CN202481929U - Planetary driving mechanism of rubber-tired crane - Google Patents

Abstract

The utility model discloses a planetary driving mechanism of a tire type crane, which comprises: a motor, a first-stage planet, a transmission shaft, a second-stage planet and a transmission hub. The first stage planet is driven by the motor, the first end of the transmission shaft is connected to the first stage planet, the second stage planet is connected to the second end of the transmission shaft, the second stage planet is driven by the first stage planet through the transmission shaft, and the transmission hub Connected to the second stage planets, the transmission hub is driven by the second stage planets. The planetary drive mechanism of the tire-type crane of the utility model adopts motor + planetary reducer + tire-type drive. The motor is directly connected with the reducer tire. The reducer is built in the steel ring, and the weight of the crane is directly transmitted to the tires through the reducer. The structure of the crane is simple, the weight is light, and the floor space of the whole crane is greatly reduced.

Description

Planetary Drive Mechanism of Rubber-tyred Crane

technical field

The utility model relates to the field of cranes, in particular to a planetary drive mechanism of a tire-type crane.

Background technique

Most of the existing wheeled cranes are driven by a chain drive, that is, motor + coupling + reducer + sprocket drive. The double-tire structure is mostly driven by motor + drive axle. Its structure is relatively complicated, which increases the weight of the mechanism and the manufacturing cost; in addition, the crane occupies a relatively large area.

In order to reduce the weight of the crane mechanism and reduce the manufacturing cost of the crane, it is necessary to improve the driving mode of the crane.

Utility model content

The utility model aims to provide a planetary drive mechanism for a tire-type crane.

According to an embodiment of the present invention, a planetary drive mechanism of a rubber-tyred crane is proposed, including: a motor, a first-stage planet, a transmission shaft, a second-stage planet, and a transmission hub.

The first stage planet is driven by the motor, the first end of the transmission shaft is connected to the first stage planet, the second stage planet is connected to the second end of the transmission shaft, the second stage planet is driven by the first stage planet through the transmission shaft, and the transmission hub Connected to the second stage planets, the transmission hub is driven by the second stage planets.

In one embodiment, the electric motor is connected to and drives the first stage planets through an input shaft.

In one embodiment, the first stage planets are mounted within a support shaft which is fixedly connected to the support arm. The motor is mounted on the support shaft.

In one embodiment, the drive hub is rotatably mounted on a support shaft, and the drive shaft extends from the support shaft to the drive hub. The drive hub is fixedly connected to a steel rim on which tires are mounted.

According to an embodiment of the present invention, a planetary drive mechanism of a rubber-tyred crane is proposed, including: a support arm and a support shaft fixedly connected to the support arm, a motor, a first-stage planet, a second-stage planet, a transmission hub, a steel lock up.

The motor is installed on the support shaft, the first stage planets are connected to the motor through the input shaft and driven by the motor, the second stage planets are connected to the first stage planets through the transmission shaft and driven by the first stage planets through the transmission shaft, and the transmission hub is connected to the The second-stage planet, the transmission hub is driven by the second-stage planet, the transmission hub is rotatably installed on the support shaft, the steel ring is fixedly connected to the transmission hub, and the tire is installed on the steel ring.

The planetary drive mechanism of the tire-type crane of the utility model adopts motor + planetary reducer + tire-type drive. The motor is directly connected with the reducer tire. The reducer is built in the steel ring, and the weight of the crane is directly transmitted to the tires through the reducer. The structure of the crane is simple, the weight is light, and the floor space of the whole crane is greatly reduced.

Description of drawings

The above-mentioned and other features, properties and advantages of the present utility model will become more apparent through the following description in conjunction with the accompanying drawings and embodiments. In the accompanying drawings, the same reference numerals always represent the same features, wherein:

Fig. 1 discloses an external structure diagram of a planetary drive mechanism of a rubber-tyred crane according to an embodiment of the present invention.

Fig. 2 discloses a transmission principle diagram of a planetary drive mechanism of a tire-type crane according to an embodiment of the present invention.

Fig. 3 discloses a structural diagram of a planetary drive mechanism of a rubber-tyred crane according to an embodiment of the present invention.

Detailed ways

The utility model proposes a planetary drive mechanism of a tire-type crane. Referring to FIGS. 1-3 , the planetary drive mechanism of a tire-type crane according to an embodiment of the utility model is disclosed.

Referring first to FIG. 1 , FIG. 1 discloses the external structure of a planetary drive mechanism of a rubber-tyred crane according to an embodiment. As shown in FIG. 1 , the visible part of the external structure includes a motor 102 , a support arm 109 , a tire 111 and a planetary reducer 101 . The planetary reducer 101 is composed of several components.

Referring to FIG. 2 , FIG. 2 discloses a transmission schematic diagram of a planetary drive mechanism of a tire-type crane according to an embodiment of the present invention. As shown in FIG. 2 , the planetary drive mechanism 100 of the rubber-tyred crane includes: a motor 102 , a first-stage planet 104 , a transmission shaft 106 , a second-stage planet 108 and a transmission hub 110 .

The first stage planets 104 are driven by the motor 102 . In one embodiment, the motor 102 is coupled to and drives the first stage planets 104 via an input shaft. A first end of the drive shaft 106 is connected to the first stage planets 104 . The second stage planets 108 are connected to the second end of the drive shaft 106 , the second stage planets 108 are driven by the first stage planets 104 through the drive shaft 106 . In one embodiment, the first stage planets 104 are mounted within a support shaft 103 which is fixedly connected to a support arm. The motor 102 is also mounted on the support shaft 103 . A drive hub 110 is connected to the second stage planets 108 by which the drive hub 110 is driven. In the embodiment shown in FIG. 2 , the drive hub 110 is rotatably mounted on the support shaft 103 and the drive shaft 104 extends from the support shaft 103 to the drive hub 110 . In one embodiment, the drive hub 110 is fixedly connected to a steel rim on which a tire is mounted. Among them, the first-stage planet 104 , the transmission shaft 106 , the second-stage planet 108 , the transmission hub 110 and the support shaft 103 constitute a so-called planetary reducer 101 .

Referring to FIG. 3 , it discloses a structural diagram of a specific realization of the planetary drive mechanism of the tire-type crane according to the present invention. As shown in Figure 3, the planetary drive mechanism 100 of the rubber-tyred crane includes: a support arm 109 and a support shaft 103 fixedly connected to the support arm 109, a motor 102, a first-stage planet 104, a second-stage planet 108, and a transmission hub 110 , steel ring 107.

The motor 102 is mounted on a support shaft 103 . The first stage planets 104 are connected to and driven by the motor 102 through an input shaft 105 . The second stage planets 108 are connected to and driven by the first stage planets 104 via drive shafts 106 . The transmission hub 110 is connected to the second-stage planets 108 , the transmission hub 110 is driven by the second-stage planets 108 , and the transmission hub 110 is rotatably mounted on the support shaft 103 . The steel ring 107 is fixedly connected to the transmission hub 110, and the tire 111 is installed on the steel ring 107. Among them, the first-stage planet 104 , the transmission shaft 106 , the second-stage planet 108 , the transmission hub 110 and the support shaft 103 constitute a so-called planetary reducer 101 .

The planetary drive mechanism of the tire-type crane of the utility model adopts motor + planetary reducer + tire-type drive. The motor is directly connected with the reducer tire. The reducer is built in the steel ring, and the weight of the crane is directly transmitted to the tires through the reducer. The structure of the crane is simple, the weight is light, and the floor space of the whole crane is greatly reduced.

The above-mentioned embodiment is provided to those who are familiar with the field to realize or use the utility model, and those who are familiar with the art can make various modifications or changes to the above-mentioned embodiment without departing from the utility model idea of the present utility model, so the present invention The protection scope of the utility model is not limited by the above-mentioned embodiments, but should be in accordance with the maximum scope of the innovative features mentioned in the claims.

Claims (7)

1. A planetary drive mechanism of a rubber-tyred crane, characterized in that it comprises: motor; The first-stage planet, the first-stage planet is driven by a motor; a drive shaft, the first end of which is connected to the first stage planets; Second-stage planets, the second-stage planets are connected to the second end of the transmission shaft, and the second-stage planets are driven by the first-stage planets through the transmission shaft; The drive hub, connected to the second stage planets, the drive hub is driven by the second stage planets. 2. The planetary drive mechanism of the rubber-tyred crane according to claim 1, wherein the motor is connected to the first-stage planet through an input shaft and drives the first-stage planet. 3. The planetary drive mechanism of the rubber-tyred crane according to claim 1, wherein the first stage planets are installed in a support shaft fixedly connected to the support arm. 4. The planetary drive mechanism of the rubber-tyred crane according to claim 3, wherein the motor is mounted on the support shaft. 5. The planetary drive mechanism of a rubber-tyred crane according to claim 1, wherein the transmission hub is rotatably mounted on a support shaft, and the transmission shaft extends from the support shaft to the transmission hub. 6 . The planetary drive mechanism of the rubber-tyred crane according to claim 1 , wherein the transmission hub is fixedly connected to a steel ring on which tires are installed. 7 . 7. A planetary drive mechanism of a rubber-tyred crane, characterized in that it comprises a support arm and a support shaft fixedly connected to the support arm; a motor mounted on the support shaft; The first-stage planets, the first-stage planets are connected to and driven by the motor through the input shaft; The second stage planets, the second stage planets are connected to the first stage planets through the drive shaft and driven by the first stage planets through the drive shaft; The transmission hub, connected to the second-stage planets, the transmission hub is driven by the second-stage planets, and the transmission hub is rotatably mounted on the support shaft; The steel ring is fixedly connected to the transmission hub, and the tire is installed on the steel ring.

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