Mining planetary reducer

Abstract

A mining planetary reducer relates to the technical field of reducer devices and comprises a shell, a connecting shaft is arranged in the shell, and the top end of the connecting shaft is matched and connected with the top of a first gear ring through a first-stage planet carrier and a first-stage planet wheel. The middle upper end of the connecting shaft is matched with a second-stage sun gear and a second-stage planet gear through a second-stage planet carrier to be connected with the bottom of the first gear ring in a matched mode, a connecting sleeve is installed at the top of the connecting shaft, the top of the connecting sleeve is matched with a third-stage sun gear and a third-stage planet gear through a third-stage planet carrier to be connected with the second gear ring in a matched mode, and the third-stage planet gear is connected with the top of the output shaft in a matched mode; and the middle upper part of the output shaft is matched and connected with the fourth-stage sun gear. The four-stage speed reducer structure design is adopted, speed reducing structures are arranged at the two ends respectively, and the length of the output shaft is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of reducer devices, in particular to a planetary reducer for mining. Background Art

[0002] The design of planetary reducer generally adopts a two-stage or three-stage structure. The reduction structure of the reducer is on the same side, which makes the output end of the reducer longer, resulting in the output end of the whole equipment being extended accordingly. Utility Model Content

[0003] The utility model provides a planetary reducer for mining.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A planetary reducer for mining comprises a housing, in which a connecting shaft is arranged, the top end of the connecting shaft is connected to the top of the first ring gear through a first-stage planetary carrier, a first-stage planetary gear, and the middle and upper end of the connecting shaft is connected to the bottom of the first ring gear through a second-stage planetary carrier, a second-stage sun gear and a second-stage planetary gear, a connecting sleeve is installed on the top of the connecting shaft, the top of the connecting sleeve is connected to the second ring gear through a third-stage planetary carrier, a third-stage sun gear and a third-stage planetary gear, the third-stage planetary gear is connected to the top of the output shaft, and the middle and upper part of the output shaft is connected to the fourth-stage sun gear.

[0006] A further preferred solution of the present invention is that the first gear ring is installed at the top end of the interior of the shell, and the second gear ring is installed at the middle and lower end of the interior of the shell.

[0007] The utility model has the following benefits:

[0008] The utility model adopts a four-stage speed reducer structural design, places the speed reduction structures at both ends, and reduces the length of the output shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0010] Figure 2 This is a schematic diagram of the AA cross-sectional structure of the present utility model;

[0011] In the figure: 1 housing, 2 connecting shaft, 3 first ring gear, 4 first-stage planet carrier, 5 first-stage planet gear, 6 second-stage planet carrier, 7 second-stage sun gear, 8 second-stage planet gear, 9 connecting sleeve, 10 third-stage planet carrier, 11 third-stage planet gear, 12 output shaft, 13 second ring gear, 14 fourth-stage sun gear. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0013] according to Figure 1-2 As shown, a planetary reducer for mining includes a housing 1, a connecting shaft 2 is provided in the housing 1, the top of the connecting shaft 2 is connected to the top of the first ring gear 3 through the first-stage planetary carrier 4 and the first-stage planetary gear 5, the middle and upper end of the connecting shaft 2 is connected to the bottom of the first ring gear 3 through the second-stage planetary carrier 6 and the second-stage sun gear 7 and the second-stage planetary gear 8, a connecting sleeve 9 is installed on the top of the connecting shaft 2, the top of the connecting sleeve 9 is connected to the second ring gear 13 through the third-stage planetary carrier 10 and the third-stage sun gear and the third-stage planetary gear 11, the third-stage planetary gear 11 is connected to the top of the output shaft 12, and the middle and upper part of the output shaft 12 is connected to the fourth-stage sun gear 14.

[0014] The first ring gear 3 is installed at the top end of the interior of the housing 1 , and the first ring gear 3 is installed at the middle and lower end of the interior of the housing 1 .

[0015] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A planetary reducer for mining, characterized by: The invention comprises a housing (1), wherein a connecting shaft (2) is arranged in the housing (1), the top end of the connecting shaft (2) is connected to the top of the first gear ring (3) through a first-stage planetary carrier (4) in cooperation with a first-stage planetary gear (5), the middle and upper end of the connecting shaft (2) is connected to the bottom of the first gear ring (3) through a second-stage planetary carrier (6) in cooperation with a second-stage sun gear (7) and a second-stage planetary gear (8), a connecting sleeve (9) is installed on the top of the connecting shaft (2), the top of the connecting sleeve (9) is connected to the second gear ring (13) through a third-stage planetary carrier (10) in cooperation with a third-stage sun gear and a third-stage planetary gear (11), the third-stage planetary gear (11) is connected to the top of an output shaft (12), and the middle and upper part of the output shaft (12) is connected to a fourth-stage sun gear (14).

2. A planetary reducer for mining according to claim 1, characterized in that: The first gear ring (3) is installed at the top end of the interior of the housing (1), and the first gear ring (3) is installed at the middle and lower end of the interior of the housing (1).

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