First, the classification of scraper conveyor

According to the arrangement and structure of the scraper conveyor chute, it can be divided into side by side and overlap type.

According to the number and arrangement of the scraper chain of the scraper conveyor, it is divided into single chain, double chain, double center chain and triple chain.

Second, the structure of the scraper conveyor

Transmission

(1) Electric motor. The power source of the scraper conveyor.

(2) Coupling. Connection between the motor and the reducer or reducer and the head drive spindle.

(3) Reducer. A device that changes the number of motor revolutions and transmits the torque of the motor.

(4) Spindle. Drive the main sprocket and then pull the scraper chain to move.

2. Scraper chain

The traction mechanism of the scraper conveyor, the breaking load of the 14×50 connecting ring in the opening connecting ring of the scraper conveyor should be greater than 225KN, and the breaking load of the 18×64 connecting ring should be greater than 370KN.

3. Chute

Scraper conveyor traction chain and cargo guiding mechanism. The chute can be divided into an intermediate chute, an adjustment chute and a connecting trough.

4. Safety device

(1) Insurance pin protection device. The connection between the drive sprocket and the sprocket of the main shaft and the main shaft is transmitted through the safety pin. When the load on the main shaft exceeds the allowable specified value, the safety pin is sheared and broken, so that the motor is idling and the conveyor stops working to achieve overload protection.

(2) Friction plate protection device. The friction plate of the SGD-11 type is installed in the decelerator. When the machine is overloaded, the inner and outer friction plates in the reducer slip, which stops the conveyor and achieves the purpose of protection.

5. Tight chain device

Adjust the tightness of the scraper chain.

6. Shift device

When using single prop in coal mining face, the position of the passage have a special scraper conveyor.

7. Coal blocking board and shovel

The coal shield is designed to improve the transport capacity of the scraper conveyor and prevent coal from being thrown into the goaf.

8. Hydraulic coupler

Also known as a torque-type fluid coupling.

PC Plastic Rod

PC plastic,full name Polycarbonate.

PC plastic is a kind of excellent comprehensive performance engineering plastics.It has excellent physical, mechanical, electrical, and thermal properties,so it's known as the "king of the transparent plastic'

Classification:

Anti - static PC SHEET, conductive PC SHEET,fireproof PC SHEET,PC fiber - resistant, PC GF SHEET, PC+ABS SHEET,anti-ultraviolet ray resistance PC, food grade PC, anti - chemical PC.

Advantages:

1,Light weight

2,Impact resistance

3,Excellent physical, mechanical, electrical and thermal properties

4,Ultraviolet resistance

Disadvantages:

Polycarbonate is not resistant to ultraviolet light, no resistance to alkali, resistance to hydrolysis stability is not high, is the main performance defect is sensitive to the gap, resistance to organic chemistry, scratch resistance is poorer, long-term exposure to ultraviolet light yellow, are vulnerable to the erosion of some organic solvents.

Applications:

1. Dust-free room spacer

2. Equipment shield and test fixtures;

3. Commercial Building Lighting;

4. Soundproof walls;

5. Greenhouse;

6. Components for medical and pharmaceutical devices;

7. Face shields;

8. Skylights, etc

Modified use:

The purpose of the modified PC Plastic is to toughen, improve the processing performance, reduce the residual deformation, and increase the flame retardancy, etc.

PC/ABS can improve bending modulus, heat resistance and plating performance.

PC/PET and PBT can improve drug resistance and solvent resistance.

PC/PMMA added plexiglass to enhance the appearance of pearlescent color.

PC/PA and HIPS can improve impact toughness and surface finish.

PC/HDPE can improve water resistance, aging resistance, weather resistance and LDPE.

The PC Plastic USES fiberglass or carbon fiber to enhance modification and improve mechanical strength.

The flame retardant grade PC Plastic can be made with bromine flame retardant and antimony trioxide.

Other and polysulfone, aromatic polycarbonate, polyvinyl formaldehyde, polypropylene, polystyrene can be modified to achieve the balance between economy and performance.


Combustion characteristics:

Combustion condition: easy, softening foaming

Flame status: small amount of black smoke

After the fire: out of the fire

Bouquet: no special taste

Specification: the thickness of PC Plastic sheet material can be produced from 0.3mm to 1.9mm, the normal width is 600mm, the width cannot exceed 1200mm, the length is not limited.
The thickness of plate can be produced from 2mm to 180mm, the usual specification of 2-10mm is 1000mm* 2000mm, and the commonly used specification of 10-180mm is 600*1200 mm. PC Plastic sheet can also be customized according to requirements, and the width cannot exceed 1200mm, and the length is not limited.and The diameter of the PC Plastic rod can be produced from 2mm to 250mm, the length is 1 meter, and it can be ordered to be more than 3 meters in length.

Color: Black and clear, can also be made another color, and the color order is 500KG.


Modified varieties:PC Plastic can be added to the Glass Fiber, copper powder, and molybdenum disulfide enhancement plate according to customer's requirements.
Add antistatic agent to the permanent plate, the volume resistance value of 10 to the 6 to 9 power.
Add flame retardant to the flame retardant board from UL 94v-0 to HB combustion grade, and other modification requirements are required to customize various additional properties according to the actual use of the customer.

Product certification: most environmental certification reports and safety reports for raw materials, such as SGS report, CTI report, UL report, MSDS safety information, etc.

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Dongguan Noegem Plastic Products Co.,Ltd , https://www.noegempLastic.com