CN211364249U

CN211364249U - Walking driving wheel

Info

Publication number: CN211364249U
Application number: CN201922183202.5U
Authority: CN
Inventors: 黄炳; 刘哲; 高东益; 许斌
Original assignee: Ningbo Zhongda Leader Intelligent Transmission Co ltd
Current assignee: Ningbo Zhongda Leader Intelligent Transmission Co ltd
Priority date: 2019-12-07
Filing date: 2019-12-07
Publication date: 2020-08-28
Anticipated expiration: 2029-12-07

Abstract

The utility model relates to a walking drive wheel relates to electric fork truck's technical field, has solved and has reached sufficient drive ratio for first driven gear's diameter is great, has increased the problem of drive wheel cost, and it includes: the device comprises a driving frame, a driving motor, a driving gear, a driven gear, a framework cylinder, a rubber covered wheel, a front end cover fixed at the front end of the driving motor, a planet carrier supported in the front end cover through a bearing, a roller shaft eccentrically arranged with the planet carrier, a planet wheel sleeved on the roller shaft, an inner gear inserted in the front end cover and meshed with the planet wheel, a poking disc fixed on the planet carrier and a poking cover; the driving frame is fixed on the peripheral wall of the driving motor, the framework cylinder is connected to the peripheral wall of the driving motor in a rotating mode, and the driven gear is arranged on the roller shaft in a sleeved mode and meshed with the driving gear. The utility model discloses have and keep under the unchangeable circumstances of drive ratio, reduce driven gear's diameter, and then reduce the volume of drive wheel, reduce the manufacturing cost's of drive wheel effect.

Description

Walking driving wheel

Technical Field

The utility model belongs to the technical field of electric fork-lift's technique and specifically relates to a walking drive wheel is related to.

Background

The forklift is an industrial carrying vehicle, which refers to various wheeled carrying vehicles for loading, unloading, stacking and short-distance transportation of finished pallet goods, plays a very important role in a logistics system of an enterprise, is a main force in material carrying equipment, is commonly used for transportation of large storage objects, and is usually driven by an oil-fired machine or a battery.

In the prior art, for example, chinese patent with publication number CN204309582U discloses a driving wheel assembly of an electric forklift, which includes a driving frame, a driving motor disposed in the driving frame, a driving gear disposed on an output shaft of the driving motor, a transmission shaft disposed in the driving frame, a first driven gear and a second driven gear disposed on the transmission shaft, and a driving gear engaged with the first driven gear; a circle of inner gear barrel is arranged at the periphery of the driving motor, the inner gear barrel is supported on the driving motor through a bearing, an inner gear ring is arranged on the inner wall of the inner gear barrel, and a second driven gear is meshed with the inner gear ring; the inner gear barrel is sleeved with a framework barrel, the rear end of the framework barrel is provided with a circle of inward-folded positioning ring, and the positioning ring is positioned behind the inner gear barrel and is close to the rear end face of the inner gear barrel; the locking screw is locked into the inner tooth cylinder from the positioning ring; the skeleton cylinder is sleeved with a rubber coating wheel. The gear is driven and decelerated by the driving gear, the first driven gear, the second driven gear and the inner gear ring.

The above prior art solutions have the following drawbacks: through the structure for transmission, under the condition of not changing a driving gear, the diameter of the first driven gear is larger to achieve a sufficient transmission ratio, the volume of the driving wheel is increased, the cost of the driving wheel is further increased, and an improved space is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a walking drive wheel keeps under the unchangeable circumstances of drive ratio, has reduced driven gear's diameter, and then has reduced the volume of drive wheel, has reduced the manufacturing cost of drive wheel.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a walking driving wheel comprises a driving frame, a driving motor, a driving gear, a driven gear, a framework cylinder and a rubber coating wheel, and further comprises a front end cover which is fixed at the front end of the driving motor and is concentrically arranged with the driving motor, a planet carrier which is supported in the front end cover through a bearing and is concentrically arranged with the front end cover, a roller shaft which is arranged on the planet carrier in a penetrating way and is eccentrically arranged with the planet carrier, a planet wheel which is sleeved at one side of the roller shaft, far away from the driving motor, and synchronously rotates with the driven gear, an inner gear which is inserted in the front end cover, is concentrically arranged with the front end cover and is mutually meshed with the planet wheel, a toggle disk which is fixed at one end of the planet carrier, far away from the driving motor, and;

the driving frame is fixed on the outer peripheral wall of the driving motor far away from the output shaft, the framework cylinder is supported by a bearing and is rotatably connected to the outer peripheral wall of the driving motor, and the driven gear is sleeved on the roller shaft, is mutually meshed with the driving gear and drives the planet gear to rotate.

Through adopting above-mentioned technical scheme, set up through the combination of planet wheel and internal gear, make the drive ratio under the unchangeable circumstances, driven gear's diameter can suitably reduce, and then has reduced the volume of drive wheel, has reduced the manufacturing cost of drive wheel, has reduced the noise when drive wheel uses simultaneously.

The utility model discloses further set up to: the roller shaft is fixed with the planet carrier, and the planet wheel is rotationally connected with the roller shaft.

Through adopting above-mentioned technical scheme, the roller shaft is fixed with the planet carrier, makes the roller shaft need not to be connected with the planet carrier through the bearing, has reduced the diameter of planet carrier, and then has reduced the volume of planet carrier, has reduced the manufacturing cost of planet carrier, has reduced the volume of drive wheel simultaneously, and then has reduced the manufacturing cost of drive wheel.

The utility model discloses further set up to: the roller shaft is rotatably connected to the planet carrier through a bearing, and the planet wheel is fixedly connected with the roller shaft.

Through adopting above-mentioned technical scheme, planet wheel and roller axle fixed connection make planet wheel and roller axle can not take place relative friction when using, have improved the life of planet wheel and roller axle.

The utility model discloses further set up to: and one end of the planet wheel close to the driving motor is integrally provided with a connecting cylinder for sleeving and fixing the driven gear.

Through adopting above-mentioned technical scheme, the setting of connecting cylinder makes driven gear and planet wheel be difficult for taking place relative rotation when the transmission, has ensured the synchronism of planet wheel with driven gear, stability when having improved planet wheel and driven gear transmission.

The utility model discloses further set up to: the roller shafts, the planet wheels and the driven gears are at least two in number and are uniformly arranged along the circumferential direction of the planet carrier, and the roller shafts are in one-to-one correspondence with the planet wheels and the driven gears.

Through adopting above-mentioned technical scheme, compare a roller shaft and a planet wheel, two and above roller shaft and planet wheel have shared the bite-force between planet wheel and the internal gear, make the meshing tooth of planet wheel and internal gear be difficult for collapsing absolutely, have improved the life of planet wheel and internal gear.

The utility model discloses further set up to: the planet carrier comprises a first support and a second support, wherein the first support is supported by a bearing and is rotatably connected to the inner side of the front end cover, the second support is fixed on one side, away from the driving motor, of the first support, and the second support is rotatably connected to the inner side of the front end cover through the bearing.

Through adopting above-mentioned technical scheme, the planet carrier is the components of a whole that can function independently setting, makes things convenient for the drive wheel to carry out the dismouting, when certain takes place to damage simultaneously, only need change corresponding part can, reduced the cost of changing.

To sum up, the utility model discloses a beneficial technological effect does:

under the condition of keeping the transmission ratio unchanged, the diameter of the driven gear is reduced, the size of the driving wheel is further reduced, and the production cost of the driving wheel is reduced.

Drawings

Fig. 1 is a schematic structural view of a traveling driving wheel of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure, 1, a driving frame; 2. a drive motor; 3. a driving gear; 4. a driven gear; 5. a skeleton cylinder; 6. wrapping a rubber wheel; 7. a front end cover; 8. a planet carrier; 9. a roller shaft; 10. a planet wheel; 11. an internal gear; 12. a dial plate; 13. a cover is shifted; 14. a connecting cylinder; 15. a first bracket; 16. a second support.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-2.

Referring to fig. 1, for the utility model discloses a walking drive wheel, including drive frame 1, driving motor 2, driving gear 3, driven gear 4, front end housing 7, planet wheel 10, internal gear 11, roller shaft 9, planet carrier 8, dial dish 12, stir cover 13, skeleton section of thick bamboo 5 and rubber coating wheel 6.

Referring to fig. 1 and 2, a driving frame 1 is fixed on the outer peripheral wall of one side of a driving motor 2 far away from an output shaft, a framework cylinder 5 is supported by a bearing and is rotatably connected to the outer peripheral wall of the driving motor 2, and a rubber coating wheel 6 is sleeved and fixed on the outer peripheral wall of the framework cylinder 5; the front end cover 7 is fixed at the output end of the driving motor 2 through screws, the front end cover 7 and the driving motor 2 are concentrically arranged, the output shaft of the driving motor 2 extends into the front end cover 7, and the driving gear 3 is integrally arranged on the output shaft of the driving motor 2;

in one embodiment, the planet carrier 8 includes a first support 15 and a second support 16, the first support 15 is supported by a bearing and rotatably connected in the front cover 7, the first support 15 is located on one side of the front cover 7 close to the driving motor 2, the second support 16 is supported by a bearing and rotatably connected to one side of the front cover 7 far away from the driving motor 2, the second support 16 is fixed with the first support 15, and the second support 16 is concentrically arranged with the first support 15.

In one embodiment, the planet carrier 8 includes a first bracket 15 and a second bracket 16, and the first bracket 15 and the second bracket 16 may also be integrally provided.

In one embodiment, the number of the roller shafts 9 is at least one, two ends of each roller shaft 9 are respectively inserted and fixed to the first support 15 and the second support 16, each roller shaft 9 is eccentrically arranged with the first support 15 and the second support 16, each planet wheel 10 is sleeved on the roller shaft 9, each planet wheel 10 is rotatably connected with the corresponding roller shaft 9, one side, close to the driving motor 2, of each planet wheel 10 is integrally provided with a connecting cylinder 14, the connecting cylinders 14 and the planet wheels 10 are concentrically arranged, and the driven gear 4 is sleeved and fixed on the connecting cylinders 14 so that the planet wheels 10 and the driven gear 4 synchronously rotate; the roller shafts 9 correspond to the planet wheels 10 and the driven gears 4 one by one, and when the number of the roller shafts 9, the planet wheels 10 and the driven gears 4 is more than two, the roller shafts 9, the planet wheels 10 and the driven gears 4 are uniformly distributed along the circumferential direction of the front end cover 7.

In one embodiment, the number of the roller shafts 9 is at least one, two ends of each roller shaft 9 respectively penetrate through the first support 15 and the second support 16, two ends of each roller shaft 9 are respectively and rotatably connected with the first support 15 and the second support 16 through bearings, the roller shafts 9, the first support 15 and the second support 16 are eccentrically arranged, the planetary gear 10 is sleeved on the roller shafts 9 and fixedly connected with the roller shafts 9, and the planetary gear 10 can be fixedly connected with the roller shafts 9 in an interference fit manner or can be fixedly connected with the roller shafts 9 through a key joint; the roller shafts 9 correspond to the planet wheels 10 and the driven gears 4 one by one, and when the number of the roller shafts 9, the planet wheels 10 and the driven gears 4 is more than two, the roller shafts 9, the planet wheels 10 and the driven gears 4 are uniformly distributed along the circumferential direction of the front end cover 7.

The internal gear 11 is inserted into the front end cover 7, the internal gear 11 is meshed with the planet gear 10, and the outer peripheral wall of the internal gear 11 is in interference fit with the front end cover 7, so that the planet gear 10 rotates around the internal gear 11 while rotating.

One end of the second support 16, which is far away from the driving motor 2, penetrates out of the front end cover 7, the toggle disc 12 is fixed at one end of the second support 16, which is far away from the driving motor 2, the toggle disc 12 is fixed with the framework cylinder 5, the toggle cover 13 is fixed at one side, which is far away from the driving motor 2, of the framework cylinder 5, and the toggle cover 13 is fixed with the toggle disc 12 so as to drive the rubber coating wheel 6 to rotate; the dial cover 13 and the dial plate 12 may also be integrally arranged.

The implementation principle of the embodiment is as follows:

the driving gear 3 drives the driven gear 4 to rotate under the driving of the driving motor 2, the driven gear 4 drives the planet wheel 10 to rotate, and the planet wheel 10 revolves around the inner gear 11 while rotating, so that the diameter of the driven gear 4 can be properly reduced under the condition of keeping the transmission ratio unchanged, the diameter of the driving wheel is reduced, and the production cost of the driving wheel is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a walking drive wheel, includes that carriage (1), driving motor (2), driving gear (3), driven gear (4), skeleton section of thick bamboo (5) and rubber coating wheel (6), its characterized in that: the mechanism also comprises a front end cover (7) which is fixed at the front end of the driving motor (2) and is concentrically arranged with the driving motor (2), a planet carrier (8) which is supported in the front end cover (7) through a bearing and is concentrically arranged with the front end cover (7), a roller shaft (9) which is arranged on the planet carrier (8) in a penetrating way and is eccentrically arranged with the planet carrier (8), a planet wheel (10) which is sleeved at one side of the roller shaft (9) far away from the driving motor (2) and synchronously rotates with the driven gear (4), an inner gear (11) which is inserted in the front end cover (7) and is concentrically arranged with the front end cover (7) and is mutually meshed with the planet wheel (10), a toggle disc (12) which is fixed at one end of the planet carrier (8) far away from the driving motor (2) and a toggle cover (13) which is fixedly connected with the toggle disc (12) and;

the driving frame (1) is fixed on the peripheral wall, far away from the output shaft, of the driving motor (2), the framework barrel (5) is supported by a bearing and is rotatably connected to the peripheral wall of the driving motor (2), and the driven gear (4) is sleeved on the roller shaft (9), meshed with the driving gear (3) and drives the planet gear (10) to rotate.

2. A travel drive wheel according to claim 1, wherein: the roller shaft (9) is fixed with the planet carrier (8), and the planet wheel (10) is rotationally connected with the roller shaft (9).

3. A travel drive wheel according to claim 1, wherein: the roller shaft (9) is rotatably connected to the planet carrier (8) through a bearing, and the planet wheel (10) is fixedly connected with the roller shaft (9).

4. A travel drive wheel according to claim 1, wherein: one end of the planet wheel (10) close to the driving motor (2) is integrally provided with a connecting cylinder (14) for the driven gear (4) to be sleeved and fixed.

5. A travel drive wheel according to claim 1, wherein: the number of the roller shafts (9), the number of the planet wheels (10) and the number of the driven gears (4) are at least two, the roller shafts are uniformly arranged along the circumferential direction of the planet carrier (8), and the roller shafts (9), the planet wheels (10) and the driven gears (4) are in one-to-one correspondence.

6. A travel drive wheel according to claim 1, wherein: the planet carrier (8) comprises a first support (15) which is supported by a bearing and is rotatably connected to the inner side of the front end cover (7) and a second support (16) which is fixed on one side, away from the driving motor (2), of the first support (15) and is rotatably connected to the inner side of the front end cover (7) by the bearing.