NJZ,NJD,NDZ,DSN type low-speed backstopDetailed product description：

NJD11-1000 (maximum speed: 200r/min-70r/min; The torque of the backstop is 11000-1000000 N. m) NJD low-speed backstop is a type of low-speed backstop developed by our company based on advanced technology of similar backstops abroad, combined with the use of reducers and backstops in China, specifically for large angle and large capacity belt conveyors. Due to the split design of the anti rotation arm of this series of backstops, in case of sudden accidents or when the backstop needs to reverse during maintenance of the main engine, the pin connecting the anti rotation arm can be quickly removed, and the backstop body can rotate together with the main engine.

model

Torque N.m

Maximum speed of inner ring r/min

Idle resistance torque N.m

Aperture range

structural dimensions

Weight (Kg)

A

B

D

H

h

Φ

L

E

F

NDZ160(NJZ16)

sixteen thousand

one hundred and fifty

twenty

100-130

one hundred and twenty

three hundred and twenty

five hundred and six

one hundred and fifty

ninety-eight

NDZ250(NJZ25)

twenty-five thousand

one hundred and fifty

thirty-five

120-160

one hundred and forty

eighty

three hundred and sixty

eight hundred

one hundred and fifty

one hundred and twelve

NDZ400(NJZ40)

forty thousand

one hundred and fifty

forty-five

160-200

one hundred and sixty

eighty-eight

four hundred and thirty

eight hundred and fifty

one hundred and sixty

one hundred and eighty-two

NDZ500(NJZ50)

fifty thousand

one hundred

seventy-five

160-220

two hundred

one hundred

five hundred

one thousand

two hundred and forty

three hundred and fifty-four

NDZ1000(NJZ100)

one hundred thousand

one hundred

ninety-five

180-250

two hundred and fifty

one hundred and twenty

six hundred

one thousand and two hundred

two hundred and ninety

six hundred and forty-four

NDZ1300(NJZ130)

one hundred and thirty thousand

ninety

one hundred

200-270

two hundred and eighty

one hundred and twenty

six hundred and fifty

one thousand and three hundred

eighty

forty

two hundred and ninety

one hundred and twenty

sixty

seven hundred and fifty-five

NDZ2000(NJZ200)

two hundred thousand

ninety

one hundred and ten

230-300

three hundred and twenty

one hundred and thirty

seven hundred and eighty

one thousand and three hundred

eighty

forty-five

two hundred and ninety

one hundred and thirty-five

sixty

one thousand and eighty-eight

NDZ2800(NJZ280)

two hundred and eighty thousand

ninety

one hundred and forty

250-320

three hundred and sixty

one hundred and forty

eight hundred and fifty

one thousand and five hundred

one hundred

fifty

three hundred and twenty

one hundred and fifty

seventy

one thousand four hundred and twenty-six

NDZ3300(NJZ330)

three hundred and thirty thousand

eighty

one hundred and sixty

260-350

four hundred

one hundred and forty

nine hundred and thirty

one thousand and six hundred

one hundred

fifty-five

three hundred and sixty

one hundred and sixty

seventy

one thousand nine hundred and twenty-one

NDZ5300(NJZ530)

five hundred and thirty thousand

eighty

two hundred and twenty

320-420

four hundred and fifty

one hundred and fifty

one thousand and thirty

one thousand and eight hundred

one hundred and twenty

sixty

four hundred and fifty

one hundred and eighty

eighty

two thousand nine hundred and forty-five

NDZ7100(NJZ710)

seven hundred and ten thousand

eighty

two hundred and fifty

350-450

five hundred

one hundred and sixty

one thousand and ninety

two thousand

one hundred and twenty

seventy

four hundred and eighty

two hundred and ten

one hundred

three thousand five hundred and eighteen

NDZ10000(NJZ1000)

one million

seventy

two hundred and eighty

380-480

five hundred and sixty

one hundred and seventy

one thousand and two hundred

two thousand and two hundred

one hundred and fifty

eighty

five hundred

two hundred and thirty

one hundred and ten

four thousand four hundred and forty-two

Note: 1. The hole tolerance is H7, and the recommended shaft tolerance is h6; the size of the installation hole key slot is selected according to GB/T1095-1979, and the width deviation adopts general key connection. The shaft is N9 and the hub is JS9.

2. The axial position of the torque arm cannot be rigidly positioned to ensure that the torque arm can move axially and prevent additional torque caused by misalignment. Key pins or angle irons are used for axial limit,

The axial stop iron cannot tilt, otherwise it may cause a malfunction of the backstop.

3. NJZ "represents the standard code for the coal industry.

NJZ, NJD, NDZ, DSN type low-speed backstop