CN219927444U - Electric loader power device with two ends output - Google Patents

Electric loader power device with two ends output Download PDF

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Publication number
CN219927444U
CN219927444U CN202321588849.6U CN202321588849U CN219927444U CN 219927444 U CN219927444 U CN 219927444U CN 202321588849 U CN202321588849 U CN 202321588849U CN 219927444 U CN219927444 U CN 219927444U
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output
motor
planetary gear
transmission shaft
power device
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CN202321588849.6U
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季全亮
魏先杰
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Zhongcha New Energy Heavy Industry Shandong Co ltd
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Zhongcha New Energy Heavy Industry Shandong Co ltd
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Abstract

The utility model discloses a motor loader power device with two output ends, comprising: the high-speed double-output motor and the planetary gear reduction box are connected through spline fit, the planetary gear reduction box comprises an output flange, the output flange is connected with a transmission shaft, the transmission shaft transmits power to a drive axle for the whole vehicle to work, a power transmission system is ensured to be flexible, the integration level of power device equipment is high, the volume is small, the transmission efficiency of the system is high, a traditional gearbox oil way is eliminated, and the equipment failure rate is low; the whole machine is driven by four wheels, so that the working efficiency is high; the maintenance is convenient, the weight of the whole vehicle is reduced, the energy consumed for overcoming the weight of the whole vehicle is correspondingly reduced, the economical efficiency is relatively good, the use cost is low, and the endurance is long; the electric loader with light load is facilitated, the whole machine structure is distributed, and the manufacturing cost of the whole machine is reduced.

Description

Electric loader power device with two ends output
Technical Field
The utility model belongs to the field of electric loaders, and particularly relates to a motor loader power device with two output ends.
Background
The existing pure electric loader transmission system is provided with a transmission system which adopts a combination of a single motor and a gearbox, and in the whole machine working process, the single motor connects a front axle and a rear axle together through the gearbox to output power of the whole machine, and the gearbox has the advantages of complex structure, high maintenance cost and high energy consumption of the whole machine. Along with the development of technology, some electric loaders adopt a double motor to connect two gearboxes, and then connect a drive axle through a transmission shaft (for example, an utility model patent 202010123069.9, a transmission system of a pure electric loader and a control method), and the scheme can realize the switching between four-drive and two-drive of the whole loader under certain working conditions according to the power requirement of the whole loader, but the double motor and the double gearbox of the scheme greatly improve the manufacturing cost of the whole loader, and the double motor and the double gearbox are huge in volume and are not easy for the structural layout and the production and the manufacture of the whole loader.
Disclosure of Invention
The present utility model provides a motor loader power arrangement with two output ends to at least solve or alleviate one or more of the technical problems of the prior art, or to at least provide a beneficial alternative.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an electric loader power device with two output ends, comprising: the high-speed double-output motor comprises a high-speed double-output motor and a planetary gear reduction box, wherein the output end of the high-speed double-output motor is connected with the planetary gear reduction box through spline fit, the planetary gear reduction box is provided with an output flange plate, the output flange plate is connected with a transmission shaft, and the transmission shaft transmits power to a drive axle for the whole vehicle to work.
According to the power device of the electric loader, which is output at two ends, the single high-speed output motor is arranged, the output ends at two sides of the single high-speed output motor are connected with the planetary gear reduction boxes, the output flange plates arranged on the planetary gear reduction boxes are connected with the transmission shaft, the transmission shaft transmits power to the drive axle to power the electric loader for work, the flexible power transmission system is ensured, the high-speed output motor and the planetary gear reduction boxes are small in size, reliable in structure and convenient to install, the whole structure layout of the electric loader with light load is facilitated, and the manufacturing cost of the whole machine is reduced.
Preferably, the output end of the high-speed double-output motor is provided with an internal spline, the planetary gear reduction box comprises a spline shaft and a planetary gear reduction structure, the internal spline is meshed with the spline shaft to transmit power, and the planetary gear reduction box outputs the power of the high-speed double-output motor through output flanges at two ends after the power is subjected to speed reduction and torque increase of the planetary gear reduction structure.
The high-speed double-output motor and the planetary gear reduction box are in butt joint by virtue of the spline shaft and the inner spline groove, so that the high-speed double-output motor and the planetary gear reduction box have good bearing capacity and transmission capacity, and are suitable for occasions where the electric loader needs to bear large torque in a full-load state.
Preferably, the planetary gear speed reduction structure comprises a planet wheel, a sun wheel and a gear ring, wherein the sun wheel and the planet wheel are rotationally connected between two opposite fixing plates, the spline shaft is connected with the sun wheel, the planet wheel is cooperatively connected with the gear ring, the output flange plate is fixedly connected with the fixing plates, the sun wheel rotates to enable the planet wheel to rotate, the fixing plates are driven to rotate, and the output flange plate is enabled to rotate.
Preferably, the fixed plate is equipped with sun gear installation department, planet wheel installation department, connecting hole and fixed orifices, the fixed orifices encircles sun gear installation department sets up a plurality ofly, the sun gear is installed in sun gear installation department, the planet wheel is installed in planet wheel installation department, sets up the cushion between the relative fixed plate, and the bolt passes the connecting hole and connects the cushion makes two relative fixed plates connect as an organic wholely, the output ring flange passes through the bolt the fixed orifices is connected the fixed plate.
Preferably, the planet wheel, the sun wheel, the gear ring and the fixed plate are arranged on a shell of the planetary gear reduction gearbox, the shell is composed of a first shell and a second shell, the first shell is provided with a first output port, the output flange plate is rotationally connected with the output port, the gear ring is fixedly connected with the second shell, the second shell is provided with a second output port, the spline shaft penetrates through the second output port to be connected with an internal spline, and the first shell and the second shell are detachably connected.
Preferably, the high-speed dual-output motor is provided with a connecting part, and the connecting part is detachably connected with the second shell.
The connecting part and the planetary gear reduction box are detachably connected, so that the assembly is simple, the whole machine production and manufacturing are facilitated, the disassembly is convenient, the maintenance is facilitated, and the maintenance cost is reduced.
Preferably, the transmission shaft comprises a front transmission shaft and a rear transmission shaft, one end of the front transmission shaft is connected with a front drive axle, and the other end of the front transmission shaft is connected with an output flange at one side through a transmission shaft support; one end of the rear transmission shaft is connected with the rear drive axle, and the other end of the rear transmission shaft is connected with the output flange on the other side.
Preferably, the vehicle control system further comprises a motor controller, wherein the motor controller is connected with a vehicle control unit VCU through wires, and controls forward and reverse rotation of the high-speed double-output motor to realize forward or reverse operation of the vehicle.
The motor controller is arranged to control forward and backward rotation of the high-speed double-output motor to realize forward or backward movement of the electric loader, a traditional multi-gear gearbox is not arranged, production and manufacturing cost is reduced, the motor power supply frequency and voltage are controlled through control of motor current, the rotating speed and torque range of the motor is expanded, the motor works in a high-efficiency range, and the whole energy consumption of the loader is reduced.
Preferably, the hydraulic system of the loader is further provided with an oil pressure sensor, the oil pressure sensor can measure the pressure of the hydraulic system of the loader and transmit signals to a complete machine controller VCU, the complete machine controller VCU transmits signals to a motor controller, and the motor controller controls the speed change of the high-speed double-output motor.
The hydraulic pressure sensor of the loader scale monitors the pressure of the movable arm oil cylinder, has the characteristics of high precision, high sensitivity, strong anti-interference capability, easy installation and the like, can convert the pressure of hydraulic oil through a lever sensor for processing, measure the weight of materials, transmit signals to a complete machine VCU, transmit demand signals to a motor controller after the signals are processed by the complete machine VCU, and the motor controller controls the speed change of a high-speed double-output motor so as to realize the speed and torque output change of the whole vehicle.
The structure has the following beneficial effects:
the power device has high equipment integration level, small volume, high system transmission efficiency and more than or equal to 85 percent; the traditional gearbox oil way is canceled, and the equipment failure rate is low; the whole machine is driven by four wheels, so that the working efficiency is high; the maintenance is convenient, the weight of the whole vehicle is reduced, the energy consumed for overcoming the weight of the whole vehicle is correspondingly reduced, the economical efficiency is relatively good, the use cost is low, and the endurance is long; the electric loader with light load is facilitated, the whole machine structure is distributed, and the manufacturing cost of the whole machine is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of a power plant according to an exemplary embodiment of the present utility model;
FIG. 2 is a schematic diagram of an exploded view of an exemplary embodiment of a power plant according to the present utility model;
FIG. 3 is a schematic diagram of an exploded view of another exemplary embodiment of the power plant of the present utility model;
FIG. 4 is a schematic diagram of a connection between a power plant and a drive shaft according to an exemplary embodiment of the present utility model;
FIG. 5 shows a schematic electrical schematic of the power plant of the present utility model;
description of the reference numerals:
1. a high-speed dual-output motor; 10. a connection part;
2. a planetary gear reduction box; 20. an output flange; 21. a spline shaft; 22. a planetary gear reduction structure; 220. a planet wheel; 221. a sun gear; 222. a gear ring; 23. a housing; 230. a first housing; 2300. a first output port; 231. a second housing; 2310. a second output port; 24. a fixing plate; 240. a sun gear mounting portion; 241. a planetary gear mounting part; 242. a connection hole; 243. a fixing hole; 244. a cushion block;
3. a transmission shaft; 30. a front drive shaft; 31. a transmission shaft support; 32. a front drive axle; 33. a rear drive shaft; 34. a rear drive axle;
4. and a motor controller.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit and scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
The present utility model will be described below with reference to the drawings.
The scheme adopted is as follows:
as shown in fig. 1 to 5, the present utility model provides a motor-loader power device with both output ends, comprising: the high-speed double-output motor 1 and the planetary gear reduction box 2 are connected through spline fit, the planetary gear reduction box 2 comprises an output flange plate 20, the output flange plate 20 is connected with a transmission shaft 3, and the transmission shaft 3 transmits power to a drive axle for the whole vehicle to work.
According to the power device of the electric loader, which is output at two ends, the single high-speed output motor is arranged, the output ends at two sides of the single high-speed output motor are connected with the planetary gear reduction boxes 2, the output flange plates 20 arranged on the planetary gear reduction boxes 2 are connected with the transmission shaft 3, the transmission shaft 3 transmits power to the drive axle to supply power to the electric loader for operation, the power transmission system is flexible, the high-speed output motor and the planetary gear reduction boxes 2 are characterized by small volume, reliable structure and convenient installation, the whole structure layout of the electric loader with light load is facilitated, and the manufacturing cost of the whole machine is reduced.
As a preferred embodiment of the utility model, the output end of the high-speed double-output motor 1 is provided with an internal spline, a person skilled in the art can understand that the output shaft is of an output shaft structure, the end part of the output shaft is provided with an internal spline groove, the planetary gear reduction box 2 comprises a spline shaft 21 and a planetary gear reduction structure 22, the internal spline is meshed with the spline shaft 21 to transmit power, the planetary gear reduction box 2 outputs the power of the high-speed double-output motor 1 through the output flange plates 20 at two ends after the speed and torque of the planetary gear reduction structure 22 are reduced, and the high-speed double-output motor 1 and the planetary gear reduction box 2 are in butt joint by means of the spline shaft 21 and the internal spline groove, so that the high-speed double-output motor has good bearing capacity and transmission capacity and is suitable for occasions where the electric loader needs to bear large torque in a full load state.
In this embodiment, the specific structure of the planetary gear reduction structure 22 is shown in fig. 2 and 3, the planetary gear reduction structure 22 includes a planet gear 220, a sun gear 221, and a gear ring 222, the sun gear 221 and the planet gear 220 are rotatably connected between two opposite fixing plates 24, the spline shaft 21 is connected to the sun gear 221, the planet gear 220 is cooperatively connected with the gear ring 222, the output flange 20 is fixedly connected to the fixing plate 24, the sun gear 221 rotates to rotate the planet gear 220, and drives the fixing plate 24 to rotate the output flange 20.
As shown in fig. 3, the fixing plate 24 is specifically configured by providing a sun gear mounting portion 240, a planet gear mounting portion 241, a connection hole 242 and a fixing hole 243, the fixing hole 243 is provided in plurality around the sun gear mounting portion 240, the sun gear 221 is mounted on the sun gear mounting portion 240, specifically, as shown in fig. 2, the sun gear 221 is respectively connected in the sun gear mounting portion 240 of the opposite fixing plate 24 by bearings, two sides of the planet gear 220 are also connected to the planet gear mounting portion 241 by bearings, teeth of the planet gear 220 are engaged with teeth of the sun gear 221, a spacer 244 is provided between the opposite fixing plates 24, the thickness of the spacer 244 is slightly greater than the thickness of the planet gear 220 and the teeth of the sun gear 221, the fixing plate 24 is prevented from abutting the sun gear 221 or the planet gear 220, rotation is prevented, the two opposite fixing plates 24 are connected into a whole by connecting the spacer 244 through the connection hole 242 by bolts, and the output flange 20 is also connected to one side of the fixing plate 24 through the fixing hole 243 by the bolts.
In order to facilitate the assembly with the high-speed dual-output motor 1 by improving the integration degree of the planetary gear reduction box 2, the planetary gear 220, the sun gear 221, the gear ring 222 and the fixing plate 24 are mounted on the housing 23 of the planetary gear reduction box 2, the housing 23 is composed of a first housing 230 and a second housing 231, the first housing 230 is provided with a first output port 2300, the output flange 20 is rotatably connected with the first output port 2300, specifically, a bearing is arranged between the output flange 20 and the first output port 2300, so that the output flange 20 can rotate at the first output port 2300, the gear ring 222 is fixedly connected with the second housing 231, the second housing 231 is provided with a second output port 2310, the caliber of the second output port 2310 is larger than the size of the spline shaft 21, the spline shaft 21 penetrates through the second output port 2310 to be connected with an internal spline at the output end of the high-speed dual-output motor, and the first housing 230 and the second housing 231 are detachably connected in a bolt connection manner.
The specific power transmission process of the utility model is as follows, the power of the high-speed double-output motor 1 is transmitted to the spline shaft 21, so that the sun gear 221 rotates, the planet gears 220 rotate around the sun gear 221 in the gear ring 222, the fixed plate 24 and the output flange 20 are driven to rotate, and finally, the power is output from the output flange 20 to the transmission shaft connected with the output flange 20.
Preferably, as shown in fig. 1, the high-speed dual-output motor 1 is provided with a connecting portion 10, the connecting portion 10 is detachably connected with the second housing 231, and the assembly is simple and is beneficial to the production and manufacture of the whole machine, the disassembly is convenient and is beneficial to maintenance and repair, and the maintenance cost is reduced by the mode that the connecting portion 10 is detachably connected with the planetary gear reduction box 2.
As a preferred embodiment of the present utility model, the drive shaft 3 includes a front drive shaft 303 and a rear drive shaft 333, one end of the front drive shaft 303 is connected to the front drive axle 32, and the other end is connected to an output flange on one side through a support of the drive shaft 3; one end of the rear drive shaft 333 is connected to the rear drive axle 34, and the other end is connected to the output flange on the other side.
As a preferred embodiment of the present utility model, the vehicle further comprises a motor controller 4, wherein the motor controller 4 is connected with the vehicle controller VCU through wires, and controls the forward and reverse rotation of the high-speed dual-output motor 1 to realize the forward or reverse operation of the vehicle.
The forward and backward rotation of the high-speed dual-output motor 1 is controlled by the motor controller 4 to realize the forward and backward rotation of the electric loader, a traditional multi-gear gearbox is not arranged, the production and manufacturing cost is reduced, and concretely, when the vehicle needs to be operated forward or backward, a gear shifting switch in a cab is operated, a gear shifting switch signal is sent to a complete machine controller VCU, the VCU sends the signal to the motor controller, and the motor controller controls the forward and backward rotation of the motor to realize the forward and backward rotation of the vehicle, as shown in an electrical schematic diagram in fig. 5.
Preferably, the hydraulic system pressure sensor is further arranged, the hydraulic system pressure sensor can measure the pressure of the hydraulic system of the loader and transmit signals to the complete machine controller VCU, the complete machine controller VCU transmits signals to the motor controller 4, and the motor controller 4 controls the rotation speed change of the high-speed double-output motor 1.
The hydraulic pressure sensor of the loader scale monitors the characteristics of high precision, high sensitivity, strong anti-interference capability, easy installation and the like of the movable arm oil cylinder pressure, the hydraulic oil pressure can be converted through a lever sensor for processing, the weight of materials is measured, a demand signal is transmitted to a motor controller 4 after the signal is processed by a complete machine VCU, the motor controller 4 controls the rotating speed change of a high-speed double-output motor 1 so as to realize the speed and torque output change of the complete machine, the motor is operated in a high-efficiency range by controlling the current of the motor, the frequency and the voltage of the motor power supply are controlled, the rotating speed torque range of the motor is expanded, the motor is operated in the high-efficiency range, the energy consumption of the complete machine of the loader is reduced, the prior art is also used, the VCU can control the output change of voltage and current, the motor can output with a large torque of more than 70 percent when the full load state is set, the maximum torque output is less than 30 percent when the load state is not needed, and the normal operation state can be between the two output torque ranges, so that the power source is effectively utilized.
The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements 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.
The description as it relates to "first", "second", etc. in the present utility model is for descriptive purposes only and is 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.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various modifications and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (9)

1. An electric loader power device with two output ends, comprising: the high-speed double-output motor comprises a high-speed double-output motor and a planetary gear reduction box, wherein the output end of the high-speed double-output motor is connected with the planetary gear reduction box through spline fit, the planetary gear reduction box is provided with an output flange plate, the output flange plate is connected with a transmission shaft, and the transmission shaft transmits power to a drive axle for the whole vehicle to work.
2. The motor-driven loader power device with two output ends according to claim 1, wherein the output end of the high-speed dual-output motor is provided with an internal spline, the planetary gear reduction box comprises a spline shaft and a planetary gear reduction structure, the internal spline is meshed with the spline shaft to transmit power, and the planetary gear reduction box outputs the power of the high-speed dual-output motor through the output flanges at the two ends after the power is reduced and increased through the planetary gear reduction structure.
3. The electric loader power device of claim 2, wherein the planetary gear speed reducing structure comprises a planetary gear, a sun gear and a gear ring, the sun gear and the planetary gear are rotatably connected between two opposite fixed plates, the spline shaft is connected with the sun gear, the planetary gear is cooperatively connected with the gear ring, the output flange is fixedly connected with the fixed plates, and the planetary gear is rotated to rotate the planetary gear to drive the fixed plates to rotate the output flange.
4. The electric loader power device with two output ends according to claim 3, wherein the fixing plate is provided with a sun gear mounting part, a planet gear mounting part, a connecting hole and a fixing hole, the fixing hole is provided with a plurality of fixing holes around the sun gear mounting part, the sun gear is mounted on the sun gear mounting part, the planet gears are mounted on the planet gear mounting part, a cushion block is arranged between the opposite fixing plates, the cushion block is connected with the two opposite fixing plates through the connecting hole by a bolt, and the output flange plate is connected with the fixing plate through the fixing hole by a bolt.
5. The electric loader power device with two output ends according to claim 3, wherein the planetary gear, the sun gear, the gear ring and the fixing plate are mounted on a housing of the planetary gear reduction box, the housing is composed of a first housing and a second housing, the first housing is provided with a first output port, the output flange is rotationally connected with the first output port, the gear ring is fixedly connected with the second housing, the second housing is provided with a second output port, the spline shaft penetrates through the second output port to be connected with an internal spline, and the first housing and the second housing are detachably connected.
6. The motor-driven loader power device of claim 5, wherein said high-speed dual output motor is provided with a connection portion detachably connected to said second housing.
7. The motor-driven loader power device with two output ends according to claim 1, wherein the transmission shaft comprises a front transmission shaft and a rear transmission shaft, one end of the front transmission shaft is connected with a front drive axle, and the other end is connected with an output flange at one side through a transmission shaft support; one end of the rear transmission shaft is connected with the rear drive axle, and the other end of the rear transmission shaft is connected with the output flange on the other side.
8. The motor-driven loader power device with two output ends according to claim 1, further comprising a motor controller, wherein the motor controller is connected with a whole vehicle controller VCU through a wire, and controls forward and reverse rotation of the high-speed double-output motor to realize forward or reverse operation of the whole vehicle.
9. The electric loader power device of claim 7, further comprising a hydraulic pressure sensor capable of measuring the hydraulic system pressure of the loader and transmitting signals to a complete machine controller VCU which transmits signals to a motor controller which controls the speed change of the high speed dual output motor.
CN202321588849.6U 2023-06-20 2023-06-20 Electric loader power device with two ends output Active CN219927444U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321588849.6U CN219927444U (en) 2023-06-20 2023-06-20 Electric loader power device with two ends output

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321588849.6U CN219927444U (en) 2023-06-20 2023-06-20 Electric loader power device with two ends output

Publications (1)

Publication Number Publication Date
CN219927444U true CN219927444U (en) 2023-10-31

Family

ID=88494808

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321588849.6U Active CN219927444U (en) 2023-06-20 2023-06-20 Electric loader power device with two ends output

Country Status (1)

Country Link
CN (1) CN219927444U (en)

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