Air exhaust and noise reduction device for air cylinder of locomotive

By combining the air intake, quick connectors, and flexible silencer tubes, and utilizing screw and plug-in connections, the problem of excessive noise from the locomotive air cylinder exhaust has been solved, achieving both noise reduction and cost control, making it suitable for large-scale promotion.

CN223702566UActive Publication Date: 2025-12-23司松涛
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Patent Information

Application Number
CN202520392231.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2025-12-23
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

In the existing technology, when the locomotive is running, the traditional air cylinder device has the following problems: the existing locomotive air cylinder exhaust device is too noisy, resulting in serious noise in the working environment, affecting the health and safety of the operators, and the existing noise reduction device is too expensive to be widely promoted.

Method used

The design combines an air intake, quick connectors, and flexible silencer tubes, using screw and plug-in connections, along with common materials such as ordinary carbon steel and sound-absorbing fiber materials, to achieve noise reduction and reduce costs through a simple installation process.

Benefits of technology

It effectively reduces the exhaust noise of locomotive air cylinders, protects the health of operators, reduces production, installation and maintenance costs, simplifies the installation process, and is suitable for large-scale promotion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of locomotive equipment, in particular to an air exhaust and noise reduction device for an air cylinder of a locomotive. The air intake device comprises an air intake device, a quick connector and a flexible hush pipe, the quick connector is connected with the air intake device and the flexible hush pipe, and the air intake device is fixedly connected with a main air pipe. The air taking device comprises an air pipe main plug, a threaded hole is drilled in one face of the air pipe main plug, the other face of the air taking device is in threaded connection with the main air pipe, and the quick connector is in threaded connection with the threaded hole. According to the utility model, the materials are common and low-cost materials, so that the purchase cost of the raw materials is greatly reduced. Due to the special design of the flexible hush pipe, the exhaust noise can be effectively reduced, the hearing health of an operator is protected, the working environment is improved, and potential safety hazards caused by the noise problem are reduced. The whole device is simple in structure, the production process is easy to control, and the production and manufacturing cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of locomotive equipment, concretely relates to a locomotive air cylinder exhaust noise reduction device. BACKGROUND

[0002] In the locomotive operation scene, the high-decibel noise generated by the air cylinder exhaust is a long-standing problem that needs to be solved urgently. The traditional locomotive air cylinder exhaust method directly discharges compressed air, resulting in a noise level in the operating environment often exceeding 130 decibels. This not only seriously damages the hearing health of the operating personnel, but also interferes with the operation process, increases the risk of operational errors, and affects the safe and stable operation of the locomotive. Although there are some noise reduction schemes on the current market, most of them have the problem of high cost. Some noise reduction devices use complex structural design and expensive materials, resulting in high production and manufacturing costs, which hinders large-scale popularization and application. For railway transportation enterprises, the high cost of noise reduction equipment means significant economic pressure, limiting their investment in noise reduction technology.

[0003] Therefore, it is an urgent need in the industry to develop a locomotive air cylinder exhaust noise reduction device that can effectively reduce noise and have an advantage in cost. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at overcoming the above problems and providing a locomotive air cylinder exhaust noise reduction device. To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A locomotive air cylinder exhaust noise reduction device, comprising a device main body, the device main body comprising an air extractor, a quick connector, and a flexible silencer, the quick connector connecting the air extractor and the flexible silencer, and the air extractor being fixedly connected with a total air pipe.

[0006] As an improvement, the air extractor comprises a total air pipe plug, one side of the total air pipe plug is drilled with a threaded hole, the other side of the air extractor is screwed with the total air pipe, and the quick connector is screwed with the threaded hole.

[0007] As an improvement, the quick connector is provided with an insertion port, and the insertion port is fixedly connected with the flexible silencer.

[0008] As an improvement, the quick connector is provided with a switch.

[0009] The utility model has the advantages of:

[0010] 1. The utility model is made of common and low-cost materials, which greatly reduces the raw material procurement cost.

[0011] 2.The special design of the flexible silencer pipe can effectively reduce the exhaust noise, protect the hearing health of the operating personnel, improve the operating environment, and reduce the safety hazards caused by noise problems.

[0012] 3.In the structural design aspect, the simple and reliable screwing and plug-in connection mode is adopted, without the need for complex installation process and special tools, so that the labor cost of installation and maintenance is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structure diagram of a locomotive air cylinder exhaust noise reduction device in embodiment 1.

[0014] Figure 2 It is an explosion diagram of a locomotive air cylinder exhaust noise reduction device in embodiment 1.

[0015] Identified in the figure:

[0016] 1, device main body; 2, air extractor; 3, quick connector; 4, flexible silencer pipe; 5, threaded hole; 6, insertion port; 7, switch. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0018] In the description of the embodiments of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0019] In addition, if the terms "horizontal", "vertical", "overhanging" and the like appear, they do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0020] In the description of the embodiments of the utility model, "multiple" represents at least 2.

[0021] In the description of the embodiments of the utility model, it also needs to be explained that, unless there is explicit provision and limitation, if the terms "set", "install", "connect" and "connect" appear, they should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0022] The utility model will be described in detail and specifically through specific embodiments, so that the utility model can be better understood, but the following embodiments do not limit the protection scope of the utility model.

[0023] Embodiment 1

[0024] The embodiment discloses a locomotive air cylinder exhaust noise reduction device.

[0025] As shown in Figure 1 , Figure 2 The embodiment includes device main body 1, device main body 1 includes air taking device 2, quick connector 3, flexible sound-absorbing pipe 4, quick connector 3 is connected with air taking device 2 and flexible sound-absorbing pipe 4, air taking device 2 is connected and fixed with the total air pipe.

[0026] Air taking device 2 includes air pipe total plug, air pipe total plug is drilled with threaded hole 5 on one side, air taking device 2 is screwed with the total air pipe on the other side, and quick connector 3 is screwed with threaded hole 5.

[0027] Precise threaded hole 5 is drilled on the existing air pipe total plug, one side is screwed with quick connector 3, and the other side is screwed with the total air pipe. By screwing, not only the connection is stable, but also the installation and disassembly are convenient, and the labor cost of installation and maintenance is reduced. The air pipe total plug is made of common metal materials, such as ordinary carbon steel, which effectively controls the material cost after rust prevention treatment under the premise of ensuring performance.

[0028] Flexible sound-absorbing pipe 4 is made of sound-absorbing material. The material is based on ordinary rubber material, and special treated sound-absorbing fibers are added. These sound-absorbing fibers are widely available and low in price.

[0029] Quick connector 3 is provided with insertion port 6, and insertion port 6 is connected and fixed with flexible sound-absorbing pipe 4.

[0030] The insertion port 6 is used for tightly connecting and fixing with the flexible sound attenuation pipe 4. The quick connector 3 is made of high-strength engineering plastic, which has low cost, good wear resistance and sealing performance, can meet the use requirement, and reduces the cost increase caused by frequent replacement of parts.

[0031] The quick connector 3 is provided with a switch 7.

[0032] The switch 7 is convenient for an operator to control the opening and closing of the exhaust and the flow regulation.

[0033] Installation: find a suitable total air pipe installation position on the locomotive, clean the oil dirt and impurities of the installation position. The air extractor 2 of the locomotive air cylinder exhaust noise reduction device is screwed and fixed with the total air pipe, and the connection is firm to prevent loosening and air leakage.

[0034] Use: when the locomotive air cylinder exhaust is needed, slowly open the switch 7 on the quick connector 3, and observe the exhaust condition. According to the actual requirement, the exhaust flow can be adjusted through the switch 7. During the exhaust process, pay attention to the noise condition, and check the noise reduction effect of the device.

[0035] Maintenance: regularly check the connection of each part of the device, ensure that the connection between the air extractor 2 and the total air pipe, the quick connector 3 and the air extractor 2, and the flexible sound attenuation pipe 4 and the quick connector 3 is firm, and there is no loosening phenomenon. Check whether the flexible sound attenuation pipe 4 is damaged, aged or the like, and replace it in time if there is a problem. Regularly clean the switch 7 on the quick connector 3 to ensure that it is flexible to operate.

[0036] The specific embodiments of the utility model are described in detail above, but it is only as an example, the utility model is not equal to the specific embodiments described above. For those skilled in the art, any equivalent modification and replacement to the utility model are also in the scope of the utility model. Therefore, any equivalent transformation and modification made without departing from the spirit and scope of the utility model should be covered in the scope of the utility model.

Claims

1. A locomotive air reservoir exhaust noise reduction device, comprising: The device comprises a device body (1), the device body (1) comprises a wind extractor (2), a quick connector (3), a flexible silencer pipe (4), the quick connector (3) is connected with the wind extractor (2) and the flexible silencer pipe (4), and the wind extractor (2) is fixedly connected with a total air pipe.

2. The locomotive air reservoir exhaust noise reduction device of claim 1, wherein, The wind extractor (2) comprises a total air pipe plug, a threaded hole (5) is drilled on one side of the total air pipe plug, the other side of the wind extractor (2) is screwed with the total air pipe, and the quick connector (3) is screwed with the threaded hole (5).

3. The locomotive air reservoir exhaust noise reduction device of claim 2, wherein, An insertion port (6) is arranged on the quick connector (3), and the insertion port (6) is fixedly connected with the flexible silencer pipe (4).

4. The locomotive air reservoir exhaust noise reduction device of claim 3, wherein, A switch (7) is arranged on the quick connector (3).