Bogie frame is a y frame fabricated and machined structure. Heavy duty suspension extremely rigid suitable for off road vehicles operating in rough terrain. Multibody models of railway vehicles have nonlinear properties originated f. An assembly for supporting and driving a vehicle with a crawler track has the track chain engaged on a pair of spaced apart idler wheels and a drive sprocket situated between the idlers and upwardly therefrom whereby the chain is maintained in a triangular configuration with the sprocket and drive elements situated well above the abrasive conditions at ground level, the entire assembly being. Study on bogie and suspension system of an electric. Pdf a lateral active suspension for conventional railway. Lets have a look at some of its remarkable qualities. The rockerbogie suspension system from last year remains relatively the same from last year. Study on bogie and suspension system of an electric locomotive wap4 1. Most of the rover designs have been developed for mars and moon surface in order to understand the geological history of the soil and rocks.
Bogie y25 pdf amaryl lids to download pdf you need. In this article, well explore how car suspensions work, how theyve evolved over the years and where the design of suspensions is headed in the future. They can be connected to just about any type of suspension system listed on this page. T railway technology today 5 edited by kanji wako how. Its most remarkable advantage is its obstacle climbing capability. What are the reasons behind using rocker bogie suspensions. Bogie suspension design is a complex and difficult science which has evolved over many years. Mar 20, 2019 amaryl lids to download pdf you need some things, like my website and the name of the file. This is a rocker bogie suspension much like the ones found on mars rovers that balances itself using a combination of a differential in the center and two pivoting bogies, or bars with wheels on either end. Fiat bogie free download as powerpoint presentation. Pdf the present paper analyzes the dynamics of a conventional bogie in.
Simple dof of a single body 3 linear shuttling lurching bouncing 3 rotational rolling pitching nosing or yaw 9. The challenge posed by mer was to design a lightweight rockerbogie suspension that would permit the mobility to stow within the limited space available and deploy into a configuration that the rover could then safely use to egress from the lander and explore the martian surface as proposed by b. Read online sc 20 08 introduction of lpk 2523tc with 37t tml bogie. Design and implementation of a rockerbogie suspension for. Introduction handbook on fiat bogie fq,v cksxh ij fq,v. This system allows for better maneuverability both during motion and in place. The rocker bogie suspension design has become a proven mobility application known for its superior. Based on the structure of the suspension gear, bogies are classified into two types.
Dec 09, 2019 the primary suspension in an icf coaches is through a dashpot arrangement. Design and implementation of a rockerbogie suspension for a. International open access journal of modern engineering research ijmer ijmer issn. One of the constant areas of improvement in the design of highspeed bogies has been with weight reduction, which has been essential in. Pdf behaviour analysis of a conventional bogie and optimization. Y25 bogie, y25 bogie suppliers and manufacturers at. Design and terramechanics analysis of a mars rover. Railroad terminology refers to the most widely distributed bogie type in north america as the threepiece bogie. Amaryl lids to download pdf you need some things, like my website and the name of the file. Optimizing wheel profiles and suspensions for railway vehicles. I had to weld the arms to the hubs to keep everything together ubiozur welding ltd. The rocker bogie suspension system from last year remains relatively the same from last year. In order to maximize their maneuverability during the competition, the students set a design criteria of being able to traverse any of the prescribed obstacles in the mining arena. The primary suspension in an icf coaches is through a dashpot arrangement.
Design and terramechanics analysis of a mars rover utilising. The influence of the longitudinal suspension stiffness on the critical speed of the bogie is ascertained for straight and curved track type. Following several technology and research rover implementations, the system was successfully flown as part of mars pathfinder s sojourner rover. The movement of the vehicle is made possible through rockerbogie suspension. This suspension system will help the vehicle to move into the fire hazard zone crossing over the obstructions in the quicker way. The challenge posed by mer was to design a lightweight rocker bogie suspension that would permit the mobility to stow within the limited space available and deploy into a configuration that the rover could then safely use to egress from the lander and explore the martian surface as proposed by b. Over the past decade, the rockerbogie suspension design has become a proven mobility application known for its superior vehicle stability and obstacleclimbing capability. The foremost being that, since the brake cylinder is mounted on the bogie frame itself and is nearer to the brake beam, the brake application time is reduced. All k suspensions are available in both normalheight and loweredheight versions. One design characteristic that was important is that each side of the suspension can be placed on the other side without alteration.
A bogie bolster is the central section of the bogie that carries the entire weight of a coachs under frame. Robotic fire extinguishing vehicle with rocker bogie. The wagon weight is transferred to the track through vehicles suspension system that has essential role in the behaviour of wagon. Generic representation of primary suspensions of rail vehicles. The rockerbogie system is the suspension arrangement developed in 1988 for use in nasas mars rover sojourner, and which has since become nasas favored design for rovers. Estimation of bogie performance criteria through onboard. This allows them to be removed, twisted round a few splines and reinserted, which can be used to raise or lower a car, or to compensate for the natural sag of a suspension system over time. Green berets ultralight bug out bag with gear recommendations duration.
Pdf application of a multistage bogie suspension system to the. Us3841424a triangular track resilient bogie suspension. The job of a car suspension is to maximize the friction between the tires and the road surface, to provide steering stability with good handling and to ensure the comfort of the passengers. Standard rockerbogie suspension mechanism, which has been developed in the late 1990s, has excellent weight distribution for different positions on rough terrain. Note that rocker bogie, the current redirect target, is only one narrow part of this.
Effect of suspension system in the lateral stability of. The main actions conducted to reduce the unsprung masses and the gross weights were aimed at the following main components. International journal of advance research and innovative ideas in education 3. Bogie suspension covering offroad trucks and other road vehicle suspension using a vertically swivelling bogie. Jan 15, 2020 the bogie is comprised of wheelset and bearing, bolster assembly, side frame assembly, elastic suspension device and damping device, constant contact side bearing and brake rigging, etc. Railway technical web pages archive page vehicle suspension systems introduction almost all railway vehicles use bogies trucks in us parlance to carry and guide the body along the track. All books are in clear copy here, and all files are secure so dont worry about it. Using the uncontrolled rotatron for the bogie pivot. In addition to its relatively simple structure, it has the advantage of decreasing the impact of track irregularities on the railcar at the car suspension point, in comparison to the singleaxle bogie which transmits the impact to the car directly fig.
Effect of the axlebox arrangement of the bogie and the primary suspension parameters on the rail corrugation at the sharp curve metro track. Sourcing guide for bogie y coil spring suspension damping. Rocker bogie suspension with frc components 3d cad model. Introduction handbook on fiat bogie fq,v cksxh ij fq,v cksxh. Bachelor thesis investigation and classification of bogie designs. These are modular suspensions that allow combinations of 2 tandem, 3 tridem and more axles.
Pdf download for stability and bifurcation analysis of the nonlinear. Sheet 8 bf 7 paienieonm 1 sum sheet 7 bf 7 triangular track resilient bogie suspension this is a. Recent progress in the development of railway vehicle bogies and other forms of. Note that rockerbogie, the current redirect target, is only one narrow part of this. Figure 19 suspension and wheelset guiding of an y25 bogie. Pdf a lateral active suspension for conventional railway bogies. A freight rail bogie is the main vehicle connecting the freight rail car body to the rail. Effect of the axlebox arrangement of the bogie and the primary. Aug 12, 2019 icf bogie pdf bogie bolster suspension. Jan 09, 20 green berets ultralight bug out bag with gear recommendations duration. Bogie y25 pdf europe, after the first half of the last century, as a result of the enhancement of the unification trends for railway components, the bogie y25 fig. The rocker bogie system is the suspension arrangement developed in 1988 for use in nasas mars rover sojourner, and which has since become nasas favored design for rovers. It has been used in the 2003 mars exploration rover mission robots spirit and opportunity, on the 2012 mars science laboratory msl missions rover curiosity, and is slated for use in the mars 2020 rover. Article information, pdf download for steering and stability of the bogie.
Download sc 20 08 introduction of lpk 2523tc with 37t tml bogie. Typical freight rail cars utilize two bogies underneath the car body to carry the lading. Some of the significant steps in progress are described here. The core of the mechanism is a planetary gear train, its transmission ratio. Icf bogie free download as powerpoint presentation.
Bogie assembly free download as powerpoint presentation. Primary, between axle box and bogie frame and secondary, between bogie frame and bolster. Jul 21, 2015 most of the rover designs have been developed for mars and moon surface in order to understand the geological history of the soil and rocks. The core of the mechanism is a planetary gear train, its transmission ratio is obtained by optimizing suspension parameters.
Design an active reconfigured suspension based on traditional rockerbogie suspension, it can stand up autonomously, wheellegged move and lift wheel up. Introduction handbook of fiat bogie 1 fq,v cksxh fiat bogie 1. Stability and bifurcation analysis of the nonlinear railway bogie. In this study the application of innovative multistage bogie suspension system to a rough terrain vehicle and effects of changing the. Over the past decade, the rocker bogie suspension design has become a proven mobility application known for its superior vehicle stability and obstacleclimbing capability. The challenges of designing the rockerbogie suspension for. May, 2014 study on bogie and suspension system of an electric locomotive wap4 1. The term rocker comes from the rocking aspect of the links on each side of the suspension system. Train bogie kz4a suspension yaw damper supplies used for kazakhstan rolling stock.
A little project that i was working on a couple days ago. Bogie y25 pdf amaryl lids to download pdf you need some. Four nested springs for primary suspension and two. Bogie frame bolster of wap 4 locos this flexi coil bogie marki has two stages of vertical suspension in which helical spring have been used at primary and secondary stages. A lateral active suspension for conventional railway bogies article pdf available in vehicle system dynamics 471. New design, mostly similar to rockerbogie suspension system, has a natural advantage with linear bogie motion which protects the whole system from getting rollover during. Mar 30, 2020 download sc 20 08 introduction of lpk 2523tc with 37t tml bogie. Design an active reconfigured suspension based on traditional rocker bogie suspension, it can stand up autonomously, wheellegged move and lift wheel up. The challenges of designing the rockerbogie suspension. Rocker bogie suspension has all the qualities needed for traversing the extremely uneven surfaces.
763 725 813 39 1377 167 1287 274 1047 994 1611 1133 164 135 1337 90 1478 1566 1241 619 1425 1287 1617 265 657 110 1190 1554 1325 1030 1269 813 638 860 1370 42 755 811 276 636 1218 258