CN205971565U - Adjustable chassis height's balanced type linkage - Google Patents

Abstract

The utility model discloses an adjustable chassis height's balanced type linkage, including setting up swing arm adjusting device and the balanced type linkage on the automobile body, swing arm adjusting device includes rocker shaft, axle bed, little swing arm, elastomeric element, big swing arm, balanced type linkage is including balanced support, shaft, wheel, back shaft II, and when the moment of torsion of rocker shaft input promoted little swing arm swing, the elastomeric element who articulates on it followed little swing arm swing to make big swing arm use one end articulated suspension support axle rotatory as the axle center, promote other end articulated balanced type linkage, make its position change. The utility model discloses can increase the obstacle climbing ability and the limit for height handling capacity of vehicle, still have the cushioning effect to traveling of vehicle simultaneously.

Description

The balance suspension system of adjustable chassis height

Technical field

This utility model belongs to engineering machinery caterpillar technical field, especially relates to a kind of balance of adjustment height Formula suspension arrangement.

Background technology

In crawler-type carrier vehicle walking mechanism, the height of vehicle chassis has influence on the obstacle climbing ability of vehicle.Conventional Balance suspension system is to be fixed on the suspension strut axle of car body side as axle center with one, hinged one with multigroup bogie wheel and One shared balance bracket and the load-bearing device of elastomeric element composition, balance bracket plays the role of balance swing arm, works as balance When the bogie wheel of support one end runs into barrier and is swung up, balance bracket just makes elastic with other end bogie wheel for fulcrum Part deforms, and produces elastic force, and the suspension strut axle by being connected with balance bracket, acts on car body, so that vehicle exists Relative altitude is kept between ground and car body during traveling.Because conventional balance bracket is directly hinged with suspension strut axle, more During barrier, the height on suspension strut wheelbase ground will determine the obstacle clearing capability of vehicle bottom.Improve the height on suspension strut wheelbase ground Degree can improve the obstacle climbing ability of vehicle, but correspondingly also just improves the total height of vehicle, makes vehicle by there being limitation in height It is restricted when bridge, culvert, how to make endless-track vehicle can either have higher obstacle climbing ability, have relatively low gross vehicle again Highly, problem and the target pursued always present in endless-track vehicle manufacture.

Content of the invention

The purpose of this utility model is, provides a kind of balance suspension system of adjustment height, solves endless-track vehicle Higher obstacle climbing ability can be had at different conditions, or relatively low vehicle total height can be had.

This utility model be employed technical scheme comprise that：A kind of balance suspension system of adjustable chassis height, including setting Put swing arm adjusting means and balance suspension system on car body, described swing arm adjusting means includes rocker shaft, axle bed, little pendulum Arm, elastomeric element, big swing arm, described axle bed is fixed on the side wall of car body, and the spindle nose end of described rocker shaft passes through car body and institute State the supported hole of axle bed, be fixed on one end of little swing arm, the other end of little swing arm passes through one end of bearing pin and described elastomeric element Hinged, the other end of elastomeric element passes through support shaft I symmetrically hinged two big swing arms, and one end of two big swing arms is all articulated with axle On suspension strut axle on seat；Described balance suspension system includes balance bracket, wheel shaft, wheel, support shaft II, balance bracket Two ends one wheel shaft is respectively set, each wheel shaft two ends respectively arranges a wheel, arranges a support shaft in the middle part of balance bracket II, support shaft II two ends are hinged with two symmetrical big swing arms in described swing arm adjusting means.

When the moment of torsion of rocker shaft input promotes little swing arm to swing, the elastomeric element being hinged on above it can follow little swing arm Swing.So that big swing arm is rotated with the hinged suspension strut axle in one end for axle center, the hinged balanced type of the other end is promoted to hang Device, makes its position change, if multiple suspension arrangements of vehicle change simultaneously, the overall height of vehicle will occur Change.

So, hang dress when the moment of torsion of the rocker shaft input in swing arm adjusting means acts on balanced type by elastomeric element Put, make its swung downward, the height away from ground for the chassis of vehicle body increases, and the obstacle climbing ability of vehicle increases；Similarly, work as rocking bar The moment of torsion of axle input makes balance suspension system be swung up by elastomeric element, and the height away from ground for the chassis of vehicle body reduces, car Total height just reduces therewith, and then the limit for height handling capacity of vehicle increases.

The invention has the beneficial effects as follows：

Obstacle climbing ability and the limit for height handling capacity of vehicle can be increased, simultaneously because the big swing arm of adjustable height of the carbody and elasticity Part is hinged, makes described invention device also have cushioning effect to the traveling of vehicle.

Brief description

Fig. 1 is the balance suspension system front view of adjustable chassis height after car body of the present invention reduces highly；

Fig. 2 is the balance suspension system left view of adjustable chassis height after car body of the present invention reduces highly；

Fig. 3 is the balance suspension system front view of adjustable chassis height after car body increase of the present invention highly.

In figure, 1. car body, 2. rocker shaft, 3. axle bed, 4. little swing arm, 5. elastomeric element, 6. big swing arm, 7. balance Support, 8. wheel, 9. bearing pin, 10. support shaft I, 11. support shafts II, 12. wheel shafts.

Specific embodiment

With reference to the accompanying drawings and detailed description this utility model is described in detail.

With reference to Fig. 1 Fig. 3, the balance suspension system of adjustment height described in the utility model, including car body 1, it is arranged on Swing arm adjusting means on described car body 1, and balance suspension system.

Described swing arm adjusting means includes rocker shaft 2, axle bed 3, little swing arm 4, elastomeric element 5, big swing arm 6.

Specifically, described axle bed 3 is fixed on the side wall of described car body 1, and the spindle nose end of described rocker shaft 2 passes through car body 1 and the supported hole of described axle bed 3, it is fixed on one end of described little swing arm 4, the other end of little swing arm 4 passes through bearing pin 9 and described bullet Property part 5 one end formed hinged relationship, the hinged described support shaft I 10 of the other end of elastomeric element 5, support shaft I 10 two ends pair Claim hinged two described big swing arms 6, one end of two big swing arms 6 is all articulated with the suspension strut axle on axle bed 3.To sum up institute State, if described elastomeric element 5 is regarded as rigid body, described swing arm adjusting means can regard a double rocking lever movement device as, Drive crank is described little swing arm 4, and driven rocking bar is described big swing arm 6, and connecting rod is described elastomeric element 5, drive crank and from The fulcrum shaking bar is two axle center of described axle bed 3.

Described balance suspension system includes balance bracket 7, wheel 8, support shaft 11, wheel shaft 12.

Specifically, the two ends of balance bracket 7 respectively arrange a described wheel shaft 12, each setting one again of each wheel shaft 12 two ends Individual described wheel 8, in balance bracket 7 one described support shaft II 11 of middle part setting, support shaft II 11 two ends are adjusted with described swing arm In regulating device, two symmetrical big swing arms 6 are hinged.

Acted on by external force in one end swing arm of described rocker shaft 2, from figure, position a is rotated in place b, with rocker shaft 2 The little swing arm 4 that spindle nose end is connected is followed it and is rotated, and promotes elastomeric element 5 to move by the bearing pin 9 hinged with it, elastomeric element 5 pass to two hinged big swing arms 6 of its two ends by I 10 external force of support shaft, and two big swing arms 6 can be with the hinged axle in one end Suspension strut axle on seat 3 is axle center, and swung downward in the presence of external force drives by hinged described of support shaft II 11 Balance suspension system, makes balance suspension system integrally move downward.Thus producing thrust to ground, car body is made to transport upwards Dynamic, and form the support to car body.

Similarly, one end swing arm in described rocker shaft 2 is acted on by external force, and from figure, position b is rotated in place a, and two Individual big swing arm 6 is just swung up in the presence of external force, drives described balance suspension system integrally to move upwards.Car body is made to drop Low clearance, and form the support to car body.

No matter one end swing arm on the diagram position a, b of described rocker shaft 2 and any one position between them are motionless When, the position of two big hinged elastomeric elements of swing arm 65 will not change, and the elastic anchorage force providing is also constant, can make accordingly The relative position of balance suspension system and car body keeps constant, so vehicle chassis and ground is highly stable constant.

On the endless-track vehicle of the balance suspension system using multiple described adjustable chassis height, if one of them can The balance suspension system adjusting chassis height raises or falling head because ground is uneven, and its two are big, and swing arm 6 will be compressed Or elongation and its hinged elastomeric element 5, elastomeric element 5 absorbs or discharges elastic energy, can reduce the flat of adjustable chassis height Weighing apparatus formula suspension arrangement rises and falls impact to chassis of vehicle body height, so that endless-track vehicle is vibrated and reduces, and makes the vehicle can be scraggly Road surface held stationary travels.

Above an embodiment of the present utility model is described in detail, but described content is only of the present utility model Preferred embodiment is it is impossible to be considered for limiting practical range of the present utility model.All made according to this utility model application range Impartial change and improvement etc., all should still belong within patent covering scope of the present utility model.

Claims (1)

1. a kind of balance suspension system of adjustable chassis height it is characterised in that：Including being arranged on car body（1）On swing arm adjust Regulating device and balance suspension system, described swing arm adjusting means includes rocker shaft（2）, axle bed（3）, little swing arm（4）, elasticity Part（5）, big swing arm（6）, described axle bed（3）It is fixed on car body（1）Side wall on, described rocker shaft（2）Spindle nose end pass through Car body（1）And described axle bed（3）Supported hole, be fixed on little swing arm（4）One end, little swing arm（4）The other end pass through bearing pin （9）With described elastomeric element（5）One end hinged, elastomeric element（5）The other end pass through support shaft I（10）Symmetrically hinged two Big swing arm（6）, two big swing arms（6）One end be all articulated with axle bed（3）On suspension strut axle on；Described balanced type hangs dress Put including balance bracket（7）, wheel shaft（12）, wheel（8）, support shaft II（11）, balance bracket（7）One wheel of each setting in two ends Axle（12）, each wheel shaft（12）Two ends respectively arrange a wheel（8）, in balance bracket（7）One support shaft II of middle part setting （11）, support shaft II（11）Two ends and two symmetrical big swing arms in described swing arm adjusting means（6）Hinged.