Table 2 Constraint type between parts.

From: Joint simulation and experimental verification of electromechanical-hydraulic of hydraulic excavator working device

Part1

Part2

Constraint name

Base

Base

Fixed

Base

Boom hydraulic cylinder

Revolute

Base

Boom

Revolute

Boom hydraulic cylinder

Boom hydraulic cylinder piston rod

Translational

Boom hydraulic cylinder piston rod

Boom

Co-linear constraints

Arm hydraulic cylinder

Boom

Revolute

Arm hydraulic cylinder

Arm hydraulic cylinder piston rod

Translational

Boom

Arm

Revolute

Arm hydraulic cylinder piston rod

Arm

Co-linear constraints

Arm

Bucket hydraulic cylinder

Revolute

Bucket hydraulic cylinder

Bucket hydraulic cylinder piston rod

Translational

Rocker rod

Arm

Revolute

Rocker rod

Connecting rod

Spheric pair

Bucket hydraulic cylinder piston rod

Connecting rod

Co-linear constraints

Bucket

Arm

Cylindric pair

Connecting rod

Bucket

Revolute