Rail transit vehicle body deflection measuring device

Abstract

The utility model discloses a rail transit vehicle body deflection measuring device which comprises an auxiliary measuring module, a floating ball water column reading module and a water injection module. The floating ball water column reading module comprises a transparent pipe body with scales, the upper end of the transparent pipe body is provided with a leakage-proof cover with an air outlet hole, a floating ball is arranged in the transparent pipe body, water can be injected into the transparent pipe body, and the lower end of the transparent pipe body is connected with the water injection module through a mounting pipeline; the water injection module comprises a switch valve connected with the mounting pipeline; an auxiliary measuring module is installed on the installation pipeline in an inserted mode and comprises an auxiliary piece bent by 90 degrees, a strip-shaped hole is formed in the longitudinal face of the auxiliary piece, a horizontal measuring instrument is installed on the transverse face of the auxiliary piece, and the transparent pipe body is perpendicular to the horizontal measuring instrument. According to the product, a series of repair and rework operations caused by the fact that the deflection of the vehicle body does not meet the design requirement due to non-standard personnel operation or large data reading error in the deflection measurement process in the prior art can be reduced. And the manufacturing cost, the time cost and the resource waste of enterprises are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of rail vehicle measurement, in particular to a rail transit vehicle body deflection measuring device. Background Art

[0002] Aluminum alloy car bodies are the core components of rail transit vehicles. The deflection preset in the manufacturing process needs to be guaranteed by tooling, and deflection measurement is also required. The accuracy of deflection measurement is the most important basis for determining whether the deflection value of the whole vehicle meets the technical conditions of car body manufacturing after the car body assembly welding is completed. The qualification of the car body deflection directly affects the safety of the car body operation process. The setting of the car body deflection is to provide a buffer for elastic deformation of the car body when carrying passengers. Therefore, the accuracy of deflection measurement in the car body production stage is particularly important. The rationality of the measuring device, the standardization of the measurement process and the error of the measurement reading are all the reasons for the inaccurate deflection value of the car body. The instability of deflection measurement, rework, repair and repeated measurement after the deflection size exceeds the tolerance have greatly increased the production cost. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a vehicle body deflection measuring device which can reduce production costs, reduce resource waste, and improve measurement accuracy.

[0004] The utility model discloses a rail transit vehicle body deflection measuring device, which comprises an auxiliary measurement module, a float water column reading module and a water injection module;

[0005] The float water column reading module comprises a transparent tube with a scale, the upper end of the transparent tube is provided with a leak-proof cover with an air outlet, a float is provided in the transparent tube, the transparent tube can be injected with water, and the lower end of the transparent tube is connected to the water injection module through an installation pipeline;

[0006] The water injection module includes a switch valve connected to the installation pipeline;

[0007] An auxiliary measuring module is installed on the installation pipe, and the auxiliary measuring module includes an auxiliary piece bent at 90 degrees, and a strip hole is arranged on the longitudinal surface of the auxiliary piece. A level measuring instrument is installed on the transverse surface of the auxiliary piece, and the transparent tube body is arranged vertically to the level measuring instrument.

[0008] According to some embodiments of the present invention, the level measuring instrument is a strip-type bubble level measuring instrument.

[0009] According to some embodiments of the utility model, left and right mounting holes for mounting a strip-type bubble level measuring instrument are provided on the lateral surface of the auxiliary sheet.

[0010] According to some embodiments of the utility model, a positioning boss for positioning the strip-type bubble level measuring instrument is provided on the transverse surface of the auxiliary sheet.

[0011] According to some embodiments of the present invention, a boss corresponding to the lowest position of the strip-shaped hole is provided on the longitudinal surface of the auxiliary sheet.

[0012] According to some embodiments of the present invention, the auxiliary sheet is formed by folding and bending a strip plate.

[0013] According to some embodiments of the utility model, the installation pipeline includes an outer tube and an inner tube, the transparent tube body passes through the outer tube, and is installed on the inner tube after a leak-proof rubber ring is sleeved on the outer tube.

[0014] According to some embodiments of the utility model, a positioning hole is provided on the transverse surface of the auxiliary piece, and the positioning hole passes through the external tube and is fixedly installed between the external tube and the internal tube.

[0015] According to some embodiments of the present invention, the outer surfaces of the outer tube and the inner tube are provided with mounting nuts.

[0016] According to some embodiments of the present invention, the other end of the switch valve is connected to a quick-connect connector.

[0017] The utility model has at least the following beneficial effects: when measuring, the auxiliary sheet is fitted with the side beam of the vehicle body, thereby effectively playing a limiting role; a strip hole is set on the longitudinal surface of the auxiliary sheet, and during measurement, it can be observed through the strip hole whether the measuring device is completely close to the outer surface of the vehicle body, and the device is also equipped with a level measuring instrument to check whether the measuring tool is completely perpendicular to the side beam of the vehicle body. When measuring the deflection, it is only necessary to open the switch valve to start injecting water into the transparent tube body. After the water is injected, the float in the transparent tube body will float up, and when the float reaches a static state, the reading can be read. The reading position is the tangent position between the edge of the float and the scale on the transparent tube body, and the tangent position reading is clearer and more accurate. Compared with the existing technology, the utility model has good versatility and can be applied to the deflection measurement of various rail transit vehicles such as A-type subway, B-type subway, L-type subway, intercity EMU, etc. after the body is assembled or welded. It can be used in different models and different working environments. This product can reduce the irregular operation of personnel or large data reading errors in the previous deflection measurement process, resulting in a series of repairs and reworks that do not meet the design requirements, thereby reducing the manufacturing cost, time cost and resource waste of enterprises.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of another direction of the utility model;

[0022] Figure 3 This is a schematic diagram of the auxiliary sheet structure of the utility model;

[0023] Figure 4 This is an expanded view of the auxiliary sheet of the utility model. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and 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 only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0027] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0028] Reference Figure 1 , Figure 2A rail transit vehicle body deflection measuring device includes an auxiliary measurement module 1, a float water column reading module 2 and a water injection module 3; the float water column reading module 2 includes a transparent tube body 21 with a scale, and a leak-proof cover 22 with an air outlet 23 is provided at the upper end of the transparent tube body 21. The air outlet 23 is only reserved with a 5mm hole on the leak-proof cover to prevent the water stored in the transparent tube body 21 from leaking and overflowing from the air outlet 23. A float 24 is provided in the transparent tube body 21, and the float 24 can be red, so as to facilitate clear and accurate readings. The transparent tube body 21 can be injected with water, and the lower end of the transparent tube body 21 is connected to the water injection module 3 through the installation pipeline 4; the water injection module 3 includes a switch valve 32 connected to the installation pipeline 4.

[0029] Reference Figure 3 An auxiliary measuring module 1 is installed on the installation pipe 4, and the auxiliary measuring module 1 includes an auxiliary piece 11 bent at 90 degrees, a strip hole 12 is provided on the longitudinal surface 111 of the auxiliary piece 11, and a level measuring instrument 13 is installed on the transverse surface 112 of the auxiliary piece 11, and the transparent tube body 21 is vertically arranged with the level measuring instrument 13.

[0030] For the convenience of installation, the level gauge 13 is a strip-type bubble level gauge. The transverse surface 112 of the auxiliary sheet 11 is provided with left and right mounting holes 14 and 15 for mounting the strip-type bubble level gauge. The transverse surface 112 of the auxiliary sheet 11 is provided with a positioning boss 17 for positioning the strip-type bubble level gauge. During installation, the mounting holes at both ends of the strip-type bubble level gauge are aligned with the left and right mounting holes 14 and 15 on the auxiliary sheet 11, and the strip-type bubble level gauge can be fixed to the auxiliary sheet 11 using bolts. The transparent tube body 21 is arranged vertically with the level gauge 13, and the strip-type bubble level gauge can be used to determine whether the water column is placed vertically during deflection measurement.

[0031] The longitudinal surface 111 of the auxiliary sheet 11 is provided with a boss 18 corresponding to the lowest position of the strip hole 12, so as to facilitate position positioning.

[0032] Reference Figure 4 , is an unfolded view of the auxiliary sheet 11, and the auxiliary sheet 11 is formed by folding and bending a strip plate, so as to ensure the working strength of the product.

[0033] The installation pipe 4 includes an outer tube 41 and an inner tube 42. The transparent tube body 21 passes through the outer tube 41. A leak-proof rubber ring is sleeved on the outer tube 41 and then installed on the inner tube 42, thereby ensuring that no water leakage occurs after installation.

[0034] A positioning hole 16 is provided on the transverse surface 112 of the auxiliary piece 11 , and the positioning hole 16 passes through the external pipe 41 and is fixedly installed between the external pipe 41 and the internal pipe 42 , so as to facilitate installation.

[0035] The outer surfaces of the outer tube 41 and the inner tube 42 are provided with mounting nuts, and the outer tube 41 and the inner tube 42 can be installed by turning the mounting nuts with a wrench, which is convenient to use.

[0036] The other end of the switch valve 32 is connected to a quick connector 31. During the measurement process, water can be injected by connecting the water pipe through the quick connector 31 and opening the switch valve 32, which is convenient and quick.

[0037] During measurement, the auxiliary sheet 11 is fitted with the side beam of the vehicle body, thereby effectively playing a limiting role; a strip hole 12 is provided on the longitudinal surface 111 of the auxiliary sheet 11, through which it can be observed whether the measuring device is completely close to the outer surface of the vehicle body during measurement. The device also has a level measuring instrument 13, which can check whether the measuring tool is completely perpendicular to the side beam of the vehicle body. When measuring the deflection, it is only necessary to open the switch valve 32 to start injecting water into the transparent tube body 21. After the water is injected, the float 24 in the transparent tube body 21 will float up. When the float 24 reaches a stationary state, the reading can be read. The reading position is the tangent position between the edge of the float 24 and the scale on the transparent tube body 21. The tangent position reading is clearer and more accurate. Compared with the existing technology, the utility model has good versatility and can be applied to the deflection measurement of various rail transit vehicles such as A-type subway, B-type subway, L-type subway, intercity EMU, etc. after the body is assembled or welded. It can be used in different models and different working environments. This product can reduce the irregular operation of personnel or large data reading errors in the previous deflection measurement process, resulting in a series of repairs and reworks that do not meet the design requirements, thereby reducing the manufacturing cost, time cost and resource waste of enterprises.

[0038] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A rail transit vehicle body deflection measuring device, characterized in that: It comprises an auxiliary measurement module (1), a float water column reading module (2) and a water injection module (3); The float water column reading module (2) comprises a transparent tube body (21) with scales, the upper end of the transparent tube body (21) is provided with a leak-proof cover (22) with an air outlet (23), a float ball (24) is provided in the transparent tube body (21), the transparent tube body (21) can be injected with water, and the lower end of the transparent tube body (21) is connected to the water injection module (3) through an installation pipe (4); The water injection module (3) comprises a switch valve (32) connected to the installation pipeline (4); An auxiliary measuring module (1) is installed on the installation pipe (4) by plugging, and the auxiliary measuring module (1) comprises an auxiliary sheet (11) bent at 90 degrees, a strip hole (12) is provided on a longitudinal surface (111) of the auxiliary sheet (11), a level measuring instrument (13) is installed on a transverse surface (112) of the auxiliary sheet (11), and the transparent tube body (21) is arranged vertically to the level measuring instrument (13).

2. A rail transit vehicle body deflection measuring device according to claim 1, characterized in that: The level measuring instrument (13) is a strip-type bubble level measuring instrument.

3. A rail transit vehicle body deflection measuring device according to claim 2, characterized in that: The lateral surface (112) of the auxiliary sheet (11) is provided with left and right mounting holes (14, 15) for mounting a strip-type bubble level measuring instrument.

4. A rail transit vehicle body deflection measuring device according to claim 3, characterized in that: A positioning boss (17) for positioning the strip-type bubble level measuring instrument is provided on the transverse surface (112) of the auxiliary sheet (11).

5. The rail transit vehicle body deflection measuring device according to claim 1, characterized in that: A boss (18) corresponding to the lowest position of the strip-shaped hole (12) is provided on the longitudinal surface (111) of the auxiliary plate (11).

6. The rail transit vehicle body deflection measuring device according to claim 1, characterized in that: The auxiliary sheet (11) is a strip-shaped plate formed by folding and bending.

7. The rail transit vehicle body deflection measuring device according to claim 1, characterized in that: The installation pipe (4) comprises an external pipe (41) and an internal pipe (42); the transparent pipe body (21) passes through the external pipe (41); a leak-proof rubber ring is sleeved on the external pipe (41) and then installed on the internal pipe (42).

8. A rail transit vehicle body deflection measuring device according to claim 7, characterized in that: A positioning hole (16) is provided on the transverse surface (112) of the auxiliary plate (11), and the positioning hole (16) passes through the external tube (41) and is fixedly installed between the external tube (41) and the internal tube (42).

9. The rail transit vehicle body deflection measuring device according to claim 7, characterized in that: The outer surfaces of the outer tube (41) and the inner tube (42) are provided with mounting nuts.

10. The rail transit vehicle body deflection measuring device according to claim 1, characterized in that: The other end of the switch valve (32) is connected to a quick-connect connector (31).

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