CN214305175U

CN214305175U - Electric driving wheel directly driven by direct current motor

Info

Publication number: CN214305175U
Application number: CN202120542999.8U
Authority: CN
Inventors: 叶海刚
Original assignee: Ningbo Tuoke Transmission Co ltd
Current assignee: Ningbo Tuoke Transmission Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-09-28
Anticipated expiration: 2031-03-16

Abstract

The utility model provides a direct current motor direct drive's electric drive wheel, include: the speed reducer comprises a speed reducer shell, a supporting seat, a driving motor and a speed reducer assembly, wherein the speed reducer assembly is arranged in the speed reducer shell and is connected with the driving motor; the speed reducer subassembly includes: the dual gear is meshed with an output wheel of the driving motor, the single gear is respectively meshed with external teeth of the dual gear and internal teeth of the reducer shell, an output wheel at the other end of the driving motor is meshed with a large gear of the dual gear, and a small gear of the dual gear is meshed with the single gear. The utility model relates to a direct current motor direct drive's electric drive wheel is sealed effectual, and result of use and life are longer, and is better to the adaptability that different operating modes required, inner structure is simple, and manufacturing cost is lower.

Description

Electric driving wheel directly driven by direct current motor

Technical Field

The utility model relates to a direct current motor reduction gear technical field, in particular to direct current motor direct drive's electric drive wheel.

Background

At present, an electric driving wheel for self-walking of a scissor-fork type aerial work vehicle is mostly connected with a bottom plate of the scissor-fork type aerial work vehicle frame through an L-shaped fixed support, and the electric driving wheel is only used as a driving wheel and is not used as a steering wheel. The existing electric driving wheel only considers the indoor use working condition of a machine, but does not consider the indoor or outdoor use working condition completely, so a reliable sealing structure is not considered during the design of the speed reducer of the electric driving wheel, silt and water are often invaded into the speed reducer in the use process, the service life of the speed reducer is premature, and the invasion of the silt and the water causes that the damaged speed reducer basically does not have any maintenance value, and the whole machine is required to be replaced with new one, so that the maintenance cost of a client is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a complexity and manufacturing cost direct current motor direct drive's electric drive wheel that has self sealss structure, reduction gear good use effect, long service life, can reduce inner structure.

(II) technical scheme

In order to solve the technical problem, the utility model discloses a direct current motor direct drive's electric drive wheel, include: the speed reducer comprises a speed reducer shell, a supporting seat, a driving motor and a speed reducer assembly, wherein the speed reducer assembly is arranged in the speed reducer shell and is connected with the driving motor, a driving wheel is arranged on the outer side of the speed reducer shell, the driving wheel comprises a rubber wheel in interference fit with the speed reducer shell, the supporting seat is arranged on one side in the speed reducer shell, and the driving motor is installed on the supporting seat; the speed reducer assembly includes: the double-linkage gear is meshed with an output wheel of the driving motor, the single-linkage gear is meshed with the double-linkage gear and inner teeth of the speed reducer shell respectively, a self-sealing bearing is arranged on the shaft diameter of the output wheel and is installed in a bearing hole of the supporting seat, the speed reduction effect on the speed reducer shell can be achieved through the arrangement of the speed reducer assembly, the inner portion of the structure is arranged on the double-linkage gear and the single-linkage gear, the inner portion of the structure can be simpler in structure, the manufacturing cost is reduced, the complexity of the speed reducer is reduced to a certain degree, and the requirement of working conditions that only the driving wheel is needed to be used without being used as a steering wheel can be met through the arrangement of the driving wheel.

Furthermore, an electromagnetic brake is arranged at one end, far away from the speed reducer assembly, of the driving motor, an output wheel at the other end of the driving motor is meshed with a large gear of the duplicate gear, a small gear of the duplicate gear is meshed with the single gear, and the electromagnetic brake can be used for guaranteeing the reliable parking brake and the slope parking safety of the whole machine.

Further, the reduction gear subassembly sets up one side of bearing, the duplicate gear with the single gear passes through needle bearing and rotates the setting and be in on the bearing, needle bearing installs through the round pin axle on the bearing, the bearing passes through deep groove ball bearing and supports the setting and be in reducer housing's inboard, deep groove ball bearing's inner circle is installed on the bearing, through needle bearing and the rationality that inner structure set up can be guaranteed in deep groove ball bearing's setting, and inner structure occupation space still less, and overall structure is simpler.

Furthermore, an installation base is arranged at one end of the supporting seat and used for being connected with an external frame, the installation base is L-shaped, the supporting seat is of an integrally cast structure, supporting of the single-link gear and the double-link gear is guaranteed, supporting of the driving wheel can be achieved, the installation base can be more conveniently connected with the external frame, operation and use are more convenient, the integral structure is more stable, stability of the internal structure is better, and the service life is longer.

Furthermore, be provided with the skeleton oil blanket on the bearing, install in the outside of skeleton oil blanket on retarder casing's hole, one side of retarder casing is provided with the reduction gear end cover, the reduction gear end cover with be provided with the packing ring between the retarder casing, the setting of packing ring and inside debris such as outside water and silt have been prevented effectively to set up of skeleton oil blanket gets into the speed reducer, guarantees that inside parts can normally work.

(III) advantageous effects

The utility model relates to a direct current motor direct drive's electric drive wheel lies in for prior art's advantage: can make things convenient for the installation and the support of outside frame more, utilize setting up convenience of customers dismouting use of installation base, drive wheel and reduction gear housing through setting up are in order to satisfy only to do the drive wheel and need not do the operating mode requirement that the directive wheel used, promote the result of use greatly, the setting of inside reduction gear subassembly and bearing can reduce the complexity of speed reducer on the one hand in addition, the manufacturing cost of complete machine has also been reduced simultaneously, on the other hand can combine packing ring and skeleton oil blanket to improve holistic sealed effect, it gets into inside the speed reducer to have prevented debris such as outside water and silt effectively.

Drawings

Fig. 1 is a schematic structural view of an electric driving wheel directly driven by a dc motor according to the present invention;

fig. 2 is an enlarged view of an electric driving wheel a directly driven by a dc motor according to the present invention;

fig. 3 is an enlarged view of an electric driving wheel B directly driven by a dc motor according to the present invention;

wherein: the device comprises a speed reducer shell 1, a supporting seat 2, a driving motor 3, a driving wheel 4, a duplicate gear 5, a single-link gear 6, an output wheel 7, an electromagnetic brake 8, a needle bearing 9, a pin shaft 10, a speed reducer shell 11, a deep groove ball bearing 12, an installation base 13, a framework oil seal 14, an inner hole 15, a speed reducer end cover 16, a gasket 17, a rubber wheel 18 and a self-sealing bearing 19.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 3, an electric driving wheel directly driven by a dc motor includes: the reducer comprises a reducer shell 1, a supporting seat 2, a driving motor 3 and a reducer assembly, wherein the reducer assembly is arranged in the reducer shell 1 and is connected with the driving motor 3, a driving wheel 4 is arranged on the outer side of the reducer shell 1, the driving wheel 4 comprises a rubber wheel 18 in interference fit with the reducer shell 1, the supporting seat 2 is arranged on one side in the reducer shell 1, and the driving motor 3 is arranged on the supporting seat 2; the speed reducer subassembly includes: duplicate gear 5 and single gear 6, duplicate gear 5 and driving motor 3's output wheel 7 meshing, single gear 6 respectively with duplicate gear 5 and reducer case 1's internal tooth meshing, be provided with self-sealing bearing 19 on the shaft diameter of output wheel 7, self-sealing bearing 19 installs in the bearing hole of bearing 2, and is specific: during operation, connect outside frame on installation base 13, drive duplicate gear 5 through driving motor 3 and rotate, thereby drive single gear 6 and rotate, realize the speed reduction effect to reduction gear housing 1 and drive wheel 4, realize the deceleration effect to reduction gear housing 1 through setting up of reduction gear subassembly, inside duplicate gear 5 and the single gear 6 that set up can make inside structure simpler, reduce the cost of manufacturing and processing, and reduce the complexity of reduction gear to a certain extent, can satisfy only to do the drive wheel and need not do the operating mode requirement that the directive wheel used through the setting of drive wheel 4, and holistic structure is comparatively simple, the inner structure sets up more rationally.

Referring to fig. 1 and 2, one end of the driving motor 3, which is far away from the reducer assembly, is provided with an electromagnetic brake 8, an output wheel 7 at the other end of the driving motor 3 is meshed with a large gear of the duplicate gear 5, a small gear of the duplicate gear 5 is meshed with the single gear 6, the electromagnetic brake 8 is utilized to ensure the reliable parking brake and the slope parking safety of the whole machine, meanwhile, the reduction effect can be better realized through the transmission of the duplicate gear 5 and the single gear 6, meanwhile, the setting of the internal structure can be ensured to be more reasonable, and the occupation of the space is reduced.

Referring to fig. 1 and 3, the reducer assembly is disposed on one side of the support base 2, the dual gear 5 and the single gear 6 are rotatably disposed on the support base 2 through the needle bearing 9, the needle bearing 9 is mounted on the support base 2 through the pin shaft 10, the support base 2 is supported and disposed on the inner side of the reducer housing 1 through the deep groove ball bearing 12, an inner ring of the deep groove ball bearing 12 is mounted on the support base 2, the reasonability of the arrangement of the internal structure can be ensured through the arrangement of the needle bearing 9 and the deep groove ball bearing 12, the internal structure occupies less space, and the overall structure is simpler.

Referring to fig. 1, one end of the supporting seat 2 is provided with an installation base 13, the installation base 13 is used for being connected with an external frame, the installation base 13 is of an 'L' shape, the supporting seat 2 guarantees the supporting of the single-link gear 6 and the double-link gear 5 by adopting an integrally cast structure, the supporting of the driving wheel 4 can be realized, the installation base 13 can be more conveniently connected with the external frame, the operation and the use are more convenient, the integral structure is more stable, the stability of the internal structure is better, and the service life is longer.

Referring to fig. 1 and 2, a framework oil seal 14 is arranged on a supporting seat 2, the outer side of the framework oil seal 14 is installed on an inner hole 15 of a reducer casing 1, a reducer end cover 16 is arranged on one side of the reducer casing 1, a gasket 17 is arranged between the reducer end cover 16 and the reducer casing 1, and the gasket 17 and the framework oil seal 14 can effectively prevent foreign matters such as external water and silt from entering the interior of the reducer and ensure that internal components can normally work.

This embodiment direct current motor direct drive's electric drive wheel utilizes the convenience of customers dismouting of setting up of installation base to use, can make things convenient for the installation and the support of outside frame more, drive wheel and reduction gear housing through setting up are in order to satisfy only to be the drive wheel and need not do the operating mode requirement that the directive wheel used, promote the result of use greatly, the setting of inside reduction gear subassembly and bearing can reduce the complexity of speed reducer on the one hand in addition, the manufacturing cost of complete machine has also been reduced simultaneously, on the other hand can combine packing ring and skeleton oil blanket to improve holistic sealed effect, it gets into inside the speed reducer to have prevented debris such as outside water and silt effectively.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An electric drive wheel directly driven by a direct current motor, comprising: the speed reducer comprises a speed reducer shell (1), a supporting seat (2), a driving motor (3) and a speed reducer assembly, wherein the speed reducer assembly is arranged in the speed reducer shell (1) and is connected with the driving motor (3), a driving wheel (4) is arranged on the outer side of the speed reducer shell (1), the supporting seat (2) is arranged on one side in the speed reducer shell (1), and the driving motor (3) is arranged on the supporting seat (2); the speed reducer assembly includes: the dual-gear type speed reducer is characterized by comprising a dual gear (5) and a single gear (6), wherein the dual gear (5) is meshed with an output wheel (7) of the driving motor (3), and the single gear (6) is respectively meshed with the dual gear (5) and the inner teeth of the speed reducer shell (1).

2. An electric drive wheel directly driven by a direct current motor as claimed in claim 1, characterized in that an electromagnetic brake (8) is arranged at the end of the drive motor (3) remote from the retarder unit, an output wheel (7) at the other end of the drive motor (3) is engaged with a large gear of the double gear (5), and a small gear of the double gear (5) is engaged with the single gear (6).

3. An electric drive wheel directly driven by a direct current motor according to claim 1, wherein said speed reducer assembly is disposed on one side of said support base (2), said double gear (5) and said single gear (6) are rotatably disposed on said support base (2) through needle bearings (9), and said needle bearings (9) are mounted on said support base (2) through pins (10).

4. An electric drive wheel directly driven by a direct current motor according to claim 1, characterized in that a self-sealing bearing (19) is arranged on the shaft diameter of the output wheel (7), and the self-sealing bearing (19) is arranged in a bearing hole of the support base (2).

5. An electric drive wheel directly driven by a direct current motor according to claim 1, characterised in that said drive wheel (4) comprises a rubber wheel (18) with interference fit with said reducer casing (1).

6. An electric drive wheel directly driven by a direct current motor as defined in claim 1, characterized in that said supporting seat (2) is supported inside said reducer case (1) by means of a deep groove ball bearing (12), the inner ring of said deep groove ball bearing (12) being mounted on said supporting seat (2).

7. An electric drive wheel directly driven by a direct current motor according to claim 1, characterised in that said support base (2) is provided at one end with a mounting base (13), said mounting base (13) being intended to be coupled to an external frame.

8. An electric drive wheel directly driven by a direct current motor as claimed in claim 7, characterized in that said mounting base (13) is "L" shaped.

9. An electric drive wheel directly driven by a direct current motor as claimed in claim 1, characterized in that a skeleton oil seal (14) is provided on said support base (2), and the outside of said skeleton oil seal (14) is mounted on the inner hole (15) of said reducer case (1).

10. An electric drive wheel directly driven by a direct current motor according to claim 1, characterised in that a reducer cover (16) is provided on one side of said reducer case (1), and a washer (17) is provided between said reducer cover (16) and said reducer case (1).