Lubricating Value for bulldozer spare parts

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The lubrication and maintenance of bulldozers during use generally adopt manual filling.

There are many and scattered lubrication points, and there are many points that are not easy to operate manually, especially in

When working in wetlands and garbage, the machine needs to be cleaned up every time it is refilled, and during maintenance

The time is long and the workload is large, which affects the work progress. Centralized lubrication is to make dispersed lubrication

The slippage is concentrated by an electric pump and valve to achieve lubrication. The machine needs lubrication

When the time, the centralized lubrication system is automatically turned on, no need to stop the machine, no need to operate

The author can easily realize the lubrication of each point with his hands, which not only relieves the operator

The labor intensity and work efficiency are improved, and the service cycle and life of the machine are improved. The role of the lubrication valve is very important.

The following introduces the principle of the progressive centralized lubrication system provided by the centralized lubrication system and its application on the bulldozer.1, progressive centralized lubrication system

The progressive centralized lubrication system is mainly composed of electric plunger pump, progressive distributor,

It is composed of controller, main oil pipe and secondary oil pipe. DC motor drive

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The electric plunger pump drives the pump units with different oil output to provide grease to each independent

Lubricant main distributor, the main distributor is then distributed to the secondary distributor in a certain proportion

The secondary distributor sends the lubricant to each lubrication point. The lubrication time and lubrication interval time of the lubrication pump are controlled by the electronic controller.

The system pumps each lubrication point through the lubrication pump to provide pump pressure to each

Realized by the distributor, the self-made controller starts automatically according to the preset time period

Start or stop the operation of the lubrication pump, and the safety valve limits the maximum pressure of the system to protect each

Components, distributors play the role of reasonable distribution of grease according to the needs of each lubrication part.

The progressive plunger distributor controls the oil distribution by hydraulic sequence, the distributor plunger

The movement of the lubricant is governed by the supply of lubricant, so that the lubricant is discharged from each outlet in turn.

If a lubrication point is blocked, the entire system will stop working. Because of

The system is to control the oil distribution in sequence, and the oil quantity of each lubrication point can be controlled independently.

Therefore, the amount of lubricant input will not be affected by the back pressure of a certain lubrication point.