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Wholesale products backstop device transmission
Product Show http://bjpascal.en.china.cn/
1. Product Pictures of backstop device transmission
2. Product Description of backstop device transmission
Easy Installation & Disassembly
Quick disconnect mounting pins for fast torque arm installation and removal.
Reliable Lubrication
&Unique sealing design:
Using dual lipped seals and dust ring to seal. Dual lipped seals can effectively avoid internal oil leakage.
Dust ring can prevent outside dust from contacting oil seal to provide prolonged life in hostile
environments.
&Thorough system design:
Inner cam can rotate freely with shaft. Contact-sealed splash circulation can lubricate and protect
workpiece and minimize wear and tear.
Multiple oil drain plug can ensure the installation of backstop device transmission be mounted at any desired angle.
Filtered breather, oil sight gauge and purgeable grease-cavities provide a complete self lubricating system,
which shortens maintenance time.
longer Service Life
Unique design of cylindrical rollers and wedge action weaken the backstop device transmissionping contact stress,
which increases life.
2. Application of belt conveyor backstop device transmission
The Backstops are extensively used in Inclined Belt Conveyors / Bucket Elevators etc. to arrest
the rolling back of the machine in case of power shut down
or sudden stoppage of the equipment due to any reason, thereby avoiding the material
being transported to fall-off the machine thus avoiding accidents.
3. Types of belt conveyor backstop device transmission
DSN backstop device transmissions are spring and sprag backstop device transmissions engineered for use in low speed operation.
4. Details of belt conveyor backstop device transmission
How it works
Several irregular blocks are arranged regularly between outer ring and inner ring. When the inner ring is rotating in the
working direction, the irregular blocks contact with the outer ring and inner ring gently.
When the inner ring is rotating on the contrary to the working direction, irregular blocks will be deflect driven
by spring force and wedge outer ring and inner ring closer together to afford backstop device transmission torque.
Installation Size (corresponding letter in table pls check the following pictures)
Torque Arm Stirrup Design
Stirrup is used to locate torque arm. It must have enough resistance to shear strength (pressure).
When user selected arm length is different, the withstood Toque Arm Reaction Force also changes.
The pin hole on the stirrup must be long and be installed at the same direction of torque arm, to
relieve backstop device transmission outer race from undue parallel forces.
When backstop device transmissionping, the pin on the stirrup has no force effected. Its function at this time is to prevent reverse rotation
at normal runtime.
Torque Arm Stirrup Stress Diagram
Following is the minimum Torque Arm Reaction Force borne by the stirrup when torque arm length is
standard.
Common Arrangement of Belt Conveyor Backstop and Stirrup
Stirrup is used to locate torque arm. It must have enough resistance to shear strength (pressure).
When user selected arm length is different, the withstood Toque Arm Reaction Force also changes.
The pin hole on the stirrup must be long and be installed at the same direction of torque arm, to relieve
backstop device transmission outer race from undue parallel forces.
When backstop device transmissionping, the pin on the stirrup has no force effected. Its function at this time is to
prevent reverse rotation at normal runtime.
Clearance: the clearance between backstop device transmission torque arm bottom and stirrup surface is
recommended to be 8 -12 mm.
3. More Products for You to Choose
4. Advantages
*16 years experience in mining machinery manufacturing
*Well equipped with complete facilities, more than 50 rich experienced engineers and
more than 200 skilled employees
*Highly advanced digital processing equipment.
*All mining machinery we made are also performing in our self owned coal mine.
Company Show http://bjpascal.en.china.cn/
1. About us
BEIJING BASKA GUANHUA TECHNOLOGY CO., LTD was established in 2013 and is
located in Beijing as an international trading company. Our factory - Tonghua Mining
Machinery Co., Ltd was founded in 1998 and is located in Datong City, Shan Xi Province,
which is a professional manufacturer engaged in the research, development, production,
sale and service of belt conveyor, scraper conveyor, couplings, backstop device transmission, shaft lock assembly
and so on. It occupies an area of 120,723 square meters, which has more than 260 employees.
As a professional mining machinery supplier, our factory has excellent teams who focus on
product development & design, quality control & inspection and company running. In order
to supply the best products and services, we have built a modern quality management
system which is in strict accordance with international standards. Besides, we are making
great efforts to develop new products to meet different requirements. Our company has
strict quality control system. Strict quality control is performed in every procedure from
material sourcing, processing and testing to packing. Adhering to the business principle
of mutual benefits, we have had a good reputation among our customers because of our
perfect services, quality products and competitive prices.
2. Manufacturing Process
3. Certificate
4.Contact us
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