Belt type filter cloth detecting and correcting device

Abstract

The utility model discloses a belt type filter cloth detecting and deviation rectifying device which comprises a main wind-up roller and a tensioning roller, filter cloth is arranged between the main wind-up roller and the tensioning roller in a transmission mode, machine frames are installed on the two sides of the tensioning roller, detecting mechanisms and deviation rectifying mechanisms are installed on the two sets of machine frames, and a PLC is further installed on the machine frames. And the detection mechanism and the deviation rectifying mechanism are connected with the PLC. The filter cloth deviation rectifying device has the advantages that the hydraulic cylinder is arranged to drive the moving plate to enable the deviation rectifying roller to perform pulling deviation rectifying on the filter cloth, and due to the fact that the deviation rectifying roller is rotationally connected with the moving end, it is guaranteed that the filter cloth can still be normally transmitted under the acting force of the main winding roller and the tensioning roller, the filter cloth is prevented from being locked in the deviation rectifying process of the filter cloth, and the deviation rectifying efficiency is improved. The mud-water separation effect of the equipment is effectively ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of belt filter cloth rectification, especially to a belt filter cloth detection rectification device. BACKGROUND

[0002] The vertical sludge deep pressure filtration dewatering equipment is a mechanical dewatering equipment gradually rising in recent years, which has the characteristics of simple system, large size, low operation cost, high-pressure mechanical vertical extrusion sludge and the like, and under the conditions of proper selection and use of equipment reagent and accurate control, the average sludge moisture content can reach 50%-55% when the sludge moisture content is about 80%, the belt filter cloth is used to concentrate and dewater the slurry on the single-layer filter cloth, and then the slurry is dewatered by extrusion between the two layers of filter cloth, so as to realize the separation of slurry and water.

[0003] Since the belt filter cloth is long and continuously subjected to the pressure of slurry, the local filter cloth is loose or deviated, so the filter cloth needs to be rectified in time, and the existing filter cloth rectification method is to rectify by axial movement of the tightening roller, but this method can cause the filter cloth in the trailing part to be easily wrinkled, thereby affecting the separation effect of slurry on the filter cloth. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the shortcomings of the existing filter cloth rectification method, which is to rectify by axial movement of the tightening roller, but this method can cause the filter cloth in the trailing part to be easily wrinkled, thereby affecting the separation effect of slurry on the filter cloth, and provides a belt filter cloth detection rectification device.

[0005] The utility model discloses a kind of belt filter cloth detection rectification devices, including main winding roller and tensioning roller, transmission is provided with filter cloth between main winding roller and tensioning roller, two sides of tensioning roller are installed with rack, detection mechanism and rectification mechanism are installed on two groups of racks, PLC controller is also installed on rack, detection mechanism and rectification mechanism are connected with PLC controller;

[0006] Detection mechanism includes mounting plate installed on rack, two groups of infrared sensors are installed on mounting plate, two groups of infrared sensors are located at the two sides of the side edge of filter cloth respectively;

[0007] Rectification mechanism includes hydraulic cylinder installed on rack, telescopic end of hydraulic cylinder is installed with moving plate, two groups of second electric sliding platforms are installed on the side of moving plate close to filter cloth, the movable end of two groups of second electric sliding platforms is installed with rotatable rectification roller, two groups of rectification rollers are located above and below filter cloth respectively.

[0008] The two groups of infrared sensors are arranged to detect the side of the filter cloth, and when the infrared sensors detect that the side of the filter cloth exceeds the range between the two groups of infrared sensors, the infrared sensors send a signal to the PLC controller, and the PLC controller controls the hydraulic cylinder to drive the two groups of deviation correction rollers to move to the upper and lower sides of the filter cloth respectively, the second electric sliding table drives the two groups of deviation correction rollers to move towards each other to tension the filter cloth, and then the hydraulic cylinder drives the moving plate to timely pull and correct the filter cloth by the deviation correction rollers, since the deviation correction rollers are rotationally connected with the moving end of the second electric sliding table, the filter cloth can still be driven under the normal force of the main winding roller and the tensioning roller, the filter cloth is prevented from being locked during the deviation correction process, and the mud-water separation effect of the equipment is effectively ensured.

[0009] Further, the two groups of deviation correction rollers are staggered, so that the filter cloth can be driven by the main winding roller and the tensioning roller, and normal horizontal driving is achieved.

[0010] Further, the deviation correction rollers are provided with anti-skid lines, so that the longitudinal friction of the deviation correction rollers is improved, and the filter cloth is effectively moved and corrected after being tensioned.

[0011] Further, the first electric sliding table is arranged on the mounting plate, and the two groups of infrared sensors are arranged on the moving end of the first electric sliding table, so that the distance between the two groups of infrared sensors can be adjusted, the detection and correction distance of the filter cloth can be adjusted, and adjustable control of the equipment is achieved.

[0012] Further, the two sides of the main winding roller are provided with limiting plates corresponding to the filter cloth, so that the filter cloth on the main winding roller is limited, the deviation of the filter cloth on the main winding roller is reduced, and subsequent correction operation is facilitated.

[0013] The utility model has the advantages that the utility model drives the moving plate by the hydraulic cylinder to timely pull and correct the filter cloth by the deviation correction rollers, the filter cloth can still be driven under the force of the main winding roller and the tensioning roller, the filter cloth is prevented from being locked during the deviation correction process, the mud-water separation effect of the equipment is effectively ensured, the two groups of deviation correction rollers are staggered, so that the filter cloth can be driven by the main winding roller and the tensioning roller, and normal horizontal driving is achieved, the anti-skid lines can improve the longitudinal friction of the deviation correction rollers, and the filter cloth is effectively moved and corrected after being tensioned. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic view of the overall structure of the utility model;

[0015] Figure 2It is a partial side view schematic diagram of the utility model;

[0016] Figure 3 It is a detection mechanism structure schematic diagram of the utility model;

[0017] Figure 4 It is a deviation rectifying mechanism structure schematic diagram of the utility model;

[0018] Figure 5 It is a deviation rectifying roller structure schematic diagram of the utility model;

[0019] Figure 6 It is a partial schematic diagram of the utility model's overhead structure;

[0020] In the figure, 1, main winding roller;2, tensioning roller;3, filter cloth;4, rack;5, detection mechanism;501, mounting plate;502, infrared inductor;503, first electric sliding table;6, PLC controller;7, deviation rectifying mechanism;701, hydraulic cylinder;702, moving plate;703, second electric sliding table;704, deviation rectifying roller;705, anti-skid pattern;8, limiting plate. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantage of the utility model embodiment clearer, the following will combine the drawings in the utility model embodiment to make a clear and complete description of the technical scheme in the utility model embodiment, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. The components of the utility model embodiment described and shown in the drawings here can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0023] It should be noted that the embodiments and features in the embodiments can be combined with each other without conflict.

[0024] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0025] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, or it is the orientation or position relation of the utility model product when using commonly, or it is the orientation or position relation that the person skilled in the art commonly understands, just is for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation configuration and operation, therefore can not be understood as the limitation of the utility model.In addition, the term "first", "second" and so on are only used for distinguishing description, and can not be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it also needs to explain that, unless otherwise explicitly specified and limited, the term "set", "installation", "connect", "connection" should be broad sense, for example, can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;It can be directly connected, or indirectly connected through intermediate medium, can be the communication inside two elements.For the person skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0027] As Figures 1-6 Indicated, a belt filter cloth detection deviation correcting device, including main winding roller 1 and tensioning roller 2, transmission is provided with filter cloth 3 between main winding roller 1 and tensioning roller 2, the both sides of tensioning roller 2 are installed with rack 4, two groups of rack 4 are installed with detection mechanism 5 and deviation correcting mechanism 7, rack 4 is also installed with PLC controller 6, detection mechanism 5 and deviation correcting mechanism 7 are connected with PLC controller 6;

[0028] Detection mechanism 5 includes mounting plate 501 installed on rack 4, two groups of infrared inductors 502 are installed on mounting plate 501, two groups of infrared inductors 502 are located at the both sides of filter cloth 3 side edge respectively;

[0029] Deviation correcting mechanism 7 includes hydraulic cylinder 701 installed on rack 4, the telescopic end of hydraulic cylinder 701 is installed with moving plate 702, two groups of second electric sliding platforms 703 are installed on the side of moving plate 702 close to filter cloth 3, the mobile end of two groups of second electric sliding platforms 703 is installed with rotatable deviation correcting roller 704, two groups of deviation correcting roller 704 are located above and below filter cloth 3 respectively.

[0030] The two groups of infrared sensors 502 can detect the side of the filter cloth 3. When the infrared sensors 502 detect that the side of the filter cloth 3 exceeds the range between the two groups of infrared sensors 502 on the mounting plate 501, the infrared sensors 502 send a signal to the PLC controller 6, and the PLC controller 6 controls the hydraulic cylinder 701 to drive the two groups of deviation correction rollers 704 to move to the upper and lower sides of the filter cloth 3, respectively, and the second electric sliding table 703 drives the two groups of deviation correction rollers 704 to move towards each other to tension the filter cloth 3. The deviation correction rollers 704 can be provided in multiple groups according to actual use requirements to ensure the tensioning degree of the filter cloth 3, and then the hydraulic cylinder 701 drives the moving plate 702 to timely pull and correct the filter cloth 3 by the deviation correction rollers 704. Since the deviation correction rollers 704 are rotationally connected to the moving end of the second electric sliding table 703, it is ensured that the filter cloth 3 can still be driven under the action of the main winding roller 1 and the tensioning roller 2, so that the filter cloth 3 is prevented from being locked during the deviation correction process, and the effect of separating mud and water by the equipment is effectively ensured.

[0031] The two groups of deviation correction rollers 704 are staggered, and the staggered arrangement of the two groups of deviation correction rollers 704 can ensure that the filter cloth 3 can be driven by the main winding roller 1 and the tensioning roller 2, and normally driven transversely to work.

[0032] The deviation correction roller 704 is provided with anti-skid lines 705 arranged along the transmission direction of the filter cloth 3. The anti-skid lines 705 can improve the longitudinal friction of the deviation correction roller 704, and ensure that the deviation correction roller 704 can effectively move and correct the filter cloth 3 after tensioning the filter cloth 3.

[0033] The first electric sliding table 503 is installed on the mounting plate 501, and the two groups of infrared sensors 502 are installed on the moving end of the first electric sliding table 503. The first electric sliding table 503 can adjust the distance between the two groups of infrared sensors 502, so as to adjust the detection and correction distance of the filter cloth 3, realize adjustable control of the equipment, and the two sides of the main winding roller 1 are provided with limiting plates 8 corresponding to the filter cloth 3. The limiting plates 8 limit the filter cloth 3 on the main winding roller 1, reduce the deviation of the filter cloth 3 on the main winding roller 1, and facilitate subsequent deviation correction operations.

[0034] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A belt filter cloth detection deviation rectifying device, comprising a main winding roller (1) and a tensioning roller (2), a filter cloth (3) is arranged in transmission between the main winding roller (1) and the tensioning roller (2), characterized in that: Two racks (4) are installed on both sides of the tension roller (2), two groups of detection mechanisms (5) and deviation rectifying mechanisms (7) are installed on the two groups of racks (4), a PLC controller (6) is installed on the rack (4), and the detection mechanism (5) and the deviation rectifying mechanism (7) are connected with the PLC controller (6); The detection mechanism (5) comprises a mounting plate (501) installed on the rack (4), two groups of infrared sensors (502) are installed on the mounting plate (501), and the two groups of infrared sensors (502) are located on both sides of the side edges of the filter cloth (3); The deviation rectifying mechanism (7) comprises a hydraulic cylinder (701) installed on the rack (4), a moving plate (702) is installed at the telescopic end of the hydraulic cylinder (701), two groups of second electric sliding tables (703) are installed on the side of the moving plate (702) close to the filter cloth (3), and rotatable deviation rectifying rollers (704) are installed at the moving ends of the two groups of second electric sliding tables (703), and the two groups of deviation rectifying rollers (704) are located above and below the filter cloth (3) respectively.

2. The belt filter cloth detection deviation rectifying device according to claim 1, characterized in that: The two groups of deviation rectifying rollers (704) are staggered.

3. The belt filter cloth detection deviation rectifying device according to claim 2, characterized in that: Anti-skid lines (705) are arranged on the deviation rectifying rollers (704).

4. The belt filter cloth detection deviation rectifying device according to claim 1, characterized in that: A first electric sliding table (503) is installed on the mounting plate (501), and the two groups of infrared sensors (502) are installed on the moving ends of the first electric sliding table (503).

5. The belt filter cloth detection deviation rectifying device according to claim 1, characterized in that: Limiting plates (8) corresponding to the filter cloth (3) are installed on both sides of the main winding roller (1).

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