China Best Sales Excavator Spare Parts Connector Quick Coupling with Safe Lock Pin

Product Description

HMB produce 2 type quick hitch:hydraulic quick hitch,manual quick hitch

Model Unit HMB02 HMB06 HMB08 HMB15 HMB20 HMB25 HMB30 HMB40
Width mm 150-250 250-280 270-300 335-450 420-480 450-500 460-550 600-660
Length mm 300-450 500-550 580-620 680-800 900-1000 950-1000 960-1100 1000-1150
Height mm 220-280 280-320 300-350 380-420 480-520 500-550 560-600 570-610
Pin Diameter Range mm 25-35 40-50 50-55 60-65 70-80 90 90-100 100-110
Weight kg 30-50 50-80 80-115 160-220 340-400 380-420 420-580 550-760
Carrier Ton 0.8-3.5 4-7 8-9 10-18 20-24 25-29 30-39 40-45

Company Profile

Located in HangZhou, ZheJiang province, established in 2009, HangZhou CHINAMFG Construction Machinery Equipment Co.,Ltd registered HMB Brand in 2011. We started to develop oversea market in 2013.With 13 years experience, specialized in manufacturing excavator,skid loader attachemnts and spare parts. Our uncompromising commitment to high quality and thoughtful service wins us a good reputation and more coming partners. 

CE certificate

FAQ

Q: Are you a manufacturer?
A: Yes,our factory was established in 2571.

Q: Are you sure your product will fit my excavator?
A: Our equipments are suitable for most excavators. Show us your excavator model, we’ll confirm the solution.

Q: How about your products warranty?
A: 12 months warranty for hydraulic breaker, beyond the warranty period.

Q: Can you produce according to customers’ design?
A: Sure, OEM/ODM service available. We are professional manufacturer in HangZhou.

Q: What’s the MOQ and payment terms?
A: MOQ is 1set. Payment via T/T,L/C, Western Union accepted, other terms can be negotiated.

Q: How about delivery time?
A: 5-25 work days after the payment.

Q: How about the package?
A: Our equipments wrapped by stretch film, packed by pallet or polywood case; or as requested.

Q: Which country have you exported?
A: Saudi Arabia, America, Thailand, Cyprus, India, Canada, Australia, Peru, Egypt, Brazil, Mexico, South Africa, etc.
 

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After-sales Service: One Line Service and Local Service
Warranty: 1 Year
Type: Pistons
Application: Excavator
Certification: CE, ISO9001: 2000
Condition: New
Customization:
Available

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Customized Request

China Best Sales Excavator Spare Parts Connector Quick Coupling with Safe Lock Pin

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

Role of Pin Coupling in Reducing Downtime and Maintenance Costs

A pin coupling plays a crucial role in reducing downtime and maintenance costs in various mechanical systems and power transmission applications. Its design and features contribute to improved reliability and ease of maintenance, resulting in enhanced operational efficiency and cost savings. Here’s how pin couplings achieve these benefits:

1. Shock Absorption: Pin couplings are known for their ability to absorb and dampen shocks and vibrations generated during operation. By cushioning the impact of sudden loads or torque spikes, they protect the connected equipment from potential damage, reducing the frequency of unexpected breakdowns and downtime.

2. Misalignment Tolerance: Pin couplings can tolerate a certain degree of misalignment between shafts, such as angular and parallel misalignment. This flexibility allows for easier installation and alignment of equipment, saving time and effort during setup and reducing the need for precise alignment procedures.

3. Low Maintenance: Pin couplings are designed with simplicity in mind, often consisting of only two coupling halves connected by pins. This straightforward construction means fewer components that can wear out or require regular maintenance. Additionally, the flexibility of the pins helps reduce wear on the coupling and connected equipment, leading to longer maintenance intervals.

4. Easy Replacement: In the event of a failure or wear, pin couplings are relatively easy to replace compared to some other coupling types. The simplicity of their design allows for quick disassembly and reassembly, minimizing downtime during maintenance or replacement procedures.

5. Cost-Effective: The combination of low maintenance requirements and reduced downtime translates into cost savings for businesses. With fewer unexpected breakdowns and lower maintenance expenses, the overall cost of ownership for systems employing pin couplings can be more economical.

6. Reliability: Pin couplings are known for their reliability and durability. When properly selected and installed, they can provide long service life without frequent replacements, contributing to stable and consistent system performance.

By minimizing downtime, maintenance efforts, and associated costs, pin couplings are a preferred choice in various industrial applications. However, it is crucial to ensure that the pin coupling is correctly sized and installed, and regular inspections and maintenance are conducted to maximize its benefits and prevent premature failure.

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 Best Sales Excavator Spare Parts Connector Quick Coupling with Safe Lock Pin  China Best Sales Excavator Spare Parts Connector Quick Coupling with Safe Lock Pin
editor by CX 2024-05-06