Single-support direct output driving wheel structure

Abstract

The utility model discloses a single-support direct output driving wheel structure which comprises an output motor, a single-side support, a hub and a sun gear, the output motor, the single-side support and the sun gear are fixedly connected, and the inner side of the sun gear is connected with a first planet gear speed reduction assembly and a second planet gear speed reduction assembly in an engaged mode. The first planet gear speed reduction assembly and the second planet gear speed reduction assembly are connected in an inserted and buckled mode, an output gear of the output motor is connected with the first planet gear speed reduction assembly in an engaged mode, and the left side end of the second planet gear speed reduction assembly is connected with a flange plate. A first-level output plate is fixed to the left side end of the flange plate through bolts, a second-level output plate is fixed to the left side end of the first-level output plate through bolts, the left side end of the hub is fixed to the second-level output plate, and an auxiliary bearing is further installed between the right side end of the hub and the male wheel. And the operation is smoother and energy-saving.

Description

TECHNICAL FIELD

[0001] The utility model relates to drive wheel technical field, concretely relates to a single support straight output drive wheel structure. BACKGROUND

[0002] Drive wheel is used for driving the structure of vehicle forward, including some conventional tractor or ordinary carrying flat car etc., such as carrying flat car when running, its bottom is installed with at least one above drive wheel, is driven by drive wheel and makes flat car can steadily go forward, the drive wheel structure of present exists following insufficient: 1, such as patent application number CN202222399016.7 discloses a double gear hub flange transmission traction structure containing axial electromagnetic brake, its drive wheel adopts double support structure, and the cost is relatively high;2, the output efficiency between existing drive wheel motor and power output is not high;3, the concentricity of existing drive wheel hub when running cannot always keep stable, influence running smooth. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem to provide a single support straight output drive wheel structure, and its structure is simple, cost is low, output efficiency is high, and running is more smooth and energy-saving.

[0004] To solve the above problem, the utility model adopts the following technical scheme:

[0005] A single support straight output drive wheel structure, including output motor, single side support, wheel hub and sun gear, the output motor, single side support and sun gear are relatively fixedly connected through bolt, the inside of sun gear is engagedly connected with first planetary gear reducer assembly and second planetary gear reducer assembly, the first planetary gear reducer assembly and second planetary gear reducer assembly are inserted and buckled, the output gear of output motor is engagedly connected with first planetary gear reducer assembly, the left side end of second planetary gear reducer assembly is connected with flange plate, the left side end of sun gear is fixed with fixed disc through bolt, the flange plate and fixed disc are installed with linkage bearing between, the left side end of flange plate is fixed with primary output plate through bolt, the left side end of primary output plate is fixed with secondary output plate through bolt, the left side end of wheel hub is fixed on secondary output plate, the right side end of wheel hub and sun gear are also installed with auxiliary bearing between.

[0006] Further technical scheme, the second planetary gear reducer assembly includes intermediate linkage shaft, second planetary gear and linkage plate, the second planetary gear is equipped with three, and the intermediate linkage shaft and three second planetary gears are mutually engagedly connected, the second planetary gear is rotatably connected on linkage plate, and the second time speed reduction effect is played.

[0007] Further technical solutions are that the left end of the intermediate linkage shaft is a gear structure, and the right end of the intermediate linkage shaft is also provided with clamping grooves on the upper and / or lower sides, which mainly allows the right end of the intermediate linkage shaft to be inserted into the slot holes in the first planetary gear connecting plate of the left end to achieve the fixed connection by clamping.

[0008] Further technical solutions are that the first planetary gear reduction assembly includes a first planetary gear and a first planetary gear connecting plate, the first planetary gear is provided with three, and the first planetary gear connecting plate is provided with two pieces, and the three first planetary gears are rotationally connected between the two first planetary gear connecting plates to achieve the first reduction effect.

[0009] Further technical solutions are that the first planetary gear connecting plate is provided with slot holes on the left end for clamping connection with the intermediate linkage shaft.

[0010] Further technical solutions are that the left end of the second output plate is fixed with an outer baffle through bolts for dust and water prevention.

[0011] Further technical solutions are that the hub is also provided with a tire on the outer circumferential side for rolling.

[0012] The beneficial effects of the utility model are: the utility model discloses a single support direct output driving wheel structure, and the support is a single support, and compared with a double support, the cost is lower, two-stage output plates are used for direct power output, and the output efficiency is higher, a hub auxiliary bearing is added, the concentricity of the hub operation is guaranteed, the hub stress operation is more smooth, and simultaneously, the energy-saving effect is obvious in combination with the two-stage output plate and the auxiliary bearing. DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the attached drawings needed in the embodiment or the prior art description will be briefly introduced below, and obviously, the attached drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other attached drawings according to these attached drawings without creating creative labor.

[0014] Figure 1 It is a perspective view of the utility model discloses a single support direct output driving wheel structure.

[0015] Figure 2 It is a front view of the utility model discloses a single support direct output driving wheel structure.

[0016] Figure 3 It is a top view of the utility model discloses a single support direct output driving wheel structure.

[0017] Figure 4 It is a perspective view of the utility model discloses a single support direct output driving wheel structure. Figure 3A-A direction cross-sectional view;

[0018] Figure 5 An explosion map of the single support straight output driving wheel structure of the utility model;

[0019] Figure 6 A schematic diagram of the connection between the first planetary gear reduction assembly and the second planetary gear reduction assembly in the single support straight output driving wheel structure of the utility model;

[0020] Figure 7 A schematic diagram of the insertion of the intermediate linkage shaft 172 into the first planetary gear connecting plate 151 in the single support straight output driving wheel structure of the utility model.

[0021] Figures 1-7 In the figure: 1-output motor, 2-single support, 3-tire, 4-hub, 5-second output plate, 6-outer baffle, 7-first output plate, 8-flange, 9-bolt, 10-fixed disc, 11-linkage bearing, 12-sun gear, 13-assistant bearing, 15-first planetary gear reduction assembly, 16-output gear, 17-second planetary gear reduction assembly, 151-first planetary gear connecting plate, 152-first planetary gear, 153-groove, 171-second planetary gear, 172-intermediate linkage shaft, 173-linkage plate, 174-clamping groove. DETAILED DESCRIPTION

[0022] The preferred embodiments of the utility model are described in detail below, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0023] Referring to Figures 1 to 7 As shown in the figure, a single support straight output driving wheel structure includes an output motor 1, a single support 2, a hub 4, and a sun gear 12. The output motor 1, the single support 2, and the sun gear 12 are fixedly connected by a bolt 9. The sun gear 12 is connected with a first planetary gear reduction assembly 15 and a second planetary gear reduction assembly 17 on the inside by engagement. The first planetary gear reduction assembly 15 and the second planetary gear reduction assembly 17 are connected by insertion and buckling. The output gear 16 of the output motor 1 is connected with the first planetary gear reduction assembly 15 by engagement. The left end of the second planetary gear reduction assembly 17 is connected with a flange 8. The left end of the sun gear 12 is fixed with a fixed disc 10 by a bolt 9. The linkage bearing 11 is installed between the flange 8 and the fixed disc 10. The left end of the flange 8 is fixed with a first output plate 7 by a bolt. The left end of the first output plate 7 is fixed with a second output plate 5 by a bolt. The left end of the hub 4 is fixed on the second output plate 5. The right end of the hub 4 is installed with an auxiliary bearing 13 between the sun gear 12.

[0024] The second planetary gear reduction assembly 17 comprises an intermediate linkage shaft 172, a second planetary gear 171 and a linkage plate 173, the second planetary gear 171 is provided with three, and the intermediate linkage shaft 172 is connected with the three second planetary gears 171, the second planetary gear 171 is rotatably connected to the linkage plate 173, and the second planetary gear 171 has a second reduction effect. The left end of the intermediate linkage shaft 172 is a gear structure, and the right end of the intermediate linkage shaft 172 is further provided with a clamping groove 174 on the upper and / or lower sides, and the clamping groove 174 is mainly arranged to allow the right end of the intermediate linkage shaft 172 to be inserted into the slot hole 153 of the first planetary gear connecting plate 151 to realize the snap connection. The first planetary gear reduction assembly 15 comprises a first planetary gear 152 and a first planetary gear connecting plate 151, the first planetary gear 152 is provided with three, the first planetary gear connecting plate 151 is provided with two, and the three first planetary gears 152 are rotatably connected between the two first planetary gear connecting plates 151, and the first planetary gear connecting plate 151 has a first reduction effect. The first planetary gear connecting plate 151 is provided with a slot hole 153 on the left side, which is used for snap connection with the intermediate linkage shaft 172. The left side of the second output plate 5 is fixed with an outer baffle 6 through bolts, which is dustproof and waterproof. The outer circumference of the hub 4 is also provided with a tire 3, which is used for rolling.

[0025] In the embodiment, the output motor 1 drives the output gear 16 on the output motor 1 to rotate, the output gear 16 is engaged with the first planetary gear reduction assembly 15, drives the three first planetary gears 152 to rotate along the circumference of the first planetary gear connecting plate 151, the first planetary gear connecting plate 151 rotates along the circumference, drives the first planetary gear connecting plate 151 to rotate, the first planetary gear connecting plate 151 rotates, drives the intermediate linkage shaft 172 to rotate, the left end of the intermediate linkage shaft 172 is a gear structure and is engaged with the three second planetary gears 171, the three second planetary gears 171 rotate along with the linkage plate 173, and the left end of the three second planetary gears 171 is connected with the flange plate 8, the rotation of the three second planetary gears 171 drives the flange plate 8 to rotate, because the output motor 1, the single-sided support 2 and the sun gear 12 are relatively fixed by bolts and are not movable, therefore, the flange plate 8 and the sun gear 12 are further provided with a linkage bearing 11 to realize the rotation of the flange plate 8, the flange plate 8 drives the first output plate 7 and the second output plate 5 to rotate after rotating, the hub 4 is fixed on the second output plate 5, the second output plate 5 directly outputs power, and the output efficiency is higher, the second output plate 5 drives the hub 4 to rotate, and finally, the hub 4 drives the tire 3 to rotate to realize walking, and the sun gear 12 is fixed and not movable, the hub 4 and the sun gear 12 are connected through the auxiliary bearing 13 to realize rotation, the auxiliary bearing 13 in the hub 4 is increased to ensure the concentricity of the hub 4, so that the hub 4 runs more smoothly, at the same time, the single-sided second output plate 5 has large output strength, and in combination with the auxiliary bearing 13, compared with other structures, the same power output can reduce the motor power, and the energy saving effect is obvious.

[0026] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any change or replacement without creative labor should be covered in the protection scope of the present application.

Claims

1. A single-pulley direct output drive wheel structure, characterized by: The utility model provides an output motor, one side support, wheel hub and sun gear, the output motor, one side support and sun gear are relatively fixedly connected through bolt, the inside of sun gear is engagedly connected with first planetary gear reduction assembly and second planetary gear reduction assembly, first planetary gear reduction assembly and second planetary gear reduction assembly are inserted and are connected between buckle, the output gear of output motor is engagedly connected with first planetary gear reduction assembly, the left side end of second planetary gear reduction assembly is connected with flange plate, the left side end of sun gear is fixed with fixed disc through bolt, the flange plate and fixed disc are installed with linkage bearing between, the left side end of flange plate is fixed with primary output plate through bolt, the left side end of primary output plate is fixed with secondary output plate through bolt, the left side end of wheel hub is fixed on secondary output plate, the right side end of wheel hub and sun gear are also installed with auxiliary bearing between.

2. The single-pulley direct output drive wheel structure according to claim 1, characterized by: The second planetary gear reduction assembly includes an intermediate linkage shaft, second planetary gears, and a linkage plate, the second planetary gears are provided with three, and the intermediate linkage shaft and the three second planetary gears are engagedly connected with each other, and the second planetary gears are rotationally connected to the linkage plate.

3. The single-pulley direct output drive wheel structure according to claim 2, characterized by: The left end of the intermediate linkage shaft is a gear structure, and the right end and / or the lower end of the intermediate linkage shaft is further provided with a clamping groove.

4. The single-pulley direct output drive wheel structure according to claim 1, characterized by: The first planetary gear reduction assembly includes first planetary gears and a first planetary gear connecting plate, the first planetary gears are provided with three, and the first planetary gear connecting plate is provided with two pieces, and the three first planetary gears are rotationally connected between the two pieces of the first planetary gear connecting plate.

5. The single-pulley direct output drive wheel structure according to claim 4, characterized by: The left end of the first planetary gear connecting plate is further provided with a slot hole.

6. The single-pulley direct output drive wheel structure according to claim 1, characterized by: The left end of the secondary output plate is fixed with an outer baffle through a bolt.

7. The single-pulley direct output drive wheel structure according to claim 1, characterized by: The outer circumference of the wheel hub is further provided with a tire.

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