Chain Hoist

Your Professional Chain Hoist Supplier

Henan Zhifang Machinery Manufacturing Co., Ltd. is a high-tech enterprise focused on the research, development, production, and sales of high-lift winch mechanisms, material handling equipment, and intelligent control systems. The company boasts strong research and technical capabilities and has established a joint research base for lifting machinery in collaboration with Henan Institute of Technology.

Custom Service
One-on-one service from engineers to recommend suitable product models or provide customized technical solutions based on customer needs.

Logistics and Delivery
Assist customers in arranging the transportation and delivery of goods, ensuring that products are delivered to customers on time.

24H Online Service
On-site installation guidance and training (technical and after-sales personnel provide direct on-site installation and training for customers) or Online Guidance and Technical Training (provide product manuals and one-on-one 24-hour online guidance services support).

On-Time Delivery
Upon receipt of client orders, our factory promptly initiates production without delay. We adhere to a strict production schedule, even for large orders, thereby upholding our commitment to timely delivery as per our agreements.

Hook Type Electric Chain Hoist

Hook Type Electric Chain Hoist is a reliable lifting device designed for heavy-duty applications. Featuring a robust hook mechanism, this hoist ensures secure attachment to loads, making it suitable

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Manual Trolley Chain Hoist

Manual Trolley Chain Hoist combines the efficiency of electric lifting with the flexibility of manual movement. This hoist is perfect for applications requiring both vertical lifting and horizontal

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Low Headroom Electric Chain Hoist

Low Headroom Electric Chain Hoist is engineered for environments with limited overhead space. Its compact design allows for maximum lifting height and efficient use of vertical space, making it an

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Electric Trolley Chain Hoist

Electric Trolley Chain Hoist is a cutting-edge lifting solution designed for efficient material handling in industrial environments. This hoist combines the capabilities of vertical lifting with the

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Parameters of Chain Hoist

Model	Load Capacity (KG)	Lifting Speed (M/min)	Motor Power (Kw)	Motor Speed (R/min)	Working Voltage (V)	Control Voltage (V)	Working Class (FEM/ISO)
0.125-01M	125	8/2	0.4/0.1	2880/720	220-460	24	2M/M5
0.125-01M	125	13/3.2	0.75/0.2	2880/720	220-460	24	2M/M5
0.25-01M	250	8/2	0.4/0.1	2880/720	220-460	24	2M/M5
0.5-01M	500	8/2	0.75/0.2	2880/720	220-460	24	2M/M5
0.5-01M	500	12/3	1.5/0.37	2880/720	220-460	24	2M/M5
0.5-02M	500	4/1	0.4/0.1	2880/720	220-460	24	2M/M5
01-01M	1000	8/2	1.5/0.37	2880/720	220-460	24	2M/M5
01-01M	1000	6/1.5	1.5/0.37	2880/720	220-460	24	2M/M5
01-02M	1000	4/1	0.75/0.2	2880/720	220-460	24	2M/M5
02-02M	2000	4/1	1.5/0.37	2880/720	220-460	24	2M/M5
02-02M	2000	3/0.75	1.5/0.37	2880/720	220-460	24	2M/M5

Types of Chain Hoist

Manual Chain Hoists

Manual chain hoists, also known as hand chain hoists or manual chain blocks, are operated by hand and do not require external power sources. They consist of a hand chain, a lifting chain, and a hoist body with gears and a braking mechanism.
● Portable, lightweight, and easy to transport
● Simple operation: Straightforward design and easy to operate with minimal training
● Cost-effective: Generally more affordable than electric or pneumatic chain hoists

Electric Chain Hoists

Electric chain hoists are powered by electricity and equipped with an electric motor that drives the lifting mechanism. They consist of a chain, a motorized hoist body, controls, and safety features.
● Increased lifting capacity compared to manual chain hoists
● Ease of operation: Precise control and smoother lifting and lowering
● Time-saving: Can lift loads faster, improving productivity

Pneumatic Chain Hoists

Pneumatic chain hoists, also known as air chain hoists, are powered by compressed air. They use a pneumatic motor to drive the lifting mechanism, consisting of a chain and a hoist body.
● Suitable for hazardous environments: Designed to operate safely in potentially explosive or flammable atmospheres
● Robust and durable: Rugged construction to withstand harsh conditions
● Variable lifting speeds: Adjustable speeds allow for precise control based on the application
● Extremely long lifting heights and faster speeds compared to electric or manual hoists

Applications of Chain Hoist

Construction Project
In construction projects, manual chain hoists are valued for their portability and ease of installation. They are usually used to lift construction materials and tools to higher heights. Since they do not require power support, they are often used in some remote factories or where it is not possible to A place where strong power support is guaranteed.

Production Facilities
Your manufacturing facility may rely on electric chain hoists to streamline production lines, especially when handling heavy-duty components. These cranes can be integrated into jib cranes or overhead cranes, ensuring smooth and safe material transfer during assembly.

Warehousing and Material Handling

Warehousing operations often use electric and manual chain hoists to perform material handling tasks. Electric hoists can move inventory quickly, while manual hoists can be used for precise placement of goods in tight spaces or where less frequent lifting is required.

Automotive and Aerospace

In the automotive and aerospace sectors, precision is critical. Electric chain hoists facilitate vehicle and aircraft assembly by moving heavy parts safely into place. Pneumatic chain hoists may find their role in spark-sensitive environments or where clean operation is required due to a lack of electrical components.

Oil, Gas and Mining

Harsh environments such as the oil, gas, and mining industries require rugged and reliable equipment. Electric and pneumatic chain hoists are your workhorses, capable of operating in challenging conditions and lifting heavy loads, including drilling equipment and raw materials.

Precautions for Using Chain Hoists

Proper Load Handling
One of the primary functions of electric chain hoists is to lift and transport loads safely. Key to this is ensuring that the load is properly balanced and securely attached to the hoist. Loads should be directly underneath the hoist to prevent swinging, which can lead to accidents or damage. Overloading the hoist beyond its rated capacity is a common cause of equipment failure; hence, always adhere to the manufacturer’s specified load limits.

Avoiding Side Pulling
Side pulling occurs when a hoist is used to drag a load horizontally before lifting it, putting undue stress on the hoist and its components. This practice can lead to premature wear, component failure, and dangerous load swings. Always position the hoist directly above the load to lift it vertically. If the load needs to be moved horizontally, use appropriate equipment designed for that purpose.

Correct Use of Limit Switches
Limit switches are designed to prevent the hoist chain from over-traveling, which can occur if the hoist lifts too high or lowers too much. While these switches are critical safety features, they are not intended for regular use as stop mechanisms. Relying on limit switches for routine stopping can lead to premature failure of these components.

Regular Communication and Signaling
Clear communication is vital in environments where electric chain hoists are used, especially when the operator’s view is obstructed or when working in teams. Establishing standardized hand signals or using two-way radios can help maintain clear communication between the hoist operator and other personnel.

Emergency Preparedness
Despite all precautions, emergencies can occur. It’s crucial for all operators to be familiar with the hoist’s emergency stop functions and know how to react swiftly in case of a malfunction or when an unexpected situation arises. Regular drills and training sessions on emergency procedures can help ensure that operators are prepared to handle such situations effectively.

Continuous Training and Evaluation
The landscape of industrial safety is always evolving, with new technologies and practices continually emerging. Ongoing training and evaluation of operators are crucial to keep everyone up to date with the latest safety protocols and operational best practices. This includes refresher courses on equipment use, safety standards updates, and hands-on training with new equipment.

Steps to Hanging a Chain Hoist

Assess the Weight Capacity
Before even thinking of hanging your hoist, understanding its weight capacity is paramount. Every hoist is designed to handle a specific maximum load. Overburdening your hoist not only risks equipment damage but can be a significant safety hazard.

Choose a Suitable Support
The support from which you hang your hoist is as crucial as the hoist itself. Selecting a robust, load-rated support like an I-beam, trolley, or a specialized hook ensures the safety of the entire operation.

Inspect the Chain and Hook
Before each use, a thorough inspection of the chain and hook is mandatory. A chain with compromised integrity due to wear, twists, or damaged links can snap under tension. Similarly, a hook with cracks, rust, or deformities can easily fail.

Use a Load-rated Hook or Clamp
Your hoist’s point of attachment is its lifeline. Utilize a load-rated hook or clamp specifically designed for hoist operations. Standard hooks might not have the strength or design suited for hoisting, potentially leading to dangerous failures.

Align the Hoist Vertically
Vertical alignment is key to distributing the weight evenly. If the hoist is misaligned, it may lead to side-loading. This asymmetrical weight distribution not only causes uneven wear and tear on your equipment but can also lead to sudden equipment failure.

Connect the Load
With the hoist securely hung, it’s time to attach the load. This step is about precision and balance. An unbalanced load can tilt, potentially causing the hoist to shift or the item being lifted to swing uncontrollably.

Test Before Full Use
As a rule of thumb, never dive right into a full lift. Start by testing the hoist with a load lighter than the intended one. This initial test serves two purposes: it confirms that everything is set up correctly and provides an opportunity to ensure that the load will be lifted and lowered smoothly without any hitches.

Packaging and Shipping

Packaging

Carton/Wooden Case

Can be according to customer require

Shipping

We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.

Factory Quality Control

● Technical Specifications: Unified training for new employees, including production processes, equipment usage, and quality standards.
● Incoming Material Inspection: Carefully select suppliers, thoroughly review raw materials, and store and manage them according to standards after acceptance.
● Plan Verification: Design drawings and product plans are re-checked by the chief engineer to ensure compliance with standards.
● Process Quality Inspection: Implement a "three inspections" system during the production process to ensure product quality meets standards.
● Finished Product Inspection: Inspect the appearance, performance, and safety of products to ensure that they meet quality requirements before shipment.

Company Appearance

Production Equipment

Patent Certificates

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FAQ

Q: What is the working principle of chain hoist?

A: Lifting goods down, anticlockwise pulling the chain, the brake base will separate from the brake pad, the ratchet wheel will stop under the effect of the ratchet pawl, five long shaft lifting sprocket driven gear in the opposite direction, and the products will be lifted stably.

Q: What are the features of a chain hoist?

A: Chain hoists consist of forged steel swivel hooks with latches, fully enclosed gears, and an alloy-grade chain to do all the heavy lifting. The forged steel swivel hook aids in rigging and helps to ensure straight-line loading between hooks.

Q: Can I use a chain hoist to pull horizontally?

A: No, you shouldn't use a chain hoist to pull horizontally. Chain hoists are primarily designed for vertical lifting. Using them to pull horizontally can risk equipment damage and safety hazards. Instead, use a trolley, winch, or puller for vertical horizontal pulling.

Q: How do you inspect a chain hoist?

A: Check for: Nicks, gouges, deformation, flaws, heat damage, bent links, wear, stretch, corrosion,pitch elongation and proper lubrication. Inspect Hand Chain for deformation and pitch elongation. Inspect Cable Hoist wire rope for: broken wire, broken strands, kinks and any deformation to the rope structure.

Q: What is the duty cycle of a chain hoist?

A: The duty cycle is expressed as a ratio or as a percentage. For example, a hoist operates for 1 minute, then is shut off for 99 minutes, then is run for 1 minute, and so on. The hoist runs for one out of every 100 minutes, so its duty cycle is expressed as 1/100, or 1 percent.

Q: What is the difference between a chain hoist and a lever hoist?

A: The lever hoist also has to be used right near you but you can operate the hand chain hoist from where you stand on the ground even when the hoist is positioned high up. It also has the capacity to lift larger loads than the lever hoist using mechanical advantage and needs less room to operate.

We're professional chain hoist manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to buy high-grade chain hoist from our factory.

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