CN215448485U - Dynamometer system for rail vehicle - Google Patents
Dynamometer system for rail vehicle Download PDFInfo
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- CN215448485U CN215448485U CN202121615934.8U CN202121615934U CN215448485U CN 215448485 U CN215448485 U CN 215448485U CN 202121615934 U CN202121615934 U CN 202121615934U CN 215448485 U CN215448485 U CN 215448485U
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- dynamometer
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- rail vehicle
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Abstract
The application discloses dynamometer system for rail vehicle, dynamometer system includes: a base; the track boxes are arranged on the base, the number of the track boxes is four, the four track boxes are arranged in two rows in the first direction to define running tracks of the railway vehicle, and the two track boxes in each row are arranged at intervals in the second direction to define avoidance grooves; the dynamometer, the dynamometer is a plurality of, and is a plurality of the dynamometer sets up in pairs on the base, just the drive hub setting of dynamometer is in dodge the inslot. According to the dynamometer system for the railway vehicle, the track boxes are arranged, and the track boxes are arranged in a row to limit the running track, the avoidance groove of the driving hub and the avoidance space (the gap between two rows of running tracks) of the part, located below the running surface, of the tractor are avoided, so that the dynamometer system is suitable for the railway vehicle, and the application range of the dynamometer system is widened.
Description
Technical Field
The utility model relates to the technical field of dynamometers, in particular to a dynamometer system for a rail vehicle.
Background
In the related technology, the chassis dynamometer is widely applied to the automobile industry and is used for measuring the performances of the automobile such as dynamic property, multi-working-condition emission indexes and fuel indexes. However, the existing chassis dynamometer is suitable for the traditional road vehicle and cannot be suitable for the rail vehicle.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. To this end, it is an object of the utility model to propose a dynamometer system that enables performance tests of rail vehicles.
The dynamometer system for a rail vehicle according to an embodiment of the present application includes: a base; the track boxes are arranged on the base, the number of the track boxes is four, the four track boxes are arranged in two rows in the first direction to define running tracks of the railway vehicle, and the two track boxes in each row are arranged at intervals in the second direction to define avoidance grooves; the dynamometer, the dynamometer is a plurality of, and is a plurality of the dynamometer sets up in pairs on the base, just the drive hub setting of dynamometer is in dodge the inslot.
According to the dynamometer system for the railway vehicle, the track boxes are arranged, and the track boxes are arranged in a row to limit the running track, the avoidance groove of the driving hub and the avoidance space (the gap between two rows of running tracks) of the part, located below the running surface, of the tractor are avoided, so that the dynamometer system is suitable for the railway vehicle, and the application range of the dynamometer system is widened.
According to some embodiments of the application, the dynamometer comprises: driving motor, brake assembly, shaft coupling and driving hub, driving motor passes through the motor support to be fixed on the base, the driving hub passes through the bearing frame setting and is in on the base, the shaft coupling sets up the driving hub with between the driving motor, brake assembly sets up driving motor deviates from one of driving hub serves.
In some embodiments, the bearing seats include first and second bearing seats disposed on both the inner and outer sides of the drive hub.
Further, a torque sensor is arranged between the coupler and the driving hub.
According to some embodiments of the application, the two rows of sides of the rail box facing each other are configured as guide surfaces which cooperate with the steering wheels of the tractor of the rail vehicle, the inner side of the drive hub being flush with the guide surfaces.
Further, the dynamometer machine further includes: the driving hub baffle is located on one side, far away from the driving motor, of the driving hub, and the side face of the driving hub baffle is flush with the guide face.
In some embodiments, the brake assembly comprises: the brake disc is arranged on a motor shaft of the driving motor, and the brake caliper is fixed on the motor support.
According to some embodiments of the present application, the drive motor has a first flange on a motor housing, the first flange being connected to the motor bracket.
Further, a second flange is arranged on the coupler and used for being connected with the motor casing.
In some embodiments, a lifting mechanism is disposed within the track box, and the lifting mechanisms within the two track boxes of each column are disposed opposite to each other.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a dynamometer system engaged with a tractor according to an embodiment of the present application;
FIG. 2 is a schematic view of an assembly of a dynamometer and a base according to an embodiment of the present application;
FIG. 3 is a schematic view of a base according to an embodiment of the present application.
Reference numerals:
the operation of the dynamometer system 100, the tractor 200,
a base 10, a motor bracket 11, a bearing housing 12,
the length of the track box 20, the guide surface 21,
the dynamometer 30, the driving hub 31, the driving motor 32, the first flange 321, the brake assembly 33, the brake caliper 331, the brake disc 332, the coupling 34, the second flange 341, the torque sensor 35, the driving hub baffle 36,
a lifting mechanism 40.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
It should be noted that, in the prior art, the dynamometer of the automobile can perform a performance test on the powertrain of the vehicle, however, the components of the powertrain, the components of the transmission system, and the tires of the automobile are all located above the running surface of the automobile, and at least part of the components of the rail vehicle are located between the running rails, i.e., below the running surface.
Based on this, this application has proposed a dynamometer system for rail vehicle, and the dynamometer system of this application embodiment is applicable to rail vehicle.
A dynamometer system 100 for a rail vehicle according to an embodiment of the present invention is described below with reference to fig. 1 to 3.
As shown in fig. 1, a dynamometer system 100 for a rail vehicle according to an embodiment of the present application includes: a base 10, a track box 20, and a dynamometer 10.
The base 10 is used for fixing the track boxes 20, the dynamometers 10 and other components, the track boxes 20 are arranged on the base 10, the number of the track boxes 20 is four, the four track boxes 20 are arranged in two rows in the first direction to define running tracks of a track vehicle, the two track boxes 20 in each row are arranged at intervals in the second direction to define avoiding grooves, the number of the dynamometers 10 is multiple, the multiple dynamometers 10 are arranged on the base 10 in pairs, and the driving hubs 31 of the dynamometers 10 are arranged in the avoiding grooves.
Specifically, two track boxes 20 are arranged in a row, the upper surfaces of the track boxes 20 define a running track on one side, the other two track boxes 20 are also arranged in a row and define a running track on the other side, namely, the two rows of track boxes 20 are arranged oppositely and at intervals, and the tractor 200 of the railway vehicle can run on the running track defined by the track boxes 20, so that the tractor 200 needing to be subjected to the performance test can run to a preset position in the dynamometer system 100.
Furthermore, two track boxes 20 in each row are arranged at intervals, the interval between the two track boxes 20 is formed into an avoiding groove, and the driving hub 31 of the dynamometer 10 is correspondingly arranged in the avoiding groove, so that the tractor 200 needing performance test can run from the running track to the position above the driving hub 31, and the performance test can be carried out on the tractor 200 through the driving hub 31.
The space between the two rows of running rails is formed as an avoidance space for the parts of the tractor 200 located below the running surface, that is, the parts of the tractor 200 such as the steering wheels and the stabilizing wheels are all arranged below the running surface of the tractor 300, and the space between the two rows of running rails can avoid the parts such as the steering wheels and the stabilizing wheels.
The first direction is perpendicular to the traveling direction of the tractor 200 to be subjected to the performance test, and the second direction is parallel to the traveling direction of the tractor 200 to be subjected to the performance test.
According to the dynamometer system 100 for the rail vehicle of the embodiment of the application, the rail boxes 20 are arranged, and the rail boxes 20 are arranged in a row to define the running rail, the avoidance groove of the avoidance driving hub 31 and the avoidance space (the gap between two rows of running rails) of the part of the avoidance traction machine 200 below the running surface, so that the dynamometer system 100 is suitable for the rail vehicle, and the application range of the dynamometer system 100 is improved.
It should be noted that, two dynamometer machines 10 arranged in pairs may be provided with a power source (for example, a driving motor 32), or one dynamometer machine 10 is provided with a power source, and the other dynamometer machine 10 realizes synchronous motion through a transmission mechanism (a synchronous belt, a chain wheel) and the like.
As shown in fig. 2 and 3, according to some embodiments of the present application, dynamometer 10 includes: the driving motor 32 is fixed on the base 10 through the motor bracket 11, the driving hub 31 is arranged on the base 10 through the bearing seat 12, the coupling 34 is arranged between the driving hub 31 and the driving motor 32, and the braking assembly 33 is arranged at one end of the driving motor 32, which is far away from the driving hub 31.
Specifically, a motor shaft of the driving motor 32 is connected with the driving hub 31 through a coupler 34, the driving hub 31 is rotatably arranged on the bearing seat 12, the outer side surface of the driving hub 31 is in contact with the driving wheel surface of the traction machine 200 to simulate the friction fit between a track and a driving wheel, the braking assembly 33 is arranged on one side of the motor bracket 11 and is suitable for braking the driving motor 32, and the motor shaft of the driving motor 32 is in power connection with the coupler 34 and the driving hub 31 on the other side of the motor bracket 11. Therefore, the spatial arrangement of the dynamometer 10 is more reasonable, and the driving hub 31 and the braking assembly 33 are positioned on two sides of the motor shaft of the driving motor 32, so that the working stability and the braking safety of the dynamometer 10 can be improved.
As shown in fig. 2, the bearing seat 12 includes a first bearing seat and a second bearing seat disposed on the inner side and the outer side of the driving hub 31, specifically, the first bearing seat and the second bearing seat are disposed oppositely, an accommodating space of the driving hub 31 is defined between the first bearing seat and the second bearing seat, the driving hub 31 is disposed in the accommodating space, and the driving hub 31 is rotatably disposed on the bearing seat 12 through the first bearing seat, the second bearing seat and the bearings disposed on the first bearing seat and the second bearing seat, so that the fixing stability of the driving hub 31 can be improved, the occurrence of jamming and abnormal sound during the rotation of the driving hub 31 can be avoided, and the stability, accuracy and reliability of the dynamometer system 100 for the performance test of the tractor 200 can be improved.
Further, a torque sensor 35 is disposed between the coupling 34 and the drive hub 31. In this way, the output torque of the driving hub 31 of the dynamometer system 100 can be used for carrying out vehicle operation through the torque sensor 35, so that the output torque of the driving hub 31 can be visually and quantitatively embodied in the process of carrying out performance test on the tractor 200.
According to some embodiments of the application, the sides of the two rows of track boxes 20 facing each other are configured as guide surfaces 21, the guide surfaces 21 cooperate with the steering wheels of the tractor 200 of the rail vehicle, and the inner side of the drive hub 31 is flush with the guide surfaces 21.
It can be understood that, the tractor 200 is provided with stabilizing wheels, steering wheels and the like below the walking surface, the side surfaces of the two rows of track boxes 20 facing each other are configured as the guide surfaces 21, the inner side surface of the driving hub 31 is flush with the guide surfaces 21, during the movement of the tractor 200 above the driving hub 31, the interference between the inner side surface of the driving hub 31 and the stabilizing wheels or the steering wheels can be avoided, so as to improve the working stability of the dynamometer system 100,
further, the dynamometer 10 further includes: and a driving hub baffle plate 36, wherein the driving hub baffle plate 36 is positioned on the side of the driving hub 31 far away from the driving motor 32, and the side surface of the driving hub baffle plate 36 is flush with the guide surface 21.
Specifically, the driving hub baffle 36 limits the driving hub 31 at the end of the driving hub 31, which can improve the stability of the driving hub 31, and the side surface of the driving hub baffle 36 is flush with the guide surface 21, which can avoid the interference between the driving hub baffle 36 and the tractor 200.
In some embodiments, the brake assembly 33 includes: a brake disk 332 and a brake caliper 331, wherein the brake disk 332 is disposed on a motor shaft of the driving motor 32, and the brake caliper 331 is fixed on the motor bracket 11.
In other words, the brake disc 332 may rotate in synchronization with the motor shaft of the driving motor 32, and the brake caliper 331 is provided on the motor bracket 11, and the brake caliper 331 may clamp the brake disc 332 to perform braking of the driving motor 32.
According to some embodiments of the present application, the driving motor 32 has a first flange 321 on the motor casing, the first flange 321 is connected to the motor bracket 11, and the coupling 34 has a second flange 341, and the second flange 341 is configured to be connected to the motor casing. In this way, by providing the first flange 321, the connection stability of the driving motor 32 and the motor bracket 11 can be improved, and by providing the second flange 341, the connection stability of the coupling 34 and the driving motor 32 can be improved, so that the operation stability of the dynamometer 10 is higher.
As shown in fig. 1, in some embodiments, the track boxes 20 have lifting mechanisms 40 disposed therein, and the lifting mechanisms 40 in the two track boxes 20 of each column are disposed opposite to each other. Therefore, when the performance test is performed on the tractor 200, the driving wheel of the tractor 200 can be centered and lifted by the lifting mechanism 40, and after the central line of the driving hub 31 and the central line of the driving wheel are positioned on the same straight line, the performance test is performed, so that the test accuracy of the performance test can be improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the utility model, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A dynamometer system for a rail vehicle, comprising:
a base;
the track boxes are arranged on the base, the number of the track boxes is four, the four track boxes are arranged in two rows in the first direction to define running tracks of the railway vehicle, and the two track boxes in each row are arranged at intervals in the second direction to define avoidance grooves;
the dynamometer, the dynamometer is a plurality of, and is a plurality of the dynamometer sets up in pairs on the base, just the drive hub setting of dynamometer is in dodge the inslot.
2. The dynamometer system for a rail vehicle of claim 1, the dynamometer including: driving motor, brake assembly, shaft coupling and driving hub, driving motor passes through the motor support to be fixed on the base, the driving hub passes through the bearing frame setting and is in on the base, the shaft coupling sets up the driving hub with between the driving motor, brake assembly sets up driving motor deviates from one of driving hub serves.
3. The dynamometer system for the rail vehicle of claim 2, wherein the bearing support includes a first bearing support and a second bearing support disposed on both an inner and outer side of the drive hub.
4. The dynamometer system for the rail vehicle of claim 2, further including a torque sensor disposed between the coupling and the drive hub.
5. Dynamometer system for rail vehicles according to claim 2, characterized in that the sides of the two rows of rail boxes facing each other are configured as guide surfaces, which cooperate with the steering wheels of the tractor of the rail vehicle, the inner side of the drive hub being flush with the guide surfaces.
6. The dynamometer system for a rail vehicle of claim 5, the dynamometer further comprising: the driving hub baffle is located on one side, far away from the driving motor, of the driving hub, and the side face of the driving hub baffle is flush with the guide face.
7. The dynamometer system for a rail vehicle of claim 2, the brake assembly including: the brake disc is arranged on a motor shaft of the driving motor, and the brake caliper is fixed on the motor support.
8. The dynamometer system for the rail vehicle of claim 2, wherein the motor casing of the driving motor has a first flange thereon, the first flange being coupled with the motor bracket.
9. The dynamometer system for a rail vehicle of claim 8, wherein a second flange is provided on the coupling for connection with the motor casing.
10. The dynamometer system for a rail vehicle of claim 1, wherein a lift mechanism is disposed within the rail box, the lift mechanisms within the two rail boxes of each train being oppositely disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121615934.8U CN215448485U (en) | 2021-07-15 | 2021-07-15 | Dynamometer system for rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121615934.8U CN215448485U (en) | 2021-07-15 | 2021-07-15 | Dynamometer system for rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215448485U true CN215448485U (en) | 2022-01-07 |
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ID=79682609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121615934.8U Active CN215448485U (en) | 2021-07-15 | 2021-07-15 | Dynamometer system for rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215448485U (en) |
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2021
- 2021-07-15 CN CN202121615934.8U patent/CN215448485U/en active Active
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