CN114516295A - Pure electric mixer truck - Google Patents
Pure electric mixer truck Download PDFInfo
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- CN114516295A CN114516295A CN202011306414.9A CN202011306414A CN114516295A CN 114516295 A CN114516295 A CN 114516295A CN 202011306414 A CN202011306414 A CN 202011306414A CN 114516295 A CN114516295 A CN 114516295A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/16—Vehicles adapted to transport, to carry or to comprise special loads or objects for carrying mixed concrete, e.g. having rotatable drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
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- Health & Medical Sciences (AREA)
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- Combustion & Propulsion (AREA)
- Arrangement Of Transmissions (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The invention relates to a pure electric mixer truck. The pure electric mixer truck of the invention includes: the device comprises a vehicle body, a stirring tank and an upper driving system; the top loading drive system comprises: a main drive module; installing a driving module; the power takeoff is in transmission connection with the main drive module; the upper driving module and the power takeoff are in transmission connection with the stirring tank through the power switching structure, and one of the upper driving module and the power takeoff can be in transmission connection with the stirring tank under the switching control of the power switching device. The pure electric mixer truck can realize free switching of loading and unloading power transmission paths according to different working conditions, the power of the main drive module is utilized for driving during loading and unloading, the loading drive module is utilized during transferring of the mixing tank, and when the loading drive module breaks down, the main drive module can be utilized emergently to realize loading and unloading, operation of the mixing tank and running of the vehicle at the same time. The whole agitating lorry has high reliability and low cost.
Description
Technical Field
The invention relates to mixing equipment for manufacturing cement or clay, in particular to a pure electric mixer truck.
Background
With the continuous expansion of the construction of basic building engineering, the matched engineering vehicles are further updated and developed, wherein the application of the concrete mixer truck is more and more extensive. Traditional fuel mixer truck adopts the power takeoff of connecting in main engine to drive hydraulic system and then drive the agitator tank operation more, and this kind of traditional stirring mode agitator tank actuating system relies on the power that main engine provided, can not the autonomous working, and the operation of agitator tank is influenced by main engine speed, and the agitator tank consumes main engine's partial output, has increased main engine's load, and along with the continuous improvement of environmental protection requirement, fuel engineering vehicle's use is also more and more restricted. Therefore, pure electric mixer trucks are gradually on the market and have gained certain acceptance.
At present, a top-mounted driving system of a pure electric mixer truck mainly adopts a mode of driving by a motor and a speed reducer, wherein the top-mounted motor has two schemes of single motor driving and double motor driving. For the single-motor driving scheme, as a spare motor is not provided, once the upper-mounted motor fails, the upper-mounted system stops running, so that system loss is caused, and the reliability is low; for the double-motor driving scheme, one motor is a constant-driving motor, the other motor is a reserve motor, the constant-driving motor is used for driving in a general case, and the reserve motor is used in an emergency case.
Disclosure of Invention
The invention aims to provide a pure electric mixer truck, which is used for solving the problems of low reliability and high cost of the existing pure electric mixer truck.
The pure electric mixer truck of the invention includes:
the stirring device comprises a vehicle body, a stirring tank and an upper-mounted driving system arranged on the vehicle body;
the top loading drive system comprises:
the main drive module comprises a main drive motor and a main drive motor controller and is in transmission connection with the drive axle;
the upper mounting driving module comprises an upper mounting motor and an upper mounting motor controller;
the power takeoff is in transmission connection with the main drive module;
the upper driving module and the power takeoff are in transmission connection with the stirring tank through the power switching structure, and one of the upper driving module and the power takeoff can be in transmission connection with the stirring tank under the switching control of the power switching device.
The pure electric mixer truck can realize free switching of loading power transmission paths according to different working conditions, and the high-power requirement is met by utilizing the power drive of the main drive module during loading and unloading; when the stirring tank is transported, the upper driving module is utilized, a low-power motor can be utilized for driving, and the operation in a motor high-efficiency area can be maintained, so that the efficiency of a transmission system is improved, and the energy consumption is reduced; when the loading driving module breaks down, the loading and unloading materials, the operation of the stirring tank and the vehicle running can be simultaneously realized by emergently using the main driving module, the transition, the unloading and the maintenance are carried out, and the safety of the concrete and the stirring tank is ensured. The whole agitating lorry has high reliability and low cost.
Furthermore, the upper-mounted driving system also comprises a standby power interface which is positioned on a transmission path of the upper-mounted motor and the stirring tank or a transmission path of the power takeoff and the stirring tank. The spare power interface is arranged, so that when the main driving module and the upper driving module of the mixer truck are in failure, the power system of the rescue vehicle can be utilized to be connected with the spare power interface, and rescue is conveniently realized.
Further, the backup power interface is located in a transmission path between the power take-off and the power switching device. With reserve power interface setting in this position, when the vehicle of the same type rescues each other, the power of the main drive module of utilization rescue vehicle that can be convenient can provide bigger power demand, guarantees that the rescue process is implemented smoothly.
Furthermore, the standby power interface faces to one side of the width direction of the vehicle body, so that power transmission between rescue vehicles of the same type is facilitated.
As another kind of optimization scheme, the power switching structure is dual input reduction gear, dual input reduction gear is including switching module and speed reduction increase and turn round the module, the switching module includes two input shafts and an output shaft, two input shafts are used for connecting facial make-up drive module and power takeoff respectively, the output shaft is used for connecting the speed reduction increase and turn round the module, two input shaft correspond and are connected with two reduction gear sets, two reduction gear sets's follow driving wheel homocentric coupling is on the output shaft, have intermediate drive gear on the output shaft between two follow driving wheels, dual input reduction gear is still including realizing intermediate drive gear and one of them synchronous pivoted synchronizer between the follow driving wheel. The double-input speed reducer adopting the structural form realizes power switching while realizing speed reduction and torque increase, has a simple and compact structure, and does not occupy too much space of the mixer truck.
Furthermore, the power takeoff and the corresponding input shaft of the double-input speed reducer are in chain transmission. The transmission chain can bear larger torque, can conveniently realize power transmission with large span, and can better ensure the transmission synchronism, so that the power transmission between the power takeoff and the stirring tank is more reliable.
Furthermore, two input shafts of the double-input speed reducer are arranged in parallel, and an output shaft is parallel to the two input shafts and is positioned on one side of the speed reducer opposite to the input shafts. By adopting the arrangement form, the complexity of the arrangement of the gear set in the speed reducer can be greatly reduced, and the assembly difficulty and the operation and maintenance cost of the speed reducer are reduced.
In addition, the main drive module and the power takeoff are arranged at intervals in the front-back direction of the vehicle body and directly transmit torque through the transmission shaft, and the upper-mounted drive module and the double-input speed reducer are arranged at intervals in the front-back direction of the vehicle body and directly transmit torque through the transmission shaft. The layout matching performance of the transmission layout and the whole vehicle structure is high, the layout difficulty of the transmission structure on the mixer truck is simplified, and the manufacturing cost of the mixer truck is reduced.
Drawings
FIG. 1 is a system diagram of an upper drive system of a pure electric mixer truck according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the dual input speed reducer of FIG. 1;
FIG. 3 is a schematic view of a first operating condition of a pure electric mixer vehicle according to a first embodiment of the present invention;
FIG. 4 is a schematic view of a second operating condition of the pure electric mixer vehicle according to the first embodiment of the present invention;
fig. 5 is a schematic view of a third operating condition of the first electric hybrid vehicle according to the embodiment of the invention.
In fig. 1: 1-a main drive motor; 10-a main drive motor controller; 11-a main reducer; 12-a power takeoff; 123-chain drive; 2, installing a motor; 20-installing a motor controller; 3-double input speed reducer; 5-stirring tank; 8-a standby power interface; 9-drive axle.
In fig. 2: 3-double input speed reducer; 30-a switching module; 31-speed reduction and torque increase module; 301-a reduction gear set; 303-a synchronizer; 32-input shaft.
In FIG. 3: 1-a main drive motor; 10-a main drive motor controller; 11-a main reducer; 12-a power take-off; 123-chain drive; 2, installing a motor; 20-installing a motor controller; 3-double input speed reducer; 5-stirring tank; 8-a standby power interface; 9-drive axle.
In fig. 4: 1-a main drive motor; 10-a main drive motor controller; 11-a main reducer; 12-a power takeoff; 123-chain drive; 2, installing a motor; 20-installing a motor controller; 3-double input speed reducer; 5-stirring tank; 8-a standby power interface; 9-drive axle.
In fig. 5: 1-a main drive motor; 10-a main drive motor controller; 100-a rescue vehicle; 11-a main reducer; 12-a power takeoff; 123-chain drive; 2, installing a motor; 20-installing a motor controller; 3-double input speed reducer; 5-stirring tank; 8-a standby power interface; 9-drive axle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The first embodiment of the pure electric mixer truck of the invention:
as shown in fig. 1-2, the pure electric hybrid vehicle of the embodiment includes a vehicle body, a hybrid tank rotatably mounted on the vehicle body, and an upper drive system disposed on the vehicle body. The upper-mounted driving system is not only used for driving the vehicle to run, but also can provide power for stirring operation.
Specifically, the top-mounted driving system comprises a main driving module and a top-mounted driving module. The main drive module comprises a main drive motor 1, a main drive motor controller 10 matched with the main drive motor 1 and a main reducer 11, wherein the output end of the main reducer 11 is in transmission connection with the drive axle 9, and the main reducer 11 is used for reducing the speed and increasing the torque to drive the vehicle to run when the main drive motor 1 outputs the torque. The main drive motor 1, the main reducer 11 and the transaxle 9 are arranged in this order from front to rear on the vehicle body. The upper-mounted driving module comprises an upper-mounted motor 2 and an upper-mounted motor controller 20 matched with the upper-mounted motor 2. The upper-mounted driving system further comprises a double-input speed reducer 3, the double-input speed reducer 3 is provided with two input shafts 32, the output end of the upper-mounted motor 2 is in transmission connection with one of the input shafts 32 of the double-input speed reducer 3, the output end of the double-input speed reducer 3 is in transmission connection with the stirring tank 5, and the upper-mounted motor 2, the double-input speed reducer 3 and the stirring tank 5 are sequentially arranged in the front-to-back direction of the vehicle body. After the torque is output by the upper motor 2, the torque can be reduced and increased through the double-input reducer 3 and transmitted to the stirring tank 5, and the stirring tank 5 is driven to rotate.
The output end of the main reducer 11 is also in transmission connection with a power take-off 12, the power take-off 12 itself comprises a clutch, and the output end of the power take-off 12 is in transmission connection with another input shaft 32 of the dual-input reducer 3 through a chain transmission 123.
The specific structure of the dual-input reducer 3 is shown in fig. 2, and includes a switching module 30 and a deceleration torque-increasing module 31, where the switching module 30 includes two input shafts and an output shaft, the two input shafts are input shafts 32 of the dual-input reducer 3, the output shaft is used for connecting the deceleration torque-increasing module 31, the two input shafts 32 are correspondingly connected with two deceleration gear sets 301, driven wheels of the two deceleration gear sets 301 are both sleeved on the output shaft and are axially spaced, an intermediate transmission gear is arranged on the output shaft between the two driven wheels, and the dual-input reducer 3 further includes a synchronizer 303 capable of reciprocating in the axial direction of the output shaft, so as to realize synchronous rotation between the intermediate transmission gear and one of the driven wheels. In this way, by controlling the axial position of the synchronizer 303, the power link between one of the two output shafts and the speed and torque increasing module 31 can be realized, and as can be seen from the above description, by controlling the switching module 30 of the dual-input speed reducer 3, the power link between the power take-off 12 and the agitator tank 5 and the power link between the upper motor 2 and the agitator tank 5 can be switched.
Therefore, under the control action of a finished automobile control system matched with a main drive motor controller, an upper installed motor controller and a controller of a double-input speed reducer, the mutual cooperative work of all the drive modules can be realized.
Specifically, when the mixer truck is in a loading working condition and a unloading working condition, large power is needed, the working condition time is short, the mixer truck is mainly in a static state, at the moment, the drive motor is used for driving the mixing tank, the situation that an upper-mounted motor is matched with excessive power to cause power redundancy can be avoided, as shown in fig. 4, a switching module of the double-input speed reducer acts and is switched into a power takeoff driving mode, at the moment, the load of an upper-mounted system is provided by a main driving module, and the upper-mounted driving module does not work.
When the mixer truck is in the cement transferring working condition, the working condition is single, the upper motor runs at a constant speed and occupies main working time, and in order to reduce the energy consumption of the whole truck, the upper motor is required to be ensured to work in a high-efficiency area when concrete is transferred. As shown in fig. 3, the switching module of the dual-input reducer acts and is switched to the drive mode of the upper drive module, at this time, the power required by the upper system is provided by the upper drive module, the power takeoff is disconnected, the power required by the running of the whole vehicle is still provided by the main drive module, and the two drive modules operate independently and do not affect each other.
When the loading driving module has a fault, as shown in fig. 4, the switching module of the dual-input speed reducer acts and is switched to a power takeoff driving mode, the power takeoff is closed, the main driving module can be used for temporarily driving the loading system, normal loading and unloading and rotation of the mixing tank are guaranteed, meanwhile, the vehicle can be driven to run, transition, unloading and maintenance are carried out, and safety of concrete and the mixing tank is guaranteed.
When the main drive module breaks down, the switching module of the double-input speed reducer acts and is switched to the driving mode of the upper-mounted driving module, the power takeoff is disconnected, normal unloading of the stirring tank is temporarily met through the upper-mounted driving module, and cement in the stirring tank is guaranteed not to be solidified.
In addition, in this embodiment, as a more optimized solution, the top-mounted drive system further includes a backup power interface 8, and the backup power interface 8 is located on a transmission path between the power take-off 12 and the dual-input speed reducer 3. As shown in fig. 5, the third protection is provided for the upper driving system by the spare power interface, so that when both the main driving module and the upper driving module of the mixer truck fail, the power system of the rescue truck 100 can be connected to the spare power interface, thereby facilitating rescue. Moreover, the spare power interface 8 faces one side in the width direction of the vehicle body, so that power transmission between rescue vehicles 100 of the same type is facilitated.
In a more detailed structure, the two input shafts 32 of the double-input speed reducer 3 are arranged in parallel, the output shaft is parallel to the two input shafts 32 and is positioned on one side of the speed reducer opposite to the input shafts 32, the main drive module and the power takeoff are arranged at intervals in the front-back direction of the vehicle body and directly transmit torque through the transmission shaft, and the upper drive module and the double-input speed reducer 3 are arranged at intervals in the front-back direction of the vehicle body and directly transmit torque through the transmission shaft. The arrangement form of the transmission components is high in matching performance with the overall structure (frame, cab, stirring tank and the like), the arrangement difficulty of the transmission structure on the stirring truck is simplified, and the manufacturing cost of the stirring truck is reduced.
The pure electric mixer vehicle of the present invention is not limited to the above-described embodiments, and other variations of the mixer vehicle based on the design concept of the present invention are provided below.
For example, in other embodiments, different from the above-described embodiments, the spare power interface is disposed on the transmission path of the upper-mounted motor and the agitator tank, for example, a clutch is mounted on an output shaft of the upper-mounted motor, and a power interface towards one side of the vehicle width is led out from a transmission shaft of the clutch and the double-input reducer through a bevel gear set and used as the spare power interface; of course, according to the structural layout of the whole vehicle, the standby power interface can be arranged at the tail of the vehicle, so that when the similar vehicle is rescued, the tail of the vehicle can transmit power between the two vehicles.
For example, in the embodiment, different from the above-described embodiment, the function of power switching is implemented by using another power switching structure instead of a dual-input speed reducer, for example, a gear shifting structure is provided, two gears of the gear shifting structure correspond to the output end of the upper-mounted motor and the output end of the power takeoff, the output end of the gear shifting structure is connected to the input end of an independent speed reducer, and the output end of the independent speed reducer is in transmission connection with the agitator tank. The switching between the two gears is realized through the gear shifting structure, so that the switching between the transmission connection of the upper motor and the stirring tank and the transmission connection of the power takeoff and the stirring tank is realized. Or an upper-mounted clutch is connected between the output end of the upper-mounted motor and the input end of the double-input speed reducer in series, and the switching between the transmission connection of the upper-mounted motor and the stirring tank and the transmission connection of the power takeoff and the stirring tank is realized by respectively controlling the clutch of the upper-mounted clutch and the clutch of the power takeoff.
For example, in the embodiment, unlike the above-described embodiment, the power take-off and the corresponding input shaft of the dual-input reducer are driven by a belt, for example, a synchronous belt or a common triangular belt.
The relative positions and extending directions of the two input shafts and the output shaft of the dual-input reducer on the reducer shell, the relative positions and transmission connection modes of the main drive module and the power takeoff on the mixer body, and the relative positions and transmission connection modes of the upper drive module and the dual-input reducer on the mixer body can be appropriately changed according to the structural layout requirements of the actual mixer truck, and the forms listed in the above embodiments do not limit the protection scope of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (8)
1. A pure electric mixer vehicle comprising:
the stirring device comprises a vehicle body, a stirring tank and an upper-mounted driving system arranged on the vehicle body;
characterized in that, the facial make-up actuating system includes:
the main drive module comprises a main drive motor and a main drive motor controller and is in transmission connection with the drive axle;
the upper mounting driving module comprises an upper mounting motor and an upper mounting motor controller;
the power takeoff is in transmission connection with the main drive module;
the upper driving module and the power takeoff are in transmission connection with the stirring tank through the power switching structure, and one of the upper driving module and the power takeoff can be in transmission connection with the stirring tank under the switching control of the power switching device.
2. The pure electric mixer vehicle as claimed in claim 1, wherein the upper-mounted driving system further comprises a standby power interface in a transmission path between the upper-mounted motor and the mixing tank or in a transmission path between the power takeoff and the mixing tank.
3. The pure electric mixer vehicle as claimed in claim 2, wherein the backup power interface is located on a transmission path between the power take-off and the power switching device.
4. The pure electric mixer vehicle of claim 2, wherein the backup power interface faces one side in the width direction of the vehicle body.
5. The pure electric mixer according to any one of claims 1 to 4, wherein the power switching structure is a dual-input reducer, the dual-input reducer includes a switching module and a deceleration and torque-increasing module, the switching module includes two input shafts and an output shaft, the two input shafts are respectively used for connecting the upper-mounted driving module and the power takeoff, the output shaft is used for connecting the deceleration and torque-increasing module, the two input shafts are correspondingly connected with two deceleration gear sets, driven wheels of the two deceleration gear sets are both sleeved on the output shaft, an intermediate transmission gear is arranged between the two driven wheels on the output shaft, and the dual-input reducer further includes a synchronizer for realizing synchronous rotation between the intermediate transmission gear and one of the driven wheels.
6. The pure electric mixer vehicle of claim 5, wherein the power take-off is chain driven with the corresponding input shaft of the dual-input reducer.
7. A pure electric mixer vehicle as claimed in claim 5, characterized in that the two input shafts of the dual-input reducer are arranged in parallel, and the output shaft is parallel to the two input shafts and on the side of the reducer opposite to the input shafts.
8. The pure electric mixer vehicle as claimed in claim 7, wherein the main drive module and the power takeoff are spaced apart in a front-rear direction of the vehicle body and directly transmit torque through the transmission shaft, and the upper mount drive module and the dual input reducer are spaced apart in the front-rear direction of the vehicle body and directly transmit torque through the transmission shaft.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011306414.9A CN114516295B (en) | 2020-11-19 | 2020-11-19 | Pure electric mixer truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011306414.9A CN114516295B (en) | 2020-11-19 | 2020-11-19 | Pure electric mixer truck |
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| CN114516295A true CN114516295A (en) | 2022-05-20 |
| CN114516295B CN114516295B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011306414.9A Active CN114516295B (en) | 2020-11-19 | 2020-11-19 | Pure electric mixer truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117719344A (en) * | 2024-02-05 | 2024-03-19 | 徐州徐工汽车制造有限公司 | Monitoring method and device for electric mixer truck, electric mixer truck and storage medium |
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| CN117719344B (en) * | 2024-02-05 | 2024-06-07 | 徐州徐工汽车制造有限公司 | Monitoring method and device for electric mixer truck, electric mixer truck and storage medium |
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| Publication number | Publication date |
|---|---|
| CN114516295B (en) | 2023-08-18 |
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Address after: No. 6, Yutong Road, Guancheng Hui District, Zhengzhou, Henan 450061 Applicant after: Yutong Bus Co.,Ltd. Address before: No.1, Shibali Heyu Road, Guancheng Hui District, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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