CN113958699A

CN113958699A - Backpack type thin oil lubricating device for tilting device of smelting furnace

Info

Publication number: CN113958699A
Application number: CN202111226374.1A
Authority: CN
Inventors: 查炜玮; 赵维超; 查勇; 赵孝峰; 朱晓琼; 涂敏
Original assignee: Huatian Engineering and Technology Corp MCC
Current assignee: Huatian Engineering and Technology Corp MCC
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-01-21

Abstract

The invention discloses a backpack type thin oil lubricating device for a smelting furnace tilting device, relates to the technical field of smelting furnace tilting device lubrication, and aims to solve the problems of high cost, large occupied area and inconvenient use of a centralized lubricating station adopted by the smelting furnace tilting device; the invention comprises a tilting device, a secondary speed reducer box body is arranged, the secondary speed reducer box body is used as an oil tank, an oil pump is fixedly arranged outside the oil tank, the oil suction end of the oil pump is connected with an oil suction pipe, the oil suction pipe penetrates through the wall of the oil tank and extends to the inner lower end of the oil tank, the oil outlet end of the oil pump is connected with an oil outlet pipe, the oil outlet pipe extends to a lubrication point along the outer wall of the oil tank, and the oil outlet pipe is fixedly connected with the oil tank; the invention has simple and compact structure, low cost, short lubricating oil circuit, small pressure loss, less pipe loss, less faults, difficult damage, no need of additionally arranging a lubricating station, no additional floor area, and capability of saving land and maintenance cost.

Description

Backpack type thin oil lubricating device for tilting device of smelting furnace

Technical Field

The invention relates to the technical field of lubrication of tilting devices of smelting furnaces, in particular to a knapsack type thin oil lubricating device for the tilting devices of the smelting furnaces.

Background

The tilting device of the smelting furnace is a mechanical device for driving a furnace body and molten steel therein to rotate, and comprises a motor, a speed reducer, a coupling and the like, wherein the speed reducer of the tilting device of the smelting furnace is important transmission equipment matched with a steel-making system in the metallurgical industry, the speed reducer of the tilting device of the smelting furnace generally adopts a four-point or two-point meshing full-suspension flexible transmission type, and a torque balance mechanism is a torsion bar device. The speed reduction mechanism of the smelting furnace tilting device usually adopts twice speed reduction, wherein the first speed reduction adopts four or two primary small-sized standard speed reducers, the output shafts of the four or two primary small-sized standard speed reducers are connected with four or two high-speed shafts of a secondary speed reducer, the combined speed reducer with a large transmission ratio is realized through the secondary speed reducer driven by a primary gear, four or two small gears of the secondary speed reducer drive a large gear together, and the large gear is connected with a main shaft of a driving working machine by adopting a locking disc.

The gear and bearing lubrication of the tilting device of the conventional smelting furnace adopts a centralized lubrication station lubrication mode, for example, the utility model patent with the publication number of CN207621315U and the name of 'a converter tilting system', wherein a lubrication station is disclosed, which comprises an oil source, a filter and a back pressure valve, wherein the oil source is sequentially connected with the filter, the back pressure valve and a speed reducer in a tilting mechanism through an oil supply pipeline; an oil delivery branch pipe is arranged on an oil delivery pipeline between the input end of the back pressure valve and the output end of the filter and is respectively connected with an active end trunnion bearing and a passive end trunnion bearing in the tilting mechanism to realize the supply of lubricating oil; the mode has large investment and large occupied area, and even a group of tilting devices needs to be provided with a plurality of thin oil stations sometimes. Especially, if a centralized lubrication station is adopted in the lubricating system of the tilting device of the vehicle-mounted movable AOD furnace, the pipeline is long, the damage is easy, the pressure loss is large, and more importantly, the centralized lubrication station needs to monopolize a certain space, so the use is inconvenient. Therefore, there is a need for a backpack type thin oil lubrication device for a tilting device of a smelting furnace to solve this problem.

Disclosure of Invention

The invention aims to provide a knapsack type thin oil lubricating device for a smelting furnace tilting device, and aims to solve the problems of high cost, large occupied area and inconvenience in use of a centralized lubricating station adopted by the smelting furnace tilting device.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a knapsack formula thin oil lubricating arrangement for smelting furnace tilting device, includes tilting device, and it is equipped with the secondary speed reducer box to the secondary speed reducer box is as the oil tank, and the outside fixed mounting of oil tank has the oil pump, and the end of inhaling of oil pump is connected with inhales oil pipe, inhales oil pipe and passes the oil tank wall and extend to its inside lower extreme department, and the end of producing oil of oil pump is connected with out oil pipe, goes out oil pipe and extends to lubricated position along the oil tank outer wall, and goes out oil pipe and oil tank fixed connection.

In a better scheme, the upper portion of oil tank has seted up the oil filler point and demountable installation has air cleaner, and liquid level indicator is installed to one side of oil tank, and the lower extreme of oil tank has seted up the oil drain hole and has installed the oil drain valve, and the oiling height in the oil tank is no longer than the vacant space upper end of lower part in the secondary speed reducer box.

In a better proposal, the lower part of the oil tank is also provided with a heater and a thermometer.

In a better scheme, an oil path formed by the oil suction pipe, the oil pump and the oil outlet pipe is also provided with a plurality of valve pieces, a pressure indicating device and a flow indicating device.

The oil supply valve is communicated with the oil suction pipe, the check valve is communicated with the oil outlet pipe, and the first pressure gauge and the second pressure gauge are arranged on two sides of the check valve respectively.

Optional in this scheme, still communicate between check valve and the oil pump and have the oil circuit filter.

Optionally in above-mentioned preferred scheme, the lubricated position is equipped with a plurality ofly, and the oil pipe is equipped with each lubricated position of a plurality of branch road one-to-one, and every branch road all is equipped with choke valve and flowmeter.

In this embodiment, the flow meter is an oil flow annunciator and is in signal communication with the throttle for monitoring and controlling flow.

In a preferred scheme, the oil outlet end of the oil pump is also connected with a pressure relief pipe, a safety valve is arranged on the pressure relief pipe, and the pressure relief pipe is communicated into the oil tank.

In any optional scheme, two groups of oil passages are formed by the oil suction pipe, the oil pump and the oil outlet pipe; a pump seat is fixedly arranged on the outer side of the lower part of the oil tank and used for fixing an oil pump; two sides of the lower part of the oil tank are respectively provided with a heater, and two sides of the lower part of the oil tank are respectively provided with an electric contact thermometer which is respectively connected with the two heaters by signals to control the on-off of the heaters.

Compared with the prior art, the invention has the beneficial effects that:

1. the backpack type thin oil lubricating device for the smelting furnace tilting device adopts a backpack type design, is directly installed on a smelting furnace tilting device body, saves the modification cost by using the secondary speed reducer box body as an oil tank, and reduces the influence on the tilting device to the maximum extent; the structure is simple and compact, the cost is low, the lubricating oil is short in path, the pressure loss is small, the pipe loss is less, the fault is less, and the damage is not easy.

2. This a knapsack formula thin oil lubricating arrangement for smelting furnace tilting device need not additionally to dispose lubricating station, does not have extra area, can practice thrift land used and maintenance cost.

3. This a knapsack formula thin oil lubricating arrangement for smelting furnace tilting device disposes heating device and thermometer, can accurate, control the lubricating oil temperature effectively, guarantees that its oil temperature and viscosity are reasonable, makes whole lubricating system oil circuit smooth and easy, is particularly useful for the cold weather environment in winter in the north.

4. This a knapsack formula thin oil lubricating arrangement for smelting furnace tilting device disposes liquid level indicator, manometer, flowmeter etc. can realize the pressure and the flow of real-time supervision oil tank oil level, oil pump outlet oil circuit, makes the electric program can remote control adjust the oil pump operating mode, convenient to use.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a rear view of the present invention, with the primary speed reducer omitted;

FIG. 5 is a schematic cross-sectional view taken along line C-C of FIG. 4;

FIG. 6 is a schematic top view of the present invention;

fig. 7 is a schematic diagram of the present invention.

In the figure: 1. an oil tank; 2. a heater; 3. a liquid level indicator; 4. a thermometer; 5. an air filter; 6. an oil discharge valve; 7. an oil supply valve; 8. an oil pump; 9. a safety valve; 10. an oil path filter; 11. a one-way valve; 12. a pressure gauge switch; 13. a first pressure gauge; 14. a second pressure gauge; 15. a throttle valve; 16. a flow meter.

Detailed Description

As shown in fig. 1, a knapsack formula thin oil lubricating arrangement for smelting furnace tilting device, including tilting device, it is equipped with the secondary speed reducer box to the secondary speed reducer box is as oil tank 1, and 1 outside fixed mounting of oil tank has oil pump 8, and the oil absorption end of oil pump 8 is connected with oil absorption pipe, and oil absorption pipe passes 1 tank wall of oil tank and extends to its inside lower extreme department, and oil output end of oil pump 8 is connected with out oil pipe, and it extends to lubricated position along 1 outer wall of oil tank to go out oil pipe, and goes out oil pipe and 1 fixed connection of oil tank.

With reference to fig. 1, 2 and 6, the specific method of modifying the tank 1 can be implemented in the following manner: an oil filling hole is formed in the upper portion of the oil tank 1, an air filter 5 is detachably mounted on the upper portion of the oil tank 1, the oil filter can be detached when oil is required to be filled, a liquid level indicator 3 is mounted on one side of the oil tank 1, a common communicating vessel type liquid level meter can be selected, an oil discharging hole is formed in the lower end of the oil tank 1, an oil discharging valve 6 is mounted on the lower end of the oil tank 1, a ball valve can be adopted, and the oil filling height in the oil tank 1 is not more than the upper end of a vacant space in the lower portion of the interior of a secondary speed reducer box body; referring to fig. 1 and 4, in order to make the oil temperature and viscosity suitable, a heater 2 may be further installed at a lower portion of the oil tank 1, and a thermometer 4 may be provided, which may employ an electric contact thermometer.

Furthermore, an oil path formed by the oil suction pipe, the oil pump 8 and the oil outlet pipe is also provided with a plurality of valve pieces, a pressure indicating device and a flow indicating device; for example, referring to fig. 1 and 3, the oil suction pipe is communicated with an oil supply valve 7, which may be a ball valve, the oil discharge pipe is communicated with a check valve 11, two sides of which are respectively provided with a pressure gauge one 13 and a pressure gauge two 14, which may be an electrical contact pressure gauge, each pressure gauge is respectively provided with a pressure gauge switch 12, and preferably, an oil path filter 10 is further communicated between the check valve 11 and the oil pump 8, which may filter impurities in the oil path.

To smelting furnace tilting device, lubricated position is equipped with a plurality ofly, for example four speed reducers, bearing before and after gear wheel, pinion front and back bearing etc. go out the oil pipe and be equipped with each lubricated position of a plurality of branches one-to-one, and every branch road all is equipped with choke valve 15 and flowmeter 16.

Further, the flow meter 16 is selected as an oil flow annunciator and is in signal connection with the throttle valve 15 for monitoring and controlling the flow rate.

Referring to fig. 3, in a preferred embodiment, the oil outlet end of the oil pump 8 is further connected to a pressure relief pipe, the pressure relief pipe is provided with a safety valve 9, and the pressure relief pipe is communicated to the inside of the oil tank 1 and mainly used for returning oil to the oil tank 1 when the pressure is high; in addition, the safety valve 9 can also be in signal connection with an oil flow annunciator and a pressure gauge at the tail end of each branch of the oil outlet pipe; in the using process, if the pressure indicated by the pressure gauge signal is too high and the detected flow of the oil flow annunciator is relatively too small, the safety valve 9 is automatically opened to release pressure, oil is returned into the oil tank 1, the safety valve 9 is closed after the pressure gauge signal and the oil flow annunciator signal are recovered to be normal, if the safety valve cannot be automatically recovered, the oil pump 8 is closed, whether the oil pump is intact is checked, the oil supply valve 7 and the throttle valve 15 are closed to check whether the oil path and each oil path detection control element are blocked; if the pressure is too low, the oil pump 8 also needs to be closed to check whether the oil pump is in good condition and whether the oil path and the oil path detection elements are blocked and in good condition.

As shown in fig. 1 to 7, in a preferred embodiment, two sets of oil passages are provided for the oil suction pipe, the oil pump 8 and the oil discharge pipe; a pump seat is fixedly arranged on the outer side of the lower part of the oil tank 1 and used for fixing an oil pump 8; in addition, because the smelting furnace tilting device is larger, the secondary speed reducer box body is also longer, the two sides of the lower part of the oil tank 1 are respectively provided with a heater 2, so that the oil temperature is controlled more uniformly, and the two sides of the lower part of the oil tank 1 are respectively provided with an electric contact thermometer and are respectively connected with the two heaters 2 through signals to control the on-off of the electric contact thermometers.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

The present invention is not described in detail, but is known to those skilled in the art.

Claims

1. The utility model provides a knapsack formula thin oil lubricating arrangement for smelting furnace tilting device, includes tilting device, and it is equipped with secondary speed reducer box, its characterized in that: regard as oil tank (1) with the secondary reduction box, oil tank (1) outside fixed mounting has oil pump (8), and the end of inhaling oil of oil pump (8) is connected with inhales oil pipe, inhales oil pipe and passes oil tank (1) tank wall and extend to its inside lower extreme department, and the end of producing oil of oil pump (8) is connected with out oil pipe, goes out oil pipe and extends to lubricated position along oil tank (1) outer wall, and goes out oil pipe and oil tank (1) fixed connection.

2. The backpack type thin oil lubricating device for the tilting device of the smelting furnace according to claim 1, characterized in that: oil filler point and demountable installation have air cleaner (5) have been seted up on the upper portion of oil tank (1), and liquid level indicator (3) are installed to one side of oil tank (1), and oil extraction hole and install oil drain valve (6) have been seted up to the lower extreme of oil tank (1), and the oiling height in oil tank (1) is no longer than the vacant space upper end of lower part in the secondary speed reducer box.

3. The backpack type thin oil lubricating device for the tilting device of the smelting furnace according to claim 1, characterized in that: the lower part of the oil tank (1) is also provided with a heater (2) and a thermometer (4).

4. The backpack type thin oil lubricating device for the tilting device of the smelting furnace according to claim 1, characterized in that: the oil circuit formed by the oil suction pipe, the oil pump (8) and the oil outlet pipe is also provided with a plurality of valve pieces, a pressure indicating device and a flow indicating device.

5. The backpack type thin oil lubrication device for the tilting device of the smelting furnace according to claim 4, characterized in that: the oil suction pipe is communicated with an oil supply valve (7), the oil outlet pipe is communicated with a one-way valve (11), and a pressure gauge I (13) and a pressure gauge II (14) are respectively arranged on two sides of the oil outlet pipe.

6. The backpack type thin oil lubrication device for the tilting device of the smelting furnace according to claim 5, characterized in that: an oil path filter (10) is communicated between the one-way valve (11) and the oil pump (8).

7. The backpack type thin oil lubrication device for the tilting device of the smelting furnace according to claim 4, characterized in that: the lubricating point positions are multiple, the oil outlet pipe is provided with a plurality of branch circuits which correspond to the lubricating point positions one by one, and each branch circuit is provided with a throttle valve (15) and a flowmeter (16).

8. The backpack type thin oil lubrication device for the tilting device of the smelting furnace according to claim 7, characterized in that: the flow meter (16) is an oil flow annunciator and is in signal connection with the throttle valve (15) for monitoring and controlling the flow rate.

9. The backpack type thin oil lubricating device for the tilting device of the smelting furnace according to claim 1, characterized in that: the oil outlet end of the oil pump (8) is also connected with a pressure relief pipe, a safety valve (9) is arranged on the pressure relief pipe, and the pressure relief pipe is communicated into the oil tank (1).

10. The backpack type thin oil lubrication device for the tilting device of the smelting furnace according to any one of claims 1 to 9, characterized in that: two groups of oil paths are arranged, wherein each oil path consists of an oil suction pipe, an oil pump (8) and an oil outlet pipe; a pump seat is fixedly arranged on the outer side of the lower part of the oil tank (1) and used for fixing an oil pump (8); two sides of the lower part of the oil tank (1) are respectively provided with a heater (2), and two sides of the lower part of the oil tank (1) are respectively provided with an electric contact thermometer and are respectively connected with the two heaters (2) through signals to control the on-off of the heaters.