Product Description
Aluminum double pulleys alloy pulley 30KN Outdoor Climbing pulley
Product Description
Detailed Photos
Product Parameters
| Model Number: GK006 | Finish:Anodized, Anodized |
| Application: Climbing, General Industry | Place of Origin:China |
| Material: Aluminum Alloy | Max.Rope Size: Dia.13mm |
| Strength:30KN | Weight:280g |
| Widgh:85 mm | Length:106 mm |
| Certificate:EN362 EN12275 | Color:diffrent colors |
Application
Company Profile
HangZhou Muyu Aloft Work Tech. Co, LTD. is committed to safety protection for adventurers and workers at height. Our products include harness, retractable lifeline, forged carabiners and hooks which are designed to ensure safety while exploring or working at height. Additionally, we offer good quality and affordable gear to climbers, we also supply OEM/ODM services. we dedicate our knowledge and share our innovation to provide solutions for our customers. We not just on the gear we sell but also advice on products, climbing, canyoning, mountaineering, caving and more.
Our Advantage:
To provide the most advanced technology
To provide the quality products
To provide on-time delivery
To provide the most comprehensive service
Certifications
Packaging & Shipping
FAQ
Q1. How can I get the quotation?
Please contact us via Trade Manager or Email and send us your drawings, quantity, material of the products or other detail requirements. Then our engineering team will work on them and submit competitive quotation to you.
Q2. Can you make parts based on samples?
Yes,we can make measurement based on your samples to make drawings for machining parts making.
Q3: Can you make my designs?
Yes, OEM/ODM is welcome, pls feel free to send us pictures. If necessary, we can keep your design be protected under law.
Q4. Does samples available before order?
Yes, it usually will take 3-10days for machined parts but longer for casting parts.
We can provide some parts for free sample. However, you have to pay the cost of courier by express like: DHL, TNT, UPS and FEDEX.
Q5. What’s your delivery time?
Usually 20-35 days after receiving deposit and special for the first order of casting parts.
Q6. How to ensure the quality of parts?
Our team will inspect all incoming material.A pre-production sample always made before mass production and final Inspection will be done by our QC team before shipment;
Q7.What is your payment terms?
Regularly Payment=1000USD, 30% T/T in advance, 70% balance to be paid by T/T before delivery.
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| Type: | Protector |
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| Season: | Winter, Autumn, Summer, Spring |
| Application: | Outdoor |
| Samples: |
US$ 16/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How do multiple pulleys in a block and tackle system work together?
In a block and tackle system, multiple pulleys are used in combination to create a mechanical advantage, allowing for easier lifting of heavy loads. The pulleys in a block and tackle system work together in the following manner:
1. Load Distribution: The weight of the load to be lifted is distributed over multiple strands of rope or cable that pass through the pulleys. This distribution of weight helps in reducing the force required to lift the load.
2. Mechanical Advantage: The mechanical advantage in a block and tackle system is achieved by increasing the number of rope segments that support the load. Each additional pulley increases the number of rope segments, which in turn reduces the amount of force needed to lift the load. The mechanical advantage is equal to the number of segments of rope supporting the load.
3. Tension Distribution: As the load is lifted, the tension in the rope or cable changes. In a block and tackle system, the tension is distributed among the various segments of rope or cable connected to the pulleys. This distribution of tension ensures that the load is lifted evenly and prevents excessive stress on any single rope segment.
4. Rope Arrangement: The pulleys in a block and tackle system are arranged in two sets: the fixed pulleys and the movable pulleys. The fixed pulleys are attached to a fixed point, such as a beam or a ceiling, and do not move. The movable pulleys are attached to the load being lifted and can move freely. The arrangement of the pulleys determines the mechanical advantage and the direction of force required to lift the load.
By combining these principles, multiple pulleys in a block and tackle system allow for the effective lifting of heavy loads with reduced effort. The mechanical advantage provided by the pulleys makes it possible to lift loads that would otherwise be too heavy to lift manually. Block and tackle systems are commonly used in various applications, including construction, rigging, sailing, and theatrical setups.
Can pulleys be used for both horizontal and vertical lifting?
Yes, pulleys can be used for both horizontal and vertical lifting. The versatility of pulley systems allows them to be utilized in various lifting applications, regardless of the direction of the load. Here’s how pulleys can be used for horizontal and vertical lifting:
1. Horizontal Lifting: In horizontal lifting scenarios, pulleys can be employed to change the direction of the force applied to the load. By using a combination of fixed and movable pulleys, the force can be redirected to pull the load horizontally. This is commonly seen in applications such as manual hoists or block and tackle systems used in construction, where heavy objects need to be moved horizontally across distances.
2. Vertical Lifting: Pulleys are widely used in vertical lifting applications, such as cranes, elevators, and lifting systems. In these setups, the pulleys are typically arranged in such a way that the load can be lifted vertically. By using multiple pulleys and ropes or cables, mechanical advantage can be achieved, making lifting heavier loads easier. The pulleys distribute the load’s weight across multiple lines, reducing the effort required to lift the load.
It’s worth noting that the number and arrangement of pulleys can vary depending on the specific lifting requirements. For example, a single fixed pulley can change the direction of the force but does not provide any mechanical advantage. On the other hand, systems with multiple pulleys, such as compound pulley systems or block and tackle setups, can provide significant mechanical advantage, making lifting heavier loads more manageable.
Whether it is horizontal or vertical lifting, the principles of pulley mechanics remain the same. Pulleys allow for force redirection, mechanical advantage, and load distribution, making lifting tasks more efficient and manageable. The specific configuration and setup of the pulley system will depend on the lifting requirements and the desired level of mechanical advantage.
Can you explain the basic principles of pulley mechanics?
Pulley mechanics are based on a few fundamental principles that govern the operation of pulley systems. Here’s an explanation of the basic principles:
1. Mechanical Advantage: The primary principle of pulley mechanics is mechanical advantage. A pulley system allows for the multiplication of force applied to the rope or belt. By distributing the force over multiple segments of the rope or belt, the load becomes easier to lift or move. The mechanical advantage gained depends on the number of pulleys used in the system. The more pulleys in the system, the greater the mechanical advantage.
2. Force Transmission: When a force is applied to one end of the rope or belt, it creates tension that causes the pulley to rotate. As the pulley turns, the force is transmitted to the load attached to the other end of the rope or belt. This force transmission allows for the movement and manipulation of objects in pulley systems.
3. Directional Change: One of the key principles of pulley mechanics is directional change. A pulley system enables the operator to change the direction of the applied force. By redirecting the force along a different path, a pulley system allows for force to be exerted from a more convenient or advantageous position. This directional change is particularly useful in situations where the force needs to be applied vertically, horizontally, or at an angle.
4. Conservation of Energy: Pulley mechanics also adhere to the principle of conservation of energy. The work done on the load by the applied force is equal to the work done against the load’s weight. Through the pulley system, the input force is transformed into an output force that moves or lifts the load. The energy input and output remain the same, but the pulley system allows for the distribution and transformation of forces to achieve the desired mechanical advantage.
5. Speed and Torque Conversion: Pulleys can also be used to convert speed and torque in mechanical systems. By varying the size of the pulleys or using pulleys of different diameters, the rotational speed and torque can be adjusted according to the requirements of the system. This speed and torque conversion allows for the optimization of power transmission and the matching of different rotational speeds between input and output components.
6. Multiple Pulley Systems: Pulleys can be combined in systems to achieve increased mechanical advantage or to create complex motion patterns. In systems with multiple pulleys, such as block and tackle arrangements, the load is distributed over several segments of rope or belt, further reducing the effort required to lift heavy objects. These systems are often used in cranes, elevators, and other applications where heavy lifting is necessary.
These basic principles of pulley mechanics form the foundation for the understanding and application of pulleys in mechanical systems. By harnessing mechanical advantage, force transmission, directional change, conservation of energy, and speed/torque conversion, pulley systems provide a versatile means of lifting, moving, and manipulating loads in various applications.
editor by CX
2024-03-14