Quando a escavadeira funciona, seu chassi e o corpo de operação superior precisam fazer rotação relativa . como realizar o movimento que precisa de rotação de 360 graus requer a junta giratória hidráulica, o componente principal .
When the excavator is rotating, the hydraulic oil is delivered to the walking motor through the rotary joint. The hydraulic oil is connected to the internal cylinder from the main control valve, and the oil circuit of the walking motor is connected to the shell structure. The inner cylinder is cast with circular grooves (i.e. oil passage) from top to bottom, and the outer shell is also cast with small grooves corresponding to the grooves (used to install the hydraulic swivel joint seal ring). When the machine is rotating, the shell is fixed and there is relative motion between the inner cylinder and the shell (the cylinder rotates in the shell). Because the oil passage is circular, the machine can turn arbitrarily within the circumference Para manter a passagem do óleo da concha através da passagem de óleo do mandril correspondente e realizar a rotação contínua .
Tag: Junta giratória hidráulica da escavadeira
