Search

CN-224233482-U - Motor transitional connection structure

CN224233482UCN 224233482 UCN224233482 UCN 224233482UCN-224233482-U

Abstract

The utility model provides a motor transitional connection structure which comprises a gear motor, a shaft sleeve, a rotating shaft and a steering gear, wherein the shaft sleeve is used for being fixed on a driving assembly of a carrier, the gear motor is fixed at the upper end of the shaft sleeve, the upper end of the rotating shaft is inserted into the lower end of the shaft sleeve and is in rotating connection with the shaft sleeve, the steering gear is coaxially sleeved and fixed at the lower end of the rotating shaft, the motor transitional connection structure further comprises a transmission sleeve which is rotationally arranged at the inner side of the upper end of the shaft sleeve, the lower end of the transmission sleeve is in circumferential limit and transmission connection with the upper end of the rotating shaft, an output shaft of the gear motor is axially inserted into the upper end of the transmission sleeve, a limit key is embedded on the outer side wall of the output shaft, a limit groove which axially penetrates through the transmission sleeve is arranged on the inner side wall of the transmission sleeve, and the outer end part of the limit key is in engagement with the limit groove and circumferential limit, and the steering mechanisms in different types of the carrier can be matched with the same type of gear motor under the matching effect of the transmission sleeve and the output shaft.

Inventors

  • QIAO YINAN
  • SHAN YIXUE
  • Mang Jinwu

Assignees

  • 宁波力达物流设备有限公司

Dates

Publication Date
20260512
Application Date
20250410

Claims (6)

  1. 1. The motor transitional connection structure comprises a speed reducing motor (1), a shaft sleeve (2), a rotating shaft (3) and a steering gear (4), wherein the shaft sleeve (2) is used for being fixed on a driving assembly of a carrier, the speed reducing motor (1) is fixed at the upper end of the shaft sleeve (2), the upper end of the rotating shaft (3) is inserted into the lower end of the shaft sleeve (2) and is rotationally connected with the shaft sleeve (2), the steering gear (4) is coaxially sleeved and fixed at the lower end of the rotating shaft (3), the steering gear (4) is in transmission connection with a steering mechanism in the carrier, the motor transitional connection structure is characterized by further comprising a transmission sleeve (5), the transmission sleeve (5) is rotationally arranged at the inner side of the upper end of the shaft sleeve (2), the lower end of the transmission sleeve (5) is circumferentially limited and is in transmission connection with the upper end of the rotating shaft (3), an output shaft (11) of the speed reducing motor (1) is axially inserted into the upper end of the transmission sleeve (5), an outer side wall (11) is coaxially sleeved and fixed at the lower end of the rotating shaft (3), and a limit key (51) is axially embedded in the limit groove (51) and is axially embedded at the limit groove (51).
  2. 2. The motor transitional coupling structure according to claim 1, wherein a limiting block (31) is arranged at the upper end of the rotating shaft (3), a pair of open slots (52) are arranged on the side wall of the lower end of the transmission sleeve (5), the limiting block (31) is inserted into the lower end of the transmission sleeve (5), and two ends of the limiting block (31) are respectively embedded into one of the open slots (52).
  3. 3. The transitional connecting structure of a motor according to claim 2, wherein two bearings (6) which are distributed at intervals along the axial direction of the rotating shaft (3) are embedded in the inner side of the lower end of the shaft sleeve (2), outer rings on the two bearings (6) are tightly matched with the inner side wall of the shaft sleeve (2), and the upper end of the rotating shaft (3) is inserted into inner rings on the two bearings (6) and is tightly matched with the inner rings.
  4. 4. The motor transitional coupling structure according to any one of claims 1 to 3, characterized in that a groove (21) is formed in the upper end of the shaft sleeve (2), an annular boss (13) is arranged on the lower end of the gear motor (1), and the annular boss (13) is embedded in the groove (21) and is horizontally limited with the groove (21).
  5. 5. The transitional connection structure of a motor according to claim 4, wherein the gear motor (1) is fixed with the upper end of the shaft sleeve (2) through a plurality of first bolts which are circumferentially distributed at intervals.
  6. 6. The motor transitional coupling structure according to claim 1, 2, 3 or 5, characterized in that an annular flange (22) is arranged on the peripheral wall of the shaft sleeve (2), a plurality of fixing holes (23) distributed at intervals in the circumferential direction are arranged on the annular flange (22), and the shaft sleeve (2) is fixed on a driving assembly of the carrier through a second bolt penetrating through the fixing holes (23).

Description

Motor transitional connection structure Technical Field The utility model relates to the technical field of cargo conveyers, in particular to a motor transitional connection structure. Background The cargo handling vehicle is a handling device for carrying cargoes, and at present, when producing the cargo handling vehicle of different models, the model of gear motor in the steering mechanism that is applied to in the cargo handling vehicle also needs to change thereupon, and the difference point of different gear motor mainly lies in the length difference of output shaft to lead to the gear motor that is applied to in the cargo handling vehicle of different models can't realize the universalization, exist gear motor development and manufacturing cost's shortcoming promptly. Disclosure of utility model The utility model aims to solve the technical problem of providing a motor transitional connection structure which can enable steering mechanisms in different types of cargo trucks to be matched with the same type of gear motors under the matching action of a transmission sleeve and an output shaft. The utility model provides a motor transitional connection structure which comprises a gear motor, a shaft sleeve, a rotating shaft and a steering gear, wherein the shaft sleeve is used for being fixed on a driving assembly of a carrier, the gear motor is fixed at the upper end of the shaft sleeve, the upper end of the rotating shaft is inserted into the lower end of the shaft sleeve and is rotationally connected with the shaft sleeve, the steering gear is coaxially sleeved and fixed at the lower end of the rotating shaft, the steering gear is in transmission connection with a steering mechanism in the carrier, the motor transitional connection structure further comprises a transmission sleeve, the transmission sleeve is rotationally arranged at the inner side of the upper end of the shaft sleeve, the lower end of the transmission sleeve is circumferentially limited and in transmission connection with the upper end of the rotating shaft, an output shaft of the gear motor is axially inserted into the upper end of the transmission sleeve, a limit key is embedded on the outer side wall of the output shaft, a limit groove axially penetrates through the transmission sleeve is arranged on the inner side wall of the transmission sleeve, and the outer end of the limit key is embedded with the limit groove and circumferentially limited. According to the utility model, after the structure is adopted, the limiting groove which axially penetrates through the transmission sleeve is formed in the inner side wall of the transmission sleeve, and the output shaft of the gear motor is axially inserted into the upper end of the transmission sleeve and is in circumferential limiting and transmission connection with the transmission sleeve through the matching and inserting of the limiting key and the limiting groove, so that the gear motors with different output shaft lengths can be in transmission connection with the transmission sleeve and drive the rotating shaft to rotate, namely, steering mechanisms in different types of cargo trucks are matched with the same type of gear motors under the matching action of the transmission sleeve and the output shaft, and the gear motors can achieve the purpose of being universal, namely, the development and production cost of the gear motors can be reduced. In one possible implementation mode, the upper end of the rotating shaft is provided with a limiting block, the side wall of the lower end of the transmission sleeve is provided with a pair of open slots, the limiting block is inserted into the lower end of the transmission sleeve, two ends of the limiting block are respectively embedded with one of the open slots, after the limiting block is matched and inserted with the lower end of the transmission sleeve, two ends of the limiting block can be respectively embedded with one of the open slots, so that the axial limiting of the rotating shaft and the transmission sleeve can be realized, and the upper end of the rotating shaft can be reliably connected with the lower end of the transmission sleeve in a transmission way. In one possible implementation mode, the inner side of the lower end of the shaft sleeve is embedded with two bearings which are distributed at intervals along the axial direction of the shaft sleeve, the outer rings on the two bearings are tightly matched with the inner side wall of the shaft sleeve, the upper end of the shaft sleeve is inserted into the inner rings on the two bearings and is tightly matched with the inner rings, by adopting the structure, the shaft sleeve can be reliably connected with the lower end of the shaft sleeve in a rotating way under the action of the two bearings, and the coaxiality of the shaft sleeve and the shaft sleeve can be reliably ensured due to the action of the two bearings. In one possible implementation mode, the upper end of the shaft