CN216443456U

CN216443456U - Novel tricycle power structure

Info

Publication number: CN216443456U
Application number: CN202121438369.2U
Authority: CN
Inventors: 郭希龙
Original assignee: Xuzhou Meibang Electric Vehicle Technology Co ltd
Current assignee: Xuzhou Meibang Electric Vehicle Technology Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-05-06
Anticipated expiration: 2031-06-28

Abstract

The utility model is suitable for the technical field of electric vehicle structures, and provides a novel tricycle power structure which comprises a shaft assembly, a speed change assembly and a brake assembly, wherein the shaft assembly comprises a rear axle and half shafts, the rear axle is symmetrically provided with the two half shafts along a central line, one end of each half shaft is fixedly provided with a shaft sleeve, the speed change assembly comprises a gearbox and a motor, one end of the gearbox is fixedly provided with the motor, the motor is electrically connected with an external power supply, the brake assembly comprises brake discs, and the rear axle is symmetrically provided with the two brake discs along the central line.

Description

Novel tricycle power structure

Technical Field

The utility model belongs to the field of electric vehicle structures, and particularly relates to a novel tricycle power structure.

Background

The electric tricycle (electric operated tricycle) is a three-wheel transportation tool using a storage battery as power, a motor is used for driving goods pulling or people pulling, the electric tricycle adopts a tubular high-capacity, left and right liners, deep discharge and traction type storage battery, can adapt to the requirement of continuous discharge in long-time work, the storage battery is normally used for two years, the internal capacity is not reduced, the motor of the electric tricycle adopts a direct-current series-excitation traction type brush or brushless motor, a speed-regulating and force-increasing device is arranged in the motor, the motor is not easy to damage in normal use, and the output power is strong.

The existing electric tricycle dynamic structure brake structure easily causes the phenomenon of sideslip, and has the advantages of complex structure and higher installation cost, so that the safety coefficient of the electric tricycle is lower, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel tricycle power structure, and aims to solve the problems that the existing electric tricycle power structure brake structure is easy to cause a sideslip phenomenon, and the structure is complex, the installation cost is high, so that the safety coefficient of an electric tricycle is low, and the production cost is high.

The utility model discloses a novel tricycle power structure, which comprises a shaft assembly, a speed change assembly and a brake assembly, wherein the shaft assembly comprises a rear axle and half shafts, the rear axle is symmetrically provided with the two half shafts along a central line, one end of each half shaft is fixedly provided with a shaft sleeve, the speed change assembly comprises a gearbox and a motor, one end of the gearbox is fixedly provided with the motor, the motor is electrically connected with an external power supply, the brake assembly comprises a brake disc, and the rear axle is symmetrically provided with the two brake discs along the central line.

Preferably, the shaft sleeve is provided with a spline hole along a central point, the spline hole is an eighteen-tooth hole, and the shaft sleeve is rotatably connected with the brake disc.

Preferably, a flange plate is arranged at the joint of the rear axle and the brake disc, mounting holes are formed in the four corners of the flange plate, fastening bolts are arranged in the mounting holes, and the rear axle and the brake disc are fixedly connected through the flange plate.

Preferably, a plurality of reinforcing ribs are fixedly mounted in the gearbox.

Preferably, a gear shifting bracket is fixedly mounted at one end of the gearbox and fixedly connected with the gearbox through a screw.

Preferably, a gear set is rotatably mounted in the gearbox, an input end of the gear set is fixedly connected with the motor, and an output end of the gear set is fixedly connected with the half shaft.

Preferably, the rear axle is an integral rear axle, and the rear axle is made by welding.

Preferably, magnetic steel is arranged in the motor and is embedded in a V shape.

Compared with the prior art, the utility model has the beneficial effects that: according to the novel tricycle power structure, firstly, the power structure connected with the rear axle adopts a fastening bolt connection mode, so that the whole power structure is convenient to disassemble and assemble without influencing the strength of the whole structure, the installation cost of the power structure is reduced, the brake discs are symmetrically arranged, the rear axle is a bridge for connecting the brake discs on the left side and the right side, the left side and the right side are balanced by jointing the bearings and the gears, the function of bilateral braking is realized, the condition that an electric tricycle sideslips in the braking process is avoided, and the safety factor of the electric tricycle is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the flange of the present invention;

in the figure: 1. rear axle, 2, gearbox, 3, motor, 4, brake disc, 5, ring flange, 6, semi-axis, 7, axle sleeve.

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 specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a novel tricycle power structure, includes axle subassembly, speed change subassembly and brake subassembly, and the axle subassembly includes rear axle 1 and semi-axis 6, and two semi-axes 6 are installed along the central line symmetry to rear axle 1, and 6 one end fixed mounting of semi-axis have axle sleeve 7, and the speed change subassembly includes gearbox 2 and motor 3, and 2 one end fixed mounting of gearbox has motor 3, and 3 electric connection external power supply of motor, brake subassembly include brake disc 4, and two brake discs 4 are installed along the central line symmetry to rear axle 1.

In this embodiment, the power structure that first successive bridge 1 connects adopts fastening bolt's connected mode for whole power structure easy dismounting under the condition that does not influence overall structure intensity has reduced power structure's installation cost, be equipped with brake disc 4 through the symmetry, rear axle 1 is the bridge of connecting the 4 key brake discs on left and right sides, through bearing and gear joint, make the equilibrium on left and right sides, and realized the function of bilateral brake, avoid the condition that the electric tricycle sideslips at the braking in-process appearance, the factor of safety of electric tricycle has been improved.

In the embodiment, firstly, the flange 5 is welded with the rear axle 1, and then the butt joint hole reserved on the brake disc 4 corresponds to the mounting hole of the flange 5, and further the brake disc 4 can be fixedly mounted on the rear axle 1 by fixing the flange 5 with the fastening bolt, and meanwhile, the connecting mode of the fastening bolt is convenient for dismounting, so that the mounting cost of the brake disc 4 is reduced, most of the existing brake disc 4 structures are dead discs, the brake disc 4 adopts a movable disc process, so that the outer diameter of the brake disc 4 is more beneficial to being concentric with the half axle 6, compared with the dead discs, the brake effect is good, the sensitivity is high, the dismounting is easy, in the using process, a user starts a circuit of the motor 3 through an external controller, the magnetic steel in the motor 3 adopts a V-shaped embedded process, the magnetic steel leakage can be reduced, the service life of the motor 3 is prolonged, the whole gearbox 2 adopts aluminum alloy as a manufacturing material, the aluminum alloy material has high strength and strong dynamic load capacity, can effectively adapt to the high-strength working environment of the gearbox 2, effectively improves the stability of the gearbox 2 in working by fixedly installing a plurality of reinforcing ribs in the gearbox 2, the motor 3 drives the gear set to rotate to provide power for the gear set, and then the power drives the half shaft 6 to rotate through the gear set, enhances the structural strength of the half shaft 6 by adopting 45# steel for the half shaft 6 and adopting a cold extrusion process for the half shaft 6, solves the problems of low structural strength and easy breakage of the traditional half shaft 6, prolongs the service life of the half shaft 6, sleeves 7 are sleeved on the half shaft 6, the gears on the half shaft 6 are more tightly connected with the sleeves 7 by arranging the spline holes of eighteen tooth holes in the sleeves 7, simultaneously the traditional sleeves 7 easily break the half shaft 6 by bearing when in use, and enhances the torsional strength by the design of the spline holes of the eighteen tooth holes, the probability of bearing shelves disconnected semi-axis 6 has been reduced, the life of semi-axis 6 has further been improved, the rotation of semi-axis 6 control electric motor car wheel, the gear train adopts 20Cr to make for the material, gear material upgrading, the modulus is upgraded, the life of whole gears is high, reduce follow-up electric tricycle's cost of maintenance, through axle formula rear axle 1 as an organic whole, and rear axle 1 is made for the welding, 1 leakproofness of integrative welded rear axle is good, the reliability is high, locking, non-maintaining, the noise is low.

Furthermore, the shaft sleeve 7 is provided with a spline hole along the central point, the spline hole is an eighteen-tooth hole, and the shaft sleeve 7 is rotatably connected with the brake disc 4.

In this embodiment, axle sleeve 7 cover is located on semi-axis 6, through the splined hole of seting up eighteen tooth holes in axle sleeve 7 for gear on the semi-axis 6 is connected inseparabler with axle sleeve 7, and traditional axle sleeve 7 bearing is easy shelves disconnected semi-axis 6 when using simultaneously, and the torsional strength has been strengthened in the design of eighteen tooth hole splined holes, has reduced the probability that the bearing shelves disconnected semi-axis 6, has further improved semi-axis 6's life.

Furthermore, a flange 5 is arranged at the joint of the rear axle 1 and the brake disc 4, mounting holes are formed in four corners of the flange 5, fastening bolts are arranged in the mounting holes, and the rear axle 1 and the brake disc 4 are fixedly connected through the flange 5.

In this embodiment, at first with ring flange 5 and rear axle 1 welding, and then correspond the mounting hole of ring flange 5 with the butt joint hole of reserving on the brake disc 4, and then it is fixed with ring flange 5 through fastening bolt, can be with on brake disc 4 fixed mounting and the rear axle 1, fastening bolt's connected mode has the dismouting of being convenient for simultaneously, has reduced the installation cost of brake disc 4.

Furthermore, a plurality of reinforcing ribs are fixedly arranged in the gearbox 2.

In this embodiment, at first, wholly adopt the aluminum alloy to be manufacturing material through gearbox 2, the high strength of aluminum alloy material, dynamic load ability reinforce can effectively adapt to the high strength operational environment of gearbox 2, and through fixed mounting have a plurality of strengthening ribs in gearbox 2, effectual improvement gearbox 2 is at the stability of during operation.

Furthermore, a gear shifting bracket is fixedly mounted at one end of the gearbox and fixedly connected with the gearbox 2 through screws.

In this embodiment, at first through at gearbox one end fixed mounting have the shift support, the shift support can be adjusted gearbox 2, makes the user more level and smooth and easy when shifting, and the shift support passes through screw and 2 fixed connection of gearbox, makes the dismouting of shift support more convenient, is convenient for to the maintenance of shift support.

Furthermore, a gear set is rotatably mounted in the gearbox 2, the input end of the gear set is fixedly connected with the motor 3, and the output end of the gear set is fixedly connected with the half shaft 6.

In this embodiment, in the use, the user starts motor 3's circuit through external controller, and motor 3 drives the gear train and rotates, provides power for the gear train, and then power drives semi-axis 6 through the gear train and rotates, and semi-axis 6 controls the rotation of electric motor car wheel, and the gear train adopts 20Cr to make for the material, and gear material upgrading, modulus upgrade, and the life of whole gears is high, reduces follow-up electric tricycle's cost of maintenance.

Further, the rear axle 1 is an integrated rear axle 1, and the rear axle 1 is made by welding.

In this embodiment, the rear axle 1 is integrated into a whole through the bridge, and the rear axle 1 is made by welding, and the integrally welded rear axle 1 has good sealing performance, high reliability, looseness prevention, maintenance free and low noise.

Furthermore, magnetic steel is arranged in the motor 3 and is embedded in a V shape.

In the embodiment, the magnetic steel in the motor 3 adopts a V-shaped embedding process, so that the magnetic leakage of the magnetic steel can be reduced, and the service life of the motor 3 is prolonged.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a novel tricycle power structure, includes axle subassembly, speed change subassembly and brake subassembly, its characterized in that: the axle subassembly includes rear axle (1) and semi-axis (6), two semi-axes (6) are installed along the central line symmetry in rear axle (1), semi-axis (6) one end fixed mounting has axle sleeve (7), the speed change subassembly includes gearbox (2) and motor (3), gearbox (2) one end fixed mounting has motor (3), motor (3) electric connection external power source, the brake subassembly includes brake disc (4), two brake discs (4) are installed along the central line symmetry in rear axle (1).

2. The new tricycle power structure as claimed in claim 1, characterized in that: the axle sleeve (7) is provided with a splined hole along the central point, the splined hole is an eighteen-tooth hole, and the axle sleeve (7) is rotatably connected with the brake disc (4).

3. The new tricycle power structure as claimed in claim 1, characterized in that: rear axle (1) and brake disc (4) junction are equipped with ring flange (5), the mounting hole has been seted up in ring flange (5) four corners department, be equipped with fastening bolt in the mounting hole, rear axle (1) passes through ring flange (5) fixed connection with brake disc (4).

4. The new tricycle power structure as claimed in claim 1, characterized in that: and a plurality of reinforcing ribs are fixedly arranged in the gearbox (2).

5. The new tricycle power structure as claimed in claim 1, characterized in that: one end of the gearbox is fixedly provided with a gear shifting support, and the gear shifting support is fixedly connected with the gearbox (2) through a screw.

6. The new tricycle power structure as claimed in claim 1, characterized in that: the gearbox is characterized in that a gear set is installed in the gearbox (2) in a rotating mode, the input end of the gear set is fixedly connected with the motor (3), and the output end of the gear set is fixedly connected with the half shaft (6).

7. The new tricycle power structure as claimed in claim 1, characterized in that: the rear axle (1) is an integrated rear axle (1), and the rear axle (1) is made by welding.

8. The new tricycle power structure as claimed in claim 1, characterized in that: and magnetic steel is arranged in the motor (3), and the magnetic steel is embedded in a V shape.