CN214305096U

CN214305096U - Double-speed-increasing gear box for high-speed rail head turnover mechanism

Info

Publication number: CN214305096U
Application number: CN202023035432.6U
Authority: CN
Inventors: 周正祥
Original assignee: Jiangsu Tailong Decelerator Machinery Co Ltd
Current assignee: Jiangsu Tailong Decelerator Machinery Co Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-28
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a speed reducer field provides high-speed railway locomotive tilting mechanism is with two speed-increasing gear boxes. Two groups of gear pairs are arranged between the input shaft and the output shaft and are switched by a shifting fork and an outer gear ring, so that output with two speed ratios is formed. Meanwhile, the tail end of the output shaft is connected with a linkage shaft, two ends of the linkage shaft extend out and are connected with adjacent speed reducers through flange plates to form linkage of the plurality of speed reducers, and the requirement of turning the locomotive is well met.

Description

Double-speed-increasing gear box for high-speed rail head turnover mechanism

Technical Field

The utility model relates to a speed reducer field, concretely relates to high-speed railway locomotive tilting mechanism is with two speed-increasing gear boxes.

Background

High-speed rail locomotives require regular maintenance and upkeep. When the bottom of the locomotive is maintained, the locomotive needs to be turned over by the turning mechanism. Because the locomotive is heavy and bulky, tilting mechanism needs many speed reducers linkage drive simultaneously. When many speed reducers drive turning device, because reasons such as control accuracy, hardly accomplish completely synchronous, the speed reducer difference can not lead to the upset system operation unstability, causes the incident.

Disclosure of Invention

For solving the problem that many speed reducers of locomotive turning device move asynchronously among the prior art, the utility model aims to provide a high-speed railway locomotive is two speed-increasing gear boxes for tilting mechanism.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the double-speed-increasing gear box for the high-speed rail head turnover mechanism comprises a box body, wherein the box body consists of an upper box body, a middle box body and a lower box body, an output shaft is supported between the upper box body and the middle box body through a bearing, and an input shaft is supported between the middle box body and the lower box body through a bearing; a linkage shaft is supported between the middle box body and the lower box body through a bearing, the linkage shaft is horizontally arranged and vertical to the input shaft, and the linkage shaft and the input shaft are driven by a pair of bevel gears; two ends of the linkage shaft extend out of the box body, and two ends of the linkage shaft are respectively provided with a connecting flange.

Furthermore, a shifting fork groove is formed in the outer circular surface of the inner gear ring and connected with a shifting fork mechanism.

Further, the shifting fork mechanism comprises a handle, a rotating shaft and a shifting fork, the rotating shaft is rotatably supported in the box body, the shifting fork is located inside the box body, the head of the shifting fork is connected with the shifting fork groove, the tail of the shifting fork is fixedly connected with the extending end of the rotating shaft, the handle is located outside the box body, and one end of the handle is fixedly connected with the rotating shaft.

Still further, an encoder is connected to the input shaft.

After taking above technical scheme, the beneficial effects of the utility model are that: two groups of gear pairs are arranged between the input shaft and the output shaft and are switched by a shifting fork and an outer gear ring, so that output with two speed ratios is formed. Meanwhile, the tail end of the output shaft is connected with a linkage shaft, two ends of the linkage shaft extend out and are connected with adjacent speed reducers through flange plates to form linkage of the plurality of speed reducers, and the requirement of turning the locomotive is well met.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic diagram of the transmission of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:

as shown in the figure, the double-speed-increasing gear box for the high-speed rail head turnover mechanism comprises a box body, an input shaft 1, an output shaft 2, a linkage shaft 3 and a multi-gear pair. The box body consists of an upper box body 4, a middle box body 5 and a lower box body 6, the lower box body 6 is internally divided into an input box body 61 and a linkage box body 62 by a longitudinal wall 7, an output shaft 2 is supported by a bearing between the upper box body 4 and the middle box body 5, an input shaft 1 is supported by a bearing between the middle box body 5 and the lower box body 6, the input shaft 1 is arranged in the input box body 61 and supported between the side wall of the lower box body and the longitudinal wall 7, and the tail end of the input shaft 1 extends into the linkage box body 62. Tilting mechanism is connected to output shaft 2 one end, and encoder 8 is installed to the other end of output shaft 2, the accurate control of being convenient for. The linkage shaft 3 is supported in the linkage box body 62 by a pair of bearings, the input shaft 1, the output shaft 2 and the linkage shaft 3 are horizontal shafts, the input shaft 1 is parallel to the output shaft 2, and the linkage shaft 3 is perpendicular to the input shaft 1. Two output gears 9 with different tooth numbers are fixedly installed on the output shaft 2, an input gear 10 which is correspondingly meshed with the two output gears 9 is rotatably supported on the input shaft 1 by a bearing, an outer gear ring 11 is fixedly installed on the input shaft 1, the outer gear ring 11 is fixedly installed on the input shaft 1 by a key and is positioned between the two input gears 10, one side of each of the two input gears 10, which faces the outer gear ring 11, is respectively provided with a convex linkage outer tooth 12 which is the same as the outer gear ring, the outer gear ring 11 is sleeved with an inner gear ring 13, and the inner gear ring 13 slides on the outer gear ring 11 and is simultaneously meshed with the outer gear ring 11 and the linkage outer tooth 12 of one of the input gears; one end of the input shaft 1 extending into the linkage box and the linkage shaft 3 are driven by a pair of bevel gear pairs 14. Two ends of the linkage shaft 3 extend out of the box body, and two ends of the linkage shaft 3 are respectively provided with a connecting flange 15. The connecting flange 15 is connected with the linkage shaft flange of the adjacent speed reducer to form linkage.

In order to adjust the output of the output shaft 2, a shifting fork mechanism is connected to the ring gear 13. An annular shifting fork groove is formed in the outer circular surface of the inner gear ring 13, the shifting fork mechanism comprises a handle 16, a rotating shaft 17 and a shifting fork 18, the rotating shaft 17 is rotatably supported in the box body, the shifting fork 18 is located inside the box body, the head of the shifting fork 18 is connected with the shifting fork groove, the tail of the shifting fork 18 is fixedly connected with the extending end of the rotating shaft 17, the handle 16 is located outside the box body, and one end of the handle 16 is fixedly connected with the rotating shaft 17. When the handle 16 is pulled left and right, the rotating shaft 17 drives the shifting fork 18 to pull the inner gear ring, and connection switching between the two gear pairs is completed.

Claims

1. The double-speed-increasing gear box for the high-speed rail head turnover mechanism comprises a box body, wherein the box body consists of an upper box body, a middle box body and a lower box body, an output shaft is supported between the upper box body and the middle box body through a bearing, and an input shaft is supported between the middle box body and the lower box body through a bearing; a linkage shaft is supported between the middle box body and the lower box body through a bearing, the linkage shaft is horizontally arranged and vertical to the input shaft, and the linkage shaft and the input shaft are driven by a pair of bevel gears; two ends of the linkage shaft extend out of the box body, and two ends of the linkage shaft are respectively provided with a connecting flange.

2. The double-speed-increasing gear box for the high-speed rail locomotive turnover mechanism according to claim 1, wherein a shifting fork groove is formed in the outer circumferential surface of the inner gear ring, and a shifting fork mechanism is connected to the shifting fork groove.

3. The double-speed-increasing gearbox for the high-speed rail head turnover mechanism according to claim 2, wherein the shifting fork mechanism comprises a handle, a rotating shaft and a shifting fork, the rotating shaft is rotatably supported on the box body, the shifting fork is located inside the box body, the head of the shifting fork is connected with the shifting fork groove, the tail of the shifting fork is fixedly connected with the extending end of the rotating shaft, the handle is located outside the box body, and one end of the handle is fixedly connected with the rotating shaft.

4. The double step-up gearbox for a high-speed rail head turnover mechanism according to claim 1, wherein an encoder is connected to the input shaft.