China Hot selling Galvanized Frame Scaffolding Joint Pin Coupling Pin for Walk Through Frames

Product Description

Product Description

Frame scaffolding is also called tubular steel frame scaffolding, door style frame scaffolding, is a long established modular frame scaffolding system serving as working platform for construction and decoration purposes, which is composed of main frames, catwalk or walk board, braces or cross braces, brackets, coupling pins of spigot, guardrails and sometimes casters, etc.

Pic. Item A (Width) B (Height)
Main Frame

Outer tube: 42*2.2mm/2.0mm/1.8mm

Inner tube: 25*1.5mm/1.8mm/2.0mm

1219mm 914mm
1219mm 1219mm
1219mm 1524mm
1219mm 1700mm
1219mm 1930mm
914mm 1219mm
914mm 1524mm
914mm 1700mm
914mm 1930mm
H Frame

Outer tube: 42*2.2mm/2.0mm/1.8mm

Inner tube: 25*1.5mm/1.8mm/2.0mm

1219mm 914mm
1219mm 1219mm
1219mm 1524mm
1219mm 1700mm
1219mm 1930mm
914mm 914mm
914mm 1219mm
914mm 1524mm
914mm 1700mm
914mm 1930mm
Item A (width) B (height) C (length)
  1829mm 1219mm 2198mm
1219mm 1219mm 1724mm
1829mm 914mm 2045mm
1829mm 610mm 1928mm
1219mm 610mm 1363mm
Item Size
Joint Pin 36*1.5*225mm
36*1.2*225mm
36*1.0*225mm

Packaging & Shipping

Application

Company Profile

HangZhou CHINAMFG Industry Co., Ltd, with an investment of U.S. Dollars of 8 million, is a professional manufacturer engaged in the design, production & sale of scaffolding systems.

1. Location: HangZhou CHINAMFG is leading scaffolding manufacturer, located in HangZhou, ZheJiang Province, the raw material basement.
2. Team: We have professional team for sale, project design and construction.
3. Main products: Ringlock Scaffolding, Frame Scaffolding, Steel Plank, Catwalk, Ladders, Pipe & Clamp, Steel Prop, etc.
4. Production capacity: 7000-10000 Tons/month.
5. Loading capacity: 8-12 containers/day.
6. Delivery time: 10-15 days for 3-5 containers.
Fast delivery to satisfy your urgent project demand.

FAQ

Q1: Are you a factory or trading company?    
A: We are a factory specializing in manufacturing scaffolding material.
Q2: Where is the loading port?
A: ZheJiang (Xihu (West Lake) Dis.g) Port.
Q3: What’s the MOQ of the product?
A: Different item has different MOQ. Normally one Container is preferred.
Q4: What certificates do you have?
A: We have ISO 9001, SGS certification.
Q5: Can I get some samples?    
A: Yes,  but usually the customer will pay for the cost and freight charges. 
Q6: Do you have an OEM service?
A: Yes. We can provide OEM and ODM services as your requirements.
Q7: How long is the production cycle after ordering?
A: General it is about 15-30 days, according to different quantity requirement.

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Material: Steel
Structural Style: Multi-Pole Scaffolding
Framework: Combined Scaffolding
Supporting Mode: Projecting Scaffolding
Lapping Form: Full Scaffolding
Scaffolding Part Type: Scaffolding Frames
Customization:
Available

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Customized Request

China Hot selling Galvanized Frame Scaffolding Joint Pin Coupling Pin for Walk Through Frames

pin coupling

How Does a Pin Coupling Protect Connected Equipment from Shock Loads and Vibrations?

Pin couplings are designed to provide excellent protection to connected equipment from shock loads and vibrations, ensuring the smooth and reliable operation of the machinery. The unique features of pin couplings contribute to their ability to absorb and dampen shock loads and vibrations effectively:

  • Flexibility: Pin couplings possess a certain degree of flexibility due to the presence of movable pins. When subjected to sudden shock loads or vibrations, the pins can flex and move slightly, absorbing the impact and preventing it from transmitting directly to the connected equipment. This flexibility helps in reducing stress and minimizing the risk of damage to the machinery.
  • Torsional Compliance: The pin coupling’s design allows for a certain amount of torsional compliance. This means that when the connected shafts experience slight misalignments or angular displacements, the pin coupling can compensate for these variations without causing additional stress or vibration in the system. This feature ensures that the machinery remains in proper alignment even under dynamic conditions, reducing wear and tear.
  • Damping Characteristics: The presence of movable pins introduces damping characteristics to the coupling. When vibrations occur in the system, the pins can dampen these oscillations, preventing resonance and the amplification of vibrations. This damping effect improves the overall stability and performance of the machinery.
  • Strength and Resilience: High-quality pin couplings are constructed from durable materials with excellent fatigue resistance. This enables the coupling to withstand repeated shock loads and vibrations over an extended period without compromising its integrity. The strength and resilience of the pin coupling contribute to the protection of the connected equipment.

Overall, pin couplings are reliable and versatile components that can effectively protect connected equipment from shock loads and vibrations. Their flexibility, torsional compliance, damping characteristics, and robust construction make them suitable for various industrial applications where shock and vibration mitigation are essential for maintaining the health and longevity of machinery and equipment.

pin coupling

Usage of Pin Couplings in Applications with Varying Operating Temperatures

Pin couplings are versatile and can be used in a wide range of operating conditions, including applications with varying temperatures. The performance of pin couplings at different temperature levels depends on the materials used in their construction and the specific design features. Here’s how pin couplings handle varying operating temperatures:

1. Material Selection: Pin couplings can be manufactured using different materials, including steel, stainless steel, alloy steel, and various heat-treated materials. The choice of material depends on the application requirements and the temperature range the coupling will be subjected to. Some materials are suitable for high-temperature applications, while others are more suitable for low-temperature conditions.

2. Heat Dissipation: The simple and open design of pin couplings allows for efficient heat dissipation. As the coupling operates, any heat generated due to friction or other factors can easily dissipate into the surrounding environment. This helps in maintaining a stable operating temperature and prevents overheating of the coupling and connected equipment.

3. Lubrication: Proper lubrication is essential for the smooth operation of pin couplings, especially in applications with high temperatures. Lubricants help reduce friction and wear between the mating surfaces, ensuring that the coupling functions optimally even in elevated temperature conditions.

4. Thermal Expansion Considerations: Pin couplings must be designed with thermal expansion in mind. When the operating temperature increases, the materials may expand, and the coupling should have sufficient clearance or play to accommodate this expansion without causing binding or interference.

5. Temperature Limits: While pin couplings can handle a wide range of temperatures, there are limits to the extremes they can tolerate. Excessive heat can lead to degradation of the coupling material, premature wear, or reduced performance. It’s essential to choose a pin coupling that is rated for the specific temperature range of the application.

6. Insulation: In certain cases, pin couplings may need additional insulation to protect against extreme temperature variations or to prevent heat transfer to sensitive components nearby. Insulation can be achieved using materials with low thermal conductivity or by incorporating insulating coatings or barriers.

When selecting a pin coupling for an application with varying operating temperatures, it’s crucial to consider the specific temperature range, the type of materials used in the coupling’s construction, and any additional factors that may impact its performance. Following the manufacturer’s guidelines and ensuring proper maintenance will help ensure the pin coupling operates effectively and reliably across the expected temperature range.

pin coupling

Understanding Pin Couplings and Their Functionality

A pin coupling, also known as a shear pin coupling, is a type of mechanical coupling used to connect two rotating shafts in a mechanical system. It is designed to transmit torque while allowing for a limited amount of angular misalignment between the shafts. The primary function of a pin coupling is to protect the connected equipment from torque overload and prevent damage to the shafts and other components in case of sudden shock or overload.

How a Pin Coupling Works:

A typical pin coupling consists of two hubs, one on each shaft to be connected, and a series of pins that pass through the hubs to join them together. The pins are usually made of a softer material than the hubs, such as brass or aluminum, to act as sacrificial elements. The number and size of the pins depend on the coupling’s torque rating and the required angular misalignment capacity.

When the shafts are misaligned, the pins experience shear stress as they bend under the applied load. In normal operating conditions, the pins remain intact and allow the torque to transfer from one shaft to another. However, in the event of an overload or excessive misalignment, the pins will shear off, preventing the transmission of excessive torque and protecting the connected equipment from damage.

After shearing, the damaged pins can be easily replaced, and the coupling can be put back into service without major repairs to the equipment. This feature makes pin couplings particularly suitable for applications with varying operating conditions and environments where shock loads or sudden overloads may occur.

Advantages of Pin Couplings:

Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.

Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.

Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.

Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.

Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.

Limitations:

– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.

– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.

In summary, pin couplings offer a reliable and cost-effective solution for torque transmission and protection against overloads in various mechanical systems. Their ability to accommodate misalignment and absorb shock loads makes them suitable for a wide range of industrial applications.

China Hot selling Galvanized Frame Scaffolding Joint Pin Coupling Pin for Walk Through Frames  China Hot selling Galvanized Frame Scaffolding Joint Pin Coupling Pin for Walk Through Frames
editor by CX 2024-04-09


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