CN219197948U

CN219197948U - Cycloid gear reducer coupling structure

Info

Publication number: CN219197948U
Application number: CN202223113213.4U
Authority: CN
Inventors: 蒋勇; 桂少安
Original assignee: Changzhou Jiangquan Transmission Technology Co ltd
Current assignee: Changzhou Jiangquan Transmission Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-16
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a cycloid gear reducer coupling structure which comprises a connector shaft sleeve, a hub embedded in the connector shaft sleeve and a damping buffer piece arranged between the connector shaft sleeve and the hub, wherein the connector shaft sleeve is of a cavity structure, convex keys are uniformly arranged on the inner side wall of the connector shaft sleeve, tooth parts are uniformly arranged on the outer side wall of the hub, the tooth parts and the convex keys are arranged in a staggered mode, a cavity is formed between the tooth parts and the convex keys, and the damping buffer piece is arranged in the cavity. The utility model can reduce the vibration transmitted by the speed reducer, and has simple structure and convenient later maintenance.

Description

Cycloid gear reducer coupling structure

Technical Field

The utility model belongs to the technical field of couplings, and particularly relates to a cycloid gear reducer coupling structure.

Background

The cycloidal pin gear speed reducer is a novel transmission device which adopts a planetary transmission principle and adopts cycloidal pin gear meshing, and the whole transmission device of the cycloidal pin gear speed reducer can be divided into three parts: when the cycloidal pin gear speed reducer is installed and used, the input part, the speed reducing part and the output part are required to be used as a coupler, the coupler is a device for connecting two shafts or the shafts and a rotating member to rotate together in the process of transmitting motion and power and not to be separated under normal conditions, and the device is sometimes used as a safety device for preventing the connected machine parts from bearing excessive load so as to play a role of overload protection.

The patent of the utility model in China with the application number of 201921052925.5 discloses a transmission roller of a cycloidal pin gear speed reducer, which comprises a frame, a transmission roller, a coupler, the cycloidal pin gear speed reducer and a motor, wherein a bearing seat and the cycloidal pin gear speed reducer are arranged on the frame, the transmission roller is arranged between the bearing seats, and the coupler and the cycloidal pin gear speed reducer are sequentially arranged between the transmission roller and the motor. The cycloidal pin gear speed reducer has the characteristics of compact structure, small occupied area, safe operation and the like, is more durable, more convenient to maintain and repair compared with an electric roller, overcomes the defects of poor motor heat dissipation condition, easiness in burning loss, damaged using power and the like, and is suitable for various working places with high dust concentration and wet and muddy. The cycloidal pin gear speed reducer and the transmission roller in the scheme are connected through the coupler, but if the speed reducer is not fixed in the working process, or the speed reducer and the fixed part of the base are subjected to resonance on the power frequency, a certain degree of shaking is caused, and the shaking is transmitted to the transmission roller through the coupler.

Therefore, the utility model patent with the application number of 2020224706718 discloses a sliding block coupler with a damping structure, which comprises a first connecting shaft, wherein a rack is arranged on the surface of one end of the first connecting shaft, a first half coupler is sleeved on the surface of the first connecting shaft, a tooth slot is formed in the first half coupler, the rack end of the first connecting shaft is meshed with the tooth slot in the first half coupler, a connecting hole is formed in one end of the first half coupler, one end of the first connecting shaft is in transmission connection with a second connecting shaft, a second half coupler is sleeved on the surface of the second connecting shaft, a connecting hole is formed in the surface of the second half coupler, and the damping mechanism is fixedly mounted in the middle of the first half coupler and the second half coupler. The damping structure that this scheme set up can play a cushioning effect when the shaft coupling appears vibrating in the use, cushions inside atress. But above-mentioned scheme only carries out the shock attenuation through four springs, and shock-absorbing capacity is limited, and the spring both sides in above-mentioned scheme are welded on the shock attenuation dish moreover, and later maintenance dismantles inconveniently.

Disclosure of Invention

In order to solve the problems, the utility model provides a cycloidal gear reducer coupling structure, which comprises a connector shaft sleeve, a hub embedded in the connector shaft sleeve and a damping buffer piece arranged between the connector shaft sleeve and the hub, wherein the connector shaft sleeve is of a cavity structure, convex keys are uniformly arranged on the inner side wall of the connector shaft sleeve, tooth parts are uniformly arranged on the outer side wall of the hub, the tooth parts and the convex keys are arranged in a staggered manner, a cavity is formed between the tooth parts and the convex keys, and the damping buffer piece is arranged in the cavity.

Preferably, the shock absorbing buffer parts are rubber rods, and the number of the shock absorbing buffer parts is matched with that of the chambers.

Preferably, the front end of the connector shaft sleeve is provided with a pressing plate, the rear end of the connector shaft sleeve is provided with a connecting flange, and a rubber ring is further arranged between the connecting flange and the connector shaft sleeve.

Preferably, the center of the hub is provided with a shaft hole, and the shaft hole is provided with a key slot.

Preferably, the connecting flange is provided with a first connecting hole and a second connecting hole, and the first connecting hole and the second connecting hole are arranged in a staggered manner.

The utility model has the advantages that: be equipped with between connector axle sleeve and the wheel hub in this scheme and hold in the palm dry rubber pole, the output shaft of speed reducer passes through the wheel hub and carries out the transmission, and the rubber pole is located between connector axle sleeve and the wheel hub, and a plurality of rubber poles can absorb wheel hub's vibrations, increase shock attenuation effect. Set up a plurality of rubber poles in this scheme, its shock attenuation effect is because prior art, and rubber pole equipment is convenient moreover, and the later maintenance of being convenient for.

Drawings

FIG. 1 is an overall exploded view of the present utility model;

FIG. 2 is a block diagram of a connector sleeve according to the present utility model;

FIG. 3 is a block diagram of a hub in accordance with the present utility model;

FIG. 4 is a block diagram of the hub and connector bushing connection of the present utility model;

FIG. 5 is a side view of the present utility model;

fig. 6 is a cross-sectional view of the present utility model.

In the figure: 1 connector shaft sleeve, 2 wheel hub, 3 shock attenuation bolster, 4 cavity structures, 5 protruding key, 6 tooth portions, 7 cavity, 8 clamp plates, 9 flange, 10 rubber ring, 11 shaft hole, 12 keyway, 13 first connecting hole, 14 second connecting hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. Meanwhile, when an element is referred to as being "fixed" or "disposed" on another element, it may be directly on the other element or intervening elements may be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "fixedly connected to" another element, it can be conventionally connected by welding or bolting or gluing. In summary, it will be understood by those of ordinary skill in the art that the specific meaning of the terms described above in this disclosure is to be understood in a specific sense.

Example 1

As shown in fig. 1, a cycloidal gear reducer coupling structure includes a connector sleeve 1, a hub 2 embedded in the connector sleeve 1, and a damper 3 provided between the connector sleeve 1 and the hub 2. As shown in fig. 2, the connector sleeve 1 has a tubular structure with a T-shaped cross section, a cylindrical cavity structure 4 is provided in the connector sleeve, protruding keys 5 are uniformly provided on the side wall of the cavity structure 4, and adjacent protruding keys 5 enclose an arc structure. As shown in fig. 3, the hub 2 has a gear shape as a whole, and teeth 6 are uniformly provided on the outer side wall of the hub 2. As shown in fig. 4 and 5, the hub 2 is embedded in the cavity structure 4 of the connector sleeve 1, the teeth 6 on the outer side of the hub 2 are staggered with the convex keys 5, the single convex key 5 is located between two adjacent teeth 6, and the convex keys 5 divide the two adjacent teeth 6 into two chambers 7. A shock absorbing buffer 3 is mounted in the chamber 7.

Referring to fig. 1, after the hub 2 is embedded in the cavity structure 4 of the connector sleeve 1, a plurality of shock absorbing buffer members 3 are plugged into corresponding cavities 7, in this embodiment, rubber rods are selected as the shock absorbing buffer members 3, then, an annular pressing plate 8 is installed at the front end of the connector sleeve 1, a connecting flange 9 is installed at the rear end of the rear sleeve of the connector, so that the hub 2 and the rubber rods cannot be separated from the connector sleeve 1, and corresponding first connecting holes 13 are formed in the pressing plate 8 and the connecting method, so that the connection structures such as bolts can lock the connection structures with the connector sleeve 1 conveniently. A rubber ring 10 is further arranged between the connecting flange 9 and the connector shaft sleeve 1, the diameter of the rubber ring 10 is close to the outer diameter of the hub 2, and the rubber ring 10 can buffer the impact of the hub 2 on the connecting flange 9.

As shown in fig. 6, one side of the embodiment is connected with an output shaft of a cycloidal pin gear speed reducer, the other side is connected with a transmission roller or other equipment, the output shaft of the cycloidal pin gear speed reducer extends to a shaft hole 11 in the middle of the hub 2, and a matched key groove 12 is arranged on the shaft hole 11. The other side of the connecting flange 9 is connected with the outer side wall of the transmission roller through bolts.

The principle of this embodiment is: the output shaft of cycloidal pin gear speed reducer drives wheel hub 2 and rotates, and wheel hub 2 drives rubber pole and connector axle sleeve 1 and rotates, and the connector axle drives the driving roller and rotates, and at the during operation, the rubber pole is located between connector axle sleeve 1 and the wheel hub 2, and a plurality of rubber poles can absorb wheel hub 2's vibrations, increase shock attenuation effect. The shock attenuation effect of a plurality of rubber poles that set up in this embodiment is owing to prior art, and rubber pole equipment is convenient moreover, and the later maintenance of being convenient for.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cycloid gear reducer shaft coupling structure is characterized in that: including connector axle sleeve (1), wheel hub (2) in embedding connector axle sleeve (1) and locate shock attenuation bolster (3) between connector axle sleeve (1) and wheel hub (2), inside cavity structure (4) that is of connector axle sleeve (1), evenly be equipped with convex protruding key (5) on the inside wall of connector axle sleeve (1), evenly be equipped with tooth portion (6) on the lateral wall of wheel hub (2), crisscross setting between tooth portion (6) and protruding key (5), be formed with cavity (7) between tooth portion (6) and protruding key (5), in shock attenuation bolster (3) locate cavity (7).

2. The cycloidal gear reducer coupling structure according to claim 1, characterized in that: the damping buffer pieces (3) are rubber rods, and the number of the damping buffer pieces (3) is matched with that of the chambers (7).

3. The cycloidal gear reducer coupling structure according to claim 2, characterized in that: the front end of the connector shaft sleeve (1) is provided with a pressing plate (8), the rear end of the connector shaft sleeve (1) is provided with a connecting flange (9), and a rubber ring (10) is further arranged between the connecting flange (9) and the connector shaft sleeve (1).

4. A cycloidal gear reducer coupling structure according to claim 3 characterized in that: the center of the hub (2) is provided with a shaft hole (11), and a key slot (12) is formed in the shaft hole (11).

5. The cycloidal gear reducer coupling structure according to claim 4, characterized in that: the connecting flange (9) is provided with a first connecting hole (13) and a second connecting hole (14), and the first connecting hole (13) and the second connecting hole (14) are arranged in a staggered mode.