Driveline kotov težav

Torzijska Vibration

Preverjanje pogonski U-skupno operacijo koti

Delovanje na pogonskem sklopu z univerzalnim spojem na obeh koncih delajo prek ima za posledico kota v svojevrsten gibanju. Pogonski sklop bo pospešilo in upočasni dvakrat za vsako revolucijo. Če so delovni koti na obeh koncih gredi neenaka, torzijske rezultati vibracij. To torzijske vibracije bo ponavadi, da se izničijo, če sta oba skupne delovne koti enaki.

Vrste hrupa

Hrup ali vibracije, ki se pojavi le v določenih hitrosti na cestah in zmanjša z naraščanjem hitrosti se ga neenakih delovnih kotov pogonskega sklopa sklepov na splošno povzroča. Hrup ali vibracije, ki je obstojna na celotnem območju vrtljajev in katere jakost se spreminja s spremembo hitrosti lahko povzroči neuravnovešeno drivelines, neuravnotežene zavorni bobni ali koluti, ali drivelines z univerzalnimi priključki iz faze.

predhodne Pregledi

Naredite preglede naslednjih pred sprejetjem korekturo kotov:

  1. Check companion flange or yoke nut for looseness and torque to proper specification if necessary.
    Pogonski sklop slip skupno
  2. Driveline slip joints that do not have the arrows or other markings pointing to each other will result in the driveline universal joints being out of phase. Z drugimi besedami, the transmission universal joint may be turned one spline or more to the right or left of being aligned with the universal joint at the opposite end of the driveline.
    • Some computer designed drivelines are purposely built with U-joints out of phase. Check manufacturer’s specifications for proper setting. tudi, check closely to make certain no twist has occurred to the tubing, causing these two joints to be out of phase Make sure the slip joint works freely and is not bound or seized. Slip joints must absorb axle housing movements.
  3. Unbalanced drivelines can cause vibration that occurs throughout the speed range of vehicle and varies in intensity with a change of speed. The driveline may be at fault in respect to balance and concentricity. A quick field check to determine driveline balance can be made by securing a small piece of metal or similar weight with a hose clamp to the front of the tube where the splined shaft is welded. Road test the vehicle and continue to move the weight around the tube until the balance point is found and vibration disappears or is minimized.
    neuravnotežen pogonski sklop
    Drivelines se dinamično uravnoteženo njihovi predvideni vrtilne hitrosti in ne neskončno hitrosti. tako, vibration can be expected when this rotational velocity is exceeded. Check concentricity of driveline by mounting on lathe centers and dial indicating. Preverite specifikacije proizvajalca za tek dodatka.
  4. podpira motorjev, ki so nosili, zdrobljen ali ohlapno, and mounting pads that are worn or deteriorated must be corrected to restore the engine suspension to its original vibration tolerance.

ob Literatura

plain, wing and flange driveline joint
plain driveline joint
universal joint

Take readings with protractor from machined surfaces of yokes or companion flanges. Plain, krilo ali prirobnico spoji se lahko pojavijo. Some will require partial disassembly to obtain accurate readings.

Na običajni pisavi spojev, it may be necessary to remove the bearing cap. Pri sprejemanju odčitke, make sure the universal joint is in a vertical plane. At the rear axle, take readings from a machined surface differential carrier that is in the same plane as the axle pinion shaft, ali obdelano površino, ki je pravokotna na gredi gredi, kar je lažje.

Če pride do vibracij med delovanjem prazna, take readings in empty condition. Če se pojavi, ko so obremenjeni, take readings when loaded. When it is necessary to measure driveline lengths, measure from joint center to joint center

specifikacije proizvajalca, je treba upoštevati, ko bi začetni pregled kotov. Some manufacturers have found it necessary to vary from the ideal due to geometrical limitations. If vibration persists after adhering to manufacturer’s specifications, contact the manufacturer’s representative.

Kotov Pregledi - Vzporedni Prirobnice ali tuljav

  1. Posamezne Vozila Axle
    • kot prenos – Take reading of transmission angle. This angle is the angle to which the rear axle joint angle must match. The transmission angle will have a declination reading of from 0 za 5 stopinj v večini primerov.
      prenosni kot branje
    • kot os. Take reading either from machined surface of axle housing or pinion bearing retainer. This angle must be within one degree of the transmission angle.
      • Primer: If transmission angle reading is 3 degrees down to the rear, the rear axle angle should be 3 stopinj navzgor.
  2. Tandem osi ali vozila s pomožnim enot
    • Bodite prenosnega kota branje.
    • Take reading from joint of front tandem axle or auxiliary joint. This reading should be within one degree of transmission angle.
      • Opomba: The rear joint of front tandem axle will be the same as the front joint.
    • Bodite branje skupnega kota na tandem zadnje osi, or axle to rear of auxiliary. This angle must be within one degree of transmission angle.

Skupna delovna Kotni Omejitve (vzporedno)

Univerzalni spoji imajo največjo delovno kota, odvisno od vrste in proizvodnjo. Priporočljivo je, da je skupna delovna kot za vzporedno zveze, ne presega 8 stopinj za glavne drivelines več kot 40″ dolga. Za glavni drivelines pod 40″ največji kot ne sme presegati Dolžina (L) deljeno s 5. (Ta omejitev ne velja za interaxle drivelines.)

Primer: Za 35″ pogonski sklop, the maximum joint working angle would be 35 plus 5 ali 7degrees. This working angle must not be exceeded.

Place protractor on driveline to obtain angle of driveline from transmission to axle. The difference between the driveline angle and the joint angle is the joint working angle. For instance, če je prenos 3 stopinj navzdol, and the driveline angle is down 7 stopinj, the transmission joint working angle is 7 minus 3 ali 4 stopinj.
Na tandemu pogon ali pomožnih naprav, take readings in the same manner, comparing the universal joint angles to the driveline angle to which it is attached.

Angularity Checks – Non-Parallel Compensating Angles or Flanges or Yokes

S kratkimi kolesnih vozil, ki imajo minimalno dolžino pogonskega sistema s prenosom na osi, prenos moči je potrebno, da deluje skozi zelo hudih delovnih kotov na nekaterih naprav. To velja tudi za interaxle drivelines. Te hude skupna delovna koti povzroči vibracije. Za zmanjšanje delovne kote, os je nagnjena navzgor do sredinske je pastorek gredi in prenos mainshaft središčno sekata vmesna med skupnimi središči.

angularity check

Z tandem pogonske osi, the rearward axle is tilted upward until its pinion shaft centerline and forward axle pinion shaft centerline intersect midway between joint centers.

Ko kipec nevzporednih skupnih naprav, it is necessary to take the driveline angle readings as well as transmission and axle angle readings.

  1. Posamezne Vozila Axle
    • Bodite kota branje prenosa
    • Bodite kota prenos moči
    • Bodite kota branje osi spoja
    • Za izračun za pravilne kote:
      • The difference between the driveline angle and the transmission angle will be the transmission joint working angle.
      • The difference between the driveline angle and the axle angle will be the axle joint working angle.
      • The two working angles of transmission and axle must be equal.
      • Primer:
        prenos je 3 stopinj navzdol
        pogonski sklop je 7.5 stopinj navzdol
        Zadnja os je 12 stopinj navzdol
        tako 7.5 minus 3 je enako 4.5 stopinj
        12 minus 7.5 je enako 4.5 stopinj, giving 4.5 equal working angles
  2. Tandem osi ali vozila s pomožnim enot – When taking readings on tandem drive axles or between auxiliary and rear axle, the same principles apply as with single axle vehicles. Take readings between transmission and front tandem axle, or auxiliary. Take readings between axles or between auxiliary and axle. Z drugimi besedami, take angle readings for each set of universal joints

Skupna delovna Kotni Omejitve (Non-Parallel)

Priporočljivo je, da je največja skupna delovna kot za ne-vzporednih skupnih sklopov ne presega glavne dolžine pogonskega sistema, deljeno s 10. na primer:, če je glavni dolžina Pogonski sklop je 55, maksimalna skupna delovna trupa 55 deljeno s 10 ali 5.5 stopinj. (Ta omejitev ne velja za interaxle drivelines.)

Prilagoditve axle

koti osi se na splošno lahko prilagodi na enega izmed naslednjih načinov, odvisno od vrste osi.

  1. Prilagodite navora palice, če nastavljivo vrste.
  2. Add to or reduce length of non-adjustable torque rods.
  3. Add or reduce the number of shims behind torque rod brackets.
  4. Use correct amount of wedge shims under spring to axle pad.

Izključitve - Pinion gredi Angle

Tam bo malo ali nič sprememba osi gredi kota z vrstami opustitve, ki imajo gibanje paralelograma. Ti omogočajo diferencialne ohišja za premikanje gor in dol v naravnost navpično med delovanjem.
Izključitve nimajo gibanje paralelogram bo os zobatimi kolesci gred niha v loku, s čimer se nenehno spreminja zobniška kota gredi med delovanjem. Različno število vibracij pojavijo lahko z delovnimi koti kardanskih zgibov čemer trenutno neenako povzroča.
vozila Posamezna pogonska gred imajo malo ali nič spremembe os gredi kotom med obratovanjem.

Za priročnike in drugih prostih sredstev obiščite našo prenosov stran

menjalnik za uporabo PDF

diagrami, Priročniki in deli datoteke PDF >>>

Kaj prenos del morate jo imamo! Isti dan ladijskega prometa na voljo, po vsem svetu.

POTREBUJETE brezplačno podporo našemu strokovnjaku?

POKLIČI ZDAJ
EMAIL ZDA