CN214306435U

CN214306435U - Thin oil lubricating and cooling system of vibrating screen

Info

Publication number: CN214306435U
Application number: CN202021767176.7U
Authority: CN
Inventors: 黄坚
Original assignee: Guangzhou Ruida Heavy Industries Machinery Co ltd
Current assignee: Guangzhou Ruida Heavy Industries Machinery Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-09-28
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a thin oil lubrication cooling system of a vibrating screen, which comprises a thin oil vibrating screen and a thin oil cooling device, wherein the thin oil vibrating screen and the thin oil cooling device are connected through an oil pipe; the thin oil vibrating screen comprises an eccentric shaft, a bearing seat, a thin oil cavity and a sealing device, wherein the bearing is arranged in the bearing seat, two ends of the eccentric shaft are arranged in the bearing, the thin oil cavity is arranged around the eccentric shaft, the sealing device ensures that the thin oil does not leak, and the bearing and the eccentric shaft are lubricated by the thin oil arranged in the thin oil cavity; the thin oil cooling device comprises a compressor, a radiator, a refrigeration pipeline, an oil tank heat exchanger and a thin oil tank, wherein the compressor is connected with the radiator and the oil tank heat exchanger through the refrigeration pipeline, and the thin oil is cooled through refrigeration of the compressor; the utility model discloses utilize the thin oil to carry out effective lubrication and cooling to the shale shaker, the leakproofness is reliable, but shale shaker long-time continuous operation.

Description

Thin oil lubricating and cooling system of vibrating screen

Technical Field

The utility model relates to a mining machinery equipment field, concretely relates to shale shaker thin oil lubrication and cooling system.

Background

The vibrating screen is a widely used mining machinery equipment, and is mainly used for dry and wet work grading of materials such as coal dressing, ore dressing, building materials, stone fields and the like. The motion trail of the vibrating screen is that the shaft vibrates eccentrically and circularly, the eccentric shaft and the bearing need to bear large-power rotating vibration, the requirements on lubrication and cooling are very high, the lubrication mode mainly comprises two lubrication modes of grease lubrication and thin oil lubrication, the grease lubrication vibrating screen needs to be checked and filled with grease before starting up each time, otherwise the bearing is burnt due to the lack of grease, and the machine stops working; although conventional thin oil lubrication replaces butter with thin lubricating oil, frequent inspection and lubricating oil addition are not needed, but the sealing performance of the eccentric shaft, the bearing and other parts is not strong, oil leakage is easily caused, and the temperature rise of the eccentric shaft and the bearing can be caused even if the vibrating screen works for a long time, so that the vibrating screen cannot be continuously produced for a long time, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to prior art's defect, provide an utilize thin oil to carry out effective lubricated and cooling, the reliable, the shale shaker system that can work for a long time of leakproofness.

In order to solve the technical problem, the utility model adopts the following technical scheme: a thin oil lubricating and cooling system of a vibrating screen comprises a thin oil vibrating screen, wherein the thin oil vibrating screen comprises an eccentric shaft, a bearing seat and a thin oil cavity, the bearing is arranged in the bearing seat, two ends of the eccentric shaft are arranged in the bearing, the periphery of the eccentric shaft is provided with the thin oil cavity, the eccentric shaft and the bearing are soaked in the thin oil, and the bearing and the eccentric shaft are lubricated by the thin oil arranged in the thin oil cavity.

Preferably, the thin oil-lubricated vibrating screen further comprises a sealing device disposed on the eccentric shaft and the bearing for preventing leakage of thin oil.

Preferably, sealing device includes oil baffle disc, seal cover and oil blanket, after the bearing was packed into the bearing frame, oil baffle disc emboliaed the eccentric shaft and pressed on the bearing, the seal cover emboliaed the eccentric shaft and pressed on oil baffle disc, the tip of bearing frame is equipped with the bearing cap, the bearing cap inner circle is provided with the oil blanket, the bearing cap embolias the eccentric shaft after-mounting on the bearing frame, oil baffle disc is used for reducing the thin oil from the bearing to the bearing cap direction seepage, seal cover and oil blanket closely cooperate and can further prevent the thin oil from the seepage between bearing cap and the eccentric shaft.

Preferably, the sealing device further comprises a sealing ring, the sealing ring is arranged at the bottom of the bearing cover and is pressed on the bearing seat, and thin oil is prevented from leaking between the bearing cover and the bearing seat.

Preferably, the oil outlet of the vibrating screen is arranged at the bottom of the bearing cover, so that a thin oil circulating inlet and outlet channel is formed.

Preferably, the thin oil cooling device is connected with the thin oil vibrating screen through an oil pipe, and the thin oil cooling device is used for cooling the thin oil and sending the cooled oil back to the vibrating screen.

Preferably, the thin oil cooling device further comprises a compressor, a radiator, a refrigeration pipeline, an oil tank heat exchanger and a thin oil tank, wherein the compressor is connected with the radiator and the oil tank heat exchanger through the refrigeration pipeline, and the oil tank heat exchanger is arranged in the thin oil tank; the compressor is used for compressing the refrigerant, the refrigerant is evaporated in the oil tank heat exchanger through the refrigeration pipeline, the heat of the thin oil in the thin oil tank is absorbed, and the heat is discharged out of the external atmosphere through the radiator.

Preferably, the thin oil cooling device further comprises an oil pump, a radiator oil inlet pipe and a radiator oil outlet pipe, wherein the radiator oil inlet pipe is connected to the thin oil tank through the oil pump, and the thin oil is cooled in the thin oil tank and then is discharged through the radiator oil outlet pipe; the oil pump circulates the thin oil between the thin oil cooling device and the thin oil vibrating screen.

Preferably, the radiator oil outlet pipe is connected with an oil inlet of the vibrating screen, and the oil outlet of the vibrating screen is connected with an oil inlet pipe of the radiator, so that the thin oil cooling device and the thin oil vibrating screen are connected together.

Preferably, the oil dipstick is further provided, wherein: an oil dipstick is connected between the oil inlet of the vibrating screen and the oil outlet of the vibrating screen, and the dipstick is convenient for observing the amount of thin oil in the thin oil vibrating screen, so that enough thin oil is ensured to lubricate and cool.

The utility model discloses an use thin oil to replace dry lubricating oil to lubricate shale shaker eccentric shaft and bearing, solve the problem of the easy seepage of thin oil through adding food tray, oil blanket, seal cover, sealing washer, come the initiative through thin oil cooling device to cool off the thin oil in addition, the cooling effect is good, has improved the operational reliability and the production efficiency of shale shaker.

Drawings

FIG. 1 is a schematic view of one end of the thin oil vibrating screen of the present invention;

FIG. 2 is a schematic view of the bearing cap of the thin oil vibrating screen of the present invention;

fig. 3 is a schematic view of the thin oil cooling device of the present invention.

In the figure, 1 is a thin oil cavity, 11 is thin oil, 2 is a bearing, 21 is a bearing seat, 22 is a bearing cover, 23 is an oil seal, 24 is a sealing sleeve, 25 is a sealing ring, 26 is an oil baffle disc, 3 is an eccentric shaft, 31 is a flywheel, 41 is an oil inlet of a vibrating screen, 42 is an oil outlet of the vibrating screen, 43 is an oil ruler, 5 is an oil pump, 6 is a compressor, 61 is a radiator, 62 is a refrigeration pipeline, 63 is an oil tank heat exchanger, 71 is an oil inlet pipe of the radiator, 72 is an oil outlet pipe of the radiator, and 8 is a thin oil tank.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

In this embodiment, referring to fig. 1, the thin oil lubrication cooling system for the vibrating screen comprises a thin oil vibrating screen 100, wherein the thin oil vibrating screen comprises an eccentric shaft 3, a bearing 2, a bearing seat 21 and a thin oil cavity 1, the bearing 2 is arranged in the bearing seat 21, two ends of the eccentric shaft 3 are installed in the bearing 2, the thin oil cavity 1 is arranged around the eccentric shaft 3, the eccentric shaft 3 and the bearing 2 are soaked in thin oil 11, the bearing 2 and the eccentric shaft 3 are lubricated by the thin oil 11 arranged in the thin oil cavity 1, a flywheel 31 is arranged at the tail end of the eccentric shaft 3, and the flywheel 31 drives the eccentric shaft 3 to rotate to generate vibration.

The thin oil lubrication vibrating screen 100 further comprises a sealing device which is arranged on the eccentric shaft 3 and the bearing 2 and comprises an oil baffle disc 36, a sealing sleeve 24 and an oil seal 23, after the bearing 2 is arranged in the bearing seat 21, the oil baffle disc 26 is sleeved in the eccentric shaft 3 and pressed on the bearing 2, the sealing sleeve 24 is sleeved in the eccentric shaft 3 and pressed on the oil baffle disc 26, the end part of the bearing seat is provided with a bearing cover, the inner ring of the bearing cover 22 is provided with the oil seal 23, and the oil seal 23 wraps the eccentric shaft 3; the windage tray 26 is used to reduce the leakage of thin oil from the bearing 2 to the bearing cap 22, and the tight fit of the gland and oil seal can further prevent the leakage of thin oil 11 from between the bearing cap 22 and the eccentric shaft 3.

The sealing device further comprises a sealing ring 25, the sealing ring 25 is arranged on the end face of the bottom of the bearing cover 22, the sealing ring 25 is made of excellent rubber, the bearing cover 22 is installed on the bearing seat 21, and the thin oil 11 is prevented from leaking between the bearing cover 22 and the bearing seat 21.

Referring to fig. 2, the oil inlet 41 of the vibrating screen is opened at the top of the bearing cover 22, and the oil outlet 42 of the vibrating screen is opened at the bottom of the bearing cover 22, so as to form an inlet and outlet passage for the circulation of the thin oil 11, so that the cooled thin oil 11 can cool the bearing 2 for the first time, and the heated thin oil 11 after cooling the bearing 2 can be carried out immediately.

Referring to fig. 3, the thin oil cooling device 200 is included, the thin oil cooling device 200 further includes a compressor 6, a radiator 61, a refrigeration pipeline 62, an oil tank heat exchanger 63, and a thin oil tank 8, the compressor 6 is connected with the radiator 61 and the oil tank heat exchanger 63 through the refrigeration pipeline 62, the oil tank heat exchanger 63 is disposed in the thin oil tank 8 and is surrounded by the thin oil 11 in a soaking manner, which is beneficial to directly taking away heat in the thin oil; the thin oil cooling device 200 compresses the refrigerant by the compressor 6, evaporates the refrigerant in the oil tank heat exchanger 63 through the refrigeration pipeline 62, takes away the heat of the thin oil in the thin oil tank 8, and discharges the heat to the outside atmosphere through the radiator 61.

Referring to fig. 1 and 3, the thin oil cooling device 200 further includes an oil pump 5, a radiator oil inlet pipe 71, and a radiator oil inlet pipe 72, wherein the radiator oil inlet pipe 71 is connected to the thin oil tank 8 after passing through the oil pump 5, and the thin oil 11 is cooled in the thin oil tank 8 and then is discharged through the radiator oil outlet pipe 72; oil pump 5 circulates the thin oil between thin oil cooling device 200 and thin oil vibrating screen 100.

The radiator oil outlet pipe 72 is connected with the vibrating screen oil inlet 41, and the vibrating screen oil outlet 42 is connected with the radiator oil inlet pipe 71, so that the thin oil cooling device 200 and the thin oil vibrating screen 100 are connected together.

Referring to fig. 2, an oil dipstick 43 is connected between the oil inlet 41 and the oil outlet 42 of the vibrating screen, and the oil dipstick 43 is in a transparent tubular shape, so that the amount of the thin oil 11 in the thin oil vibrating screen 100 can be observed conveniently, the thin oil 11 can be added in time, and sufficient thin oil 11 can be lubricated and cooled.

The utility model discloses a thin oil shale shaker before the start, thin oil mass in the observation dipstick, the oil mass can open the machine after reaching the standard, and the sealing device of thin oil shale shaker makes the thin oil can keep the non-seepage in the operation of shale shaker high strength, makes the thin oil circulate between thin oil shale shaker and thin oil cooling device through the oil pump simultaneously, through thin oil cooling device cooling thin oil, ensures that eccentric shaft and bearing operating temperature can not exceed the limit value, can adapt to long-time continuous start operation.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. The utility model provides a shale shaker thin oil lubrication cooling system which characterized in that: the thin oil cooling device is connected with the thin oil vibrating screen through an oil pipe and is used for cooling thin oil in the thin oil vibrating screen, the thin oil vibrating screen comprises an eccentric shaft, a bearing seat and a thin oil cavity, the bearing is arranged in the bearing seat, two ends of the eccentric shaft are installed in the bearing, a thin oil cavity is formed in the periphery of the eccentric shaft, and the bearing and the eccentric shaft are lubricated through the thin oil arranged in the thin oil cavity; the thin oil lubrication vibrating screen further comprises a sealing device which is arranged on the eccentric shaft and the bearing; the sealing device comprises an oil baffle disc, a sealing sleeve, a sealing ring and an oil seal, wherein after the bearing is installed in the bearing seat, the oil baffle disc is sleeved with the eccentric shaft to press on the bearing, the sealing sleeve is sleeved with the eccentric shaft to press on the oil baffle disc, the sealing ring is arranged at the bottom of the bearing cover and tightly pressed on the bearing seat, the end part of the bearing seat is provided with the bearing cover, the inner ring of the bearing cover is provided with the oil seal, and the bearing cover is installed on the bearing seat after being sleeved with the eccentric shaft.

2. The thin oil lubrication cooling system for the vibrating screen as claimed in claim 1, wherein: the vibrating screen oil inlet is arranged at the top of the bearing cover, and the vibrating screen oil outlet is arranged at the bottom of the bearing cover.

3. The thin oil lubrication cooling system for the vibrating screen as claimed in claim 2, wherein: the thin oil cooling device further comprises a compressor, a radiator, a refrigeration pipeline, an oil tank heat exchanger and a thin oil tank, wherein the compressor is connected with the radiator and the oil tank heat exchanger through the refrigeration pipeline.

4. The thin oil lubrication cooling system for the vibrating screen as claimed in claim 3, wherein: the oil tank heat exchanger is arranged in the thin oil tank.

5. The thin oil lubrication cooling system for the vibrating screen as claimed in claim 3, wherein: the thin oil cooling device further comprises an oil pump, a radiator oil inlet pipe and a radiator oil outlet pipe, wherein the radiator oil inlet pipe is connected into the thin oil tank after passing through the oil pump, and the thin oil is cooled in the thin oil tank and then is discharged through the radiator oil outlet pipe.

6. The thin oil lubrication cooling system for the vibrating screen as claimed in claim 5, wherein: the radiator oil outlet pipe is connected with an oil inlet of the vibrating screen, and an oil outlet of the vibrating screen is connected with an oil inlet pipe of the radiator.

7. The thin oil lubrication cooling system for the vibrating screen as claimed in claim 3, wherein: the oil gauge is arranged between the oil inlet of the vibrating screen and the oil outlet of the vibrating screen.