SU1020680A1 - Bearing lubrication system - Google Patents

Description

. The invention relates to machine building, in particular, lubrication systems for turbine bearings, pumps, electric motors and other machines. A bearing lubrication system is known, which contains a bearing on an oil bath, a circulating tank and recharge, connected to an oil bath tubing, an oil tank and an air cavity of a circulating tank Cl i However, this lubrication system is not designed for a sufficiently high (about 5 - 7 kg / cm 2) the pressure of the oil in the oil bath of the bearing due to the leakage of the feed tank. This pressure is necessary to intensify heat removal from the bearing surfaces of the bearing and to provide it with the necessary bearing capacity. Closest to the proposed technical entity is a bearing lubrication theme containing a bearing with an oil bath, a circulation tank, an oil pump and an accumulator tank (accumulator) connected by pipelines with an oil bath, an oil pump and a circulation tank C2 However In a known system, when the pipeline is pushed into the pipeline, which feeds oil into the bearing, the oil leaves their bearing bath and the feed tank due to the siphon effect, leaving the bearing without lubrication. This reduces the reliability of the system. In addition, the structure of the makeup tank is complex and therefore also unreliable. The purpose of the invention is to increase the reliability of the bearing lubrication system by eliminating the siphon effect. The goal is achieved by the fact that in the lubrication system a bearing containing a bearing with an oil bath, an oil pump, a circulation tank and a feed tank connected by pipelines to the oil bath and an oil pump, the feed tank is made sealed and inside it is installed horizontal to the partition wall with a hole , while the reservoir of the feed is connected to the oil bath with additional pipelines having a choke, with the pipeline inlet in the feed reservoir located at the level of the partition. 0 The drawing shows schematically a bearing lubrication system. The lubrication system contains a bearing 1 with an oil bath 2, connected by pipes 3 and with a circulating tank 5, open to the atmosphere, an oil pump 6-, connected by pipes 7 and 8, respectively, with a circulating tank 5 and a feed tank 9. Pipeline 8 den to the upper part of the make-up tank 9, which is a hermetic vessel with a horizontal partition 10 in which there is an opening 11. The make-up tank 9 is also connected to the oil bath 2 by a pipe 12 connected to the bottom of the tank and to the throttle 14 by a pipe 13 , whose entrance to the makeup tank is made at the level of the partition 10. The choke can be made in the form of a pipeline of small section. The lubrication system works as follows. When the oil pump 6 is switched on, the oil through the pipeline 7 is taken from the circulation tank 5 and through the pipeline 8 is supplied under pressure to the feed tank 9. The oil level in the feed tank 9 rises, pressure rises, and the gas level in the tank 9 decreases; The partition 10 with a hole 11 makes it possible to stabilize the position of the oil level, since in their absence the oil mixes with the gas, carries it away and the entire feed tank is filled with oil. When the oil pressure in the reservoir feeds oil pressure in the oil bath 2 is exceeded, the oil enters the oil bath 2 through pipeline 12, from where it flows by pipelines 3 and 4 by gravity into the circulation tank 5. The excess oil from the feed reservoir 9 is fed through pipeline 13 and the throttle flows into the air cavity of the oil bath 2 connected to the atmosphere. Adjusting the resistance of the throttle It, you can change the pressure in the reservoir 9 feed. In the case of stopping the oil pump 6, the drive device (not shown) is disconnected, with which bearing 1 is connected, but for the first time after shutdown due to inertia of rotating parts (3 min), the bearing continues to work and

3 10206804

must be lubricated. The pressure of the ha-are 9 feed is reduced to those

in the sealed tank on 9 May-pore until the air cavity is squeezed out through the pipeline of the 12th bath 2 through pipe 13

into the oil bath 2. Due to the fact that it is communicated with the gas cavity, it is possible that the pipeline 8 is connected to the feed hose ks 9. Then reverse cf

the upper part of the tank 9 is an under-flow of oil through the pipeline 8 prek-pitka, then when crossing the oil splices and there is a gap siphonuzhizchayuschim level hole trueno E (} n}) ect.

line 8 stops flowing. . .

oil into the circulating tank and its bo

Moreover, a part enters the bearing. Reliability of the bearing lubrication system In the event of a break in the feeder by means of the elimination of the siphon conductor 8, the oil level is from the reservoir.

Claims (1)

BEARING LUBRICATION SYSTEM, comprising a bearing with an oil bath, an oil pump, a circulation tank and a make-up tank connected by piping to an oil bath and an oil pump, characterized in that, in order to increase reliability by eliminating the siphon effect, the make-up tank is sealed and inside a horizontal partition is installed with an opening in which the make-up tank is connected to the oil bath by an additional pipe having a throttle, and the pipe inlet in the make-up tank is dix to the partition level. • 1020680