CN112326167A - Screening dynamics real-time detection analytic system of screening machine - Google Patents
Screening dynamics real-time detection analytic system of screening machine Download PDFInfo
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- CN112326167A CN112326167A CN202011137509.2A CN202011137509A CN112326167A CN 112326167 A CN112326167 A CN 112326167A CN 202011137509 A CN202011137509 A CN 202011137509A CN 112326167 A CN112326167 A CN 112326167A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/084—Testing filters
Abstract
The invention discloses a screening force real-time detection and analysis system of a screening machine, which comprises a vibration measurement sensor, a measurement circuit, a vibration analyzer and a display recorder, wherein the vibration measurement sensor is fixed on a support of the screening machine, a contact rod on the vibration measurement sensor is consistent with the vibration direction of a tested screen and is contacted with the surface of the tested screen by virtue of the elastic force of a spring, and when the tested screen vibrates, the contact rod moves along with the tested screen. The connecting wire of the vibration measuring sensor is connected into the measuring circuit, the lead-out wire of the measuring circuit is connected onto the vibration analyzer, and the lead-out wire of the vibration analyzer is connected into the display recorder. The invention has the advantages that the screening strength detection device is added, the screening strength is detected in real time, and the screening strength can be adjusted in time according to the condition of the screened materials.
Description
Technical Field
The invention relates to the technical field of screening force detection of screening machines, in particular to a real-time screening force detection and analysis system of a screening machine.
Background
The process of dividing the material to be crushed into different size fractions by one or more layers of screening surface is called screening. The sieving machine is a vibrating sieving mechanical device which utilizes the relative movement of bulk materials and a sieve surface to lead partial particles to penetrate through sieve pores and divide materials such as sand, gravel, broken stone and the like into different grades according to the particle size. The screening process of the screening machine is generally continuous, and after the screened raw materials are fed to the screening machine, the materials smaller than the size of the screen holes penetrate the screen holes and are called undersize products; material larger than the mesh size is continuously discharged from the screening surface and is referred to as oversize product.
The particle grade of the screening is determined by the screen surface, which is divided into three types of grate, plate screen and mesh screen. The grate is suitable for screening large-particle materials, and gaps of the grate are 1.1-1.2 times of the particle size of undersize materials and are generally not suitable to be smaller than 50 mm. The plate screen is formed by punching a steel plate, holes are circular, square or rectangular, the aperture is generally 10-80 mm, the service life is long, the plate screen is not easy to block, and the plate screen is suitable for screening medium particles. The mesh screen is woven or welded by the steel wire, and the hole is square, rectangle or rectangular shape, and the aperture is generally 6 ~ 85 millimeters commonly used, and rectangular shape sieve mesh is suitable for screening moist material, and the advantage of mesh screen is that effective area is great.
The screening machine utilizes the difference of the sizes and the qualities of materials, and the difference of the liquid sedimentation speeds, tiny materials and larger materials sink to the bottom of the tank.
The screening dynamics of screen cloth does not have corresponding detection device on general screening machine, to the material of screening, can not real-time detection screening dynamics just can not be timely adjust according to the condition of material.
Disclosure of Invention
The invention aims to provide a screening force real-time detection and analysis system of a screening machine, which has the advantages of adding a screening force detection device, detecting the screening force in real time and adjusting the screening force in time according to the condition of the screened material, and solves the problem that the screening force of a screen on the screening machine cannot be adjusted in time according to the condition of the material because the screening force cannot be detected in real time and the screened material does not have a corresponding detection device.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a screening dynamics real-time detection analytic system of screening machine, includes vibration measuring sensor, measuring circuit, vibration analysis appearance and shows and record the appearance, and the sensor that shakes is fixed on the support that the screening machine is motionless, during the connecting wire of vibration measuring sensor inserts measuring circuit, by on measuring circuit derivation line inserts vibration analysis appearance, again by vibration analysis appearance derivation line access display record appearance.
As a further scheme of the invention, the feeler lever on the vibration sensor is consistent with the vibration direction of the screen to be measured and is contacted with the surface of the screen to be measured by the elastic force of the spring, and when the screen to be measured vibrates, the feeler lever moves along with the screen to be measured.
As a further scheme of the invention, the measuring circuit, the vibration analyzer and the display recorder form a force detection system together, and the vibration measuring sensor is used as real-time detection equipment.
The utility model provides a screening dynamics real-time detection analytic system of screening machine, the detection step is as follows:
s1, the vibration measurement sensor adopts a piezoelectric acceleration sensor, the vibration measurement sensor is fixed on a fixed support of the sieving machine, a feeler lever on the vibration measurement sensor is consistent with the vibration direction of the tested screen, and is contacted with the surface of the tested screen by the aid of the elastic force of a spring;
s2, the measuring circuit is used as a carrier through an integrated circuit board, the whole measuring circuit is installed in a junction box, the junction box is fixed on the screening machine, and the access end of the measuring circuit is connected with a vibration measuring sensor through a wire;
s3, a vibration analyzer and a display recorder are installed in a monitoring room, the access end of the vibration analyzer is electrically connected with the lead-out end of the measuring circuit through an electric wire, the lead-out end of the vibration analyzer is electrically connected with the access end of the display recorder through an electric wire, and the vibration analyzer and the display recorder are respectively connected with a power supply;
s4, electrifying to test after the circuit is connected, providing excitation for the equipment, providing transient excitation signals, and putting the detection system into use after the detection system is normal;
s5, the sieving machine works, the sieving net does mechanical vibration, the mass block in the vibration measuring sensor generates displacement relative to the shell, the elastic force generated by the displacement is added on the piezoelectric element, charges with opposite polarities are generated on the two end faces of the piezoelectric element, and the vibration measuring sensor transmits charge signals to the vibration analyzer through the measuring circuit;
s6, the vibration analyzer receives the real-time signal transmitted by the vibration measuring sensor, analyzes and processes the real-time signal, and the processing module arranged in the vibration analyzer converts the charge signal into a digital signal and analyzes and processes the digital new signal;
and S7, transmitting the digital signal processed by the vibration analyzer to a display recorder, receiving and processing the digital signal by the display recorder, displaying the processed digital signal on a display screen of the display recorder in a digital form for observation, and displaying the screening strength of the screening machine in real time.
Compared with the prior art, the invention has the following beneficial effects: the screen is subjected to mechanical vibration, a mass block in the vibration measurement sensor generates displacement relative to the shell, elastic force generated by the displacement is applied to the piezoelectric element, charges with opposite polarities are generated on two end faces of the piezoelectric element, and a charge signal is transmitted to the vibration analyzer by the vibration measurement sensor through the measurement circuit; the vibration analyzer receives a real-time signal transmitted by the vibration measuring sensor, analyzes and processes the real-time signal, and a processing module arranged in the vibration analyzer converts a charge signal into a digital signal and analyzes and processes a digital new signal; the digital signal processed by the vibration analyzer is transmitted to the display recorder, the display recorder receives and processes the digital signal, and the processed digital signal is displayed in a digital form on a display screen of the display recorder for observation. The real-time detection screening dynamics can in time adjust the screening dynamics according to the material condition of screening, makes things convenient for the staff to detect the screening dynamics of screening machine in real time.
Drawings
FIG. 1 is a schematic view of the detection process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, an embodiment of the present invention: the utility model provides a screening dynamics real-time detection analytic system of screening machine, includes vibration measuring sensor, measuring circuit, vibration analysis appearance and demonstration record appearance, and the sensor that shakes is fixed on the support that the screening machine is motionless, and the feeler lever on the sensor that shakes is unanimous with the vibration direction of being surveyed the screen cloth to with the help of the elastic force of spring and being surveyed screen cloth surface contact, when being surveyed the screen cloth vibration, the feeler lever moves along with being surveyed the screen cloth. The connecting wire of the vibration measuring sensor is connected into the measuring circuit, the lead-out wire of the measuring circuit is connected onto the vibration analyzer, and the lead-out wire of the vibration analyzer is connected into the display recorder. The measuring circuit, the vibration analyzer and the display recorder form a force detection system together, and the vibration measuring sensor is used as real-time detection equipment.
Example 2
The embodiment provided by the invention comprises the following steps: the utility model provides a screening dynamics real-time detection analytic system of screening machine, piezoelectric type acceleration sensor: the mass in the sensor generates displacement relative to the shell, and the first conversion is that: input acceleration-relative displacement; the elastic force generated by the displacement is applied to the piezoelectric element, and charges with opposite polarities are generated on two end faces of the piezoelectric element, so that the piezoelectric element is converted for the second time: relative displacement-charge.
The sensor is calibrated by adopting a relative method: the bolt mounting method is characterized in that a drill hole thread is used for connecting the piezoelectric acceleration sensor and the equipment, the sensors are connected together through the bolt during testing and debugging, a tested screen is arranged in the middle, and the output of the two sensors and the sensitivity of the two sensors at the frequency point are compared.
Calibration is performed on a vibration-isolated base, measuring the absolute vibration of the base of the vibrating table, while measuring the relative vibration of the table face to the base.
Example 3
The embodiment provided by the invention comprises the following steps: the utility model provides a screening dynamics real-time detection analytic system of screening machine, the installation flow:
s1, the vibration measurement sensor adopts a piezoelectric acceleration sensor, the vibration measurement sensor is fixed on a fixed support of the sieving machine, a feeler lever on the vibration measurement sensor is consistent with the vibration direction of the tested screen, and is contacted with the surface of the tested screen by the aid of the elastic force of a spring;
s2, the measuring circuit is used as a carrier through an integrated circuit board, the whole measuring circuit is installed in a junction box, the junction box is fixed on the screening machine, and the access end of the measuring circuit is connected with a vibration measuring sensor through a wire;
s3, a vibration analyzer and a display recorder are installed in a monitoring room, the access end of the vibration analyzer is electrically connected with the lead-out end of the measuring circuit through an electric wire, the lead-out end of the vibration analyzer is electrically connected with the access end of the display recorder through an electric wire, and the vibration analyzer and the display recorder are respectively connected with a power supply;
and S4, electrifying to test after the circuit is connected, and providing excitation for the equipment through an electrodynamic vibration exciter to provide a transient excitation signal. The coil in the electrodynamic vibration exciter passes through the alternating current, and the coil will receive the effect of the electric power that is directly proportional with the electric current, and this power is put into after the detecting system is normal and is used on transmitting to the screen cloth that is surveyed through the ejector pin.
Example 4
The embodiment provided by the invention comprises the following steps: the utility model provides a screening dynamics real-time detection analytic system of screening machine, the analysis flow:
s1, the sieving machine works, the sieving net does mechanical vibration, the mass block in the vibration measuring sensor generates displacement relative to the shell, the elastic force generated by the displacement is added on the piezoelectric element, charges with opposite polarities are generated on the two end faces of the piezoelectric element, and the vibration measuring sensor transmits charge signals to the vibration analyzer through the measuring circuit;
s2, the vibration analyzer receives the real-time signal transmitted by the vibration measuring sensor, analyzes and processes the real-time signal, and the processing module arranged in the vibration analyzer converts the charge signal into a digital signal and analyzes and processes the digital new signal;
and S3, transmitting the digital signal processed by the vibration analyzer to a display recorder, receiving and processing the digital signal by the display recorder, displaying the processed digital signal on a display screen of the display recorder in a digital form for observation, and displaying the screening strength of the screening machine in real time.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a screening dynamics real-time detection analytic system of screening machine, includes vibration measurement sensor, measuring circuit, vibration analysis appearance and shows and record the appearance, its characterized in that: the vibration measuring sensor is fixed on a support of the sieving machine, a connecting wire of the vibration measuring sensor is connected into the measuring circuit, a lead-out wire of the measuring circuit is connected onto the vibration analyzer, and a lead-out wire of the vibration analyzer is connected into the display recorder.
2. The screening force real-time detection and analysis system of the screening machine according to claim 1, characterized in that: the feeler lever on the vibration measuring sensor is consistent with the vibration direction of the tested screen and is contacted with the surface of the tested screen by the elastic force of the spring, and when the tested screen vibrates, the feeler lever moves along with the tested screen.
3. The screening force real-time detection and analysis system of the screening machine according to claim 1, characterized in that: the measuring circuit, the vibration analyzer and the display recorder form a force detection system together, and the vibration measuring sensor is used as real-time detection equipment.
4. The screening force real-time detection and analysis system of the screening machine according to claim 1, characterized in that: the detection steps are as follows:
s1, the vibration measurement sensor adopts a piezoelectric acceleration sensor, the vibration measurement sensor is fixed on a fixed support of the sieving machine, a feeler lever on the vibration measurement sensor is consistent with the vibration direction of the tested screen, and is contacted with the surface of the tested screen by the aid of the elastic force of a spring;
s2, the measuring circuit is used as a carrier through an integrated circuit board, the whole measuring circuit is installed in a junction box, the junction box is fixed on the screening machine, and the access end of the measuring circuit is connected with a vibration measuring sensor through a wire;
s3, a vibration analyzer and a display recorder are installed in a monitoring room, the access end of the vibration analyzer is electrically connected with the lead-out end of the measuring circuit through an electric wire, the lead-out end of the vibration analyzer is electrically connected with the access end of the display recorder through an electric wire, and the vibration analyzer and the display recorder are respectively connected with a power supply;
s4, electrifying to test after the circuit is connected, providing excitation for the equipment, providing transient excitation signals, and putting the detection system into use after the detection system is normal;
s5, the sieving machine works, the sieving net does mechanical vibration, the mass block in the vibration measuring sensor generates displacement relative to the shell, the elastic force generated by the displacement is added on the piezoelectric element, charges with opposite polarities are generated on the two end faces of the piezoelectric element, and the vibration measuring sensor transmits charge signals to the vibration analyzer through the measuring circuit;
s6, the vibration analyzer receives the real-time signal transmitted by the vibration measuring sensor, analyzes and processes the real-time signal, and the processing module arranged in the vibration analyzer converts the charge signal into a digital signal and analyzes and processes the digital new signal;
and S7, transmitting the digital signal processed by the vibration analyzer to a display recorder, receiving and processing the digital signal by the display recorder, displaying the processed digital signal on a display screen of the display recorder in a digital form for observation, and displaying the screening strength of the screening machine in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011137509.2A CN112326167A (en) | 2020-10-22 | 2020-10-22 | Screening dynamics real-time detection analytic system of screening machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011137509.2A CN112326167A (en) | 2020-10-22 | 2020-10-22 | Screening dynamics real-time detection analytic system of screening machine |
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| CN112326167A true CN112326167A (en) | 2021-02-05 |
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| CN202011137509.2A Pending CN112326167A (en) | 2020-10-22 | 2020-10-22 | Screening dynamics real-time detection analytic system of screening machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005092522A1 (en) * | 2004-03-26 | 2005-10-06 | Ammann Aufbereitung Ag | Vibrating sieve machine and method for operation of a vibrating sieve machine |
| CN204892348U (en) * | 2015-07-12 | 2015-12-23 | 鞍山市永恒特种耐火材料制造有限公司 | Automatic control system of formula vibration screening machine is prevented blockking up in compound vibration frequently |
| CN107282429A (en) * | 2017-07-29 | 2017-10-24 | 扬州市大悦信息科技有限公司 | A kind of efficient shelled peanut screening machine |
| CN108636780A (en) * | 2018-07-26 | 2018-10-12 | 成都巴莫科技有限责任公司 | A kind of intelligence vibrating sieving machine |
| WO2020109097A1 (en) * | 2018-11-29 | 2020-06-04 | Allgaier Werke Gmbh | System and method for monitoring a screening machine |
-
2020
- 2020-10-22 CN CN202011137509.2A patent/CN112326167A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005092522A1 (en) * | 2004-03-26 | 2005-10-06 | Ammann Aufbereitung Ag | Vibrating sieve machine and method for operation of a vibrating sieve machine |
| CN1925929A (en) * | 2004-03-26 | 2007-03-07 | 安曼瑞士股份公司 | Oscillation sieving machine and operation method thereof |
| CN204892348U (en) * | 2015-07-12 | 2015-12-23 | 鞍山市永恒特种耐火材料制造有限公司 | Automatic control system of formula vibration screening machine is prevented blockking up in compound vibration frequently |
| CN107282429A (en) * | 2017-07-29 | 2017-10-24 | 扬州市大悦信息科技有限公司 | A kind of efficient shelled peanut screening machine |
| CN108636780A (en) * | 2018-07-26 | 2018-10-12 | 成都巴莫科技有限责任公司 | A kind of intelligence vibrating sieving machine |
| WO2020109097A1 (en) * | 2018-11-29 | 2020-06-04 | Allgaier Werke Gmbh | System and method for monitoring a screening machine |
Non-Patent Citations (1)
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