CN107600260A - A kind of freight electric vehicle chassis - Google Patents

A kind of freight electric vehicle chassis Download PDF

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Publication number
CN107600260A
CN107600260A CN201711044532.5A CN201711044532A CN107600260A CN 107600260 A CN107600260 A CN 107600260A CN 201711044532 A CN201711044532 A CN 201711044532A CN 107600260 A CN107600260 A CN 107600260A
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CN
China
Prior art keywords
damper
vehicle frame
shock
back axle
axle
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.)
Pending
Application number
CN201711044532.5A
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Chinese (zh)
Inventor
华岗岗
华照岳
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.)
Henan Huada Wantong Amperex Technology Ltd
Original Assignee
Henan Huada Wantong Amperex Technology Ltd
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
Application filed by Henan Huada Wantong Amperex Technology Ltd filed Critical Henan Huada Wantong Amperex Technology Ltd
Priority to CN201711044532.5A priority Critical patent/CN107600260A/en
Publication of CN107600260A publication Critical patent/CN107600260A/en
Pending legal-status Critical Current

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Abstract

The invention provides a kind of freight electric vehicle chassis, including vehicle frame, front overhang hanging hang structure, and post-suspension structure, vehicle frame is frame structure, front overhang hanging hang structure includes front-wheel and transfer, post-suspension structure includes damper, first back axle, second back axle, and positioner, damper is arc-shaped structure, arc top is connected to two curb girder bottoms of vehicle frame, both ends respectively with the first back axle and the second rear-axle hinging, positioner includes stabiliser bar and longitudinal tie, stabiliser bar traverses vehicle frame and is fixed on vehicle frame, longitudinal tie one end is hinged with stabiliser bar, the rear-axle hinging of the other end and the first back axle/second.Big the beneficial effects of the invention are as follows power, stability is more preferable, and using shock damper structure, damping effect is more preferable, increases comfortableness and cruising characteristic, safer;Damper is stronger with road surface condition variation, the earth-grasping force of electric car simultaneously.

Description

A kind of freight electric vehicle chassis
Technical field
The present invention relates to vehicle technology field, particularly relates to a kind of freight electric vehicle chassis.
Background technology
Electric car is the vehicle that the energy is used as using electricity, compare automobile it is more energy efficient it is environmentally friendly, cost is cheap, electric car is developed to The present, species is more various, and freight electric vehicle either local delivery is still ridden instead of walk, has all turned into present indispensable traffic work Tool.
Freight electric vehicle in the market, rear portion are mostly single wheels, and such car body stability is very poor, and goods loads one Denier is partially heavy, and front end is easily tilted, and causes personnel hazard, and damping uses fixed arc-shaped steel after existing freight electric vehicle Flat spring, arc top are fixed on hind axle, and both ends are fixed on vehicle frame, and damping effect is provided equivalent to the elasticity only by steel plate, Rear portion can not provide damping effect during electric car zero load, and full load damping effect is also very poor, and sense of being jolted on bad road surface is strong Strong, comfortableness is very poor, and easily causes the damage for transporting goods.
The content of the invention
The present invention is based at least one above-mentioned technical problem, it is proposed that a kind of freight electric vehicle bottom of double trailing wheel Disk, the technical proposal of the invention is realized in this way:
A kind of freight electric vehicle chassis, including vehicle frame, be arranged on the anterior front overhang hanging hang structure of the vehicle frame and be arranged on described The post-suspension structure at vehicle frame rear portion, the vehicle frame are hollow frame structure, and the front overhang hanging hang structure includes front-wheel and transfer, The post-suspension structure includes damper, the first back axle, the second back axle and positioner, and the damper is circular arc knot Structure, its arc top are connected to described two curb girder bottoms of vehicle frame, both ends respectively with the first back axle and the second rear-axle hinging;
The positioner includes stabiliser bar and longitudinal tie, and the stabiliser bar traverses the vehicle frame and is fixed on the vehicle frame On, two longitudinal ties of connection respectively, two described longitudinal tie one end and the stabilization are often held in described two ends of stabiliser bar Bar is hinged, the other end respectively with the rear-axle hinging of first back axle/second;
The arc top of the damper is connected with the car frame side beam by Shock-proof bolt, the Shock-proof bolt include bolt, pad, Shock-absorbing sleeve, limiting plate and nut, the car frame side beam on the limiting plate with being equipped with mounting hole, described shock-absorbing sleeve one end If back-up ring, the installation bore dia is adapted with shock-absorbing sleeve, and the bolt screw rod sequentially passes through pad, back-up ring, mounting hole, damping Set, limiting plate and damper, are then fixed by nut.
Described freight electric vehicle chassis, if the damper is fixedly connected with group by the alloy-steel plate of the wide Length discrepancy of dry plate Into.
Described freight electric vehicle chassis, the be hinged junction are provided with the shock-absorbing sleeve.
Described freight electric vehicle chassis, the shock-absorbing sleeve are made of elastomeric material.
Described freight electric vehicle chassis, differential mechanism and motor are respectively arranged with first back axle and the second back axle, The motor is connected with storage battery.
The beneficial effects of the invention are as follows:1. double trailing wheel and bi-motor, power is big, and stability is more preferable;2. subtracted using new Device structure is shaken, damper can also have damping effect with road surface condition variation under unloaded situation;3. damper and positioner and two Individual back axle is flexibly connected, and effectively eliminates damper internal stress under the full load condition of part, while effectively avoid road bump propagated sensation Enter vehicle body, damping effect is more preferable, increases comfortableness and cruising characteristic, and dual link back axle is not easy de- axle, safer;4. Damper prevents wheel from making somebody a mere figurehead, the earth-grasping force of electric car is stronger with road surface condition variation;5. the place of being articulated and connected increases shock-absorbing sleeve, Reduce noise, extend connector service life.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the present invention, letter will be made to the required accompanying drawing used in description below Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for the common skill in this area For art personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the top view of the present invention;
Damper and positioning device structure schematic diagram when Fig. 3 is electric car zero load;
Fig. 4 is damper and positioning device structure schematic diagram when electric car loads;
Fig. 5 is Shock-proof bolt structural representation;
Fig. 6 is damper operation principle schematic diagram(First back axle has obstacle);
Fig. 7 is damper operation principle schematic diagram(Second back axle has obstacle);
Fig. 8 is articulated structure schematic diagram;
In figure:1 is vehicle frame;2 be damper;3 be the first back axle;4 be the second back axle;5 be stabiliser bar;6 be longitudinal tie;7 be limit Position plate;8 be shock-absorbing sleeve.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application Feature in mode and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also To be different from other modes described here using other to implement, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.
As shown in Figure 1 and Figure 2, freight electric vehicle chassis of the invention, including vehicle frame 1, vehicle frame are integrally hollow framework knots The steelframe of structure, the front lower portion of vehicle frame 1 are provided with front overhang hanging hang structure(Accompanying drawing is not shown), front overhang hanging hang structure includes front-wheel and steering Device, transfer are connected with being arranged on the handlebar of vehicle frame upper front end, driver by control handlebar control electric vehicle rotary to.
Post-suspension structure is arranged on the rear end lower of vehicle frame 1, after post-suspension structure includes damper 2, the first back axle 3, second Bridge 4 and positioner, damper 2 is the leaf spring of circular shape, if being fixed by the alloy-steel plate of the wide Length discrepancy of dry plate Connection composition, 1 two curb girder bottoms of vehicle frame are each provided with a damper 2, and the arc top position of damper 2 is connected to vehicle frame 1 two Curb girder bottom, the both ends of damper 2 are be hinged with the first back axle 3 and the second back axle 4 respectively.Positioner includes stabiliser bar 5 and indulged Pull bar 6, stabiliser bar 5 traverse vehicle frame 1 and are fixed on vehicle frame 1, and stabiliser bar 5 is used for balancing vehicle body, and it is excessive to prevent that vehicle body from occurring Laterally roll, stabiliser bar both ends connect two longitudinal ties 6 respectively, and two one end of longitudinal tie 6 are hinged on stabiliser bar 5, the other end It is used for connecting and positioning two back axles with two rear-axle hingings, positioner respectively, prevents two back axles in pressure or road conditions De- axle or off-axis under change.
As shown in Figure 3, Figure 4, under electric vehicle loading state, the stress of damper 2 of circular shape deforms upon, and vehicle frame 1 drops Low to be approached with back axle, distance becomes big between two back axles, and the angle between the longitudinal tie 6 of positioner becomes big therewith.Traditional electric car In rear axle structure, the arc top of damper 2 is fixed on hind axle, and both ends are connected on vehicle frame 1, when vehicle frame 1 is by vertical load, are subtracted Shake the both ends of device 2 persistently to be increased by the pressure of vehicle frame 1, the internal stress of damper 2, not only shorten the service life of damper 2, and Damping effect is very undesirable, the freight electric vehicle chassis of the application, sets the arc top of damper 2 to be connected with vehicle frame 1, both ends and two Individual rear-axle hinging, two back axles are not only connected simultaneously, and when vehicle frame 1 is by vertical load, damper 2 deforms upon, two Distance becomes big between individual back axle, eliminates the part internal stress of damper 2, improves damping effect, extends the service life of damper 2.
As shown in figure 5, the arc top of damper 2 is connected with the curb girder of vehicle frame 1 by Shock-proof bolt, the Shock-proof bolt is from up to Under include bolt, pad, shock-absorbing sleeve 8, limiting plate 7 and nut successively, the curb girder of vehicle frame 1 on limiting plate 7 with being equipped with installation Hole, the one end of shock-absorbing sleeve 8 are provided with back-up ring, and installation bore dia is adapted with shock-absorbing sleeve, and bolt screw rod sequentially passes through pad, back-up ring, peace Hole, shock-absorbing sleeve 8, limiting plate 7 and damper are filled, is then fixed by nut, the internal diameter of shock-absorbing sleeve 8 is straight slightly larger than bolt screw rod Footpath, damper can be made to have certain activity space.
Preferably, shock-absorbing sleeve 8 is made of high abrasion, the materials of high resilience such as polyurethane resin or rubber.
As shown in Figure 6, Figure 7, two back axle height are not in same level, the damping spiral shell of the arc top junction of damper 2 Elastic deformation occurs for bolt lateral compression shock-absorbing sleeve 8, shock-absorbing sleeve 8, and damper 2 tilts, under road conditions of jolting, the damping of electric car both sides Device 2 constantly adjusts wheel position therewith, can effectively prevent the propagated sensation that jolts on road surface from entering vehicle body, avoid goods from jolting, increase simultaneously Comfortableness and stability, and increase the earth-grasping force of wheel.
Preferably, the place of being articulated and connected is provided with shock-absorbing sleeve 8(If longitudinal tie 6 and the hinged place of stabiliser bar 5, longitudinal tie 6 are with after Bridge hinged place), as shown in figure 8, the above-mentioned place's structure that is articulated and connected includes bolt, U-type groove, shock-absorbing sleeve 8, shock-absorbing sleeve 8 is two, Connector both ends are separately positioned on, bolt screw rod sequentially passes through pad, U-type groove, shock-absorbing sleeve 8, connector, then consolidated by nut Fixed, shock-absorbing sleeve 8 is made of high abrasion, the materials of high resilience such as polyurethane resin or rubber, can not only reduce noise, and And prevent active connection from wearing, while increase connector elasticity, and shock-absorbing sleeve 8 compares that bearing arrangement is simple, and cost is low, more Change conveniently, be adapted to electric vehicle chassis application.
Preferably, differential mechanism and motor are respectively arranged with the first back axle 3 and the second back axle 4, motor is electrically connected with battery Connect, dual-motor electric car power is big, cargo dead-weight is high.
Technical scheme is described in detail above in association with accompanying drawing, and technical scheme proposes a kind of new Freight electric vehicle chassis, this programme use double trailing wheel and bi-motor structure, and power is big, cargo dead-weight is higher, stability is more preferable;Adopt With shock damper structure, damper can also have good damping effect with the autonomous left regulation wheel condition of road conditions under unloaded situation, and Shock absorber structure is reasonable in design, and damper internal stress is small under loading state, and damping effect is more preferable, and earth-grasping force is strong, and smooth ride relaxes Suitable, the place's of being articulated and connected increase elastic shock attenuation set, vehicle traveling noise is small, and service life length, suitable freight electric vehicle is promoted the use of.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (5)

1. a kind of freight electric vehicle chassis, including vehicle frame, it is arranged on the anterior front overhang hanging hang structure of the vehicle frame and is arranged on institute The post-suspension structure at vehicle frame rear portion is stated, the vehicle frame is hollow frame structure, and the front overhang hanging hang structure includes front-wheel and turned to fill Put, it is characterised in that
The post-suspension structure includes damper, the first back axle, the second back axle and positioner, and the damper is circular arc Shape structure, its arc top are connected to described two curb girder bottoms of vehicle frame, both ends respectively with the first back axle and the second rear-axle hinging;
The positioner includes stabiliser bar and longitudinal tie, and the stabiliser bar traverses the vehicle frame and is fixed on the vehicle frame On, two longitudinal ties of connection respectively, two described longitudinal tie one end and the stabilization are often held in described two ends of stabiliser bar Bar is hinged, the other end respectively with the rear-axle hinging of first back axle/second;
The arc top of the damper is connected with the car frame side beam by Shock-proof bolt, the Shock-proof bolt include bolt, pad, Shock-absorbing sleeve, limiting plate and nut, the car frame side beam on the limiting plate with being equipped with mounting hole, described shock-absorbing sleeve one end If back-up ring, the installation bore dia is adapted with shock-absorbing sleeve, and the bolt screw rod sequentially passes through pad, back-up ring, mounting hole, damping Set, limiting plate and damper, are then fixed by nut.
2. freight electric vehicle chassis according to claim 1, it is characterised in that if the damper is wide by dry plate Long alloy-steel plate is composed of a fixed connection.
3. freight electric vehicle chassis according to claim 1, it is characterised in that the be hinged junction is respectively provided with State shock-absorbing sleeve.
4. according to the freight electric vehicle chassis described in claim 1-3 any one, it is characterised in that the shock-absorbing sleeve uses bullet Property material is made.
5. freight electric vehicle chassis according to claim 1, it is characterised in that divide on first back axle and the second back axle Differential mechanism and motor are not provided with, and the motor is connected with storage battery.
CN201711044532.5A 2017-10-31 2017-10-31 A kind of freight electric vehicle chassis Pending CN107600260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711044532.5A CN107600260A (en) 2017-10-31 2017-10-31 A kind of freight electric vehicle chassis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711044532.5A CN107600260A (en) 2017-10-31 2017-10-31 A kind of freight electric vehicle chassis

Publications (1)

Publication Number Publication Date
CN107600260A true CN107600260A (en) 2018-01-19

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CN201711044532.5A Pending CN107600260A (en) 2017-10-31 2017-10-31 A kind of freight electric vehicle chassis

Country Status (1)

Country Link
CN (1) CN107600260A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109484120A (en) * 2018-11-22 2019-03-19 重庆帮桦机械制造有限公司 The movable connection structure of steel plate and rear axle
CN109572637A (en) * 2018-12-25 2019-04-05 王勇 A kind of automobile water storage tank suspension hanger and water storage tank mounting structure
CN114179582A (en) * 2021-11-22 2022-03-15 梁山众兴机械制造有限公司 Air suspension lifting structure and assembling method

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1123232A (en) * 1994-04-13 1996-05-29 黄正云 Automatic tipping device and selfunloading method for motor track
CN201300761Y (en) * 2008-11-28 2009-09-02 陕西同力重工有限公司 Off-highway used dump truck
US20100104408A1 (en) * 2008-10-28 2010-04-29 Gaudet Joel Trailer for transporting freight containers and method of use
CN201769934U (en) * 2010-08-15 2011-03-23 芜湖中集瑞江汽车有限公司 Single-tire trailer structure
CN202574528U (en) * 2012-02-29 2012-12-05 江苏宗申三轮摩托车制造有限公司 Rear suspension device of riding-type right three-wheel motorcycle
CN202764918U (en) * 2012-08-27 2013-03-06 力帆实业(集团)股份有限公司 Shock absorption structure of installing seat of wiper of automobile
CN202879183U (en) * 2012-10-24 2013-04-17 王权 Electric vehicle chassis
CN103241326A (en) * 2013-05-13 2013-08-14 刘景物 Rear damping system for electro-tricycle
CN203486058U (en) * 2013-10-23 2014-03-19 王正忠 Electric vehicle chassis
CN105799786A (en) * 2016-05-06 2016-07-27 新兴能源装备股份有限公司 Chassis of strap-on high-pressure gas long pipe transport semi-trailer
CN207433717U (en) * 2017-10-31 2018-06-01 河南华达万通新能源科技有限公司 A kind of freight electric vehicle chassis

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1123232A (en) * 1994-04-13 1996-05-29 黄正云 Automatic tipping device and selfunloading method for motor track
US20100104408A1 (en) * 2008-10-28 2010-04-29 Gaudet Joel Trailer for transporting freight containers and method of use
CN201300761Y (en) * 2008-11-28 2009-09-02 陕西同力重工有限公司 Off-highway used dump truck
CN201769934U (en) * 2010-08-15 2011-03-23 芜湖中集瑞江汽车有限公司 Single-tire trailer structure
CN202574528U (en) * 2012-02-29 2012-12-05 江苏宗申三轮摩托车制造有限公司 Rear suspension device of riding-type right three-wheel motorcycle
CN202764918U (en) * 2012-08-27 2013-03-06 力帆实业(集团)股份有限公司 Shock absorption structure of installing seat of wiper of automobile
CN202879183U (en) * 2012-10-24 2013-04-17 王权 Electric vehicle chassis
CN103241326A (en) * 2013-05-13 2013-08-14 刘景物 Rear damping system for electro-tricycle
CN203486058U (en) * 2013-10-23 2014-03-19 王正忠 Electric vehicle chassis
CN105799786A (en) * 2016-05-06 2016-07-27 新兴能源装备股份有限公司 Chassis of strap-on high-pressure gas long pipe transport semi-trailer
CN207433717U (en) * 2017-10-31 2018-06-01 河南华达万通新能源科技有限公司 A kind of freight electric vehicle chassis

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109484120A (en) * 2018-11-22 2019-03-19 重庆帮桦机械制造有限公司 The movable connection structure of steel plate and rear axle
CN109572637A (en) * 2018-12-25 2019-04-05 王勇 A kind of automobile water storage tank suspension hanger and water storage tank mounting structure
CN114179582A (en) * 2021-11-22 2022-03-15 梁山众兴机械制造有限公司 Air suspension lifting structure and assembling method

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