swing joint

A mechanic inspects the swing joint of a large excavator arm.

Definition

1. Noun:
   • Mechanical or structural component: A "swing joint" is a mechanical fitting or connection that allows two parts to pivot or rotate relative to each other, typically used in piping, machinery, or structural engineering.
   • Anatomical reference (less common): In anatomy, "swing joint" may refer to a type of joint that permits swinging or rotating motion, such as the hip or shoulder.

Usage Examples

• Mechanical context:

  • The plumber installed a swing joint in the pipe system to allow for movement without leaks. (A fitting that permits rotation in a pipeline.)
  • The robotic arm uses a swing joint to achieve a wide range of motion. (A pivot point enabling angular movement.)

• Anatomical context:

  • The shoulder is a swing joint that allows the arm to rotate freely. (A joint enabling swinging or circular motion.)

Advanced Usage

• "to have a swing joint": to possess a pivot or rotating connection.

  • The crane's boom has a swing joint at its base for smooth operation. (The crane arm rotates at the base due to this joint.)

• "swing joint mechanism": the mechanical assembly involving such a joint.

  • The swing joint mechanism in the conveyor belt reduces wear by allowing flexibility. (The rotating connection prevents stress.)

Variants and Related Words

• Swing (noun/verb): a back-and-forth or rotating motion.
  • The pendulum swings steadily. (It moves back and forth.)
• Joint (noun): a point where two parts are connected.
  • The pipe joint was sealed with tape. (The connection point.)
• Swinging (adj): capable of pivoting or moving freely.
  • The swinging arm of the gate was repaired. (The pivoting part.)

Synonyms

• Pivot joint: a joint that allows rotation around a single axis.
• Rotary joint: a connection permitting rotational movement.
• Swivel joint: a fitting that allows rotation in multiple directions (often used interchangeably, though "swing joint" implies a more limited range of motion).

Related Idioms

• "Swing into action": to begin moving or operating quickly.
  • The repair team swung into action after the swing joint failed. (They started working immediately.)
• "Get into the swing of things": to become accustomed to an activity or routine.
  • After a few tries, he got into the swing of using the new swing joint. (He adapted to the mechanism.)

Phrasal Verbs (contextual)

• Swing around: to rotate or pivot.
  • The pipe swung around when the swing joint was loosened. (It rotated due to the joint.)
• Swing out: to extend outward by pivoting.
  • The arm swings out from the machine using the swing joint. (It moves outward via rotation.)