Leak-proof high-strength variable stroke gear box body

By using sealing sleeves and movable ring structures in the gear box, the problem of oil leakage caused by boring errors is solved, and the high-strength sealing and adjustability of the gear box are achieved.

CN222229381UActive Publication Date: 2024-12-24NINGBO TEMEI TECH CO LTD
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Patent Information

Application Number
CN202420477629.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-12
Publication Date
2024-12-24
Estimated Expiration
2034-03-12

AI Technical Summary

Technical Problem

The gear box is prone to errors during the boring process, resulting in oil leakage and waste.

Method used

A high-strength variable-stroke gear box with leakage protection is designed. The sealing sleeve and flange sleeve are fixedly installed at the ports of the transmission shaft and the output shaft, and the movable installation of the ring and the transmission shaft is ensured. The seal at the location avoids oil leakage and achieves different transmission ratios through the lever adjustment gear meshing.

Benefits of technology

It effectively prevents the leakage of engine oil inside the gear box, ensures sealing, and realizes the adjustability of the gear box transmission ratio.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gear box bodies, and discloses a leakproof high-strength variable stroke gear box body which comprises a box body, and a top cover is fixedly installed on the top of the box body. The transmission assembly is movably mounted in the box body; wherein the transmission assembly comprises an output part and a transmission part; the visual assembly is fixedly mounted in the top cover; wherein the visual assembly comprises a visual part and a leakage-proof part; the output part comprises an output shaft, a first output gear is fixedly installed at the end, close to the left side, of the output shaft, and a second output gear is fixedly installed at the end, close to the right side, of the output shaft. According to the utility model, the leakproof part is arranged, the sealing sleeve and the turnup sleeve are fixedly arranged at the ports of the transmission shaft and the output shaft, and the turnup sleeve and the end cover are fixedly arranged, so that the sealing at the ports of the shafts is ensured, and the effect of engine oil leakage of the gear box body is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to a leakage-proof high-strength variable-stroke gear box. Background Art

[0002] Gearboxes are widely used, for example, in wind turbines. Gearboxes are an important mechanical component that is widely used in wind turbines. Their main function is to transfer the power generated by the wind rotor to the generator and make it reach the corresponding speed. Usually, the speed of the wind rotor is very low, far from the speed required by the generator. It must be achieved through the speed increase of the gear pair of the gearbox, so the gearbox is also called a speed increaser.

[0003] At present, in actual application, the gear box body is mostly bored near the port of the shaft to facilitate the fixed installation of the end cover and the gear box body. However, errors are inevitable in the boring process, resulting in the boring hole being too large. The oil inside the gear box body may leak out, causing oil waste. Utility Model Content

[0004] The utility model aims to provide a leakage-proof high-strength variable-stroke gear housing, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a leakage-proof high-strength variable-stroke gear housing, comprising:

[0006] A box body, with a top cover fixedly mounted on the top of the box body;

[0007] A transmission assembly, wherein the transmission assembly is movably mounted inside the box;

[0008] Wherein, the transmission component includes an output part and a transmission part;

[0009] A visual component, wherein the visual component is fixedly installed inside the top cover;

[0010] Wherein, the visible component includes a visible part and a leak-proof part.

[0011] Preferably, the output part includes an output shaft, an output gear 1 is fixedly installed on the left end of the output shaft, an output gear 2 is fixedly installed on the right end of the output shaft, the output shaft is movably installed between the box body, and one end of the output shaft passes through the box body and extends to the outside of the box body.

[0012] Preferably, the transmission part includes a transmission shaft, a gear 1 is fixedly installed on one end of the transmission shaft close to the left side, a gear 2 is fixedly installed on one end of the transmission shaft close to the right side, and a limiting cylinder is fixedly installed inside the box.

[0013] Preferably, one end of the transmission shaft passes through the box body and extends to the outside of the box body, and the other end of the transmission shaft passes through the limiting cylinder and extends to the inside of the limiting cylinder. The transmission shaft is movably installed between the box body and the limiting cylinder, and the gear one is meshingly transmitted with the output gear one, and the gear two is meshingly transmitted with the output gear two.

[0014] Preferably, the visible portion includes a visible glass, a lever is provided on the top of the top cover, and a ring is fixedly installed on the bottom of the lever.

[0015] Preferably, the visual glass is fixedly mounted inside the top cover, one end of the lever passes through the top cover and the box body in sequence, and one end of the lever extends to the inside of the box body, and the ring is movably mounted between the transmission shaft.

[0016] Preferably, the leak-proof part includes a sealing sleeve, a flanged sleeve is fixedly installed inside the box body, and an end cover is fixedly installed inside the flanged sleeve.

[0017] Preferably, the sealing sleeve is movably mounted on the transmission shaft, one end of the transmission shaft passes through the sealing sleeve and extends to the outside of the sealing sleeve, and the flanged sleeve is movably mounted on the output shaft, the other end of the output shaft passes through the flanged sleeve and extends to the inside of the flanged sleeve.

[0018] The utility model provides a leak-proof high-strength variable-stroke gear housing. It has the following beneficial effects:

[0019] (1) The utility model uses a movable installation between the ring and the transmission shaft and a fixed installation between the ring and the lever. The meshing between different gears can be adjusted by moving the lever, thereby achieving different transmission ratios, thereby achieving the effect that the gear box can adjust the transmission ratio.

[0020] (2) The utility model sets a leak-proof part, and a sealing sleeve and a flanged sleeve are fixedly installed at the ports of the transmission shaft and the output shaft. The flanged sleeve is fixedly installed with the end cover to ensure the sealing at the shaft port, thereby achieving the effect of preventing the oil from leaking out of the gear box. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is the front view of the utility model;

[0023] Figure 3 It is a top view of the utility model;

[0024] Figure 4 It is the right view of the utility model.

[0025] In the figure: 1 box body, 2 top cover, 3 transmission assembly, 31 output part, 311 output shaft, 312 output gear 1, 313 output gear 2, 32 transmission part, 321 transmission shaft, 322 gear 1, 323 gear 2, 324 limit cylinder, 4 visual assembly, 41 visual part, 411 visual glass, 412 lever, 413 ring, 42 leak-proof part, 421 sealing sleeve, 422 flanged sleeve, 423 end cover. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0028] Example 1

[0029] A preferred embodiment of a leakage-proof high-strength variable-stroke gear housing provided by the utility model is as follows Figure 1-4 Shown: A leak-proof high-strength variable-stroke gear housing, comprising:

[0030] A box body 1, with a top cover 2 fixedly mounted on the top of the box body 1;

[0031] The transmission component 3 is movably installed inside the box body 1;

[0032] The transmission component 3 includes an output part 31 and a transmission part 32;

[0033] The output part 31 includes an output shaft 311, an output gear 1 312 is fixedly installed on the left end of the output shaft 311, and an output gear 2 313 is fixedly installed on the right end of the output shaft 311. The output shaft 311 is movably installed with the housing 1, and one end of the output shaft 311 penetrates the housing 1 and extends to the outside of the housing 1; the meshing transmission between the output gear 1 312 and the gear 1 322 and the output gear 2 313 can achieve different transmission ratios;

[0034] The transmission part 32 includes a transmission shaft 321, a gear 1 322 is fixedly installed on one end of the transmission shaft 321 close to the left side, a gear 2 323 is fixedly installed on one end of the transmission shaft 321 close to the right side, a limiting cylinder 324 is fixedly installed inside the box body 1, one end of the transmission shaft 321 passes through the box body 1 and extends to the outside of the box body 1, the other end of the transmission shaft 321 passes through the limiting cylinder 324 and extends to the inside of the limiting cylinder 324, the transmission shaft 321 is movably installed between the box body 1 and the limiting cylinder 324, the gear 1 322 is meshed with the output gear 1 312 for transmission, and the gear 2 323 is meshed with the output gear 2 313 for transmission; one end of the transmission shaft 321 is fixedly installed with the driving device, and the transmission shaft 321 can move inside the limiting cylinder 324.

[0035] Example 2

[0036] On the basis of Example 1, a preferred embodiment of a leakage-proof high-strength variable-stroke gear housing provided by the utility model is as follows: Figure 1-4 As shown: a visual component 4, which is fixedly installed inside the top cover 2;

[0037] The visible component 4 includes a visible portion 41 and a leak-proof portion 42;

[0038] The visible part 41 includes a visual glass 411, a lever 412 is provided on the top of the top cover 2, a ring 413 is fixedly installed on the bottom of the lever 412, the visual glass 411 is fixedly installed inside the top cover 2, one end of the lever 412 passes through the top cover 2 and the box body 1 in sequence, and one end of the lever 412 extends to the inside of the box body 1, and the ring 413 is movably installed with the transmission shaft 321; the ring 413 is movably installed with the transmission shaft 321, and the ring 413 will not affect the rotation of the transmission shaft 321 when the transmission shaft 321 rotates. When the transmission ratio of the gear box body needs to be adjusted, the lever 412 is moved, the ring 413 moves, and the transmission shaft 321 moves, and the gear 1 322 and the gear 2 323 fixedly installed with the transmission shaft 321 move, and the meshing condition between the gear 1 322 and the gear 2 323 and the output gear changes, and the transmission ratio changes accordingly, and the internal condition of the box body 1 can be observed through the visual glass 411;

[0039] The leak-proof part 42 includes a sealing sleeve 421, a flanged sleeve 422 is fixedly installed inside the housing 1, an end cover 423 is fixedly installed inside the flanged sleeve 422, the sealing sleeve 421 is movably installed with the transmission shaft 321, one end of the transmission shaft 321 passes through the sealing sleeve 421 and extends to the outside of the sealing sleeve 421, the flanged sleeve 422 is movably installed with the output shaft 311, and the other end of the output shaft 311 passes through the flanged sleeve 422 and extends to the inside of the flanged sleeve 422; the flanged sleeve 422 is fixedly installed with the housing 1, and the end cover 423 is fixedly installed with the flanged sleeve 422, so that the end cover 423 is avoided from being directly installed with the housing 1, and errors are prevented when boring holes on the housing 1; the sealing sleeve 421 is movably installed with the transmission shaft 321, so that the oil inside the gear box is effectively prevented from leaking out.

[0040] When in use, the meshing transmission between the output gear 1 312 and the gear 1 322 and the output gear 2 313 can achieve different transmission ratios. One end of the transmission shaft 321 is fixedly installed with the driving device, and the transmission shaft 321 can move inside the limiting cylinder 324. The ring 413 is movably installed with the transmission shaft 321. When the transmission shaft 321 rotates, the ring 413 will not affect the rotation of the transmission shaft 321. When the transmission ratio of the gear box needs to be adjusted, the lever 412 is moved, the ring 413 moves, and the transmission shaft 321 moves, which is in line with the transmission shaft The gear 1 322 and gear 2 323 fixedly installed at 321 move, and the meshing condition between gear 1 322, gear 2 323 and the output gear changes, so the transmission ratio changes. The internal condition of the housing 1 can be observed through the visual glass 411. The flanged sleeve 422 is fixedly installed at the housing 1, and the end cover 423 is fixedly installed at the flanged sleeve 422, so that the end cover 423 is avoided from being directly installed at the housing 1, and errors are prevented from occurring when boring holes on the housing 1. The sealing sleeve 421 is movably installed at the transmission shaft 321, so that the oil inside the gear housing is effectively prevented from leaking out.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A leak-proof high-strength variable-stroke gear housing, characterized in that: include: A box body (1), a top cover (2) being fixedly mounted on the top of the box body (1); A transmission assembly (3), wherein the transmission assembly (3) is movably mounted inside the housing (1); Wherein, the transmission component (3) comprises an output part (31) and a transmission part (32); A visual component (4), wherein the visual component (4) is fixedly mounted inside the top cover (2); Wherein, the visible component (4) comprises a visible portion (41) and a leak-proof portion (42).

2. The leak-proof high-strength variable-stroke gear housing according to claim 1, characterized in that: The output portion (31) comprises an output shaft (311), an output gear 1 (312) is fixedly mounted on one end of the output shaft (311) close to the left side, and an output gear 2 (313) is fixedly mounted on one end of the output shaft (311) close to the right side. The output shaft (311) is movably mounted on the housing (1), and one end of the output shaft (311) passes through the housing (1) and extends to the outside of the housing (1).

3. The leak-proof high-strength variable-stroke gear housing according to claim 1, characterized in that: The transmission part (32) comprises a transmission shaft (321), a gear 1 (322) is fixedly mounted on the end of the transmission shaft (321) close to the left side, a gear 2 (323) is fixedly mounted on the end of the transmission shaft (321) close to the right side, and a limiting cylinder (324) is fixedly mounted inside the box body (1).

4. The leak-proof high-strength variable-stroke gear housing according to claim 3, characterized in that: One end of the transmission shaft (321) passes through the housing (1) and extends to the outside of the housing (1), and the other end of the transmission shaft (321) passes through the limiting cylinder (324) and extends to the inside of the limiting cylinder (324). The transmission shaft (321) is movably installed between the housing (1) and the limiting cylinder (324), the gear 1 (322) is meshed with the output gear 1 (312) for transmission, and the gear 2 (323) is meshed with the output gear 2 (313) for transmission.

5. The leak-proof high-strength variable-stroke gear housing according to claim 1, characterized in that: The visible portion (41) comprises a visible glass (411), a lever (412) is arranged on the top of the top cover (2), and a circular ring (413) is fixedly mounted on the bottom of the lever (412).

6. The leak-proof high-strength variable-stroke gear housing according to claim 5, characterized in that: The visual glass (411) is fixedly mounted inside the top cover (2); one end of the lever (412) passes through the top cover (2) and the box body (1) in sequence, and one end of the lever (412) extends to the inside of the box body (1); and the ring (413) is movably mounted between the transmission shaft (321).

7. The leak-proof high-strength variable-stroke gear housing according to claim 1, characterized in that: The anti-leakage part (42) comprises a sealing sleeve (421), a flanged sleeve (422) is fixedly installed inside the box body (1), and an end cover (423) is fixedly installed inside the flanged sleeve (422).

8. The leak-proof high-strength variable-stroke gear housing according to claim 7, characterized in that: The sealing sleeve (421) is movably mounted on the transmission shaft (321), one end of the transmission shaft (321) passes through the sealing sleeve (421) and extends to the outside of the sealing sleeve (421), and the flanged sleeve (422) is movably mounted on the output shaft (311), the other end of the output shaft (311) passes through the flanged sleeve (422) and extends to the inside of the flanged sleeve (422).