Locomotive axle box inertia measurement device

Abstract

The utility model relates to a locomotive axle box inertia measuring device, which relates to the technical field of railway maintenance, and comprises an inertia measuring device body, an inertia measuring device, a controller and a controller, the mounting part is provided with a containing space, and the inertial measurement device body is located in the containing space and used for being connected with the end face of the locomotive axle box; the connecting part is connected with the mounting part and the end face of the locomotive axle box. According to the locomotive axle box inertia measurement device provided by the embodiment of the invention, the accommodating space is arranged through the mounting part, the inertia measurement device body is arranged in the accommodating space and is connected with the end face of the locomotive axle box through the mounting part, the mounting mode is simple and reliable, and the internal structure of the locomotive axle box does not need to be changed; normal work of the locomotive axle box is not affected, additional accessories are not added, the device and the locomotive axle box are good in integrity, the motion state of the locomotive axle box can be directly reflected, and the measurement result is accurate and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of railway locomotive maintenance, in particular to a locomotive axle box inertia measurement device. Background Art

[0002] Existing installation methods for locomotive axlebox inertial measurement include embedded installation and suspended installation. Embedded installation embeds the inertial measurement device into the internal structure of the locomotive axlebox, making it an integral part of the axlebox. For example, patent publication number CN116734822A discloses a method for installing and inspecting an optical gyrocompass inertial measurement device. This patent provides an installation and inspection method for an optical gyrocompass inertial measurement device. The method generally includes the steps of providing an inertial measurement device base; preparing measuring instruments including a standard ruler and a weight line; placing the installation template on the base mounting surface; aligning the bow and stern markings on the front and rear installation templates with the bow and stern markings on the base; and then drilling the installation holes. In other words, the measurement device disclosed in the above patent embeds the inertial measurement device into the internal structure of the locomotive axlebox via the inertial measurement device base.

[0003] However, embedded installation requires planning and design during the axlebox design phase, which increases manufacturing difficulty and cost, and complicates maintenance. Furthermore, since the inertial measurement unit is not mounted on the axlebox, the measured motion parameters of the locomotive axlebox are subject to deviations and cannot accurately reflect the operating status of the locomotive axlebox. Utility Model Content

[0004] The utility model provides an inertia measurement device for a locomotive axle box, which can at least solve the technical problem that a suspension installation method needs to ensure the stability and reliability of the installation of a suspension accessory (inertia measurement device), and when the inertia measurement device is not installed on the axle box, the motion parameters of the locomotive axle box measured have deviations and cannot accurately reflect the operating status of the locomotive axle box.

[0005] The technical solution of the utility model is as follows:

[0006] A locomotive axle box inertia measurement device, the locomotive axle box inertia measurement device comprising:

[0007] The inertial measurement device body is used to measure the inertia of the locomotive axle box;

[0008] at least one mounting portion having a receiving space, wherein the inertial measurement device body is located in the receiving space and is configured to be connected to an end surface of a locomotive axle box;

[0009] A connecting portion connects the mounting portion and an end surface of the locomotive axle box.

[0010] In one embodiment, the mounting portion includes: a mounting base and a housing;

[0011] The shell is connected to the first surface of the mounting base and forms the accommodation space;

[0012] The second surface of the mounting base is used to connect with the end surface of the locomotive axle box;

[0013] The first surface is opposite to the second surface.

[0014] In one embodiment, the housing includes a horizontal connecting surface and a curved connecting surface;

[0015] The curved connecting surface is bent to form a cylindrical space, the horizontal connecting surface is connected to a first end of the cylindrical space, and the second end of the cylindrical space is connected to the mounting base.

[0016] In one embodiment, the horizontal connecting surface includes a first connecting surface and a second connecting surface that are overlapped, and the second connecting surface is connected to the curved connecting surface;

[0017] The area of ​​the first connecting surface is smaller than that of the second connecting surface. A step is formed between the first connecting surface and the second connecting surface. The connecting portion connects the mounting portion and the end surface of the locomotive axle box via the step.

[0018] In one embodiment, the first connecting surface includes a protruding portion and a recessed portion, the recessed portion and the second connecting surface form a step, and the connecting portion connects the mounting portion and the end surface of the locomotive axle box via the step.

[0019] In one embodiment, a mounting hole is formed on the mounting portion, and the mounting portion is bolted to the inertial measurement device body through the mounting hole.

[0020] In one embodiment, an aviation plug is further included, and a connecting port is provided on the mounting portion, and the aviation plug is connected to the mounting portion through the connecting port.

[0021] In one embodiment, the mounting portion further includes an anti-drop rope, one end of which is connected to the housing, and the other end of which is used to be connected to the locomotive axle box.

[0022] In one embodiment, the mounting base is a cylindrical base or a rectangular base.

[0023] In one embodiment, the mounting portion further comprises a sealing gasket;

[0024] A sealing groove is provided along the connection between the mounting base and the shell, and the sealing gasket is located in the sealing groove.

[0025] Compared with the prior art, the locomotive axle box inertia measurement device provided in the embodiment of the present application has an accommodation space set by a mounting portion, the inertia measurement device body is set in the accommodation space, and is connected to the end face of the locomotive axle box through the mounting portion. The installation method is simple and reliable, does not require changes to the internal structure of the locomotive axle box, does not affect the normal operation of the locomotive axle box, and does not add additional accessories. The device provided in the present application has good integrity with the locomotive axle box, can directly reflect the movement state of the locomotive axle box, and the measurement results are accurate and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be described in more detail below based on embodiments with reference to the accompanying drawings.

[0027] Figure 1 It is a side structural diagram of a locomotive axle box inertia measurement device in one embodiment of the utility model.

[0028] Figure 2 It is a front and side structural diagram of a locomotive axle box inertia measurement device in one embodiment of the utility model.

[0029] Figure 3 It is a side structural diagram of a locomotive axle box inertia measurement device in another embodiment of the present utility model.

[0030] Figure 4 It is a front and side structural diagram of a locomotive axle box inertia measurement device in another embodiment of the present utility model.

[0031] Reference numerals:

[0032] 1: Mounting base; 2: Housing; 3: Anti-drop rope; 4: Inertial measurement unit body; 5: Aviation plug;

[0033] 6: Sealing gasket; 7: Stud. DETAILED DESCRIPTION

[0034] The present invention will be further described below with reference to the accompanying drawings.

[0035] Existing installation methods for locomotive axle box inertia measurement include embedded installation and suspended installation. Embedded installation is to embed the inertial measurement device into the internal structure of the locomotive axle box device so that it becomes an integral part with the axle box. However, embedded installation requires planning and design during the design phase of the axle box device, which relatively increases the manufacturing difficulty and cost, and the maintenance and upkeep of the device are more troublesome. The suspended installation uses an elastic suspension device to suspend the inertial measurement device near the locomotive axle box so that it maintains a certain distance from the locomotive axle box. However, the suspended installation method needs to ensure the stability and reliability of the installation of the suspension accessories (inertial measurement device), and the inertial measurement device is not installed on the axle box. The measured motion parameters of the locomotive axle box have deviations and cannot accurately reflect the operating status of the locomotive axle box. Based on this, an embodiment of the utility model provides another locomotive axle box inertia measurement device.

[0036] See Figures 1-4 The present application provides a locomotive axle box inertia measurement device, which includes: an inertia measurement device body 4, at least one mounting portion and a connecting portion, wherein the inertia measurement device body 4 is used to perform inertia measurement on the locomotive axle box; at least one mounting portion has an accommodating space, the inertia measurement device body 4 is located in the accommodating space, and is used to be connected to the end face of the locomotive axle box; the connecting portion connects the mounting portion and the end face of the locomotive axle box.

[0037] The locomotive axle box inertia measurement device provided in the embodiment of the present application is provided with a receiving space through the mounting portion, the inertia measurement device body 4 is arranged in the receiving space, and is connected to the end face of the locomotive axle box through the mounting portion. The installation method is simple and reliable, does not require changes to the internal structure of the locomotive axle box, does not affect the normal operation of the locomotive axle box, and does not add additional accessories. The device provided in the present application has good integrity with the locomotive axle box, can directly reflect the movement state of the locomotive axle box, and the measurement results are accurate and reliable.

[0038] The device provided by the embodiment of the present invention will be further explained and illustrated below through optional embodiments.

[0039] The inertial measurement device body 4 is an inertia surveying system, which uses inertial sensitive elements such as gyroscopes and accelerometers and electronic computers to measure the acceleration of the vehicle relative to the ground in real time to determine the position of the vehicle and the parameters of the earth's gravity field.

[0040] The locomotive axle box is a component on railway locomotives and vehicles that is mounted on the locomotive axle neck to connect the wheelset and bogie frame or two-axle vehicle body. It is referred to as the locomotive axle box.

[0041] It should be noted that the embodiment of the present application may provide one or two mounting parts. When there are two mounting parts, the two mounting parts are respectively installed on the two end faces of the locomotive axle box to achieve inertia measurement of the locomotive axle box.

[0042] See Figure 1 and Figure 2 , Figure 1 and Figure 2 This is a schematic diagram of the structure of the device provided in an embodiment of the present application installed on one end face of a locomotive axle box. Figure 3 and Figure 4 This is a schematic diagram of the structure of the device provided in the embodiment of the present application installed on the other end face of the locomotive axle box. Based on the different shapes of the end covers of the two end faces of the locomotive axle box, the embodiment of the present application sets a mounting base 1 of different shapes. Figure 1 and Figure 2 The shape of the mounting base 1 is circular. Figure 3 and Figure 4 The shape of the mounting base 1 is rectangular.

[0043] In an optional embodiment, the mounting portion includes: a mounting base 1 and a shell 2; the shell 2 is connected to the first surface of the mounting base 1 and forms a receiving space; the second surface of the mounting base 1 is used to connect to the end surface of the locomotive axle box; the first surface is opposite to the second surface.

[0044] In an optional embodiment, the mounting base 1 is a cylindrical base or a rectangular base. It is understandable that the two end faces of the locomotive axle box have different shapes. The device provided by the present application can set the shape of the mounting base 1 according to the different end faces of the locomotive axle box, and the shape of the mounting base 1 is the same as the shape of the end cover of the locomotive axle box. That is, when the mounting base 1 provided by the embodiment of the present application is used, the end cover of the end face of the locomotive axle box can be replaced. When the device provided by the embodiment of the present application is installed on the locomotive axle box, the end cover of the locomotive axle box can be directly removed and the mounting base 1 can be installed with the end face of the locomotive axle box. The installation is simple and convenient, saving time.

[0045] In an optional embodiment, bolt holes are provided on the mounting base 1, and the mounting base 1 is connected to the axial end face of the locomotive via bolts 7. Furthermore, the bolt holes of the mounting base 1 in this embodiment of the present invention are identical to the original bolt holes of the end cover of the locomotive axle box, eliminating the need for additional bolt holes. This saves installation steps and makes installation simple and reliable.

[0046] In an optional embodiment, the shell 2 includes a horizontal connecting surface and a curved connecting surface; the curved connecting surface is bent to form a cylindrical space, the horizontal connecting surface is connected to the first end of the cylindrical space, and the second end of the cylindrical space is connected to the mounting base 1.

[0047] The size and shape of the accommodation space formed by the housing 2 and the mounting base 1 provided in the embodiment of the present application can be determined according to the size and shape of the housing 2. In this embodiment, the horizontal connecting surface and the curved connecting surface of the housing 2 form a cylindrical space, and the second end of the cylindrical space and the mounting base 1 form an accommodation space.

[0048] See also Figure 1 In an optional embodiment, the horizontal connecting surface includes a first connecting surface and a second connecting surface that are overlapped, and the second connecting surface is connected to the curved connecting surface; the area of ​​the first connecting surface is smaller than the area of ​​the second connecting surface, and a step is formed between the first connecting surface and the second connecting surface, and the connecting portion is connected to the end face of the mounting portion and the locomotive axle box through the step.

[0049] In an optional embodiment, the first connecting surface includes a protruding portion and a recessed portion, the recessed portion and the second connecting surface form a step, and the connecting portion connects the mounting portion and the end surface of the locomotive axle box through the step.

[0050] In an optional embodiment, a mounting hole is provided on the mounting portion, and the mounting portion is connected to the inertial measurement device body 4 by bolts 7 through the mounting hole.

[0051] Furthermore, a mounting hole is provided on the step formed between the first connecting surface and the second connecting surface. The connecting portion includes a connecting bolt, which connects the mounting portion to the end surface of the locomotive axle box through the mounting hole. For example, the number of mounting holes can be 2, 4, or 6, and the number of corresponding connecting bolts can be the same as the number of mounting holes.

[0052] In an optional embodiment, an aviation plug 5 is further included. A connecting port is provided on the mounting portion, and the aviation plug 5 is connected to the mounting portion through the connecting port.

[0053] In an optional embodiment, the mounting portion further includes an anti-drop rope 3 , one end of which is connected to the housing 2 , and the other end of which is used to be connected to the locomotive axle box.

[0054] For example, the mounting hole may be a steel wire rope. The anti-fall rope 3 may be provided to prevent the housing 2 from falling when the locomotive is moving.

[0055] In an optional embodiment, the mounting portion further includes a sealing gasket 6 , which is located between the mounting base 1 and the housing 2 .

[0056] In an optional embodiment, a sealing groove is provided along the connection between the mounting base 1 and the housing 2 , and the sealing gasket 6 is located in the sealing groove.

[0057] While the present invention has been described with reference to preferred embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, the various technical features described in the various embodiments may be combined in any manner, provided no structural conflicts exist. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A locomotive axle box inertial measurement device, characterized in that: The locomotive axle box inertial measurement device includes: The inertial measurement device body is used to measure the inertia of the locomotive axle box; at least one mounting portion having a receiving space, wherein the inertial measurement device body is located in the receiving space and is configured to be connected to an end surface of a locomotive axle box; A connecting portion connects the mounting portion and an end surface of the locomotive axle box.

2. The locomotive axle box inertial measurement device according to claim 1, characterized in that: The mounting portion includes: a mounting base and a shell; The shell is connected to the first surface of the mounting base and forms the accommodation space; The second surface of the mounting base is used to connect with the end surface of the locomotive axle box; The first surface is opposite to the second surface.

3. The locomotive axle box inertia measurement device according to claim 2, characterized in that: The shell includes a horizontal connecting surface and a curved connecting surface; The curved connecting surface is bent to form a cylindrical space, the horizontal connecting surface is connected to a first end of the cylindrical space, and the second end of the cylindrical space is connected to the mounting base.

4. The locomotive axle box inertia measurement device according to claim 3, characterized in that: The horizontal connecting surface includes a first connecting surface and a second connecting surface that are overlapped, and the second connecting surface is connected to the curved connecting surface; The area of ​​the first connecting surface is smaller than that of the second connecting surface. A step is formed between the first connecting surface and the second connecting surface. The connecting portion connects the mounting portion and the end surface of the locomotive axle box via the step.

5. The locomotive axle box inertia measurement device according to claim 4, characterized in that: The first connecting surface includes a protruding portion and a recessed portion, the recessed portion and the second connecting surface form a step, and the connecting portion connects the mounting portion and the end surface of the locomotive axle box through the step.

6. The locomotive axle box inertia measurement device according to any one of claims 1 to 4, characterized in that: A mounting hole is formed on the mounting portion, and the mounting portion is bolted to the inertial measurement device body through the mounting hole.

7. The locomotive axle box inertia measurement device according to any one of claims 1 to 4, characterized in that: It also includes an aviation plug. The mounting portion is provided with a connecting port, and the aviation plug is connected to the mounting portion through the connecting port.

8. The locomotive axle box inertia measurement device according to claim 2, characterized in that: The mounting portion further comprises an anti-fall rope, one end of which is connected to the housing, and the other end of which is used to be connected to the locomotive axle box.

9. The locomotive axle box inertia measurement device according to claim 2, characterized in that: The mounting base is a cylindrical base or a rectangular base.

10. The locomotive axle box inertia measurement device according to claim 2, characterized in that: The mounting portion further includes a sealing gasket; A sealing groove is provided along the connection between the mounting base and the shell, and the sealing gasket is located in the sealing groove.

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