CN217358826U - Pressure filter girder plate unbalance loading detection alarm device - Google Patents
Pressure filter girder plate unbalance loading detection alarm device Download PDFInfo
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- CN217358826U CN217358826U CN202221430285.9U CN202221430285U CN217358826U CN 217358826 U CN217358826 U CN 217358826U CN 202221430285 U CN202221430285 U CN 202221430285U CN 217358826 U CN217358826 U CN 217358826U
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- girder
- plate
- oil cylinder
- unbalance loading
- filter press
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Abstract
The utility model relates to a plate and frame filter press field, concretely relates to pressure filter girder plate unbalance loading detects alarm device. The oil cylinder comprises a thrust plate, an oil cylinder seat and a group of girder plates arranged on the left side and the right side of the thrust plate and the oil cylinder seat, and is characterized in that a plurality of slotted holes are formed in the front end and the rear end of each girder plate at equal intervals from top to bottom, flanges with the shapes and the sizes matched with those of the slotted holes are arranged on the left side and the right side of the thrust plate and the oil cylinder seat, and the flanges are inserted into the slotted holes; the hydraulic oil cylinder further comprises pressure sensors, wherein the pressure sensors are symmetrically arranged on the left side and the right side of the thrust plate and/or the oil cylinder base and are connected between the flange and the girder plate. The utility model aims to solve the technical problem that lack the device that detects and suggestion girder board appearance unbalance loading state to prior art provides a pressure filter girder board unbalance loading detection alarm device.
Description
Technical Field
The utility model relates to a plate and frame filter press field, concretely relates to pressure filter girder plate unbalance loading detects alarm device.
Background
The plate and frame filter press is a filter chamber formed by overlapping a plurality of filter plates and filter frames, the pressure is used as a machine for filtering driving force, and the enterprise carries out filter pressing in a common hydraulic pressing mode, wherein the hydraulic pressing is realized by using a hydraulic station to push a pressing plate to press the plate frame through an oil cylinder part on a frame. In the pressing process, the thrust plate bears the thrust of the oil cylinder, and the girder plate is connected between the thrust plate and the oil cylinder seat so as to bear certain tensile force. When the problems of material clamping at the bottom of the filter plate or deviation of the axis of the oil cylinder occur, the stress of the beam plate is unbalanced, namely, the unbalance loading occurs, so that the membrane combination of the filter plate is not tight, the material leakage and water explosion are caused, and the safety accident of the fracture of the beam plate is the risk which needs to be strictly avoided in the safety production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that lack the device that detects and suggestion girder board appearance unbalance loading state to prior art provides a pressure filter girder board unbalance loading detection alarm device.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a kind of filter press girder plate unbalance loading detection alarm device, including thrust plate, oil cylinder base and a series of girder plates set up in thrust plate and oil cylinder base left and right sides, characterized by that, the front and back both ends of the said girder plate are equipped with several slotted holes from top to bottom with equal interval, the said thrust plate and left and right sides of the oil cylinder base have shape and size and shape and size of the slotted hole matched flange, the flange is inserted and connected in the slotted hole; the hydraulic oil cylinder further comprises pressure sensors, wherein the pressure sensors are symmetrically arranged on the left side and the right side of the thrust plate and/or the oil cylinder seat and connected between the flange and the girder plate.
Preferably, the pressure sensor is fixedly connected to the outer walls of the two girder plates far away from each other in a transverse direction, the flanges on the left side and the right side are symmetrically provided with pressing parts on the outer walls far away from each other, and the pressing parts are abutted to the probes of the pressure sensor.
Preferably, the pressing portion is provided at an upper and lower symmetrical line of the flange.
Preferably, the pressure sensors are arranged on the left side and the right side of the thrust plate, and the pressure sensors are positioned at one end, away from the oil cylinder base, of the flange.
Preferably, the pressure sensors are arranged on the left side and the right side of the oil cylinder base, and the pressure sensors are positioned at one end, far away from the thrust plate, of the flange.
Preferably, the slotted holes are distributed on the girder plate in an up-down symmetrical manner along the axis of the oil cylinder of the filter press.
Preferably, the number of the slots is 4.
Preferably, the longitudinal section of the slot is rectangular.
Preferably, the pressure sensor is electrically connected to a controller.
Preferably, an alarm device is connected to the controller.
The utility model has the advantages that:
the utility model discloses a set up pressure sensor, when controlling between the girder plate that the atress is unbalanced or girder plate about both ends atress is unbalanced, the pressure value that detects of the pressure sensor of different positions is different, the controller carries out comparative analysis to the pressure value at different loci, when pressure value or pressure differential surpass and predetermine the alarm threshold value, realize the timely alarm to the unbalance loading state, in time stop the filter-pressing and close the membrane action and overhaul, not only avoid girder plate atress to appear tearing excessively, the fracture, the further running material that the membrane that closes that has avoided the unbalance loading to bring does not strictly cause explodes water, the security of improvement production process.
Drawings
Fig. 1 is a schematic structural view of a top view angle of the present invention;
fig. 2 is a schematic structural diagram of a side view of the present invention;
in the figure: 1. the hydraulic oil cylinder comprises a thrust plate, 10 flanges, 2 oil cylinder seats, 3 girder plates, 30 slotted holes, 4 pressure sensors and 5 pressing parts.
Detailed Description
The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1 and fig. 2, the alarm device for detecting the unbalance loading of the girder plate of the filter press according to the present embodiment includes a thrust plate 1, a cylinder base 2, a group of girder plates 3 disposed on the left and right sides of the thrust plate 1 and the cylinder base 2, and a pressure sensor 4.
The front end and the rear end of the girder plate 3 are provided with a plurality of slotted holes 30 at equal intervals from top to bottom, the left side and the right side of the thrust plate 1 and the oil cylinder seat 2 are provided with flanges 10 with the shapes and the sizes matched with those of the slotted holes 30, and the flanges 10 are inserted in the slotted holes 30; in this embodiment, the longitudinal section of the slot 30 is rectangular, and the corresponding flange 10 is a cuboid; the number of the slotted holes 30 is 4, and the slotted holes 30 are distributed on the girder plate 3 in an up-and-down symmetrical mode along the axis of the oil cylinder of the filter press, so that the slotted holes 30 are matched with the flanges 10 to bear the acting force from the oil cylinder in a balanced mode, of course, the slotted holes 30 can also be arranged in a long oval shape and the like, and the number of the slotted holes 30 can also be properly set according to actual conditions.
The pressure sensors 4 are symmetrically arranged on the left and right sides of the thrust plate 1 and/or the cylinder block 2, and the pressure sensors 4 are connected between the flange 10 and the girder plate 3.
Preferably, the pressure sensor 4 is fixedly connected to the outer walls of the two girder plates 3 away from each other with the force direction as the transverse direction, the flanges 10 on the left and right sides are symmetrically provided with the pressing parts 5 on the outer walls away from each other, and the pressing parts 5 abut against the probe of the pressure sensor 4.
Preferably, the pressing portion 5 is provided at the upper and lower symmetrical line of the flange 10.
When the pressure sensors 4 are arranged on the left side and the right side of the thrust plate 1, the pressure sensors 4 are positioned at one end of the flange 10 far away from the cylinder block 2; when the pressure sensors 4 are disposed on the left and right sides of the cylinder block 2, the pressure sensors 4 are located at an end of the flange 10 remote from the thrust plate 1.
The pressure sensor 4 is electrically connected to a controller, and an alarm device is connected to the controller. The controller is used for receiving the pressure signal of the pressure sensor 4, analyzing and processing the pressure signal, and controlling the alarm device to send out an alarm signal if the pressure value or the pressure difference exceeds a preset alarm threshold value.
When the filter press closes the membrane, namely when the oil cylinder pushes the filter plate to press the thrust plate 1, if the process is normally carried out, the stress of the girder plate 3 is balanced, the pressure values of all the sites detected by the pressure sensor 4 are relatively average, and the controller allows the process to be normally finished and the next process is carried out; when unbalance loading occurs, the stress of the left and right girder plates 3 is unbalanced or the stress of the upper and lower ends of the girder plates 3 is unbalanced, the pressure value detected by the pressure sensor 4 is overlarge or the pressure difference is overlarge, once the preset alarm threshold value of the controller is exceeded, the controller controls the alarm device to send out an alarm signal, and simultaneously controls the oil cylinder to stop acting, and the film combining operation is continued after the overhaul is carried out by an overhaul personnel.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. A filter press girder plate unbalance loading detection alarm device comprises a thrust plate (1), an oil cylinder seat (2) and a group of girder plates (3) arranged on the left side and the right side of the thrust plate (1) and the oil cylinder seat (2), and is characterized in that a plurality of slotted holes (30) are formed in the front end and the rear end of each girder plate (3) at equal intervals from top to bottom, flanges (10) with the shapes and the sizes matched with those of the slotted holes (30) are arranged on the left side and the right side of the thrust plate (1) and the oil cylinder seat (2), and the flanges (10) are inserted in the slotted holes (30); the hydraulic oil cylinder is characterized by further comprising pressure sensors (4), wherein the pressure sensors (4) are symmetrically arranged on the left side and the right side of the thrust plate (1) and/or the oil cylinder base (2) and connected between the flange (10) and the girder plate (3).
2. The device for detecting and alarming the unbalance loading of the girder plates of the filter press as claimed in claim 1, wherein the pressure sensor (4) is fixedly connected to the outer walls of the two girder plates (3) which are far away from each other with the stress direction as the transverse direction, the flanges (10) at the left and right sides are symmetrically provided with the pressing parts (5) on the outer walls which are far away from each other, and the pressing parts (5) are pressed against the probe of the pressure sensor (4).
3. The device for detecting and alarming the unbalance loading of the girder plate of the filter press as claimed in claim 2, wherein the pressing part (5) is arranged at the upper and lower symmetrical line of the flange (10).
4. The device for detecting and alarming the unbalance loading of the large beam plate of the filter press according to any one of the claims 1 to 3, wherein the pressure sensors (4) are arranged at the left side and the right side of the thrust plate (1), and the pressure sensors (4) are positioned at one end of the flange (10) far away from the oil cylinder seat (2).
5. The device for detecting and alarming the unbalance loading of the large beam plate of the filter press according to any one of the claims 1 to 3, wherein the pressure sensors (4) are arranged at the left side and the right side of the cylinder base (2), and the pressure sensors (4) are positioned at one end of the flange (10) far away from the thrust plate (1).
6. The device for detecting and alarming the unbalance loading of the girder plate of the filter press as claimed in any one of claims 1 to 3, wherein the slotted holes (30) are arranged on the girder plate (3) in an up-down symmetrical manner along the axial center of the oil cylinder of the filter press.
7. The device for detecting and alarming the unbalance loading of the girder plate of the filter press as claimed in claim 1, wherein the number of the slots (30) is 4.
8. The device for detecting and alarming the unbalance loading of the girder plate of the filter press as claimed in claim 1, wherein the longitudinal section of the slot hole (30) is rectangular.
9. The filter press girder unbalance loading detection alarm device according to claim 1, wherein the pressure sensor (4) is electrically connected to the controller.
10. The filter press girder unbalance loading detection alarm device according to claim 9, wherein an alarm device is connected to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221430285.9U CN217358826U (en) | 2022-06-09 | 2022-06-09 | Pressure filter girder plate unbalance loading detection alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221430285.9U CN217358826U (en) | 2022-06-09 | 2022-06-09 | Pressure filter girder plate unbalance loading detection alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217358826U true CN217358826U (en) | 2022-09-02 |
Family
ID=83017863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221430285.9U Active CN217358826U (en) | 2022-06-09 | 2022-06-09 | Pressure filter girder plate unbalance loading detection alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217358826U (en) |
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2022
- 2022-06-09 CN CN202221430285.9U patent/CN217358826U/en active Active
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