Are safety latches required on lifting hooks?
OSHA has provisions requiring the use of hook latches for maritime and construction applications: Crane hooks shall be latched or otherwise secured to prevent accidental load disengagement. Crane hooks shall be latched or otherwise secured to prevent accidental load disengagement.
What is the purpose of safety latch in lifting hook?
A lifting hook is a device for grabbing and lifting loads by means of a device such as a hoist or crane. A lifting hook is usually equipped with a safety latch to prevent the disengagement of the lifting wire rope sling, chain or rope to which the load is attached.
What is a hook latch crane?
A remote operated hook latch allows the crane operator to engage and disengage the safety latch on your crane hook from a distance to keep floor personnel out of danger. In many cases Bradley Lifting can custom design a remote operated hook latch to fit onto your existing crane hook.
What is a sling hook?
The term sling your hook is polite way of telling someone to go away. This term has a nautical origin. Hook was a name given to the ship’s anchor, and the sling was the cradle that housed the anchor. Therefore, to sling your hook meant to lift anchor, stow it and sail away.
What is the maximum amount of twist allowed in a hook?
It should not be more than 5% or 1/4″ from the manufacturer’s original dimension. Check your manufacturer’s recommendations. Also, some hooks have manufactured marks or bumps between the throat opening and the saddle of the hook. These are reference points for measurement.
What is hoist limit switches?
The hoist limit switch is a safety device that is provided to allow the setting of the hoist travel within a prescribed travel range.
What is lifting hoist?
What is a Hoist or Lift? A hoist is simply a type of mechanical device for lifting that can work to elevate someone from a sitting position, and move them safely into another area, such as a bathtub, seat, or bed. Some hoists can even carry patients horizontally between areas in a room.
What is load hook?
1. n. [Drilling] The total force pulling down on the hook. This total force includes the weight of the drillstring in air, the drill collars and any ancillary equipment, reduced by any force that tends to reduce that weight.
What are foundry hooks used for?
Foundry hooks are typically used on chain slings and are designed with a wide deep throat to fit trunnions and handles on molds or castings for foundry work.
When do you need a hook with a safety latch?
OSHA 1926.550 (g) (4) (iv) (B) states that requirements for latches on hooks are not mitigated by the size of the hook or “grandfathered” for older hooks without safety latches Hooks with latches are required when used in conjunction with a personnel platform, overhaul ball assembly, lower load block, or other attachment assemblies
What are the OSHA requirements for lifting hooks?
This is in response to your letter requesting clarification of the OSHA requirement for safety latches on lifting hooks. The requirement for safety latches (AKA throat latches) is only specified in OSHA 1910.181 (j) (2) (ii), which states that “Safety latch type hooks shall be used wherever possible.”
Do you need a safety latch for a lifting bridle?
The lifting bridle on working platforms suspended from cranes for employee access or egress must be secured by a shackle or attached by a closed hook which cannot open due to the load position in the hook. Experience has shown that spring loaded safety latches can open with certain changes in the load position in the hook.
Where can I find OSHA guidance on safety latches?
Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA’s website at https://www.osha.gov. This is in response to your letter requesting clarification of the OSHA requirement for safety latches on lifting hooks.