DETAIL
Home » News » FAQ » What are the causes of scraper motor failure?

What are the causes of scraper motor failure?

Views: 0     Author: Site Editor     Publish Time: 2022-09-27      Origin: Site

Motor fault is a common fault of scraper machine. There are three important cases: motor startup fault, excessive heat generation of motor and abnormal sound of motor.


The main cause of motor startup failure may be that the scraper is overloaded; The chain or some other component is seriously jammed; The power supply voltage cannot meet the rated requirements; The line is damaged and the power supply is abnormal; The starting voltage drop is too large due to insufficient transformer capacity; Or the mining face is not smooth; It may also be that the motor itself fails to start due to mechanical failure.


The reason for excessive heat generation of the motor may be that the motor fan stops running or the heat sink is seriously covered and the heat sink is blocked; The scraper has not been shut down for a long time, and is in the state of overload operation for a long time; The machine starts frequently, the starting current is large, the fuse is too large, and the motor works under the starting current for a long time.


The reason for abnormal motor sound may be that the scraper is in single-phase operation; The load is too heavy; The connector is loose and in poor contact; Bearing damage; The conveyor will be crushed due to rib spalling and roof fall.

LATEST NEWS
MORE ABOUT OUR NEWS
What are the advantages of bottom dump trams/ Under what circumstances are bottom dump trams used in coal mine transportation?
26 September 2022

At present, there are many kinds of trams for ore transportation in domestic mines, and large and medium-sized mines tend to use bottom dump and bottom side dump trams for transportation. Compared with other types of tramcars, these two types of tramcars can realize continuous loading and unloading

no photo
Maintenance Method Of Single Hydraulic Prop!
31 August 2022

Good morning, young friends! Next, the small editor is ready to explain the relevant contents of the single hydraulic prop for the small friends. The small friends are also deeply impressed with the single hydraulic prop. I still hope that this explanation will bring some gains to my friends1. For n

bb758db2ef80afaa95e774f6ef7b884f.jpeg
Hydraulic Acrow Props Maintenance And Management
31 August 2022

In order to make the hydraulic acrow props work stable, give full play to the efficiency of the equipment, and extend the service life, in addition to strictly complying with the operating procedures, it is necessary to strengthen daily maintenance.Precautions for maintenance and management of singl

0433f934921bfb3e037856b7f5727d16.jpeg
Shandong China Coal Mining Support Equipment Co., Ltd. was founded in the 1990s with more than 1100 employees. It now has 53 professional companies, 3 Hong Kong companies, 1 British Cayman company and 1 American company. It is a large diversified industrial group integrating intelligent equipment manufacturing, e-commerce, software research and development and intelligent logistics, which is cultivated and supported by the Ministry of industry and information technology, the Ministry of Commerce, the development and Reform Commission, Shandong Province and Jining City.
CONTACT FORM
China Coal WeChat
 
Official WeChat
China Coal WhatsApp
 
Official WhatsApp
China Coal tiktok
 
Official Tiktok
Form Name
Copyright © 2022 Shandong China Coal Industry & Mining Group Co., Ltd. Sitemap

CONTACT US

Phone:+86-18660761303
Email:sales@chinacoalintl.com
Address:No.11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China