CN220930825U - Dry oil lubrication system - Google Patents
Dry oil lubrication system Download PDFInfo
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- CN220930825U CN220930825U CN202322915698.7U CN202322915698U CN220930825U CN 220930825 U CN220930825 U CN 220930825U CN 202322915698 U CN202322915698 U CN 202322915698U CN 220930825 U CN220930825 U CN 220930825U
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- oil
- pressure ball
- lubrication
- ball valve
- oil supply
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- 238000005461 lubrication Methods 0.000 title claims abstract description 59
- 239000003921 oil Substances 0.000 claims abstract description 116
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 239000010687 lubricating oil Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 12
- 238000007789 sealing Methods 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a dry oil lubrication system, which comprises: the device comprises a lubrication pump station, a reversing valve, a segmented high-pressure ball valve and a distribution unit; the method specifically comprises the following steps: a lubrication pump station for providing lubrication oil; the reversing valve is used for guaranteeing the oil supply direction of lubricating oil; a plurality of sectional high-pressure ball valves for controlling the inlet and outlet of lubricating oil; a plurality of distribution units for distributing lubricating oil; the lubrication pump station, the reversing valve, the segmented high-pressure ball valve and the distribution unit are sequentially connected. According to the utility model, the problems of low time control precision, high failure rate, data recording and the like are solved by changing the control system (PLC with a touch screen) of the original fan-shaped section dry oil pump station; in addition, each sectional high-pressure ball valve in the seal chamber of the sector section 1-4 is moved to the outside of the seal chamber, so that the problem that the total high-pressure ball valve of the section 1-4 is closed because the sectional high-pressure ball valve cannot be closed is solved, conditions are created for stable production of a steel mill, meanwhile, the failure rate is reduced, and strong equipment guarantee is provided for stable production of 2 plates.
Description
Technical Field
The utility model belongs to the technical field of dry oil lubrication systems, and particularly relates to a dry oil lubrication system.
Background
After the existing slab continuous casting machine (hereinafter referred to as 2 plates) of a steel plant for extracting vanadium from certain steel is built and put into operation, abnormal conditions of rare or missing dry oil of the roller bearing of the sector section occur for many times in the production process, so that the roller bearing of the sector section is accelerated to be damaged, and finally the non-periodic off-line of the sector section is caused, the balanced normal production of the 2 plates is seriously influenced, and the maintenance cost of the sector section is greatly increased; after an accident, the control system of the fan-shaped section dry oil pump station is checked to find that the reason is mainly old, the control system is controlled by a conventional relay, the time control precision is low (positive and negative errors reach several minutes), the failure rate is high (when the failure happens, the lubrication pump station can not supply dry oil to the fan-shaped section roller bearing according to a preset time interval to ensure lubrication), and the operation condition of the pump station can not be tracked and recorded (the responsibility of maintenance personnel of each class is completely relied on, and the dry oil supply detail of the pump system can not be known at any time); in addition, as shown in fig. 6, in the prior art, each segment high-pressure ball valve of the sector 1-4 is placed in a sealing chamber, but only the total high-pressure ball valve of the sector 1-4 is placed outside the sealing chamber, when the sector Duan Mou needs to be closed due to oil leakage, the segment high-pressure ball valve cannot be closed manually due to high temperature and large steam in the sealing chamber during production, but only the total high-pressure ball valve of the sector 1-4 can be closed, and therefore, the roller bearings of the sector 1-4 cannot be lubricated by dry oil.
Disclosure of Invention
In view of the above, the present utility model proposes a dry oil lubrication system for a slab caster segment roller bearing. The control system of the original fan-shaped section dry oil pump station is changed, so that the problems of low time control precision, high failure rate, data recording and the like are solved; in addition, each sectional high-pressure ball valve in the seal chamber of the sector section 1-4 is moved outside the seal chamber, so that the problem that the total high-pressure ball valve of the section 1-4 is closed because the sectional high-pressure ball valve cannot be closed is solved, and conditions are created for stable production of steel factories. The failure rate is reduced, and the working efficiency is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A dry oil lubrication system, the system comprising: the device comprises a lubrication pump station, a reversing valve, a segmented high-pressure ball valve and a distribution unit; the method specifically comprises the following steps:
A lubrication pump station for providing lubrication oil;
The reversing valve is used for guaranteeing the oil supply direction of lubricating oil;
A plurality of sectional high-pressure ball valves for controlling the inlet and outlet of lubricating oil;
A plurality of distribution units for distributing lubricating oil;
the lubrication pump station, the reversing valve, the segmented high-pressure ball valve and the distribution unit are sequentially connected.
In one possible embodiment, the system further comprises an operator box for starting and stopping the lubrication pump, reversing the reversing valve, and running light indication; the operation box is connected with the lubricating pump and the reversing valve (3) by adopting cables.
In one possible embodiment, the lubrication pump station comprises 2 lubrication pumps and 2 oil reservoirs;
Wherein,
The oil reservoir is disposed above the lubrication pump.
In one possible implementation manner, a piston is arranged in the reversing valve, and the up-and-down movement of the piston is used for switching the first oil supply pipe and the second oil supply pipe to be mutually oil supply and unloading pipelines.
In one possible implementation mode, the setting positions of the segmented high-pressure ball valves comprise at least 8 positions of inlets and outlets outside the sealing chambers on the left side and the right side of the sector sections 1-4, each inlet and outlet is provided with 1 segmented high-pressure ball valve, and each segmented high-pressure ball valve is arranged outside the sealing chamber.
In one possible embodiment, the dispensing units comprise dispensers, each of which consists of a pilot piston and a main piston, which are connected by an internal bore, wherein,
The upper end of the pilot piston is connected with the first oil supply pipe, the lower end of the pilot piston is connected with the second oil supply pipe, and the oil outlet in the middle of the cavity of the pilot piston is connected with the oil supply pipe;
An indication rod is arranged at the upper end of the main piston, and an adjusting screw is arranged outside the indication rod;
The first oil supply pipe is connected with the upper end of the reversing valve through the sectional high-pressure ball valve, and the second oil supply pipe is connected with the lower end of the reversing valve through the sectional high-pressure ball valve.
In one possible implementation manner, the pilot piston is used for cutting the channels of the first oil supply pipe, the second oil supply pipe and the upper cavity and the lower cavity of the main piston; the main piston and main piston chamber meter the amount of oil delivered and force the oil out.
In one possible embodiment, the adjusting screw is used for adjusting the oil supply quantity; the indicating rod is used for indicating the working state.
In one possible implementation manner, the operation panel of the operation box is a touch screen, and the pictures in the touch screen include a main picture, a data recording picture and a parameter setting picture.
In one possible embodiment, the lubrication pump station further comprises an internal time relay T that is self-contained with a small programmable controller.
The utility model has the technical effects and advantages that:
According to the dry oil lubrication system, the problems of low time control precision, high failure rate, data recording and the like are solved by changing the control system (PLC with a touch screen) of the original fan-shaped dry oil pump station; in addition, each sectional high-pressure ball valve in the seal chamber of the sector section 1-4 is moved outside the seal chamber, so that the problem that the total high-pressure ball valve of the section 1-4 is closed because the sectional high-pressure ball valve cannot be closed is solved, and conditions are created for stable production of steel factories. The failure rate is reduced, and strong equipment guarantee is provided for stable production of 2 plates.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic diagram of a dry lubrication system in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a main screen according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a data recording screen according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a parameter setting screen in an embodiment of the present utility model;
FIG. 5 is a schematic diagram showing the arrangement of a high-pressure ball valve in an embodiment of the utility model;
FIG. 6 shows a schematic diagram of a prior art high pressure ball valve arrangement;
In the reference numerals, 1, a lubricating pump; 2. an oil reservoir; 3. a reversing valve; 4. a dispenser; 4a, a pilot piston; 4b, a main piston; 4c, an internal hole path; 5a, a first oil supply pipe; 5b, a second oil supply pipe; 6. an oil supply pipe; 7. adjusting a screw; 8. an indication rod; 9. sectional high-pressure ball valve; 10. the total high-pressure ball valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to solve the defects in the prior art, the embodiment provides a dry oil lubrication system, which adopts consumption type double-line centralized lubrication with a touch screen, and one system serves a plurality of lubrication points. FIG. 1 shows a schematic diagram of a dry oil lubrication system in an embodiment of the present utility model, as shown in FIG. 1, the system includes a lubrication pump station, a reversing valve 3, a segmented high-pressure ball valve 9, and a distribution unit that are sequentially connected, and an operation box connected to the lubrication pump 1 and the reversing valve 3 by cables;
The method specifically comprises the following steps:
A lubrication pump station for providing lubrication oil, the lubrication pump station comprising 2 lubrication pumps 1 (1 for 1) and 2 oil reservoirs 2; wherein the oil reservoir 2 is arranged above the lubricating pump 1, and the oil reservoir 2 is used for storing lubricating oil;
The reversing valve 3 is used for connecting the lubrication pump station and the distributor 4 to ensure the accuracy of the lubrication oil supply direction, a piston is arranged in the reversing valve 3, and the up-and-down movement of the piston is used for switching the first oil supply pipe 5a and the second oil supply pipe 5b to be mutually an oil supply pipeline and an unloading pipeline;
A plurality of sectional high-pressure ball valves 9 for controlling the inlet and outlet of lubricating oil; the arrangement position of the sectional high-pressure ball valve 9 comprises at least 8 positions of inlets and outlets of the sealing chambers on the left side and the right side of the sector section 1-4, each inlet and outlet is provided with 1 sectional high-pressure ball valve 9, and each sectional high-pressure ball valve 9 is arranged outside the sealing chamber.
The oil distribution units comprise a distributor 4, each oil supply unit of the distributor 4 consists of a pilot piston 4a and a main piston 4b, the pilot piston 4a and the main piston 4b are connected through an internal hole 4c, wherein the upper end of the pilot piston 4a is connected with a first oil supply pipe 5a, the lower end of the pilot piston 4a is connected with a second oil supply pipe 5b, the middle oil outlet of a cavity of the pilot piston 4a is connected with an oil supply pipe 6, and the oil supply pipe 6 is directly connected with an oil supply point needing to be provided with lubricating oil; an indicating rod 8 is arranged at the upper end of the main piston 4b, and the indicating rod 8 is used for indicating the working state; an adjusting screw 7 is arranged outside the indicating rod 8, and the adjusting screw 7 is used for adjusting the oil feeding amount; the pilot piston 4a is used for switching the channels of the first oil supply pipe 5a, the second oil supply pipe 5b and the upper cavity and the lower cavity of the main piston 4 b; the main piston 4b and the main piston chamber meter the oil dosage and force out the oil; further, the oil supply pipe 5a is connected with the upper end of the reversing valve 3 through a sectional high-pressure ball valve 9, the oil supply pipe 5b is connected with the lower end of the reversing valve 3 through a sectional high-pressure ball valve 9, and when one of the oil supply pipes is supplied with oil by a lubricating pump, the other oil supply pipe is unloaded to an oil reservoir; the first oil supply pipe 5a and the second oil supply pipe 5b are respectively used for supplying oil once, and the oil outlet in the middle of the cavity of the pilot piston 4a is respectively used for discharging oil once; it should be noted that the dispenser generally has 2 needles, 3 needles, and 4 needles, and 2 needles correspond to 2 oil feeding units, 3 needles correspond to 3 oil feeding units, and 4 needles correspond to 4 oil feeding units.
FIG. 2 is a schematic diagram of a main screen according to an embodiment of the present utility model; FIG. 3 is a schematic diagram of a data recording screen according to an embodiment of the present utility model; fig. 4 is a schematic diagram showing a parameter setting screen in the embodiment of the present utility model, and as shown in fig. 2 to 4, the operation box in the embodiment is used for starting and stopping the lubrication pump 1, reversing the reversing valve 3, and indicating an operation lamp; the operation panel of the operation box is a touch screen, and the pictures in the touch screen comprise a main picture, a data recording picture and a parameter setting picture; the pump station fault signal can be uploaded to an operation picture (HMI) of the central control room for display.
Fig. 5 shows a schematic diagram of a sectional high-pressure ball valve arrangement structure in an embodiment of the present utility model, as shown in fig. 5, in the embodiment, the setting position of the sectional high-pressure ball valve 9 includes at least 8 positions of the left and right seal outdoor inlets and outlets of the segments 1-4 segments, so as to ensure reliable lubrication of roller bearings of each segment of the segments and reduce the faults of valve core jamming and valve body oil leakage.
Fig. 6 shows a schematic diagram of a high-pressure ball valve arrangement structure in the prior art, as shown in fig. 6, in the prior art design, 2 segmented high-pressure ball valves 9 are respectively arranged at the access points of each segment on the dry oil hard pipe at the left side and the right side of the sector 1-4 segments, but the placement positions of the segmented high-pressure ball valves 9 are in the sector sealing chamber; in addition, 1 total high-pressure ball valve 10 is respectively arranged outside the sealing chambers at the left side and the right side of the sector section 1-4, and the left side and the right side of the sector section 1-4 can be respectively switched at the same time; when the valve is required to be closed due to oil leakage in the sector Duan Mou section, the sectional high-pressure ball valve 9 cannot be closed manually due to high temperature and large steam in a sealing chamber during production, but only the total high-pressure ball valve 10 of the 1-4 section can be closed, so that the 1-4 section roller bearings cannot be lubricated by dry oil (as shown in figure 6).
In this embodiment, the automatic pump starting time interval of the lubrication pump station is controlled by an internal time relay T of a small Programmable Logic Controller (PLC), the time control precision is high (error±1 second), the failure rate is low (when the failure occurs, a central control room operator can control information from the HMI and timely inform maintenance personnel to process), the operation condition of the pump station can be tracked and recorded (the "data recording picture" can be checked, the dry oil supply details of the pump system, the time of starting and stopping the pump, the oil filling time of each phase and the like can be known at any time), and scientific remedial measures (the oil filling of the fan-shaped section roller bearing is less can be properly carried out) are adopted according to the tracked and recorded condition.
In the existing design, the automatic pump starting time interval of the original pump station is controlled by an air type time delay time relay, the time control precision is low (positive and negative errors reach several minutes), the fault rate is high (when a fault occurs, a lubrication pump station cannot supply dry oil to a fan-shaped section roller bearing according to a preset time interval to ensure lubrication), and the operation condition of the pump station cannot be tracked and recorded (the responsibility of maintenance personnel in each class is completely relied on, and the dry oil supply detail of a pump system cannot be known at any time).
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A dry oil lubrication system, the system comprising: the device comprises a lubrication pump station, a reversing valve (3), a sectional high-pressure ball valve (9) and a distribution unit; the method specifically comprises the following steps:
A lubrication pump station for providing lubrication oil;
a reversing valve (3) for ensuring the direction of oil supply of the lubricating oil;
a plurality of sectional high-pressure ball valves (9) for controlling the inlet and outlet of lubricating oil;
A plurality of distribution units for distributing lubricating oil;
the lubrication pump station, the reversing valve (3), the sectional high-pressure ball valve (9) and the distribution unit are sequentially connected.
2. A dry oil lubrication system according to claim 1, characterized in that the system further comprises an operation box for starting and stopping the lubrication pump (1), reversing the reversing valve (3) and running light indication; the operation box is connected with the lubricating pump (1) and the reversing valve (3) by adopting cables.
3. A dry oil lubrication system according to claim 1, characterized in that the lubrication pump station comprises 2 lubrication pumps (1) and 2 reservoirs (2); wherein,
The oil reservoir (2) is arranged above the lubricating pump (1).
4. A dry oil lubrication system according to claim 1, characterized in that a piston is arranged in the reversing valve (3), and the up-and-down movement of the piston is used for switching the first oil supply pipe (5 a) and the second oil supply pipe (5 b) to be oil supply and unloading pipelines.
5. The dry oil lubrication system according to claim 1, wherein the arrangement position of the sectional high-pressure ball valve (9) comprises at least 8 positions of inlets and outlets outside the seal chambers on the left side and the right side of the sector section 1-4, each inlet and outlet is provided with 1 sectional high-pressure ball valve (9), and each sectional high-pressure ball valve (9) is arranged outside the seal chamber.
6. A dry oil lubrication system according to claim 1, characterized in that the distribution units comprise a distributor (4), each oil feed unit of the distributor (4) consisting of a pilot piston (4 a) and a main piston (4 b), the pilot piston (4 a) and the main piston (4 b) being connected by an internal bore (4 c), wherein,
The upper end of the pilot piston (4 a) is connected with a first oil supply pipe (5 a), the lower end of the pilot piston (4 a) is connected with a second oil supply pipe (5 b), the middle oil outlet of the cavity of the pilot piston (4 a) is connected with an oil supply pipe (6), and the oil supply pipe (6) is connected with an oil supply point;
An indication rod (8) is arranged at the upper end of the main piston (4 b), and an adjusting screw (7) is arranged outside the indication rod (8);
The first oil supply pipe (5 a) is connected with the upper end of the reversing valve (3) through a sectional high-pressure ball valve (9), and the second oil supply pipe (5 b) is connected with the lower end of the reversing valve (3) through a sectional high-pressure ball valve (9).
7. A dry oil lubrication system according to claim 6, wherein the pilot piston (4 a) is arranged to switch the passages of the first oil supply pipe (5 a), the second oil supply pipe (5 b) and the upper and lower chambers of the main piston (4 b); the main piston (4 b) and the main piston chamber meter the dose of oil and force the oil out.
8. A dry oil lubrication system according to claim 6, characterized in that the adjustment screw (7) is used for adjusting the amount of oil feed; the indication rod (8) is used for indicating the working state.
9. The dry oil lubrication system according to claim 2, wherein the operation panel of the operation box is a touch screen, and the pictures in the touch screen include a main picture, a data recording picture, and a parameter setting picture.
10. A dry oil lubrication system according to any one of claims 1 to 9, wherein the lubrication pump station further comprises an internal time relay T provided by a small programmable controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322915698.7U CN220930825U (en) | 2023-10-30 | 2023-10-30 | Dry oil lubrication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322915698.7U CN220930825U (en) | 2023-10-30 | 2023-10-30 | Dry oil lubrication system |
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| Publication Number | Publication Date |
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| CN220930825U true CN220930825U (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322915698.7U Active CN220930825U (en) | 2023-10-30 | 2023-10-30 | Dry oil lubrication system |
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| CN (1) | CN220930825U (en) |
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2023
- 2023-10-30 CN CN202322915698.7U patent/CN220930825U/en active Active
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