Lubricating oil filtering device convenient to use

Abstract

The utility model provides a lubricating oil filtering device convenient to use, and relates to the field of lubricating oil filtering equipment, the lubricating oil filtering device convenient to use comprises a support, two filtering assemblies are installed in an inner cavity of the support, each filtering assembly comprises an end cover, a filtering cylinder and a filtering element, and the filtering assemblies are used for filtering lubricating oil. A reversing valve is communicated between the two filtering assemblies, the reversing valve is used for switching the flowing direction of lubricating oil, and a monitoring assembly, an oil inlet electromagnetic valve and an oil outlet electromagnetic valve are installed on the surface of each filtering assembly; according to the lubricating oil filtering device, by arranging the filtering assembly, the reversing valve and the monitoring assembly, the lubricating oil can be filtered, the filtering assembly and the reversing valve can be matched to filter the lubricating oil, the monitoring assembly can monitor the operation condition of the filtering assembly, and compared with a traditional lubricating oil filtering device, the lubricating oil filtering device has the advantages that the filtering efficiency is improved; the device has the characteristics of small size and strong universality, reduces the occupied space, and is convenient for daily inspection and maintenance.

Description

Technical Field

[0001] The utility model belongs to the field of lubricating oil filtering equipment, in particular to a lubricating oil filtering device which is easy to use. Background Art

[0002] Lubrication systems have been widely used in the lubrication and cooling of large open gear pairs in power plants, mines, cement and other equipment. They are used to provide clean, suitable viscosity and quality lubricants to ensure the normal operation of mechanical equipment and extend the life of equipment. In large-scale equipment such as power plants, mines, cement and other equipment, large open gears are often selected as the main drive units of the equipment. Their transmission gear pairs are in low-speed, heavy-load and high-impact working conditions for a long time. Different forms of damage often occur on the gear surface, such as excessive wear, abrasion, bonding, pitting, plastic deformation, etc., which in turn lead to the loss of metal material on the tooth surface, change the geometric dimensions of the gear, seriously affect the service life of the gear pair, and reduce the continuity of production. Therefore, lubrication stations are usually equipped to provide lubrication for them. However, oil stations are usually too large and have too complicated structures. They require additional brackets and a larger installation space to install the oil station. The need for a larger installation space has brought limitations to its use.

[0003] In summary, the utility model provides an easy-to-use lubricating oil filtering device to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A lubricating oil filter device that is easy to use comprises a bracket, an inner cavity of the bracket is installed with a filter assembly, the number of the filter assemblies is two, the filter assembly comprises an end cover, a filter cartridge and a filter element, the filter assembly is used to filter the lubricating oil, a reversing valve is connected between the two filter assemblies, the reversing valve is used to switch the flow direction of the lubricating oil, a monitoring assembly is installed on the surface of the filter assembly, the monitoring assembly comprises a PLC controller, a temperature transmitter, a differential pressure transmitter, a temperature gauge, a pressure gauge, a pressure switch, an alarm light, an oil inlet solenoid valve and an oil outlet solenoid valve, and the monitoring assembly is used to monitor the operation of the filter assembly.

[0006] Furthermore, in the present invention, the end cover is fixedly connected to the inner wall of the bracket, and the filter cartridge is located at the bottom of the end cover and is movably connected to the end cover.

[0007] Furthermore, in the utility model, the filter element is located in the inner cavity of the filter cartridge and is movably connected to the inner cavity of the filter cartridge, and an oil inlet pipe and an oil outlet pipe are provided on the surface of the end cover.

[0008] Furthermore, in the utility model, the PLC controller is fixed to the surface of the bracket, the pressure gauge is installed on the bottom of the end cover, and the alarm light is installed on one side of the end cover.

[0009] Furthermore, in the utility model, the oil inlet solenoid valve and the oil outlet solenoid valve are respectively installed on the surface of the oil inlet pipe and the oil outlet pipe, and the temperature transmitter, differential pressure transmitter, temperature gauge and pressure switch are all installed on the surface of the PLC controller.

[0010] Furthermore, in the utility model, the output ends of the PLC controller, the differential pressure transmitter and the pressure switch are all connected to the input end of the PLC controller, the output end of the PLC controller is respectively connected to the input ends of the alarm light, the oil inlet solenoid valve, the oil outlet solenoid valve and the reversing valve, the output end of the temperature transmitter is connected to the input end of the temperature meter, and the output end of the pressure switch is connected to the input end of the pressure gauge.

[0011] Beneficial effects: The utility model has the following beneficial effects:

[0012] The utility model achieves the effect of filtering the lubricating oil by arranging a filter assembly, a reversing valve and a monitoring assembly, thereby providing clean lubricating oil. The filter assembly and the reversing valve cooperate to filter the lubricating oil, and the monitoring assembly can monitor the operation of the filter assembly, thereby being able to maintain the filter assembly in time. Compared with traditional lubricating oil filtering devices, the utility model has the characteristics of small size and strong versatility, reduces space occupied, and is convenient for daily inspection and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 It is a right view structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure of the filter assembly of the utility model in a separated state;

[0016] Figure 4 It is a schematic diagram of the monitoring process of the utility model.

[0017] In the figure:

[0018] 1. Bracket; 2. Filter assembly; 201. End cover; 202. Filter cartridge; 203. Filter element; 3. Reversing valve; 4. Monitoring assembly; 401. PLC controller; 402. Temperature transmitter; 403. Differential pressure transmitter; 404. Temperature gauge; 405. Pressure gauge; 406. Pressure switch; 407. Alarm light; 408. Oil inlet solenoid valve; 409. Oil outlet solenoid valve. DETAILED DESCRIPTION

[0019] In order to better understand the technical content of the utility model, specific embodiments are cited and described as follows in conjunction with the accompanying drawings. In this disclosure, various aspects of the utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the accompanying drawings. The embodiments of the present disclosure are not necessarily defined to include all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the utility model are not limited to any implementation method. In addition, some aspects disclosed in the utility model can be used alone, or used in any appropriate combination with other aspects disclosed in the utility model.

[0020] Example 1

[0021] like Figure 1-4 As shown, it is the first embodiment of the utility model, which provides an easy-to-use lubricating oil filtering device, including a bracket 1, the inner cavity of the bracket 1 is equipped with a filter assembly 2, the number of the filter assembly 2 is two, the filter assembly 2 includes an end cover 201, a filter cartridge 202 and a filter element 203, the filter assembly 2 is used to filter the lubricating oil, the two filter assemblies 2 are connected with a reversing valve 3, the reversing valve 3 is used to switch the flow direction of the lubricating oil, the surface of the filter assembly 2 is equipped with a monitoring assembly 4, the monitoring assembly 4 includes a PLC controller 401, a temperature transmitter 402, a differential pressure transmitter 403, a temperature gauge 404, a pressure gauge 405, a pressure switch 406, an alarm light 407, an oil inlet solenoid valve 408 and an oil outlet solenoid valve 409, and the monitoring assembly 4 is used to monitor the operation of the filter assembly 2.

[0022] like Figure 1-4 As shown, the filter assembly 2 is provided with two groups, and one is used and the other is reserved. The reversing valve 3 can change the flow direction of the lubricating oil when one group of the filter assembly 2 is blocked for maintenance, so that it can be switched for use. The monitoring assembly 4 can monitor the operating status of the filter assembly 2. The operating pressure of the filter assembly 2 can be monitored by the differential pressure transmitter 403 and the pressure gauge 405. When the operating pressure is too low or too high, the alarm light 407 can sound an alarm. The reversing valve 3, the oil inlet solenoid valve 408 and the oil outlet solenoid valve 409 can be switched to ensure the normal operation of the filter and avoid shutdown. The filter assembly 2 can transport the filtered lubricating oil for use through an external gear pump. The temperature transmitter 402 can set the upper limit of the operating temperature. The operating temperature can be displayed in real time through the temperature gauge 404. The pressure gauge 405 can display the operating pressure in real time, so that it is convenient for on-site inspection.

[0023] Example 2

[0024] Reference Figure 1-4, which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0025] In this embodiment, the end cover 201 is fixedly connected to the inner wall of the bracket 1 , and the filter cartridge 202 is located at the bottom of the end cover 201 and is movably connected to the end cover 201 .

[0026] The filter element 203 is located in the inner cavity of the filter cartridge 202 and is movably connected to the inner cavity of the filter cartridge 202 . An oil inlet pipe and an oil outlet pipe are provided on the surface of the end cover 201 .

[0027] The PLC controller 401 is fixed on the surface of the bracket 1 , the pressure gauge 405 is installed on the bottom of the end cover 201 , and the alarm light 407 is installed on one side of the end cover 201 .

[0028] The oil inlet solenoid valve 408 and the oil outlet solenoid valve 409 are respectively installed on the surface of the oil inlet pipe and the oil outlet pipe, and the temperature transmitter 402, the differential pressure transmitter 403, the temperature gauge 404 and the pressure switch 406 are all installed on the surface of the PLC controller 401.

[0029] The output ends of the PLC controller 401, the differential pressure transmitter 403 and the pressure switch 406 are all connected to the input end of the PLC controller 401, the output end of the PLC controller 401 is respectively connected to the input end of the alarm light 407, the oil inlet solenoid valve 408, the oil outlet solenoid valve 409 and the reversing valve 3, the output end of the temperature transmitter 402 is connected to the input end of the temperature meter 404, and the output end of the pressure switch 406 is connected to the input end of the pressure gauge 405.

[0030] like Figure 1-4As shown, the lubricating oil enters the inner cavity of the filter cartridge 202 through the oil inlet pipe on the surface of the end cover 201, and the impurities in the lubricating oil are filtered through the filter element 203, so as to improve the cleanliness of the lubricating oil. The filtered lubricating oil is transported to the gear box for lubrication through the oil outlet on the surface of the end cover 201 in cooperation with the external gear pump. The filter cartridge 202 and the end cover 201 can be connected by bolts, and the filter element 203 can be easily disassembled for replacement and maintenance. When the lubricating oil enters the inner cavity of the filter cartridge 202 and is discharged, the oil inlet solenoid valve 408 can monitor the oil inlet pressure and the oil outlet pressure, so as to monitor the pressure difference, and the pressure switch 406 can monitor the operating pressure of the inner cavity of the filter cartridge 202 and monitor the pressure difference through the pressure The temperature gauge 405 is used for real-time display, the temperature transmitter 402 can monitor the operating temperature of the inner cavity of the filter cartridge 202, and displays it in real time through the temperature gauge 404. The differential pressure transmitter 403 sends the monitoring data to the PLC controller 401. When the operating differential pressure reaches the set value, the alarm is sounded through the alarm light 407, and the reversing valve 3, the oil inlet solenoid valve 408 and the oil outlet solenoid valve 409 are switched. The reversing valve 3 adopts a two-position six-way valve. The model of the differential pressure transmitter 403 can be Rosemount 3051CD, the model of the temperature transmitter 402 can be Rosemount 248, and the model of the pressure switch 406 can be 9692x-1CC-2-W72.

[0031] When in use, the lubricating oil enters the inner cavity of the filter cartridge 202 through the oil inlet pipe on the surface of the end cover 201, and the impurities in the lubricating oil are filtered through the filter element 203, so as to improve the cleanliness of the lubricating oil. The filtered lubricating oil is transported to the gear box for lubrication through the oil outlet on the surface of the end cover 201 in cooperation with the external gear pump. The filter cartridge 202 and the end cover 201 can be connected by bolts, and the filter element 203 can be easily disassembled for replacement and maintenance. When the lubricating oil enters the inner cavity of the filter cartridge 202 and is discharged, the oil inlet solenoid valve 408 can monitor the oil inlet pressure and the oil outlet pressure, so as to monitor the pressure difference, and the pressure switch 406 can monitor the inner cavity of the filter cartridge 202. The operating pressure is monitored and displayed in real time through the pressure gauge 405. The temperature transmitter 402 can monitor the operating temperature of the inner cavity of the filter cartridge 202 and display it in real time through the temperature gauge 404. The differential pressure transmitter 403 sends the monitoring data to the PLC controller 401. When the operating pressure difference reaches the set value, the alarm is sounded through the alarm light 407, and the filter component 2 is switched through the reversing valve 3, the oil inlet solenoid valve 408 and the oil outlet solenoid valve 409, so as to avoid shutdown. Compared with traditional lubricating oil filtering devices, it has the characteristics of small size and strong versatility, reduces the space occupied, and is convenient for daily inspection and maintenance.

[0032] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0033] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. A lubricating oil filter device that is easy to use, comprising a bracket (1), characterized in that: The inner cavity of the support (1) is provided with a filter assembly (2), the number of the filter assemblies (2) being two, the filter assembly (2) comprising an end cover (201), a filter cartridge (202) and a filter element (203), the filter assembly (2) being used to filter lubricating oil, a reversing valve (3) being connected between the two filter assemblies (2), the reversing valve (3) being used to switch the flow direction of the lubricating oil, a monitoring assembly (4) being provided on the surface of the filter assembly (2), the monitoring assembly (4) comprising a PLC controller (401), a temperature transmitter (402), a differential pressure transmitter (403), a temperature gauge (404), a pressure gauge (405), a pressure switch (406), an alarm lamp (407), an oil inlet solenoid valve (408) and an oil outlet solenoid valve (409), the monitoring assembly (4) being used to monitor the operation of the filter assembly (2).

2. The lubricating oil filter device as claimed in claim 1, characterized in that: The end cover (201) is fixedly connected to the inner wall of the bracket (1), and the filter cartridge (202) is located at the bottom of the end cover (201) and is movably connected to the end cover (201).

3. The lubricating oil filter device as claimed in claim 1, characterized in that: The filter element (203) is located in the inner cavity of the filter cartridge (202) and is movably connected to the inner cavity of the filter cartridge (202); an oil inlet pipe and an oil outlet pipe are provided on the surface of the end cover (201).

4. The lubricating oil filter device convenient to use as claimed in claim 1, characterized in that: The PLC controller (401) is fixed to the surface of the bracket (1), the pressure gauge (405) is installed on the bottom of the end cover (201), and the alarm light (407) is installed on one side of the end cover (201).

5. The lubricating oil filter device convenient to use as claimed in claim 1, characterized in that: The oil inlet solenoid valve (408) and the oil outlet solenoid valve (409) are respectively installed on the surface of the oil inlet pipe and the oil outlet pipe, and the temperature transmitter (402), the differential pressure transmitter (403), the temperature gauge (404) and the pressure switch (406) are all installed on the surface of the PLC controller (401).

6. The lubricating oil filter device convenient to use as claimed in claim 1, characterized in that: The output ends of the PLC controller (401), the differential pressure transmitter (403) and the pressure switch (406) are all connected to the input end of the PLC controller (401); the output end of the PLC controller (401) is respectively connected to the input ends of the alarm light (407), the oil inlet solenoid valve (408), the oil outlet solenoid valve (409) and the reversing valve (3); the output end of the temperature transmitter (402) is connected to the input end of the temperature meter (404); and the output end of the pressure switch (406) is connected to the input end of the pressure meter (405).

Images