CN-121993576-A - Sprocket, chain drive assembly and drive system

CN121993576ACN 121993576 ACN121993576 ACN 121993576ACN-121993576-A

Abstract

The invention relates to the technical field of chain transmission, in particular to a chain wheel, a chain transmission assembly and a driving system. The outer periphery of the chain wheel is provided with a first meshing tooth group and a second meshing tooth group which are arranged at intervals along the axial direction of the chain wheel, wherein the first meshing tooth group is used for meshing with an inner chain plate of the chain, and the second meshing tooth group is used for meshing with an outer chain plate at one side of the chain. The chain wheel is applied to a chain transmission assembly in a driving system, can improve transmission stability, can optimize a structure, and further reduces the structure weight of the chain wheel, so that operation energy consumption can be reduced.

Inventors

WANG SHENG
XUAN CHENG
QIU DEFANG
LV JIANDONG
NI ZHELONG
WANG XI

Assignees

杭州自强链传动有限公司

Dates

Publication Date: 20260508
Application Date: 20241108

Claims (10)

1. A sprocket, characterized in that: The outer periphery of the chain wheel is provided with a first meshing tooth group and a second meshing tooth group, and the first meshing tooth group and the second meshing tooth group are arranged at intervals along the axial direction of the chain wheel; The first meshing tooth group is used for meshing with an inner chain plate of a chain, and the second meshing tooth group is used for meshing with an outer chain plate on one side of the chain.
2. The sprocket as set forth in claim 1, wherein: the chain wheel comprises two second meshing tooth groups which are distributed on two sides of the first meshing tooth group along the axial direction of the chain wheel; The two groups of second meshing teeth are respectively and correspondingly meshed with the outer chain plate on one side of the chain.
3. The sprocket as set forth in claim 1, wherein: The sprocket comprises a main body, wherein the first meshing tooth group is arranged on the periphery of the main body, the meshing disk is detachably connected with the main body, and the second meshing tooth group is arranged on the periphery of the meshing disk.
4. A sprocket according to claim 3, wherein: the body is provided with a third lightening hole.
5. The sprocket as set forth in any one of claims 1-4, wherein: the first set of teeth includes a plurality of first teeth disposed about an axis of the sprocket and the second set of teeth includes a plurality of second teeth disposed about the axis of the sprocket.
6. The sprocket as set forth in claim 5, wherein: And an outer chain plate matching part for matching with the outer chain plate is arranged between any two adjacent second meshing teeth around the axis direction of the chain wheel.
7. The sprocket as set forth in claim 6, wherein: the outer chain plate matching part comprises a matching plane matched with the bottom surface of the outer chain plate and arc-shaped matching surfaces arranged at two ends of the matching plane around the axis direction of the chain wheel.
8. A chain drive assembly, characterized by: the chain drive assembly comprising a chain and a sprocket as set forth in any one of claims 1-7; The first meshing tooth group is meshed with an inner chain plate of the chain, and the second meshing tooth group is meshed with an outer chain plate on one side of the chain.
9. The chain drive assembly as set forth in claim 8, wherein: The inner chain plate is provided with a first lightening hole, and the outer chain plate is provided with a second lightening hole.
10. A drive system characterized by: The drive system comprising a power unit as claimed in claim 8 or 9; the power unit is in transmission connection with the chain wheel.

Description

Sprocket, chain drive assembly and drive system Technical Field The invention relates to the technical field of chain transmission, in particular to a chain wheel, a chain transmission assembly and a driving system. Background With the development of social economy, the equipment has more and more large-scale development, and the distance for transmitting power and conveying materials is longer and longer. The chain drive system has significant advantages over gear and belt drives. As the demand for large-scale, long-distance transmission or transportation of equipment increases, chains in heavy equipment are longer and heavier, and energy consumption of the chains themselves is also higher and higher, so that higher demands are placed on chain transmission systems in heavy equipment. Disclosure of Invention The invention aims to provide a chain wheel, a chain transmission assembly and a driving system, which can improve the stability of transmission, optimize the structure and further reduce the self structural weight, thereby reducing the running energy consumption. Embodiments of the invention may be implemented as follows: in a first aspect, the present invention provides a sprocket, wherein a first set of teeth and a second set of teeth are disposed on an outer periphery of the sprocket, the first set of teeth and the second set of teeth being spaced apart along an axial direction of the sprocket; the first meshing tooth group is used for meshing with an inner chain plate of the chain, and the second meshing tooth group is used for meshing with an outer chain plate on one side of the chain. In an alternative embodiment, the sprocket comprises two second sets of teeth, which are distributed on both sides of the first set of teeth along the axial direction of the sprocket; wherein, two sets of second meshing teeth respectively correspond to and mesh with the outer link joint of one side of chain. In an alternative embodiment, the sprocket comprises a main body and an engagement disc, the outer periphery of the main body is provided with a first set of engagement teeth, the engagement disc is detachably connected with the main body, and the outer periphery of the engagement disc is provided with a second set of engagement teeth. In an alternative embodiment, the body is provided with a third lightening hole. In an alternative embodiment, the first set of teeth includes a plurality of first teeth disposed about the axial direction of the sprocket and the second set of teeth includes a plurality of second teeth disposed about the axial direction of the sprocket. In an alternative embodiment, an outer link plate engaging portion for engaging with the outer link plate is provided between any adjacent two of the second engaging teeth in the axial direction of the sprocket. In an alternative embodiment, the outer link plate engaging portion includes an engaging plane engaging with the bottom surface of the outer link plate, and arcuate engaging surfaces disposed at both ends of the engaging plane in the axial direction of the sprocket. In a second aspect, the present invention provides a chain drive assembly comprising a chain and a sprocket as described above; The first meshing tooth group is meshed with an inner chain plate of the chain, and the second meshing tooth group is meshed with an outer chain plate on one side of the chain. In an alternative embodiment, the inner link plate is provided with a first lightening hole and the outer link plate is provided with a second lightening hole. In a third aspect, the present invention provides a drive system comprising a power unit and a chain drive assembly as described above; The power unit is connected with the chain wheel in a driving way. The chain wheel, the chain transmission assembly and the driving system provided by the embodiment of the invention have the beneficial effects that: The outer periphery of the chain wheel is provided with a first meshing tooth group and a second meshing tooth group which are arranged at intervals along the axis direction of the chain wheel, wherein the first meshing tooth group is used for meshing with an inner chain plate of a chain, and the second meshing tooth group is used for meshing with an outer chain plate on one side of the chain. The chain wheel is applied to a chain transmission assembly in a driving system, can improve transmission stability, can optimize a structure, and further reduces the structure weight of the chain wheel, so that operation energy consumption can be reduced. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings withou