Reducer Industry and Product Knowledge
Floating internal friction wheel speed-retarders (IPV) Retarder) The structure, external friction wheel, which is connected to the rotary side O1, internal friction wheel, which is connected to the second side, and external friction wheel, which is within the inner side of the friction wheel, and the centre of the two friction wheels leaves at a certain distance. The floating friction wheel is placed within the wedge space formed from the external side and the inner side of the friction wheel, and the external surface of the floating friction wheel is in contact with the external side of the external side and the internal side of the friction wheel, respectively, under gravity.
The structure of a floating internal friction wheel, with an external friction wheel connected to the frame of the aircraft to rotate the second O1, with an internal friction wheel connected to the frame of the aircraft to rotate the second O2, with an external friction wheel located inside the internal friction wheel and the centre of the two friction wheels leaving at a certain distance.Planetary gear decelerator.It is a revolving body that is widely used in China, East China, for tower-injecting cranes, and in metallurgy, mines, cranes, transport, cement, construction, chemicals, textiles, pigments, pharmaceuticals, etc. Floating friction wheels are placed in wedge space formed from exterior and internal friction wheels, and, with gravity, the outer surface of the floating friction wheel is in contact with the outer surface of the exterior and the internal friction wheel, respectively.
Motion of work: External friction wheel as input component, internal friction wheel as output component, and when external friction wheel reverses the timewise, the floating friction wheel flows through (tung guò), which in turn drives the internal friction wheel spins through the friction wheel. Because the external friction wheel has different diameters (outside diameter) and inner friction wheel inner diameters, therefore, the floating internal friction wheel speed-reducing machine is the same. Retarder) Changed the size and direction of the velocity and achieved the velocity transfer.
2 Structural Parameters parameter) Identification of
2.1 Determination of the diameter range (fàn wéi)
The diameter of the external friction wheel is d
1 Radius r
1 The centre of the circle is O1; the diameter of the inner friction wheel is d
2 Radius r
2 The centre of the circle is O 2; the diameter of the floating friction wheel is d
3 Radius to r
3 The centre of the circle is O 3; the pecular distance of the inner and external friction wheel is e; the cut point of the floating friction wheel is A, B; the angle of the inner friction wheel is the wedge after two cut points A, B; The centre of the floating wheel is the link to the outer and inner friction wheel centre and the horizontal line () Horizontal line The horns are 1,2 respectively.
Obviously, the o3 of the floating friction wheel cannot be on the O1O2 connection because of these two positions. position Wedge angle = 0, floating friction wheel is in a state of instability (interpretation: steady and stable; no change). The diameter of floating friction wheel.
The orbital equation of the circle and the position of the centre of the circle in 2 or 2 position...............................................................................................................................
By form, the relative position of the diameter of the external, inner friction wheel and the centre of the circle () position) When known, the diameter of the floating friction wheel can be determined by any of the values of x and y for a floating friction wheel. Similarly, when the diameter of the external, inner friction wheel and the relative position of the centre of the circle is known, the diameter of the fixed friction wheel is known if the position of the floating friction wheel is in line with the requirements. Collapse. By way of example, the position of the centre of the floating friction wheel is known.
Two, three, wedge determination.
Wedge effect(s) influence The speed-reducing machine. Retarder The ability to move, it's related to the position of the floating friction wheel, as shown, the circle of the floating friction wheel.
Two four, move ratio.
Move the comparison.
3 Motion capability analysis. Analyse)
An external friction wheel is a power input component with an input power rectangular of T1; receptivity analysis of a floating friction wheel is performed (Analyse), exterior friction wheel functions at the positive pressure and friction of the floating friction wheel, respectively N
13, F 13; internal friction wheel functions at the positive pressure and friction of floating friction wheel, respectively N
23、F 23。Hard-noodle gear brakes.It is a revolving institution that is widely used in the East China region, the East China region, and for tower-inducted crane machinery. It is widely used in metallurgy, mines, cranes, transport, cement, construction, chemicals, textiles, pigments, pharmaceuticals, etc. The direction in which the friction wheels are rotated and the forces in which they are directed are shown, and in order to ease the equation of resonance, the forces and direction of the floating friction wheel are drawn on the straight-angle coordinates, as shown.
(f) The diameter of the exterior friction wheel, internal friction wheel and floating friction wheel. The gear reducer motor, 1 and R series of coaxis, combined with the international technical requirements, is manufactured with a high technological content of 2, space-saving, reliable durable, overloading capacity of up to 132 KW; 6. Precisionly processed to ensure axle parallelity and positioning bearing requirements, and to form a speed-reducing machine with a total of oscillation gears, with various types of electric power, combined into a combination of electromechanical integration, which fully ensures the quality of product use.
When the friction slows down. Retarder At the time of stabilization (interpretation: stability; no change), the friction wheel is moving at even speed, and at this time there is
The transmission failure is a slide, and the ability to move is a cologne friction formula.
The main factors affecting the ability to move are the position of wedges, floating friction wheels (see table 2). position 1, 2, friction factor
F, the weight of the floating friction wheel G3 and the diameter of the external friction wheel d1. 1 Retarder The ability to move, first of all, to consider. consider) is the effect of wedges, the position of floating friction wheels 1,2 and the friction factor f (influence)。
4 Power Analysis (DNA) Analyse)
An exterior friction wheel, an internal friction wheel and a floating friction wheel have the same rotation usage as J.
When entering a function with one of the characteristics of T1 and T2 of the output rectangular, the two-step differential equation is solveable, and it depicts it. trace Get out of the friction wheel speed-reducing machine. Retarder At all stages of start-up, smooth running and parking (guo chéng).
In order to improve the speed-reducing machine, Retarder (i) Motion capability and security performance not affected by the direction of gravity () influence), achieve movement in both positive and negative directions by introducing an improved internal friction wheel speed reduction machine, adding two floating friction wheels, and making two transports () transmission) The floating friction wheel of power is linked to the 3rd floating friction wheel spring (huáng), which symmetricizes the two floating friction wheels of power transfer. symmetry), achieve both positive and negative The movement of the direction; In addition, the pre-heavy of the two springs can be altered to change the speed-reducing power or security sufficiency.
