CN203486031U - Pure electric articulated bus - Google Patents

Pure electric articulated bus Download PDF

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Publication number
CN203486031U
CN203486031U CN201320562123.5U CN201320562123U CN203486031U CN 203486031 U CN203486031 U CN 203486031U CN 201320562123 U CN201320562123 U CN 201320562123U CN 203486031 U CN203486031 U CN 203486031U
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China
Prior art keywords
pure electric
compartment
passenger car
vehicle bridge
electric articulated
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Expired - Lifetime
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CN201320562123.5U
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Chinese (zh)
Inventor
陈树威
吴亿超
林伟业
彭旺
谢世滨
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN201320562123.5U priority Critical patent/CN203486031U/en
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Abstract

The utility model discloses a pure electric articulated bus. The pure electric articulated bus comprises a carriage, a frame, a plurality of driving axles, a plurality of hub reduction gears and a plurality of hub driving motors. The driving axles are spaced in the forward direction and the backward direction and arranged on the frame, and the left end of each driving axle and the right end of the driving axle are respectively provided with a tire set. Each tire set is connected with the corresponding hub reduction gear, each hub reduction gear is arranged on the corresponding driving axle, each hub reduction gear is connected with the corresponding hub driving motor, and each hub driving motor is arranged on the corresponding driving axle. According to the pure electric articulated bus, traditional transmission parts such as clutches, gearboxes and transmission shafts are omitted, the weight of the pure electric articulated bus is lowered, the energy utilization rate is improved, the driving stability is high, running is safer, the structure is quite compact, the low floor requirement can be met to the maximum degree, and the spatial utilization rate and riding comfort are improved.

Description

Pure electric articulated passenger car
Technical field
The utility model relates to automotive field, especially relates to a kind of pure electric articulated passenger car.
Background technology
Disclosed a kind of pure electric automobile intelligence double-driving force assembly in prior art, the first battery pack that comprises low voltage, the second battery pack, circuit controller, the first electrical motor, the second electrical motor and energy feedback driving engine, the first electrical motor is connected with transmission shaft by centrifugal free-wheel clutch and two electromechanical coupling change speed gear box that drives with the second electrical motor, transmission shaft is connected with energy feedback driving engine by two motor coupling change speed gear boxs that drive, circuit controller respectively with the first battery pack, the second battery pack, the first electrical motor is connected with the second electrical motor and energy feedback driving engine.
In above-mentioned technology, adopt two motors to drive two axles, compare with single motor single drive axle scheme, because dual-motor drive system need to take certain space, cause passenger can utilize space to reduce, ride quality reduces.Meanwhile, motor produces power need to be delivered to wheel by power-transfer clutch, change speed gear box and transmission shaft, so energy transfer efficiency adopts wheel motor drive scheme low, and waste of power is larger.In addition, the use of the parts such as power-transfer clutch, change speed gear box and transmission shaft has increased complete vehicle weight, has increased consumption.
Utility model content
The utility model is intended at least solve one of technical matters existing in prior art.For this reason, an object of the present utility model is to propose a kind of pure electric articulated passenger car, and space availability ratio and the ride quality of this pure electric articulated passenger car are high, have improved capacity usage ratio.
According to pure electric articulated passenger car of the present utility model, comprising: compartment, described compartment comprises the first compartment and the second compartment, between described the first compartment and described the second compartment, by hinge assembly, connects; Vehicle frame, described vehicle frame is positioned at the below in described compartment; A plurality of driving vehicle bridge, described a plurality of driving vehicle bridge is isolated being located on described vehicle frame on fore-and-aft direction, described a plurality of driving vehicle bridge lays respectively at the below in described the first compartment and described the second compartment, drives the two ends, left and right of vehicle bridge to be respectively equipped with one group of tire sets described in each; A plurality of wheel reduction gears, described in every group, tire sets is connected with a corresponding described wheel reduction gear, and described in each, wheel reduction gear is located in corresponding described driving vehicle bridge; A plurality of limit drive motor of taking turns, described in each, wheel reduction gear is connected with a corresponding described limit drive motor of taking turns, and takes turns limit drive motor described in each to be located in corresponding described driving vehicle bridge.
According to pure electric articulated passenger car of the present utility model, by being provided with wheel limit drive motor and wheel reduction gear, each power of taking turns limit drive motor is sent in corresponding tire sets by corresponding wheel reduction gear, can drive corresponding tire sets to rotate, realize the object that drives pure electric articulated passenger car operation, thereby cancelled traditional power-transfer clutch, the drive disk assembly such as change speed gear box and transmission shaft, the weight reducing of pure electric articulated passenger car, improved capacity usage ratio, by adopting two to drive vehicle bridge, make the riding stability of pure electric articulated passenger car high, move safer, and make pure electric articulated passenger car not need to adopt traditional driving device, again owing to adopting wheel reduction gear and wheel limit drive motor, make the structure of pure electric articulated passenger car very compact, can realize substantially low floor requirement, improve space availability ratio and travelling comfort.
In addition, according to pure electric articulated passenger car of the present utility model, also there is following additional technical feature:
According to embodiment more of the present utility model, the described power difference of taking turns limit drive motor of adjacent described driving vehicle bridge.Thereby can automatically select suitable drive pattern according to different road conditions, different operating mode, thereby reach under the condition that meets tractive performance demand the object of conserve energy to greatest extent.
Particularly, described vehicle frame is truss type frame.
Alternatively, described vehicle frame is high-strength steel part.
In specific embodiment of the utility model, described driving vehicle bridge is two.
Particularly, the driving vehicle bridge below described the first compartment and the distance between described hinge assembly are less than driving vehicle bridge below described the second compartment and the distance between described hinge assembly.
Further, the driving vehicle bridge that is positioned at described the second compartment below is positioned at the rear in described the second compartment.
Alternatively, described in every group, tire sets comprises two tires.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the upward view of the pure electric articulated passenger car of the utility model embodiment;
Fig. 2 is the lateral plan of the pure electric articulated passenger car shown in Fig. 1.
Reference numeral:
Pure electric articulated passenger car 100, vehicle frame 1, drive vehicle bridge 2, jackshaft 2a,
Back axle 2b, wheel reduction gear 3, wheel limit drive motor 4, propons 6, hinge assembly 7
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " on ", D score, 'fornt', 'back', " left side ", " right side " be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can particular case understand the concrete meaning of above-mentioned term in the utility model.In addition,, in description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
Below with reference to Fig. 1 and Fig. 2, describe according to the pure electric articulated passenger car 100 of the utility model embodiment.It should be noted that; in following pure electric articulated passenger car 100; only describe pure electric articulated passenger car 100 and comprised two situations that drive vehicle bridge 2; but what be worth understanding is; the utility model is not limited to this, and those of ordinary skill is obviously known, is reading the utility model instruction disclosed herein; this embodiment can be applied to the situation that pure electric articulated passenger car 100 comprises plural driving vehicle bridge 2, also fall in protection domain of the present utility model.Below pure electric articulated passenger car 100 is described in detail.
As depicted in figs. 1 and 2, according to the pure electric articulated passenger car 100 of the utility model embodiment, comprise: compartment, vehicle frame 1, two drive vehicle bridge 2, four wheel reduction gears 3 and four wheel limit drive motor 4.Particularly, compartment comprises the first compartment and the second compartment, between the first compartment and the second compartment, by hinge assembly 7, connects.Vehicle frame 1 is positioned at the below in compartment, and vehicle frame 1 is truss type frame, and vehicle frame 1 is high-strength steel part, and namely vehicle frame 1 adopts high strength steel to make to alleviate car weight.
Two drive vehicle bridge 2 isolated being located on vehicle frame 1 on fore-and-aft direction, two belows that drive vehicle bridge 2 to lay respectively at the first compartment and the second compartment, that is to say, a below that drives vehicle bridge 2 to be positioned at the first compartment, another drives vehicle bridge 2 to be positioned at the below in the second compartment, each drives the two ends, left and right of vehicle bridge 2 to be respectively equipped with one group of tire sets, every group of tire sets comprises at least one tire, the number of the tire in the tire sets of each driving vehicle bridge 2 is specifically set according to actual conditions, in examples more of the present utility model, every group of tire sets comprises two tires.
As shown in Figure 1, pure electric articulated passenger car 100 comprises propons 6, jackshaft 2a and back axle 2b, jackshaft 2a and back axle 2b are and drive vehicle bridge 2, propons 6, jackshaft 2a and back axle 2b spaced apart setting on fore-and-aft direction, propons 6 and jackshaft 2a are positioned at the below in the first compartment, back axle 2b is positioned at the below in the second compartment, the left end of propons 6 is provided with a tire sets, the right-hand member of propons 6 is provided with a tire sets, the left end of jackshaft 2a is provided with a tire sets, the right-hand member of jackshaft 2a is provided with a tire sets, the left end of back axle 2b is provided with a tire sets, the right-hand member of back axle 2b is provided with a tire sets.Particularly, propons 6 adopts high floor steeraxle, and jackshaft 2a and back axle 2b all adopt wheel limit drive axle.
Every group of tire sets is connected with a corresponding wheel reduction gear 3, each wheel reduction gear 3 is located in corresponding driving vehicle bridge 2, that is to say, four groups of tire sets and four wheel reduction gears 3 are corresponding one by one respectively, each drives vehicle bridge 2 to be provided with 3, one groups of tire sets correspondences of two wheel reduction gears a wheel reduction gear 3 is set.
Each wheel reduction gear 3 is connected with a corresponding wheel limit drive motor 4, each is taken turns limit drive motor 4 and is located in corresponding driving vehicle bridge 2, that is to say, four wheel limit drive motor 4 and four wheel reduction gears 3 are corresponding one by one respectively, each driving vehicle bridge 2 is provided with 4, one wheel reduction gears 3 of two wheel limit drive motor and is connected with a wheel limit drive motor 4.Particularly, four wheel limit drive motor 4 are connected with electric machine controller respectively, the power delivery curve of motor controller controls wheel limit drive motor 4.Each power of taking turns limit drive motor 4 is sent in corresponding tire sets by corresponding wheel reduction gear 3, thereby drives pure electric articulated passenger car 100 operations.
Wherein, it should be noted that, the principle of work of the structure of the structure of wheel limit drive motor 4 and principle of work, wheel reduction gear 3 and principle of work, pure electric articulated passenger car 100 etc. has been known by those skilled in the art, is not just described in detail here.
According to the pure electric articulated passenger car 100 of the utility model embodiment, by being provided with wheel limit drive motor 4 and wheel reduction gear 3, each power of taking turns limit drive motor 4 is sent in corresponding tire sets by corresponding wheel reduction gear 3, can drive corresponding tire sets to rotate, realize the object that drives pure electric articulated passenger car 100 operations, thereby cancelled the drive disk assemblies such as traditional power-transfer clutch, change speed gear box and transmission shaft, the weight reducing of pure electric articulated passenger car 100, has improved capacity usage ratio.By adopting two to drive vehicle bridge 2, make the riding stability of pure electric articulated passenger car 100 high, move safer, and make pure electric articulated passenger car 100 not need to adopt traditional driving device, again owing to adopting wheel reduction gear 3 and wheel limit drive motor 4, make the structure of pure electric articulated passenger car 100 very compact, can realize substantially low floor requirement, improve space availability ratio and travelling comfort.
In embodiment more of the present utility model, the power of the wheel limit drive motor 4 of adjacent driving vehicle bridge 2 is different.That is to say, the power of two wheel limit drive motor 4 on jackshaft 2a is identical, the power of two wheel limit drive motor 4 on back axle 2b is identical to guarantee the normal operation of pure electric articulated passenger car 100, the power of the wheel limit drive motor 4 on jackshaft 2a is different with the power of the wheel limit drive motor 4 on back axle 2b, to meet different tractive performance requirements.
Particularly, the drive pattern of pure electric articulated passenger car 100 comprises single large motor drive mode, single small machine drive pattern and Dual-motors Driving pattern, for example, when pure electric articulated passenger car 100 is when running slowly state, pure electric articulated passenger car 100 can adopt single small machine drive pattern, by the little wheel limit drive motor 4 of power, drives pure electric articulated passenger car 100 operations.When pure electric articulated passenger car 100 is when traveling at the uniform speed state, pure electric articulated passenger car 100 can adopt single large motor drive mode, by the high-power limit drive motor 4 of taking turns, drives pure electric articulated passenger car 100 operations.When pure electric articulated passenger car 100 is during in Accelerating running state, pure electric articulated passenger car 100 adopts Dual-motors Driving patterns, and two drive the equal outputting power of wheel limit drive motor 4 in vehicle bridge 2 to move for pure electric articulated passenger car 100.Now, the entire car controller of pure electric articulated passenger car 100 can, according to the device parameter of vehicle and operational factor, be determined the drive pattern of vehicle and realize the switching between different driving pattern.According to the pure electric articulated passenger car 100 of the utility model embodiment, can automatically select suitable drive pattern according to different road conditions, different operating mode, thereby reach under the condition that meets tractive performance demand the object of conserve energy to greatest extent.
In other embodiment of the present utility model, the power of the wheel limit drive motor 4 of adjacent driving vehicle bridge 2 is identical, that is to say, the power of the wheel limit drive motor 4 on jackshaft 2a is identical with the power of the wheel limit drive motor 4 on back axle 2b.Now the drive pattern of pure electric articulated passenger car 100 comprises single motor drive mode and Dual-motors Driving pattern, when a power that drives the wheel limit drive motor 4 in vehicle bridge 2 to export can meet the needs of pure electric articulated passenger car 100 operations, now adopt single motor drive mode.When driving wheel limit drive motor 4 in vehicle bridge 2, two of needs adopt Dual-motors Driving pattern during outputting power simultaneously, according to the pure electric articulated passenger car 100 of the utility model embodiment, can automatically select suitable drive pattern according to different road conditions, different operating mode, thereby reach under the condition that meets tractive performance demand the object of conserve energy to greatest extent.
Particularly, as depicted in figs. 1 and 2, driving vehicle bridge 2 below the first compartment and the distance between hinge assembly 7 are less than driving vehicle bridge 2 below the second compartment and the distance between hinge assembly 7, and further, the driving vehicle bridge 2 that is positioned at the second below, compartment is positioned at the rear in the second compartment.In other words, the distance between jackshaft 2a and hinge assembly 7 is less than the distance between back axle 2b and hinge assembly 7, and back axle 2b is positioned at the below in the second compartment, and the distance between back axle 2b and hinge assembly 7 is greater than the distance between back axle 2b and the rear wall in the second compartment.
According to the pure electric articulated passenger car 100 of the utility model embodiment, the pure driven by power of car load, zero-emission, environmentally safe.Simultaneously by adopting two to drive vehicle bridge 2, passenger can utilize space large, travelling comfort is good, driving stability, safety factor is high, owing to can tire on the drive wheels group rotating by being provided with wheel limit drive motor 4 and wheel reduction gear 3, has cancelled the drive disk assemblies such as traditional power-transfer clutch, change speed gear box and transmission shaft again, alleviate complete vehicle weight, reduced energy consumption.And this pure electric articulated passenger car 100 can be realized multiple drive modes, with minimum energy consumption, meets tractive performance demand.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.

Claims (8)

1. a pure electric articulated passenger car, is characterized in that, comprising:
Compartment, described compartment comprises the first compartment and the second compartment, between described the first compartment and described the second compartment, by hinge assembly, connects;
Vehicle frame, described vehicle frame is positioned at the below in described compartment;
A plurality of driving vehicle bridge, described a plurality of driving vehicle bridge is isolated being located on described vehicle frame on fore-and-aft direction, described a plurality of driving vehicle bridge lays respectively at the below in described the first compartment and described the second compartment, drives the two ends, left and right of vehicle bridge to be respectively equipped with one group of tire sets described in each;
A plurality of wheel reduction gears, described in every group, tire sets is connected with a corresponding described wheel reduction gear, and described in each, wheel reduction gear is located in corresponding described driving vehicle bridge;
A plurality of limit drive motor of taking turns, described in each, wheel reduction gear is connected with a corresponding described limit drive motor of taking turns, and takes turns limit drive motor described in each to be located in corresponding described driving vehicle bridge.
2. pure electric articulated passenger car according to claim 1, is characterized in that, the described power difference of taking turns limit drive motor of adjacent described driving vehicle bridge.
3. pure electric articulated passenger car according to claim 1, is characterized in that, described vehicle frame is truss type frame.
4. pure electric articulated passenger car according to claim 1, is characterized in that, described vehicle frame is high-strength steel part.
5. pure electric articulated passenger car according to claim 1, is characterized in that, described driving vehicle bridge is two.
6. pure electric articulated passenger car according to claim 5, it is characterized in that, the driving vehicle bridge below described the first compartment and the distance between described hinge assembly are less than driving vehicle bridge below described the second compartment and the distance between described hinge assembly.
7. pure electric articulated passenger car according to claim 6, is characterized in that, the driving vehicle bridge that is positioned at described the second below, compartment is positioned at the rear in described the second compartment.
8. pure electric articulated passenger car according to claim 1, is characterized in that, described in every group, tire sets comprises two tires.
CN201320562123.5U 2013-09-10 2013-09-10 Pure electric articulated bus Expired - Lifetime CN203486031U (en)

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CN201320562123.5U CN203486031U (en) 2013-09-10 2013-09-10 Pure electric articulated bus

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CN201320562123.5U CN203486031U (en) 2013-09-10 2013-09-10 Pure electric articulated bus

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105346608A (en) * 2014-08-22 2016-02-24 湖南南车时代电动汽车股份有限公司 Full-axis-turning multi-axis-driving electric automobile train
CN107985099A (en) * 2017-11-30 2018-05-04 中车株洲电力机车有限公司 A kind of trolleybus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105346608A (en) * 2014-08-22 2016-02-24 湖南南车时代电动汽车股份有限公司 Full-axis-turning multi-axis-driving electric automobile train
CN107985099A (en) * 2017-11-30 2018-05-04 中车株洲电力机车有限公司 A kind of trolleybus

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Granted publication date: 20140319

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