Rolling tower crane installation considerations

Rolling tower crane installation should pay attention to:
1. Check the Rolling bearing fine mounting site includes a shaft shoulder, shoulder and other housing bore>, there must be no scratches, rust, dust and burrs.
2. With an appropriate degree. Fit is too loose, it may accelerate joint wear and tear; with tight will cause difficult to remove, damage the bearing inner and outer.
3. The upper and lower surface of the housing binning gap is not too large, so as not to damage the rolling bearing cap.
4. The journal and the bearing hole of the gear unit housing should be coated with a layer of oil.
5. Rolling must be unsealed before the provisional assembly, to put some gasoline in immersion. After washing, cool on the shelves, and underneath it a clean sheet.
6. press-fit bearings using screw jack is appropriate, you must use the hammer, use a brass rod or dowel padded brass and percussion should be uniform along the bearing sleeve around, so as not to deflect.
7. allowed by ball or cone column force transmission can not be hammering within the installation sleeve jacket, when you install the jacket sleeve inner hammering may not, in order to avoid damage to the bearings.
8. When the gear mounted on the shaft bearings, bearing should first hanging in an oil bath heated to 80-90 degrees Celsius. Upon heating, the bearing surface shall be in contact with the oil pelvic floor or walls.
9. Assembly, Wu Shi Rolling close to the shoulder, or by adjusting the pad abutting shoulder.
10. make the ball jammed on the runway at the same time as the shaft and the shaft hole installation housing bearings, it must be used in a special hose spigot and dedicated soft copper cushions, while the outer collar force.

Gears and bearings

Tooth gear referred to, is one for each raised portion engages the gear, which raised portions are generally radially aligned, paired gear tooth contact with each other on the continued engagement of the gear can operate. Gear is capable of engaging each other toothed mechanical parts, to the fixed circumferential gear is fixed by linkage, and the main function is to support the mechanical bearing a rotating body, reducing its coefficient of friction during movement, and to ensure the accuracy of its rotation, circumferential bearing is to rely on the tightness or a friction fit to secure the bearing axially fixed by the outer ring, the inner ring, rolling elements and cage four parts to fix.

Buy agricultural machinery bearings

Bearing is the rotating bearings shaft of various mechanical or moving parts of the support member, it is widely used in farm vehicles, tractors, diesel engines, motors, threshers and other farm machinery bearings. Optional bearing common bearing code, but bearing the code more complicated, if agricultural hand grasp bearing identification code of law, the purchase is easy. Bearings are some of the commonly used standard model, code-named "0", the tolerance level is "G" (ordinary level), the general bearing of the first paragraph can not write, so its more than seven-digit code representing the basic code. To illustrate the meaning of bearing code: 7002136 cases (135 series diesel engine main shaft bearing), its basic code from right to left to identify. "36" two-digit internal light, which is calculated as 36 × 5 = 180 mm; "1" diameter series special light; "2" indicates the type of cylindrical roller bearings; "00" indicates the bearing structure in the form of an outer ring without ribs; "7" denotes the width of a narrow range. If the optional seven-digit code to other standard types of bearings and so on.Optional bearing multiple reference bearing diameter, bearing diameter in the basic code with the right end of the first, second digit indicates. Sub-standard and non-standard bearing bore diameter, the difference is not an integer or a non-standard inner diameter of an integer multiple of 5.