HEBEI QINYI CONVEYING EQUIPMENT CO.,LTD
HEBEI QINYI CONVEYING EQUIPMENT CO.,LTD
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河北勤亿输送设备有限公司
Hebei QinYi Conveying Equipment Co., ltd.
Hebei QinYi Conveying Equipment Co., ltd. is founded in 2013, QinYi has professional production workshops and modern production lines. covering an area of more than 60,000 square meters, with the registered capital of more than USD8000,000.
QinYi mainly engaged in designing and manufacturing bulk conveying systems and equipment, we are specialize in gravity conveyor idler / roller, Drum pulley and Conveyor Belt and other spare parts of bulk handing system.
QinYi products are widely used in mining, coal, port, power station, building and metallurgy, etc.
QinYi has exported to Italy, Germany, Hungary, America, Holland, Chile, Tunisia, Malaysia, Vietnam, Philippines, Indonesia, Pakistan and many other countries.
With the high quality, reasonable price, fast delivery, good after-sales service. QinYi has obtained the customer high praise and keep cooperation now.
In order to ensure the quality of the products, QinYi have passed the ISO9001:2000 quality management system certification. According to GB/T19001:2000 standard, QinYi has established a quality management system, which provides a reliable guarantee for the quality stability.
It's our principle in business to honor the contract and keep our promise.
QinYi welcome you to send us the inquiry and other questions, we would like to improve with you together and looking forward to cooperate with you at any time.
CONVEYOR PULLEY
Summarize
Besides DTII(A)-Type pulley which accord with GB/T988-1991,
We can produce new-type pulley , too. This kind of pulley is more practical. Dimensions of tube, center plate, hub and shaft are all calculated by the computer.
According to different loading, pulley is divided into light-type, ,medium-type and heavy-duty three types.
Large-torque pulley can be designed with cast-welding structure.
Common conveyor belt width and pulley length & diameter combination
| B.W (mm) | P.L (mm) | P.D (mm) | ||||||||||
| 200 | 260 | 114 | 120 | 160 | 200 | 250 | ||||||
| 250 | 320 | |||||||||||
| 300 | 400 | 200 | 250 | 315 | 400 | |||||||
| 400 | 500 | 200 | 250 | 315 | 400 | 500 | ||||||
| 500 | 600 | |||||||||||
| 650 | 750 | 200 | 250 | 315 | 400 | 500 | 630 | 800 | ||||
| 800 | 950 | 200 | 250 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 | 1400 | |
| 1000 | 1150 | 200 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 | 1400 | 1600 | 1800 |
| 1200 | 1400 | 250 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 | 1400 | 1600 | 1800 |
| 1400 | 1600 | |||||||||||
| 1600 | 1800 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 | 1400 | 1600 | 1800 | |
| 1800 | 2000 | |||||||||||
| 2000 | 2200 | 500 | 630 | 800 | 1000 | 1250 | 1400 | 1600 | 1800 | 2000 | ||
| 2200 | 2500 | |||||||||||
| 2400 | 2800 | |||||||||||
| 2600 | 3000 | 630 | 800 | 1000 | 1250 | 1400 | 1600 | 1800 | 2000 | 2200 | ||
| 2800 | 3200 | |||||||||||
| 3000 | 3400 | 800 | 1000 | 1250 | 1400 | 1600 | 1800 | 2000 | 2200 | 2400 | ||
Pulley Parts: Shell
The chemical composition and mechanical properties of the metal materials used in the drum body should meet the corresponding national standards.
Before welding, the steel should be shot peened by pretreatment process.
Pulley Parts: Hub
The casting quality of pulley hub shall be tested by magnetic powder or ultrasonic wave.For circumferential welds and longitudinal welds of small diameter rollers, the special technology of single side welding and double side forming should be adopted.The circular and longitudinal welds of the drum are all carbon dioxide shielded welds, and nondestructive inspection should be carried out to ensure the quality of the welds.Eliminate welding stress and ensure the normal operation of pulley.
Pulley Parts: Shaft
The drum shaft shall be forgings and shall be nondestructive tested and shall be provided with a test report.The allowable torque and allowable net force should meet the design requirements.
Under the maximum load condition of the drum shaft, the deflection of the shaft between the bearing blocks is
Connection way between drum and shaft
According to the need to use key, heat expansion or extension sleeve (power block) connection
Drive Pulley
According to load capacity, the drive pulley is divided into three types.
Light - type:hole diameter of bearing is 80-100mm, shaft and hub are connected by single key, central plate is welded with
the tube, it is of single extension shaft
Medium - type:hole diameter of bearing is 120-180mm,shaft and hub are connected by extension sleeve (power block)
Heavy-Duty:hole diameter of bearing is 200-220mm,shaft and hub are connected by extension sleeve (power block)
The drum body is casting-welding structure, it includes single extension shaft and double extension shaft, two types
Pulley surface can adopt flat type, herringbone rubber lagging type and diamond rubber lagging type.
Herringbone rubber surface has big friction coefficient, good skid resistance and drainage, but it is restricted by its directivity.
Diamond rubber surface is suitable for double - direction conveyor.
Bend Pulley
According to load capacity, the bend pulley is divided into three types.
Light - type:hole diameter of bearing is 50-100mm
Medium - type:hole diameter of bearing is 120-180mm
Heavy-Duty:hole diameter of bearing is 200-260mm
Structure type is identical to the driving pulley
Pulley surface can adopt flat type or smooth rubber type.
Thanks
河北勤亿输送设备有限公司
Hebei QinYi Conveying Equipment Co., ltd.