CN204196621U - A kind of Large Electric wheel quarry tipper - Google Patents
A kind of Large Electric wheel quarry tipper Download PDFInfo
- Publication number
- CN204196621U CN204196621U CN201420587201.1U CN201420587201U CN204196621U CN 204196621 U CN204196621 U CN 204196621U CN 201420587201 U CN201420587201 U CN 201420587201U CN 204196621 U CN204196621 U CN 204196621U
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- Prior art keywords
- suspension
- large electric
- quarry tipper
- hinge
- electric wheel
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Abstract
The utility model discloses a kind of Large Electric wheel quarry tipper, belong to technical field of vehicle.The front suspension of this Large Electric wheel quarry tipper is McPherson suspension, McPherson suspension is the combination of swing arm type and candle type suspension, its compact conformation, during wheel bounce, Front wheel Alignment Parameters change is little, compared with dependent front suspension form, unsprung weight is little, has good riding comfort and road-holding property, improves the service life of the framing member such as vehicle body, suspension and tire; Compared with double cross arm independent suspension form, its hinge-point is few, simple and reliable for structure, and installation and maintenance are convenient, decreases Large Electric wheel quarry tipper maintenance cost; Compared with candle type suspension, suffered by wheel, side force major part is born by lower trailing arm, and the side force that hanging oil cylinder is born reduces, and cylinder seal and orienting sleeve are not easily worn, and improve the service life of hanging oil cylinder.
Description
Technical field
The utility model relates to technical field of vehicle, particularly a kind of Large Electric wheel quarry tipper.
Background technology
In colliery and iron ore strip mining transformation, Large Electric wheel quarry tipper is main force's transportation device.Because its travel main line mostly is grade road, mine, branch line and shoofly mostly are the mixing of rubble earth, surface relief injustice, many dirt or muddy non-hierarchical road, and bad environments, therefore, it has higher requirement to road-holding property and ride comfort.
The front suspension of Large Electric wheel quarry tipper of the prior art mostly is candle formula, double-pendulum arms suspension and dependent suspension etc., and McPherson suspension is because parameter designing difficulty is large and wheelspan changes the shortcoming such as greatly, never can takes turns on quarry tipper in Large Electric and be applied.
Utility model content
In order to solve the problem, the utility model proposes a kind of Large Electric wheel quarry tipper applying McPherson suspension.
The front suspension of the Large Electric wheel quarry tipper that the utility model provides is McPherson suspension.
As preferably, described McPherson suspension comprises and hangs cylinder barrel, piston rod and lower trailing arm, hangs cylinder barrel, keystone configuration composition that piston rod is pneumatic cylinder.Described suspension cylinder barrel is articulated with the vehicle body of described dumping car, and described piston rod one end is fixedly connected on the wheel shaft of described dumping car, and the other end coordinates with described suspension cylinder barrel, and described lower trailing arm is articulated with the vehicle body of described piston rod and dumping car simultaneously.
As preferably, also comprise the first oscillating bearing, described suspension cylinder barrel is articulated with the vehicle body of described dumping car by described first oscillating bearing.
As preferably, described lower trailing arm has three hinge-points, be respectively the first hinge-point, the second hinge-point and the 3rd hinge-point, described first hinge-point is used for hinged described piston rod, and described second hinge-point and the 3rd hinge-point are used for the vehicle body of hinged described dumping car.
As preferably, described lower trailing arm is hollow V beam form, and junction adopts rounding off, and described three hinge-points are in the corner of described hollow V beam form respectively.
As preferably, also comprise second joint bearing, described first hinge-point passes through described second joint bearing hinge connection in described piston rod.
As preferably, described lower trailing arm is high-strength pressure-bearing casting.
As preferably, also comprise position-limited lever, in the middle of described piston rod, offer blind hole, described blind hole top is fixedly connected with top board, described top board offers through hole, and described position-limited lever one end is fixedly connected on described cylinder barrel, and the other end is arranged in described through hole and described blind hole.
As preferably, described position-limited lever is in " work " font, it is fixedly connected on described cylinder barrel by upper horizontal part, lower horizontal part is placed in described blind hole, the diameter of described lower horizontal part is less than the internal diameter of described blind hole, and the diameter of described through hole is greater than the diameter of described upper horizontal part and is less than the diameter of described lower horizontal part.
As preferably, also comprise cylinder sleeve, described cylinder sleeve fixed cover is located between described lower trailing arm and the wheel shaft of dumping car.
The front suspension of the Large Electric wheel quarry tipper that the utility model provides is McPherson suspension, McPherson suspension is the combination of swing arm type and candle type suspension, its compact conformation, during wheel bounce, Front wheel Alignment Parameters change is little, compared with dependent front suspension form, unsprung weight is little, has good riding comfort and road-holding property, improves the practical life of the framing member such as vehicle body, suspension and tire; Compared with double cross arm independent suspension form, its hinge-point is few, simple and reliable for structure, and installation and maintenance are convenient, decreases Large Electric wheel quarry tipper maintenance cost; Compared with candle type suspension, suffered by wheel, side force major part is born by lower trailing arm, and the side force that hanging oil cylinder is born reduces, and cylinder seal and orienting sleeve are not easily worn, and improve the service life of hanging oil cylinder.
Accompanying drawing explanation
The McPherson suspension applied in the Large Electric wheel quarry tipper that Fig. 1 provides for the utility model embodiment and the connection structure schematic diagram of wheel;
The Large Electric that Fig. 2 provides for the utility model embodiment takes turns the structural representation descending trailing arm in the McPherson suspension applied in quarry tipper;
Fig. 3 is the partial schematic sectional view of Fig. 1;
Fig. 4 takes turns in the McPherson suspension applied in quarry tipper for the Large Electric that the utility model embodiment provides, and hangs the cross-sectional schematic of cylinder barrel and piston rod;
The point position schematic diagram of the McPherson suspension applied in the Large Electric wheel quarry tipper that Fig. 5 provides for the utility model embodiment;
The force analysis sketch of the McPherson suspension applied in the Large Electric wheel quarry tipper that Fig. 6 provides for the utility model embodiment;
The roll center sketch of the McPherson suspension applied in the Large Electric wheel quarry tipper that Fig. 7 provides for the utility model embodiment;
The trim center sketch of the McPherson suspension applied in the Large Electric wheel quarry tipper that Fig. 8 provides for the utility model embodiment;
The illustraton of model obtained after the McPherson suspension applied in the Large Electric wheel quarry tipper that Fig. 9 provides for the utility model embodiment uses ADAMS rigid multibody dynamics simulation software to carry out dynamics simulation.
Detailed description of the invention
In order to understand the utility model in depth, below in conjunction with drawings and the specific embodiments, the utility model is described in detail.
The front suspension of the Large Electric wheel quarry tipper that the utility model provides is McPherson suspension.
The front suspension of the Large Electric wheel quarry tipper that the utility model provides is McPherson suspension, McPherson suspension is the combination of swing arm type and candle type suspension, its compact conformation, during wheel bounce, Front wheel Alignment Parameters change is little, compared with dependent front suspension form, unsprung weight is little, has good riding comfort and road-holding property, improves the service life of the framing member such as vehicle body, suspension and tire; Compared with double cross arm independent suspension form, its hinge-point is few, simple and reliable for structure, and installation and maintenance are convenient, decreases Large Electric wheel quarry tipper maintenance cost; Compared with candle type suspension, suffered by wheel, side force major part is born by lower trailing arm, and the side force that hanging oil cylinder is born reduces, and cylinder seal and orienting sleeve are not easily worn, and improve the service life of hanging oil cylinder.
See accompanying drawing 1 ~ 3, as a kind of concrete implementation of McPherson suspension, the McPherson suspension that the Large Electric wheel quarry tipper that the utility model embodiment provides is applied mainly comprises suspension cylinder barrel 2, piston rod 3 and lower trailing arm 6, and suspension cylinder barrel 2 and piston rod 3 are the main composition structure of pneumatic cylinder.Hang the vehicle body (not shown) that cylinder barrel 2 is articulated with dumping car, piston rod 3 one end is fixedly connected on the wheel shaft 4 (label is 8 wheels being depicted as dumping car) of dumping car, the other end coordinates with suspension cylinder barrel 2, and lower trailing arm 6 is articulated with the vehicle body (not shown) of piston rod 3 and dumping car simultaneously.
See accompanying drawing 1, the McPherson suspension that the Large Electric wheel quarry tipper that the utility model embodiment provides is applied also comprises the first oscillating bearing 1, hang cylinder barrel 2 is articulated with dumping car vehicle body (not shown) by the first oscillating bearing 1, thus meet the motion characteristics of McPherson suspension.
See accompanying drawing 2, lower trailing arm has three hinge-points, be respectively the first hinge-point 22, second hinge-point and the 3rd hinge-point 5, first hinge-point 22 for Hinged piston bar 3, second hinge-point and the 3rd hinge-point 5 vehicle body (not shown) for hinged dumping car.
See accompanying drawing 2, lower trailing arm 6 is hollow V beam form, junction adopts rounding off, three hinge-points 22 and 5 are in the corner of hollow V beam form respectively, wherein, hollow V beam form junction adopts the effect of rounding off to be the inefficacy of concentrating in order to avoid stress and producing, thus extends the service life of lower trailing arm 6.
See accompanying drawing 3, the McPherson suspension that the Large Electric wheel quarry tipper that the utility model embodiment provides is applied also comprises second joint bearing 11, first hinge-point 22 is articulated with piston rod 3 by second joint bearing 11, thus meets the motion characteristics of McPherson suspension.In the present embodiment, second joint bearing 11 adopts the first pressing plate 13, second pressing plate 15, bolt 12 and bolt 14 to be fixed on piston rod 3.
Wherein, lower trailing arm 6 is high-strength pressure-bearing casting, and in the case, even if side force major part is born by lower trailing arm 6 suffered by wheel 8, it is also unlikely to due to stressed excessive and lost efficacy.
See accompanying drawing 4, the McPherson suspension that the Large Electric wheel quarry tipper that the utility model embodiment provides is applied also comprises position-limited lever 18, blind hole is offered in the middle of piston rod 3, blind hole top is fixedly connected with top board 20, and (in the present embodiment, the top board 20 that blind hole top is fixedly connected with is realized by screw 19.), top board 20 offers through hole, and position-limited lever 18 one end is fixedly connected on cylinder barrel 2, and (in the present embodiment, position-limited lever 18 is positioned at the roof 16 of cylinder barrel 2 with the junction of cylinder barrel 2, in the present embodiment, position-limited lever 18 is realized by screw 17 with the junction of cylinder barrel 2.), the other end to be arranged in through hole and to form sliding pair with blind hole sidewall 21.One end due to this position-limited lever 18 is fixedly connected on cylinder barrel 2, relative motion is not had between this position-limited lever 18 and cylinder barrel 2, when producing relative motion between piston rod 3 and position-limited lever 18, due to the effect of position-limited lever 18, the range of this piston rod 3 can only be S as shown in Figure 4, both ensured that piston rod 3 only moved in the effective travel of cylinder barrel 2, and can prevent again piston rod 3 and cylinder barrel 2 from press-offing.The object offering blind hole in the middle of piston rod 3 makes piston rod 3 become hollow structure, except meeting except the functional requirement of pneumatic cylinder, the quality of piston rod 3 can also be reduced, thus reduce the unsprung weight of whole McPherson suspension, and then ensure that the Large Electric wheel quarry tipper that the utility model embodiment provides has good riding comfort and road-holding property.
See accompanying drawing 4, position-limited lever 18 is in " work " font, it is fixedly connected on cylinder barrel 2 by upper horizontal part, lower horizontal part is placed in blind hole, the diameter of lower horizontal part is less than the internal diameter of blind hole, now, require that the diameter of the through hole that top board 20 is offered is greater than the diameter of horizontal part on this position-limited lever 18 and is less than the diameter of this position-limited lever 18 times horizontal parts, such design be in order to make this cylinder barrel 2 and piston rod 3 easy to assembly, during assembling, first the lower horizontal part of position-limited lever 18 is extend in the blind hole of piston rod 3, then, diameter due to the through hole that top board 20 is offered is greater than the diameter of horizontal part on position-limited lever 18, therefore, top board 20 can be set to the vertical portion of position-limited lever 18 from the upper horizontal part of position-limited lever 18.Diameter due to the through hole that top board 20 is offered is less than the diameter of position-limited lever 18 times horizontal parts, and when piston rod 3 drives top board 20 to slide, the range of top board 20 can only be S, and namely top board 20 can not cross the lower horizontal part of position-limited lever 18.In addition, the edge of the upper horizontal part of position-limited lever 18 is the space that mounting screw 17 has been reserved in the connection of itself and cylinder barrel 2 roof 16.
See accompanying drawing 3, the McPherson suspension that the Large Electric wheel quarry tipper that the utility model embodiment provides is applied also comprises cylinder sleeve 10, cylinder sleeve 10 fixed cover to be located between lower trailing arm 6 and the wheel shaft 4 of dumping car (in the present embodiment, because lower trailing arm 6 first hinge-point 22 bottom is provided with track arm 7 by screw 9 fixed cover, cylinder sleeve 10 fixed cover is located between track arm 7 and lower trailing arm 6 first hinge-point 22), the object of introducing cylinder sleeve 10 is the distances for reserving the height being equivalent to cylinder sleeve 10 between track arm 7 and lower trailing arm 6, thus avoid the interference between track arm 7 and lower trailing arm 6, in addition, cylinder sleeve 10 self also can provide strength support.
See the hinge-point that accompanying drawing 5 and accompanying drawing 6:A, B are lower trailing arm and vehicle body, D point is suspension cylinder and vehicle body hinge-point, and C point is suspension cylinder piston rod and lower trailing arm hinge-point, G point position wheel center.In fig. 1, the angle of DC line and XZ plane is McPherson suspension Kingpin inclination angle, the angle of DC line and YZ plane is McPherson suspension kingpin caster angle, and the angle of wheel and XZ plane is camber angle, and both sides wheel tracks is wheelspan variable quantity from variable quantity.
Force analysis: Dz and Dy is that vehicle body is delivered to power on suspension cylinder along hanging cylinder axis and the component with axes normal direction, N be in the face of the reaction of bearing of wheel.
To C point factored moment: D
y× L=N × a
To D point factored moment: E
y× c1=R
y× c
f
AB×Lcos(α+β)＝N(a+Lsinα)
And: E
y=E
y+ R
y
Can be tried to achieve by above formula:
Ey is the transverse force between cylinder barrel and piston rod, and transverse force is larger, and the friction force acted on orienting sleeve is also larger, unfavorable to automobile ride.C1 is shorter for piston rod protruded length, friction force on piston is less, therefore in order to reduce friction, improve vehicle running smoothness, the length of L should be increased, or reduce the distance of a, main pin axis gradient can be made like this to become large, cause the problem of difficult arrangement, wheel orientation angle and wheelspan variable quantity also can increase.
See accompanying drawing 7, the roll center sketch of McPherson suspension, 0 is roll center, ho is height of roll center, and in McPherson suspension, the line of automotive front and rear portion roll center is called roll axis, roll axis should be roughly parallel to the ground, and higher as far as possible.Roll axis is roughly parallel to the ground is in order to the axle load change on the axle when curve driving is close to equal, high as far as possible, be to make the inclination of vehicle body be limited in allowed band, improve road-holding property, therefore when carrying out McPherson suspension point position and determining, ho should be increased, combine with rear suspension design simultaneously, make roll axis parallel to the ground.
See accompanying drawing 8, in the trim center sketch of McPherson suspension, V point is roll center, and θ is casterangle, and θ angle is larger, goes all out larger, should strengthen when McPherson suspension designs as far as possible before anti-.McPherson suspension increases casterangle can by the height of point of connection after the lower trailing arm of raising and vehicle body, and two attachment points by lower trailing arm are arranged and become low early and high after, effectively can improve the anti-ability of leaning forward of automobile.
Analyze in conjunction with above, and use ADAMS rigid multibody dynamics simulation software to carry out dynamics simulation, determine McPherson suspension point position.Dynamics Simulation Model as shown in Figure 9.First rule of thumb the initial value in McPherson suspension point position is set, method of iteration is adopted to be optimized McPherson suspension point position parameter, optimization principles comprises: in wheel bounce stroke range, and the variable quantity of the Kingpin inclination angle of McPherson suspension, camber angle, kingpin caster angle, wheelspan is the smaller the better; Reduce the transverse force between cylinder barrel and piston rod; Spot optimization is carried out in conjunction with mining dump truck with electric wheels space structure; Carry out parameter in conjunction with roll center and trim center to determine.Finally draw the McPherson suspension point position parameter meeting Large Electric wheel quarry tipper performance requriements.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only detailed description of the invention of the present utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a Large Electric wheel quarry tipper, it is characterized in that, the front suspension of described dumping car is McPherson suspension.
2. Large Electric wheel quarry tipper according to claim 1, it is characterized in that, described McPherson suspension comprises suspension cylinder barrel, piston rod and lower trailing arm, described suspension cylinder barrel is articulated with the vehicle body of described dumping car, described piston rod one end is fixedly connected on the wheel shaft of described dumping car, the other end coordinates with described suspension cylinder barrel, and described lower trailing arm is articulated with the vehicle body of described piston rod and dumping car simultaneously.
3. Large Electric wheel quarry tipper according to claim 2, it is characterized in that, also comprise the first oscillating bearing, described suspension cylinder barrel is articulated with the vehicle body of described dumping car by described first oscillating bearing.
4. Large Electric wheel quarry tipper according to claim 2, it is characterized in that, described lower trailing arm has three hinge-points, be respectively the first hinge-point, the second hinge-point and the 3rd hinge-point, described first hinge-point is used for hinged described piston rod, and described second hinge-point and the 3rd hinge-point are used for the vehicle body of hinged described dumping car.
5. Large Electric wheel quarry tipper according to claim 4, it is characterized in that, described lower trailing arm is hollow V beam form, and junction adopts rounding off, and described three hinge-points are in the corner of described hollow V beam form respectively.
6. Large Electric wheel quarry tipper according to claim 4, it is characterized in that, also comprise second joint bearing, described first hinge-point passes through described second joint bearing hinge connection in described piston rod.
7. Large Electric wheel quarry tipper according to claim 2, it is characterized in that, described lower trailing arm is high-strength pressure-bearing casting.
8. Large Electric wheel quarry tipper according to claim 2, it is characterized in that, also comprise position-limited lever, blind hole is offered in the middle of described piston rod, described blind hole top is fixedly connected with top board, described top board offers through hole, and described position-limited lever one end is fixedly connected on described cylinder barrel, and the other end is arranged in described through hole.
9. Large Electric wheel quarry tipper according to claim 8, it is characterized in that, described position-limited lever is in " work " font, it is fixedly connected on described cylinder barrel by upper horizontal part, described blind hole is placed in by lower horizontal part, the diameter of described lower horizontal part is less than the internal diameter of described blind hole, and the diameter of described through hole is greater than the diameter of described upper horizontal part and is less than the diameter of described lower horizontal part.
10. Large Electric wheel quarry tipper according to claim 2, it is characterized in that, also comprise cylinder sleeve, described cylinder sleeve fixed cover is located between described lower trailing arm and the wheel shaft of dumping car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587201.1U CN204196621U (en) | 2014-10-11 | 2014-10-11 | A kind of Large Electric wheel quarry tipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587201.1U CN204196621U (en) | 2014-10-11 | 2014-10-11 | A kind of Large Electric wheel quarry tipper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204196621U true CN204196621U (en) | 2015-03-11 |
Family
ID=52654616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420587201.1U Expired - Fee Related CN204196621U (en) | 2014-10-11 | 2014-10-11 | A kind of Large Electric wheel quarry tipper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204196621U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065507A (en) * | 2019-05-13 | 2019-07-30 | 杭州傲拓迈科技有限公司 | Minisize track vehicle |
| CN111873732A (en) * | 2020-07-14 | 2020-11-03 | 中车大同电力机车有限公司 | Macpherson type independent suspension device and vehicle |
-
2014
- 2014-10-11 CN CN201420587201.1U patent/CN204196621U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065507A (en) * | 2019-05-13 | 2019-07-30 | 杭州傲拓迈科技有限公司 | Minisize track vehicle |
| CN110065507B (en) * | 2019-05-13 | 2024-04-16 | 杭州傲拓迈科技有限公司 | Miniature rail vehicle |
| CN111873732A (en) * | 2020-07-14 | 2020-11-03 | 中车大同电力机车有限公司 | Macpherson type independent suspension device and vehicle |
| CN111873732B (en) * | 2020-07-14 | 2021-09-17 | 中车大同电力机车有限公司 | Macpherson type independent suspension device and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20211011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |