CN-121977837-A - Device, system and method for detecting abrasion of wheel bearing of sintering machine

CN121977837ACN 121977837 ACN121977837 ACN 121977837ACN-121977837-A

Abstract

The invention provides a sintering machine wheel bearing abrasion detection device, a system and a detection method thereof, wherein the sintering machine comprises a wheel set, the wheel set comprises a wheel bearing, a wheel shaft and wheels, the wheel bearing comprises a bearing outer ring, a bearing inner ring and rolling parts, a transparent cover is arranged on the outer side of the wheels, an oil injection disc is arranged at the end part of the wheel shaft and coaxial with the wheel, the transparent cover, the bearing outer ring and the wheels are concentrically arranged, the oil injection disc, the bearing inner ring and the wheel shaft are concentrically arranged, the wheel bearing abrasion detection device is a position pickup device, the position pickup device comprises a positioning wheel, a bracket, a connecting rod, a wheel shaft and a bias sensor, and the outer circumference of the positioning wheel is in contact connection with the outer cylindrical surface of the transparent cover and is tangential to the outer circumference of the outer cylindrical surface. The position pickup device provided by the invention can be used for carrying out detection work on the wheel group of the sintering trolley at any time or at regular intervals, so that early warning on the abrasion condition of the wheel bearing is realized.

Inventors

DAI BO
ZHANG JUNJIE
ZHANG ZHEN
MENG FANTING
Jia Laihui
LIU TONG
WEN RONGYAO

Assignees

中冶长天国际工程有限责任公司
中天钢铁集团(南通)有限公司

Dates

Publication Date: 20260505
Application Date: 20260225

Claims (10)

1. A sintering machine wheel bearing abrasion detection device comprises a wheel set, wherein the wheel set comprises a wheel bearing (1), a wheel shaft (2) and a wheel (3), the wheel bearing (1) comprises a bearing outer ring (101), a bearing inner ring (102) and rolling parts, the rolling parts are arranged between the bearing outer ring (101) and the bearing inner ring (102), the wheel shaft (2) is in contact connection with the bearing inner ring (102), the wheel (3) is connected with the bearing outer ring (101), a through cover (4) is arranged on the outer side of the wheel (3), an oil injection disc (5) is arranged at the end part of the wheel shaft (2) and coaxial, an oil nozzle (6) is arranged at the center of the oil injection disc (5), the through cover (4), the bearing outer ring (101) and the wheel (3) are concentrically arranged, the oil injection disc (5), the bearing inner ring (102) and the wheel shaft (2) are concentrically arranged, and the sintering machine wheel bearing abrasion detection device is characterized in that a position pickup device (7), and the position pickup device (7) comprises a positioning wheel (702), a bracket (702), a connecting rod (703), a connecting rod (701), and a wheel shaft (704), the device comprises a support (702), a bias inductor (705), a connecting rod (703), a positioning wheel (701) and a permeable cover (4), wherein one end of the connecting rod (703) is arranged on the support (702), the positioning wheel (701) is connected with the other end of the connecting rod (703) through a wheel shaft (704), the bias inductor (705) is arranged in the middle of the support (702), the permeable cover (4) is of a circular ring structure, a permeable cover baffle ring (401) is arranged on the outer side of the permeable cover (4), and the outer circumference of the positioning wheel (701) is in contact connection with the outer cylindrical surface of the permeable cover baffle ring (401) and is tangential to the outer circumference of the outer cylindrical surface.
2. The device according to claim 1, wherein the position pickup device (7) comprises n positioning wheels (701), wherein the n positioning wheels (701) are connected with a bracket (702) through independent connecting rods (703), the outer circumferences of the n positioning wheels (701) are in contact connection with the outer circumference of the transparent cover (4) and tangent to the outer circumference of the outer circumference, and the intersection point of the diameter extension lines of the n positioning wheels (701) is the circle center of the wheel (3); Preferably, n is 3 to 10, preferably 3 to 6.
3. The device according to claim 2, wherein the position pickup device (7) comprises 3 positioning wheels (701), the 3 positioning wheels (701) are respectively and independently connected with the bracket (702) through connecting rods (703), and the included angles of the 3 independent connecting rods (703) and the horizontal direction are respectively 0 degree, 90 degree and 120 degree.
4. A device according to any one of claims 1-3, characterized in that the centre of the positioning wheel (701) is located at a distance d/2+r from the centre of the wheel, where d is the outer diameter of the outer cylindrical surface of the cover-penetrating retainer ring (401) and r is the radius of the positioning wheel (701).
5. The device according to any one of claims 1-4, wherein the support (702) is of a circular ring structure, the position pickup device (7) comprises m offset inductors (705), the distance between the m offset inductors (705) and the center of the position pickup device (7) is the same, wherein m is 1-10, preferably 2-8; preferably, the m bias sensors (705) are uniformly arranged on the bracket (702) in a circular ring shape.
6. The device according to claim 5, wherein the bracket (702) is provided with a chute, the axial direction of which is the same as the diameter direction of the bracket, and the bias sensor (705) is slidably connected to the chute.
7. A sintering machine trolley wheel bearing abrasion detection system is characterized by comprising the sintering machine trolley wheel bearing abrasion detection device and a control system (9) according to any one of claims 1-6, wherein the control system (9) is connected with a bias sensor (705) of a position pickup device (7) and acquires detection data of the bias sensor (705); Preferably, the control system (9) comprises a signal modulator (901), a data collector (902), an industrial computer (903), a database server (904), a central control room (905), a far-end connecting device (906) and a far-end monitoring device (907) which are sequentially connected, wherein the far-end monitoring device (907) is connected with the central control room (905) through the far-end connecting device (906), and the bias sensor (705) is connected with the data collector (902) through the signal modulator (901).
8. A method of detecting wear of a wheel bearing of a sintering machine or a method of detecting wear using the detection system of claim 7, the method comprising the steps of: S1, in the operation process of a sintering machine, a through cover (4), a bearing outer ring (101) and a wheel (3) coaxially and synchronously rotate, and an oiling disc (5), an oil nozzle (6), a bearing inner ring (102) and a wheel shaft (2) coaxially and synchronously rotate; S2, adjusting the distance between the offset sensor (705) and the center of the circle of the position pickup device (7) to be the same, and ensuring that the offset sensor (705) is positioned at the outer side of the oil nozzle (6), connecting the position pickup device (7) with the outer cylindrical surface of the transparent cover (4) through the positioning wheel (701), and enabling the positioning wheel (701) to rotate around the wheel shaft (704) by the rotation of the transparent cover (4); S3, detecting the distance between each offset sensor (705) and the oil nozzle (6), and further judging the abrasion degree of the current wheel bearing (1).
9. Method according to claim 8, characterized in that in step S3 the degree of wear of the current wheel bearing (1) is determined, in particular: S301, each offset sensor (705) detects the distance between the offset sensor and the oil nozzle (6), and is respectively recorded as Z1, Z2, zm; s302, calculating a bias amount Z Offset of deflection =Z max -Z min , wherein Z max =MAX（Z1,Z2,……,Zm）,Z min =min (Z1, Z2,) Zm; S303, setting the critical offset as Z Critical of , and judging: if Z Offset of deflection ≤Z Critical of is reached, the offset of the center of the oil nozzle (6) relative to the center of the wheel is in the critical offset range, the abrasion of the wheel bearing is small, and the sintering machine keeps normal running; If Z Offset of deflection ＞Z Critical of shows that the offset of the center of the oil nozzle (6) relative to the center of the wheel exceeds the critical offset, the wheel bearing is seriously worn, and the control system (9) immediately sends out an alarm signal.
10. The method according to claim 9, wherein the critical offset Z Critical of mm or less, preferably Z Critical of mm or less.

Description

Device, system and method for detecting abrasion of wheel bearing of sintering machine Technical Field The invention relates to a wheel bearing wear detection technology, in particular to a sintering machine wheel bearing wear detection device, a sintering machine wheel bearing wear detection system and a sintering machine wheel bearing wear detection method, and belongs to the technical field of bearing detection. Background The sintering machine is a key device specially suitable for sintering operation in large-scale ferrous metallurgy sintering plants, and is usually an integral system formed by closely connecting a plurality of sintering trolleys with the same structure end to end. The trolleys continuously and circularly run on a special running track according to a preset circular/elliptic track, so that automation and high efficiency of the sintering process are realized. Sintering production is an indispensable important place in the whole steel industry production chain as a pre-process in the iron-making production process. In practical industrial production application, the sintering production link mainly provides matched service for blast furnace smelting, and the core task is to carry out agglomeration treatment on finely divided iron ore powder through a sintering process, so that high-quality artificial rich ore meeting the blast furnace smelting requirement is produced, and a solid foundation is laid for the follow-up iron making process. In the long-term operation process of the sintering machine, the sintering machine often faces extremely bad working environment tests such as high temperature, dustiness, heavy load and the like. In such environments, the wheel bearings of the sintering pallet as the critical weight bearing and dynamic and static bearing components are extremely susceptible to various damaging factors, the most common and common form of damage being wear. When the bearing is worn, the gap between the inner ring and the outer ring is gradually increased, and if the wearing condition is continuously increased, the inner ring and the outer ring are even completely separated when serious, so that serious faults such as wheel falling of a trolley are caused. Once such faults occur, normal operation and production efficiency of the sintering machine can be directly affected, production accidents can be further caused, and immeasurable economic losses are brought to enterprises. Since sintering machines are themselves large heavy duty devices, bearing wear is a relatively microscopic progressive process, early signs of bearing wear tend to be difficult to discover and diagnose in time before significant damaging events do not occur. The concealment makes the bearing abrasion problem not easy to pay enough attention in the initial stage, thereby increasing the difficulty of equipment maintenance and management and burying potential risk hidden trouble for the safety production of enterprises. Disclosure of Invention Aiming at the problem that the abrasion of the wheel bearing of the sintering machine trolley is difficult to discover in time in the prior art, the invention provides a device, a system and a method for detecting the abrasion of the wheel bearing of the sintering machine trolley. The invention is provided with the special position pickup device, and can carry out detection work on the wheel set of the sintering machine trolley at any time or at regular intervals according to the actual condition of the site, thereby realizing early detection and early warning of the abrasion condition of the wheel bearing. Specifically, the offset sensor in the position pickup device can detect the offset of the center of the oil nozzle relative to the axis of the wheel or the cover-penetrating baffle ring periodically or in real time as required, and the offset can intuitively reflect the wear degree of the wheel bearing. Therefore, the detection device and the detection method thereof actually improve the timeliness of monitoring the abrasion condition of the wheel bearing of the sintering machine, provide powerful guarantee for the stable operation and the safe production of equipment, and greatly reduce the equipment maintenance cost and the production risk of enterprises. A device for detecting abrasion of a wheel bearing of a sintering machine. The sintering machine comprises a wheel set. The wheel set comprises a wheel bearing, a wheel shaft and wheels. The wheel bearing includes a bearing outer race, a bearing inner race, and rolling elements. The rolling elements are arranged between the bearing outer ring and the bearing inner ring. The wheel shaft is connected with the bearing inner ring in a contact way. The wheel is connected with the bearing outer ring. The outer side of the wheel is provided with a transparent cover. The end of the wheel axle is provided with a oiling disc and is coaxial. The center of the oil injection disc is provided with an oil nozzle. The transpa