What is a Renfroe clamp?
What is a Renfroe clamp?
J.C. Renfroe & Sons is a U.S. manufacturer of plate clamp lifting equipment. The company is known for producing quality plate lifters, beam web clamps, self-locking clamps and vertical lift clamps for industrial applications such as the lifting sheets of metal, wood, marble or I-beams.
What is plate clamp?
Plate clamps eliminate the need for drilling or creating a hitch. The most important parts of a plate clamp include the lifting shackle, spring, teeth within the jaw, and the various links and pins. To lift a plate, the teeth of the plate clamp need to be pushed into the plate.
What are plate clamps used for?
Horizontal plate lifting clamps are generally used in pairs and can be ideal for moving plates/sheets material in horizontal position. The grip of the clamp is made of hardened steel to prevent any slippage from the load, and the jaws of the clamp can be serrated teeth or smooth finish, depending on the job.
What nationality is Renfroe?
Scottish
Renfroe is a surname of Scottish origin, and a variant of Renfrew. Notable people with the surname include: Anita Renfroe (born 1962), American Christian comedian from Atlanta, Georgia, the wife of a Baptist pastor.
Can beam clamps be used for lifting?
20 Lifting Device the Tandemloc Beam Clamp is suitable for lifting and moving I shaped structural members and fabrications. These include W-Shapes, M-Shapes, HP-Shapes and S-Shapes, as long as they are within the flange range and WLL of the selected size of the selected Tandemloc Beam Clamp.
How does a scissor clamp work?
Suspend from an overhead hoist and the gripping jaws engage the product from the sides. The heavier the load, the more gripping force is applied. A simple mechanism releases and closes the jaws for each lift cycle.
What does Renfro mean?
The names Renfro and Renfrew are of locality origin, from the town of Renfrew. This name is of Scottish descent and is found in many ancient manuscripts in that country. Examples of such are an Adam de Renfru, of Edenburk, who rendered homage in 1296.
How do you inspect plate clamps?
How should you inspect the exterior of a clamp?
- Follow the clamp manufacturers’ maintenance recommendations.
- Inspect internal and external surfaces for forging or weld fractures, wear and distortion.
- Check all pin holes for wear.
- Inspect the throat (clamp opening) width.
- Measure the width of the throat.
What are beam clamps?
A Beam Clamp is a mechanical support used to attach a hanger rod to top flange of a beam or bar joist. Beam clamps can attach to the top flange up to 1-1/4” thickness. There are numerous types of beam clamps such as small mouth, large mouth, purlin, center-load, c-clamp, and light duty steel.
How are beam clamps used?
Beam clamps are fairly simple in design. They are composed of a set of jaws that open and close by the operation of a threaded handle. The jaws are designed to fit around and onto the flange of a beam. Once tightened to the beam, it will serve as a stationary attachment point for lifting or suspending devices.
How much weight can a beam clamp hold?
Mexico Specific Item
| Bolt Size | 3/8″-16 |
|---|---|
| Load Limit | 400 lb |
| Material | Malleable Iron |
| Mount Type | Bottom Flange |
| Rod Size | 3/8″-16 |
What kind of clamps does JC Renfroe use?
The company is known for producing quality plate lifters, beam web clamps, self-locking clamps and vertical lift clamps for industrial applications such as the lifting sheets of metal, wood, marble or I-beams.
What kind of lifting equipment does j.c.renfroe make?
The clamps are commonly found in the fabrication, shipbuilding and manufacturing industries. J.C. Renfroe is a subsidiary of The Caldwell Group, a company known for its manufacturing of quality below-the-hook lifting equipment. J.C. Renfroe & Sons is a U.S. manufacturer of plate clamp lifting equipment.
What kind of chain is used on a Renfroe plate?
Due to the variety of conditions that may exist in handling these plates, it is recommended that these clamps be used in pairs and attached to a chain or wire rope sling, supported by a spreader beam. The Model NM is supplied with stainless steel gripping surfaces and is available with steel or bronze upon request.
What kind of plate clamps do I Need?
Plate Clamps are available in many different sizes, capacities and types from Lift-It Manufacturing Company, Inc. Our Rigging Resource Guide details the most complete line of Plate Clamps, including Renfroe Plate Clamps, vertical lifting plate clamps, Superclamps and related rigging equipment available.