CN203819014U - Double-motor traveling system for vehicle - Google Patents

Double-motor traveling system for vehicle Download PDF

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Publication number
CN203819014U
CN203819014U CN201420113568.XU CN201420113568U CN203819014U CN 203819014 U CN203819014 U CN 203819014U CN 201420113568 U CN201420113568 U CN 201420113568U CN 203819014 U CN203819014 U CN 203819014U
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China
Prior art keywords
motor
vehicle
power
running gear
change speed
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CN201420113568.XU
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Chinese (zh)
Inventor
韩尔樑
邵路
周之光
李会收
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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Priority to CN201420113568.XU priority Critical patent/CN203819014U/en
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Abstract

The utility model discloses a double-motor traveling system for a vehicle. The double-motor traveling system comprises a first motor, a second motor, a connecting device and a speed changing box, wherein a rotor output end of the first motor and a rotor output end of the second motor are connected with the input end of the speed changing box by connecting devices; the output end of the speed changing box is connected with an axle so as to drive wheels to rotate. The double-motor traveling system disclosed by the utility model has the advantages that one low-power motor can be selected for independent driving when the vehicle is under the operating and driving conditions, and the vehicle can be driven by two motors jointly when the vehicle is under the driving condition, so that the loading degree of the motors when the vehicle is under the operating and driving conditions is improved, the operating efficiency of the traveling system of the vehicle is improved, the operating economy of the vehicle is greatly improved and the driving mileage is prolonged.

Description

A kind of double-motor running gear of vehicle
Technical field
The utility model relates to vehicle design field, is specifically related to a kind of double-motor running gear of vehicle.
Background technology
Pickup sweeper is usually used in cleaning, the dedusting of urban highway, generally include for meeting the running gear of vehicular drive demand and for completing the operating system of cleaning ground surface function, the applying working condition of pickup sweeper mainly comprises carries out the operation driving cycle of cleaning function and the vehicle driving-cycle travelling as common vehicle.At pickup sweeper during in operation driving cycle or in vehicle driving-cycle, by the propulsion source of running gear, drive Vehicle Driving Cycle.
In the prior art, the running gear of pickup sweeper generally includes an engine installation, driving engine for example, and this engine installation need to be according to truck technical requirements apolegamy, and can meet the power demand of vehicle driving-cycle.But, pickup sweeper is when operation driving cycle, the speed of a motor vehicle is low, power demand is less than the power demand of pickup sweeper in vehicle driving-cycle, the degree of loading of engine installation low (degree of loading equals the power demand of current working and the ratio of maximum power requirement) now, and in actual applications, the time of pickup sweeper in operation driving cycle will be much larger than the time in vehicle driving-cycle, like this, the engine installation of pickup sweeper can be in a long time in the low state of degree of loading, thereby causes the operating efficiency of vehicle to run system lower.
Utility model content
In view of this, main purpose of the present utility model is to provide a kind of double-motor running gear of vehicle, to solve the lower technical matters of operating efficiency of pickup sweeper running gear in prior art.
For addressing the above problem, the technical scheme that the utility model provides is as follows:
A double-motor running gear for vehicle, described running gear comprises:
The first motor, the second motor, connecting device and change speed gear box;
By described connecting device, make the rotor mouth of described the first motor, the rotor mouth of described the second motor is connected with the input end of described change speed gear box;
The mouth of described change speed gear box is connected with vehicle bridge, drives vehicle wheel rotation.
Accordingly, the power of described the first motor is greater than the power of described the second motor;
The power of described the second motor is more than or equal to the power demand of vehicle when operation driving cycle;
The power sum of the power of described the first motor and described the second motor is more than or equal to the power demand of vehicle in vehicle driving-cycle.
Accordingly, described connecting device is mechanical type flange;
Between described the first motor and described the second motor, be connected described mechanical type flange, the rotor mouth of described the first motor and the rotor mouth of described the second motor are coaxially connected, and the rotor mouth of described the second motor is coaxially connected with the input end of described change speed gear box.
Accordingly, described connecting device is planetary gear train;
By described planetary gear train, the rotor mouth of the rotor mouth of described the first motor, described the second motor is connected with the input end of described change speed gear box.
Accordingly, described running gear also comprises:
Power-transfer clutch, one end of described power-transfer clutch is connected with the rotor mouth of described the second motor, and the other end of described power-transfer clutch is connected with the input end of described change speed gear box.
Accordingly, described running gear also comprises:
Power-transfer clutch, one end of described power-transfer clutch is connected with the rotor mouth of described the first motor, the rotor mouth of described the second motor, and the other end of described power-transfer clutch is connected with the input end of described change speed gear box.
Accordingly, described running gear also comprises:
Electric machine controller, described the first motor, described the second motor are connected with described electric machine controller, and described electric machine controller is used for controlling described the first motor and/or described the second machine operation.
Accordingly, described the first motor, described the second motor are connected with same electric machine controller;
Or described the first motor is connected with an electric machine controller, described the second motor is connected with another electric machine controller.
Accordingly, described running gear also comprises:
Electrokinetic cell, described the first motor, described the second motor are connected with described electrokinetic cell by described electric machine controller, and described electrokinetic cell is used to described the first motor, described the second motor that electric energy is provided.
Accordingly, described running gear is installed on vehicle chassis.
As can be seen here, the utlity model has following beneficial effect:
A kind of running gear with double-motor is proposed in embodiment of the present utility model, make vehicle when operation driving cycle, can select a wherein low power motor individual drive, vehicle can use two motors jointly to drive at vehicle driving-cycle, thereby improved the degree of loading of vehicle motor when operation driving cycle, improved the operating efficiency of vehicle to run system, thereby increased substantially the performance driving economy of vehicle, extended travelled distance.
Accompanying drawing explanation
The double-motor running gear structural representation of Fig. 1 for providing in the utility model embodiment;
Fig. 2 is the schematic diagram of the first motor individual drive pattern in the utility model embodiment double-motor running gear;
Fig. 3 is the schematic diagram of the second motor individual drive pattern in the utility model embodiment double-motor running gear;
Fig. 4 is that in the utility model embodiment double-motor running gear, the first motor is combined the schematic diagram of drive pattern with the second motor.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model embodiment is described in further detail.
Pickup sweeper is when operation driving cycle, power demand is lower, and power demand is higher when travelling as common vehicle, when matching engine installation, need to make the power of engine installation can meet maximum power requirement, so need a high-power engine installation in single-power device running gear.But the characteristic of engine installation has determined that operating efficiency is very low when load is lower, compare with efficient district, can low 20% even more, in prior art in the running gear scheme of single-power device, vehicle engine installation operating efficiency when operation driving cycle be very low.And when the actual use of vehicle, the time that operation is travelled has accounted for 75% left and right of vehicle period of service, the situation that operating efficiency is lower has accounted for the time of run of vehicle 75% left and right.Therefore, prior art exists under operation driving cycle in underload, cannot obtain good operating efficiency, causes vehicle whole efficiency lower, and economy is bad.The technical matters existing for prior art, a kind of vehicle to run system with double-motor is proposed in the utility model embodiment, make vehicle when operation is travelled, can select miniwatt movable motor individual drive, at vehicle driving-cycle, can use two motors jointly to drive, improved movable motor running efficiency of system when operation is travelled, thereby increased substantially the performance driving economy of vehicle, extended travelled distance.
Based on above-mentioned thought, shown in Figure 1, the double-motor running gear of the vehicle providing in the utility model embodiment comprises:
The first motor 1, the second motor 3, connecting device 2 and change speed gear box 5;
By described connecting device, make the rotor mouth of described the first motor, the rotor mouth of described the second motor is connected with the input end of described change speed gear box;
The mouth of described change speed gear box is connected with vehicle bridge 7, drives wheel 6 to rotate.
Concrete, in embodiment more of the present utility model, connecting device is mechanical type flange;
Between the first motor and the second motor, be connected mechanical type flange, the rotor mouth of the first motor and the rotor mouth of the second motor are coaxially connected, the rotor mouth of the second motor is coaxially connected with the input end of change speed gear box.
In embodiment more of the present utility model, running gear can also comprise: power-transfer clutch 4, and one end of power-transfer clutch is connected with the rotor mouth of the second motor, and the other end of power-transfer clutch is connected with the input end of change speed gear box.
Also between the first motor and the second motor, can be connected by mechanical type flange, the rotor of the first motor is one-sided output, the rotor of the second motor is bilateral output, the first motor and the second motor can coaxial rotatings, like this, the mouth of the first motor is connected by flange machinery with the left side rotor mouth of the second motor, the propulsive effort that the first motor produces can be connected with the input shaft of change speed gear box by the second motor right side rotor mouth, the propulsive effort that the second motor produces also can be connected with the input shaft of change speed gear box by the second motor right side rotor mouth, and be passed to whole vehicle drive system, also the output shaft that is change speed gear box is connected to again vehicle bridge, drive vehicle wheel rotation, make Vehicle Driving Cycle.Power-transfer clutch is connected between the second motor and change speed gear box.
In other embodiment of the present utility model, connecting device can be also planetary gear train; By planetary gear train, the rotor mouth of the rotor mouth of the first motor, the second motor is connected with the input end of change speed gear box.Similarly, in embodiment more of the present utility model, running gear can also comprise: power-transfer clutch, and one end of power-transfer clutch is connected with the rotor mouth of the first motor, the rotor mouth of the second motor, and the other end of power-transfer clutch is connected with the input end of change speed gear box.Also the first motor and the second motor can in parallelly use planetary gear train to realize power coupling.
Based on above-described embodiment, shown in Figure 1, in embodiment more of the present utility model, running gear can also comprise: electric machine controller 9, the first motor, the second motor are connected with electric machine controller, and electric machine controller is used for controlling the first motor and/or the second machine operation.The first motor, the second motor are connected with same electric machine controller; Or the first motor is connected with an electric machine controller, the second motor is connected with another electric machine controller.Also the first motor and the second motor can be by motor controller controls, also can be by independent separately motor controller controls.
In embodiment more of the present utility model, running gear can also comprise: electrokinetic cell 8, the first motors, the second motor are connected with electrokinetic cell by electric machine controller, and electrokinetic cell is used to the first motor, the second motor that electric energy is provided.
The running gear that the utility model embodiment provides is installed on vehicle chassis.
In embodiment more of the present utility model, the power that the apolegamy of motor can be followed the first motor is greater than the power of the second motor; The power of the second motor is more than or equal to the power demand of vehicle when operation driving cycle; The power sum of the power of the first motor and the second motor is more than or equal to the power demand of vehicle in vehicle driving-cycle.Also the power stage of the second motor can meet the vehicle to run power demand when operation driving cycle, and the gross horsepower of the first motor and the second motor should be able to meet as common vehicle and normally travels and the vehicle power demand of national Specification.Meanwhile, guarantee that the first motor has close or identical speed adjustable range with the second motor, the efficient rotating speed interval of motor should approach as far as possible.
The mode of operation of the running gear that like this, the utility model embodiment provides at least exists following several: the first motor individual drive pattern, the second motor individual drive pattern, the first motor are combined drive pattern with the second motor.Under these three kinds of mode of operations, the first motor keeps being fixedly connected with constant with the rotor of the second motor.The switching of different working modes can, by manually selecting according to the concrete actual travel situation of vehicle, be realized and being controlled by electric machine controller.
Shown in Figure 2, in the first motor individual drive pattern, the first motor and the second motor rotate simultaneously, and rotating speed is consistent, still, only there is the first motor to have torque output, the second motor is exported without torque, therefore only by the first motor, provide propulsive effort to be passed to whole vehicle drive system, drive vehicle wheel rotation, make Vehicle Driving Cycle.
Shown in Figure 3, in the second motor individual drive pattern, the first motor and the second motor rotate simultaneously, and rotating speed is consistent, still, only there is the second motor to have torque output, the first motor is exported without torque, therefore only by the second motor, provide propulsive effort to be passed to whole vehicle drive system, drive vehicle wheel rotation, make Vehicle Driving Cycle.
Shown in Figure 4, at the first motor, combine in drive pattern with the second motor, the first motor and the second motor rotate simultaneously, and rotating speed is consistent, the first motor and the second motor all have torque output, two motors provide propulsive effort simultaneously and are passed to whole vehicle drive system, drive vehicle wheel rotation, make normal vehicle operation.
In actual applications, pickup sweeper can be selected different mode of operations under different operating modes, for example, at vehicle during in operation driving cycle, if flat road surface, road surface are comparatively clean, vehicle load hour, can select lower-powered the second machine operation to select the second motor individual drive pattern; If there is certain fluctuating on road surface, when vehicle load is larger, can select the first machine operation that power is larger to select the first motor individual drive pattern; If when cleaning road surface is overpass or heavy grade road surface, can select the first motor to combine drive pattern with the second motor.At vehicle during in vehicle driving-cycle, vehicle in can select the first motor individual drive pattern during the low speed of a motor vehicle, the high speed of a motor vehicle of vehicle, can select the first motor to combine drive pattern with the second motor when starting to walk, overtaking other vehicles.
In addition, utilize the double-motor running gear that the utility model embodiment provides can also realize pickup sweeper parking cleaning function, energy recovery function.When running into difficulty and sweep road surface, the start and stop that can utilize motor are advantage rapidly, and pickup sweeper can be realized the cleaning of stopping, and realizes parking cleaning function.And when vehicle carries out drag or slides, can select the first motor to combine drive pattern with the second motor and realize brake energy recovery.Meanwhile, when a motor breaks down, also can guarantee normally travelling of vehicle by another motor individual drive.
Like this, a kind of running gear with double-motor is proposed in embodiment of the present utility model, make vehicle when operation driving cycle, can select a wherein low power motor individual drive, vehicle can use two motors jointly to drive at vehicle driving-cycle, thereby improved the degree of loading of vehicle motor when operation driving cycle, improve the operating efficiency of vehicle to run system, thereby increased substantially the performance driving economy of vehicle, extended travelled distance.
In addition, the high-power movable motor of Jiang Yitai is divided into two lower-powered movable motors, and the heat load problem of motor is resolved to a certain extent, can be according to vehicle actual conditions apolegamy ventilated machine, thereby simplify the structure layout, reduced car weight, reduced cost.And the price of two miniwatt movable motors is usually less than the price of a high-power movable motor, so cost is minimized.Meanwhile, when a movable motor breaks down, another movable motor can guarantee normal work, thereby has improved the reliability of system.
It should be noted that, in this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a double-motor running gear for vehicle, is characterized in that, described running gear comprises:
The first motor, the second motor, connecting device and change speed gear box;
By described connecting device, make the rotor mouth of described the first motor, the rotor mouth of described the second motor is connected with the input end of described change speed gear box;
The mouth of described change speed gear box is connected with vehicle bridge, drives vehicle wheel rotation.
2. system according to claim 1, is characterized in that,
The power of described the first motor is greater than the power of described the second motor;
The power of described the second motor is more than or equal to the power demand of vehicle when operation driving cycle;
The power sum of the power of described the first motor and described the second motor is more than or equal to the power demand of vehicle in vehicle driving-cycle.
3. system according to claim 1, is characterized in that,
Described connecting device is mechanical type flange;
Between described the first motor and described the second motor, be connected described mechanical type flange, the rotor mouth of described the first motor and the rotor mouth of described the second motor are coaxially connected, and the rotor mouth of described the second motor is coaxially connected with the input end of described change speed gear box.
4. system according to claim 1, is characterized in that,
Described connecting device is planetary gear train;
By described planetary gear train, the rotor mouth of the rotor mouth of described the first motor, described the second motor is connected with the input end of described change speed gear box.
5. system according to claim 3, is characterized in that, described running gear also comprises:
Power-transfer clutch, one end of described power-transfer clutch is connected with the rotor mouth of described the second motor, and the other end of described power-transfer clutch is connected with the input end of described change speed gear box.
6. system according to claim 4, is characterized in that, described running gear also comprises:
Power-transfer clutch, one end of described power-transfer clutch is connected with the rotor mouth of described the first motor, the rotor mouth of described the second motor, and the other end of described power-transfer clutch is connected with the input end of described change speed gear box.
7. system according to claim 1, is characterized in that, described running gear also comprises:
Electric machine controller, described the first motor, described the second motor are connected with described electric machine controller, and described electric machine controller is used for controlling described the first motor and/or described the second machine operation.
8. system according to claim 7, is characterized in that,
Described the first motor, described the second motor are connected with same electric machine controller;
Or described the first motor is connected with an electric machine controller, described the second motor is connected with another electric machine controller.
9. system according to claim 7, is characterized in that, described running gear also comprises:
Electrokinetic cell, described the first motor, described the second motor are connected with described electrokinetic cell by described electric machine controller, and described electrokinetic cell is used to described the first motor, described the second motor that electric energy is provided.
10. according to the system described in claim 1-9 any one, it is characterized in that, described running gear is installed on vehicle chassis.
CN201420113568.XU 2014-03-13 2014-03-13 Double-motor traveling system for vehicle Active CN203819014U (en)

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Application Number Priority Date Filing Date Title
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Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104345736A (en) * 2014-10-29 2015-02-11 济南优柏电子科技有限公司 AGV (automatic guided vehicle) driving unit with starting device
CN106515406A (en) * 2016-11-18 2017-03-22 精进电动科技股份有限公司 Coaxial multi-motor driving system and vehicle comprising same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104345736A (en) * 2014-10-29 2015-02-11 济南优柏电子科技有限公司 AGV (automatic guided vehicle) driving unit with starting device
CN104345736B (en) * 2014-10-29 2017-08-11 济南优柏电子科技有限公司 A kind of automatic guide vehicle AGV driver elements of tape starting device
CN106515406A (en) * 2016-11-18 2017-03-22 精进电动科技股份有限公司 Coaxial multi-motor driving system and vehicle comprising same

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