CN220923801U - Hybrid power system and mining truck - Google Patents

Abstract

The utility model discloses a hybrid power system and a mining truck, which comprise an engine, a clutch, a motor, a speed changer, a transmission shaft, a drive axle, wheels and a power supply assembly, wherein the engine is connected with the motor through the clutch, the output end of the motor is connected with the input shaft of the speed changer, the output shaft of the speed changer is connected with the drive axle through the transmission shaft, the wheels are respectively connected with two sides of the drive axle, and the power supply assembly is electrically connected with the motor.

Description

Hybrid power system and mining truck

Technical Field

The utility model relates to the technical field of hybrid power systems, in particular to a hybrid power system and a mining truck.

Background

Currently, the automobile industry is subjected to electromotive, intelligent, networking and sharing changes, and the changes bring about profound effects to the development of new energy automobile industry and the development of wider economic society. The technical route of the hybrid power of one of the motorized routes of the commercial vehicle mainly comprises parallel type mixing, extended range mixing and parallel-series mixing, and the mixing mode realized on the mine card at present is extended range mixing, so that the defects of high system complexity, high cost and complex maintenance exist.

As shown in a hybrid power system of CN215284350U, the motor and the gearbox are independent of each other and are installed at the output end of the gearbox, although the structure of the gearbox is not required to be changed, the gearbox cannot increase the output torque of the motor, so that a larger motor is required to provide enough torque for a mine truck, the cost is increased, and meanwhile, the fuel consumption cannot be obviously improved, and the cost of vehicles cannot be reduced.

Disclosure of utility model

In order to solve the technical problems, the utility model relates to a hybrid power system and a mining truck, the structure is simple and reliable, the technical problems are effectively solved, the hybrid power system is suitable for popularization and use, and in order to achieve the purposes, the hybrid power system is realized by the following technical scheme:

The utility model provides a hybrid power system, includes engine, clutch, motor, derailleur, transmission shaft, transaxle, wheel, power supply unit, the engine with be connected through the clutch between the motor, the output of motor with the input shaft of derailleur is connected, the output shaft of derailleur passes through the transmission shaft and is connected with the transaxle, the both sides of transaxle are connected with the wheel respectively, power supply unit and motor electric connection.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the transmission shaft is characterized by further comprising a universal joint connector, wherein the input end of the transmission shaft is connected with the output shaft of the transmission through the universal joint connector, and the output end of the transmission shaft is connected with the input shaft of the drive axle through the universal joint transmission.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the power supply assembly comprises a battery pack, the motor has a braking energy recovery function, and the motor converts the recovered braking energy into electric energy to be stored in the battery pack.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the power supply assembly includes a battery pack that may be charged via an ac power grid.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the power supply assembly comprises a battery pack, and the battery pack can be subjected to direct current rapid charging through a charging pile.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the power supply assembly comprises a battery pack, and the battery pack can be charged without an external power grid.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the driving axle is a driving rear axle.

The utility model also relates to a mining truck, which comprises the hybrid power system of any scheme.

Compared with the prior art, the utility model has the following outstanding and beneficial technical effects: the hybrid power system is improved based on the problem that the conventional manual gearbox is urgently needed to be solved under the special working condition of a mining area, a set of motor is added on the basis of the conventional power transmission structure, and the output torque of the motor can be adjusted and changed through the gearbox, so that a relatively smaller motor can be used.

Drawings

Fig. 1 is a schematic structural diagram of a hybrid system according to an embodiment of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the drawings in the embodiments, however, the following detailed description and the embodiments are only for illustrative purposes and not limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In order to solve the technical problems, as shown in fig. 1, the utility model relates to a hybrid power system, which can be applied to a mining truck, in particular to the hybrid power system, comprising an engine 1, a clutch 2, a motor 3, a transmission 4, a transmission shaft 5, a drive axle 6, wheels 7 and a power supply assembly 8, wherein the engine 1 and the motor 3 are connected through the clutch 2, the clutch 2 is adapted with a hybrid power control module, automatic separation and combination according to working conditions can be realized, the output end of the motor 3 is connected with the input shaft of the transmission 4, the output shaft of the transmission 4 is connected with the drive axle 6 through the transmission shaft 5, the two sides of the drive axle 6 are respectively connected with the wheels 7, and the power supply assembly 8 is electrically connected with the motor 3.

Further, the power supply assembly 8 includes a battery pack, the motor 3 preferably has a braking energy recovery function in addition to a power output function, the braking energy recovery of the motor 3 is to recover and utilize energy generated when the vehicle needs to be braked, so as to realize efficient utilization of electric energy, the power supply assembly is mainly based on an electromagnetic induction principle, namely, when an electric conductor moves in a magnetic field, induced electromotive force is generated, otherwise, when a power supply applies voltage, a magnetic field is generated in the coil, and when an electric automobile decelerates, the wheel 7 drives the motor 3 to rotate, the motor 3 becomes an alternating current generator 3 to generate alternating current, the alternating current is rectified into direct current through a motor 3 controller to charge the battery pack, a process of converting mechanical energy into electric energy in operation of the motor 3 can be realized, the recovered braking energy is converted into electric energy to be stored in the battery pack, and electric energy loss is reduced.

Compared with a hybrid power system with a patent publication number of CN215284350U, the motor 3 is changed in mounting position, so that the motor 3 is positioned between the clutch 2 and the transmission 4, and the output torque of the motor 3 can be adjusted and changed through the gearbox, so that the relatively smaller motor 3 can be used, and the hybrid power system has the characteristics of simple structure, easiness in realization, small vehicle change and low development cost, reduces the manufacturing cost of the vehicle, and simultaneously reduces the oil consumption and the vehicle cost. Specifically, when the vehicle starts, the hybrid control module controls the clutch 2 to be automatically combined, the hybrid control module calculates the required torque of the vehicle in the running process of the vehicle, and performs adaptive torque distribution on the motor 3 and the engine 1, and when the vehicle brakes, the hybrid control module calculates the torque of the motor 3 to perform auxiliary braking and recover energy, and the main working modes of the system comprise auxiliary starting of the motor 3, auxiliary driving of the motor 3, independent driving of the engine 1, recovery of braking energy of the motor 3 and the like, so that the energy consumption is obviously reduced, and the utilization rate is improved.

Considering that the road surface is uneven to generate jumping, load changes or the position difference of two assemblies is arranged in the running process of the vehicle, the included angle and the distance between the output shaft of the transmission 4 and the input shaft of the main speed reducer of the driving axle 6 are changed, and aiming at the technical problem, the hybrid power system provided by the utility model further comprises a universal joint connector 9, the input end of the transmission shaft 5 is connected with the output shaft of the transmission 4 through the universal joint connector 9, and the output end of the transmission shaft 5 is connected with the input shaft of the driving axle 6 through the universal joint transmission 4, so that the included angles of the two ends of the transmission shaft 5 are equal, and the instantaneous angular speeds of the output shaft and the input shaft are always equal.

In this embodiment, it is further preferable that the battery pack in this embodiment may be charged through an ac power grid, or may be rapidly charged through a charging pile, and of course, the battery pack may not be charged by an external power grid, for example, may be powered by a corresponding internal generator.

Preferably, the driving axle 6 is a driving rear axle, the power of the engine 1 and the motor 3 is transmitted to the rear axle through the speed changer 4 and is pulled by the rear axle driving wheels 7, and the driving mode has the characteristics of stable running and strong load capacity.

It should be noted that technical features of an engine, a motor, a transmission, a power supply assembly, a drive axle and the like related to the present application should be considered as the prior art, and specific structures, working principles, and control modes and spatial arrangement related to the technical features may be conventional choices in the art, and should not be considered as the utility model point of the present application, which is not further specifically described in detail.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: equivalent changes in structure, shape and principle of the present utility model should be covered by the protection scope of the present utility model.

Claims (8)

1. A hybrid powertrain, characterized by: the motor is connected with the motor through the clutch, the output end of the motor is connected with the input shaft of the transmission, the output shaft of the transmission is connected with the drive axle through the transmission shaft, the wheels are respectively connected to two sides of the drive axle, and the power supply assembly is electrically connected with the motor.

2. A hybrid system according to claim 1, wherein: the transmission shaft is characterized by further comprising a universal joint connector, wherein the input end of the transmission shaft is connected with the output shaft of the transmission through the universal joint connector, and the output end of the transmission shaft is connected with the input shaft of the drive axle through the universal joint transmission.

3. A hybrid system according to claim 2, characterized in that: the power supply assembly comprises a battery pack, the motor has a braking energy recovery function, and the motor converts the recovered braking energy into electric energy to be stored in the battery pack.

4. A hybrid system according to claim 3, wherein: the power supply assembly includes a battery pack that may be charged via an ac power grid.

5. A hybrid system according to claim 3, wherein: the power supply assembly comprises a battery pack, and the battery pack can be subjected to direct current rapid charging through a charging pile.

6. A hybrid system according to claim 3, wherein: the power supply assembly comprises a battery pack, and the battery pack can be charged without an external power grid.

7. A hybrid system according to claim 4, wherein: the driving axle is a driving rear axle.

8. A mining truck, characterized in that: comprising the hybrid system according to any one of claims 1-7.