Adjustable air pressure purging device special for locomotive

Abstract

The utility model discloses a special adjustable air pressure purging device for locomotives, which relates to the technical field of locomotive maintenance and comprises an air pressure gauge, an air inlet pressure angle cock, an air outlet pressure angle cock, an air outlet pipe and a synchronous control part, and one end of the air inlet pressure angle cock is used for being connected and communicated with the air inlet end of the air pressure gauge; one end of the air inlet pressure angle cock is used for being connected and communicated with the air outlet end of the air pressure meter; one end of the air outlet pipe is used for being connected and communicated with one end, far away from the air pressure meter, of the air outlet pressure angle cock; the synchronous control piece is connected with the air inlet pressure angle cock and the air outlet pressure angle cock to control the air inlet pressure angle cock and the air outlet pressure angle cock to be opened or closed synchronously, and therefore the air pressure meter can display the air pressure value of the air outlet, the structure is simple, use is convenient, and the needed air pressure can be effectively determined.

Description

Technical Field

[0001] The utility model relates to the technical field of locomotive maintenance, in particular to a special adjustable air pressure purging device for locomotives. Background Technique

[0002] The main function of the intake system of diesel locomotives is to filter out impurities such as dust and water droplets in the air, supply sufficient and clean air to the diesel engine, and reduce the wear of pistons, cylinder liners, valves, etc. It is an important protection device for diesel engines. In the sandy and windy areas in the north, the paper filter of the intake system needs to be purged and maintained every 1000 kilometers of locomotive operation. The highest requirement for the purging air pressure is compressed air of 200 KPa to clean the filter element from the inside to the outside. The current total air pressure of the locomotive is generally 750 - 900 KPa for purging, often causing damage to the paper filter element and increasing the operation cost of the equipment. Most contactors of locomotive electrical appliances have the characteristics of flexible operation and high reliability. For daily maintenance of each component of the electrical appliances, it is required to be cleaned thoroughly and installed correctly. The cleaning and inspection need to be purged with compressed air of 200 - 300 KPa, while the current total air pressure of the locomotive is generally 750 - 900 KPa for purging, causing the locomotive electrical appliances to often malfunction or be damaged due to excessive purging air pressure. Content of the Utility Model

[0003] The purpose of the utility model is to provide a special adjustable air pressure purging device for locomotives to solve the problems existing in the above-mentioned prior art. The structure is simple, easy to use, and can effectively determine the required air pressure.

[0004] To achieve the above purpose, the utility model provides the following scheme:

[0005] The utility model provides a special adjustable air pressure purging device for locomotives, including: an air pressure gauge, an inlet air pressure angle cock, an outlet air pressure angle cock, an outlet air pipe, and a synchronous control member. One end of the inlet air pressure angle cock is used to be connected and communicated with the air inlet end of the air pressure gauge; one end of the inlet air pressure angle cock is used to be connected and communicated with the air outlet end of the air pressure gauge; one end of the outlet air pipe is used to be connected and communicated with the end of the outlet air pressure angle cock far away from the air pressure gauge, and the other end is an air outlet; the synchronous control member is respectively connected with the inlet air pressure angle cock and the outlet air pressure angle cock to control the synchronous opening or closing of the inlet air pressure angle cock and the outlet air pressure angle cock, so as to enable the air pressure gauge to display the air pressure value at the air outlet.

[0006] Preferably, the synchronous control member includes a connecting rod. The inlet air pressure angle cock is provided with a first handle, the outlet air pressure angle cock is provided with a second handle, one end of the connecting rod is rotatably connected with the first handle, and the other end is rotatably connected with the second handle.

[0007] Preferably, it further includes a first rotating bearing and a second rotating bearing. The first rotating bearing is arranged at the tail end of the first handle, and the second rotating bearing is arranged at the tail end of the second handle. One end of the connecting rod is rotatably connected to the first handle through the first rotating bearing, and the other end is rotatably connected to the second handle through the second rotating bearing.

[0008] Preferably, the connecting rod is arranged parallel to the line connecting the inlet air pressure angle cock and the outlet air pressure angle cock, and the distance between the first rotating bearing and the second rotating bearing is equal to the distance between the central valves of the inlet air pressure angle cock and the outlet air pressure angle cock.

[0009] Preferably, it further includes an adjusting handle, and the adjusting handle is vertically and fixedly connected to the connecting rod.

[0010] Preferably, it further includes a quick connector. One end of the quick connector is used to connect and communicate with the end of the inlet air pressure angle cock away from the air pressure gauge, and the other end of the quick connector is used to connect and communicate with the air source pipeline.

[0011] Preferably, the outlet air pipe is an insulating nylon pipe.

[0012] The utility model has achieved the following technical effects compared with the prior art:

[0013] The utility model provides a locomotive special adjustable air pressure purging device. By arranging an air pressure gauge at the front end of the outlet air pipe, arranging an inlet air pressure angle cock and an outlet air pressure angle cock at both ends of the air pressure gauge respectively, and controlling the inlet air pressure angle cock and the outlet air pressure angle cock to switch synchronously and blow air synchronously through a synchronous control member, the air pressure value at the air outlet can be displayed by the air pressure gauge. The structure is simple, the use is convenient, and the required air pressure can be effectively determined. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 It is a schematic structural diagram of the locomotive special adjustable air pressure purging device provided by the present invention;

[0016] In the figure: 1, air pressure gauge; 2, inlet air pressure angle cock; 3, outlet air pressure angle cock; 4, quick connector; 5, first handle; 6, second handle; 7, second rotating bearing; 8, connecting rod; 9, adjusting handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, in combination with the accompanying drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0018] The purpose of the present utility model is to provide a special adjustable air pressure purging device for locomotives to solve the problems existing in the above-mentioned prior art. It has a simple structure, is easy to use, and can effectively determine the required air pressure.

[0019] To make the above-mentioned objects, features, and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below in combination with the accompanying drawings and specific embodiments.

[0020] The present utility model provides a special adjustable air pressure purging device for locomotives, as Figure 1 shown, including: a pressure gauge 1, an inlet air pressure angle cock 2, an outlet air pressure angle cock 3, an outlet air pipe, and a synchronous control member. One end of the inlet air pressure angle cock 2 is used to be connected and communicated with the air inlet end of the pressure gauge 1; one end of the inlet air pressure angle cock 2 is used to be connected and communicated with the air outlet end of the pressure gauge 1; one end of the outlet air pipe is used to be connected and communicated with the end of the outlet air pressure angle cock 3 away from the pressure gauge 1, and the other end is the air outlet; the synchronous control member is respectively connected to the inlet air pressure angle cock 2 and the outlet air pressure angle cock 3 to control the synchronous opening or closing of the inlet air pressure angle cock 2 and the outlet air pressure angle cock 3, so that the pressure gauge 1 can display the air pressure value at the air outlet.

[0021] In a preferred embodiment, the maximum range of the pressure gauge 1 is 1000 kpa.

[0022] In a preferred embodiment, the synchronous control member includes a connecting rod 8. The inlet air pressure angle cock 2 is provided with a first handle 5, and the outlet air pressure angle cock 3 is provided with a second handle 6. One end of the connecting rod 8 is rotatably connected to the first handle 5, and the other end is rotatably connected to the second handle 6. It has a simple structure and is easy to use. Preferably, the connecting rod 8 is made of a stainless steel plate with a thickness of 2 mm, and the length of the connecting rod 8 is 220 mm and the width is 12 mm.

[0023] In a preferred embodiment, the special adjustable air pressure purging device for locomotives further includes a first rotating bearing and a second rotating bearing 7. The first rotating bearing is arranged at the tail end of the first handle 5, and the second rotating bearing 7 is arranged at the tail end of the second handle 6. One end of the connecting rod 8 is rotatably connected to the first handle 5 through the first rotating bearing, and the other end is rotatably connected to the second handle 6 through the second rotating bearing 7. It has a simple structure and is convenient to obtain materials.

[0024] In a preferred embodiment, the connecting rod 8 is arranged parallel to the line connecting the inlet air pressure folding angle cock 2 and the outlet air pressure folding angle cock 3, and the distance between the first rotating bearing and the second rotating bearing 7 is equal to the distance between the central valves of the inlet air pressure folding angle cock 2 and the outlet air pressure folding angle cock 3. Preferably, the distance between the central valves of the inlet air pressure folding angle cock 2 and the outlet air pressure folding angle cock 3 is 180 mm, effectively ensuring the synchronization of the movement of the connecting rod 8 to drive the opening or closing of the inlet air pressure folding angle cock 2 and the outlet air pressure folding angle cock 3.

[0025] In a preferred embodiment, the locomotive special adjustable air pressure purging device further includes an adjusting handle 9, and the adjusting handle 9 is vertically and fixedly connected to the connecting rod 8, with a simple structure and convenient use.

[0026] In a preferred embodiment, the locomotive special adjustable air pressure purging device further includes a quick coupling 4. One end of the quick coupling 4 is used to connect and communicate with the end of the inlet air pressure folding angle cock 2 away from the air pressure gauge 1, and the other end of the quick coupling 4 is used to connect and communicate with the air source pipeline. It has a simple structure and convenient use, and can be quickly connected to the quick coupling 4 of the air source pipeline.

[0027] In a preferred embodiment, the outlet air pipe is an insulating nylon pipe to prevent touch short - circuit accidents when purging electrical components.

[0028] In the present utility model, specific examples are used to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A locomotive-specific adjustable air pressure purge device, characterized in that: include: Wind pressure gauge, An air inlet pressure angle plug door, one end of which is used to be connected and communicated with the air inlet end of the air pressure gauge; An outlet air pressure angle plug door, one end of the inlet air pressure angle plug door is used to be connected and communicated with the outlet end of the air pressure gauge; An air outlet pipe, one end of which is used to be connected and communicated with an end of the outlet air pressure angle plug door away from the wind pressure gauge, and the other end is an air outlet; and A synchronous control component, wherein the synchronous control component is respectively connected to the air inlet pressure angle plug door and the air outlet pressure angle plug door to control the synchronous opening or closing of the air inlet pressure angle plug door and the air outlet pressure angle plug door, so that the wind pressure gauge can display the wind pressure value of the air outlet.

2. The locomotive-specific adjustable air pressure blowing device according to claim 1 is characterized in that: The synchronous control component includes a connecting rod, the air inlet pressure angle plug door is provided with a first handle, the air outlet pressure angle plug door is provided with a second handle, one end of the connecting rod is rotatably connected to the first handle, and the other end is rotatably connected to the second handle.

3. The locomotive-specific adjustable air pressure blowing device according to claim 2 is characterized in that: It also includes a first rotating bearing and a second rotating bearing, wherein the first rotating bearing is arranged at the tail end of the first handle, and the second rotating bearing is arranged at the tail end of the second handle, one end of the connecting rod is rotatably connected to the first handle through the first rotating bearing, and the other end is rotatably connected to the second handle through the second rotating bearing.

4. The locomotive-specific adjustable air pressure blowing device according to claim 3 is characterized in that: The connecting rod is arranged parallel to the line between the inlet pressure angle plug gate and the outlet pressure angle plug gate, and the distance between the first rotating bearing and the second rotating bearing is equal to the spacing between the central valves of the inlet pressure angle plug gate and the outlet pressure angle plug gate.

5. The locomotive-specific adjustable air pressure blowing device according to claim 4 is characterized in that: It also includes an adjustment handle, which is vertically fixedly connected to the connecting rod.

6. The locomotive-specific adjustable air pressure blowing device according to claim 1 is characterized in that: It also includes a quick connector, one end of which is used to connect and communicate with the end of the air inlet pressure angle plug door away from the wind pressure gauge, and the other end of the quick connector is used to connect and communicate with the air source pipeline.

7. The locomotive-specific adjustable air pressure blowing device according to claim 1 is characterized in that: The air outlet pipe is an insulating nylon pipe.

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