CN204586516U - Vehicle and Power Train thereof are unified change-speed box - Google Patents
Vehicle and Power Train thereof are unified change-speed box Download PDFInfo
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- CN204586516U CN204586516U CN201520009312.9U CN201520009312U CN204586516U CN 204586516 U CN204586516 U CN 204586516U CN 201520009312 U CN201520009312 U CN 201520009312U CN 204586516 U CN204586516 U CN 204586516U
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Abstract
The utility model discloses a kind of vehicle and Power Train thereof to unify change-speed box.Change-speed box for vehicle comprises: transmission power input part and transmission power efferent, described transmission power efferent be configured to be suitable for by from the Power output on described transmission power input part to the wheel of described vehicle; Power taking structure, described power taking structure comprises power taking structure input end and power taking structure output end, described power taking structure input end is arranged to link with at least one in described transmission power input part and described transmission power efferent, and described power taking structure output end is arranged to optionally engage described power taking structure input end to export the power from described power taking structure input end.According to the change-speed box of the utility model embodiment, compact conformation, diverse in function and driving efficiency is high.
Description
Technical field
The utility model relates to vehicular field, unifies have the vehicle of this power drive system in particular to a kind of change-speed box for vehicle, the Power Train for vehicle with this change-speed box.
Background technology
Power taking structure can be connected by intermediate gearing with the change-speed box of vehicle, and such arrangement driving efficiency is low, and take up room large, and failure risk increases, productive costs is high, there is room for improvement.
Utility model content
The utility model is intended to solve one of above-mentioned technical matters of the prior art at least to a certain extent.For this reason, an object of the present utility model is to propose a kind of compact conformation, the change-speed box for vehicle that driving efficiency is high.
Another object of the present utility model is to propose a kind of power drive system for vehicle with the above-mentioned change-speed box for vehicle.
Another object of the present utility model is to propose a kind of vehicle with the above-mentioned power drive system for vehicle.
The change-speed box for vehicle according to the utility model first aspect comprises: transmission power input part and transmission power efferent, described transmission power efferent be configured to be suitable for by from the Power output on described transmission power input part to the wheel of described vehicle; Power taking structure, described power taking structure comprises power taking structure input end and power taking structure output end, described power taking structure input end is arranged to link with at least one in described transmission power input part and described transmission power efferent, and described power taking structure output end is arranged to optionally engage described power taking structure input end to export the power from described power taking structure input end.
According to the change-speed box for vehicle of the present utility model, and the Power output of at least one in transmission power input part and transmission power efferent is to power taking structure input end, and power taking structure output end optionally exports the power from power taking structure input end, thus make the compact conformation of change-speed box, volume is little, driving efficiency is high and productive costs is low, can also be other device input queued switches power to be driven while providing propulsive effort for vehicle.Because at least one in power taking structure input end and transmission power input part and transmission power efferent links, thus drive disk assembly is few, and driving efficiency is high, and can reduce rate of breakdown, reduces manufacturing cost.
Described power taking vibrational power flow is in the housing of described change-speed box, and described power taking structure input end comprises: power take-off gear, and described power taking structure output end comprises power taking axle.
Described power take-off gear empty set is on described power taking axle, and described power taking structure also comprises: switchover apparatus, and described switchover apparatus is arranged to can optionally synchronous described power take-off gear and described power taking axle.
Described switchover apparatus comprises power taking synchro.
Described transmission power input part comprises: input shaft and the gear driving gear be arranged on described input shaft; Described transmission power efferent comprises: output shaft and the gear driven gear be arranged on described output shaft, described gear driven gear engages accordingly with described gear driving gear.
Described power take-off gear and the direct engaged transmission of described gear driving gear.
Described input shaft is also provided with input gear, described input gear and described gear driving gear spaced apart vertically, described power take-off gear and the direct engaged transmission of described input gear.
Described transmission power input part comprises: the first axle and the first gear be fixed on described first axle; Described transmission power efferent comprises: multiple driven gear on described second axle of the second axle, empty set and tween drive shaft, described second axle and described first axle are coaxially arranged, and described second axle is arranged to optionally be coupling with described first close, described tween drive shaft is fixed with the first intermediate gear and multiple gear intermediate gear, described first intermediate gear and described first gears meshing, described multiple gear intermediate gear engages correspondingly with described multiple driven gear.
Described multiple driven gear comprises a gear gear driven gear, two gear gear driven gears and three gear gear driven gears; Described multiple gear intermediate gear comprise to keep off with described one that gear driven gear engages one keep off gear intermediate gear, keep off with described two that gear driven gear engages two keep off gear intermediate gear and with described three keep off that gear driven gear engages three keep off gear intermediate gear; Described transmission power efferent also comprises: one or four gear synchros, and described one or four gear synchros one of being arranged to optionally described second axle and described first axle and described be kept off in gear driven gear engage; Two or three gear synchros, described two or three gear synchros are arranged to optionally to be kept off by described second axle and described two one that gear driven gear and described three keeps off in gear driven gear and are engaged.
Described second axle is also provided with output gear, and described output gear keeps off between gear driven gear at a described gear gear driven gear and described two.
Described power take-off gear and the direct engaged transmission of described first intermediate gear.
The change-speed box for vehicle described in first aspect is comprised according to the power drive system for vehicle of the utility model second aspect; Propulsion source, described propulsion source is connected with described transmission power input part.
According to the power drive system for vehicle of the present utility model, by arranging the change-speed box for vehicle above-mentioned according to the utility model, thus there is compact conformation, driving efficiency advantages of higher.
Alternatively, described propulsion source is dynamotor and/or driving engine.
The power drive system for vehicle described in second aspect is comprised according to the vehicle of the utility model third aspect, thus the advantage such as it is high to have driving efficiency, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the arrangement plan of the power drive system for vehicle according to the utility model embodiment;
Fig. 2 is the structural representation of the power drive system for vehicle shown in Fig. 1;
Fig. 3 is the structural representation of the propulsion source of the power drive system for vehicle shown in Fig. 1 and the junction of transmission power input part;
Fig. 4 is the structural representation of the power drive system for vehicle according to another embodiment of the utility model.
Fig. 5 is the structural representation of the power drive system for vehicle according to another embodiment of the utility model;
Fig. 6 is the structural representation of the propulsion source of the power drive system for vehicle shown in Fig. 5 and the junction of transmission power input part.
Reference numeral:
For the power drive system 1000 of vehicle, for the change-speed box 100 of vehicle, transmission power input part 1, input shaft 11, gear driving gear 12, one gear driving gear 121, two gear driving gears 122, input gear 13, transmission power efferent 2, output shaft 21, gear driven gear 22, one gear driven gear 221, two gear driven gears 222, one or two gear synchros 223, output gear 23, transmission power input part 1, first axle 11a, first gear 12a, transmission power efferent 2, second axle 21a, one gear gear driven gear 221a, two gear gear driven gear 222a, three gear gear driven gear 223a, tween drive shaft 23a, first intermediate gear 24a, one gear gear intermediate gear 251a, two gear gear intermediate gear 252a, three gear gear intermediate gear 253a, one or four gear synchro 26a, two or three gear synchro 27a, power taking structure 3, power taking structure input end 31, power take-off gear 311, power taking structure output end 32, power taking axle 321, switchover apparatus 33, diff 4, diff driven gear 41, propulsion source 5, propulsion source output shaft 51, propulsion source driving gear 52, bearing of input shaft 61, output shaft bearing 62, power taking axle bearing 63, differential bearing 64, propulsion source output shaft bearing 65, tween drive spindle 71, intermediate transmission shaft gear 711.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to 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 instruction such as term " axis " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrically connected maybe can communicate with one another; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Referring to Fig. 1-Fig. 6, the power drive system 1000 for vehicle according to the utility model embodiment is described.As shown in figs 1 to 6, change-speed box 100 for vehicle and propulsion source 5 is comprised according to the power drive system 1000 for vehicle of the utility model embodiment.
First with reference to Fig. 1-Fig. 6, the change-speed box 100 for vehicle according to the utility model embodiment is described.As shown in figs 1 to 6, transmission power input part 1, transmission power efferent 2 and power taking structure 3 is comprised according to the change-speed box 100 for vehicle of the utility model embodiment.
Transmission power efferent 2 be configured to be suitable for by from the Power output on transmission power input part 1 to the wheel of vehicle.Such as, the wheel being exported to vehicle from the power on transmission power input part 1 by diff 4 can be travelled to drive vehicle by transmission power efferent 2.Alternatively, as shown in Figure 2 and Figure 4, diff 4 can be bearing on housing by differential bearing 64, and particularly, differential casing can be bearing on housing by differential bearing 64.
Alternatively, power taking structure 3 is arranged in the housing of change-speed box 100, and that is, power taking structure 3 is integrated in housing, thus the more compact structure of change-speed box 100.Certainly, power taking structure 3 also can arrange separately a power taking housing, and this power taking housing is connected with the housing of change-speed box 100.
Shown in Fig. 1-Fig. 6, power taking structure 3 comprises power taking structure input end 31 and power taking structure output end 32.Power taking structure input end 31 is arranged to link with at least one in transmission power input part 1 and transmission power efferent 2.That is, power taking structure input end 31 can be arranged to link with transmission power input part 1, power taking structure input end 31 also can be arranged to link with transmission power efferent 2, and power taking structure input end 31 can also be arranged to link with transmission power input part 1 and link with transmission power efferent 2 simultaneously.The action that wherein " interlock " refers between two parts has initiatively and driven relation, and a component actuation drives another component actuation.
Power taking structure output end 32 is arranged to optionally engage power taking structure input end 31 to export the power from power taking structure input end 31.That is, when power taking structure output end 32 engages with power taking structure input end 31, the Power output from power taking structure input end 31 can be given other device to be driven by power taking structure output end 32.
Wherein, transmission power input part 1 is connected with propulsion source 5.That is, propulsion source 5 is transmission power input part 1 input power.Alternatively, propulsion source 5 can be dynamotor and/or driving engine, namely propulsion source 5 can be dynamotor, propulsion source 5 also can be driving engine, propulsion source 5 can also be dynamotor and driving engine, i.e. export to transmission power input part 1 after the power coupling that the power of dynamotor output and driving engine export.
When the change-speed box 100 for vehicle only needs to drive vehicle, the power of propulsion source 5 exports to the wheel of vehicle successively by transmission power input part 1, transmission power efferent 2, diff 4, thus drives vehicle to travel.
When needs drive other device to be driven, the part of the power of propulsion source 5 exports to the wheel of vehicle successively by transmission power input part 1, transmission power efferent 2, diff 4.Another part of the power of propulsion source 5 exports to other device to be driven by least one in transmission power input part 1 and transmission power efferent 2, power taking structure input end 31, power taking structure output end 32 successively.
According to the change-speed box 100 for vehicle of the utility model embodiment, the Power output of at least one in transmission power input part 1 and transmission power efferent 2 is to power taking structure input end 31, and power taking structure output end 32 optionally exports the power from power taking structure input end 31, thus make the compact conformation of change-speed box 100, volume is little, driving efficiency is high and productive costs is low, can also be other device input queued switches power to be driven while providing propulsive effort for vehicle.Because power taking structure input end 31 and at least one in transmission power input part 1 and transmission power efferent 2 link, thus drive disk assembly is few, and driving efficiency is high, and can reduce rate of breakdown, reduces manufacturing cost.
According to the power drive system 1000 for vehicle of the utility model embodiment, by arranging the change-speed box 100 for vehicle according to the utility model above-described embodiment, thus there is compact conformation, driving efficiency advantages of higher.
Referring to Fig. 1-Fig. 4, some specific embodiments according to the power drive system 1000 for vehicle of the present utility model are described.As shown in figs 1 to 6, propulsion source 5 is comprised, for the change-speed box 100 of vehicle and diff 4 according to the power drive system 1000 for vehicle of the present utility model.Change-speed box 100 for vehicle comprises housing, transmission power input part 1, transmission power efferent 2, power taking structure 3.
With reference to shown in Fig. 1, Fig. 2 and Fig. 4, in of the present utility model first embodiment, the gear driving gear 12 that transmission power input part 1 can comprise input shaft 11 and be arranged on input shaft 11.As shown in Figure 2 and Figure 4, input shaft 11 can be bearing on housing by bearing of input shaft 61.Alternatively, gear driving gear 12 and input shaft 11 can be integrally formed, gear driving gear 12 can also to be connected with input shaft 11 synchronous axial system by spline structure with input shaft 11, certain gear driving gear 12 is not limited thereto with the connection mode of input shaft 11, and gear driving gear 12 can also be connected by keyway arrangements with input shaft 11.
With reference to shown in Fig. 1, Fig. 2 and Fig. 4, the gear driven gear 22 that transmission power efferent 2 can comprise output shaft 21 and be arranged on output shaft 21.Output shaft 21 is bearing on housing by output shaft bearing 62.
Gear driven gear 22 engages accordingly with gear driving gear 12.Two gears are comprised for change-speed box 100, as shown in Figure 2 and Figure 4, gear driving gear 12 comprises gear driving gear 121 and two gear driving gears 122, gear driven gear 22 comprises gear driven gear 221 and two gear driven gears 222, one gear driving gear 121 and keeps off driven gear 221 and engages, and two gear driving gears 122 and two keep off driven gear 222 and engage.
Wherein, one gear driven gear 221 and the equal empty set of two gear driven gears 222 are on output shaft 21, and be provided with one or two gear synchros 223 between a gear driven gear 221 and two gear driven gears 222, when one or two gear synchros 223 engage a gear driven gear 221 with output shaft 21, change-speed box 100 exports with a gear, when one or two gear synchros 223 engage two gear driven gears 222 with output shaft 21, change-speed box 100 with and gear exports.The speed changing function of change-speed box 100 can be realized thus.When one or two gear synchros are positioned at neutral gear position, a gear driven gear 221 and two gear driven gears 222 can dally around output shaft 21.
Be understandable that, gear driving gear 12 can be multiple, and gear driven gear 22 also can be multiple, and multiple gear driving gear 12 engages correspondingly with multiple gear driven gear 22, thus realizes multi-gear transmission.Wherein power take-off gear 311 can with in the one or more gear driven gears 22 in multiple gear driving gear 12 one directly engage.The structure of one or two gear synchros 223 is known to those skilled in the art, no longer describes in detail at this.
Shown in Fig. 2-Fig. 4, power taking structure 3 can comprise power taking structure input end 31, power taking structure output end 32 and switchover apparatus 33.
Power taking structure input end 31 can comprise power take-off gear 311, and power taking structure output end 32 can comprise power taking axle 321, and as shown in Figure 2 and Figure 4, power taking axle 321 can be bearing on housing by power taking axle bearing 63.Power take-off gear 311 empty set is on power taking axle 321, and namely power take-off gear 311 can rotate relative to power taking axle 321, and that is, when power take-off gear 311 rotates, power taking axle 321 can not rotate.
Switchover apparatus 33 is arranged to can optionally synchronous power take-off gear 311 and power taking axle 321.That is, when device to be driven needs power, switchover apparatus 33 is synchronous with power taking axle 321 by power take-off gear 311, thus the Power output that power take-off gear 311 exports by power taking axle 321 is to device to be driven.When device to be driven does not need power, power take-off gear 311 is separated with power taking axle 321, and power take-off gear 311 can dally around power taking axle 321.
Alternatively, switchover apparatus 33 can comprise power taking synchro, and the structure of switchover apparatus 33 is simple thus, low cost of manufacture.Particularly, as shown in figs 2-4, power taking synchro comprises all the time by sliding sleeve and the tooth hub structure of inside and outside spline engagement.
The tooth hub of power taking synchro can be connected with power taking axle 321 by spline structure, and the tooth hub of power taking synchro can also be connected on power taking axle 321 in interference.
When the sliding sleeve of power taking synchro is by being meshed with the male splines of power take-off gear 311 side and tooth hub while of fork effect, then power taking axle 321 engages with power take-off gear 311, power is delivered to power taking axle 321 through power take-off gear 311, and gives device to be driven by structure outputs such as the spline of power taking axle 321 one end or drive couplings.When the sliding sleeve of power taking synchro is not engaged with the male splines of power take-off gear 311 side by fork effect, power take-off gear 311 dallies on power taking axle 321, then do not have Power output.
As shown in Figure 1-Figure 3, in optional embodiments more of the present utility model, propulsion source 5 is connected by driving device with transmission power input part 1, propulsion source 5 has propulsion source output shaft 51, propulsion source output shaft 51 can be bearing on housing by propulsion source output shaft bearing 65, and driving device comprises the propulsion source driving gear 52 be arranged on propulsion source output shaft 51.
Input shaft 11 is also provided with input gear 13, propulsion source driving gear 52 engages with input gear 13, axially spaced along input shaft 11 of input gear 13 and gear driving gear 12, in a concrete example as shown in Figure 2, the axis along input shaft 11 is disposed with input gear 13, and keeps off driving gear 121 and two gear driving gears 122.
As shown in Figure 1-Figure 3, in this embodiment, power take-off gear 311 and input gear 13 directly engaged transmission.The power transfer path of change-speed box 100 is short thus, and compact conformation.
Output shaft 21 is also provided with output gear 23, and output gear 23 engages with the diff driven gear 41 be arranged on diff 4.Alternatively, diff driven gear 41 can be fastened on differential casing by threaded fasteners, and diff driven gear 41 also can be welded on differential casing.
Be two shift transmissions 100 with change-speed box 100, and power take-off gear 311 is example with the direct engaged transmission of input gear 13, in power drive system 1000 as shown in Figure 1-Figure 3, the power of propulsion source 5 passes to input shaft 11 through propulsion source output shaft 51, propulsion source driving gear 52, input gear 13 successively.
When the change-speed box 100 for vehicle is a gear and only needs to drive vehicle, one or two gear synchros 223 engage a gear driven gear 221 and output shaft 21, and the power that input shaft 11 exports keeps off by a gear driving gear 121, a wheel that driven gear 221,1 keeps off synchro 223, output shaft 21, output gear 23, diff driven gear 41 pass to vehicle successively.Now, power take-off gear 311 is asynchronous with power taking axle 321, and power take-off gear 311 dallies around power taking axle 321 under the drive of input gear 13.
When the change-speed box 100 for vehicle is two gears and only needs to drive vehicle, one or two gear synchros 223 engage two gear driven gears 222 and output shaft 21, and the power that input shaft 11 exports keeps off by two gear driving gears 122, two wheel that driven gears 222,1 keep off synchros 223, output shaft 21, output gear 23, diff driven gear 41 pass to vehicle successively.Now, power take-off gear 311 is asynchronous with power taking axle 321, and power take-off gear 311 dallies around power taking axle 321 under the drive of input gear 13.
When needs drive device to be driven, switchover apparatus 33 engages power take-off gear 311 and power taking axle 321, and a part for the power that input shaft 11 exports exports device to be driven to by input gear 13, power take-off gear 311, switchover apparatus 33, power taking axle 321 successively.
Another part of the power that input shaft 11 exports keeps off by a gear driving gear 121, a wheel that driven gear 221,1 keeps off synchro 223, output shaft 21, output gear 23, diff driven gear 41 pass to vehicle, or keeps off by two gear driving gears 122, two wheel that driven gears 222,1 keep off synchros 223, output shaft 21, output gear 23, diff driven gear 41 pass to vehicle.
As shown in Figure 4, in other optional embodiments of the present utility model, propulsion source 5 is directly connected with transmission power input part 1, and that is, propulsion source output shaft 51 and input shaft 11 can coaxially be arranged.Power take-off gear 311 and gear driving gear 12 directly engaged transmission, such as power take-off gear 311 and keeps off driving gear 121 directly engaged transmission.The power transfer path of change-speed box 100 is shorter thus, and more compact structure.
Output shaft 21 is also provided with output gear 23, and output gear 23 engages with the diff driven gear 41 be arranged on diff 4.Alternatively, diff driven gear 41 can be fastened on differential casing by threaded fasteners, and diff driven gear 41 also can be welded on differential casing.
Be two shift transmissions 100 with change-speed box 100, and power take-off gear 311 and keeps off the initiatively direct engaged transmission of shift gear is example, in power drive system 1000 as shown in Figure 4, the power of propulsion source 5 is directly passed to input shaft 11 through propulsion source output shaft 51.
When the change-speed box 100 for vehicle is a gear and only needs to drive vehicle, one or two gear synchros 223 engage two gear driven gears 222 and output shaft 21, and the power that input shaft 11 exports keeps off by a gear driving gear 121, a wheel that driven gear 221,1 keeps off synchro 223, output shaft 21, output gear 23, diff driven gear 41 pass to vehicle successively.Now, power take-off gear 311 is asynchronous with power taking axle 321, and power take-off gear 311 dallies around power taking axle 321 under the drive of a gear driving gear 121.
When the change-speed box 100 for vehicle is two gears and only needs to drive vehicle, one or two gear synchros 223 engage two gear driven gears 222 and output shaft 21, and the power that input shaft 11 exports keeps off by two gear driving gears 122, two wheel that driven gears 222,1 keep off synchros 223, output shaft 21, output gear 23, diff driven gear 41 pass to vehicle successively.Now, power take-off gear 311 is asynchronous with power taking axle 321, and power take-off gear 311 dallies around power taking axle 321 under the drive of a gear driving gear 121.
When needs drive device to be driven, switchover apparatus 33 engages power take-off gear 311 and power taking axle 321, and a part for the power that input shaft 11 exports exports device to be driven to by a gear driving gear 121, power take-off gear 311, switchover apparatus 33, power taking axle 321 successively.
Another part of the power that input shaft 11 exports keeps off by a gear driving gear 121, a wheel that driven gear 221,1 keeps off synchro 223, output shaft 21, output gear 23, diff driven gear 41 pass to vehicle, or keeps off by two gear driving gears 122, two wheel that driven gears 222,1 keep off synchros 223, output shaft 21, output gear 23, diff driven gear 41 pass to vehicle.
With reference to shown in Fig. 5 and Fig. 6, in second embodiment of the present utility model, transmission power input part 1 can comprise: the first axle 11a, the first gear 12a be fixed on the first axle 11a, and the first gear 12a can with the first axle 11a synchronous axial system.Transmission power efferent 2 can comprise the second axle 21a, multiple driven gear and tween drive shaft 23a.Multiple driven gear empty set is on the second axle 21a, and namely driven gear can rotate relative to the second axle 21a, and that is, when driven gear rotates, the second axle 21a can not rotate.
In this embodiment, power take-off gear 311 can with the direct engaged transmission of the first intermediate gear 24a, the power transfer path of change-speed box 100 is short thus, and compact conformation.
As shown in Figure 5, second axle 21a and the first axle 11a is coaxially arranged, and the second axle 21a can be arranged to optionally engage with the first axle 11a, that is, second axle 21a can with the first axle 11a with the first axle 11a synchronous axial system, and the second axle 21a also can be separated with the first axle 11a.
Tween drive shaft 23a is fixed with the first intermediate gear 24a and multiple gear intermediate gear, that is, the first intermediate gear 24a can with tween drive shaft 23a synchronous axial system, and each in multiple gear intermediate gear all can with tween drive shaft 23a synchronous axial system.
Wherein, first intermediate gear 24a engages with the first gear 12a, and multiple gear intermediate gear engages correspondingly with multiple driven gear, that is, the number of gear intermediate gear is equal with the number of driven gear, and gear intermediate gear with one accordingly driven gear engage.
In a concrete example as shown in Figure 5, multiple driven gear can comprise a gear gear driven gear 221a, two gear gear driven gear 222a and three gear gear driven gear 223a.Multiple gear intermediate gear can comprise a gear gear intermediate gear 251a, two gear gear intermediate gear 252a and three gear gear intermediate gear 253a.Wherein, a gear gear intermediate gear 251a and keeps off gear driven gear 221a and engages, and two gear gear intermediate gear 252a and two keep off gear driven gear 222a and engage, and three gear gear intermediate gear 253a and three keep off gear driven gear 223a and engage.
Further, transmission power efferent 2a can also comprise one or four gear synchro 26a and two or three gear synchro 27a.
One or four gear synchro 26a, of being arranged to optionally the second axle 21a and the first axle 11a and be kept off in gear driven gear 221a engages.That is, second axle 21a can engage with the first axle 11a synchronous axial system by one or four gear synchro 26a with the first axle 11a, or the second axle 21a can keep off synchro 26a and by one or four and keep off gear driven gear 221a and engage to make the second axle 21a and keep off gear driven gear 221a synchronous axial system.
Two or three gear synchro 27a are arranged to optionally to be kept off by the second axle 21a and two one that gear driven gear 222a and three keeps off in gear driven gear 223a and engage, that is, second axle 21a can keep off gear driven gear 222a by two or three gear synchro 27a and two and engage to make the second axle 21a and two keep off gear driven gear 222a synchronous axial system, or the second axle 21a can keep off synchro 27a and three by two or three and keep off gear driven gear 223a and engage to make the second axle 21a and three keep off gear driven gear 223a synchronous axial system.
As shown in Figure 5, the second axle 21a can also be provided with output gear 23, output gear 23 can keep off between gear driven gear 222a, thus for the more compact structure of the change-speed box 100 of vehicle at a gear gear driven gear 221a and two.
As shown in Figure 6, in a specific embodiment of the present utility model, propulsion source 5 is connected by driving device with transmission power input part 1, propulsion source 5 has propulsion source output shaft 51, propulsion source output shaft 51 can be bearing on housing by propulsion source output shaft bearing 65, driving device can comprise the propulsion source driving gear 52 be arranged on propulsion source output shaft 51, tween drive spindle 71, the intermediate transmission shaft gear 711 be located on tween drive spindle 71, and wherein intermediate transmission shaft gear 711 engages with propulsion source driving gear 52 and the first gear 12a respectively.
Composition graphs 5 and four-speed gear shift device 100 illustrated in fig. 6, in power drive system 1000 as shown in Figure 5, the power of propulsion source 5 passes to the first axle 11a through propulsion source output shaft 51, propulsion source driving gear 52, tween drive spindle 71, intermediate transmission shaft gear 711, first gear 12a.
When the change-speed box 100 for vehicle is a gear and only needs to drive vehicle, one or four gear synchro 26a engage gear gear driven gear 221a and the second axle 21a, and the power that the first axle 11a exports passes to the wheel of vehicle successively by the first gear 12a, the first intermediate gear 24a, tween drive shaft 23a, a gear gear intermediate gear 251a, a gear gear driven gear 221a, the second axle 21a, output gear 23, diff driven gear 41.Now, power take-off gear 311 is asynchronous with power taking axle 321, and power take-off gear 311 dallies around power taking axle 321 under the drive of the first intermediate gear 24a.
When the change-speed box 100 for vehicle is two gears and only needs to drive vehicle, two or three gear synchro 27a engage two gear gear driven gear 222a and the second axle 21a, and the power that the first axle 11a exports passes to the wheel of vehicle successively by the first gear 12a, the first intermediate gear 24a, tween drive shaft 23a, two gear gear intermediate gear 252a, two gear gear driven gear 222a, the second axle 21a, output gear 23, diff driven gear 41.Now, power take-off gear 311 is asynchronous with power taking axle 321, and power take-off gear 311 dallies around power taking axle 321 under the drive of the first intermediate gear 24a.
When the change-speed box 100 for vehicle is three gears and only needs to drive vehicle, two or three gear synchro 27a engage three gear gear driven gear 223a and the second axle 21a, and the power that the first axle 11a exports passes to the wheel of vehicle successively by the first gear 12a, the first intermediate gear 24a, tween drive shaft 23a, three gear gear intermediate gear 253a, three gear gear driven gear 223a, the second axle 21a, output gear 23, diff driven gear 41.Now, power take-off gear 311 is asynchronous with power taking axle 321, and power take-off gear 311 dallies around power taking axle 321 under the drive of the first intermediate gear 24a.
When the change-speed box 100 for vehicle is four gears and only needs to drive vehicle, one or four gear synchro 26a engage the first axle 11a and the second axle 21a, and the power that the first axle 11a exports passes to the wheel of vehicle successively by the second axle 21a, output gear 23, diff driven gear 41.Now, power take-off gear 311 is asynchronous with power taking axle 321, and power take-off gear 311 dallies around power taking axle 321 under the drive of the first intermediate gear 24a.
That is, when the change-speed box 100 for vehicle is four gears and only needs to drive vehicle, the power of propulsion source 5 passes to the wheel of vehicle successively through propulsion source output shaft 51, propulsion source driving gear 52, tween drive spindle 71, intermediate transmission shaft gear 711, first gear 12a, the first axle 11a, the second axle 21a, output gear 23, diff driven gear 41.In other words, now the transmission of power of propulsion source 5 is not only given the first axle 11a by the first gear 12a, and the first gear 12a also outputs power to the second axle 21a as four gear gear driven gears of four-speed gear shift device 100 illustrated in fig. 5.
When needs drive device to be driven, the part that switchover apparatus 33 engages the power of power take-off gear 311 and power taking axle 321, first axle 11a output exports device to be driven to by the first gear 12a, the first intermediate gear 24a, power take-off gear 311, switchover apparatus 33, power taking axle 321 successively.
The another part of the power that first axle 11a exports can pass through the first gear 12a successively, first intermediate gear 24a, tween drive shaft 23a, one gear gear intermediate gear 251a, one gear gear driven gear 221a, second axle 21a, output gear 23, diff driven gear 41 passes to the wheel of vehicle, or the first gear 12a can be passed through successively, first intermediate gear 24a, tween drive shaft 23a, two gear gear intermediate gear 252a, two gear gear driven gear 222a, second axle 21a, output gear 23, diff driven gear 41 passes to the wheel of vehicle, or successively by the first gear 12a, first intermediate gear 24a, tween drive shaft 23a, three gear gear intermediate gear 253a, three gear gear driven gear 223a, second axle 21a, output gear 23, diff driven gear 41 passes to the wheel of vehicle, or successively by the second axle 21a, output gear 23, diff driven gear 41 passes to the wheel of vehicle.
The utility model additionally provides a kind of vehicle, and this vehicle comprises the power drive system 1000 for vehicle described in above-described embodiment, thus the advantage such as it is high to have driving efficiency, low cost of manufacture.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this specification sheets or example can carry out engaging and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (14)
1. for a change-speed box for vehicle, it is characterized in that, comprising:
Transmission power input part and transmission power efferent, described transmission power efferent be configured to be suitable for by from the Power output on described transmission power input part to the wheel of described vehicle;
Power taking structure, described power taking structure comprises power taking structure input end and power taking structure output end, described power taking structure input end is arranged to link with at least one in described transmission power input part and described transmission power efferent, and described power taking structure output end is arranged to optionally engage described power taking structure input end to export the power from described power taking structure input end.
2. the change-speed box for vehicle according to claim 1, is characterized in that, described power taking vibrational power flow is in the housing of described change-speed box, and described power taking structure input end comprises: power take-off gear, and described power taking structure output end comprises power taking axle.
3. the change-speed box for vehicle according to claim 2, it is characterized in that, described power take-off gear empty set is on described power taking axle, and described power taking structure also comprises: switchover apparatus, described switchover apparatus is arranged to can optionally synchronous described power take-off gear and described power taking axle.
4. the change-speed box for vehicle according to Claims 2 or 3, is characterized in that, described switchover apparatus comprises power taking synchro.
5. the change-speed box for vehicle according to claim 3, is characterized in that, described transmission power input part comprises: input shaft and the gear driving gear be arranged on described input shaft;
Described transmission power efferent comprises: output shaft and the gear driven gear be arranged on described output shaft, described gear driven gear engages accordingly with described gear driving gear.
6. the change-speed box for vehicle according to claim 5, is characterized in that, described power take-off gear and the direct engaged transmission of described gear driving gear.
7. the change-speed box for vehicle according to claim 5, is characterized in that, described input shaft is also provided with input gear, described input gear and described gear driving gear spaced apart vertically, described power take-off gear and the direct engaged transmission of described input gear.
8. the change-speed box for vehicle according to claim 4, is characterized in that, described transmission power input part comprises: the first axle and the first gear be fixed on described first axle;
Described transmission power efferent comprises: multiple driven gear on described second axle of the second axle, empty set and tween drive shaft, described second axle and described first axle are coaxially arranged, and described second axle is arranged to optionally be coupling with described first close, described tween drive shaft is fixed with the first intermediate gear and multiple gear intermediate gear, described first intermediate gear and described first gears meshing, described multiple gear intermediate gear engages correspondingly with described multiple driven gear.
9. the change-speed box for vehicle according to claim 8, is characterized in that, described multiple driven gear comprises a gear gear driven gear, two gear gear driven gears and three gear gear driven gears;
Described multiple gear intermediate gear comprise to keep off with described one that gear driven gear engages one keep off gear intermediate gear, keep off with described two that gear driven gear engages two keep off gear intermediate gear and with described three keep off that gear driven gear engages three keep off gear intermediate gear;
Described transmission power efferent also comprises:
One or four gear synchros, described one or four gear synchros one of being arranged to optionally described second axle and described first axle and described be kept off in gear driven gear engage;
Two or three gear synchros, described two or three gear synchros are arranged to optionally to be kept off by described second axle and described two one that gear driven gear and described three keeps off in gear driven gear and are engaged.
10. the change-speed box for vehicle according to claim 8 or claim 9, is characterized in that, described second axle is also provided with output gear, and described output gear keeps off between gear driven gear at a described gear gear driven gear and described two.
11. change-speed boxs for vehicle according to claim 8 or claim 9, is characterized in that, described power take-off gear and the direct engaged transmission of described first intermediate gear.
12. 1 kinds for the power drive system of vehicle, is characterized in that, comprising: the change-speed box for vehicle according to any one of claim 1-11;
Propulsion source, described propulsion source is connected with described transmission power input part.
13. power drive systems for vehicle according to claim 12, is characterized in that, described propulsion source is dynamotor and/or driving engine.
14. 1 kinds of vehicles, is characterized in that, comprising: the power drive system for vehicle according to claim 12 or 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520009312.9U CN204586516U (en) | 2015-01-07 | 2015-01-07 | Vehicle and Power Train thereof are unified change-speed box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520009312.9U CN204586516U (en) | 2015-01-07 | 2015-01-07 | Vehicle and Power Train thereof are unified change-speed box |
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| CN204586516U true CN204586516U (en) | 2015-08-26 |
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| CN201520009312.9U Active CN204586516U (en) | 2015-01-07 | 2015-01-07 | Vehicle and Power Train thereof are unified change-speed box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546055A (en) * | 2016-01-06 | 2016-05-04 | 徐州重型机械有限公司 | Power take off, gearbox and engineering machinery vehicle |
| CN105818681A (en) * | 2015-01-07 | 2016-08-03 | 比亚迪股份有限公司 | Vehicle, and power transmission system and transmission thereof |
| CN107264274A (en) * | 2016-04-08 | 2017-10-20 | 比亚迪股份有限公司 | Electric power assembly and the electric drive axle assembly with it |
-
2015
- 2015-01-07 CN CN201520009312.9U patent/CN204586516U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818681A (en) * | 2015-01-07 | 2016-08-03 | 比亚迪股份有限公司 | Vehicle, and power transmission system and transmission thereof |
| CN105546055A (en) * | 2016-01-06 | 2016-05-04 | 徐州重型机械有限公司 | Power take off, gearbox and engineering machinery vehicle |
| CN105546055B (en) * | 2016-01-06 | 2018-10-02 | 徐州重型机械有限公司 | Power takeoff, gearbox and engineering machinery vehicle |
| CN107264274A (en) * | 2016-04-08 | 2017-10-20 | 比亚迪股份有限公司 | Electric power assembly and the electric drive axle assembly with it |
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