipper trailer/Dump truck
Hydraulic scissor hoist kit
Application: Tipper trailer, dump truck etc.
Load capacity: 1-10 tons
Complete kit including 1 set hoist frame, 1 pc hydraulic
cylinder, 1 set hydraulic power unit, 2 pcs hoses and connectors.
PS: We can also provide the Hinges, Safety Arm, Battery Cables, Rubber Battery Strap.
Hoist Mechanism,Dimensions & Mass(appros.)
| L(mm) | W(mm) | H(mm) | X(mm) | MASS(kg) |
| 1180 | 402 | 340 | 391 | 120 |
|
Model |
Recommended Gross Vehicle Mass |
Cabin Length |
Rear overhang length | Distance between load centre and hinge | Distance between trunnion and height | Rated lifting capacity | Design maximum lifting capacity and angle |
| KRM92-1 | 4000-5000 | 3100 | 340 | 1210 | 1270 | 2000-3000 | 60/5500 |
| KRM200-48 | 28000-35000 | 8000 | 1000 | 2000 | 3380 | 18000-25000 | 53/35000 |
| KRM143B | 6000-9000 | 3400 | 400 | 1300 | 1100 | 4000-5000 | 60/8500 |
| KRM160C | 11000-17000 | 4500 | 750 | 1500 | 2050 | 6000-8000 | 52/16000 |
| KRM160S | 8000-11000 | 3800 | 600 | 1300 | 1400 | 6000-8000 | 52/11000 |
| KRM220 | 20000-39000 | 8000 | 1200 | 3000 | 3630 | 20000-29000 | 47/39000 |
| KRM183 | 21000-29000 | 5300 | 900 | 1750 | 2480 | 15000-17000 | 53/27000 |
Hoist Cylinder and Pump Combination Specification (approx.)
|
Hoist Cylinder KRM143 |
Working Pressure (MPa) (Kgf/cm2) |
6.4 |
Gear Pump KP-55 |
Standard Revolution (rpm) |
800 |
| 65 | 55 | ||||
| Inner Diameter (mm) | 140 | Discharge Volume(ml/rev.) | 20.6 | ||
| Stroke (mm) | 520 |
Max. Testing Pressure (MPa) (Kgf/cm2) |
|||
| Min. Close distance (mm) | 795 | 210 | |||
| Piston Rod Diameter (mm) | 70 |
Weight(kg) |
13 | ||
| Max. pressure (MPa) (Kgf/cm2) |
14.7 | ||||
| 150 |
Hoist Mounting and Maximum Lifting Capacity
| Recommended Truck G.W.(kg) | Body Length(mm) | Rear Overhang(mm) | Distance between Load Center to Hinge(mm) | Distance between trunion to Hinge(mm) | Rated Lifting Capacity(kg) | Designed Max. lifting Capacity(kg) (including load weight) |
| 6000-9000 | 3400 | 400 | 1300 | 1100 | 4000-5000 | 8500/60° |
DETAILS
ADVANTAGES
APPLICATIONS
Company Profile
Packing & Shipping
FAQ
Q1:What’s the brand name of your products ?
A:Generally,we use our own brand “East-Ai”,OEM is also available as required.
Q2:Hydraulic cylinder internal leakage?
A: There are 3 main reasons causing internal leakage :Overload,polishing is not well
controlled,bad seal kits.As is known to all,vehicles in China are often overload,our products all designed to bear the overload power.We have numerical control machine to assure the polish processing .And we use the imported seals to meet customers’ demands.
Q3:Does your piston rod get ruptured easily?
A: Hard chrome plating quenched and tempered 45# steel for piston rod to assure sufficient hardness and toughness.
Q4:Is your design reasonable? What about your product safe coefficient?
A:We have R&D team with abundant design experience. We also established production, education, and research cooperation with universities . Rest assured.
Q5:What about the quality feedback of your products?
A: Guarantee the quality from the raw material. We have cold drawing production line and nickel-chrome electroplating production line , so we can produce cold-drawing pipe and hard-chrome pipe used for hydraulic cylinder. !!!
WE HAVE NEVER RECEIVED EVEN ONCE QUALITY COMPLAINT FOR MANY YEARS OF INTERNATIONAL TRADE.
Q6:Is the sample free?
A:Yes.In our acceptable range, we can offer a sample by charging freight. And we will return the fee after you place bulk order.
Q7:How about the delivery time?
A: Over 700 sets advanced equipments to meet customer’s large demand in short delivery time.Generally ,it’s 7-15 days.
Q8:What ‘s the after-service? A:If the quality can’t meet your requirement ,we will pay all your lost and offer technical support to solve your problem!!!
Q9:How can I contact with you ?
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| Certification: | RoHS, CE, ISO9001 |
|---|---|
| Pressure: | Medium Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Double Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Samples: |
US$ 1000/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|
How do hydraulic cylinders handle the challenges of minimizing friction and wear?
Hydraulic cylinders employ several mechanisms and techniques to effectively minimize friction and wear, ensuring optimal performance and longevity. Minimizing friction and wear is crucial for hydraulic cylinders as it helps to maintain efficiency, reduce energy consumption, and prevent premature failure. Here’s a detailed explanation of how hydraulic cylinders handle the challenges of minimizing friction and wear:
1. Lubrication:
– Proper lubrication is essential for minimizing friction and wear in hydraulic cylinders. Lubricating fluids, such as hydraulic oils, are used to create a thin film between moving surfaces, reducing direct metal-to-metal contact. This lubricating film acts as a protective barrier, reducing friction and preventing wear. Regular maintenance practices include monitoring and maintaining the appropriate lubricant levels to ensure optimal lubrication and minimize frictional losses.
2. Surface Finishes:
– The surface finishes of components in hydraulic cylinders play a crucial role in minimizing friction and wear. Smoother surface finishes, achieved through precision machining, grinding, or the application of specialized coatings, reduce surface roughness and frictional resistance. By minimizing surface irregularities, the risk of wear and friction-induced damage is significantly reduced, resulting in improved efficiency and extended component life.
3. High-Quality Sealing Systems:
– Well-designed and high-quality sealing systems are crucial for minimizing friction and wear in hydraulic cylinders. Seals prevent fluid leakage and contamination while maintaining proper lubrication. Advanced sealing materials, such as polyurethane or composite materials, offer excellent wear resistance and low friction characteristics. Optimal seal design and proper installation ensure effective sealing, minimizing friction and wear between the piston and cylinder bore.
4. Proper Alignment and Clearances:
– Hydraulic cylinders must be properly aligned and have appropriate clearances to minimize friction and wear. Misalignment or excessive clearances can result in increased friction and uneven wear, leading to premature failure. Proper installation, alignment, and maintenance practices, including regular inspection and adjustment of clearances, help ensure smooth and even movement of the piston within the cylinder, reducing friction and wear.
5. Filtration and Contamination Control:
– Effective filtration and contamination control are essential for minimizing friction and wear in hydraulic cylinders. Contaminants, such as particles or moisture, can act as abrasive agents, accelerating wear and increasing friction. By implementing robust filtration systems and proper maintenance practices, hydraulic systems can prevent the ingress of contaminants, ensuring clean and properly lubricated components. Clean hydraulic fluids help minimize wear and friction, contributing to improved performance and longevity.
6. Material Selection:
– The selection of appropriate materials for hydraulic cylinder components is crucial in minimizing friction and wear. Components subject to high frictional forces, such as pistons and cylinder bores, can be made from materials with excellent wear resistance, such as hardened steel or composite materials. Additionally, selecting materials with low coefficients of friction helps reduce frictional losses. Proper material selection ensures durability and minimized wear in critical components of hydraulic cylinders.
7. Maintenance and Regular Inspection:
– Regular maintenance and inspection practices are vital for identifying and addressing potential issues that could lead to increased friction and wear in hydraulic cylinders. Scheduled maintenance includes lubrication checks, seal inspections, and monitoring of clearances. By promptly detecting and rectifying any signs of wear or misalignment, hydraulic cylinders can be kept in optimal condition, minimizing friction and wear throughout their operational lifespan.
In summary, hydraulic cylinders employ various strategies to handle the challenges of minimizing friction and wear. These include proper lubrication, employing suitable surface finishes, utilizing high-quality sealing systems, ensuring proper alignment and clearances, implementing effective filtration and contamination control measures, selecting appropriate materials, and conducting regular maintenance and inspections. By implementing these practices, hydraulic cylinders can minimize friction and wear, ensuring smooth and efficient operation while extending the overall lifespan of the system.
What considerations are important when selecting hydraulic cylinders for mobile equipment?
To select hydraulic cylinders for mobile equipment, several important considerations need to be taken into account. Here are the key factors to consider:
- Load Capacity: Determine the maximum load or force that the hydraulic cylinder will need to support. This includes both the static load and any dynamic or shock loads that may be encountered during operation.
- Stroke Length: Consider the required stroke length, which is the distance the hydraulic cylinder can extend and retract. Ensure that the stroke length is sufficient for the specific application and range of motion needed.
- Operating Pressure: Determine the maximum operating pressure required for the hydraulic system. This will depend on the load and the specific application. Select a hydraulic cylinder with a pressure rating that exceeds the maximum operating pressure to ensure safety and durability.
- Mounting Style: Consider the available space and the mounting requirements of the mobile equipment. Hydraulic cylinders come in various mounting styles, such as flange, trunnion, clevis, and pivot, among others. Choose a mounting style that is compatible with the equipment and provides the necessary support and stability.
- Size and Weight: Take into account the physical dimensions and weight of the hydraulic cylinder. Ensure that it can fit within the available space and that the equipment can support its weight without compromising performance or safety.
- Speed and Precision: Evaluate the required speed and precision of the hydraulic cylinder’s movement. Different cylinder designs and configurations can affect the speed and accuracy of motion. Consider factors such as cylinder bore size, rod diameter, and the presence of cushioning or dampening features.
- Environmental Factors: Assess the operating environment of the mobile equipment. Consider factors such as temperature extremes, exposure to moisture, dust, and chemicals. Select hydraulic cylinders with appropriate seals and coatings that can withstand the environmental conditions and prevent corrosion or damage.
- Reliability and Maintenance: Consider the reliability and maintenance requirements of the hydraulic cylinders. Look for reputable manufacturers that provide high-quality products with a proven track record. Evaluate factors such as expected service life, availability of spare parts, and ease of maintenance.
- Cost: Finally, consider the cost of the hydraulic cylinders, including the initial purchase price, installation costs, and long-term maintenance expenses. While it is essential to find a cost-effective solution, prioritize quality and performance to ensure safe and efficient operation.
How do hydraulic cylinders accommodate variations in stroke length and force requirements?
Hydraulic cylinders are designed to accommodate variations in stroke length and force requirements, providing flexibility and adaptability for different applications. They can be tailored to meet specific needs by considering factors such as piston diameter, rod diameter, hydraulic pressure, and cylinder design. Here’s a detailed explanation of how hydraulic cylinders accommodate variations in stroke length and force requirements:
1. Cylinder Size and Design:
– Hydraulic cylinders come in various sizes and designs to accommodate different stroke lengths and force requirements. The cylinder’s diameter, piston area, and rod diameter are key factors that determine the force output. Larger cylinder diameters and piston areas can generate greater force, while smaller diameters are suitable for applications requiring lower force. By selecting the appropriate cylinder size and design, stroke lengths and force requirements can be effectively accommodated.
2. Piston and Rod Configurations:
– Hydraulic cylinders can be designed with different piston and rod configurations to accommodate variations in stroke length. Single-acting cylinders have a single piston and can provide a stroke in one direction. Double-acting cylinders have a piston on both sides, allowing for strokes in both directions. Telescopic cylinders consist of multiple stages that can extend and retract, providing a longer stroke length compared to standard cylinders. By selecting the appropriate piston and rod configuration, the desired stroke length can be achieved.
3. Hydraulic Pressure and Flow:
– The hydraulic pressure and flow rate supplied to the cylinder play a crucial role in accommodating variations in force requirements. Increasing the hydraulic pressure increases the force output of the cylinder, enabling it to handle higher force requirements. By adjusting the pressure and flow rate through hydraulic valves and pumps, the force output can be controlled and matched to the specific requirements of the application.
4. Customization and Tailoring:
– Hydraulic cylinders can be customized and tailored to meet specific stroke length and force requirements. Manufacturers offer a wide range of cylinder sizes, stroke lengths, and force capacities to choose from. Additionally, custom-designed cylinders can be manufactured to suit unique applications with specific stroke length and force demands. By working closely with hydraulic cylinder manufacturers, it is possible to obtain cylinders that precisely match the required stroke length and force requirements.
5. Multiple Cylinders and Synchronization:
– In applications that require high force or longer stroke lengths, multiple hydraulic cylinders can be used in combination. By synchronizing the movement of multiple cylinders through the hydraulic system, the stroke length and force output can be effectively increased. Synchronization can be achieved using mechanical linkages, electronic controls, or hydraulic circuitry, ensuring coordinated movement and force distribution across the cylinders.
6. Load-Sensing and Pressure Control:
– Hydraulic systems can incorporate load-sensing and pressure control mechanisms to accommodate variations in force requirements. Load-sensing systems monitor the load demand and adjust the hydraulic pressure accordingly, ensuring that the cylinder delivers the required force without exerting excessive force. Pressure control valves regulate the pressure within the hydraulic system, allowing for precise control and adjustment of the force output based on the application’s needs.
7. Safety Considerations:
– When accommodating variations in stroke length and force requirements, it is essential to consider safety factors. Hydraulic cylinders should be selected and designed with an appropriate safety margin to handle unexpected loads or variations in operating conditions. Safety mechanisms such as overload protection valves and pressure relief valves can be incorporated to prevent damage or failure in situations where the force limits are exceeded.
By considering factors such as cylinder size and design, piston and rod configurations, hydraulic pressure and flow, customization options, synchronization, load-sensing, pressure control, and safety considerations, hydraulic cylinders can effectively accommodate variations in stroke length and force requirements. This flexibility allows hydraulic cylinders to be tailored to meet the specific demands of a wide range of applications, ensuring optimal performance and efficiency.
editor by CX 2024-03-20