Introduction
●Compact design, low headroom for wider usage.
●Easy mounting top hook, assembly, alloy steel with heat treatment, won’t break suddenly.
●Able to customize embossed cover.
●Easy mounting chain anchor plate.
●High precision machining gears with higher strength, and better toughness.
●Dust cover on brake system, impact resistance gear cover.
●Double pawls brake system.
●High precision double load chain guide.
●Low Friction Bushing - low maintenance.(Caged roller bearing optional)
●Adopt Japanese technology ,which is the convex word process.
●Low-alloy steel, which is reliable and durable.
●Premium alloy steel grade 80 load chain, which is safe and long serving life.
●Smooth operation, high efficient, small hand pulling force .
●Double pawls, two load chain guides wheel, which are safer.
●Needle bearing optioned.
●Widely used in the nuclear station, thermal power station, etc.
●CE&GS certificates.
| Model |
| DSVR-0.25t | DSVR-0.5t | DSVR-1.0t | DSVR-1.5t | DSVR-2.0t | DSVR-3.0t | DSVR-5.0t | DSVR-10t | DSVR-15t | DSVR-20t | DSVR-30t | DSVR-35t | DSVR-40t | DSVR-50t |
| Capacity | tons | 0.25 | 0.5 | 1 | 1.5 | 2 | 3 | 5 | 10 | 15 | 20 | 30 | 35 | 40 | 50 |
| Standard lift | m | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Running test load | KN | 3.75 | 7.5 | 15 | 22.5 | 30 | 45 | 75 | 150 | 225 | 300 | 450 | 450 | 500 | 750 |
| Effort required to lift rated load | N | 220 | 250 | 285 | 380 | 340 | 370 | 370 | 380 | 380 | 390*2 | 390*2 | 390*2 | 400*2 | 400*2 |
| Diameter of hand chain | mm | 3*15 | 5*23.6 |
| Strands of load chain |
| 1 | 1 | 1 | 1 | 1 | 2 | 2 | 4 | 6 | 8 | 12 | 12 | 14 | 22 |
| Diameter of load chain | mm | 4*12 | 5*15 | 6*18 | 7.1/8*24 | 8*24 | 7.1/8*24 | 9/10*30 | 10*30 | 10*30 | 10*30 | 10*30 | 10*30 | 10*30 | 10*30 |
Dimension | A | mm | 102 | 132 | 132 | 173 | 175 | 205 | 189 | 189 | 200 | 200 | 350 | 480 | 480 | 480 |
| B | mm | 106 | 148 | 148 | 196 | 210 | 255 | 280 | 463 | 718 | 840 | 700 | 725 | 860 | 930 |
| C | mm | 260 | 345 | 376 | 442 | 470 | 548 | 688 | 765 | 900 | 950 | 1020 | 1300 | 1800 | 1920 |
| D | mm | 21 | 35 | 35 | 45 | 50 | 55 | 65 | 75 | 95 | 106 | 110 | 130 | 130 | 130 |
| K | mm | 20 | 23 | 23 | 33 | 35 | 39 | 45 | 54 | 71 | 82 | 85 | 110 | 110 | 130 |
| Net weight | kg | 3.8 | 11 | 12.2 | 16.5 | 19.5 | 24 | 41.1 | 78 | 135 | 192 | 300 | 350 | 800 | 1120 |
| Packing measurement | cm | 20*15*12 | 37*17*18 | 32*20*21 | 37*20*24 | 37*20*24 | 37*25*24 | 40*26*28 | 54*35*47 | 88*40*65 | 88*40*65 | 95*45*70 | 900*800*600 | 900*800*600 | 1300*1000*800 |
| Extra weight per metre of extra lift | kg | 0.37 | 1.5 | 1.8 | 2.4 | 2.4 | 3.7 | 5.4 | 9.8 | 14.7 | 19.6 | 28.5 | 28.5 | 32.5 | 50.5
|
Chain Hoist is widely used manual hoisting machinery which is easy to use and carry. It can be used in factory, mine, agriculture, electricity, construction site, wharf and dock. And it can also be used in installing of machinery, lifting, loading and unloading in the ware house, especially suitable to be used in the open air and the place without power source.
Welcome to buy the newest and competitive price DAWSON DSVR 360° Hand Chain Hoist with Rotatable Hand Chain, 360 Degrees Lifting Chain Blocks from our factory. We're one of the leading China manufacturers and suppliers, offering you the wholesale service and the OEM service at a discount. With CE certification, our products made in China in stock are high in quality and low in price. Please be free to get the free sample from us.
For further information, please contact us. Email:info@dawson-group.com
FEATURES
• Rational and advanced structure, dainty material with high toughness and strength
• Unique and exquisite design with beautiful appearance and famous reputation
• Compact design, small volume and size, light weight with big component strength
• Easy to carry and transport, use, operate and store, convenient for maintenance
• High safety, high reliability, high durability, sold well both domestic and overseas
• Good even excellent performance, simple steps but complex producing and treatment
• Efficient which saves labor, time and effort, economical and affordable prices
• Equipped with hardened load chain for flexibility and long wear-resistance
• Low headroom and lightweight steel construction even in confined spaces
• Common-used parts, universal and strong compatibility with wide application
• High and strict tested under 1.25 times the working load limit for security
• Advanced spray processing technology both inside and outside are painted
• Weston-type load brake requires no lubrication but with smooth operating and lifting
• Adopt weight inspection to ensure the performance of each part to give full play
• Adopt high-quality grade 80 alloy steel and top & bottom hook with heavy duty bolts
DAWSON manual chain hoists are commonly known as chain blocks and are designed for heavy duty lifting and materials handling operations. Chain blocks raise and lower loads by pulling on the hand chain. Chain blocks can be of single or double fall configurations depending on the capacity of the block.
INSPECTION BEFORE USE
Ensure that the chain block name plate and WLL is clearly visible and legible.
The pre-use inspection for a chain block should include the following:
Load chain
1.Inspect chain for wear.
2.Inspect chain for gouges, nicks, arc burns, twisted & bent links and corrosion.
3.Inspect for correct reeving on multi-reeved units (3 and 5 tonne).
Lift wheels & Sheave wheels
1.Inspect lift wheel for foreign material, wear and corrosion.
2.Inspect dead end pins for wear, tightness and corrosion.
Hooks
1.Inspect hooks for signs of opening, cracking, bending, arc burns and corrosion.
2.Hooks should swivel freely.
3.Inspect safety latches for condition & operation.
4.Measure the hook throats for allowable service openings.
Hand chain
1.Inspect chain for wear.
2.Inspect chain for twisted or gouged links and corrosion.
3.Inspect connecting link for signs of opening.
Miscellaneous
1.Inspect frame and covers for distortion, cracks, gouges, corrosion & other damage.
2.Inspect hangers (3 and 5 tonne) for cracks, gouges, corrosion & other damage.
3.Inspect unit for clear WLL identity.
CARE IN USE
1.The load chain must always mesh correctly with the load sheave. With multi fall chain blocks twists can arise by turning over the bottom hook through the load chain.
2.Regularly lubricate the whole length of the load chain with machine or gear oil but be careful not to over lubricate as oil or grease on the brake discs can cause the brake to malfunction and slip.
3.Confirm that the brake is functioning properly by hoisting the load 100mm and check the brake when lowering the load.
4.Non-vertical (sideways pulling) of the hand chain is not recommended on our chain blocks.
5.The hand chain is equipped with a safety link. When the safety link opens or deforms, stop at once and inspect for the cause.
6.Confirm that the monorail beam or structure supporting the chain block is of sufficient strength to support the load to be lifted.
7.Never lift loads in excess of the WLL of the chain block.
8.Never walk or work under a hoisted load and never lift, support or transport people.
9.Use chain blocks manually only.
10.Do not permit more than one operator to pull on the hand chain at one time.
11.Lift loads correctly with proper slings and attachments. Never lift with the point of the hook and never use the load chain as a sling by back hooking.
12.Lifting a load with two chain blocks is not recommended. If the operation is unavoidable, hoist the load with utmost care, keeping the load balanced.
13.Never run the load chain out too far. When operated beyond the range of lift, an excessive load that can cause damage will be imposed on the chain block.
14.Chain blocks are designed for lifting loads vertically and should not be used for horizontal or angle hoisting.
15.Extreme temperatures will reduce the durability of the hoist. Loads should be hoisted or lowered very slowly and carefully in extreme temperatures.
16.Never leave a load hanging on the hoist.
17.Never use the chain or hook as a ground for welding.
Asbestos free brake, holding load at any desired height.
- Robust all-steel construction.
- Top and bottom hooks are fitted with safety latches as standard.
- All rotating components mounted on roller or ball bearings to reduce friction & increase efficiency.
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