Product Description

Excavator bucket quick couplers, quick hitch, hydraulic quick release coupling
 

Product Description

Excavator quick coupler, also named as quick hitch coupler, quick hitch, bucket pin grabber can quickly connect various attachments (bucket, hydraulic breaker, hydraulic plate compactor, log grapple, ripper, etc.) on excavators, which can expand the scope of use of excavators, and save time and improve work efficiency.

As 1 of the leading excavator quick coupler manufacturers in China, HOMIE has a full range of quick hitch couplers for all kinds of brands and models of excavators.

Product Parameters

Please check the following quick coupler specification to choose the right model:

Category	Unit	Mini	HM02	HM04	HM06	HM08	HM10	HM14
Pin Diameter	mm	20-40	40-45	45-60	60-70	70-80	90-100	100-110
Oil Pressure	bar	25-300	25-300	25-300	25-300	25-300	25-300	25-300
Operating Flow	Lpm	15-25	15-25	15-25	15-25	15-25	15-25	15-25
Weight	kg	25-40	50-75	70-110	180-250	350-450	550-650	650-800
Suitable Excavator	Ton	1.5-3	4-6	6-9	12-16	17-25	26-35	35-45

More Products:
HOMIE develop and produce different types of excavator attachments, provide one-stop purchasing service. Our main products are different types of grapple, quick coupler, hydraulic plate compactor, rotary screening bucket, crusher bucket, heavy duty shear, demolition shear, hydraulic pulverizer, orange peel grapple, car dismantling shear, sleeper changer…

Company Profile

HangZhou Hemei Hydraulic Machinery Equipment Co., Ltd is 1 of leading manufacturers for excavator attachments in China. All products’ quality are strictly under control from processing to delivery. By continuous innovation and improvement, the company has got ISO 9001, CE certifications and technical patents successively. Our products have been sold to widely domestic and oversea customers and long term partnerships have been developed.

 

Certifications

 

 

Exhibition:

 

FAQ

1.What color can you produce ?
Yellow.If you need special, please advise.

2.How about the delivery time ?
Within 3-7 working days after receiving advance payment.

3.What’s the MOQ and payment ?
MOQ is 1 set.
T/T, L/C, Credit card, Money Gram, west union is accepted. and other terms can also be negotiated.

4.Are you a manufacture?
Yes, our factory was established in 2018.

5.Can you produce according to customers’ design?
Sure,we are professional manufacturer,OEM is available.

6.Which country have you exported?
America,Brazil,Mexico,Canada, Australia, Peru,Spain,Egypt,Pakistan, South Africa,etc.

7.How to buy my wanted products quickly?
Show me the model or the weight of your excavator, and we can give you best solution.
If you want to know the CHINAMFG freight,please also suggest your nearest SEAPORT.

8.How about the package?
Plywood case, or as customers’ demands.

9.How about your service?
7Days *24Hours hot line and email service.
Well-Retrained and experience staffs will answer all your questions within 12 hours.

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Are there specialized hydraulic couplings for high-pressure or high-flow applications?

Yes, there are specialized hydraulic couplings designed to meet the demands of high-pressure and high-flow applications. These specialized couplings are engineered to handle the increased loads, pressures, and flow rates typically encountered in industrial settings where heavy-duty equipment and machinery are used. Here are some types of hydraulic couplings commonly used in such applications:

• High-Pressure Hydraulic Couplings: High-pressure hydraulic couplings are constructed with robust materials and advanced sealing technologies to withstand extreme pressure levels. They are commonly used in hydraulic systems that operate at pressures exceeding standard hydraulic system limits. These couplings ensure reliable power transmission and prevent leakage or failure under high-pressure conditions.
• Quick-Disconnect Couplings: Quick-disconnect couplings, also known as quick-release or quick-connect couplings, are designed for rapid and efficient connection and disconnection of hydraulic lines. They are prevalent in high-flow applications where frequent connections and disconnections are necessary, such as in construction equipment, agricultural machinery, and manufacturing processes.
• Multi-Couplings: Multi-couplings allow the simultaneous connection of multiple hydraulic lines with a single motion. These couplings are suitable for applications with complex hydraulic circuits, such as material handling systems and mobile hydraulics. They simplify the connection process and minimize downtime during equipment setup or maintenance.
• High-Flow Hydraulic Couplings: High-flow hydraulic couplings are designed to accommodate large volumetric flow rates in hydraulic systems. They feature larger passageways and flow channels to reduce pressure drop and ensure efficient fluid transfer in applications like heavy machinery, material handling, and large-scale industrial processes.
• Flush Face Couplings: Flush face couplings provide a leak-free connection when connected or disconnected. They are suitable for high-pressure applications where minimizing fluid loss during connection and disconnection is critical for safety and environmental reasons.
• Flat Face Couplings: Flat face couplings are ideal for high-pressure applications where cleanliness and contamination control are essential. Their flat mating surfaces prevent trapping debris during connection, making them suitable for construction equipment, mining machinery, and other rugged applications.
• High-Temperature Hydraulic Couplings: High-temperature hydraulic couplings are designed to operate in extreme temperature environments, such as those encountered in hot industrial processes or near machinery generating significant heat. They use specialized seals and materials that can withstand elevated temperatures without compromising performance.

Specialized hydraulic couplings are engineered to handle the unique challenges posed by high-pressure or high-flow applications, ensuring safe, efficient, and reliable operation in demanding industrial environments. When selecting a hydraulic coupling for such applications, it’s crucial to consider factors like the specific pressure and flow requirements, environmental conditions, compatibility with the hydraulic fluid, and the overall system design to achieve optimal performance and safety.

How do hydraulic couplings compare to other coupling types, such as mechanical or magnetic couplings?

Hydraulic couplings, mechanical couplings, and magnetic couplings are three distinct types of couplings used in various applications to transmit power between shafts. Each type of coupling offers specific advantages and limitations, making them suitable for different scenarios. Here’s a comparison of hydraulic couplings with mechanical and magnetic couplings:

• Power Transmission:
  • Hydraulic Couplings: Hydraulic couplings transmit power using hydraulic fluid to transfer torque between connected shafts. They are well-suited for applications with varying torque demands, as the fluid medium can accommodate fluctuations and dampen shock loads.
  • Mechanical Couplings: Mechanical couplings directly connect the shafts through solid mechanical links, such as rigid couplings or flexible couplings (e.g., gear, jaw, or disc couplings). They efficiently transmit power without losses, making them suitable for high-torque applications.
  • Magnetic Couplings: Magnetic couplings use magnetic fields to transfer torque between shafts. They offer non-contact power transmission, which eliminates the need for mechanical seals, making them suitable for applications requiring hermetic sealing, such as pumps handling hazardous fluids.
• Speed and Torque:
  • Hydraulic Couplings: Hydraulic couplings can accommodate variations in speed and torque within their design limits. They offer good torque-to-inertia ratio, enabling smooth acceleration and deceleration in hydraulic systems.
  • Mechanical Couplings: Mechanical couplings maintain precise shaft alignment and have high torque capacity. However, they may not handle speed variations as effectively as hydraulic couplings.
  • Magnetic Couplings: Magnetic couplings are not suitable for high-torque applications, but they offer excellent speed control and precise torque transmission without direct contact between shafts.
• Maintenance and Wear:
  • Hydraulic Couplings: Hydraulic couplings may require periodic maintenance, such as seal replacements, to ensure proper operation. They experience wear due to fluid flow and pressure.
  • Mechanical Couplings: Mechanical couplings have mechanical wear and may require lubrication and maintenance to sustain optimal performance and prevent misalignment over time.
  • Magnetic Couplings: Magnetic couplings have minimal wear and require less maintenance due to their non-contact nature. They are less prone to mechanical failures but may require magnetic field adjustments.
• Environmental Considerations:
  • Hydraulic Couplings: Hydraulic couplings may require hydraulic fluid, which must be properly managed and maintained. They can be susceptible to fluid leakage if not adequately sealed.
  • Mechanical Couplings: Mechanical couplings can generate friction and heat during operation, which may require cooling measures in high-speed applications.
  • Magnetic Couplings: Magnetic couplings are hermetically sealed, preventing fluid leakage and offering environmental advantages in applications where containment is critical.

The selection of the most appropriate coupling type depends on the specific requirements of the application, including torque, speed, environmental factors, maintenance considerations, and cost. Each coupling type offers unique features that cater to diverse industrial needs, making them valuable components in numerous mechanical systems.

What are the key design considerations when using hydraulic couplings in hydraulic systems?

Designing hydraulic systems with hydraulic couplings requires careful consideration of various factors to ensure optimal performance, reliability, and safety. Here are the key design considerations:

1. Fluid Compatibility: Select hydraulic couplings made from materials compatible with the hydraulic fluid used in the system. Incompatible materials may lead to chemical reactions, corrosion, or degradation of the coupling, affecting its performance and service life.
2. Pressure Rating: Ensure that the hydraulic coupling has an adequate pressure rating to handle the maximum operating pressure of the hydraulic system. Using a coupling with a lower pressure rating may lead to failure and system leaks.
3. Temperature Range: Consider the temperature range in which the hydraulic system will operate. Choose a hydraulic coupling that can withstand the minimum and maximum temperatures without deformation or loss of performance.
4. Torsional Stiffness: Evaluate the required torsional stiffness of the coupling based on the system’s torque demands. A coupling with insufficient torsional stiffness may lead to excessive vibrations and decreased system accuracy.
5. Misalignment Compensation: Hydraulic couplings should be able to accommodate misalignments between the driving and driven shafts. Consider the angular, radial, and axial misalignment capacity of the coupling to prevent excessive stress on the system components.
6. Speed and Torque Requirements: Determine the speed and torque demands of the hydraulic system. Choose a coupling that can handle the required torque and rotational speed to ensure efficient power transmission.
7. Environmental Conditions: Factor in the environmental conditions the hydraulic system will be exposed to, such as moisture, dust, chemicals, or extreme temperatures. Select a coupling with appropriate coatings or materials to withstand these conditions.
8. Overload Protection: Consider whether overload protection is necessary for the hydraulic system. Some hydraulic couplings offer built-in overload protection features, which can be beneficial in preventing damage during unexpected load spikes.
9. Installation and Maintenance: Choose a hydraulic coupling that is easy to install and maintain. Accessible coupling designs simplify inspection and servicing, reducing downtime and maintenance costs.
10. Size and Weight: Consider the available space and weight constraints in the system. Opt for a hydraulic coupling that fits within the available space and meets the weight limitations without compromising performance.

By carefully considering these design considerations and selecting the appropriate hydraulic coupling, designers can ensure a reliable and efficient hydraulic system that meets the specific requirements of the application. Regular maintenance and proper coupling installation also play a crucial role in prolonging the life and performance of the hydraulic system.

editor by CX 2024-04-13