A shaft gear lubrication type reducer

By setting up a cylinder and telescopic rod in the reducer, and using the lift plate to introduce lubricating oil into the upper side area of ​​the intermediate plate, the dry grinding problem of the initial start-up stage of the reducer is solved, extending the service life of the tooth shape and ensuring lubrication of the worm and worm gear.

CN222717406UActive Publication Date: 2025-04-04HANGZHOU YIDE TRANSMISSION EQUIP CO LTD
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Patent Information

Application Number
CN202421694302.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-17
Publication Date
2025-04-04
Estimated Expiration
2034-07-17

AI Technical Summary

Technical Problem

During the initial startup stage, the reducer cannot maintain sufficient lubrication of the tooth shape at all times, resulting in dry grinding, which accelerates tooth wear and reduces service life.

Method used

A shaft tooth lubrication reducer is designed. By setting a cylinder and a telescopic rod in the box, the lubricating oil in the storage chamber is used to enter the upper area of ​​the intermediate plate along the communication chamber, so that the worm and worm gear are fully lubricated in the initial starting stage.

Benefits of technology

It effectively avoids dry grinding of the reducer during the start stage, extends the service life of the tooth shape, and ensures continuous lubrication of the worm and worm gear.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222717406U_ABST
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Abstract

The utility model discloses a shaft-gear lubricated reducer, comprising a casing, in which a transmission device is arranged, characterized in that a first intermediate casing is arranged in the casing, a storage cavity is arranged on the top of the first intermediate casing, a cylinder sleeve is arranged on the inner end wall of the first intermediate casing, a lifting plate is slidably arranged on the inner side of the cylinder sleeve, a plurality of cylinders are arranged at the bottom of the casing, a telescopic rod is arranged for power connection in the cylinder, the telescopic rod is fixedly connected with the lifting plate, the casing and the storage cavity are filled with lubricating oil, the telescopic rod is driven to move upward by the cylinder, and the lubricating oil in the storage cavity is introduced into the upper area of ​​the intermediate plate along the connecting cavity by the lifting plate, so that the lubricating oil fully immerses the worm and the worm wheel, and can fully lubricate the worm and the worm wheel at the initial starting stage to avoid dry grinding.
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Description

Technical Field

[0001] The utility model relates to the technical field of reducer equipment, in particular to a shaft gear lubrication type reducer. Background Art

[0002] The reducer uses lubricating oil or grease for lubrication of the shaft teeth. During the initial startup phase of the reducer, the lubricating medium cannot always keep the gears fully lubricated, which causes the reducer to be unable to lubricate the gears well. This causes dry grinding during the initial operation of the reducer. Although this phase is short, after the reducer has been used for a long time, the accumulated wear after a large number of times will also greatly damage the gears of the reducer, thereby reducing the service life of the reducer. People have conducted a lot of research on this. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a shaft gear lubrication type reducer, which can solve the above-mentioned problems in the existing technology.

[0004] The utility model is realized through the following technical scheme: a shaft gear lubrication type reducer of the utility model comprises a box body, a transmission device is arranged in the box body, and is characterized in that a first intermediate box body is arranged in the box body, a storage cavity is arranged on the top of the first intermediate box body, a cylinder sleeve is arranged on the inner end wall of the first intermediate box body, a lifting plate is arranged slidingly on the inner side of the cylinder sleeve, a plurality of cylinders are arranged at the bottom of the box body, a telescopic rod is arranged for power connection in the cylinder, the telescopic rod is fixedly matched with the lifting plate, and the box body and the storage cavity are filled with lubricating oil.

[0005] According to a further technical solution, the box includes a second intermediate box, an intermediate plate is arranged in the first intermediate box, connecting cavities are arranged on both sides of the intermediate plate, the intermediate plate is arranged on the upper side of the first intermediate box, and the first intermediate box is arranged on the bottom side of the second intermediate box.

[0006] According to a further technical solution, the transmission device comprises a worm wheel and a worm, wherein the worm wheel and the worm are meshed with each other, and an output shaft is arranged inside the worm wheel.

[0007] According to a further technical solution, the box body also includes a bottom plate, a flange is provided at the bottom of the second intermediate box body, the flange is fixedly mounted to the bottom plate, the cylinder is mounted at the bottom of the bottom plate, and the telescopic rod slides through the bottom plate and the second intermediate box body.

[0008] According to a further technical solution, a groove is provided on one side of the flange and the bottom plate, and a sealing ring is provided in the groove.

[0009] According to a further technical solution, a cover plate is installed on the top of the second intermediate box.

[0010] According to a further technical solution, an oil plug is provided on one side of the second intermediate housing.

[0011] The beneficial effects of the utility model are as follows: 1. A cylinder is provided to drive the telescopic rod to move upward, and a lifting plate is used to allow the lubricating oil in the storage chamber to enter the upper area of ​​the middle plate along the connecting chamber, so that the lubricating oil can fully immerse the worm and the worm wheel, and the worm and the worm wheel can be fully lubricated during the initial starting stage to avoid dry grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] For ease of explanation, the present invention is described in detail by the following specific embodiments and drawings.

[0013] Figure 1 This is a schematic diagram of the overall structure of a shaft gear lubrication type reducer of the utility model;

[0014] Figure 2 for Figure 1 Structural diagram of the other side of the middle reducer;

[0015] Figure 3 for Figure 2 Schematic diagram of the internal structure of the medium reducer;

[0016] Figure 4 for Figure 3 A schematic diagram of the structure of the middle reducer in further section;

[0017] Figure 5 for Figure 4 Schematic diagram at A in the middle;

[0018] In the figure, the output shaft 11, the cover plate 12, the second intermediate case 13, the flange 14, the bottom plate 15, the oil plug 17, the cylinder 18, the worm gear 21, the worm 22, the middle plate 23, the connecting chamber 24, the first intermediate case 25, the lifting plate 26, the storage chamber 27, the cylinder sleeve 31, the telescopic rod 32, the groove 41, and the sealing ring 42. DETAILED DESCRIPTION

[0019] like Figure 1-Figure 5 As shown, the utility model is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front and back directions mentioned below are Figure 1The up-down, left-right, front-back directions of the projection relationship are consistent. The utility model is a shaft-gear lubricated reducer, including a box body, a transmission device is arranged in the box body, a first intermediate box body 25 is arranged in the box body, a storage chamber 27 is arranged on the top of the first intermediate box body 25, a cylinder sleeve 31 is arranged on the inner end wall of the first intermediate box body 25, a lifting plate 26 is slidingly arranged on the inner side of the cylinder sleeve 31, a plurality of cylinders 18 are arranged at the bottom of the box body, a telescopic rod 32 is arranged for power connection in the cylinder 18, the telescopic rod 32 is fixedly matched with the lifting plate 26, the box body and the storage chamber 27 are filled with lubricating oil, and after the lifting plate 26 moves upward to the highest point, the lubricating oil in the box body immerses the transmission device.

[0020] Advantageously, the housing includes a second intermediate housing 13, an intermediate plate 23 is provided in the second intermediate housing 13, connecting cavities 24 are provided on both sides of the intermediate plate 23, the intermediate plate 23 is provided on the upper side of the first intermediate housing 25, the first intermediate housing 25 is provided on the bottom side of the second intermediate housing 13, and the connecting cavity 24 functions as a channel for the flow of lubricating oil.

[0021] Advantageously, the transmission device includes a worm wheel 21 and a worm 22, which are meshingly arranged, the worm wheel 21 is rotationally connected to the intermediate plate 23, the worm 22 is rotationally connected to the end wall of the second intermediate case 13, and an output shaft 11 is arranged inside the worm wheel 21, and the output shaft 11 rotates through the second intermediate case 13.

[0022] Advantageously, the box body further comprises a bottom plate 15 , a flange 14 is provided at the bottom of the second intermediate box body 13 , the flange 14 is detachably mounted and fixed to the bottom plate 15 , the cylinder 18 is mounted at the bottom of the bottom plate 15 , and the telescopic rod 32 slides through the bottom plate 15 and the second intermediate box body 13 .

[0023] Advantageously, a groove 41 is provided on one side of the flange 14 and the bottom plate 15 , and a sealing ring 42 is provided in the groove 41 , and the sealing ring 42 plays a sealing role.

[0024] Advantageously, a cover plate 12 is detachably mounted on the top of the second intermediate box 13 , so as to facilitate maintenance and installation of components in the second intermediate box 13 .

[0025] Advantageously, an oil plug 17 may be provided on one side of the second intermediate housing 13 , and the oil plug 17 is used to introduce lubricating oil into the second intermediate housing 13 .

[0026] When the reducer is working, the power input of the external space is connected through the worm 22 , and then the power is input to the outside through the output shaft 11 after the transmission of the worm 22 and the worm wheel 21 .

[0027] Since the second intermediate box 13 and the storage chamber 27 are filled with lubricating oil, the telescopic rod 32 is pushed upward after the cylinder 18 works, so that the lifting plate 26 moves upward, and the lubricating oil in the storage chamber 27 is pushed upward and enters the upper area of ​​the intermediate plate 23 along the connecting chamber 24, so that the worm 22 and the worm wheel 21 are fully immersed and lubricated to prevent dry grinding of the worm 22 and the worm wheel 21 during the startup stage.

[0028] Thereafter, the cylinder 18 can stop working and drive the lifting plate 26 to reset, so that the lubricating oil level on the top of the first intermediate box 25 is lowered, but the worm 22 or the worm wheel 21 is partially immersed in the lubricating oil so that the lubricating oil can continuously lubricate the worm 22 or the worm wheel 21.

[0029] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A shaft gear lubrication type reducer, comprising a housing, in which a transmission device is arranged, characterized in that: A first intermediate box (25) is arranged in the box body, a storage cavity (27) is arranged on the top of the first intermediate box body (25), a cylinder sleeve (31) is arranged on the inner end wall of the first intermediate box body (25), a lifting plate (26) is slidably arranged inside the cylinder sleeve (31), a plurality of cylinders (18) are arranged at the bottom of the box body, a telescopic rod (32) is arranged in a power connection inside the cylinder (18), the telescopic rod (32) is fixedly matched with the lifting plate (26), and the box body and the storage cavity (27) are filled with lubricating oil.

2. The shaft-gear lubrication type reducer according to claim 1, characterized in that: The box body comprises a second intermediate box body (13), an intermediate plate (23) is arranged inside the second intermediate box body (13), connecting cavities (24) are arranged on both sides of the intermediate plate (23), the intermediate plate (23) is arranged on the upper side of the first intermediate box body (25), and the first intermediate box body (25) is arranged on the bottom side of the second intermediate box body (13).

3. The shaft gear lubrication type reducer according to claim 1, characterized in that: The transmission device comprises a worm wheel (21) and a worm (22), wherein the worm wheel (21) and the worm (22) are meshed with each other, and an output shaft (11) is arranged inside the worm wheel (21).

4. The shaft-gear lubrication type reducer according to claim 2, characterized in that: The box body also includes a bottom plate (15), a flange (14) is provided at the bottom of the second intermediate box body (13), the flange (14) is fixedly mounted on the bottom plate (15), the cylinder (18) is mounted on the bottom of the bottom plate (15), and the telescopic rod (32) slides through the bottom plate (15) and the second intermediate box body (13).

5. The shaft-gear lubrication type reducer according to claim 4, characterized in that: A groove (41) is provided on one side of the flange (14) and the bottom plate (15), and a sealing ring (42) is provided in the groove (41).

6. The shaft-gear lubrication type reducer according to claim 2, characterized in that: A cover plate (12) is installed on the top of the second intermediate box (13).

7. The shaft-gear lubrication type reducer according to claim 2, characterized in that: An oil plug (17) is provided on one side of the second intermediate casing (13).