This design is not a trailer, just the suspension system for a trailer. You have clicked a page that seems to be very popular. Tandemaxle walking beam suspension the boler company. Ausgleichshebel or ausgleichhebel links the suspension of two or more adjacent axles of a vehicle with more than two axles, especially railway locomotives. Enter your email address below and press the go button. A cam on the walking beam engages a lever which rotates the escapement in the feeder magazine and. Trailer strength is the first aspect of good trailer design. Hendrickson repair services carrier spring service. Walking beam suspension discussion in the implement alley forum at yesterdays tractors.
There are lots of trucks and trailers with tandem axles, but alas there are a variety of ways to mount the axles. There are a number of software to design a suspension system. Trailer design includes much more than just the cool options you want. The walking beam design is a critical element, it allows the suspension arms to freely articulate around the pivot point, ensuring that the silent ride tandem has full equalization. Alibaba manufacturer directory suppliers, manufacturers. After axle alignments, fit rest of bolts and nuts and tighten all nuts to torque required. Cushion the impact of vocational truck suspension selection for. Walking beams chalmers suspensions international inc. It seems straightforward enough, yet theres more to it. Evaluating heavy truck suspensions for road friendliness and. Again, this system uses two matching torsion axles each of half the capacity desired for the total. Walking beam trailer suspension now for smaller trailers. Im not sure their place would be in climbing 60% slopes, where i would think severe travel would be more important.
Check out the following pages, then youll know a lot more when you go to build or buy your next trailer. Suspension design provides a low center of gravity for increased stability. Smooth ride is not one of their finer points, but they are durable. Walking beam for chalmers 800 series suspension, 54 axle spread, 46k high mount, replaces 800061. Design of three and four link suspensions for off road use. The first three and the fifth apply to all walking beam suspension applications, but the 4th is unique when incorporating torsion axles.
Few are following 1 solid worksfor static design, can calculate the dimension of members a arms springs free length, joints positions and orientations. After a year or so of research, ive finally started my atv trailer build. Development continues but under a new name, smbs is now r ace rapid concept evolution nov 2018. Note use only genuine hendrickson parts for servicing this suspension system. The classic is probably the hendrickson suspension which uses a conventionally spring mounted to the frame, and instead of having an axle bolted to the middle of the spring, a bracket is mounted there to hold a walking beam which has axles on each end of it.
Originally used behind a lawn tractor or 4 wheeler, it is smallish 4x8x1 deep and relatively lightweight with a frame of 1x2 box with 2x2 tongue and walking beam. Free trailer plans new car hauler trailer plans now available building your own trailer can be a challenging and rewarding project and whether you are building a trailer for a specific task in mind or for a general purpose trailer, there will be a design to suit your requirements. The design of the spring in a walking beam suspension determines. At first glance, the walking beam suspension mounts an axle at each end of the rocking beam. Atv trailer plans for a walking beam atv tub trailer. As far as walking beams, i run several cranes with walking beam suspension. Our proprietary specing software is used by our dealer network to help. Oem reference 1 spindle 1 various 2 334580 service kit, trunnion 1 3 321171 bu. Silent ride trailer suspension timbren industries inc.
Ar2 delivers a better ride, longer life, and lighter weight for more payload capacity, improved durability for less downtime, high articulation capabilities for onoff road applications and designed and manufactured components that deliver more comfort and even better system performance. Cushion the impact of vocational truck suspension selection. This project is being built into a prerunner that will eventually be able to hit whoops at high speeds in the desert. An equalising beam, equalising lever or equalising bar german.
From hendrickson beam bushings and tandem bolts to hendrickson walking beams, hendrickson walking beam bushing kits, hendrickson torque rod bushings and hendrickson saddle assemblies. The haulmaax ex suspension geometry is optimized to provide better site rating, increased capacity ranges. Motion index drives walking beam utilizes internal cam technology to transmit linear stroke in two directions. A cam on the walking beam engages a lever which rotates the escapement in the feeder magazine and releases a part each time the walking beam.
The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by. Design of three and four link suspensions for off road use benjamin davis union college schenectady, ny. Walking beams offer articulation to some degree, but in most designs they are somewhat heavy. Retrofitting any hendrickson spring pack, rubber block or solid mount walking beam suspension with an air link takes about 20 hours. Good articulation and so far no trouble in 4 12 years. Walking beam installation below are typical chassis structures and installations of walking beam 5round. Hence, these suspensions are a good choice if your business handles very heavy cargo.
It does appear to give good articulation for off road use and the air would smooth out the ride over a conventional spring walking beam suspension. Plans for a atv utility trailer with a walking beam suspension. Ats has access to a large assortment of oem hendrickson part numbers. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users.
Pcbrake, the personal computer for brake system analysis pcbrake computer programs are based upon brake system design experience, the book brake design and safety is published by the society of automotive engineers sae, the material developed in teaching brake system design and analysis to automotive engineers, safety experts and researchers for over 30 years. Single point suspensions can handle a high load capacity of up to 100 tons. The walking beam has been a preferred option for many makes of trucks that must be operated off the road including freightliner, international, kenworth, peterbilt. Five feet long and four feet wide, and ive opted for a smaller tyrewheel in four 18x8. Hendrickson suspension parts are original replacement suspension parts for hendrickson trucks. I now run hendrickson hn walking beam gives a nice ride and is very stable for triaxle dump work. Advantages for design engineers and special machine builders. Spring and walking beam suspension is a severeduty choice for many 3 and 4axle trailers. Drill and tap a 14 ntp hole centered in the dom tube so you can grease the swivel. A good suspension system is key in any type of automobile, but especially in offroad applications. Hendrickson ar2 air over walking beam truck suspension. Download scientific diagram walkingbeam suspension model for dynamic load.
Link reveals new hd suspension trailer body builders. The hendrickson walking beam suspension has been an industry standard for heavyduty vocational trucks for over 70 years or just a little bit longer than plaza has been in business. Mack swsww walking beam rear suspension mack swsww walking beam rear suspensions mack swsww walking beam rear suspensions key part number description no. Fit walking beam to trailer chassis with 4 bolts and tighten nuts to 200nm for axle alignment see below. Both suspension systems include complete plans and parts detail. Whether taking a vehicle through a slow crawl over rocks where wheel travel and articulation is very important, or through the whoops which was our case with project storm trooper. A tandemaxle walking beam suspension is disclosed which uses bushings of novel design in the bores at opposite ends of the walking beams.
New website design to incorporate the r ace server. A beam axle, rigid axle or solid axle is a dependent suspension design, in which a set of wheels is connected laterally by a single beam or shaft. A second option if you have access to a machine shop is to drill and tap the c1045 rod so the grease nipple is accessible from the side of the trailer. Walking beam conveyor design assembly and motion study. I always favored walking beam or camelback for vocational work but if i was ordering a. What is best software for designing suspension systems. Hendrickson walking beam bushings, hendrickson suspension. Walking beam suspension plans 4k torsion axles, for. Installation instructions for the walking beam interlock. Not real popular anymore with air ride, but they have their place. Tractor drive walkingbeam suspension hendrickson rte 440.
Walkingbeam suspension model for dynamic load simulation. Four different standard series are available to meet customers needs with strokes up to 165. Silent ride trailer suspension timbren distributors. A walking beam will articulate farther on uneven, offroad surfaces. The experimental program found that in phase sinusoidal. These big truck need to be maintained regularly to be able to work daily on the. Beam axles were once commonly used at the rear wheels of a vehicle, but historically they have also been used as front axles in rearwheeldrive vehicles.
To get a first look at what r ace can do, check out the tuning series in the suspension design library. In 1926, hendrickson introduced our first walkingbeam suspension, a concept. The design utilizes two air bags above each walking beam. Tandem walking axles, possibly multibody, tipping trailer. If you own a suspension shop and have the 100 ton press, then you know this is the tool needed for hendrickson walking beam bushing replacements. I used to install walkingbeam bushings in hendrickson suspension systems where the diameter of the sleeve around the center bushing was approximately 6. Vocational heavyduty truck suspensions hendrickson. Lower lateral link, upper reversed aarm, twin trailing links rear a variation on the above. It was all a 50ton hydraulic press wanted to handle to get one of them moving, and progress was a. Although it still has the initial 16 tires that came on the 8 wheels with integral bearings, my. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray.
Adequate strength allows them to carry loads over less than perfect roads. The suspension is also referred to as heavyduty walking beam suspension. Walking beam suspension has a pair of matching torsion axles giving a total capacity range from 2000 lbs up to 4400 lbs. The design of the spring in a walking beam suspension determines several performance characteristics. Links airoverwalkingbeam technology originally was designed to cope with extreme. Spring and walking beam suspension is available in 75,000 lb. They are for utility for a million uses and serve in numerous environments, for years, no. Since the shock impact is absorbed by the air springs, bushing life of four to five years can be expected in severeservice applications, the company says. Carrier spring service has been repairing logging truck since 1979, when we first opened our doors. Bushings bonded rubber bushings are press fitted, allowing the outside of the bushing to be fully engaged in the control arm.
In view of the voluntary program to improve the fuel. The cores of the bushings have projecting ends each of which fits between the bifurcated end of one of the pair of axle bracket arms which straddle one end of each walking beam. The last option, and most commonly used, is a link controlled beam axle suspension design such as the one shown in figure 1 typical rock crawling obstacle. The suspensions are common in trailers designed to carry heavy loads.
Design and engineering notes on combining the benefits of torsion axles with the advantages of a walking beam suspension in a size for smaller trailers. Installation instructions for the walking beam interlock for eaton ehd, fdb, fd, hfd, fdc, fw, hfw, fwc, circuit breakers and molded case switches et eatoncom when the walking beam interlock is used, the wiring troughs in the back of each circuit breaker case are blocked by the plungers and cannot be used for opposite sideexiting pigtail leads. Rogers trailers spring and walking beam suspension. The walking beam suspension is often called the hendrickson suspension. Rebuilt walking beam 54 long 38k center, 38k ends, late style ends, tubular style beam. Upper lateral link, lower parallel links, twin trailing link rear a variation of the reversed lower aarm style. Add a grease nipple to the swivel arm of the walking beam. The rear most track bar will be critical to keep tight and will be taking quite a bit of stress. This is especially important for utility trailers because they are often overloaded or loaded unevenly. The combination of two rubberbushed walking beams connected by a heavy spring has a walking action with increased load stability and positive axle alignment.
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