JPS61178987U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is a perspective view showing the structure of an embodiment of the high-pressure water injection device of this invention, FIG. 2 is a cross-sectional view showing the structure of a conventional high-pressure water injection device, and FIG. FIG. 4 is a diagram showing a trajectory of high-pressure water jetted by the high-pressure water jetting device shown in the figure, and FIG. 4 is a diagram showing a straight band-shaped treated surface obtained by the high-pressure water jetting device shown in FIG. 2. 1: Rotating body, 2: Base, 3: Pulley, 4: Motor, 7: Nozzle shaft, 7a: High pressure water flow path, 8
-1,8-2: Nozzle, 9: Universal joint,
10: pinion, 12: cylinder, 13: high pressure water supply pipe, 14: low pressure fluid supply pipe, 16: low pressure water flow path, 17: low pressure water outlet, 33: circular area, 41
: Holding body, 42: Support arm, 42-P: Plate surface, 43
: Bearing, 45: Base, 46: Inlet, 47
: Nozzle mounting body, 51: Nozzle, 52: Processed object transfer path, 53: Processed object, 55: Engagement groove, 56:
Bearing, 57: Rotating body, 60: Belt, 61
: Motor, 63: Eccentric shaft.

Claims (1)

[Scope of utility model registration request] A base body is provided to be rotatable about an axis, and an inlet for high-pressure water is provided at one end of the base body, and in the vicinity of the inlet, the base body communicates with the inlet, and the high-pressure water flows through the base body in the vicinity of the inlet. A plurality of nozzles are arranged to eject water, and an engagement groove is formed on the other end side of the base body substantially parallel to the axis and the arrangement direction of the inlet. 1. A high-pressure water injection device, characterized in that a rotational drive means is provided in which an end of a shaft is inserted into engagement and rotationally drives the rotating body.