CN218377624U

CN218377624U - Cooling and lubricating device for speed reducer

Info

Publication number: CN218377624U
Application number: CN202222192057.9U
Authority: CN
Inventors: 雷伦清; 程亮; 罗小年
Original assignee: China Huadian Corp Guigang Power Generation Co ltd
Current assignee: China Huadian Corp Guigang Power Generation Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-01-24
Anticipated expiration: 2032-08-19

Abstract

The utility model belongs to the technical field of the reduction gear, concretely relates to reduction gear cooling and lubrication device. The utility model discloses well lubricating oil is taken out from the reduction gear by the oil pump and is cooled off through circulating the forced heat dissipation in control by temperature change pond, and lubricating oil after the cooling detects through first manometer, gets into the logical lid of reduction gear input end, returns the reduction gear behind the lubricated cooling input end bearing, through the utility model discloses, avoided because of the problem that reduction gear oil temperature is high, lubricating oil is rotten; a temperature control valve and a circulating oil pipe are arranged at the outlet of the circulating temperature control pool, and when the temperature does not reach the specified temperature, the oil is forcibly cooled in a circulating way, so that the control on the oil temperature can be ensured; the oil storage tank is arranged in front of the circulating temperature control tank, and can store high-temperature oil when the circulating temperature control tank reaches the oil quantity capable of being carried, so that the mixing of the high-temperature oil and the low-temperature oil is avoided; an oil storage pool is arranged, so that the oil quantity in the loop can be ensured; the cooling and lubricating device is stable and reliable, and has the advantages of good heat dissipation and strong maneuverability.

Description

Cooling and lubricating device for speed reducer

Technical Field

The utility model belongs to the technical field of the reduction gear, concretely relates to reduction gear cooling and lubrication device.

Background

The screw ship unloader is also called as a multipurpose ship unloader, and can carry out ship unloading operation of various bulk cargos on one device by adopting an Archimedes axial equal-feeding screw conveying pipe to convey the bulk cargos. The components and mechanisms for taking materials from the cabin, taking out of the cabin and landing are connected into a whole, and during ship unloading operation, the bulk cargo is in a flowing state, so that the continuous operation in the true sense is realized. The goods flow in the closed pipeline (usually a cylindrical barrel), so that the goods can be effectively prevented from being polluted, and meanwhile, the goods are ensured not to pollute the environment. Screw ship unloaders are the landmark equipment of modern bulk cargo terminals.

In general, a vertical screw reducer of a screw ship unloader adopts double-drive input and splash lubrication. During the ship unloading process of the ship unloader, the lubricating oil level of the speed reducer changes along with the swinging of the vertical spiral arm and the pitching change of the horizontal spiral arm, the lubricating effect of a bearing at the input end is poor, the oil temperature of the speed reducer reaches 105 ℃ after the speed reducer operates for a period of time, and the problems of lubricating oil deterioration and the like are often caused due to overhigh temperature, so that the stability of equipment is not facilitated.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that prior art exists, the utility model aims to provide a reduction gear cooling and lubrication device.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model provides a reduction gear cooling and lubrication device, is in including two reduction gears of driving and setting the input bearing on the two reduction gears of driving, two reduction gears of driving link to each other with oil storage tank, circulation control by temperature change pond and cooling bath through the oil pump in proper order, the cooling bath export is provided with first manometer, and first manometer passes through high pressure fuel pipe and links to each other with the input bearing, two reduction gears of driving with set up the valve between the oil pump.

Optionally, the circulating temperature control pool comprises a radiator and a temperature control valve arranged at an outlet of the radiator, the temperature control valve is provided with a first outlet and a second outlet, the first outlet is connected with the first pressure gauge through a high-pressure oil pipe, the second outlet is connected with an inlet of the radiator through a circulating oil pipe, and the circulating oil pipe is provided with a circulating pump.

Optionally, the radiator includes coolant tank, is provided with defeated oil pipe in the coolant tank, lubricating oil flows out the radiator through defeated oil pipe, the water flow direction in the coolant tank with lubricating oil flow direction in the defeated oil pipe is opposite.

Optionally, the entry of oil pump sets up the filter, the filter includes casing and filter screen, the filter screen with the connection can be dismantled to the casing.

Optionally, be provided with a plurality of shrinkage pool on the casing inside wall, filter screen week side is provided with the perpendicular to the corrosion resistant plate of filter screen, be equipped with elastic convex block on the corrosion resistant plate lateral wall, elastic convex block with the shrinkage pool joint.

Optionally, the oil pump is an electric gear pump.

Optionally, the number of the input end bearings is two, the two input end bearings are connected with the high-pressure oil pipe through oil inlet pipelines respectively, and the oil inlet pipelines where the two input end bearings are located are provided with second pressure gauges.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model adopts the design of forced circulation and heat dissipation, the lubricating oil is pumped out from the reducer by the oil pump, and is cooled by forced heat dissipation of the circulating temperature control pool, the lubricating oil after cooling is detected by the first pressure gauge and enters the bearing at the input end of the reducer, thereby ensuring that the oil temperature of the reducer is in the standard range, and avoiding the damage of the reducer parts due to high temperature and poor lubrication caused by the high oil temperature and the deterioration of the lubricating oil of the reducer, thereby prolonging the service life of the reducer; and a temperature control valve and a circulating oil pipe are arranged at the outlet of the circulating temperature control pool, and when the specified temperature is not reached, the oil is subjected to forced circulating cooling.

Drawings

FIG. 1 is a schematic view of a cooling and lubricating system of a speed reducer according to the present invention;

in the figure: 1. a high pressure oil pipe; 2. a first pressure gauge; 3. circulating a temperature control pool; 4. an oil pump; 5. a filter; 6. a valve; 7. a speed reducer; 8. an oil reservoir; 9. a cooling tank; 10. an input end bearing; 11. an oil inlet pipeline; a second pressure gauge 12.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

Example 1

As shown in fig. 1, a reduction gear cooling and lubricating device, including two reduction gears 7 that drive and the input end bearing 10 of setting on two reduction gears 7 that drive, two reduction gears 7 that drive are connected with oil pump 4 through filter 5 through an oil pipeline, oil pump 4 is the electronic gear pump, be equipped with valve 6 between two reduction gears 7 that drive and filter 5, the output of oil pump 4 is through middle pipeline in proper order with hold oil tank 8, circulation control by temperature change pond 3 and cooling tank 9 link to each other, there is certain lubricating oil deposit in the cooling tank 9, the export of cooling tank 9 links to each other with input end bearing 10 through high pressure fuel pipe 1 through first manometer 2, whole system is in encapsulated situation, be equipped with the stop valve between oil tank 8 and the circulation control by temperature change pond 3, be equipped with the booster pump between cooling tank 9 and first manometer 2.

The circulating temperature control pool 3 comprises a radiator and a temperature control valve positioned at an outlet of the radiator, a first outlet and a second outlet are arranged on the temperature control valve, the first outlet is connected with the first pressure gauge 2 through a high-pressure oil pipe 1, and the second outlet is connected with an inlet of the radiator through a circulating oil pipe and a circulating pump. The radiator comprises a cooling water tank, an oil delivery pipe penetrates through the cooling water tank, lubricating oil flows out of the radiator through the oil delivery pipe, and the flow direction of water in the cooling water tank is opposite to that of the lubricating oil in the oil delivery pipe.

During the use, lubricating oil lubricates through reduction gear 7, flows through

valve

6, and 4 work of oil pump are with lubricating oil suction filter 5, get into oil storage tank 8 behind the play oil pipe way of flowing through, and the stop valve between oil storage tank 8 and the circulation control by temperature change pond 3 is the open mode, and lubricating oil flows through and gets into cooling tank 9 after cooling down in the circulation control by temperature change pond 3, then gets into reduction gear 7 once more through first manometer 2 and input end bearing 10, can accomplish the cooling and lubrication to two reduction gears 7 that drive. When the lubricating oil flows through the radiator for cooling, the lubricating oil can directly flow into the high-pressure oil pipe 1 and the first pressure gauge 2 through the temperature control valve after reaching the cooling requirement; if the temperature reduction requirement is not met. The first outlet is closed; lubricating oil enters the circulating oil pipe through a second outlet of the temperature control valve, then enters the circulating temperature control pool 3 to cool the lubricating oil again, and meanwhile, a stop valve between the oil storage pool 8 and the circulating temperature control pool 3 is closed, so that the lubricating oil with higher temperature can be temporarily stored in the oil storage pool 8, and the mixing of the high-temperature oil and the lubricating oil with lower temperature is avoided; when the first outlet of the temperature control valve is closed, the pump is added to work, the lubricating oil stored in the cooling pool enters the loop, the lubricating oil is continuously provided for the speed reducer to lubricate, and the oil quantity in the loop can be ensured.

Filter 5 includes casing and filter screen, is equipped with two relative shrinkage pools on the casing inside wall, and filter screen week side fixedly connected with perpendicular to filter screen's corrosion resistant plate is equipped with elastic convex block on the corrosion resistant plate lateral wall, elastic convex block and shrinkage pool joint. When 5 filter effects of filter can't reach the requirement, will outwards extract the filter screen, the elastic lug is kept away from the shrinkage pool and can be taken off the filter screen and change.

The input end bearings 10 are connected in parallel, the two input end bearings 10 are connected with the high-pressure oil pipe through oil inlet pipelines 11 respectively, and second pressure gauges 12 are arranged on the oil inlet pipelines 11 where the two input end bearings 10 are located. The oil inlet pipelines 11 of the two input end bearings 10 are respectively provided with the second pressure gauge 12, so that the fault problem of the input end bearings 10 can be judged visually according to the indication condition of the second pressure gauges 12.

Claims

1. The utility model provides a reduction gear cooling and lubricating device, its characterized in that is in including two reduction gears (7) of driving and setting two input end bearing (10) on the reduction gear (7) of driving, two reduction gears (7) of driving link to each other with oil storage tank (8), circulation control by temperature change pond (3) and cooling tank (9) in proper order through oil pump (4), cooling tank (9) export is provided with first manometer (2), and first manometer (2) link to each other with input end bearing (10) through high pressure fuel pipe (1), two reduction gears (7) of driving with set up valve (6) between oil pump (4).

2. A reducer cooling and lubricating device according to claim 1, wherein the circulating temperature control pool (3) comprises a radiator and a temperature control valve arranged at an outlet of the radiator, the temperature control valve is provided with a first outlet and a second outlet, the first outlet is connected with the first pressure gauge (2) through a high-pressure oil pipe (1), the second outlet is connected with an inlet of the radiator through a circulating oil pipe, and the circulating oil pipe is provided with a circulating pump.

3. The cooling and lubricating device for the speed reducer according to claim 2, wherein the radiator comprises a cooling water tank, an oil delivery pipe is arranged in the cooling water tank, lubricating oil flows out of the radiator through the oil delivery pipe, and the flow direction of water in the cooling water tank is opposite to the flow direction of the lubricating oil in the oil delivery pipe.

4. A reducer cooling and lubricating device according to claim 1, characterized in that the inlet of the oil pump (4) is provided with a filter (5), the filter (5) comprises a housing and a filter screen, and the filter screen is detachably connected with the housing.

5. The cooling and lubricating device of the speed reducer according to claim 4, wherein a plurality of concave holes are formed in the inner side wall of the shell, a stainless steel plate perpendicular to the filter screen is arranged on the periphery of the filter screen, and an elastic bump is arranged on the outer side wall of the stainless steel plate and clamped with the concave holes.

6. A reducer cooling-lubricating apparatus according to claim 1, characterised in that the oil pump (4) is an electric gear pump.

7. A cooling and lubricating device for a speed reducer according to claim 1, characterized in that two input end bearings (10) are connected in parallel, the two input end bearings (10) are respectively connected with a high-pressure oil pipe through oil inlet pipelines (11), and a second pressure gauge (12) is arranged on the oil inlet pipelines (11) where the two input end bearings (10) are located.