CN218882972U - Moisture monitoring device for concentrated thin oil lubrication gear box - Google Patents
Moisture monitoring device for concentrated thin oil lubrication gear box Download PDFInfo
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- CN218882972U CN218882972U CN202320080335.3U CN202320080335U CN218882972U CN 218882972 U CN218882972 U CN 218882972U CN 202320080335 U CN202320080335 U CN 202320080335U CN 218882972 U CN218882972 U CN 218882972U
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Abstract
The utility model relates to the technical field of water detection, and discloses a water monitoring device of a centralized thin oil lubrication gear box, which comprises an oil-water separator arranged below the gear box, wherein the top of the oil-water separator is provided with an oil discharge pipe connected with an oil discharge port of the gear box, the side edge of the oil-water separator is provided with an oil return pipe, the oil return pipe is connected with a thin oil tank, the thin oil tank is provided with an oil inlet pipe connected with an oil inlet of the gear box, and the oil inlet pipe is provided with a pump and a filter; the laser liquid level meter is installed in the oil-water separator, the gravity sensor is arranged at the bottom of an inner cavity of the oil-water separator, the bearing plug plate is arranged on the upper side of the gravity sensor, the lower portion of the oil-water separator is connected with a water diversion pipe, and the water diversion pipe is provided with a moisture detector and a ball valve. The utility model relates to a but concentrate moisture content in water monitoring devices of thin oil lubrication gear box real-time detection lubricating oil, two kinds of detection modes are parallel, and it is high, speed is fast to detect the precision to can realize water oil separating, in time arrange moisture outward, prevent the lubricating oil emulsification.
Description
Technical Field
The utility model relates to a moisture monitoring technology field, concretely relates to concentrate moisture monitoring devices of thin oil lubrication gear case.
Background
In heavy industrial production lines, in particular in the production line of plate and strip, there are many transmission gearboxes, which are large and small and are divided into heavy load and light load. Heavy-duty gear boxes have high requirements on lubrication, and a centralized thin oil lubrication system is usually adopted for lubrication and maintenance.
The centralized thin oil lubrication system has the obvious advantages that the pressure oil supply has enough supply, so that a plurality of widely distributed lubrication points can be lubricated in time, and friction heat generated by a friction pair can be removed; the mechanical impurities such as metal abrasive particles on the friction surface are taken away and washed clean along with the flowing and circulation of oil, so that the purposes of good lubrication, friction reduction, wear reduction, wearing part consumption reduction, power consumption reduction and equipment service life prolonging are achieved.
The centralized thin oil lubrication system also has some defects, the lubricating oil is recycled, the lubricating point position is more, but the situation of sealing failure of the gear box is inevitable due to loosening, aging and the like. Under the working conditions of flushing equipment, liquid soaking, splashing, spraying and the like, external moisture easily enters the gear box with sealing failure. In the initial stage, trace moisture enters a circulating system, if the trace moisture can be found in time, a small amount of moisture in the lubricating oil can be discharged through oil-water separation equipment, and the lubricating oil can be emulsified after a large amount of moisture enters the circulating system, so that the more the moisture is, the more the emulsification amount is serious. Emulsification of lubricating oil: after being mixed with water, the lubricating oil becomes cloudy and even coagulates into bean-flower shape, so that the viscosity of the lubricating oil is greatly reduced and the lubricating capability is lost. After a large amount of lubricating oil is emulsified, important equipment cannot be well lubricated, and serious equipment accidents are easy to happen.
Therefore, a water monitoring device for a concentrated thin oil lubrication gear box is urgently needed to find or judge whether the gear box has water inlet conditions or not in time so as to avoid the emulsification of a large amount of lubricating oil.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a concentrate moisture monitoring device of thin oil lubrication gear box, aim at solving the lubricated in-process of gear box, the problem of moisture monitoring difficulty, the easy emulsification of lubricating oil.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
a water monitoring device for a concentrated thin oil lubrication gearbox comprises an oil-water separator arranged below the gearbox, wherein the top of the oil-water separator is connected with an oil discharge pipe, the oil discharge pipe is detachably connected with an oil discharge port at the lower part of the gearbox, the side edge of the oil-water separator is connected with an oil return pipe, the diameter of the oil return pipe is consistent with that of the oil discharge pipe, the oil return pipe is connected with a thin oil tank, one end of the thin oil tank, which is far away from the oil return pipe, is connected with an oil inlet pipe, the oil inlet pipe is detachably connected with an oil inlet of the gearbox, and a pump and a filter are arranged on the oil inlet pipe;
the device comprises an oil-water separator, a laser liquid level meter, a gravity sensor, a connecting plug plate, a water diversion pipe, a ball valve, a moisture detector and a water outlet pipe, wherein the oil-water separator is internally provided with the laser liquid level meter, the bottom of an inner cavity of the oil-water separator is provided with the gravity sensor, the upper side of the gravity sensor is provided with the connecting plug plate, the lower part of the oil-water separator is connected with the water diversion pipe, the water inlet end of the water diversion pipe is provided with the ball valve, the water diversion pipe is provided with the moisture detector, and the water outlet end of the water diversion pipe is also provided with the ball valve;
the moisture monitoring device is also provided with an alarm which is electrically connected with the laser liquid level meter, the gravity sensor and the moisture detector.
By adopting the technical scheme, when the gear box needs to be lubricated and maintained, the oil-water separator and the gear box are connected together according to the connection mode, after the connection is finished, the pump is started to input lubricating oil in the thin oil tank into the gear box, so that the gears in the gear box are lubricated and maintained, and then the lubricating oil in the gear box flows to the oil-water separator through the oil discharge pipe; because the water is not compatible with the lubricating oil and has different densities, the density of the water is greater than that of the lubricating oil, the water and the lubricating oil can be subjected to gravity separation in the oil-water separator, the water is positioned at the lower layer, the lubricating oil is positioned at the upper layer, and the lubricating oil flows into the thin oil tank through the oil return pipe, so that the gear box is lubricated and maintained circularly; the laser liquid level meter, the gravity sensor and the moisture detector can detect the moisture content in the lubricating oil in real time, when the moisture content in the lubricating oil exceeds a preset threshold value, the alarm is automatically started to remind an operator, the operator opens the ball valve, and the moisture on the lower part of the oil-water separator is discharged outside through the water conduit.
Further, oil water separator inner chamber upper portion is provided with annular overflow weir, the annular overflow weir outside forms the overflow canal with oil water separator's casing, annular overflow weir inboard is the oil-water separation chamber, the one end that oil extraction pipe stretched into oil water separator is just to the overflow canal, lubricating oil in the gear box flows into the overflow canal through the oil extraction pipe, lubricating oil in the overflow canal flows into the oil-water separation chamber through annular overflow weir, it communicates with each other with the oil-water separation chamber to return oil pipe.
By the aid of the structure design, lubricating oil discharged by the oil discharge pipe can be collected through the overflow channel, and accordingly impact on liquid in the oil-water separation cavity is reduced.
Furthermore, the top of the annular overflow weir is provided with triangular teeth which are tightly connected.
Such structural design, the lubricating oil accessible of overflow ditch in overflows to the overflow of water oil separating chamber in the gap between the triangular teeth, and it is more gentle to flow, can not produce the impact to the liquid of water oil separating intracavity basically, and gravity measurement is more stable.
Furthermore, the oil inlet end of the oil return pipe and the bottom end of the triangular tooth are positioned on the same horizontal plane.
Due to the structural design, the working liquid level of the oil return pipe is close to the overflow triangular teeth of the annular overflow weir, so that oil can flow to the return pipe stably, and the mixing of water and lubricating oil is reduced.
Furthermore, the lower part of the annular overflow weir is provided with a through hole.
By adopting the structure design, the liquid stored in the overflow channel can flow to the oil-water separation cavity through the through hole, and no liquid is left.
Further, the oil-water separator is provided with an observation window.
Such structural design, the inside condition of oil water separator is directly looked over to the accessible observation window, and is simple, directly perceived.
Has the advantages that:
the utility model relates to a moisture monitoring device of a centralized thin oil lubrication gear box, which is provided with a vertically installed oil-water separator, an oil discharge pipe, an oil return pipe and a water diversion pipe, wherein, the oil-water separation is realized by utilizing gravity, the upper layer of lubricating oil flows into a thin oil tank through the oil return pipe, thereby circularly lubricating the gear box, the lower layer of moisture is deposited at the bottom of the oil-water separator and finally is discharged outside through the water diversion pipe; the utility model discloses a moisture monitoring devices still is equipped with gravity sensor, accepts cock board, moisture detector and annular overflow weir, but the moisture content in the real-time detection lubricating oil, and two kinds of detection methods are parallel, and it is high, fast to detect the precision.
Drawings
FIG. 1 is a schematic structural view of a water monitoring device for a centralized thin oil lubrication gearbox according to the present invention;
FIG. 2 is a front sectional view of the oil-water separator;
FIG. 3 is a sectional top view of the oil-water separator;
the reference numbers in the figures are as follows: the device comprises a gear box 1, an oil-water separator 2, an oil discharge pipe 3, an oil return pipe 4, a thin oil tank 5, an oil inlet pipe 6, a pump 7, a filter 8, a gravity sensor 9, a bearing plug plate 10, a water guide pipe 11, a moisture detector 12, an annular overflow weir 13, triangular teeth 14 and a through hole 15.
Detailed Description
The following description is given by way of specific embodiments, and those skilled in the art will appreciate the advantages and effects of the present invention from the disclosure provided in the present specification. It should be noted that the drawings provided in the following embodiments are for illustrative purposes only, and are only schematic drawings rather than actual drawings, which should not be construed as limiting the present invention, and in order to better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be understood that, if there are the terms "upper", "lower", "left", "right", "front", "back", etc. indicating the directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, therefore, the terms describing the positional relationships in the drawings are used only for exemplary illustration and are not to be construed as limitations of the present invention, and those skilled in the art can understand the specific meanings used above according to the specific situations.
As shown in fig. 1-3, the utility model discloses a moisture monitoring devices of lubricated gear box of concentrated thin oil, including setting up oil water separator 2 in gear box 1 below, oil water separator 2's top fixedly connected with arranges oil pipe 3, arrange oil pipe 3 and be connected with the mode of pegging graft with the oil drain port of gear box 1 lower part, oil water separator 2 upper portion right side fixedly connected with returns oil pipe 4, it is unanimous with the pipe diameter of arranging oil pipe 3 to return oil pipe 4, it is connected with thin oil tank 5 to return oil pipe 4, the one end that thin oil tank 5 kept away from back oil pipe 4 is connected with into oil pipe 6, it pegs graft with gear box 1's oil inlet to advance oil pipe 6, it installs pump 7 and filter 8 on the oil pipe 6 to advance.
The laser liquid level meter is installed in the oil-water separator 2, the gravity sensor 9 is arranged at the bottom of the inner cavity of the oil-water separator 2, the bearing plug plate 10 is arranged on the upper side of the gravity sensor 9, the lower portion of the oil-water separator 2 is connected with the water diversion pipe 11, the ball valve is arranged at the water inlet end of the water diversion pipe 11, the water content detector 12 is installed on the water diversion pipe 11, and the ball valve is also arranged at the water outlet end of the water diversion pipe 11.
2 inner chamber upper portions of oil water separator 2 are provided with annular overflow weir 13, 13 tops of annular overflow weir are provided with a plurality of zonulae occludens 14, 13 outsides of annular overflow weir form the overflow canal with the casing of oil water separator 2, 13 inboard oil water separation chambeies that are of annular overflow weir, the one end that oil extraction pipe 3 stretched into oil water separator 2 is just to the overflow canal, lubricating oil in the gear box 1 flows into the overflow canal through oil extraction pipe 3, lubricating oil in the overflow canal flows into the oil water separation chamber through annular overflow weir 13, it communicates with each other with the oil water separation chamber to return oil pipe 4, the oil feed end that returns oil pipe 4 is in same horizontal plane with the bottom of triangle tooth 14. The lower part of the annular overflow weir 13 is provided with a through hole 15, and the oil-water separator 2 is provided with an observation window.
The utility model discloses a moisture monitoring devices still is provided with the alarm, and the alarm is connected with laser liquid level meter, gravity sensor 9 and moisture detector 12 electricity.
When the gear box 1 needs to be lubricated and maintained, the oil-water separator 2 and the gear box 1 are connected together according to the connection mode, and in the lubrication and maintenance process, a plurality of gear boxes 1 can be lubricated simultaneously, namely a plurality of gear boxes 1 are connected in parallel between the oil inlet pipe 6 and the oil discharge pipe 3. After the gear box 1 is connected, the pump 7 is started to convey lubricating oil outwards, and the lubricating oil in the thin oil tank 5 enters the gear box 1 through the filter 8, so that gears inside the gear box 1 are lubricated and maintained. Lubricating oil in the gear box 1 flows to the oil-water separator 2 through the oil discharge pipe 3, and lubricating oil at first gets into the overflow canal, and a small part lubricating oil flows to the oil-water separation chamber through-hole 15, and another part lubricating oil assembles in the overflow canal, finally overflows to the oil-water separation chamber for the liquid level of lubricating oil constantly rises in the oil-water separation chamber, and is in same horizontal plane until lubricating oil and time oil return pipe 4. During the process of lubricating the gear box 1 by the lubricating oil, part of moisture is brought in and brought into the oil-water separation cavity. Because the water is not compatible with the lubricating oil and has different densities, the density of the water is greater than that of the lubricating oil, the water and the lubricating oil can be subjected to gravity separation in the oil-water separator 2, the water is at the lower layer, and the lubricating oil is at the upper layer. In the oil-water separation cavity, the lubricating oil on the upper layer flows into the thin oil tank 5 through the oil return pipe 4, so that the gear box 1 is lubricated and maintained circularly, and the water on the lower layer is deposited at the bottom of the oil-water separation cavity. When the moisture content in the lubricating oil exceeds a preset threshold value, the alarm can give an alarm sound, so that the alarm is started to remind an operator, the operator opens the ball valve, and moisture on the lower part of the oil-water separator 2 is discharged outside through the water conduit 11.
The utility model discloses principle of moisture monitoring devices monitoring moisture as follows:
1. the moisture content in the oil-water separation chamber is directly detected by a moisture detector 12.
2. The water content in the oil-water separation cavity is detected through a laser liquid level meter and a gravity sensor 9, and the calculation mode is as follows:
the laser liquid level meter detects the liquid level h in the oil-water separation cavity in real time, the gravity sensor 9 detects the gravity G in real time, the area of the connecting plug plate 10 is known as a fixed value S, and an alert threshold rho is set 1 ，ρ Oil <ρ 1 <ρ Water (I) ；
ρ Real-time ＝G/(Hs)
When ρ Real time >ρ 1 When the water content in the lubricating oil exceeds the standard, the alarm can give out an alarm sound to remind an operator;
when rho Real time <ρ 1 In the process, the water content in the lubricating oil exceeds the standard, and the alarm does not give an alarm sound.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the technical solutions of the present invention can be modified or replaced with other equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (6)
1. The utility model provides a concentrate moisture monitoring devices of thin oil lubrication gear box which characterized in that: the oil-water separator comprises an oil-water separator (2) arranged below a gear box (1), wherein the top of the oil-water separator (2) is connected with an oil discharge pipe (3), the oil discharge pipe (3) is detachably connected with an oil discharge port at the lower part of the gear box (1), the side edge of the oil-water separator (2) is connected with an oil return pipe (4), the oil return pipe (4) is consistent with the pipe diameter of the oil discharge pipe (3), the oil return pipe (4) is connected with a thin oil tank (5), one end, far away from the oil return pipe (4), of the thin oil tank (5) is connected with an oil inlet pipe (6), the oil inlet pipe (6) is detachably connected with an oil inlet of the gear box (1), and a pump (7) and a filter (8) are installed on the oil inlet pipe (6);
the laser liquid level meter is installed in the oil-water separator (2), a gravity sensor (9) is arranged at the bottom of an inner cavity of the oil-water separator (2), a bearing plug plate (10) is arranged on the upper side of the gravity sensor (9), a water diversion pipe (11) is connected to the lower portion of the oil-water separator (2), a ball valve is arranged at the water inlet end of the water diversion pipe (11), a moisture detector (12) is installed on the water diversion pipe (11), and a ball valve is also arranged at the water outlet end of the water diversion pipe (11);
the moisture monitoring device is also provided with an alarm which is electrically connected with the laser liquid level meter, the gravity sensor (9) and the moisture detector (12).
2. The moisture monitoring device for the concentrated thin oil lubrication gearbox according to claim 1, wherein: oil water separator (2) inner chamber upper portion is provided with annular overflow weir (13), the annular overflow weir (13) outside forms the overflow canal with the casing of oil water separator (2), annular overflow weir (13) inboard is the oil water separation chamber, the one end that oil extraction pipe (3) stretched into oil water separator (2) is just to the overflow canal, lubricating oil in gear box (1) flows into the overflow canal through oil extraction pipe (3), lubricating oil in the overflow canal flows into the oil water separation chamber through annular overflow weir (13), it communicates with each other with the oil water separation chamber to return oil pipe (4).
3. The moisture monitoring device for the concentrated thin oil lubrication gearbox according to claim 2, wherein: the top of the annular overflow weir (13) is provided with triangular teeth (14) which are tightly connected.
4. The moisture monitoring device for the concentrated thin oil lubrication gearbox according to claim 3, wherein: the oil inlet end of the oil return pipe (4) and the bottom end of the triangular tooth (14) are positioned on the same horizontal plane.
5. The moisture monitoring device for the concentrated thin oil lubrication gearbox according to claim 3, wherein: and a through hole (15) is formed in the lower part of the annular overflow weir (13).
6. The moisture monitoring device for the concentrated thin oil lubrication gearbox according to claim 1, wherein: the oil-water separator (2) is provided with an observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320080335.3U CN218882972U (en) | 2023-01-13 | 2023-01-13 | Moisture monitoring device for concentrated thin oil lubrication gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320080335.3U CN218882972U (en) | 2023-01-13 | 2023-01-13 | Moisture monitoring device for concentrated thin oil lubrication gear box |
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| Publication Number | Publication Date |
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| CN218882972U true CN218882972U (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320080335.3U Active CN218882972U (en) | 2023-01-13 | 2023-01-13 | Moisture monitoring device for concentrated thin oil lubrication gear box |
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| CN (1) | CN218882972U (en) |
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- 2023-01-13 CN CN202320080335.3U patent/CN218882972U/en active Active
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