Train transmission shaft protection device

By designing an adjustable-angle train driveshaft protection device, the problem of cumbersome operation of existing devices has been solved, enabling convenient maintenance and replacement, improving work efficiency and enhancing the protection effect of the driveshaft.

CN223609239UActive Publication Date: 2025-11-28XINXIANG KEBOTE HOISTING MACHINERY CO LTD
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Patent Information

Application Number
CN202520118132.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-18
Publication Date
2025-11-28
Estimated Expiration
2035-01-18

AI Technical Summary

Technical Problem

Existing train drive shaft protection devices are cumbersome to operate during maintenance or replacement, reducing work efficiency, and the drive shafts are susceptible to damage from foreign objects on the track and severe weather.

Method used

Design a train drive shaft protection device that includes protective components. The device uses a rotating rod to drive an external gear ring to rotate on an arc-shaped rack. The arc-shaped protective plate has an adjustable angle, which facilitates the maintenance or replacement of the drive shaft and reduces the number of bolt disassembly steps.

Benefits of technology

It simplifies the maintenance and replacement process of the drive shaft, improves operational efficiency, and protects the drive shaft from foreign objects on the track and severe weather.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a train transmission shaft protection device which comprises a protection assembly, the protection assembly comprises a fixing plate, an operation block, a plurality of arc-shaped protection plates, a rotating rod, a plurality of arc-shaped racks and a plurality of outer gear rings, the operation block is arranged on the lower surface of the fixing plate, and an arc-shaped through hole is formed in the outer wall of the operation block; the multiple arc-shaped protection plates are slidably connected to the inner wall of the arc-shaped through hole, and arc-shaped movable through holes are formed in the outer walls of the multiple arc-shaped protection plates. The plurality of arc-shaped racks are arranged on the inner wall of the arc-shaped movable through hole; the rotating rod drives the outer gear ring to rotate on the arc-shaped rack, the arc-shaped rack drives the arc-shaped protection plate to rotate, the angle of the arc-shaped protection plate is convenient to adjust, when an opening of the arc-shaped protection plate is transversely formed, the transmission shaft is convenient to maintain or replace, related personnel do not need to dismantle a large number of bolts, operation is convenient, and working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to train transmission shaft protection equipment technical field, especially in kind of train transmission shaft protection device. BACKGROUND

[0002] The train transmission shaft is a key component in the train power transmission system, and its main function is to transmit the power generated by the train engine (such as a steam engine, an internal combustion engine or an electric motor) to the wheels, thereby driving the train to run. There may be various foreign objects on the track, such as stones, metal fragments, tools or other discarded items. These foreign objects may be crushed and bounced by the wheels, hitting the transmission shaft, and when the train is running at high speed, the fragments or small stones beside the track may be thrown up by the wheels and may hit the exposed part of the transmission shaft. In addition, in bad weather conditions such as hail, storm, etc., hard objects may hit the transmission shaft, thereby affecting the service life of the transmission shaft.

[0003] The existing protection device is usually fixed on the bottom of the train by a protective rail, which is used for safety protection of the train transmission shaft. If the transmission shaft needs to be maintained or replaced, the relevant personnel need to disassemble the protective rail from the bottom of the train. The disassembly method usually adopts bolt fixing and disassembly, which is relatively cumbersome to operate and reduces the work efficiency. Therefore, a train transmission shaft protection device is proposed. SUMMARY

[0004] Therefore, the embodiments of the utility model hope to provide a train transmission shaft protection device to solve or alleviate the technical problems existing in the prior art, at least to provide a beneficial choice.

[0005] The technical scheme of the utility model embodiment is realized as follows: a train transmission shaft protection device, comprising a protection assembly, the protection assembly comprises a fixed plate, an operating block, a plurality of arc-shaped protection plates, a rotating rod, a plurality of arc-shaped racks and a plurality of outer tooth rings, wherein the operating block is arranged on the lower surface of the fixed plate, and an arc-shaped through hole is formed in the outer wall of the operating block; a plurality of arc-shaped protection plates are slidably connected to the inner wall of the arc-shaped through hole, and arc-shaped movable through holes are formed in the outer walls of the plurality of arc-shaped protection plates; a plurality of arc-shaped racks are arranged on the inner wall of the arc-shaped movable through hole, and one end of the rotating rod is rotatably connected to the inner wall of the arc-shaped through hole; the other end of the rotating rod penetrates through the operating block and is rotatably connected, and the rotating rod penetrates through the arc-shaped movable through hole; a plurality of outer tooth rings are uniformly arranged on the outer wall of the rotating rod, and the plurality of outer tooth rings are engaged with the corresponding arc-shaped racks.

[0006] In some embodiments, a handle is arranged at the other end of the rotating rod.

[0007] In some embodiments, an arc-shaped groove is formed in the lower surface of the operating block.

[0008] In some embodiments, the upper surface of the fixing plate is uniformly provided with fixing holes.

[0009] In some embodiments, the inner top wall of the arc-shaped protection plate is provided with an arc-shaped sliding groove, and the inner bottom wall of the arc-shaped through hole is uniformly provided with an arc-shaped sliding block, and the outer wall of the arc-shaped sliding block is slidingly connected to the inner wall of the arc-shaped sliding groove.

[0010] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme:

[0011] The utility model discloses a transmission shaft is maintained or replaced through the rotation of arc-shaped protection plate, and the related personnel does not need to remove a large number of bolts, and the operation is convenient, and the working efficiency is improved.

[0012] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described illustrative aspects, embodiments and features, further aspects, embodiments and features will be readily apparent to those skilled in the art from the drawings and detailed description herein. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0014] Figure 1 The structural diagram of the utility model is shown in the figure.

[0015] Figure 2 The structural diagram of the utility model is shown in the figure.

[0016] Figure 3 The A-A side sectional structure diagram of the utility model is shown in the figure. Figure 2

[0017] The B area enlarged structural diagram of the utility model is shown in the figure. Figure 4 Figure 3 The structural diagram of the arc-shaped protection plate and the arc-shaped rack connection of the utility model is shown in the figure.

[0018] Figure 5

[0019] ​​Label: 1, protection assembly; 2, arc-shaped through hole; 3, fixing hole; 4, handle; 5, arc-shaped groove; 6, arc-shaped movable through hole; 7, arc-shaped sliding slot; 8, arc-shaped sliding block; 10, fixed plate; 11, operation block; 12, arc-shaped protection plate; 13, rotating rod; 14, arc-shaped rack; 15, outer tooth ring. DETAILED DESCRIPTION

[0020] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0021] It should be noted that the terms "first", "second", "symmetric", "array" and the like are only used for distinguishing description and position description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "symmetric" and the like can explicitly or implicitly include one or more of the features; similarly, for some features that are not limited in number by the words "two", "three" and the like, it should be noted that the features also belong to explicitly or implicitly including one or more feature numbers.

[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "fixing" and the like should be understood broadly; for example, it can be fixed connection, or detachable connection, or one-piece; it can be mechanical connection, it can be direct connection, it can be welding, it can be indirect connection through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the description and drawings in combination with specific circumstances.

[0023] The embodiments of the present application will be described in detail below in combination with the drawings.

[0024] As Figures 1-5The utility model discloses a train transmission shaft protection device, including protection subassembly 1, protection subassembly 1 includes fixed plate 10, operating block 11, a plurality of arc protection plate 12, rotating rod 13, a plurality of arc rack 14 and a plurality of outer tooth ring 15, wherein, operating block 11 sets up at the lower surface of fixed plate 10, and the outer wall of operating block 11 is equipped with arc through hole 2, a plurality of arc protection plate 12 slidingly connects in the inner wall of arc through hole 2, and the outer wall of a plurality of arc protection plate 12 is equipped with arc movable through hole 6, a plurality of arc rack 14 sets up in the inner wall of arc movable through hole 6, and one end of rotating rod 13 is rotatably connected in the inner wall of arc through hole 2, the other end of rotating rod 13 passes through operating block 11 and is rotatably connected, and rotating rod 13 passes through arc movable through hole 6, a plurality of outer tooth ring 15 evenly set up in the outer wall of rotating rod 13, and a plurality of outer tooth ring 15 is engaged with corresponding arc rack 14.

[0025] In the embodiment, specifically, the other end of the rotating rod 13 is provided with a handle 4, and the relevant personnel hold the handle 4 to drive the rotating rod 13 to rotate.

[0026] In the embodiment, specifically, the lower surface of the operating block 11 is provided with an arc-shaped recess 5, and the arc-shaped recess 5 is used to ensure the space for the train transmission shaft to work.

[0027] In the embodiment, specifically, the upper surface of the fixed plate 10 is uniformly provided with a fixing hole 3, and the relevant personnel use bolts to be screwed to the bottom of the train through the fixing hole 3, so that the fixed plate 10 is fixed to the bottom of the train.

[0028] In the embodiment, specifically, the inner side top wall of the arc-shaped protection plate 12 is provided with an arc-shaped sliding groove 7, the inner side bottom wall of the arc-shaped through hole 2 is uniformly provided with an arc-shaped sliding block 8, and the outer wall of the arc-shaped sliding block 8 is slidingly connected to the inner wall of the arc-shaped sliding groove 7. Through the above arrangement, the arc-shaped sliding block 8 is slidingly arranged in the arc-shaped sliding groove 7, which can assist the rotation of the arc-shaped protection plate 12 and stabilize the position of the rotation of the arc-shaped protection plate 12.

[0029] When the utility model works: the relevant personnel hold the handle 4 to drive the rotating rod 13 to rotate, the rotating rod 13 drives the outer tooth ring 15 to rotate on the arc-shaped rack 14, the arc-shaped rack 14 drives the arc-shaped protection plate 12 to rotate, which is convenient for adjusting the angle of the arc-shaped protection plate 12. When the opening of the arc-shaped protection plate 12 is transversely arranged, it is convenient to move the transmission shaft of the train into the arc-shaped protection plate 12, and then the relevant personnel use bolts to be screwed to the bottom of the train through the fixing hole 3, so that the fixed plate 10 is fixed to the bottom of the train.

[0030] When the opening of the arc-shaped protection plate 12 is transversely arranged, it is also convenient to maintain or replace the transmission shaft without the relevant personnel removing a large number of bolts.

[0031] When the transmission shaft is maintained or replaced, the related personnel hold the handle 4 to drive the rotating rod 13 to rotate, the rotating rod 13 drives the outer gear ring 15 to rotate on the arc-shaped gear rack 14, the arc-shaped gear rack 14 drives the arc-shaped protective plate 12 to rotate, so that the angle of the arc-shaped protective plate 12 is adjusted, and when the opening of the arc-shaped protective plate 12 is arranged downward, the transmission shaft of the train is protected.

[0032] The above merely provides a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the present application, and these should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A train drive shaft protection device comprising a protection assembly (1), characterized in that: Said protection assembly (1) includes a fixed plate (10), an operating block (11), several arc-shaped protection plates (12), a rotating rod (13), several arc-shaped racks (14) and several outer tooth rings (15), wherein, Said operating block (11) is arranged on the lower surface of said fixed plate (10), and an arc-shaped through hole (2) is arranged on the outer wall of said operating block (11); Said arc-shaped protection plates (12) are slidingly connected to the inner wall of said arc-shaped through hole (2), and arc-shaped movable through holes (6) are arranged on the outer walls of said arc-shaped protection plates (12); Said arc-shaped racks (14) are arranged on the inner wall of said arc-shaped movable through holes (6), and one end of said rotating rod (13) is rotatably connected to the inner wall of said arc-shaped through hole (2); The other end of said rotating rod (13) penetrates through said operating block (11) and is rotatably connected, and said rotating rod (13) penetrates through said arc-shaped movable through holes (6); Said outer tooth rings (15) are evenly arranged on the outer wall of said rotating rod (13), and said outer tooth rings (15) are engaged with corresponding said arc-shaped racks (14).

2. The train propeller shaft protection device of claim 1, wherein: The other end of said rotating rod (13) is provided with a handle (4).

3. The train propeller shaft protection device of claim 1, wherein: An arc-shaped recess (5) is arranged on the lower surface of said operating block (11).

4. The train propeller shaft protection device of claim 1, wherein: Fixed holes (3) are evenly arranged on the upper surface of said fixed plate (10).

5. The train propeller shaft protection device of claim 1, wherein: An arc-shaped sliding groove (7) is arranged on the inner top wall of said arc-shaped protection plate (12), and arc-shaped sliding blocks (8) are evenly arranged on the inner bottom wall of said arc-shaped through hole (2), and the outer wall of said arc-shaped sliding blocks (8) is slidingly connected to the inner wall of said arc-shaped sliding groove (7).