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The independent suspension device.
On cars used independent plumb the front wheels, when the vertical movement of the od- tion of the wheels is not dependent on the other. On vehicles with class- the classical scheme layout set lever pru- Ginnie besskorbnaya or pivot suspension. Double wishbones suspension baskonia re- DNA wheels consists of: • upper and lower arms mounted to one hundred- Rhone on the axes to the vehicle body or to a support the cross member and the cross member suspension, and other hand — using the upper and lower Sha digital hinges to swivel the front wheels; • helical cylindrical spring sizes Director between the lower arm and the body or a suspension cross member ; • shock absorber mounted inside the spring; • stabilizer bar, og- rancimat lateral roll and lateral vibrations of ku- call car. If you experience side roll the body terminal of the stabilizer is twisted and power elasticity tends to straighten the position of the body. Single lever suspension type "McPherson" - used on front wheel drive cars. Consists of: • telescopic hydraulic amortization rack, which is the main element Veski, it acts as a guide device STV, which determines the movement of the wheel relative but the body and shock absorber, damping of the body; • helical coil springs; • control arm; • the stabilizer bar. The advantages of front wheel suspension type "Mac- Fearson" is the simplicity of its design, compactness, considerable distance between the supports of the springs, reduce- ing passed from them to the body force, the minimum number hinge joints in the suspension. A characteristic feature front suspension front driving cars is close to zero or even negative values angles camber and toe. The location of the front wheels under the same- mi angles ensures parallel movement, when the transmitted torque from the engine of the AV- tomobile. Unlike the front-wheel suspension of cars biles with classical scheme layout has a positive importance of camber and toe. Shock absorbers When hitting the wheels of the car on uneven road covering oscillations of the body, continued- are some time once the contact of the wheels with pre- pacsteam. For damping of these oscillations in the design of under- Veski provides shocks, mainly liquid telescopic type. The principle of operation of the shock absorber based on resistance- research Institute by-pass of fluid from one cavity of the shock absorber in another through narrow channels. Used telescopic double-action shock absorbers that provide support tavlenie (dampen vibration) under compression and the recoil springs (spring). Device for telescopic shock absorber The shock absorber consists of: • casing (cylindrical tank); • cylinder with a bottom; • the piston rod; Telescopic hydraulic damper • guide bushing with seals; • inlet valve; • valve compression spring; • valve return spring; • by-pass valve. When the deflection of the spring (compression spring) is compressed- ment of the shock absorber, the piston under the action of the rod is moved is down, and the liquid through the bypass valve flows in the cavity above the piston. Since this cavity is the stock, which occupies a certain volume, and the liquid here may not fit, a piece from the cavity under the por- SNAM, overcoming the resistance of the spring, will open clas- pan compression and flow into the cavity between the casing and the wall cylinder. Resistance to the flow of liquid to pene- emoe valves and channels, provides the necessary co- the resistance of the shock absorber under compression. During recoil (spring or springs) shock stretched, and in the cavity above the piston creates a positive pressure tion, under which the bypass valve sacrava- is in the piston and opens the valve impact, some of the fluid enters the cavity under the piston. In addition, part of the Jew- bones from the reservoir flows into the cavity through the inlet- Noah valve. The resistance to flow of fluid at the the impact is greater than in compression, in 2-3 times, which is achieved the selection of the cross section of the openings of the valves and compression force them springs. Shock absorbers for front and rear suspensions and one the same car does not have fundamental differences, but can vary the speed and length of the rods, as well as design the modernization of fastening of the shock absorber to the parts of the body and under- Veski. To fill the shock absorbers use a special oil. |
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