CN219736826U - Connection structure and multi-degree-of-freedom hub system for dynamometer - Google Patents
Connection structure and multi-degree-of-freedom hub system for dynamometer Download PDFInfo
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- CN219736826U CN219736826U CN202321034259.9U CN202321034259U CN219736826U CN 219736826 U CN219736826 U CN 219736826U CN 202321034259 U CN202321034259 U CN 202321034259U CN 219736826 U CN219736826 U CN 219736826U
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Abstract
The utility model relates to the technical field of dynamometers, in particular to a connecting structure and a multi-degree-of-freedom rotating hub system for a dynamometer, which comprises the following components: the physical inertia simulation mechanism and the speed reducer are connected with a universal coupling, the rotating hub is connected with a rotating wheel, and the rotating wheel is connected with a synchronous belt; the beneficial effects are as follows: the driving motor and the speed reducer are started at first to drive one of the universal couplings to rotate, then the rotating shaft is driven to rotate, and the two rotating wheels are driven to rotate through the synchronous belt, so that the two rotating hubs work together, the other universal coupling is driven to start running, in addition, if the space allows the driving motor to be directly connected with one of the universal couplings without reversing transmission, the rotating hubs can be independently driven by components such as the driving component, and therefore the requirement of the chassis dynamometer is met.
Description
Technical Field
The utility model relates to the technical field of dynamometers, in particular to a connecting structure and a multi-degree-of-freedom rotating hub system for a dynamometer.
Background
As a test apparatus for completing a vehicle, there is a chassis dynamometer (hereinafter, sometimes referred to as "CHDY") apparatus, which is configured to include a roller apparatus movable under a pit in accordance with a wheel base (distance between a front wheel shaft and a rear wheel shaft) of the test vehicle.
In the prior art, in a rotating hub system for a chassis dynamometer, two rotating hubs are generally arranged in parallel, a driving motor and the two rotating hubs are also arranged in parallel, and the two rotating hubs are connected through a transmission mechanism, and are generally driven by a chain transmission belt. When in work, the driving motor drives the two rotating hubs to synchronously rotate. The hub system can be further provided with a torque measuring/calibrating mechanism, a rotating speed measuring mechanism and the like according to the actual equipment requirement.
However, the above device is inconvenient for the hub assembly to independently complete the multi-degree of freedom movement under the condition that the driving motor is not moved, and some heavy parts are required to be used, so that the weight is heavy, and the structure of the moving part is complex.
Disclosure of Invention
The utility model aims to provide a connecting structure and a multi-degree-of-freedom rotating hub system for a dynamometer, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a connection structure, the connection structure comprising:
the output end of the driving motor is provided with a torque measuring mechanism, and the upper end of the torque measuring mechanism is connected with a speed reducer;
the physical inertia simulation mechanism is positioned at one side of the speed reducer, and the same ends of the physical inertia simulation mechanism and the speed reducer are connected with a universal coupling; and
The rotating hubs are arranged, one ends of the two rotating hubs are respectively connected with the two universal couplings, the other ends of the two rotating hubs are respectively provided with a rotating wheel, and the rotating wheels are connected with a synchronous belt.
Preferably, one end of the speed reducer is fixedly connected with one end of one of the universal couplings.
Preferably, one end of the physical inertia simulation mechanism, which is close to the universal coupling, is provided with a connector, and the other end of the connector is fixedly connected with one end of the other universal coupling.
Preferably, the lower ends of the two rotating hubs are fixedly connected with a base, the upper side wall of the base is fixedly connected with a wheel deflection detection mechanism, the middle of the two rotating hubs is provided with a rotating shaft, and the two ends of the rotating shaft are provided with bearing seats.
Preferably, the same ends of the two rotating shafts are respectively and fixedly connected with two rotating wheels, and the two rotating wheels are rotationally connected through a synchronous belt.
Preferably, two of the rotating shafts are provided with connecting plates on the side walls of one end far away from the rotating wheel, and a plurality of uniformly distributed connecting holes are formed in the side walls of the connecting plates.
Preferably, one ends of the two universal couplings, which are far away from the speed reducer and the connector, are fixedly connected with the two rotating shafts through connecting holes respectively.
A multi-degree-of-freedom rotary hub system for a dynamometer comprises the connecting structure.
Compared with the prior art, the utility model has the beneficial effects that:
in the application of the hub system for the multi-degree-of-freedom dynamometer, a driving motor and a speed reducer are started at first to drive one universal coupling to rotate, then a rotating shaft on the side wall of the hub is driven to rotate, and two rotating wheels are driven to rotate through a synchronous belt, so that the two hubs work together, the other universal coupling is driven to start to operate, in addition, if the space allows that reversing transmission is not needed, the driving motor can be directly connected with one universal coupling, so that the structure of the traditional hub system is improved, the hub assembly can independently act on components such as a driving assembly, and the whole system can further transmit rotating speed and torque, so that the requirement of the chassis dynamometer is met, and the action part is simple in structure and light in weight.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;
FIG. 3 is a schematic diagram of the overall conversion connection structure of the present utility model;
fig. 4 is an enlarged schematic view of the structure B in fig. 3 according to the present utility model.
In the figure: 1. a driving motor; 2. a physical inertia simulation mechanism; 3. a universal coupling; 4. a rotating shaft; 5. a bearing seat; 6. a rotating hub; 7. a base; 8. a wheel bias detection mechanism; 9. a speed reducer; 10. a torque measuring mechanism; 11. a connector; 12. a rotating wheel; 13. a synchronous belt; 14. a connection hole; 15. and (5) connecting a plate.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Embodiment one:
referring to fig. 1-4, the present utility model provides a technical solution: a connection structure, the connection structure comprising: the driving motor 1, the output end of the driving motor 1 is provided with a torque measuring mechanism 10, and the upper end of the torque measuring mechanism 10 is connected with a speed reducer 9; the physical inertia simulation mechanism 2 is positioned on one side of the speed reducer 9, and the universal coupling 3 is connected to the same ends of the physical inertia simulation mechanism 2 and the speed reducer 9; the two rotating hubs 6 are arranged, one ends of the two rotating hubs 6 are respectively connected with the two universal couplings 3, the other ends of the two rotating hubs 6 are respectively provided with a rotating wheel 12, and the rotating wheels 12 are connected with a synchronous belt 13; the lower ends of the two rotating hubs 6 are fixedly connected with a base 7, the upper side wall of the base 7 is fixedly connected with a wheel deviation detection mechanism 8, the middle of the two rotating hubs 6 is provided with a rotating shaft 4, and both ends of the rotating shaft 4 are provided with bearing seats 5; the side walls of one end, far away from the rotating wheels 12, of the two rotating shafts 4 are provided with connecting plates 15, and the side walls of the connecting plates 15 are provided with a plurality of uniformly distributed connecting holes 14; a multi-degree-of-freedom rotary hub system for a dynamometer comprises the connecting structure.
In the application of the multi-degree-of-freedom rotating hub system for the dynamometer, the driving motor 1 and the speed reducer 9 are started firstly, one universal coupler 3 is driven to rotate, the rotating shaft 4 on the side wall of the rotating hub 6 is driven to rotate, the synchronous belt 13 drives the two rotating wheels 12 to rotate, so that the two rotating hubs 6 work together, the other universal coupler 3 is driven to start to operate, in addition, if the space allows reversing transmission, the driving motor can be directly connected with one universal coupler 3, so that the structure of the traditional rotating hub system is improved, the rotating hub assembly can independently act on the components such as the driving assembly, and the whole system can transmit rotating speed and torque, so that the requirement of the chassis dynamometer is met.
Embodiment two:
on the basis of the first embodiment, in order to enable the hub assembly to independently act independently of the driving assembly and other components, one end of the speed reducer 9 is fixedly connected with one end of one of the universal couplings 3; one end of the physical inertia simulation mechanism 2, which is close to the universal coupler 3, is provided with a connector 11, and the other end of the connector 11 is fixedly connected with one end of the other universal coupler 3; one end of the two universal couplings 3, which is far away from the speed reducer 9 and the connector 11, is fixedly connected with the two rotating shafts 4 through connecting holes 14 respectively.
The driving motor 1 and the speed reducer 9 are started to drive one of the universal couplings 3 to rotate, then the rotating shaft 4 on the side wall of the rotating hub 6 is driven to rotate, and the two rotating wheels 12 are driven to rotate through the synchronous belt 13, so that the two rotating hubs 6 work together, the other universal coupling 3 is driven to start to operate, in addition, if the space allows that reversing transmission is not needed, the driving motor can be directly connected with one of the universal couplings 3, so that the structure of a traditional rotating hub system is improved, the rotating hub assembly can independently act on the components such as the driving assembly, and the whole system can transmit rotating speed and torque, so that the requirement of a chassis dynamometer is met.
Embodiment III:
on the basis of the first embodiment, in order to ensure that the two hubs 6 can rotate at the same frequency, the same ends of the two rotating shafts 4 are fixedly connected with the two rotating wheels 12 respectively, and the two rotating wheels 12 are rotationally connected through a synchronous belt 13.
The driving motor 1 and the speed reducer 9 are started to drive one of the universal couplings 3 to rotate, so that the rotating shaft 4 on the side wall of the rotating hub 6 is driven to rotate, and the two rotating wheels 12 are driven to rotate through the synchronous belt 13, so that the two rotating hubs 6 work together.
In practical use, in the application of the multi-degree-of-freedom rotary hub system for the dynamometer, the driving motor 1 and the speed reducer 9 are started firstly to drive one of the universal couplings 3 to rotate, then drive the rotating shaft 4 on the side wall of the rotary hub 6 to rotate, and drive the two rotating wheels 12 to rotate through the synchronous belt 13, so that the two rotary hubs 6 work together, and drive the other universal coupling 3 to start to operate, in addition, if the space allows reversing transmission not to be needed, the driving motor can be directly connected with one of the universal couplings 3, so that the structure of the traditional rotary hub system is improved, the rotary hub assembly in the traditional rotary hub system can independently act on the components such as the driving assembly, and the whole system can transmit rotating speed and torque, so that the requirement of the chassis dynamometer is met.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A connection structure, characterized in that: the connection structure includes:
the device comprises a driving motor (1), wherein a torque measuring mechanism (10) is arranged at the output end of the driving motor (1), and a speed reducer (9) is connected to the upper end of the torque measuring mechanism (10);
the physical inertia simulation mechanism (2) is positioned at one side of the speed reducer (9), and the same ends of the physical inertia simulation mechanism (2) and the speed reducer (9) are connected with the universal coupling (3); and
The rotating hubs (6) are arranged, one ends of the two rotating hubs (6) are respectively connected with the two universal couplings (3), the other ends of the two rotating hubs (6) are respectively provided with rotating wheels (12), and the rotating wheels (12) are connected with synchronous belts (13).
2. A connection structure according to claim 1, wherein: one end of the speed reducer (9) is fixedly connected with one end of one of the universal couplings (3).
3. A connection structure according to claim 1, wherein: the device comprises a physical inertia simulation mechanism (2), wherein one end, close to a universal coupler (3), of the physical inertia simulation mechanism (2) is provided with a connector (11), and the other end of the connector (11) is fixedly connected with one end of another universal coupler (3).
4. A connection according to claim 3, wherein: including wheel partially detection mechanism (8), two the lower extreme fixedly connected with base (7) of changeing hub (6), the last lateral wall fixedly connected with wheel partially detection mechanism (8) of base (7), two the centre of changeing hub (6) all is equipped with pivot (4), the both ends of pivot (4) all are equipped with bearing frame (5).
5. A connection structure according to claim 4, wherein: the same ends of the two rotating shafts (4) are fixedly connected with two rotating wheels (12) respectively, and the two rotating wheels (12) are rotationally connected through a synchronous belt (13).
6. A connection structure according to claim 4, wherein: the two rotating shafts (4) are respectively provided with a connecting plate (15) on the side wall of one end far away from the rotating wheel (12), and a plurality of uniformly distributed connecting holes (14) are formed in the side wall of each connecting plate (15).
7. A connection structure according to claim 4, wherein: one ends of the two universal couplings (3) far away from the speed reducer (9) and the connector (11) are fixedly connected with the two rotating shafts (4) through connecting holes (14) respectively.
8. A multi-freedom-degree rotating hub system for a dynamometer is characterized in that: comprising a connection structure according to any of the preceding claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321034259.9U CN219736826U (en) | 2023-04-28 | 2023-04-28 | Connection structure and multi-degree-of-freedom hub system for dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321034259.9U CN219736826U (en) | 2023-04-28 | 2023-04-28 | Connection structure and multi-degree-of-freedom hub system for dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219736826U true CN219736826U (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321034259.9U Active CN219736826U (en) | 2023-04-28 | 2023-04-28 | Connection structure and multi-degree-of-freedom hub system for dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219736826U (en) |
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2023
- 2023-04-28 CN CN202321034259.9U patent/CN219736826U/en active Active
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