CN111693286A

CN111693286A - Bearing vibration monitoring system

Info

Publication number: CN111693286A
Application number: CN202010779007.3A
Authority: CN
Inventors: 李振方
Original assignee: Shandong Metalist Heavy Machinery Co ltd
Current assignee: Shandong Metalist Heavy Machinery Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2020-09-22

Abstract

The invention discloses a bearing vibration monitoring system, which comprises a bearing, a support sleeve, a vibration sensor, an electronic diagnosis module, an industrial personal computer, a PLC (programmable logic controller), a display terminal, an alarm device and a storage device, wherein the bearing is arranged on a gear shaft, the gear shaft is arranged in an inner hole of the support sleeve, and the vibration sensor is connected to the horizontal and vertical positions of the support sleeve respectively to realize the acquisition of vibration data of the bearing; the vibration sensor transmits signals to the electronic diagnosis module, and the electronic diagnosis module outputs a real-time vibration spectrogram by processing the signals or outputs the signals to the PLC controller by signal processing; the PLC controller can display real-time data of bearing vibration on a display terminal through signal processing, and trigger an alarm device to respond when a monitored value exceeds a set value; the storage device can be used for acquiring the operation data for comparison and analysis. The invention can avoid the damage of parts, prevent the unexpected shutdown, prolong the service life of the equipment and reduce the maintenance cost.

Description

Bearing vibration monitoring system

Technical Field

The invention relates to a bearing vibration monitoring system, and belongs to the technical field of monitoring of the state of a main transmission bearing of a press machine.

Background

The bearing is used as an important component of a main transmission part of the press, and the precision life and the performance of the bearing are directly influenced by the installation quality and the operating state of the bearing. The main transmission part is a vital driving part in the press, and the operation reliability of the main transmission part is particularly important to the precision and the service life of the whole press. At present, the condition of the bearing is generally monitored by measuring the temperature of the bearing, deterioration factors existing in a mechanical structure can be represented, but the running condition of the bearing is very severe when the temperature of the bearing is obviously increased, and the bearing is basically damaged.

Disclosure of Invention

The invention aims to solve the technical problem of providing a bearing vibration monitoring system which is simple in structure, safe and reliable, and aims to overcome the defects in the prior art.

In order to solve the technical problem, the invention provides a bearing vibration monitoring system which comprises a bearing, a support sleeve, a vibration sensor, an electronic diagnosis module, an industrial personal computer, a PLC (programmable logic controller), a display terminal, an alarm device and a storage device, wherein the bearing is arranged on a gear shaft in an interference fit manner, the bearing and the gear shaft are arranged in an inner hole of the support sleeve, and the vibration sensor is connected to the horizontal direction and the vertical direction of the support sleeve respectively through threads so as to realize the acquisition of vibration data of the bearing in the X direction and the Y direction; the vibration sensor transmits signals to the electronic diagnosis module, and the electronic diagnosis module directly outputs a real-time vibration spectrogram by processing the signals transmitted by the vibration sensor or outputs the signals to the PLC controller by signal processing; the PLC controller can display real-time data of bearing vibration on a display terminal through signal processing, and trigger an alarm device to respond when a monitored value exceeds a set value; the storage device can call the running data of a certain period for comparison and analysis so as to accurately master the running state of the bearing.

The bearing inner ring is fixed through a gear shaft boss and a locking nut; the outer ring of the bearing is fixed with a bearing retainer ring through a boss of the support sleeve, and the bearing retainer ring is fixed on the support sleeve through a bolt.

The supporting sleeve is fixed on the rib plate of the cross beam body through a bolt.

And the industrial personal computer sets initial conditions according to technical parameters and use working conditions of the bearing.

Has the advantages that: the invention can avoid the damage of parts and components through continuous real-time monitoring and extremely short response time, prevent unexpected shutdown, prolong the service life of equipment and reduce the maintenance cost.

Drawings

FIG. 1 is a schematic view of the vibration sensor mounting of the present invention;

FIG. 2 is a schematic view of FIG. 1 taken along line A of the present invention;

fig. 3 is a block diagram of the present invention.

In the figure: the device comprises a vibration sensor 1, a cross beam body 2, a support sleeve 3, a bearing 4, a lock nut 5, a gear shaft 6, a bearing retainer ring 7, an electronic diagnosis module 8, an industrial personal computer 9, a PLC (programmable logic controller) 10, a display terminal 11, an alarm device 12 and a storage device 13.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Fig. 1 illustrates a schematic view of the vibration sensor mounting of the present invention.

FIG. 2 is a schematic view of the invention shown in FIG. 1 from direction A.

Fig. 3 is a block diagram illustrating the structure of the present invention.

The invention provides a bearing vibration monitoring system, which comprises a bearing 4, a support sleeve 3, a vibration sensor 1, an electronic diagnosis module 8, an industrial personal computer 9, a PLC (programmable logic controller) 10, a display terminal 11, an alarm device 12 and a storage device 13, wherein the bearing 4 is arranged on a gear shaft 6 in an interference fit manner, the bearing 4 and the gear shaft 6 are arranged in an inner hole of the support sleeve 3, and the vibration sensor 1 is connected to the positions of the support sleeve 3 in the horizontal direction and the vertical direction through threads so as to realize the acquisition of vibration data of the bearing 4 in the X direction and the Y direction; the vibration sensor 1 transmits signals to the electronic diagnosis module 8, and the electronic diagnosis module 8 directly outputs a real-time vibration spectrogram by processing the signals transmitted by the vibration sensor 1 or outputs the signals to the PLC 10 by signal processing; the PLC 10 can display real-time data of the vibration of the bearing 4 on a display terminal 11 after signal processing, and trigger an alarm device 12 to respond when a monitored value exceeds a set value; the storage device 13 can retrieve the operation data of a certain period for comparison and analysis, so as to accurately grasp the operation state of the bearing 4.

The inner ring of the bearing 4 is fixed with a locking nut 5 through a boss of a gear shaft 6; the outer ring of the bearing 4 is fixed with a bearing retainer 7 through a boss of the support sleeve 3, and the bearing retainer 7 is fixed on the support sleeve 3 through bolts.

The support sleeve 3 is fixed on the rib plate of the cross beam body 2 through bolts.

The industrial personal computer 9 sets initial conditions according to technical parameters and using conditions of the bearing 4, so that monitoring data are more real and reliable.

The invention can avoid the damage of parts and components through continuous real-time monitoring and extremely short response time, prevent unexpected shutdown, prolong the service life of equipment and reduce the maintenance cost.

The above-described embodiments of the invention are intended to be illustrative only and are not intended to be limiting, as all changes that come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims

1. The utility model provides a bearing vibration monitoring system which characterized in that: the device comprises a bearing (4), a support sleeve (3), a vibration sensor (1), an electronic diagnosis module (8), an industrial personal computer (9), a PLC (programmable logic controller) controller (10), a display terminal (11), an alarm device (12) and a storage device (13), wherein the bearing (4) is arranged on a gear shaft (6) in an interference fit manner, the bearing (4) and the gear shaft (6) are arranged in an inner hole of the support sleeve (3), and the vibration sensor (1) is connected to the support sleeve (3) at each of the horizontal direction and the vertical direction through threads, so that the acquisition of vibration data of the bearing (4) in the X direction and the Y direction is realized; the vibration sensor (1) transmits signals to the electronic diagnosis module (8), and the electronic diagnosis module (8) directly outputs a real-time vibration spectrogram by processing the signals transmitted by the vibration sensor (1) or outputs signals to the PLC (10) by signal processing; the PLC (10) can display real-time data of the vibration of the bearing (4) on a display terminal (11) through signal processing, and trigger an alarm device (12) to respond when a monitoring value exceeds a set value; the storage device (13) can acquire operation data of a certain period for comparison and analysis so as to accurately master the operation state of the bearing (4).

2. The bearing vibration monitoring system of claim 1, wherein: the inner ring of the bearing (4) is fixed with a locking nut (5) through a boss of a gear shaft (6); the outer ring of the bearing (4) is fixed with a bearing retainer ring (7) through a boss of the support sleeve (3), and the bearing retainer ring (7) is fixed on the support sleeve (3) through a bolt.

3. The bearing vibration monitoring system of claim 1, wherein: the support sleeve (3) is fixed on a rib plate of the cross beam body (2) through a bolt.

4. A bearing vibration monitoring system according to claim 1, 2 or 3, wherein: and the industrial personal computer (9) performs initial condition setting according to the technical parameters and the use working conditions of the bearing (4).