CN220452387U - Hydraulic machine fault monitoring device - Google Patents
Hydraulic machine fault monitoring device Download PDFInfo
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- CN220452387U CN220452387U CN202321395282.0U CN202321395282U CN220452387U CN 220452387 U CN220452387 U CN 220452387U CN 202321395282 U CN202321395282 U CN 202321395282U CN 220452387 U CN220452387 U CN 220452387U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 64
- 230000006698 induction Effects 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 abstract description 17
- 239000003921 oil Substances 0.000 abstract description 8
- 239000002923 metal particle Substances 0.000 description 11
- 230000004907 flux Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of hydraulic presses, and discloses a hydraulic press fault monitoring device which comprises a monitoring shell, wherein a controller is arranged on one side of the top of the monitoring shell, a filter screen is arranged on one side, far away from the controller, of the monitoring shell, a high magnetic guide ring is arranged in the middle of the monitoring shell, three coils are arranged in the high magnetic guide ring, a shielding shell is sleeved outside the high magnetic guide ring, an electromagnetic sensor is arranged in the middle of the monitoring shell, and a plurality of viscosity monitoring components are arranged on the outer side of a filter cavity in an equidistant circumferential array at one end, far away from the controller; the device is arranged between the oil tank and the oil pump, and achieves the purpose of automatically monitoring faults of the hydraulic machine by monitoring the quality of hydraulic oil.
Description
Technical Field
The utility model belongs to the technical field of hydraulic presses, and particularly relates to a hydraulic press fault monitoring device.
Background
Hydraulic presses are machines made according to pascal principle for transferring energy to realize various processes, with liquids as working medium. The hydraulic machine generally comprises a main machine, a power system and a hydraulic control system. The hydraulic machines are classified into valve hydraulic machines, liquid hydraulic machines and engineering hydraulic machines. It is commonly used in press processes and press forming processes, such as: forging, stamping, cold extrusion, straightening, bending, flanging, sheet drawing, powder metallurgy, press fitting, and the like. The service life of the hydraulic press is directly related to the hydraulic oil, and the hydraulic oil is mainly characterized in that the pH value, viscosity, metal particle content and the like of the hydraulic oil are achieved. If the faults of the hydraulic machine are required to be monitored, the state of the hydraulic oil is only required to be monitored. However, the conventional hydraulic machine does not have a fault monitoring function, so that it is highly demanded to invent a device for monitoring the fault of the hydraulic machine by monitoring the state of hydraulic oil.
Disclosure of Invention
In order to solve the technical problem that the traditional hydraulic machine does not have a fault monitoring function, the utility model provides the following technical scheme:
the utility model relates to a hydraulic machine fault monitoring device which comprises a monitoring shell, wherein a controller is arranged on one side of the top of the monitoring shell, a filter screen is arranged on one side, far away from the controller, of the monitoring shell, a high magnetic guide ring is arranged in the middle of the monitoring shell, three coils are arranged in the high magnetic guide ring, a shielding shell is sleeved outside the high magnetic guide ring, an electromagnetic sensor is arranged in the middle of the monitoring shell, a filter cavity is arranged on one side, far away from the controller, of the monitoring shell, and a plurality of viscosity monitoring components are arranged on the outer side of the filter cavity, far away from the controller, in an equidistant circumferential array.
As a preferable technical scheme of the utility model, the monitoring shell is a ceramic shell, one end of the monitoring shell is provided with an oil inlet, and the other end of the monitoring shell is provided with an oil outlet.
As a preferable technical scheme of the utility model, the PH monitor is arranged in the controller, the PH monitor end is provided with the PH monitor rod, and the PH monitor rod extends into the monitor shell.
As a preferable technical scheme of the utility model, the coil in the middle of the three coils is an induction coil, the other two coils are excitation coils and are connected in parallel, and the magnetic fields generated by the two coils on the outer sides have the same intensity and opposite directions.
As a preferable technical scheme of the utility model, the viscosity monitoring assembly comprises a sleeve and a telescopic rod, wherein the sleeve is fixedly arranged at the outer end of a filter cavity, one end of the telescopic rod is fixedly and integrally provided with a mounting sheet and is fixedly arranged on the filter screen through the mounting sheet, the other end of the telescopic rod penetrates through a monitoring shell and is movably inserted into the sleeve, one end of the telescopic rod positioned in the sleeve is fixedly connected with a limiting sheet, a pressure sensor is fixedly arranged in the sleeve, and a spring is fixedly connected between the limiting sheet and the pressure sensor.
The beneficial effects achieved by the utility model are as follows:
the PH monitoring rod can detect the PH value of the hydraulic oil passing through the shell in real time; when no metal particles pass through the monitoring shell, the two magnetic fields cancel each other at the midpoint, the magnetic flux of the induction coil changes to zero, no induced electromotive force is output, when the metal particles enter the sensor, the magnetic field intensity of one exciting coil is changed, so that the magnetic fields of the two coils at the outer side are unbalanced, the magnetic flux at the midpoint is not zero, the induction coil outputs the induced electromotive force, and the magnitude of the electromotive force is increased along with the increase of the diameter of the metal particles, so that the aim of monitoring the quantity of the metal particles in the hydraulic oil is fulfilled; when hydraulic oil passes through the monitoring shell, the self viscosity is utilized to push the filter screen, the filter screen moves to drive the telescopic rod to shrink in the sleeve and press the pressure sensor through the spring, and the viscosity of the hydraulic oil is judged by reading data of the pressure sensor; the hydraulic machine fault monitoring device has the advantages that the purpose of monitoring the hydraulic machine fault is achieved by monitoring the viscosity, the PH value and the metal particle content of the hydraulic oil, and the hydraulic machine fault monitoring device is more efficient and accurate.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a hydraulic machine fault monitoring device according to the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a hydraulic machine fault monitoring device according to the present utility model;
fig. 3 is a schematic structural view of a viscosity monitoring assembly in a hydraulic machine fault monitoring device according to the present utility model.
In the figure: 1. monitoring the housing; 101. an oil inlet; 102. an oil outlet; 103. a controller; 104. a PH monitoring bar; 105. a filter chamber; 106. a filter screen; 107. a high magnetic guide ring; 108. a coil; 109. a shielding housing; 110. an electromagnetic sensor; 2. a viscosity monitoring assembly; 201. a sleeve; 202. a telescopic rod; 203. a mounting piece; 204. a limiting piece; 205. a pressure sensor; 206. and (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: as shown in fig. 1-3, a hydraulic machine fault monitoring device comprises a monitoring shell 1, a controller 103 is arranged on one side of the top of the monitoring shell 1, a PH monitor is arranged in the controller 103, a PH monitoring rod 104 is arranged at the monitoring end of the PH monitor, the PH monitoring rod 104 extends into the monitoring shell 1, the PH monitoring rod 104 can detect the pH value of hydraulic oil passing through the shell in real time and transmit data to the controller 103 through the PH monitor, a filter cavity 105 is arranged on one side of the monitoring shell 1 far away from the controller 103, a filter screen 106 is arranged in the filter cavity 105, a high magnetic guide ring 107 is arranged in the middle of the monitoring shell 1, three coils 108 are arranged in the high magnetic guide ring 107 and a shielding shell 109 is sleeved outside the high magnetic guide ring 107, an electromagnetic sensor 110 is arranged in the middle of the monitoring shell 1, wherein the two coils 108 on the outer side are connected with the same sine excitation current, because the magnetic fields generated by the two exciting coils are equal in size and opposite in direction, when no metal particles pass through the monitoring shell 1, the two magnetic fields are mutually offset at the middle point, the magnetic flux of the induction coils changes to zero, no induced electromotive force is output, when the metal particles enter the sensor, the magnetic field intensity of one exciting coil is changed, so that the magnetic fields of the two coils 108 at the outer side are unbalanced, the magnetic flux at the middle point is not zero, the induced electromotive force is output by the induction coils, the electromotive force increases along with the increase of the diameter of the metal particles, the purpose of monitoring the number of the metal particles in hydraulic oil is achieved, a plurality of viscosity monitoring assemblies 2 are arranged on the outer side of the filter cavity 105 at an equidistant circumferential array away from one end of the controller 103, the viscosity monitoring assemblies 2 comprise a sleeve 201 and a telescopic rod 202, the sleeve 201 is fixedly arranged at the outer end of the filter cavity 105, one end of the telescopic rod 202 is fixedly integrally provided with a mounting plate 203 and is fixedly mounted on the filter screen 106 through the mounting plate 203, the other end of the telescopic rod 202 penetrates through the monitoring shell 1 and is movably inserted into the sleeve 201, one end of the telescopic rod 202 positioned in the sleeve 201 is fixedly connected with a limiting plate 204, a pressure sensor 205 is fixedly mounted in the sleeve 201, a spring 206 is fixedly connected between the limiting plate 204 and the pressure sensor 205, when hydraulic oil passes through the monitoring shell 1, the filter screen 106 is pushed by using the viscosity of the hydraulic oil, the filter screen 106 moves to drive the telescopic rod 202 to shrink in the sleeve 201 and compress the pressure sensor 205 through the spring 206, and the viscosity of the hydraulic oil is judged by reading data of the pressure sensor 205;
the monitoring shell 1 is a ceramic shell, one end of the monitoring shell 1 is provided with an oil inlet 101, the other end of the monitoring shell is provided with an oil outlet 102, and the ceramic shell can prevent the disturbance of an internal magnetic field; the coil 108 in the middle of the three coils 108 is an induction coil, the other two coils 108 are excitation coils and are connected in parallel, and the magnetic field intensities generated by the two coils 108 on the outer side are the same and opposite in direction, wherein the purpose of monitoring the faults of the hydraulic machine is achieved by monitoring the viscosity, the PH value and the metal particle content of hydraulic oil, the hydraulic machine is more efficient and accurate, and an alarm signal can be timely transmitted to a control terminal to remind when the faults occur.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a hydraulic press fault monitoring device, includes monitoring casing (1), its characterized in that: monitor casing (1) top one side is equipped with controller (103), keep away from controller (103) one side in monitor casing (1) and be equipped with filter screen (106), monitor casing (1) middle part is equipped with high magnetic guide ring (107), be equipped with three coil (108) and outside cover in high magnetic guide ring (107) and be equipped with shield shell (109), mid-mounting has electromagnetic sensor (110) in monitor casing (1), keep away from controller 103 one side in monitor casing (1) and seted up filter chamber (105) and filter chamber (105) outside keep away from controller (103) one end equidistance circumference array and be equipped with a plurality of viscosity monitoring components (2).
2. The hydraulic machine fault monitoring device of claim 1, wherein: the monitoring shell (1) is a ceramic shell, an oil inlet (101) is formed in one end of the monitoring shell (1), and an oil outlet (102) is formed in the other end of the monitoring shell.
3. The hydraulic machine fault monitoring device of claim 1, wherein: the PH monitor is arranged in the controller (103), a PH monitor rod (104) is arranged at the monitoring end of the PH monitor, and the PH monitor rod extends into the monitoring shell (1).
4. The hydraulic machine fault monitoring device of claim 1, wherein: the coils in the middle of the three coils (108) are induction coils, the other two coils (108) are excitation coils and are connected in parallel, and the magnetic fields generated by the two coils on the outer sides have the same intensity and opposite directions.
5. The hydraulic machine fault monitoring device of claim 1, wherein: viscosity monitoring subassembly (2) are including sleeve (201) and telescopic link (202), sleeve (201) fixed mounting is in filter chamber (105) outer end, fixed integrated into one piece of telescopic link (202) one end has mounting plate (203) and through mounting plate (203) fixed mounting on filter screen (106), the telescopic link (202) other end runs through monitoring casing (1) and the activity inserts in sleeve (201), telescopic link (202) are located sleeve (201) one end fixedly connected with spacing piece (204), fixed mounting has pressure sensor (205) in sleeve (201), fixedly connected with spring (206) between spacing piece (204) and pressure sensor (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321395282.0U CN220452387U (en) | 2023-06-02 | 2023-06-02 | Hydraulic machine fault monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321395282.0U CN220452387U (en) | 2023-06-02 | 2023-06-02 | Hydraulic machine fault monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452387U true CN220452387U (en) | 2024-02-06 |
Family
ID=89730885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321395282.0U Active CN220452387U (en) | 2023-06-02 | 2023-06-02 | Hydraulic machine fault monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452387U (en) |
-
2023
- 2023-06-02 CN CN202321395282.0U patent/CN220452387U/en active Active
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