CN202743002U - Independent suspension used for motor-driven passenger car - Google Patents

Independent suspension used for motor-driven passenger car Download PDF

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Publication number
CN202743002U
CN202743002U CN 201220359483 CN201220359483U CN202743002U CN 202743002 U CN202743002 U CN 202743002U CN 201220359483 CN201220359483 CN 201220359483 CN 201220359483 U CN201220359483 U CN 201220359483U CN 202743002 U CN202743002 U CN 202743002U
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CN
China
Prior art keywords
transverse arm
electrobus
arm
torsion bar
independent suspension
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220359483
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Chinese (zh)
Inventor
郑建辉
张鸣
谈伟
王新郧
周谊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Wanshan Hongye Automobile Components Co., Ltd.
Special Vehicle Technology Center of Hubei Aerospace Technology Research Institute
Original Assignee
Special Vehicle Technology Center of Hubei Aerospace Technology Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN 201220359483 priority Critical patent/CN202743002U/en
Application granted granted Critical
Publication of CN202743002U publication Critical patent/CN202743002U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an independent suspension used for a motor-driven passenger car and belongs to the technical field of motor-driven passenger cars. The independent suspension comprises a shock absorber, a shock absorber support seat, an upper transverse arm, a lower transverse arm, a twisted bar, a twisted bar support seat, an upper limit block, a lower limit device and direction-changing limit screws. The independent suspension not only meets requirements for space limitation of low floor board motor-driven passenger car, but also improves harshness, passing capacity and carrying capacity of the motor-driven passenger car simultaneously.

Description

A kind of independent suspension for electrobus
Technical field
The utility model relates to the electrobus technical field, particularly a kind of two transverse arm list torsion bar independent suspensions for electrobus.
Background technology
In the prior art, in order to increase interior space, the low floor electrobus whole bridges of lower gate-type that adopt more, suspension mainly adopts balance suspension or the half balance suspension take steel spring as elastic element, the nonspring carried mass of steel spring is large, suspension rate is linear, cause electrobus offset frequency rate under unloaded and fully laden larger, ride comfort is poor.In order to improve the offset frequency rate greatly and the poor problem of ride comfort, independent suspension has appearred, and the advantage of independent suspension comprises: the rigidity of (1) independent suspension has certain linearity, can guarantee that electrobus all has preferably ride comfort at unloaded and at full load; (2) nonspring carried mass of independent suspension is little, can adjust the height of electrobus by the initial installation site that changes suspension.In the prior art, independent suspension mainly comprises torsion bar independent suspension on air bellow independent suspension and the two transverse arm, but these two kinds of suspensions can not adapt to the space requirement of low floor electrobus all because receive the restriction that its elastic element form and space are arranged.
The utility model content
In order to address the above problem, the utility model proposes a kind of for low floor electrobus propons and can satisfy the low floor electrobus to the independent suspension of space requirement.
The independent suspension that is used for electrobus that the utility model provides comprises bumper, vibration damping mounting, Top Crossbeam, lower cross arm, torsion bar, the torsion bar bearing, upper limit position block, lower caging device and limiting steering screw, described bumper comprises jack, described jack upper end is connected with hanger, the lower end of described jack is connected with lower hanger, described vibration damping mounting is connected in described upper hanger, described Top Crossbeam is connected in described jack, described lower cross arm is connected in described lower hanger, described lower cross arm is connected in an end of described torsion bar, described torsion bar bearing is connected in the other end of described torsion bar
Described upper limit position block is connected in the top of described Top Crossbeam, and when skipping to end position on the described suspension, the positive stop lug boss on described upper limit position block and the electrobus vehicle frame is collided,
Described lower caging device comprises the lower limit screw, and described lower limit screw is fixedly installed on the bottom of described Top Crossbeam, and when skipping to end position under the described suspension, described Top Crossbeam and described lower limit screw are collided,
Described limiting steering screw is connected in described lower cross arm, and when electrobus corner during to end position, the steering swivel on the electrobus wheel and described limiting steering screw are collided,
Described Top Crossbeam and lower cross arm are connected to the electrobus wheel.
As preferably, described independent suspension also comprises ball pin and lower ball pin,
One end of described upper ball pin is connected in described Top Crossbeam, and the other end of described upper ball pin is connected in the electrobus wheel,
One end of described lower ball pin is connected in described lower cross arm, and the other end of described lower ball pin is connected in the electrobus wheel.
As preferably, described lower caging device also comprises connecting arm, and described lower limit screw is fixedly connected on the electrobus vehicle frame by described connecting arm.
As preferably, an end of described connecting arm is fixedly connected on the electrobus vehicle frame, and the other end of described connecting arm is provided with tapped bore, and described lower limit screw is arranged in the described tapped bore.
As preferably, described tapped bore has the I screw thread, has the II screw thread that matches with described I screw thread on the described lower limit screw.
As preferably, described Top Crossbeam comprises the transverse arm of going forward, upper rear transverse arm and upper axle, described upper axle is connected in the axle head of described go forward transverse arm and described rear transverse arm, described upper ball pin is connected in the pin end of described go forward transverse arm and described rear transverse arm, and described upper limit position block is connected between the described transverse arm of going forward, upper rear transverse arm, upper axle and the upper ball pin.
As preferably, described lower cross arm comprises lower front transverse arm, lower rear transverse arm and lower shaft, described lower shaft is connected in the axle head of described lower front transverse arm and described lower rear transverse arm, described lower ball pin is connected in the pin end of described lower front transverse arm and described lower rear transverse arm, the axle head of described lower rear transverse arm is connected in an end of described torsion bar, and described limiting steering screw is connected in the pin end of described lower rear transverse arm.
As preferably, an end of described torsion bar is connected by spline housing with the axle head of described lower rear transverse arm.
As preferably, the other end that described torsion bar bearing is connected in described torsion bar connects by spline housing.
The independent suspension that is used for electrobus that the utility model provides has been abdicated the traditionally occupied vertical space of torsion bar because torsion bar links to each other with lower cross arm, so that body platform moved down, thereby has satisfied the space constraint requirement of low floor electrobus; The rigidity of torsion bar has certain non-linear, can guarantee that electrobus at zero load and at full load, all has lower offset frequency, thereby guarantee the electrobus ride comfort; The independent suspension that is used for electrobus that the utility model provides is because Top Crossbeam and lower cross arm are connected to the electrobus wheel, can guarantee the self-movement of the wheel of electrobus both sides, when travel in the road surface of jolting, can reduce the vibration of electrobus, help to eliminate the adverse effect that the wheel flutter beat causes; The energy of torsion bar unit mass storage is high, can realize large load-carrying capacity by quality and all less torsion bar of physical dimension; After adopting the independent suspension that the utility model provides, can guarantee wheel in the situation of load road surface, the good contact on wheel and ground, thus improved the adhesive ability of tire, improved the crossing ability of vehicle.
Description of drawings
The isometric drawing of the independent suspension that is used for electrobus that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the right elevation of Fig. 1.
The specific embodiment
In order to understand the utility model in depth, below in conjunction with drawings and the specific embodiments the utility model is elaborated.
Referring to accompanying drawing 1 and accompanying drawing 2, the independent suspension that is used for electrobus that the utility model provides comprises bumper, vibration damping mounting 15, Top Crossbeam, lower cross arm, torsion bar 2, torsion bar bearing 1, upper limit position block 13, lower caging device and limiting steering screw 14.Bumper comprises jack 9, and the lower end that jack 9 upper ends are connected with hanger 17, jack 9 is connected with lower hanger 18.Vibration damping mounting 15 is connected in hanger 17, and Top Crossbeam is connected in jack 9, and lower cross arm is connected in lower hanger 18.Lower cross arm is connected in an end of torsion bar 2, and torsion bar bearing 1 is connected in the other end of torsion bar 2.When electrobus travels, be delivered on the torsion bar 2 by lower cross arm from the application force of road surface to wheel, torsion bar 2 torsional deflectioies overcome the external force that comes from ground thereby play.Simultaneously, the suspension vibration that causes by the bumper decay external force that is installed on the suspension.
Upper limit position block 13 is connected in the top of Top Crossbeam, and when skipping to end position on the suspension, upper limit position block 13 is collided with the positive stop lug boss on the electrobus vehicle frame, thus the stroke of the upper jumping of restriction suspension.
Lower caging device comprises lower limit screw 12, and lower limit screw 12 is fixedly installed on the bottom of Top Crossbeam, and when skipping to end position under the suspension, Top Crossbeam and lower limit screw 12 are collided, thus the stroke of jumping under the restriction suspension.
Limiting steering screw 14 is connected in lower cross arm, and when electrobus corner during to end position, the steering swivel on the electrobus wheel and limiting steering screw 14 are collided, thus steering angle limiting.
Top Crossbeam and lower cross arm are connected to the electrobus wheel.
Wherein, be connected to the concrete implementation of electrobus wheel as Top Crossbeam and lower cross arm, independent suspension also comprises ball pin 10 and lower ball pin 16, one end of upper ball pin 10 is connected in Top Crossbeam, the other end of upper ball pin 10 is connected in the electrobus wheel, one end of lower ball pin 16 is connected in lower cross arm, and the other end of lower ball pin 16 is connected in the electrobus wheel.
Wherein, as a kind of concrete implementation of lower caging device, lower caging device also comprises connecting arm 19, and lower limit screw 12 is fixedly connected on the electrobus vehicle frame by connecting arm 19.
Wherein, an end of connecting arm 19 is fixedly connected on the electrobus vehicle frame, and the other end of connecting arm 19 is provided with tapped bore, and lower limit screw 12 is arranged in the tapped bore, thereby makes the realization of lower caging device simple and easy to do.
Wherein, tapped bore has the I screw thread, has the II screw thread that matches with the I screw thread on the lower limit screw 12, thereby only need to can limit the stroke of jumping under the suspension by the spinning in and out of regulating lower limit screw 12.
Wherein, a kind of concrete implementation as Top Crossbeam, Top Crossbeam comprises the transverse arm 7 of going forward, upper rear transverse arm 6 and upper axle 8, upper axle 8 is connected in the axle head of go forward transverse arm 7 and upper rear transverse arm 6, upper ball pin 10 is connected in the pin end of go forward transverse arm 7 and upper rear transverse arm 6, and upper limit position block 13 is connected between the transverse arm 7 of going forward, upper rear transverse arm 6, upper axle 8 and the upper ball pin 10.
Wherein, a kind of concrete implementation as lower cross arm, lower cross arm comprises lower front transverse arm 5, lower rear transverse arm 11 and lower shaft 4, lower shaft 4 is connected in the axle head of lower front transverse arm 5 and lower rear transverse arm 11, lower ball pin 16 is connected in the pin end of lower front transverse arm 5 and lower rear transverse arm 11, the axle head of transverse arm 11 is connected in an end of torsion bar 2 after lower, and limiting steering screw 14 is connected in the pin end of lower rear transverse arm 11.
Wherein, as a kind of concrete implementation that an end of torsion bar 2 is connected with lower rear transverse arm 11, an end of torsion bar 2 is connected by spline housing 3 with the axle head of lower rear transverse arm 11.
Wherein, as a kind of concrete implementation that torsion bar bearing 1 is connected with the other end of torsion bar 2, the other end that torsion bar bearing 1 is connected in torsion bar 2 connects by spline housing 3.
The independent suspension that is used for electrobus that the utility model provides has been abdicated the traditionally occupied vertical space of torsion bar because torsion bar 2 links to each other with lower cross arm, so that body platform moved down, thereby has satisfied the space constraint requirement of low floor electrobus; The rigidity of torsion bar 2 has certain non-linear, can guarantee that electrobus at zero load and at full load, all has lower offset frequency, thereby guarantee the electrobus ride comfort; The independent suspension that is used for electrobus that the utility model provides is because Top Crossbeam and lower cross arm are connected to the electrobus wheel, can guarantee the self-movement of the wheel of electrobus both sides, when travel in the road surface of jolting, can reduce the vibration of electrobus, help to eliminate the adverse effect that the wheel flutter beat causes; The energy of torsion bar 2 unit masses storage is high, can realize large load-carrying capacity by quality and all less torsion bar of physical dimension; After adopting the independent suspension that the utility model provides, can guarantee wheel in the situation of load road surface, the good contact on wheel and ground, thus improved the adhesive ability of tire, improved the crossing ability of vehicle.
The above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (9)

1. independent suspension that is used for electrobus, it is characterized in that, comprise bumper, vibration damping mounting, Top Crossbeam, lower cross arm, torsion bar, the torsion bar bearing, upper limit position block, lower caging device and limiting steering screw, described bumper comprises jack, described jack upper end is connected with hanger, the lower end of described jack is connected with lower hanger, described vibration damping mounting is connected in described upper hanger, described Top Crossbeam is connected in described jack, described lower cross arm is connected in described lower hanger, described lower cross arm is connected in an end of described torsion bar, described torsion bar bearing is connected in the other end of described torsion bar
Described upper limit position block is connected in the top of described Top Crossbeam, and when skipping to end position on the described suspension, the positive stop lug boss on described upper limit position block and the electrobus vehicle frame is collided,
Described lower caging device comprises the lower limit screw, and described lower limit screw is fixedly installed on the bottom of described Top Crossbeam, and when skipping to end position under the described suspension, described Top Crossbeam and described lower limit screw are collided,
Described limiting steering screw is connected in described lower cross arm, and when electrobus corner during to end position, the steering swivel on the electrobus wheel and described limiting steering screw are collided,
Described Top Crossbeam and lower cross arm are connected to the electrobus wheel.
2. independent suspension according to claim 1 is characterized in that, also comprises ball pin and lower ball pin,
One end of described upper ball pin is connected in described Top Crossbeam, and the other end of described upper ball pin is connected in the electrobus wheel,
One end of described lower ball pin is connected in described lower cross arm, and the other end of described lower ball pin is connected in the electrobus wheel.
3. independent suspension according to claim 1 is characterized in that, described lower caging device also comprises connecting arm, and described lower limit screw is fixedly connected on the electrobus vehicle frame by described connecting arm.
4. independent suspension according to claim 3 is characterized in that, an end of described connecting arm is fixedly connected on the electrobus vehicle frame, and the other end of described connecting arm is provided with tapped bore, and described lower limit screw is arranged in the described tapped bore.
5. independent suspension according to claim 4 is characterized in that, described tapped bore has the I screw thread, has the II screw thread that matches with described I screw thread on the described lower limit screw.
6. independent suspension according to claim 2, it is characterized in that, described Top Crossbeam comprises the transverse arm of going forward, upper rear transverse arm and upper axle, described upper axle is connected in the axle head of described go forward transverse arm and described rear transverse arm, described upper ball pin is connected in the pin end of described go forward transverse arm and described rear transverse arm, and described upper limit position block is connected between the described transverse arm of going forward, upper rear transverse arm, upper axle and the upper ball pin.
7. independent suspension according to claim 2, it is characterized in that, described lower cross arm comprises lower front transverse arm, lower rear transverse arm and lower shaft, described lower shaft is connected in the axle head of described lower front transverse arm and described lower rear transverse arm, described lower ball pin is connected in the pin end of described lower front transverse arm and described lower rear transverse arm, the axle head of described lower rear transverse arm is connected in an end of described torsion bar, and described limiting steering screw is connected in the pin end of described lower rear transverse arm.
8. independent suspension according to claim 7 is characterized in that, an end of described torsion bar is connected by spline housing with the axle head of described lower rear transverse arm.
9. independent suspension according to claim 8 is characterized in that, the other end that described torsion bar bearing is connected in described torsion bar connects by spline housing.
CN 201220359483 2012-07-24 2012-07-24 Independent suspension used for motor-driven passenger car Expired - Fee Related CN202743002U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220359483 CN202743002U (en) 2012-07-24 2012-07-24 Independent suspension used for motor-driven passenger car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220359483 CN202743002U (en) 2012-07-24 2012-07-24 Independent suspension used for motor-driven passenger car

Publications (1)

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CN202743002U true CN202743002U (en) 2013-02-20

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303135A (en) * 2013-06-25 2013-09-18 湖北航天技术研究院特种车辆技术中心 Variable-speed drive front axle of light electric motor coach
CN103963728A (en) * 2014-05-12 2014-08-06 北京汽车研究总院有限公司 Torsion rod spring device and automobile
CN111873739A (en) * 2020-07-31 2020-11-03 东风柳州汽车有限公司 Mounting structure of shock absorber
WO2020224326A1 (en) * 2019-05-09 2020-11-12 浙江盘毂动力科技有限公司 Independent suspension system, and vehicle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303135A (en) * 2013-06-25 2013-09-18 湖北航天技术研究院特种车辆技术中心 Variable-speed drive front axle of light electric motor coach
CN103303135B (en) * 2013-06-25 2016-04-27 湖北航天技术研究院特种车辆技术中心 A kind of light electric bus drives speed change propons
CN103963728A (en) * 2014-05-12 2014-08-06 北京汽车研究总院有限公司 Torsion rod spring device and automobile
WO2020224326A1 (en) * 2019-05-09 2020-11-12 浙江盘毂动力科技有限公司 Independent suspension system, and vehicle
CN111873739A (en) * 2020-07-31 2020-11-03 东风柳州汽车有限公司 Mounting structure of shock absorber

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: HUBEI WANSHAN HONGYE AUTOMOBILE COMPONENTS CO., LT

Effective date: 20130801

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130801

Address after: 432000 Beijing Road, Hubei, China, No. 69, No.

Patentee after: Hubei Aerospace Technology Research Institute Special Vehicle Technology Center

Patentee after: Hubei Wanshan Hongye Automobile Components Co., Ltd.

Address before: 432000 Beijing Road, Hubei, China, No. 69, No.

Patentee before: Hubei Aerospace Technology Research Institute Special Vehicle Technology Center

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130220

Termination date: 20160724

CF01 Termination of patent right due to non-payment of annual fee