CN214403955U - Lubricating system with pump inlet protection device - Google Patents
Lubricating system with pump inlet protection device Download PDFInfo
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- CN214403955U CN214403955U CN202120415711.0U CN202120415711U CN214403955U CN 214403955 U CN214403955 U CN 214403955U CN 202120415711 U CN202120415711 U CN 202120415711U CN 214403955 U CN214403955 U CN 214403955U
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Abstract
The utility model provides a take pump entry protection device's lubricating system, its characterized in that includes: the device comprises a base, a pump inlet protection device, a pump device, a filter and a cooler, wherein the pump inlet protection device, the pump device, the filter and the cooler are all arranged on the base and are sequentially connected to a lubricating oil pipeline from a system oil inlet to an equipment interface; the pump inlet protection device comprises a box body, wherein a box body oil inlet and a box body oil outlet are formed in the box body; a heating device is arranged in the box body close to the first valve, and a filtering device is arranged in the box body close to the second valve; the oil inlet of the tank body is connected with the oil inlet of the system through a pipeline, and the oil outlet of the tank body is connected with the inlet of the pump device through a pipeline. The lubricating system with the pump inlet protection device of the utility model removes impurities in the fluid and protects the meshing surface of the pump; provides proper oil temperature condition and shortens the starting time.
Description
Technical Field
The utility model relates to a lubricated equipment technical field, in particular to take pump entry protection device's lubricating system.
Background
The lubricating system is widely applied, particularly plays an important role in the lubrication of transmission equipment under various working conditions, the transmission equipment has large and heavy working load, basically works in the fields, wharfs, mines and the like, the environment is complex and severe, and if the lubricating bearing of the equipment cannot be well lubricated, the whole engineering progress and the implementation rhythm of factory production can be influenced, so the reliability of the lubricating system is very important.
The large ground object in China, different climatic and geological conditions cause variable working conditions, the transmission device serving as a universal device is also applied to various working conditions, particularly the transmission device at low temperature, lubricating oil in a box body needs to be heated for a long time due to low oil temperature, or a lubricating system needs to be started forcibly, the resistance of the system is very large due to low oil temperature, the pressure is very high, the flow cannot meet the system requirement, the vibration is large, the noise is also large, great impact is generated, the whole system gives an alarm, a main machine cannot be started, and people feel that the device fails.
In addition, the lubricating system of the existing transmission system is not provided with a pump inlet protection device, mechanical abrasion in a transmission box body generates a large amount of scrap iron and impurities, the impurities are directly conveyed to enter a cavity of a gear pump or a screw pump through a pipeline, the impurities are directly contacted with a gear pair or a screw pair, a precise meshing surface is easily scratched, gaps are increased, flow is changed, influence on the quantitative pumps is fatal, even large particles can be directly clamped on the meshing surface, a motor for transmission is overloaded and burnt, even a shaft is broken, the whole pump device is damaged, and loss is huge.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve above-mentioned problem and go on, aim at provides a take pump entry protection device's lubricating system to realize that lubricating system can adapt to the requirement of low temperature and heavy load, do not delay too much activation time, do not too harsh to the starting condition of pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a take pump entry protection device's lubricating system has such characteristic, include: the device comprises a base, a pump inlet protection device, a pump device, a filter and a cooler, wherein the pump inlet protection device, the pump device, the filter and the cooler are all arranged on the base and are sequentially connected to a lubricating oil pipeline from a system oil inlet to an equipment interface; the pump inlet protection device comprises a box body, wherein a box body oil inlet and a box body oil outlet are formed in the box body; a heating device is arranged beside the first valve in the box body, and a filtering device is arranged beside the second valve; the oil inlet of the box body is connected with the oil inlet of the system through a pipeline, and the oil outlet of the box body is connected with the inlet of the pump device through a pipeline.
The utility model provides an among the lubricating system who takes pump entry protection device, its characterized in that still includes: and the first valve and the second valve are electrically connected with the electric controller respectively.
In the lubrication system with a pump inlet protection device provided by the utility model, the lubrication system can also have the following characteristics: wherein, heating device is electric heating device, and heating device is connected with the electric controller electricity.
In the lubrication system with a pump inlet protection device provided by the utility model, the lubrication system can also have the following characteristics: wherein, the inside of box still is provided with liquid level switch, and liquid level switch is connected with the electric controller electricity.
In the lubrication system with a pump inlet protection device provided by the utility model, the lubrication system can also have the following characteristics: wherein, filter equipment contains a plurality of magnetic part that are used for adsorbing iron fillings.
In the lubrication system with a pump inlet protection device provided by the utility model, the lubrication system can also have the following characteristics: the filter comprises a pump device, a filter, a first pressure gauge, a second pressure gauge, a thermometer and a flowmeter, wherein the first pressure gauge is arranged on a connecting pipeline between the pump device and the filter; the second pressure gauge, the thermometer and the flowmeter are sequentially arranged on a connecting pipeline between the cooler and the equipment interface.
The utility model discloses an effect and effect:
the utility model discloses a take pump entry protection device's lubricating system has solved the negative effects of two fatal conditions of pump entry: (1) the impurities in the fluid are removed, the meshing surface of the pump is protected, and (2) a proper oil temperature condition can be provided, so that the high pressure of the system caused by the overlarge resistance of the pump outlet is avoided. The reduction of manual maintenance in automatic lubrication equipment is a trend of industrialized progress, eliminates the condition that personnel maintenance is not in place and can damage the normal use of the equipment, and has great advancement.
The utility model discloses a take pump entry protection device's lubricating system has ended transmission lubricating system because weather and heavy load condition change and manual intervention's history at every turn, has realized automatic centralized lubrication and cooling under the all-weather operating mode. The problem that full-automatic centralized lubrication can be realized under the working condition that the climate and heavy load conditions change in transmission equipment is solved. The protection device can prolong the service life of the pump and ensure the good operation of the whole lubricating system.
The utility model discloses a take pump entry protection device's lubricating system has considered the convenience of maintaining in the design, has adopted the box design in pump entry protection device to increased filter area, inside filter equipment can in time be changed, can not influence the operation of equipment.
The utility model discloses a take pump entry protection device's lubricating system is provided with firing equipment in pump entry protection device, when lubricating oil passes through pump entry protection device, directly can improve the oil temperature to the condition that satisfies the pump start-up through online heating, consequently can not let the equipment host computer wait for a long time to practice thrift production time, improved production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a lubrication system with a pump inlet protection device in an embodiment of the present invention.
Reference numerals: the device comprises a box body 4, a first valve 31, a second valve 32, a heating device 1, a filtering device 2, a pump device shell 5, an electric pump 51, a filter 8, a cooler 9, a first pressure gauge 7, a third valve 6, a second pressure gauge 10, a thermometer 11, a flowmeter 12, a system oil inlet 14 and an equipment interface 13.
Detailed Description
In order to make the technical means, creation characteristics, achievement purpose and efficiency of the present invention easy to understand, the following embodiments are combined with the accompanying drawings to specifically describe the lubricating system with the pump inlet protection device of the present invention.
< example >
As shown in fig. 1, the present embodiment provides a lubrication system with a pump inlet protection device, the lubrication system comprising: a base, a pump inlet protection device, a pump device, a filter 8, a cooler 9, a number of monitoring instruments and an electrical controller. Monitoring meters include, but are not limited to, thermometers, flow meters, pressure gauges.
A base (not shown) is used to provide support for the lubrication system. The pump inlet protection device, the pump device, the filter 8 and the cooler 9 are all installed on the base and are sequentially connected to a lubricating oil pipeline from a system oil inlet 14 to an equipment interface 13, and arrows in the figure show the flowing direction of lubricating oil in the pipeline.
The pump inlet protection device comprises a tank 4, the tank 4 is provided with a tank oil inlet and a tank oil outlet, and the tank 4 is used for containing lubricating oil. The tank oil inlet is connected with the system oil inlet 14 through a pipeline, and the tank oil outlet is connected with the inlet of the pump device through a pipeline. The oil inlet of the tank body is provided with a first valve 31, the oil outlet of the tank body is provided with a second valve 32, the first valve 31 and the second valve 32 are both electric control valves, and the first valve 31 and the second valve 32 are respectively and electrically connected with an electric controller. The interior of the tank 4 is provided with a heating device 1 adjacent to the first valve 31 and a filtering device 2 adjacent to the second valve 32.
The heating device 1 is an electric heating device, and the heating device 1 is electrically connected with an electric controller. The heating device 1 comprises a temperature control switch and a plurality of heating cores. When the interior of the box 4 is filled with the lubricating oil, the heating core is located below the level of the lubricating oil and is used for heating the lubricating oil. The quantity and the total power of the heating cores are set according to the temperature rise requirement of the lubricating oil in the working condition. The temperature control switch automatically cuts off a circuit of the heating device after the temperature reaches a set value, so that the oil temperature is prevented from rising too high, and the lubricating performance of the lubricating oil is prevented from being damaged due to the fact that the oil temperature is too high.
The filter device 2 includes a strainer portion and a magnetic adsorption portion. The lubricating oil of coming from carrying in the transmission equipment box may have impurity and the iron fillings of large granule, and the filter screen part can filter the impurity of large granule, guarantees that the lubricating oil of export does not contain the impurity of large granule, and the magnetic adsorption part comprises a plurality of magnetic part that are used for adsorbing iron fillings, adsorbs iron fillings, has avoided damaging accurate gear and screw rod pair in the pump body is carried to the lubricating oil of processing via filter equipment 2.
The heating device 1 and the filtering device 2 are preferably detachably mounted, for example, a supporting seat or a supporting frame is fixed in the box body, and the heating device 1 and the filtering device 2 are detachably mounted on the supporting seat or the supporting frame through a bolt connection or a clamping connection, so that the heating device 1 or the filtering device 2 is convenient to detach when the heating device 1 or the filtering device 2 breaks down or is periodically repaired and replaced. The box 4 is provided with a box body to be provided with an upper cover, when the box body needs to be replaced, the first valve 31 and the second valve 32 are closed at the same time, the upper cover is opened, and a maintenance worker can replace the heating device 1 and the filtering device 2 on line.
The inside of the box body 4 is also provided with a liquid level sensor (not shown in the figure), and the liquid level sensor is electrically connected with the electric controller. The liquid level sensor is used for monitoring the liquid level of lubricating oil, and when the liquid level sensor senses that the liquid level is lower than the preset value, the liquid level sensor outputs a signal to the electric controller, and the electric controller receives the signal and then controls the circuit of the heating device to be disconnected, so that the heating device is prevented from being in an idle burning stage, and equipment is prevented from being damaged.
The pump device comprises a pump device housing 5 and an electric pump 51 arranged in the housing. A branch is connected to the connection line between the pump unit and the filter 8, and a third valve 6 and a first pressure gauge 7 are provided on the branch. The first pressure gauge 7 is used to monitor the line pressure between the pump unit and the filter, and the third valve 6 is used as a regulating valve, and the pressure in the line can be regulated by controlling the third valve. Preferably, the third valve 6 is an electrically controlled valve, the first pressure gauge 7 is an electronic pressure gauge, and the third valve 6 and the first pressure gauge 7 are electrically connected with the electric controller.
The filter 8 is used for microfiltration. The filter 8 is a precision filter with a filtering precision smaller than 100um, specifically, for example, a precision filter with a filtering precision of 50um and a microporous filter element is adopted, which is not limited, and the precision filter can be selected according to the equipment working condition and the specific requirement on the lubricating oil.
The cooler 9 is used to appropriately cool the lubricating oil. The inlet of the cooler 9 is connected to the outlet of the filter 8. The outlet of the cooler 9 is connected to the device connection 13 via a line. A second pressure gauge 10, a thermometer 11 and a flowmeter 12 are sequentially arranged on a connecting pipeline between the cooler 9 and the equipment interface 13. The second pressure gauge 10 is an electronic pressure gauge, the thermometer 11 adopts an electronic temperature sensor, and the flowmeter adopts an electromagnetic flow sensor. The second pressure gauge 10, the thermometer 11 and the flowmeter 12 are respectively electrically connected with the electric controller. The electric controller is preferably a PLC electric controller. Preferably, the electric controller can also be electrically connected with a display screen and is used for displaying the pipeline pressure value, the temperature value, the flow value and the like on the display screen in a centralized manner.
At low temperature, the oil temperature of the transmission equipment is close to room temperature, and a common pump device can be started only when the temperature is more than 15-20 ℃. The utility model discloses a take pump entry protection device's lubricating system can solve this problem of starting difficulty. The operation of the lubrication system with pump inlet protection of the present embodiment at low temperature is as follows:
the lubricating oil in the transmission equipment is extracted through the pump device, the lubricating oil firstly enters a box body of the pump inlet protection device through a system oil inlet 14, the oil temperature is rapidly increased to the temperature suitable for starting the pump in the box body through the heating device 1, and scrap iron and impurities brought in from the transmission equipment are filtered through the filtering device 2. The lubricant then enters the pump unit, which solves the problems of low temperature effects and damage of impurities to the delicate components of the gear or screw in the pump, since the lubricant has been previously well treated. The lubricating oil is then passed through a fine filter 8 to filter out small particulate impurities. And then, the lubricating oil cleaned by the precision filter 8 enters the cooler 8 for cooling, the cooled lubricating oil can be monitored in real time in a pipeline through the second pressure gauge 10, the thermometer 11 and the flowmeter 12 and then is transmitted back to the transmission equipment, so that cleaning and heat exchange are completed, lubricating points and friction pairs in the transmission equipment are well lubricated and cooled, impurities generated by the friction pairs are taken away, and normal work of the transmission equipment and a host machine thereof is ensured.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. A lubrication system with a pump inlet protection device, comprising: a base, a pump inlet protection device, a pump device, a filter and a cooler,
the pump inlet protection device, the pump device, the filter and the cooler are all installed on the base and sequentially connected to a lubricating oil pipeline from a system oil inlet to an equipment interface;
the pump inlet protection device comprises a box body, wherein a box body oil inlet and a box body oil outlet are formed in the box body, a first valve is arranged at the box body oil inlet, and a second valve is arranged at the box body oil outlet;
a heating device is arranged beside the first valve in the box body, and a filtering device is arranged beside the second valve;
the oil inlet of the box body is connected with the oil inlet of the system through a pipeline, and the oil outlet of the box body is connected with the inlet of the pump device through a pipeline.
2. The lubrication system with pump inlet protection as set forth in claim 1, further comprising: an electric controller is used for controlling the electric power,
the first valve and the second valve are both electric control valves, and the first valve and the second valve are respectively and electrically connected with the electric controller.
3. The lubrication system with pump inlet protection as set forth in claim 2, wherein:
wherein, the heating device is an electric heating device, and the heating device is electrically connected with the electric controller.
4. The lubrication system with pump inlet protection as set forth in claim 2, wherein:
and a liquid level switch is also arranged in the box body and is electrically connected with the electric controller.
5. The lubrication system with pump inlet protection as claimed in any one of claims 1 to 4, wherein:
wherein, the filter equipment contains a plurality of magnetic part that are used for adsorbing iron fillings.
6. The lubrication system with pump inlet protection as in claim 1 or 2, further comprising: a first pressure gauge, a second pressure gauge, a thermometer and a flowmeter,
wherein the first pressure gauge is arranged on a connecting pipeline between the pump device and the filter;
the second pressure gauge, the thermometer and the flowmeter are sequentially arranged on a connecting pipeline between the cooler and the equipment interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415711.0U CN214403955U (en) | 2021-02-25 | 2021-02-25 | Lubricating system with pump inlet protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415711.0U CN214403955U (en) | 2021-02-25 | 2021-02-25 | Lubricating system with pump inlet protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214403955U true CN214403955U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120415711.0U Active CN214403955U (en) | 2021-02-25 | 2021-02-25 | Lubricating system with pump inlet protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214403955U (en) |
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2021
- 2021-02-25 CN CN202120415711.0U patent/CN214403955U/en active Active
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