Mae trelars cludo trwm yn cynnwys cerbydau sydd â hongiad hydrolig yn bennaf, a modiwl echel yw'r term cryno ar gyfer trelar gwely gwastad hydrolig modiwlaidd, y cyfeirir ato'n syml fel modiwl echel.

Dechreuodd datblygiad modiwlau echel dramor tua chanol yr 20fed ganrif. Datblygwyd y trelar modiwlaidd cyntaf ym 1949, yn cynnwys ataliad llywio ac iawndal llwyth echel, gyda system fecanyddol. Ym 1957, datblygwyd y math hydrolig.

Early axle modular vehicles

 

 

Axle modules are mainly used for road transport and short-distance transshipment, such as at ports, shipyards, industrial projects, or infrastructure construction sites. They offer advantages such as independent hydraulic suspension, adjustable cargo deck height, mechanically or hydraulically steered axles, and modular expandability. These features have quickly made them an important category of specialized transport vehicles, forming the cornerstone of heavy-duty transport. Currently, the largest axle modules have successfully transported industrial equipment weighing over 30,000 tons. Their carrying capacity is unmatched by any other equipment.

Gellir dosbarthu modiwlau echel yn ôl nodweddion strwythurol fel a ganlyn:

 

1.By math llywio:

Longitudinal link dedicated type
Math pwrpasol cyswllt hydredol
Longitudinal-to-transverse linkage type
Math o gysylltiad trawsdoriadol{0}i-hydredol
Transverse-to-longitudinal linkage type
Trawsnewid{0}}i-math o gysylltiad hydredol
Independent steering axle module
Modiwl echel llywio annibynnol

2.By math ataliad:

Turntable-type swing arm suspension
Trofwrdd-teipiwch ataliad braich swing
Vertical shaft swing arm suspension
Siafft fertigol siglen braich ataliad
Vertical shaft equalizing arm suspension
Siafft fertigol cyfartalu ataliad braich

 

 

 

 

3. Yn ôl math o strwythur ffrâm:

Plug-in type
Plygiwch{0}}mewn math
Articulated type
Math cymalog

 

 

Mae'r cyfuniad o'r mathau strwythurol uchod yn ffurfio'r amrywiaeth eang o drelars modiwlaidd echel a welwn heddiw.

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