▶ Product Introduction
● Bearing mechanism increases mechanical efficiency;
● Forged and heat treat top and bottom hooks with safety latch;
● Double pawl mechanism supporting brake system;
● Double cover to keep out rainwater and dust;
● Sure and Reliable mechanical brake.Highly accurate and durable gears;
● Meets requirement of En13157;
● Alloy steel load chain,Variety surface treating option.
▶ Technical parameters
| Model. | HSZ-D 1T | HSZ-D 2T | HSZ-D 3T | HSZ-D 5T | |
| Capacity（T） | 1 | 2 | 3 | 5 | |
| Standard lift（m） | 3 | 3 | 3 | 3 | |
| Load Chain | No.of falls | 1 | 1 | 1 | 2 |
| Dimension mm | 6X18 | 8X24 | 10X30 | 9X27 | |
| Effor required to lift max.load（n） | 250 | 335 | 372 | 360 | |
| Dimensions（mm） | A | 149 | 176 | 231 | 249 |
| B | 153 | 173 | 185 | 185 | |
| C | 29 | 35 | 39 | 49 | |
| D | 352 | 385 | 445 | 615 | |
| Net Weight（kg） | 14.5 | 19.5 | 32 | 41 | |
| Gross weight（kg） | 15 | 20 | 34 | 43.5 | |
| Extra weight per meter of extra lift（kg） | 1.65 | 2.15 | 3 | 4.8 | |
▶ Company Introduction
Baoding Hoisting Machinery Works ,founded in1976,covers an area of 25000 square,owning more than 180 employees,lt is located in the ancient city of Baoding,which is close to the highway,107 national road and other important traffic trunklines.The convenient transportation and flow of information make us have the unique geographical advantage.Our factory has rich production experience, advanced production equipment, and perfect means.
▶ Our Products
Our main products are "golden dragon" brand HS, HSZ-A, HSZ-B, HSZ-C, HSZ-D, HSZ-E, HSZ-VD, HSZ-VT, HSZ-O, and roller shutter series Chain Block.At the same time,we also produce HSH-E and HSH-VT series lever hoists; PA.CD1.MD1.JC25 and HHBB series electric hoists; GCT and DST series plain trolley; hand hydraulic car; Electric Winch; cargo trolley; Magnetic lifter; Mechanical Jack; webbing slings etc.
▶ Qualifications Possessed
Our chain blocks have passed the CE certficate GS certificate and ISO9001 international quality system certificate since 20o1.For their reliable performance and excellent quality,our commodities have been exported to more than 30 countries in the world,and earn good reputation both at home and abroad.
At present,our annual production capacity is 150000 units _and more than 95% of them are exported abroad.Providing first-class products and thoughtful after- sales service are our consistence purpose.Sincerely welcome you to establish business relations with us,and seek common development!
HSZ-D 2T Series Chain Block: A Practical Guide to Reliable 2-Ton Manual Lifting
How do you choose the right Manual Chain Block when your lifting job involves loads up to 2 tons? Do you need an electric Hoist, or can a hand-operated solution handle the work more simply?
These are questions we hear regularly from workshops, factories, construction companies, maintenance teams, and material-handling users. In many cases, the answer starts with understanding the actual lifting task rather than simply looking at the product name.
At Baoding City Hoisting Machinery Factory, we have been manufacturing lifting equipment since 1976. Our factory covers approximately 25,000 square meters and has more than 180 employees. With decades of production experience, we manufacture a wide range of lifting and material-handling equipment, including manual chain hoists, lever hoists, electric hoists, monorail trolleys, Electric Winches, wire rope pullers, Lifting Chains, slings, clamps, jacks, and material-handling equipment.
The HSZ-D 2T Series Chain Block is part of our Jinlong-branded manual chain hoist range. Based on its product designation, the model has a nominal 2-ton lifting capacity. It is intended for suitable manual lifting applications where a freely suspended load needs to be raised or lowered in a controlled manner.
In this guide, I will explain how we look at this type of manual lifting equipment, where it can be used, what to consider before buying one, how it compares with other hoists, and what simple operating habits can help keep lifting work organized and safe.
The HSZ-D 2T Series Chain Block is a manually operated lifting device designed for suitable vertical lifting of freely suspended loads. Instead of using an electric motor, the operator pulls the hand chain to operate the internal lifting mechanism.
The basic idea is simple: use mechanical advantage to make manual lifting possible. This makes a chain block useful in places where electrical power is unavailable, inconvenient, or simply unnecessary for the job.
ASME HST-2 establishes performance requirements for hand chain manually operated chain hoists used for vertical lifting service involving freely suspended, unguided loads. The standard covers hoists using welded-link load chain and identifies hook, clevis, and trolley suspension arrangements within its scope.
That definition is useful when choosing a hoist because it reminds us that a manual chain block is not a universal pulling device. The lifting direction, load condition, support structure, and intended application all matter.
No electrical power is needed: The normal lifting operation is driven manually through the hand chain.
Simple operation: The basic working principle is easy for trained operators to understand.
Controlled load movement: Manual operation can be useful when a load needs to be positioned carefully.
Flexible installation: A suitable hoist can be used with an appropriate support point or compatible trolley arrangement.
Useful for maintenance: It can be practical for lifting tasks that do not happen continuously.
For us as a manufacturer, the most important thing is matching the product to the job. A 2-ton chain block should not simply be selected because the load happens to be close to 2 tons. We also need to understand the support point, lifting height, operating frequency, environment, accessories, and load behavior.
The working principle of a manual chain block is relatively straightforward. The operator pulls the hand chain. The hand chain drives the internal gear system, which transfers the input force to the load chain mechanism. The load chain then moves through the hoist and raises or lowers the suspended load.
The gearing creates mechanical advantage. In simple terms, the operator's hand force is converted into a controlled lifting action rather than requiring the operator to physically lift the load.
This is one reason manual chain hoists remain useful after many years of development in the lifting industry. A workshop may have an electric power supply, for example, but that does not mean every small or occasional lifting task needs an electric hoist.
Inspect the chain block before starting.
Confirm the actual load weight.
Check the rated capacity of the selected hoist.
Inspect the lifting support and connection point.
Attach the load using suitable lifting accessories.
Make sure the load is properly aligned.
Clear unnecessary personnel from the lifting area.
Lift gradually and observe the load.
Stop immediately if unusual noise, movement, slipping, deformation, or other abnormal conditions appear.
ASME B30.16 covers construction, installation, operation, inspection, testing, and maintenance of overhead, underhung, and stationary hoists, including hand-chain-operated hoists used for vertical lifting and lowering of freely suspended, unguided loads consisting of equipment and materials.
In other words, the chain block itself is only one part of the lifting system. The support structure, lifting accessories, load, and operating method all have to work together.
One reason we continue to manufacture manual chain hoists is their wide range of practical applications. A 2-ton manual chain block can be useful in different industries as long as the specific lifting task is suitable for the equipment.
Imagine a maintenance team needs to lift a motor, gearbox, pump, machine component, or other suitable load. If a proper overhead support point is available, a manual chain hoist can provide a straightforward lifting method without requiring an electric motor.
The operator can raise the component gradually, stop, check the position, and continue when ready. This can be useful during repair work where careful positioning is more important than lifting speed.
When installing machinery, workers may need to lift and position components before final installation. A manual chain block can be considered when the load and support structure are suitable and the lifting process does not require continuous powered operation.
For example, a machine component may need to be raised just enough to align with mounting holes. In this situation, controlled manual movement can be practical.
Some warehouses perform occasional lifting rather than continuous production lifting. A suitable manual chain block can be useful for certain maintenance and material-handling tasks when an appropriate overhead support is available.
However, users should distinguish between vertical lifting and horizontal material movement. A standard hand chain hoist is intended for the type of vertical lifting service described by its applicable requirements, rather than being treated as a general-purpose dragging device.
Construction environments can change quickly. A manual chain block may be useful when workers need to perform a suitable lifting task at a location where electrical power is not convenient.
Before using the equipment, however, the support point, ground conditions, access area, load path, weather conditions, and surrounding personnel should all be considered.
Maintenance teams often need equipment that can be moved between work areas. A manual hoist can be convenient because normal operation does not depend on an electrical power supply.
For service work, we usually recommend paying particular attention to equipment condition. A hoist that has been stored for a long time should be inspected before being returned to service.
| Application | Why Manual Lifting Can Be Useful | Important Check |
|---|---|---|
| Workshop maintenance | Convenient for occasional lifting | Load and overhead support |
| Equipment installation | Controlled positioning of components | Load alignment and connection |
| Warehouse work | No electrical power required for manual operation | Vertical lifting suitability |
| Construction work | Flexible for suitable lifting tasks | Site conditions and support structure |
| Repair and service | Useful for mobile maintenance work | Equipment condition and inspection |
Source note: The application examples above are based on practical manufacturing and material-handling scenarios. The stated scope for hand-chain hoists and vertical lifting is supported by ASME HST-2 and ASME B30.16.
Customers often ask us whether a manual chain block is better than a lever hoist or an electric hoist. I prefer to look at this as a question of application rather than a simple product ranking.
A manual chain block is generally intended for vertical lifting of suitable freely suspended loads. A lever hoist is designed for lifting, pulling, and tensioning applications within its intended scope. An electric chain hoist uses motorized operation and may be suitable when lifting is frequent or when reducing manual effort is important.
| Equipment Type | Operating Method | Typical Application | Power Requirement |
|---|---|---|---|
| Manual Chain Block | Hand chain | Vertical lifting of suitable freely suspended loads | No electrical power for normal manual operation |
| Lever Hoist | Manual lever | Lifting, pulling, and tensioning applications | No electrical power for normal manual operation |
| Electric Chain Hoist | Electric motor | Powered vertical lifting | Electrical power required |
Source: ASME HST-2 covers hand-chain-operated chain hoists, while ASME HST-3 covers lever hoists. ASME B30.16 covers overhead, underhung, and stationary hoists, including hand-chain-operated and electric-powered hoists within its scope.
We usually consider manual lifting when the job is occasional or moderate in frequency and electrical power is not necessary. A maintenance team working on different machines, for example, may not need a permanently installed electric lifting system for every task.
The manual approach can also be useful when the operator needs to make small lifting adjustments while positioning a load.
If lifting becomes a repeated part of a production process, users may need to consider powered equipment. Repeated lifting can make factors such as operating cycle, lifting speed, operator workload, and production efficiency more important.
We therefore recommend choosing the equipment according to the complete workflow instead of comparing products only by their nominal capacity.
When a customer asks us for a 2-ton manual chain hoist, we normally ask several questions before discussing the exact product configuration.
The HSZ-D 2T Series Chain Block is identified as a 2-ton model. However, users should confirm the rated capacity shown on the actual product and documentation before operation.
We also recommend leaving appropriate consideration for the complete lifting arrangement rather than treating the rated capacity as a target operating weight.
This is particularly important. ASME HST-2 describes hand-chain-operated hoists for vertical lifting service involving freely suspended, unguided loads. It does not make a standard chain block a universal tool for horizontal pulling, guided loads, or personnel lifting.
If your application is different from normal vertical lifting, we recommend discussing the actual working condition before choosing the product.
A workshop may use a chain block a few times each week, while a production line may need lifting operations repeatedly throughout a shift.
These are different requirements. Frequency of use should be considered together with duty, operating environment, lifting height, workflow, and maintenance planning.
Check whether the hoist will be used indoors or outdoors. Consider dust, moisture, temperature, corrosive substances, available headroom, and the amount of working space around the load.
A clean indoor workshop and a harsh outdoor construction environment should not automatically be treated as the same application.
This is one of the points we emphasize most strongly. The lifting point must be suitable for the complete load and lifting arrangement.
A correctly rated hoist cannot make an unsuitable beam or support structure safe. The support should be evaluated according to the actual site conditions and applicable requirements.
Slings, shackles, lifting clamps, hooks, beams, and trolleys may become part of the lifting system. Every component needs to be suitable for the intended application.
| Selection Factor | Questions to Ask | Practical Reason |
|---|---|---|
| Load | What is the actual load weight? | Confirms whether the capacity is appropriate |
| Direction | Is the load vertically suspended? | Matches the intended operating scope |
| Frequency | How often will lifting occur? | Helps determine the appropriate equipment type |
| Environment | Indoor, outdoor, wet, dusty, restricted? | Can affect operation and maintenance |
| Support | Is the overhead point suitable? | The support must handle the complete lifting arrangement |
| Accessories | Are the connections and lifting accessories suitable? | All components must work together correctly |
Source note: The checklist combines our practical product-selection experience with the construction, installation, operation, inspection, testing, and maintenance considerations covered by ASME B30.16.
A manual chain block is mechanically straightforward, but good operating habits still matter. In our factory, we always emphasize that lifting safety depends on both the equipment and the way it is used.
Inspect the load chain for visible damage, corrosion, deformation, or abnormal wear.
Check the hooks and connection components.
Make sure the load is attached correctly.
Confirm that the load is within the applicable rated capacity.
Check the overhead support point.
Make sure the load path is clear.
Keep unnecessary personnel away from the suspended load.
One practical habit we recommend is to raise the load only a short distance first. Stop and check the load position, connection, and overall behavior.
If the load begins to swing, tilt, or move unexpectedly, stop the operation and correct the problem. Do not try to solve an unstable lifting arrangement simply by pulling harder on the hand chain.
A suspended load should always be treated as a potential hazard. Operators and other workers should stay out of the drop zone.
Also, a standard manual chain hoist should not be used for lifting or supporting people. ASME HST-2 specifically excludes hoists used for lifting or supporting people from its scope.
We sometimes see customers asking whether a hoist can be modified for a special application. We recommend consulting the manufacturer or a qualified person before making any modification.
ASME HST-2 excludes hoists that have been altered without authorization by the manufacturer or a qualified person.
Inspection should be based on actual usage, service conditions, equipment condition, manufacturer's instructions, and applicable workplace requirements.
ASME B30.16 includes provisions for inspection and testing, operator training and operation, and maintenance training and maintenance.
For example, the ASME B30.16 inspection framework varies inspection frequency according to service conditions rather than applying one identical schedule to every hoist.
Our practical advice is simple: if the chain, hook, brake, body, or operating mechanism shows an abnormal condition, stop using the equipment until it has been properly evaluated.
The 2T designation indicates a nominal 2-ton lifting capacity for this model. Users should always verify the rated information of the actual product before operation and make sure the complete lifting arrangement is suitable.
No. It is a manually operated chain block. The operator uses the hand chain to operate the lifting mechanism, so normal manual operation does not require an electrical power supply.
Suitable applications may include workshop maintenance, equipment installation, warehouse lifting, construction-related material handling, and repair work. The actual load, lifting direction, support structure, working environment, and applicable requirements should always be considered.
You should not automatically use a standard chain block for horizontal pulling. ASME HST-2 defines its scope around vertical lifting service involving freely suspended, unguided loads. Special applications require appropriate equipment and evaluation.
No. A standard material-handling chain hoist should not be used as a personnel-lifting device. ASME HST-2 specifically excludes hoists used for lifting or supporting people.
After many years of manufacturing lifting equipment, we have found that selecting a chain block is usually easier when customers start with the actual job instead of the product name.
The HSZ-D 2T Series Chain Block is a manual lifting solution intended for suitable loads up to its rated capacity. Its hand-operated design makes it useful for applications where electrical power is not needed or where occasional controlled lifting is required.
At Baoding City Hoisting Machinery Factory, we have been producing lifting equipment since 1976. Our 25,000-square-meter facility and team of more than 180 employees support our production and testing work. Our Jinlong range includes several manual chain hoist models, including HS, HSZ-A, HSZ-B, HSZ-C, HSZ-D, HSZ-E, HSZ-BK, HSZ-CK, HSZ-VT, and HSZ-O.
We also manufacture HSH-E and HSH-VT lever hoists, PA, CD1, MD1, JC25, and HHBB electric hoists, GCT, DST, and GST monorail trolleys, manual pallet trucks, folding carriers, truck-mounted lifting equipment, electric winches, wire rope pullers, electric lifting machines, moving skates, Magnetic lifters, jacks, lifting chains, slings, and lifting clamps.
Our experience has taught us that reliable lifting is not only about the hoist itself. The support structure, lifting accessories, load condition, operating method, inspection routine, and maintenance plan all matter.
Before choosing a 2-ton manual chain block, I recommend asking four simple questions: How heavy is the load? How will it be lifted? How often will it be lifted? And where will the lifting take place?
If those answers point toward a suitable manual vertical lifting application, the HSZ-D 2T Series Chain Block can be considered as part of the lifting solution. The final selection should always follow the actual product rating, manufacturer's instructions, applicable local regulations, and the requirements of the complete lifting system.
For us, good lifting equipment should be practical and understandable. We do not believe users need complicated language to understand a chain hoist. They need clear product information, suitable equipment, proper operation, and a maintenance routine that makes sense in the real workplace.
ASME HST-2, Performance Standard for Hand Chain Manually Operated Chain Hoists.
ASME B30.16, Overhead Underhung and Stationary Hoists.
ASME HST-3, Performance Standard for Lever Hoists.
ASME B30.16 inspection and maintenance provisions.
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