Novel disc spring device for floating installation of rotary speed reducer

Abstract

The utility model discloses a novel disc spring device for floating installation of a rotary speed reducer, which is installed on a flange shell of the rotary speed reducer and comprises an installation plate fixedly connected with the flange shell, a bearing seat is arranged on the installation plate, four guide columns are arranged on the bearing seat in parallel, and the guide columns are arranged on the installation plate. The four guide columns are symmetrically arranged in pairs and locked through nuts, and supporting sleeves are connected to the guide columns in a sliding mode. A guide sleeve is connected into an inner hole in the right end face of the bearing seat through cooperation of a first bearing and a bolt, and a sliding shaft is connected to the inner wall of the right side of the guide sleeve through a bolt. An inner cavity is formed between the guide sleeve and the supporting sleeve, a disc spring assembly is connected to the sliding shaft in a sleeved mode, the problem that the surfaces of the sliding shaft and the bearing are abraded is effectively solved, and meanwhile the fatigue service life of the disc spring assembly is greatly prolonged.

Description

Technical Field

[0001] This utility model relates to the technical field of rotary reducer structure, and in particular to a novel disc spring device for floating installation of rotary reducers. Background Technology

[0002] A rotary reducer, a common type of planetary reducer used to drive a large gear ring (large gear), primarily functions to drive the large gear ring through the meshing of its output pinion. Typically, rotary reducers are fixed to a frame using flange bolts. However, in practice, for some extra-large gear rings, the cylindricity and radial runout errors are often significant due to their large size during manufacturing. Using the traditional fixed-mount method of the rotary reducer frequently results in problems such as difficulty in adjusting the center distance between the output pinion and the large gear ring, poor meshing, and tooth wear during operation, thus greatly reducing the service life of both the rotary reducer and the large gear ring.

[0003] Existing technologies employing disc spring mechanisms suffer from wear on the sliding shaft and bearing inner bore surfaces, as well as rapid fatigue damage to the disc spring assembly, necessitating improvements. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a novel disc spring device for floating installation of rotary reducers in order to overcome the shortcomings of the existing technology.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a novel disc spring device for floating installation of a rotary reducer, which is installed on the flange housing of the rotary reducer, including an installation plate fixedly connected to the flange housing, a bearing seat provided on the installation plate, four guide columns arranged in parallel on the bearing seat, the four guide columns are symmetrically arranged in pairs and locked by nuts, and a support sleeve is slidably connected to the guide column.

[0006] A guide sleeve is connected to the inner hole of the right end face of the bearing housing through the cooperation of a first bearing and a bolt. A sliding shaft is connected to the inner wall of the right side of the guide sleeve through a bolt.

[0007] An inner cavity is formed between the guide sleeve and the support sleeve, and a disc spring assembly is sleeved on the sliding shaft;

[0008] The right end face of the support sleeve is connected to a fixing plate via a second bearing. A through hole for the sliding shaft to extend is provided in the center of the right end face of the support sleeve, the second bearing, and the fixing plate.

[0009] The support sleeve is also provided with a lubricating oil nozzle assembly, and the bearing seat is also equipped with a position sensor;

[0010] By adopting the above technical solution and setting up a position sensor, when the bearing housing, the guide sleeve pushed by the first bearing, and the sliding shaft compress the disc spring assembly to the right, the sensor detects that it is approaching the outer flange of the support sleeve and restricts its movement; when it moves in the opposite direction, it moves away from the outer flange of the support sleeve. In this way, the position signal detected by the sensor allows for monitoring of the compression deformation of the disc spring in the disc spring assembly, controlling the compression of the disc spring within the optimal deformation range for operation. This greatly reduces fatigue damage to the disc spring and improves its service life.

[0011] Furthermore, the left and right ends of the disc spring assembly described in this utility model are respectively limited within the inner cavity by the two inner end faces of the guide sleeve and the support sleeve.

[0012] Furthermore, the inner ring of the first bearing described in this utility model is installed at the left end outer circle connection part of the guide sleeve, and the outer ring of the first bearing is installed at the inner hole of the bearing seat.

[0013] Furthermore, the inner ring of the second bearing described in this utility model is installed at the outer circle connection part of the right end face of the support sleeve, and the outer ring of the second bearing is installed in the inner hole of the fixing plate.

[0014] Furthermore, the lubricating nozzle assembly of this utility model includes lubricating nozzles disposed on the left and right sides of the side end face of the support sleeve;

[0015] By adopting the above technical solution, grease is introduced into the sliding support surface formed between the guide sleeve and the left inner hole of the support sleeve, and the sliding support surface formed between the outer circle of the sliding shaft and the right inner hole of the support sleeve. This design ensures that the grease forms an oil film between the two sliding surfaces, reducing wear on the sliding shaft.

[0016] The beneficial effects of this utility model are as follows: The new disc spring device for floating installation of rotary reducer of this utility model adds a guide sleeve part and fixes the guide sleeve to the sliding shaft by bolts. At the same time, the support sleeve structure is changed so that the second bearing is installed on the support sleeve through the inner ring without contacting the sliding shaft. More importantly, multiple oil nipple lubrication points are added to the support sleeve, and a position sensor is designed on the mounting plate to monitor and adjust the floating (extension) stroke of the disc spring device, which effectively solves the problem of wear on the surface of the sliding shaft and bearing, and greatly improves the fatigue service life of the disc spring assembly. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the installation position of the disc spring device in this utility model.

[0020] The following are the labels in the diagram: 1. Rotary reducer, 2. Mounting plate, 3. Bearing housing, 4. Guide column, 5. Nut, 6. First bearing, 7. Bolt, 8. Guide sleeve, 9. Sliding shaft, 10. Support sleeve, 11. Disc spring assembly, 12. Second bearing, 13. Fixing plate, 14. Position sensor, 15. Lubricating nozzle, 16. Large gear ring. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] like Figure 1 and Figure 2 The invention relates to a novel disc spring device for floating installation of a rotary reducer. The device is installed on the flange housing of the rotary reducer 1 and includes a mounting plate 2 fixedly connected to the flange housing. A bearing seat 3 is provided on the mounting plate 2. Four guide columns 4 are arranged in parallel on the bearing seat 3. The four guide columns 4 are arranged symmetrically in pairs and locked by nuts 5. A support sleeve 10 is slidably connected to the guide columns 4.

[0023] A guide sleeve 8 is connected to the inner hole of the right end face of the bearing housing 3 through the cooperation of the first bearing 6 and the bolt 7. A sliding shaft 9 is connected to the inner wall of the right side of the guide sleeve 8 through the bolt 7.

[0024] An inner cavity is formed between the guide sleeve 8 and the support sleeve 10, and a disc spring assembly 11 is sleeved on the sliding shaft 9;

[0025] The right end face of the support sleeve 10 is connected to the fixing plate 13 via the second bearing 12. The right end face of the support sleeve 10, the second bearing 12, and the center of the fixing plate 13 are provided with a through hole for the sliding shaft 9 to extend out.

[0026] The support sleeve 10 is also equipped with a lubricating nozzle assembly, and the bearing housing 3 is also equipped with a position sensor 14.

[0027] The left and right ends of the disc spring assembly 11 are respectively limited within the inner cavity by the guide sleeve 8 and the two inner end faces of the support sleeve 10.

[0028] The inner ring of the first bearing 6 is installed at the left end of the guide sleeve 8 at the outer circle connection part, and the outer ring of the first bearing 6 is installed at the inner hole of the bearing seat 3.

[0029] The inner ring of the second bearing 12 is installed at the outer circle connection part of the right end face of the support sleeve 10, and the outer ring of the second bearing 12 is installed in the inner hole of the fixing plate 13.

[0030] The lubrication nozzle assembly includes lubrication nozzles 15 disposed on the left and right sides of the side end face of the support sleeve 10;

[0031] Working principle:

[0032] The rotary reducer 1 is fixedly mounted on the frame of the large gear ring 16 by flange bolts. The output pinion of the rotary reducer meshes with the large gear ring to drive the large gear ring to rotate.

[0033] The left sliding support surface of the sliding shaft is formed between the guide sleeve and the left inner hole of the support sleeve, and the right sliding support surface of the sliding shaft is formed between the outer circle of the sliding shaft and the right inner hole of the support sleeve.

[0034] When the rotary reducer is forced to move radially to the right due to the roundness or radial runout error of the large gear ring, it will compress the mounting plate, causing the bearing housing to move. This, in turn, pushes the guide sleeve and the sliding shaft to compress the disc spring assembly, moving along the guide post. This improves problems such as poor meshing of the large and small teeth and tooth wear caused by the roundness error of the large gear ring. Conversely, when the rotary reducer is forced to move radially to the left due to the roundness or radial runout error of the large gear ring, the above components work in reverse.

[0035] The inner bore of the second bearing does not directly contact the sliding shaft, thus avoiding the wear problem caused by the sliding contact between the sliding shaft and the surface of the second bearing in the prior art.

[0036] The lubrication nozzles on the support sleeve are used to inject grease into the sliding support surfaces formed between the guide sleeve and the left inner hole of the support sleeve, and between the outer circle of the sliding shaft and the right inner hole of the support sleeve. This design ensures that the grease forms an oil film between these two sliding surfaces, reducing wear on the sliding shaft.

[0037] More importantly, by incorporating a position sensor, when the bearing housing, via the first bearing, pushes the guide sleeve and sliding shaft to compress the disc spring assembly to the right, the sensor detects its approach to the outer flange of the support sleeve and restricts its movement; conversely, it moves away from the outer flange of the support sleeve when moving in the opposite direction. In this way, the position signal detected by the sensor monitors the compression deformation of the disc spring in the assembly, controlling the spring's compression within the optimal deformation range. This significantly reduces fatigue damage to the disc spring and extends its service life.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A novel disc spring device for floating installation of a rotary reducer, installed on the flange housing of the rotary reducer (1), characterized in that: The system includes a mounting plate (2) fixedly connected to the flange housing, a bearing seat (3) is provided on the mounting plate (2), four guide columns (4) are arranged in parallel on the bearing seat (3), the four guide columns (4) are arranged symmetrically in pairs and locked by nuts (5), and a support sleeve (10) is slidably connected to the guide columns (4). A guide sleeve (8) is connected to the inner hole of the right end face of the bearing seat (3) through the cooperation of the first bearing (6) and the bolt (7). A sliding shaft (9) is connected to the inner wall of the right side of the guide sleeve (8) through the bolt (7). An inner cavity is formed between the guide sleeve (8) and the support sleeve (10), and a disc spring assembly (11) is sleeved on the sliding shaft (9). The right end face of the support sleeve (10) is connected to a fixing plate (13) via a second bearing (12). A through hole for the sliding shaft (9) to extend is provided in the center of the right end face of the support sleeve (10), the second bearing (12), and the fixing plate (13). The support sleeve (10) is also provided with a lubricating oil nozzle assembly, and the bearing seat (3) is also provided with a position sensor (14).

2. The novel disc spring device for floating installation of a rotary reducer as described in claim 1, characterized in that: The left and right ends of the disc spring assembly (11) are respectively limited within the inner cavity by the two inner end faces of the guide sleeve (8) and the support sleeve (10).

3. The novel disc spring device for floating installation of a rotary reducer as described in claim 1, characterized in that: The inner ring of the first bearing (6) is installed at the left end of the guide sleeve (8) at the outer circle connection part, and the outer ring of the first bearing (6) is installed at the inner hole of the bearing seat (3).

4. A novel disc spring device for floating installation of a rotary reducer as described in claim 1, characterized in that: The inner ring of the second bearing (12) is installed at the outer circle connection part of the right end face of the support sleeve (10), and the outer ring of the second bearing (12) is installed in the inner hole of the fixing plate (13).

5. A novel disc spring device for floating installation of a rotary reducer as described in claim 1, characterized in that: The lubricating nozzle assembly includes lubricating nozzles (15) disposed on the left and right sides of the side end face of the support sleeve (10).

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