CN217211418U - High-temperature lubricating oil circulating temperature control device of bearing testing machine - Google Patents
High-temperature lubricating oil circulating temperature control device of bearing testing machine Download PDFInfo
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- CN217211418U CN217211418U CN202220689377.2U CN202220689377U CN217211418U CN 217211418 U CN217211418 U CN 217211418U CN 202220689377 U CN202220689377 U CN 202220689377U CN 217211418 U CN217211418 U CN 217211418U
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Abstract
The utility model discloses a bearing testing machine high temperature lubricating oil circulation temperature control device, including oil tank, one-level heating element, fuel feeding component, second grade heating element, lubricating oil recovery subassembly and circulation cooling subassembly, one-level heating element sets up in the oil tank for the lubricating oil in the heating oil tank; the oil tank is connected with one end of the multi-group secondary heating assembly through the oil supply assembly, and the other end of the multi-group secondary heating assembly is connected with the oil supply end of the bearing testing machine. The utility model discloses an adopt the mode of heating in grades, preheat in the one-level oil tank, second grade pipeline induction heating, the oil tank sets up the circulating pump, guarantees that lubricating oil evenly heaies up, and lubricating oil temperature is no longer than 70 ℃ in the oil tank simultaneously, and lubricating oil carbonization phenomenon reduces by a wide margin, and the pipeline uses induction type heater, and its heating efficiency is high, and it is fast to heat up, stop, has improved the control accuracy of oil temperature, the phenomenon of oil temperature overshoot can not appear.
Description
Technical Field
The utility model relates to a lubricating oil control by temperature change technical field, concretely relates to bearing testing machine high temperature lubricating oil circulation temperature control device.
Background
During bearing service life testing, the simulation of the actual working condition is the premise of realizing the bearing test effectiveness and reliability, and the environment temperature simulation is the important content; for some bearing tests, the environment simulation test needs to heat the lubricating oil to a certain temperature and then provide the lubricating oil for the tested bearing, and the maximum temperature can exceed 150 ℃.
At present, an electric heating pipe in a conventional high-temperature lubricating system exchanges heat with surrounding lubricating oil through heat on the surface of the electric heating pipe, and the heating mode is often that the local temperature in an oil tank is very high, namely the temperature of the oil near a heater is quickly raised, and the temperature of the lubricating oil at other parts is slowly raised, so that the temperature of the lubricating oil at all parts in the oil tank is different.
Meanwhile, the conventional high-temperature lubricating system has long heating time, and lubricating oil of heater accessories is seriously carbonized due to poor fluidity of the lubricating oil in an oil tank, so that the system needs to be cleaned regularly and a filter element needs to be replaced. Because the temperature rise and the temperature drop of the heater are very slow, the phenomenon of overheating overshoot occurs to the oil temperature in the oil tank, and the temperature control precision is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the present invention is to provide a high temperature lubricating oil circulation temperature control device for a bearing testing machine.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the embodiment of the utility model provides a bearing testing machine high temperature lubricating oil circulation temperature control device, including oil tank, primary heating element, fuel feeding subassembly, secondary heating element, lubricating oil recovery subassembly and circulation cooling subassembly;
the primary heating assembly is arranged in the oil tank and used for heating lubricating oil in the oil tank;
the oil tank is connected with one ends of a plurality of groups of secondary heating assemblies through oil supply assemblies, and the other ends of the plurality of groups of secondary heating assemblies are connected with the oil supply end of the bearing testing machine;
the lubricating oil recovery end of the bearing testing machine is connected with the oil tank through a lubricating oil recovery assembly;
and two ends of the circulating cooling assembly are arranged in two sides of the oil tank and used for circulating lubricating oil in the oil tank and reducing the temperature of the lubricating oil.
The utility model discloses preferably, be provided with the thermometer in the oil tank for the lubricating oil temperature in the real-time supervision oil tank.
The utility model discloses preferably, one-level heating element includes a plurality of resistance heater, and is a plurality of distribute in the oil tank bottom after resistance heater connects in parallel.
The utility model discloses preferably, the fuel feeding subassembly includes fuel feed pump, fuel feeding filter and overflow valve, in the oil tank was arranged in to fuel feed pump's one end, fuel feeding pump's the other end and fuel feeding filter's one end are connected, fuel feeding filter's the other end is connected with multiunit second grade heating element's one end and the one end of overflow valve respectively, in the oil tank was arranged in to the other end of overflow valve.
The utility model discloses preferably, second grade heating element includes flow control valve, induction type heater and temperature sensor, flow control valve's one end is connected with fuel feeding filter's the other end, flow control valve's the other end is connected with induction type heater's one end, be connected with the fuel feeding end of bearing testing machine behind induction type heater's the other end connection temperature sensor, temperature sensor feeds back temperature signal in real time to induction type heater's built-in controller.
The utility model discloses preferably, the lubricating oil recovery subassembly includes oil trap, oil absorption filter and oil-well pump, the collection end of oil trap is connected with the lubricating oil recovery end of bearing test machine, the output of oil trap with the one end of oil absorption filter is connected, the other end of oil absorption filter is connected with the one end of oil-well pump, the other end of oil-well pump is arranged in the oil tank.
The utility model discloses preferably, circulation cooling subassembly includes circulating pump, cooler and circulating filter, in the oil tank was arranged in to the circulating pump, its output with the one end of cooler is connected, the other end of cooler is connected with circulating filter's one end, circulating filter's the other end is arranged in the oil tank.
Compared with the prior art, the utility model discloses an adopt the mode of heating in grades, preheat in the one-level oil tank, second grade pipeline induction heating, the oil tank sets up the circulating pump, guarantees that lubricating oil evenly heaies up, and lubricating oil temperature is no longer than 70 ℃ in the oil tank simultaneously, and lubricating oil carbonization phenomenon reduces by a wide margin, and the pipeline uses induction type heater, and its heating efficiency is high, and it is fast to heat up, stop speed, has improved the control accuracy of oil temperature, the phenomenon of the overshoot of oil temperature can not appear.
Drawings
FIG. 1 is the utility model provides a bearing testing machine high temperature lubricating oil circulation temperature control device's schematic structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides a bearing testing machine high temperature lubricating oil circulation temperature control device, as shown in figure 1, includes oil tank 1, primary heating element, fuel feeding element, secondary heating element, lubricating oil recovery element and circulation cooling element;
the primary heating assembly is arranged in the oil tank 1 and is used for heating lubricating oil in the oil tank 1;
the oil tank 1 is connected with one ends of a plurality of groups of secondary heating assemblies through oil supply assemblies, and the other ends of the plurality of groups of secondary heating assemblies are connected with an oil supply end 17 of a bearing testing machine 16;
the lubricating oil recovery end 18 of the bearing testing machine 16 is connected with the oil tank 1 through a lubricating oil recovery assembly;
two ends of the circulating cooling assembly are arranged in two sides of the oil tank 1 and used for circulating lubricating oil in the oil tank 1 and reducing the temperature of the lubricating oil.
As shown in fig. 1, a thermometer 13 is arranged in the oil tank 1 and is used for monitoring the temperature of the lubricating oil in the oil tank 1 in real time.
As shown in fig. 1, the primary heating assembly includes a plurality of resistance heaters 2, and the plurality of resistance heaters 2 are connected in parallel and then distributed at the bottom of the oil tank 1.
As shown in fig. 1, the resistance heater 2 heats the lubricant oil in the oil tank 1 to 70 ℃, and the temperature of the lubricant oil in the oil tank 1 is detected by the thermometer 12.
As shown in fig. 1, the oil supply assembly includes an oil supply pump 3, an oil supply filter 4 and an overflow valve 5, one end of the oil supply pump 3 is disposed in the oil tank 1, the other end of the oil supply pump 3 is connected with one end of the oil supply filter 4, the other end of the oil supply filter 4 is respectively connected with one end of a plurality of sets of two-stage heating assemblies and one end of the overflow valve 5, and the other end of the overflow valve 5 is disposed in the oil tank 1.
As shown in fig. 1, the oil supply pump 3 pumps the warmed lubricating oil in the oil tank 1, filters the lubricating oil through the oil supply filter 4, and then delivers the lubricating oil to the plurality of sets of two-stage heating units.
As shown in fig. 1, the secondary heating assembly includes a flow regulating valve 6, an induction heater 7 and a temperature sensor 8, one end of the flow regulating valve 6 is connected with the other end of the oil supply filter 4, the other end of the flow regulating valve 6 is connected with one end of the induction heater 7, the other end of the induction heater 7 is connected with an oil supply end 17 of the bearing testing machine 16 after being connected with the temperature sensor 8, and the temperature sensor 8 feeds back a temperature signal to a controller built in the induction heater 7 in real time.
As shown in fig. 1, a flow regulating valve 6 in the secondary heating assembly is used to regulate the flow of the lubricating oil supplied to the induction heater 7, wherein the flow regulating valve is of the type: QVHZO-TES-SN-EP-06/36/I, induction heater model: FIH-H-T400VAC/60-10-8005, the temperature sensor 8 feeds back the temperature signal of the lubricating oil output by the induction heater 7 to the controller built in the induction heater 7 in real time, and the temperature of the secondary heating lubricating oil is controlled.
As shown in fig. 1, the lubricating oil recovery assembly includes an oil collecting tank 15, an oil absorption filter 9 and an oil well pump 10, a collection end of the oil collecting tank 15 is connected with a lubricating oil recovery end 18 of a bearing tester 16, an output end of the oil collecting tank 15 is connected with one end of the oil absorption filter 9, the other end of the oil absorption filter 9 is connected with one end of the oil well pump 10, and the other end of the oil well pump 10 is disposed in the oil tank 1.
As shown in fig. 1, the circulating cooling assembly includes a circulating pump 11, a cooler 12 and a circulating filter 14, the circulating pump 11 is disposed in the oil tank 1, an output end of the circulating pump 11 is connected to one end of the cooler 12, the other end of the cooler 12 is connected to one end of the circulating filter 14, and the other end of the circulating filter 14 is disposed in the oil tank 1.
As shown in fig. 1, the resistance heater 2 heats the lubricating oil in the oil tank 1 to 70 ℃, the temperature of the lubricating oil in the oil tank 1 is detected by the thermometer 12, the circulating pump 11 circulates the lubricating oil in the oil tank, and the cooler 12 does not work at the moment and is only used for transmitting the lubricating oil, so that the temperature of the lubricating oil in the oil tank 1 is uniformly increased; when the temperature of the lubricating oil transmitted to the oil tank 1 by the oil pump 10 exceeds 80 ℃, the cooler 12 is opened, and the circulating pump 11 carries out cooling heat exchange on the recovered lubricating oil through the cooler 12 to cool the temperature of the lubricating oil to be below 80 ℃.
To sum up, the utility model discloses an adopt the mode of stage heating, preheat in the one-level oil tank, second grade pipeline induction heating, the oil tank sets up the circulating pump, guarantees that lubricating oil evenly heaies up, and lubricating oil temperature is no longer than 70 ℃ in the oil tank simultaneously, and lubricating oil carbonization phenomenon reduces by a wide margin, and the pipeline uses induction type heater, and its heating efficiency is high, and it is fast to heat up, stop speed, has improved the control accuracy of oil temperature, the phenomenon of the overshoot of oil temperature can not appear.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplified description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but also other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (7)
1. A high-temperature lubricating oil circulating temperature control device for a bearing testing machine is characterized by comprising an oil tank, a primary heating assembly, an oil supply assembly, a secondary heating assembly, a lubricating oil recovery assembly and a circulating cooling assembly;
the primary heating assembly is arranged in the oil tank and used for heating lubricating oil in the oil tank;
the oil tank is connected with one ends of a plurality of groups of secondary heating assemblies through oil supply assemblies, and the other ends of the plurality of groups of secondary heating assemblies are connected with the oil supply end of the bearing testing machine;
the lubricating oil recovery end of the bearing testing machine is connected with the oil tank through a lubricating oil recovery assembly;
and two ends of the circulating cooling assembly are arranged in two sides of the oil tank and used for circulating lubricating oil in the oil tank and reducing the temperature of the lubricating oil.
2. The high-temperature lubricating oil circulation temperature control device for the bearing testing machine according to claim 1, wherein a thermometer is arranged in the oil tank and used for monitoring the temperature of the lubricating oil in the oil tank in real time.
3. The high-temperature lubricating oil circulation temperature control device for the bearing testing machine according to claim 1 or 2, wherein the primary heating assembly comprises a plurality of resistance heaters, and the plurality of resistance heaters are distributed at the bottom of the oil tank after being connected in parallel.
4. The high-temperature lubricating oil circulation temperature control device for the bearing testing machine according to claim 3, wherein the oil supply assembly comprises an oil supply pump, an oil supply filter and an overflow valve, one end of the oil supply pump is arranged in the oil tank, the other end of the oil supply pump is connected with one end of the oil supply filter, the other end of the oil supply filter is respectively connected with one ends of the multiple groups of secondary heating assemblies and one end of the overflow valve, and the other end of the overflow valve is arranged in the oil tank.
5. The high-temperature lubricating oil circulation temperature control device for the bearing testing machine according to claim 4, wherein the secondary heating assembly comprises a flow regulating valve, an induction heater and a temperature sensor, one end of the flow regulating valve is connected with the other end of the oil supply filter, the other end of the flow regulating valve is connected with one end of the induction heater, the other end of the induction heater is connected with the oil supply end of the bearing testing machine after being connected with the temperature sensor, and the temperature sensor feeds a temperature signal back to a built-in controller of the induction heater in real time.
6. The high-temperature lubricating oil circulation temperature control device for the bearing testing machine according to claim 5, wherein the lubricating oil recovery assembly comprises an oil collecting tank, an oil absorption filter and an oil well pump, the collection end of the oil collecting tank is connected with the lubricating oil recovery end of the bearing testing machine, the output end of the oil collecting tank is connected with one end of the oil absorption filter, the other end of the oil absorption filter is connected with one end of the oil well pump, and the other end of the oil well pump is arranged in the oil tank.
7. The high-temperature lubricating oil circulation temperature control device for the bearing testing machine according to claim 6, wherein the circulation cooling component comprises a circulation pump, a cooler and a circulation filter, the circulation pump is arranged in the oil tank, the output end of the circulation pump is connected with one end of the cooler, the other end of the cooler is connected with one end of the circulation filter, and the other end of the circulation filter is arranged in the oil tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220689377.2U CN217211418U (en) | 2022-03-28 | 2022-03-28 | High-temperature lubricating oil circulating temperature control device of bearing testing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220689377.2U CN217211418U (en) | 2022-03-28 | 2022-03-28 | High-temperature lubricating oil circulating temperature control device of bearing testing machine |
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| CN217211418U true CN217211418U (en) | 2022-08-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234316A (en) * | 2022-09-08 | 2022-10-25 | 中国核动力研究设计院 | Lubrication system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234316A (en) * | 2022-09-08 | 2022-10-25 | 中国核动力研究设计院 | Lubrication system |
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