Oil injection device

• Main Authors: HUANG RENBIAO, SHAN FANGYONG
• Format: Patent
• Language: Chinese; English
• Published: 14.12.2021
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; LUBRICATING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model provides an oiling device, and belongs to the technical field of hydraulic equipment. The oil cylinder assembly comprises a cylinder barrel installed on the bottom plate, a front cover, a rear cover and a pull rod inserted into the cylinder barrel, the front cover and the rear cover are installed at the front end and the rear end of the cylinder barrel, a piston head is installed at one end of the pull rod and divides the front end and the rear end of the cylinder barrel into a rod cavity and a rodless cavity, and the rear cover is provided with an oil inlet channel and an oil outlet channel which are communicated with the rodless cavity. The other end of the oil inlet channel communicates with an oil tank through a first one-way valve assembly. An oil injection channel is formed in the oil injection gun, and the oil injection channel communicates with the oil outlet channel of the rear cover through a second one-way valve assembly; and the driving assembly is mounted on the bottom plate and