China wholesaler Garland Idlers, Vertical Roll, Return Bracket, Flat Bracket, Idler Frames for Belt Conveyor Roller

Product Description

1. The pulley can be divided into driving pulley (head pulley) and thurnabout pulley (tail pulley), driving pulley is the main part for transmitting the power : smooth surface and rubber surface, and rubber surface can be classified into smooth rubber surface, herringbone rubber surface and CHINAMFG rubber surface to meet different technical requirements. Averting pulley can be classified into smooth rubber surface and smooth steel surface.
According to the structure style, the 2 type pulley can be divided into 3 light duty, medium duty and heavy duty.
All the pulley adopt integrated bearing housing which is lubricated and filled with grease and has 2 kinds: iron casting and steel casting, the shaft is made of 45#steel, the shell adopt weld assembly.
Based on the above design, the pulley is reasonably structured, convenient type selected, performance reliable, long life time.
Our pulleys are of stable structure, good performance and long operating life. They can work normally in dusty, wet and muddy environment.

2. Outer diameter deviation of Drive pulley(mm)

Pulley diameter ≤400 >400~1000 >1000
The Maximum Deviation 0~1.50 0~2.0 0~2.5

3. Radial Runout of roller excircle(mm)

Pulley diameter ≤800 >800~1600 >1600
Cover pulley 0.6 1.0 1.5
Non- cover pulley 1.1 1.5 2.0

4. Range of Production
Diameters of pulley (mm): 200/250/315/320/400/500/630/800/1000/1200/1250
Length of pulley depends on the width of conveyor belt.
The width Range of conveyor belt (mm): 500/650/800/1000/1200/1400
Applications: Used in the steel industry, harbor, coal industry, power industry, cements industry, and more.

Description CEMA,  DIN, JIS, AS, SABS, ISO Standard Design & JXIHU (WEST LAKE) DIS. ODM
Pipe 1)  Material : Q235 carbon steel equal to DIN S235JR
2)  Roller Diameter : φ50mm ~ φ219mm / 2 inch ~ 8 5/8 inch
3)  Roller Length:  150mm ~ 3000 mm
4)  Thickness : 3.0 ~6.0 mm
Shaft 1)  Material : 45# steel equal to DIN C45
2)  Cold-drawn bright round steel
3)  Shaft Diameter:  20mm,  25mm,  30mm, 40mm, 45mm, 50mm
Bearing 1)  Single Row Deep Groove Ball Bearing 2RS&ZZ with C3 clearance
2)  Brand: SKF,FAG,NSK,HRB, LYC, CHINAMFG or according to your requirement
Bearing Housing 1)  Material : Q235 carbon steel equal to DIN S235JR
2)  Cold press working fit ISO M7 accuracy
3)  Material thickness: 2.5mm ~ 5.0mm
Seals 1)  Labyrinth seal, nylon 6 material
2)  JXIHU (WEST LAKE) DIS.'s patented product
Grease 2# Lithium grease lubricant
Painting 1)  Ordinary painting, hot galvanized painting, Powder painting
2)  Color: Black, red, yellow, blue or according to your requirement

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Structure: Conveyor System
Material: Carbon Steel
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant
Condition: New
Transport Package: Wooden Cases
Specification: diameter from 50mm to 219mm
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Customization:
Available

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ratchet wheel

Can you provide examples of machinery or equipment that commonly use ratchet wheels?

Ratchet wheels are commonly used in various machinery and equipment across different industries due to their ability to provide controlled motion and security. Here are examples of machinery and equipment that commonly incorporate ratchet wheels:

  • 1. Ratchet Wrenches: Ratchet wrenches, also known as socket wrenches, utilize ratchet wheels to enable continuous tightening or loosening of nuts and bolts without the need to remove and reposition the wrench. The unidirectional motion of the ratchet wheel allows for efficient and convenient use.
  • 2. Winches and Hoists: Winches and hoists, whether manual or powered, frequently employ ratchet wheels in their mechanisms. Ratchet wheels ensure controlled lifting, lowering, or pulling of loads while preventing unintended backdriving.
  • 3. Handbrakes in Vehicles: Many vehicles, especially older models, feature handbrake systems that rely on ratchet wheels. These ratchet mechanisms secure the vehicle's position when the handbrake lever is engaged, preventing the vehicle from rolling.
  • 4. Tie-Down Straps: Ratchet mechanisms are integral components of tie-down straps used for securing cargo during transportation. They maintain tension in the strap and prevent slack, ensuring that the load remains securely fastened.
  • 5. Conveyor Systems: Conveyor systems in manufacturing and logistics often incorporate ratchet wheels to control the movement of items along the conveyor belts. Ratchet wheels enable precise indexing and positioning of products.
  • 6. Scaffold Systems: Scaffold systems used in construction frequently feature ratchet wheels in their height adjustment mechanisms. Workers can raise or lower scaffolding platforms incrementally, ensuring safety and stability.
  • 7. Fishing Reels: Fishing reels, such as baitcasting and trolling reels, use ratchet wheels in their drag systems. This allows anglers to smoothly reel in fish while preventing the fish from pulling out line unintentionally.
  • 8. Safety Mechanisms: Various safety mechanisms and emergency stop systems employ ratchet wheels to ensure that once activated, the system remains in a safe state until intentionally reset. This is crucial in industrial and machinery safety applications.

These examples demonstrate the versatility of ratchet wheels in different industries and applications where controlled motion, security, and prevention of reverse movement are essential requirements.

ratchet wheel

Can you share tips for selecting the right ratchet wheel based on specific industry requirements and load capacities?

Selecting the right ratchet wheel for your application involves considering industry-specific requirements and load capacities. Here are some tips to help you make an informed choice:

  • 1. Determine Load Capacity: Identify the maximum load or torque that your ratchet wheel needs to handle. Choose a ratchet wheel with a load capacity that comfortably exceeds your application's requirements to ensure safety and reliability.
  • 2. Material Selection: Consider the environment in which the ratchet wheel will operate. Stainless steel or corrosion-resistant materials are ideal for outdoor or harsh conditions, while plastic ratchet wheels may be suitable for lighter-duty applications.
  • 3. Tooth Profile and Design: The tooth profile and design of the ratchet wheel should match your specific application. For precise control, choose a ratchet wheel with well-designed teeth that engage smoothly with the pawl or catch.
  • 4. Precision and Tolerance: In applications where precision matters, opt for ratchet wheels with tight tolerances. High-precision ratchet wheels provide consistent and reliable performance.
  • 5. Pawl Compatibility: Ensure that the chosen ratchet wheel is compatible with the pawl or catch mechanism in your system. Proper engagement is essential for reliable operation.
  • 6. Surface Finish: A polished or treated surface can reduce friction, extending the ratchet wheel's service life. Consider surface finish options to enhance performance.
  • 7. Environmental Factors: Evaluate the environmental conditions, including temperature, moisture, and exposure to chemicals. Choose a ratchet wheel that can withstand these conditions without compromising performance.
  • 8. Maintenance Requirements: Understand the maintenance needs of the ratchet wheel. Some may require periodic lubrication or inspection, while others are maintenance-free. Choose one that aligns with your maintenance capabilities and schedule.
  • 9. Compliance with Standards: Ensure that the ratchet wheel complies with industry standards and regulations relevant to your application. Compliance is critical for safety and reliability.
  • 10. Cost-Benefit Analysis: Consider the long-term cost-effectiveness of your choice. While high-quality ratchet wheels may have a higher initial cost, they often offer better reliability and reduced maintenance expenses over time.
  • 11. Application-Specific Features: Some ratchet wheels come with features tailored to specific applications, such as noise reduction or enhanced security. Explore these options if they align with your needs.
  • 12. Seek Expert Advice: If you're unsure about the best ratchet wheel for your application, consult with industry experts or suppliers. They can provide valuable insights and recommendations based on their experience.

By considering these tips and tailoring your ratchet wheel selection to your industry requirements and load capacities, you can ensure that your mechanical system operates reliably and efficiently.

ratchet wheel

In what mechanical devices or tools are ratchet wheels commonly used, and how do they operate?

Ratchet wheels are commonly used in various mechanical devices and tools, where they play a crucial role in enabling unidirectional motion and preventing backward movement. Here are some examples of mechanical devices and tools that incorporate ratchet wheels and an explanation of how they operate:

  • 1. Ratchet Wrenches: Ratchet wrenches, also known as socket wrenches, are widely used in automotive repair and mechanical work. They feature a ratchet wheel mechanism in the wrench head. When the user turns the handle in one direction, the ratchet wheel engages with the socket, allowing continuous rotation for fastening or loosening bolts or nuts. When the direction is reversed, the ratchet wheel disengages, preventing backward motion and allowing the user to reposition the wrench without removing it from the fastener.
  • 2. Ratchet Straps and Tie-Downs: Ratchet straps and tie-downs are used for securing cargo on trucks, trailers, and in various transportation applications. They consist of a ratchet mechanism and a strap with hooks. By cranking the ratchet handle, the ratchet wheel tightens the strap, providing secure tension. The ratchet prevents the strap from unwinding or loosening during transit, ensuring that the load remains securely fastened.
  • 3. Handbrakes in Vehicles: In automobiles, ratchet wheels are a fundamental component of handbrakes (parking brakes). When the handbrake lever is pulled, it engages a ratchet mechanism that locks the rear wheels in place, preventing the vehicle from rolling when parked on an incline. Releasing the handbrake disengages the ratchet, allowing normal wheel rotation.
  • 4. Winches and Hoists: Winches and hoists used in industries such as construction, manufacturing, and material handling rely on ratchet wheel mechanisms. The ratchet wheel controls the winding and unwinding of cables or ropes. When the user operates the winch or hoist in one direction, the ratchet allows the cable to be pulled in and wound onto a drum. In the opposite direction, the ratchet prevents the cable from unwinding, ensuring controlled load handling.
  • 5. Bike Gears: Bicycle gears often use ratchet mechanisms to control gear shifting. When a cyclist pedals forward, the ratchet wheel engages with the gear sprocket, allowing the chain to move smoothly and propel the bike. If the cyclist pedals backward or stops pedaling, the ratchet prevents the chain from moving in reverse, ensuring efficient pedaling and preventing the bike from rolling backward.
  • 6. Fishing Reels: Many fishing reels, including spinning reels and baitcasting reels, incorporate ratchet mechanisms. The ratchet wheel in the reel allows the fishing line to be pulled in when the angler reels in a fish. The ratchet prevents the line from spooling out when there is no tension on it, ensuring that the line remains taut during fishing.

In each of these applications, the ratchet wheel functions by engaging with a pawl or catch mechanism. When force is applied in the desired direction, the pawl allows the ratchet wheel to rotate freely, enabling the intended motion. When force is applied in the opposite direction, the pawl engages with the teeth on the ratchet wheel, locking it in place and preventing backward movement. This simple yet effective mechanism provides controlled and safe operation in various mechanical devices and tools.

China wholesaler Garland Idlers, Vertical Roll, Return Bracket, Flat Bracket, Idler Frames for Belt Conveyor Roller  China wholesaler Garland Idlers, Vertical Roll, Return Bracket, Flat Bracket, Idler Frames for Belt Conveyor Roller
editor by CX 2024-03-30