Product Description
API 8C 36in Sheave For Wire Rope 1in P/N 257112
Product Description
The CHINAMFG block consists of CHINAMFG basement, fast-line sheave, dead-line sheave, main sheave, sand-line sheave, drilling line protector and sheaves for hydraulic and air winch, bumper wood for the Crown-O-Matic and guardrail. It’s designed with closed type and open type. The traveling system is divided into 7×6, 6×5, 5×4, and 4×3, which fit to Φ7/8″~Φ1 1/2″ drilling lines. The sheave groove conforms to the requirements of API RP 9B. The sheave groove surface is processed with a quenching treatment. The bearing adopts centralized lubrication for convenient operation.
| Crown Block Sheave Technical Parameters | ||||
| Model | TC225 | TC315 | TC450 | |
| Parameters | ||||
| Max.Hook Load kN(lbf) | 2250 (5 0571 0) | 3150(708200) | 4500(1011600) | |
| Qty. And OD of Sheave mm(in) | (5+1) | (6+1) | (6+1) | |
| 1120(44) | 1270(50) | 1524(60) | ||
| OD of Xihu (West Lake) Dis. Sheave mm(in) | 1270(500) | 1524(60) | 1524(60) | |
| Dia. Of Wirerope mm(in) | 32(1 1/4) | 35(1 3/8) | 38(1 1/2 ) | |
| Overall Dimensions mm(in) | Length | 3200(126) | 3295(129.7) | 3305(1300) |
| Width | ||||
| Height | 3135(123.4) | 3700(145.7) | 3760(148) | |
| Weight kg(lbs) | 5764(12707.3) | 7980(17592.9) | 10600(23369) |
Detailed Photos
Company Profile
Lake Petro company is a professional supplier of various oilfield equipment, including oil drilling and service equipment,oil production equipment,OCTG ,wellhead & downhole tools and spare parts with API certification. Following the principle of “quality first, science and technology innovated, people oriented”, every CHINAMFG person is sparing no effort to provide the customers with best products and services. Through efforts of CHINAMFG staff, our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions). With super quality, reasonable price and professional service, CHINAMFG company has become VIP (assigned) supplier and built strategic partnership with some coutries’ national petroleum companies.
Certifications
FAQ
How to order?
Please send us your inquiry with detail item description or with Model number.
If there is no packing demand we take it as our regular exported standard packing.
We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.
You send us your detail requirement, we provide quotation to you.
Can I expect a quality products?
All the production and processing are strictly according to ISO 9001:2008 and API standard. At the same time, mature production technology ensuring the quality satisfy international request. We also welcome the third party inspection, such as BV, SGS and TUV.
The information you may like to know before Payment:
1. Methods of Payment:
T/T (Telegraphic Transfer) or L/C at sight
2. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
3. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
| After-sales Service: | Online Support |
|---|---|
| Warranty: | Online Support |
| Certification: | ISO 9001:2000 |
| Power Source: | Hand Operation |
| Operation Pressure: | Hand Operation |
| Applicable Medium: | Mud, Water |
| Customization: |
Available
| Customized Request |
|---|
How are rope pulleys used in recreational activities such as rock climbing and zip-lining?
Rope pulleys play a crucial role in recreational activities like rock climbing and zip-lining. Here’s a detailed explanation of their usage in each activity:
Rock Climbing:
In rock climbing, rope pulleys are utilized in various ways:
1. Belays and Anchors: Rope pulleys are commonly used in belay systems, which involve securing the climbing rope to an anchor point. Pulleys help redirect the rope, reducing friction and allowing the belayer to control the rope more smoothly as the climber ascends or descends. They enable the belayer to manage the rope’s length and tension effectively.
2. Hauling Systems: Rope pulleys are utilized in hauling systems during rock climbing. These systems assist climbers in raising or lowering equipment, supplies, or injured climbers. Pulleys allow for mechanical advantage, reducing the effort required by the climbers during hauling operations.
3. Ascending Techniques: Rope pulleys are employed in ascending techniques such as the “jumar” or “ascender” systems. These systems enable climbers to ascend the rope efficiently. Pulleys facilitate smooth movement and eliminate the need to manually adjust the rope, making the ascent easier and less physically demanding.
4. Rescue Operations: In rescue scenarios, rope pulleys serve a critical role. They are employed in systems such as “z-pulleys” or “piggyback hauling” to create mechanical advantage, allowing rescuers to lift or lower victims safely and efficiently.
Zip-lining:
In zip-lining, rope pulleys are essential components of the system that enables participants to glide along a suspended cable or rope:
1. Trolley Systems: Rope pulleys, often referred to as trolleys, are attached to the participants’ harnesses or seats. These pulleys feature wheels or sheaves that roll along the zip-line cable, allowing smooth and controlled movement. The trolleys may incorporate additional features such as brakes or speed control mechanisms for a safe and enjoyable zip-lining experience.
2. Redirection and Turning: Rope pulleys are strategically placed at corners or turning points in the zip-line course. They redirect the cable, ensuring participants smoothly navigate curves or changes in direction without excessive friction or jolts. These pulleys contribute to the overall safety and stability of the zip-line ride.
3. Braking Systems: Certain zip-line systems utilize rope pulleys as part of the braking mechanism. The pulleys may be integrated with friction devices or braking systems to control the speed and bring participants to a safe stop at the end of the ride.
It’s important to note that in both rock climbing and zip-lining, the selection of appropriate rope pulleys is crucial for ensuring safety, reliability, and optimal performance. Industry standards and guidelines provide specifications for pulley materials, load capacities, and strength ratings to ensure their suitability for these recreational activities.
By incorporating rope pulleys into rock climbing and zip-lining systems, participants can experience smoother rope management, efficient ascending or descending techniques, controlled movement, enhanced safety, and an overall enjoyable experience.
What role do bearings play in ensuring the smooth operation of rope pulley systems?
Bearings play a crucial role in ensuring the smooth operation of rope pulley systems. Here’s a detailed explanation of their role:
1. Reducing Friction: Bearings are designed to reduce friction between moving parts. In a rope pulley system, the bearings are typically located at the axle or the sheave, where the rope makes contact. By providing a smooth surface for the rope to glide over, bearings minimize friction and prevent excessive wear on both the rope and the pulley. This reduction in friction enhances the overall efficiency of the system.
2. Supporting Load: Rope pulley systems often handle substantial loads. Bearings provide support and distribute the load evenly across the pulley, ensuring smooth and stable operation. They help prevent excessive stress on the pulley components and maintain the integrity of the system, even under heavy loads.
3. Enabling Rotation: Bearings facilitate the rotation of the pulley. They allow the pulley to rotate freely around the axle or sheave, enabling the rope to move smoothly. This rotation is essential for changing the direction of the force and facilitating the lifting or movement of the load. Bearings ensure that the rotation is effortless and consistent, contributing to the smooth operation of the pulley system.
4. Increasing Durability: By reducing friction and supporting the load, bearings contribute to the durability of the rope pulley system. They help prevent excessive wear and damage to the pulley components, extending the lifespan of the system. Additionally, bearings are often designed to withstand heavy loads, harsh environments, and repetitive motion, further enhancing the longevity and reliability of the pulley system.
5. Minimizing Maintenance: The use of bearings in rope pulley systems reduces the need for frequent maintenance. The smooth operation provided by bearings reduces wear on the pulley and the rope, resulting in less frequent replacement and maintenance. This helps optimize the uptime of the system, reducing downtime and associated costs.
In summary, bearings play a vital role in ensuring the smooth operation of rope pulley systems by reducing friction, supporting the load, enabling rotation, increasing durability, and minimizing maintenance requirements. Their use enhances the efficiency, reliability, and lifespan of the pulley system, making them an essential component in various lifting and moving applications.
How do rope pulleys assist in lifting and moving heavy loads?
Rope pulleys play a crucial role in lifting and moving heavy loads by providing mechanical advantage and facilitating the transfer of force. Here’s a detailed explanation of how rope pulleys assist in these tasks:
1. Mechanical Advantage: Rope pulleys are designed to increase the mechanical advantage in lifting and moving operations. They achieve this by redirecting the force applied to the rope, making it easier to lift or move heavy loads. The mechanical advantage obtained depends on the configuration of the pulley system used.
2. Change in Direction: Rope pulleys change the direction of the force applied to the rope. By redirecting the force, they enable lifting and moving loads in a controlled manner. For example, a pulley system can change the direction of the force from a vertical pull to a horizontal pull, allowing for the movement of loads along different paths.
3. Load Distribution: Rope pulleys distribute the load across multiple ropes or cables. By using multiple pulleys in a system, the load can be divided among the ropes, reducing the strain on each individual rope. This load distribution helps prevent overload and promotes safer lifting and moving operations.
4. Increased Efficiency: Rope pulleys enhance the efficiency of lifting and moving heavy loads. By reducing the effort required to lift the load, they allow operators to exert less force while achieving the desired movement. This increased efficiency translates to improved productivity and reduced physical strain on the operators.
5. Versatility and Flexibility: Rope pulley systems offer versatility and flexibility in lifting and moving applications. They can be easily adapted to different load sizes and weights by adjusting the number and arrangement of pulleys. This adaptability enables efficient handling of a wide range of loads in various industries and settings.
Overall, rope pulleys provide mechanical advantage, change the direction of force, distribute loads, increase efficiency, and offer versatility in lifting and moving heavy loads. Their use in various industries and applications significantly improves productivity, safety, and operational effectiveness.
editor by CX
2023-11-02