Steel wire rope strand breakage detection device for stacking machine

Abstract

The utility model relates to the technical field of automatic detection, in particular to a steel wire rope strand breakage detection device for a stacker, the stacker comprises a stand column, a cross beam, a cargo carrying table and a control driving system, and the steel wire rope strand breakage detection device comprises a first detector, a second detector and a data acquisition center, the first detector and the second detector are electrically connected with the data acquisition center; the first detector is arranged on the stand column and used for detecting the steel wire rope in the vertical direction. The second detector is arranged on the cross beam and is used for detecting the steel wire rope in the horizontal direction; and the data acquisition center is arranged on the stacking machine and is used for receiving the detection signal. The steel wire rope of the stacking machine is detected in real time through the two detectors arranged on the stand column and the cross beam, and potential safety hazards caused by manual leak detection are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic detection technical field, concretely relates to a steel wire rope strand break detection device for stacking machine. BACKGROUND

[0002] At present in the material solid warehouse system, the stacking machine mainly has the stand, the crossbeam, the loading platform and the control drive system composition, and the lifting of loading platform is mainly by the motor drive steel wire rope roller, is completed through the steel wire rope tow loading platform. Steel wire rope is the main stress body, and the safety performance of steel wire rope has decisive influence to the safety performance of whole stacking machine. The steel wire rope of stacking machine is made of multiple steel wires, and strand break phenomenon can occur due to fatigue or wear in the use process, and once the steel wire rope breaks, the safety performance of steel wire rope will be affected.

[0003] For the strand break of steel wire rope, current mainly is artificial detection, and artificial detection is time-consuming and laborious, and is greatly influenced by detection personnel, and still has security risks due to the detection not in time or the missed detection due to human reasons.

[0004] At present, there is a part of steel wire rope strand break automatic detection device, and the existing detection device generally detects the burr of steel wire rope by mechanical mode, to distinguish strand break, and if strand break occurs inside steel wire rope or the burr is not obvious, missed detection will occur, so the detection sensitivity is not high. Therefore, a more sensitive steel wire rope broken wire detection device is required.

[0005] In view of the above, a steel wire rope strand break detection device for stacking machine is urgently needed to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a steel wire rope strand break detection device for stacking machine, and the specific technical scheme is as follows:

[0007] A steel wire rope strand break detection device for stacking machine, the stacking machine includes stand, crossbeam, loading platform and control drive system, and the steel wire rope strand break detection device includes first detector, second detector and data acquisition center, and the first detector and second detector are electrically connected with the data acquisition center;

[0008] The first detector is arranged on the stand and is used for detecting the steel wire rope in vertical direction;

[0009] The second detector is arranged on the crossbeam and is used for detecting the steel wire rope in horizontal direction;

[0010] The data acquisition center is arranged on the stacking machine and is used for receiving detection signal.

[0011] Optionally, the data acquisition center comprises a signal amplifier, a filter, an A / D converter and a display.

[0012] The first detector and the second detector are connected to the signal amplifier respectively.

[0013] The signal amplifier, the filter, the A / D converter and the display are connected in sequence, and the display is used for displaying the detection signal in real time.

[0014] Optionally, the data acquisition center further comprises a digital tube, and the digital tube is used for displaying the number of wire rope damages.

[0015] Optionally, the data acquisition center further comprises a pre-warning device, and the pre-warning device is used for sounding and lighting alarm when the wire rope is damaged.

[0016] Optionally, the first detector and the second detector are both magnetic flux leakage detection probes, the magnetic flux leakage detection probe comprises a centering support and a magnetic flux leakage detection sensor, the magnetic flux leakage detection sensor is installed on a vertical column or a cross beam through the centering support, and the magnetic flux leakage detection sensor is used for detecting the wire rope and continuously sending a detection signal to the data acquisition center.

[0017] The technical scheme of the utility model has the following beneficial effects:

[0018] The utility model discloses a wire rope detection device for stacking machine, through real -time detection to the wire rope of stacking machine, avoids the security risk that manual missed inspection produces.

[0019] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. Below, referring to the drawing, the utility model will be further explained in detail. DRAWINGS

[0020] The drawings that constitute a part of this application are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation to the utility model. In the drawings:

[0021] Figure 1 It is the installation schematic drawing of the wire rope strand detection device for stacking machine in the preferred embodiment of the utility model.

[0022] Among them, 1 - first detector, 2 - second detector, 3 - data acquisition center, A - vertical column, B - cross beam. CONCRETE IMPLEMENTING METHOD

[0023] The embodiment of the utility model is explained in detail below in combination with the drawings, but the utility model can be implemented in multiple different ways limited and covered by the claims.

[0024] Embodiment:

[0025] The stacker in the embodiment comprises a column A, a beam B, a loading platform and a control driving system, specifically, the control driving system is composed of a power source and a steel wire rope, the power source drives the steel wire rope, the steel wire rope pulls the loading platform to rise or fall, the steel wire rope is arranged along the height direction of the column A or the length direction of the beam B, and a pulley is arranged at the junction of the column A and the beam B to assist the turning of the steel wire rope, so that the loading platform is better pulled.

[0026] Referring to Figure 1 , the embodiment provides a steel wire rope breakage detection device for a stacker, which comprises a first detector 1, a second detector 2 and a data acquisition center 3, the first detector 1 and the second detector 2 are both electrically connected with the data acquisition center 3; preferably, the first detector 1 and the second detector 2 in the embodiment are both connected with the data acquisition center 3 through signal lines;

[0027] The first detector 1 is arranged on the column A and is used for detecting the steel wire rope in the vertical direction;

[0028] The second detector 2 is arranged on the beam B and is used for detecting the steel wire rope in the horizontal direction;

[0029] The data acquisition center 3 is arranged on the stacker and is used for receiving detection signals.

[0030] It should be noted that the embodiment provides a steel wire rope breakage detection device for a stacker, which adopts an automatic online detection device to detect the steel wire rope, the first detector 1 and the second detector 2 are arranged on the column A and the beam B respectively, when the steel wire rope pulls the loading platform to move, the relative movement occurs between the steel wire rope and the detector, and then the detection is completed. By applying the steel wire rope breakage detection device disclosed in the embodiment, the steel wire rope can be scanned and detected in real time when the stacker is working, the damage of the steel wire rope can be found in time, and the safety hidden danger can be avoided.

[0031] Further, the first detector 1 and the second detector 2 in the embodiment are arranged at positions close to the junction of the column A and the beam B, the detectors arranged at the positions can not interfere with the normal operation of the stacker and have little influence on the original structure.

[0032] In a specific embodiment, the data acquisition center 3 comprises a signal amplifier, a filter, an A / D converter and a display;

[0033] The first detector 1 and the second detector 2 are connected with the signal amplifier respectively;

[0034] The signal amplifier, the filter, the A / D converter and the display are sequentially connected, and the display is used for displaying the detection signal in real time.

[0035] Further, the data acquisition center 3 further comprises a power supply, and the power supply of the data acquisition center 3 in the embodiment is a lithium battery.

[0036] Specifically, the data acquisition center 3 in the embodiment is arranged on the column A, and the data acquisition center 3 is fixed on the column A through a screw, and a fixing sheet is used to ensure the stability of the signal line.

[0037] Further, the data acquisition center 3 further comprises a digital tube, and the digital tube is used for displaying the number of steel wire damage.

[0038] Optionally, the data acquisition center 3 further comprises a warning device, and the warning device is used for sounding and lightening alarm when the steel wire damage occurs.

[0039] In the embodiment, preferably, the first detector 1 and the second detector 2 are both magnetic flux leakage detection probes, the magnetic flux leakage detection probe comprises a centering support and a magnetic flux leakage detection sensor, the magnetic flux leakage detection sensor is installed on the column A or the beam B through the centering support, and the magnetic flux leakage detection sensor is used for detecting the steel wire and continuously sending a detection signal to the data acquisition center 3.

[0040] The embodiment provides a steel wire strand breakage detection device for a stacker, and a working process is as follows:

[0041] When the stacker works, the first detector 1 and the second detector 2 acquire the magnetic flux leakage signals of the steel wire in real time, and transmit the magnetic flux leakage signals to the data acquisition center 3, and a worker can view the magnetic flux leakage signals of the steel wire in real time through a display screen; further, the data acquisition center 3 performs analysis and operation on the magnetic flux leakage signals, judges damage through a threshold and an alarm threshold, obtains a graded damage alarm signal, converts the damage alarm into a 24V switching signal through a relay, transmits the 24V switching signal to a controller, and performs sound and light alarm through the controller, does not perform waveform display, simultaneously increases a button for human-computer interaction, and maximally simplifies equipment.

[0042] In the detection process, the user can set the alarm threshold according to the demand, when the different degree of injury will appear serious red alarm signal and warning yellow alarm signal respectively, and the two signals of the combination of the two probes are converted into 24V switch signal by 24V relay and transmitted to the PLC of the stacker, and the PLC of the stacker carries out sound and light alarm. At the same time, when the alarm appears, the number of damage will be displayed on the digital tube, until the damage is found, the film keyboard is pressed F1 key to reset the data or modify the alarm threshold. It should be noted that the digital tube is used to display the alarm threshold and the number of damage, the red light signal indicates serious alarm, the yellow light signal indicates warning, and the film key is used to set the alarm threshold, data clearing reset and other interactive functions.

[0043] The preferred embodiments of the present application have been described above by way of example only, not for limitation, for those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wire rope strand breakage detection device for a stacker crane, the stacker crane comprising a column (A), a beam (B), a loading platform, and a control and drive system, characterized in that, The wire rope strand breakage detection device includes a first detector (1), a second detector (2), and a data acquisition center (3), wherein the first detector (1) and the second detector (2) are both electrically connected to the data acquisition center (3); The first detector (1) is mounted on the column (A) and is used to detect the steel wire rope in the vertical direction; The second detector (2) is mounted on the crossbeam (B) and is used to detect the steel wire rope in the horizontal direction; The data acquisition center (3) is located on the stacker crane and is used to receive detection signals.

2. The wire rope strand breakage detection device according to claim 1, characterized in that, The data acquisition center (3) includes a signal amplifier, a filter, an A / D converter, and a display; The first detector (1) and the second detector (2) are respectively connected to the signal amplifier; The signal amplifier, filter, A / D converter, and display are connected in sequence, and the display is used to display the detection signal in real time.

3. The wire rope strand breakage detection device according to claim 2, characterized in that, The data acquisition center (3) also includes a digital tube, which is used to display the number of wire rope damages.

4. The wire rope strand breakage detection device according to claim 2, characterized in that, The data acquisition center (3) also includes an early warning device, which is used to issue an audible and visual alarm when the wire rope is damaged.

5. The wire rope strand breakage detection device according to claim 1, characterized in that, The first detector (1) and the second detector (2) are both magnetic flux leakage detection probes. The magnetic flux leakage detection probe includes a centering bracket and a magnetic flux leakage detection sensor. The magnetic flux leakage detection sensor is installed on a column (A) or a beam (B) through the centering bracket. The magnetic flux leakage detection sensor is used to detect the wire rope and continuously send detection signals to the data acquisition center.

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