CN211160226U - Automatic alarm magnetic filter - Google Patents
Automatic alarm magnetic filter Download PDFInfo
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- CN211160226U CN211160226U CN201922028120.3U CN201922028120U CN211160226U CN 211160226 U CN211160226 U CN 211160226U CN 201922028120 U CN201922028120 U CN 201922028120U CN 211160226 U CN211160226 U CN 211160226U
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- magnetic core
- filter
- magnetic
- proximity switch
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Abstract
The utility model discloses an automatic warning magnetic filter, include: the device comprises a shell, an upper cover, a filter screen, a magnetic core, a proximity switch, a controller and an alarm; the upper end of the shell is provided with an opening, the upper cover is covered on the opening in a sealing manner, the magnetic core is fixed on the upper cover and extends into a cavity in the shell, two opposite side walls of the shell are respectively provided with an oil inlet and an oil outlet, filter screens are arranged at the oil inlet and the oil outlet, the proximity switch penetrates through the other side wall of the shell and extends into the cavity of the shell and is arranged opposite to the magnetic core, the proximity switch is connected with a controller through a lead, and the controller is connected with an alarm; the filter screen is the arc, and the concave surface of two curved filter screens is towards the magnetic core. After the staff discovers to report to the police, can in time dismantle and change the magnetic core to wash the magnetic core, in order to reduce the loss to hydraulic component, improve life, improve work efficiency.
Description
Technical Field
The utility model belongs to the technical field of entry driving machine magnetic filter, a automatic alarm magnetic filter is related to.
Background
The magnetic filter used in the current full-face tunnel boring machine mainly has the following defects: the automatic alarm device is not provided with an impurity detection mechanism, cannot automatically alarm when being blocked, cannot timely know the state of the magnetic filter and cannot timely clean up a worker, and a filter element in an oil return pipeline is replaced, so that impurities in a pipeline system are increased, and the service life of a hydraulic element is shortened.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing an automatic warning magnetic filter, the clearance in time is changed magnetic filter core, protection pipe-line system increases hydraulic component life, improves work efficiency.
The utility model provides an automatic warning magnetic filter, include: the device comprises a shell, an upper cover, a filter screen, a magnetic core, a proximity switch, a controller and an alarm;
The upper end of the shell is provided with an opening, the upper cover is covered on the opening in a sealing manner, the magnetic core is fixed on the upper cover and extends into a cavity in the shell, two opposite side walls of the shell are respectively provided with an oil inlet and an oil outlet, filter screens are arranged at the oil inlet and the oil outlet, the proximity switch penetrates through the other side wall of the shell and extends into the cavity of the shell and is arranged opposite to the magnetic core, the proximity switch is connected with a controller through a lead, and the controller is connected with an alarm; the filter screen is the arc, and the concave surface of two curved filter screens is towards the magnetic core.
The utility model discloses an among the automatic alarm magnetic filter, automatic alarm magnetic filter is equipped with a plurality of cake shape magnetic cores, separates through the axle sleeve between the cake shape magnetic core and installs epaxially, and threaded connection is passed through with the upper cover in the top of axle.
The utility model discloses an among the automatic alarm magnetic filter, be equipped with the mounting hole on the lateral wall of casing, proximity switch passes in the mounting hole installs the casing, installs seal ring in the mounting hole.
The utility model discloses an automatic alarm magnetic filter can in time feedback signal, makes the staff in time know magnetic filter's state, and then clearance, change the magnetic core, makes hydraulic component obtain the protection, increases life, improves work efficiency.
Drawings
FIG. 1 is a cross-sectional view of an automatic alarm magnetic filter of the present invention;
FIG. 2 is a schematic view of the installation of a proximity switch of an automatic alarm magnetic filter of the present invention;
Fig. 3 is a top cross-sectional view of an automatic alarm magnetic filter according to the present invention.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses an automatic alarm magnetic filter, include: the device comprises a shell 1, an upper cover 8, a filter screen 2, a magnetic core 4, a proximity switch 3, a controller 10 and an alarm 11.
An opening is formed in the upper end of the shell 1, and the upper cover 8 covers the opening. The magnetic core 4 is fixed to the upper cover 8 and extends into the cavity in the housing 1. An oil inlet 20 and an oil outlet 30 are respectively arranged on two opposite side walls of the shell 1, filter screens 2 are respectively arranged at the oil inlet 20 and the oil outlet 30, the proximity switch 3 penetrates through the other side wall of the shell 1 to extend into the cavity of the shell 1 and is arranged opposite to the magnetic core 4, the proximity switch 3 is connected with a controller 10 through a lead 9, and the controller 10 is connected with an alarm 11. The filter screen 2 is arc-shaped, and the concave surfaces of the two arc-shaped filter screens face the magnetic core 4.
During specific implementation, the automatic alarm magnetic filter is provided with a plurality of disc-shaped magnetic cores, the disc-shaped magnetic cores are separately installed on the shaft 6 through the shaft sleeve 7, and the top end of the shaft 6 is connected with the upper cover 8 through threads.
The side wall of the shell 1 is provided with a mounting hole, the proximity switch 3 passes through the mounting hole to be mounted in the shell 1, and a sealing gasket 5 is mounted in the mounting hole.
during specific implementation, get into casing 1 back when liquid through the oil inlet, solid impurity particle is blockked by filter screen 3, the fineness iron fillings composition that contains in the liquid then can be adsorbed on magnetic core 4, when adsorbed iron fillings reach certain thickness, proximity switch 3 feedback signal gives controller 10, controller 10 sends alarm control signal to the alarm, the alarm reports to the police, the alarm specifically can adopt buzzer warning or L ED lamp to report to the police.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the spirit of the present invention, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. An automatic alarm magnetic filter, comprising: the device comprises a shell, an upper cover, a filter screen, a magnetic core, a proximity switch, a controller and an alarm;
The upper end of the shell is provided with an opening, the upper cover is covered on the opening in a sealing manner, the magnetic core is fixed on the upper cover and extends into a cavity in the shell, two opposite side walls of the shell are respectively provided with an oil inlet and an oil outlet, filter screens are arranged at the oil inlet and the oil outlet, the proximity switch penetrates through the other side wall of the shell and extends into the cavity of the shell and is arranged opposite to the magnetic core, the proximity switch is connected with a controller through a lead, and the controller is connected with an alarm; the filter screen is the arc, and the concave surface of two curved filter screens is towards the magnetic core.
2. The automatic alarm magnetic filter of claim 1, wherein the automatic alarm magnetic filter is provided with a plurality of disk-shaped magnetic cores which are separately installed on a shaft through a bushing, and the top end of the shaft is connected with the upper cover through a screw.
3. The automatic alarm magnetic filter of claim 1, wherein the housing has a mounting hole in a sidewall thereof, the proximity switch being mounted in the housing through the mounting hole, and a sealing gasket being mounted in the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028120.3U CN211160226U (en) | 2019-11-22 | 2019-11-22 | Automatic alarm magnetic filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028120.3U CN211160226U (en) | 2019-11-22 | 2019-11-22 | Automatic alarm magnetic filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211160226U true CN211160226U (en) | 2020-08-04 |
Family
ID=71793152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922028120.3U Active CN211160226U (en) | 2019-11-22 | 2019-11-22 | Automatic alarm magnetic filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211160226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115591310A (en) * | 2022-12-12 | 2023-01-13 | 华能兰州西固热电有限公司（Cn） | System and method for filtering ferromagnetic particles in gradient magnetic field electric oil |
-
2019
- 2019-11-22 CN CN201922028120.3U patent/CN211160226U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115591310A (en) * | 2022-12-12 | 2023-01-13 | 华能兰州西固热电有限公司（Cn） | System and method for filtering ferromagnetic particles in gradient magnetic field electric oil |
| CN115591310B (en) * | 2022-12-12 | 2023-03-14 | 华能兰州西固热电有限公司 | System and method for filtering ferromagnetic particles in gradient magnetic field electric oil |
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