CN221006800U - Wheel weight load shedding test tool for railway vehicle - Google Patents
Wheel weight load shedding test tool for railway vehicle Download PDFInfo
- Publication number
- CN221006800U CN221006800U CN202322842250.7U CN202322842250U CN221006800U CN 221006800 U CN221006800 U CN 221006800U CN 202322842250 U CN202322842250 U CN 202322842250U CN 221006800 U CN221006800 U CN 221006800U
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- China
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- weighing instrument
- base plate
- load shedding
- backing plate
- steel rail
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 238000005303 weighing Methods 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 239000004576 sand Substances 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a wheel load shedding test fixture of a railway vehicle, which comprises a supporting floor, a base plate group and a weighing instrument, wherein the supporting floor is horizontally arranged, the upper side of the supporting plate is provided with the weighing instrument, the upper side of the weighing instrument is provided with a steel rail, the base plate group is arranged between the weighing instrument and the steel rail, the base plate group consists of a plurality of base plates stacked together, the upper surface of each base plate is provided with a convex strip, the lower surface of each base plate is provided with a groove corresponding to the position and the size of the convex strip, the adjacent base plates are clamped with the convex strips of the lower base plate through the grooves of the upper base plate, the two sides of the steel rail are also provided with pressing plates for pressing the steel rail, a leveling pad is arranged between the pressing plates and the weighing instrument, and the pressing plates, the weighing instrument and the supporting floor are connected through a penetrating bolt. When carrying out the wheel weight load shedding test, use this frock can be according to required thickness quick combination backing plate, and the sand grip of backing plate surface also is favorable to accelerating orbital installation rate simultaneously, improves the efficiency of test work.
Description
Technical Field
The utility model relates to the technical field of maintenance of railway vehicles, in particular to a wheel weight load shedding test tool for a railway vehicle.
Background
In the high-speed running process of the vehicle, wheels move up and down in the vibration process, the wheel weights among wheel pairs can be increased or reduced, and even if the lateral force on one side of the wheel weight is small, the wheel weight and the wheels can be subjected to lateral relative displacement to cause derailment. According to the requirements of the related test standard of the railway vehicles, the urban railway traffic vehicles need to carry out a wheel load relief test, and the derailment safety performance of the bogie is verified by testing the relief of the wheels.
At present, the wheel weight load shedding test is to realize the lifting of the wheels through the cushion blocks, and the vertical load of the wheels is measured by the weighing platforms below the cushion blocks. In the process, the positions of a plurality of backing plates need to be aligned, a large amount of manpower and material resources need to be consumed, the clamping process is time-consuming and labor-consuming, and meanwhile, the backing plates are large and easy to tilt, so that the test result is influenced.
Disclosure of Invention
The utility model provides a wheel weight load shedding test tool for a railway vehicle, which aims to solve the problems of high average rescue cost and overlong time consumption in the prior railway vehicle fault, and has the following specific technical scheme:
The utility model provides a wheel weight load shedding test fixture of rail vehicle, including supporting baseplate, backing plate group and weighing instrument, supporting baseplate level is placed, and the upside of backup pad is equipped with the weighing instrument, and the upside of weighing instrument is equipped with the rail, and the backing plate group is established between weighing instrument and rail, and the backing plate group comprises the backing plate that the polylith is piled up together, and the upper surface of every backing plate all is equipped with the sand grip, and the lower surface of every backing plate all is equipped with the recess that corresponds with sand grip position, size, through the recess at the upper backing plate and the sand grip joint at the lower bolster between the adjacent backing plate, the both sides of rail still are equipped with the clamp plate that is used for compressing tightly the rail.
Further, a leveling pad is arranged between the pressing plate and the weighing instrument, and the pressing plate, the weighing instrument and the supporting bottom plate are connected through a penetrating bolt.
Further, the number of the convex strips is two, and the distance between the inner sides of the convex strips is the same as the width of the lower end of the steel rail.
Further, the pressing plate, the weighing instrument and the supporting bottom plate are all connected with the bolts through threads, and each bolt is screwed by using a torque wrench during installation.
The utility model has the beneficial effects that:
1. When carrying out the wheel weight load shedding test, use this frock can be according to required thickness quick combination backing plate, and the sand grip of backing plate surface also is favorable to accelerating orbital installation rate simultaneously, improves the efficiency of test work.
2. When the device is assembled, the pretightening force of each bolt is the same through the torque wrench, so that the rail or the backing plate is prevented from deforming to influence the test result or safety accidents.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
1. FIG. 1 is a schematic structural view of a wheel load shedding test fixture for a railway vehicle according to the present utility model;
2. FIG. 2 is a schematic working diagram of a wheel load shedding test fixture for a railway vehicle according to the present utility model;
3. Fig. 3 is a working schematic diagram of a wheel load shedding test fixture for a railway vehicle.
In the figure: 1. a support base plate; 2. a weighing instrument; 3. leveling pad; 4. a backing plate; 5. a steel rail; 6. a convex strip; 7. a groove; 8. a bolt; 9. and (5) pressing plates.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The utility model provides a specific embodiment of a wheel weight load shedding test fixture of the following railway vehicle:
embodiment one:
As shown in fig. 1, a wheel load shedding test fixture for a railway vehicle comprises a supporting bottom plate 1, a base plate group and a weighing instrument 2, wherein the supporting bottom plate 1 is horizontally placed, the weighing instrument 2 used for weighing in a load shedding test is arranged on the upper side of the supporting plate, a steel rail 5 is arranged on the upper side of the weighing instrument 2, the base plate group is arranged between the weighing instrument 2 and the steel rail 5, the base plate group is composed of a plurality of base plates 4 stacked together, each base plate 4 is provided with a raised line 6 on the upper surface, grooves 7 corresponding to the raised lines 6 in position and size are formed in the lower surface of each base plate 4, adjacent base plates 4 are clamped with the raised lines 6 in the grooves 7 of the upper base plate 4 and the lower base plate 4, each base plate group can only comprise one base plate 4, pressing plates 9 used for pressing the steel rail 5 are arranged on two sides of the steel rail 5, leveling pads 3 are further arranged between the pressing plates 9 and the weighing instrument 2, the pressing plates 9 are connected with the supporting bottom plate 1 through a through bolt 8, and the leveling pads 3 are used for leveling the pressing plates 9 and keeping the weighing instrument 2 horizontal so as to avoid the adverse influence of the weight of the pressing instrument 2 during fastening of the pressing plates 9, the weighing instrument 2 and the supporting bottom plate 1.
Further, two raised strips 6 are arranged, the distance between the inner sides of the raised strips 6 is the same as the width of the lower end of the steel rail 5, and the pressing plate 9, the weighing instrument 2 and the supporting bottom plate 1 are connected with the bolts 8 through threads, so that each bolt 8 is screwed by using a torque wrench during installation.
As shown in fig. 2-3, when the embodiment is used, after a proper amount of backing plates 4 are placed on the weighing instrument 2 according to the required test height and assembled, the steel rail 5 is placed between the convex strips 6 on the upper surface of the uppermost backing plate 4, then the pressing plate 9 is placed, the bolts 8 are screwed to fix the steel rail 5, and finally a traction trolley is used for traction of a vehicle to be tested to complete the test.
When the wheel load shedding test is carried out, the base plate 4 can be quickly combined according to the required thickness by using the tool, meanwhile, the raised strips 6 on the surface of the base plate 4 are also beneficial to accelerating the installation speed of the track, and the efficiency of test work is improved. When the device is assembled, the pretightening force of each bolt 8 is the same through the torque wrench, so that the rail or the backing plate 4 is prevented from being deformed to influence the test result or safety accidents.
Embodiment two:
In this embodiment, expansion bolts are directly used to penetrate through the pressure plate 9, the weighing scale 2 and the supporting base plate 1, and are driven into the soil under the supporting base plate 1.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (4)
1. The utility model provides a wheel weight load shedding test fixture of rail vehicle, includes supporting baseplate (1), backing plate group and weighing instrument (2), and supporting baseplate (1) level is placed, and the upside of supporting baseplate (1) is equipped with weighing instrument (2), and the upside of weighing instrument (2) is equipped with rail (5), and backing plate group establishes between weighing instrument (2) and rail (5), its characterized in that: the backing plate group comprises a plurality of backing plates (4) stacked together, the upper surface of each backing plate (4) is provided with a convex strip (6), the lower surface of each backing plate (4) is provided with a groove (7) corresponding to the position and the size of the convex strip (6), the adjacent backing plates (4) are clamped with the convex strips (6) of the lower backing plate (4) through the grooves (7) of the upper backing plate (4), and the two sides of the steel rail (5) are also provided with pressing plates (9) used for pressing the steel rail (5).
2. The wheel load shedding test fixture of a railway vehicle according to claim 1, wherein: and a leveling pad (3) is further arranged between the pressing plate (9) and the weighing instrument (2), and the pressing plate (9), the weighing instrument (2) and the supporting bottom plate (1) are connected through a penetrating bolt (8).
3. The wheel load shedding test fixture of a railway vehicle according to claim 1, wherein: the number of the raised lines (6) is two, and the distance between the inner sides of the raised lines (6) is the same as the width of the lower end of the steel rail (5).
4. The wheel load shedding test fixture of a railway vehicle according to claim 1, wherein: the pressing plate (9), the weighing instrument (2) and the supporting bottom plate (1) are all connected with the bolts (8) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322842250.7U CN221006800U (en) | 2023-10-23 | 2023-10-23 | Wheel weight load shedding test tool for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322842250.7U CN221006800U (en) | 2023-10-23 | 2023-10-23 | Wheel weight load shedding test tool for railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221006800U true CN221006800U (en) | 2024-05-24 |
Family
ID=91085869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322842250.7U Active CN221006800U (en) | 2023-10-23 | 2023-10-23 | Wheel weight load shedding test tool for railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221006800U (en) |
-
2023
- 2023-10-23 CN CN202322842250.7U patent/CN221006800U/en active Active
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| GR01 | Patent grant |