CN218271395U - Vibration type vehicle road simulation test platform - Google Patents
Vibration type vehicle road simulation test platform Download PDFInfo
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- CN218271395U CN218271395U CN202222538883.4U CN202222538883U CN218271395U CN 218271395 U CN218271395 U CN 218271395U CN 202222538883 U CN202222538883 U CN 202222538883U CN 218271395 U CN218271395 U CN 218271395U
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Abstract
The utility model relates to a vibrations type vehicle road analogue test platform, include: the device comprises a first vibration simulation device, a second vibration simulation device, a front roller assembly and a rear roller assembly, wherein the front roller assembly is used for placing front wheels of a vehicle, the front roller assembly is arranged on the first vibration simulation device, the rear roller assembly is used for placing rear wheels of the vehicle, and the rear roller assembly is arranged on the second vibration simulation device; the vehicle road vibration simulation can be realized by the operation of the first vibration simulation device and the second vibration simulation device. The utility model relates to a vibrations type vehicle road analogue test platform is a design that adopts connecting rod and bent axle to combine, and its structural design is ingenious, the cost is lower, can realize multiple road simulation, simulates the speed of advancing, different wheel bases and the different wheel bases of different frequency of vibration, different cars.
Description
Technical Field
The utility model relates to a durable test technical field of vehicle, concretely relates to vibrations type vehicle road analogue test platform.
Background
With the rapid development of the automobile industry in China, the automobile industry faces new opportunities and challenges, and the effort of improving the whole automobile quality and accelerating the research and development speed of automobile types is the only way of the automobile industry, which not only puts higher requirements on the automobile industry, but also puts new subjects on the manufacturing industry of test equipment.
The vehicle road simulation test is an important way for scientifically inspecting the reliability and safety of the whole vehicle parts and related running parts. At present, all vehicle road simulation test equipment adopts a hydraulic cylinder simulation mode, and vehicles are in a static state in a vehicle road simulation test.
Aiming at the vehicle road simulation test equipment in the prior art, the vehicle is in a static state in the road simulation, and the road test cannot be simulated more truly; meanwhile, the existing test equipment is adopted to carry out road simulation, the variety of projects is less, the adjustment range of the wheel base of the vehicle is narrow, the number of applicable vehicle types is less, and the test efficiency of the vehicle is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an at least defect among the prior art is overcome to a main aim at, provides a vibrations type vehicle road analogue test platform, is an adoption connecting rod and the design that the bent axle combines, and its structural design is ingenious, the cost is lower, can realize multiple road simulation, simulates the speed of advancing, different wheel bases and the different wheel bases of different frequency of vibration, different cars.
In order to realize the technical scheme, the utility model discloses a following technical scheme:
according to the utility model discloses an aspect provides a vibrations type vehicle road analogue test platform, include:
the front roller assembly is used for placing front wheels of a vehicle and is arranged on the first vibration simulation device; further comprising:
the rear roller assembly is used for placing a rear wheel of the vehicle and is arranged on the second vibration simulation device;
the first vibration simulation device and the second vibration simulation device are arranged in parallel, and the vehicle road vibration simulation can be realized through the operation of the first vibration simulation device and the second vibration simulation device.
According to the utility model discloses an embodiment, preceding cylinder subassembly includes cylinder, drum shaft, cylinder base, the cylinder is established to two sets ofly, and two sets of cylinders all set up on cylinder base through the drum shaft parallel.
According to an embodiment of the present invention, the front roller assembly is identical to the rear roller assembly in structure. The roller length of the front roller assembly and the roller length of the rear roller assembly are longer, and the wheel track between two groups of rollers in the front roller assembly and the wheel track between two groups of rollers in the rear roller assembly are wide in range, so that the range of the wheel track is improved, and the front roller assembly and the rear roller assembly can adapt to more vehicle types.
According to an embodiment of the present invention, the number of the front roller assembly and the number of the rear roller assembly are at least two.
According to an embodiment of the present invention, the roller of the rear roller assembly is an active roller, and the roller of the front roller assembly is a passive roller; the rear roller component drives the rear wheel of the vehicle, and the front wheel of the vehicle drives the front roller component, so that the vehicle is in a forward state to carry out a simulation test.
According to one embodiment of the utility model, the rear roller assembly is connected with the roller motor through the transmission chain, and the roller motor provides power for the rear roller assembly; correspondingly, a chain wheel is arranged on the roller shaft of the rear roller assembly and meshed with the transmission chain to realize power transmission.
Of course, the front roller assembly can also be connected with the roller motor through the transmission chain, and the roller motor provides power for the front roller assembly. Here, the drum motors may be provided in one set or two sets.
According to an embodiment of the present invention, the first vibration simulator includes a lifting motor, a first lifting unit, and a second lifting unit, both sides of the lifting motor are respectively connected to the first lifting unit and the second lifting unit through a first shaft coupling;
the first lifting unit comprises two groups of guide pillars, shaft seats, connecting rods, ejector blocks and crankshafts, the two groups of guide pillars are movably arranged in the shaft seats, the connecting rods are arranged between the two groups of guide pillars, the ejector blocks are arranged at the tops of the connecting rods, and the bottom of the connecting rods is sleeved on the crankshafts. Wherein, the top block is fixed with the roller base. Furthermore, the crankshaft is driven to rotate by the lifting motor, and the connecting rod moves up and down under the driving of the crankshaft, so that the front roller assembly and the rear roller assembly move up and down; meanwhile, the guide pillar can move up and down along the shaft seat along with the roller base, the guide pillar plays a role in supporting and protecting, and stability and safety of the platform structure are guaranteed. In the rotation process of the crankshaft, high-frequency vibration can be realized through variable-frequency speed regulation of the motor. A first lifting unit and a second lifting unit are arranged on two sides of the lifting motor, and the first lifting unit and the second lifting unit are driven by the lifting motor to run simultaneously.
According to the utility model discloses an embodiment still includes:
and one end of the second coupler is connected with an output shaft of the reducer of the lifting motor, and the other end of the second coupler is connected with the first coupler. The second coupler is arranged at the output shaft end of the lifting motor reducer, so that the relative angle of the left crankshaft and the right crankshaft can be changed, and various road vibration simulations can be realized.
According to the utility model discloses an embodiment, first vibrations analogue means is the same with second vibrations analogue means's structure.
According to the utility model discloses an embodiment, first vibrations analogue means's bottom is equipped with wheel base adjustment subassembly for adjust first vibrations analogue means and second vibrations analogue means's distance. Through setting up wheel base adjustment assembly, improved the scope of wheel base, can adapt to more vehicle type.
According to the utility model discloses an embodiment, wheel base adjustment subassembly includes wheel base adjustment base, leading wheel, guide rail set spare sets up in ground, the leading wheel sets up in wheel base adjustment base below, and leading wheel and guide rail set spare cooperation, the leading wheel can be straight reciprocating motion along guide rail set spare under the drive of external force.
According to the utility model discloses an embodiment, guide rail assembly's transversal I shape structure of personally submitting, and narrow under and wide.
According to the utility model discloses an embodiment, be equipped with annular guide way on the excircle of leading wheel, guide rail set spare's upper surface inlays in locating the annular guide way of leading wheel.
According to the utility model discloses an embodiment still includes:
and the gear and rack driving assembly is used for driving the wheel base adjusting assembly to move towards the direction close to or far away from the second vibration simulation device.
According to the utility model discloses an embodiment, rack and pinion drive assembly includes: the rack assembly is arranged on the ground, the driving motor is fixed on the wheel base adjusting base, and a power output end of the driving motor is connected with the gear and meshed with the rack assembly through the gear, so that the first vibration simulation device and the front roller assembly are driven to adjust the wheel base back and forth. Meanwhile, the driving motor can be provided with a braking device to prevent the front roller assembly from moving back and forth in the running process of the road simulation test.
According to the utility model discloses an embodiment, second vibrations analogue means's bottom is provided with the base.
According to the utility model discloses an embodiment still includes:
the platform cover plate is suspended on the front roller assembly and the rear roller assembly;
correspondingly, square holes matched with the front roller assembly and the rear roller assembly are formed in the platform cover plate.
According to the above technical scheme, the utility model discloses possess at least one in following advantage and the positive effect:
the utility model relates to a vibrations type vehicle road analogue test platform is an adoption connecting rod and the design that the bent axle combines, and its structural design is ingenious, the cost is lower, can realize multiple road simulation, simulates the speed of marcing of different frequency of vibration, different cars, different wheel base and different wheel bases.
The utility model discloses in, the vehicle can carry out road test simulation under the driving condition that is in the advancing, can realize multiple road simulation, and the wheel base is adjustable, but wheel track width self-adaptation, and compact structure saves space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a vibration type vehicle road simulation test platform according to the present invention;
FIG. 2 is a front view of the vibratory vehicle road simulation test platform of FIG. 1 with the wheelbase adjusted to a minimum distance;
FIG. 3 is a left side view of the vibratory vehicle road simulation test platform of FIG. 2;
FIG. 4 is a schematic view of an implementation state of the vibration-type vehicle road simulation test platform of the present invention;
fig. 5 is a schematic structural view of the first vibration simulator of the present invention;
FIG. 6 is a front view of the first vibration simulator of FIG. 5;
FIG. 7 is a left side view of the first shock simulator of FIG. 6;
fig. 8 is a schematic structural view of the crankshaft of the present invention;
fig. 9 is a front view of the crankshaft of fig. 8.
The reference numerals are explained below:
1-a first vibration simulation device, 11-a lifting motor, 12-a first lifting unit, 121-a guide column, 122-a shaft seat, 123-a connecting rod, 124-a top block, 125-a crankshaft, 13-a second lifting unit, 14-a coupling I, 15-a coupling II, 2-a second vibration simulation device, 3-a front roller assembly, 31-a roller, 32-a roller shaft, 33-a roller base, 4-a rear roller assembly, 5-a roller motor, 6-a shaft distance adjusting assembly, 61-a shaft distance adjusting base, 62-a guide wheel, 63-a guide rail assembly, 64-a gear and rack driving assembly, 641-a rack assembly, 642-a driving motor, 643-a gear, 7-a base and 8-a platform cover plate.
Detailed Description
In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner", "outer", "upper", "lower", and the like, indicate orientations or state relationships that are based on the orientations or state relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention is understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein.
The present invention will be described in further detail with reference to the drawings and the following detailed description.
Referring to fig. 1 to 9, the present invention relates to a vibration type vehicle road simulation test platform, which comprises a first vibration simulator 1, a second vibration simulator 2, a front roller assembly 3 and a rear roller assembly 4, wherein the front roller assembly 3 is used for placing a front wheel of a vehicle, the front roller assembly 3 is arranged on the first vibration simulator 1, the rear roller assembly 4 is used for placing a rear wheel of the vehicle, and the rear roller assembly 4 is arranged on the second vibration simulator 2; the first vibration simulation device 1 and the second vibration simulation device 2 are arranged in parallel, and vehicle road vibration simulation can be realized through the operation of the first vibration simulation device 1 and the second vibration simulation device 2.
The front roller assembly 3 comprises two groups of rollers 31, two groups of roller shafts 32 and two groups of roller bases 33, wherein the two groups of rollers 31 are arranged on the roller bases 33 in parallel through the roller shafts 32. The front roller assembly 3 and the rear roller assembly 4 have the same structure. The roller length of the front roller assembly 3 and the roller length of the rear roller assembly 4 are longer, and the wheel track between two groups of rollers 31 in the front roller assembly 3 and the wheel track between two groups of rollers in the rear roller assembly 4 are wide in range, so that the range of the wheel track is improved, and the automobile front-rear-wheel-mounted roller assembly can adapt to more types of vehicles. In this embodiment, the number of the front roller assemblies 3 and the rear roller assemblies 4 is two. Further, as shown in fig. 2, the rollers of the rear roller assembly 4 are active rollers, and the rollers of the front roller assembly 3 are passive rollers; the rear roller assembly 4 drives the rear wheels of the vehicle, and the front wheels of the vehicle drive the front roller assembly 3, so that the vehicle is in a forward state to carry out a simulation test. Wherein, the rear roller assembly 4 is connected with a roller motor 5 through a transmission chain (not shown), and the roller motor 5 provides power for the rear roller assembly 4; correspondingly, a chain wheel is arranged on the roller shaft of the rear roller component 4, and the chain wheel is meshed with the transmission chain to realize power transmission. The rear roller assembly 4 is driven by the roller motor 5, so that the vehicle can perform road test simulation in a forward running state, and various road simulations can be realized.
In another embodiment, the front roller assembly 3 may also be connected to the roller motor 5 through a transmission chain, and the roller motor 5 provides power to the front roller assembly 3. Here, the drum motors 5 may be provided in one set or two sets.
As shown in fig. 1 and 2, the first vibration simulation device 1 includes a lifting motor 11, a first lifting unit 12, and a second lifting unit 13, where both sides of the lifting motor 11 are connected to the first lifting unit 12 and the second lifting unit 13 through a first coupling 14. The first lifting unit 12 includes two sets of guide posts 121, two shaft seats 122, a connecting rod 123, a top block 124, and a crankshaft 125, where the two sets of guide posts 121 are movably disposed in the shaft seats 122, the connecting rod 123 is disposed between the two sets of guide posts 121, the top of the connecting rod is provided with the top block 124, and the bottom of the connecting rod is sleeved on the crankshaft 125. Wherein the top block 124 is fixed with the roller base 33. Further, the crankshaft 125 is driven to rotate by the lifting motor 11, and the connecting rod 123 moves up and down under the driving of the crankshaft 125, so as to realize the up and down movement of the front roller assembly 3; meanwhile, the guide post 121 can move up and down along the shaft seat 122 along with the roller base 33, and the guide post 121 plays a role in supporting and protecting, so that the stability and the safety of the platform structure are ensured. During the rotation of the crankshaft 125, the motor performs variable frequency speed regulation to realize high-frequency vibration.
As shown in fig. 3, the utility model discloses be provided with two shaft couplings 15, set up in one side or both sides of elevator motor 11, two 15 one ends of shaft coupling and elevator motor reduction gear 11's output shaft, the other end is connected with a 14 shaft couplings. The second coupling 15 is arranged at the output shaft end of the lifting motor reducer 11, so that the relative angle of the left crankshaft and the right crankshaft can be changed, and various road vibration simulations can be realized.
The utility model discloses in, first vibrations analogue means 1 is the same with second vibrations analogue means 2's structure. And the bottom of the first vibration simulation device 1 is provided with a wheel base adjusting component 6 for adjusting the distance between the first vibration simulation device 1 and the second vibration simulation device 2. Through setting up wheel base adjustment assembly 6, improved the scope of wheel base, can adapt to more vehicle type. Wherein, wheel base adjustment subassembly 6 includes wheel base adjustment base 61, leading wheel 62, guide rail assembly 63 sets up in ground, leading wheel 62 sets up in wheel base adjustment base 61 below, and leading wheel 62 and the cooperation of guide rail assembly 63, leading wheel 62 can be at the drive of external force down along guide rail assembly 63 straight reciprocating motion.
The cross section of the guide rail assembly 63 is of an I-shaped structure, and the upper part of the guide rail assembly is narrow and the lower part of the guide rail assembly is wide. An annular guide groove is formed in the outer circle of the guide wheel 62, and the upper surface of the guide rail assembly 63 is embedded in the annular guide groove of the guide wheel 62.
In order to be able to precisely control the direction and distance of movement of the wheel base adjusting assembly 6, a rack and pinion drive assembly 64 is provided for driving the wheel base adjusting assembly 6 to move toward or away from the second vibration simulating means. Specifically, the rack and pinion drive assembly 64 includes a rack assembly 641, a drive motor 642 and a gear 643, the rack assembly 641 is disposed on the ground, the drive motor 642 is fixed on the wheel base adjusting base 6, and a power output end thereof is connected with the gear 643 and meshed with the rack assembly 641 through the gear 643, so as to drive the first vibration simulation device 1 and the front roller assembly to adjust the wheel base back and forth. Meanwhile, the driving motor can be provided with a braking device to prevent the front roller assembly from moving back and forth in the running process of the road simulation test.
As shown in fig. 1, 2 and 4, a base 7 is provided at the bottom of the second vibration simulation device 2, and the base 7 is fixed.
As shown in fig. 1 to 4, a platform cover plate 8 is suspended on the front roller assembly 3 and the rear roller assembly 4. Correspondingly, square holes matched with the front roller assembly 3 and the rear roller assembly 4 are formed in the platform cover plate 8. Specifically, the length of the square hole corresponding to the front roller assembly 3 is adjustable, and is adapted to the moving length of the wheel base adjusting assembly 6. The four corners of the platform cover plate 8 are provided with reserved holes, and the platform cover plate 8 can be fixed with the platform cover plate 8 through steel wire ropes to be suspended; or a plurality of supporting beams (not shown) are arranged around the platform cover plate 8 for fixed connection. After the wheel base is adjusted by the gear rack driving assembly 64 in this embodiment, the movable iron plate is covered at the position where the square hole at the front roller assembly 3 is notched, so as to ensure the safety of the test.
To sum up, the utility model relates to a vibrations type vehicle road analogue test platform is the design that adopts connecting rod and bent axle to combine, and its structural design is ingenious, the cost is lower, can realize multiple road simulation, simulates the speed of marcing of different frequency of vibration, different cars, different wheel base and different wheel bases. The utility model discloses in, the vehicle can carry out road test simulation under the driving condition that is in the advancing, can realize multiple road simulation, and the wheel base is adjustable, but wheel track width self-adaptation, and compact structure saves space.
It is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth herein. The present invention is capable of other embodiments and of being practiced and carried out in a variety of ways. The aforementioned variations and modifications fall within the scope of the present invention. It will be understood that the invention disclosed and defined herein extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. The embodiments described herein explain the best modes known for practicing the invention and will enable others skilled in the art to utilize the invention.
Claims (10)
1. A vibratory vehicle road simulation test platform, comprising:
the front roller assembly is used for placing front wheels of a vehicle and is arranged on the first vibration simulation device; further comprising:
the rear roller assembly is used for placing a rear wheel of the vehicle and is arranged on the second vibration simulation device;
the vehicle road vibration simulation can be realized by the operation of the first vibration simulation device and the second vibration simulation device.
2. The vibratory vehicle road simulation test platform as claimed in claim 1, wherein the front roller assembly comprises rollers, roller shafts and a roller base, the rollers are arranged in two groups, and the two groups of rollers are arranged on the roller base in parallel through the roller shafts; the front roller assembly and the rear roller assembly have the same structure.
3. The vibratory vehicle road simulation test platform of claim 2, wherein the rollers of the rear roller assembly are active rollers and the rollers of the front roller assembly are passive rollers; the rear roller assembly drives the rear wheels of the vehicle, and the front wheel of the vehicle drives the front roller assembly, so that the vehicle is subjected to a simulation test in an advancing state.
4. The vibratory vehicle road simulation test platform of claim 3, wherein the rear roller assembly is connected to a roller motor through a drive chain, and the rear roller assembly is powered by the roller motor; correspondingly, a chain wheel is arranged on the roller shaft of the rear roller assembly and meshed with the transmission chain to realize power transmission.
5. The vibration-type vehicle road simulation test platform as claimed in claim 1, wherein the first vibration simulator comprises a lifting motor, a first lifting unit and a second lifting unit, and both sides of the lifting motor are respectively connected with the first lifting unit and the second lifting unit through a first coupling;
the first lifting unit comprises guide pillars, shaft seats, connecting rods, ejector blocks and a crankshaft, the two groups of guide pillars are arranged and are movably arranged in the shaft seats, the connecting rods are arranged between the two groups of guide pillars, the ejector blocks are arranged at the tops of the two groups of guide pillars, and the bottom of the connecting rods is sleeved on the crankshaft.
6. The vibratory vehicle road simulation test platform of claim 5, further comprising:
the second coupler is arranged on one side or two sides of the lifting motor, one end of the second coupler is connected with an output shaft of the lifting motor reducer, and the other end of the second coupler is connected with the first coupler; the second coupler is arranged at the output shaft end of the lifting motor reducer, so that the relative angle of the left crankshaft and the right crankshaft can be changed, and various road vibration simulations can be realized.
7. The vibration-type vehicle road simulation test platform as claimed in claim 5, wherein the bottom of the first vibration simulator is provided with a wheel base adjusting assembly for adjusting the distance between the first vibration simulator and the second vibration simulator; through setting up wheel base adjustment assembly, improved the scope of wheel base, can adapt to more vehicle type.
8. The vibration-type vehicle road simulation test platform according to claim 7, wherein the axle base adjustment assembly comprises an axle base adjustment base, a guide wheel and a guide rail assembly, the guide rail assembly is arranged on the ground, the guide wheel is arranged below the axle base adjustment base, the guide wheel is matched with the guide rail assembly, and the guide wheel can linearly reciprocate along the guide rail assembly under the driving of an external force.
9. The vibratory vehicle road simulation test platform of claim 8, further comprising: the gear rack driving assembly is used for driving the wheel base adjusting assembly to move towards the direction close to or far away from the second vibration simulation device;
the rack and pinion drive assembly includes: the rack assembly is arranged on the ground, the driving motor is fixed on the wheel base adjusting base, and a power output end of the driving motor is connected with the gear and meshed with the rack assembly through the gear, so that the first vibration simulation device and the front roller assembly are driven to adjust the wheel base back and forth.
10. The vibratory vehicle road simulation test platform of any one of claims 1-9, further comprising: and the platform cover plate is suspended on the front roller assembly and the rear roller assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222538883.4U CN218271395U (en) | 2022-09-23 | 2022-09-23 | Vibration type vehicle road simulation test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222538883.4U CN218271395U (en) | 2022-09-23 | 2022-09-23 | Vibration type vehicle road simulation test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218271395U true CN218271395U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222538883.4U Active CN218271395U (en) | 2022-09-23 | 2022-09-23 | Vibration type vehicle road simulation test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218271395U (en) |
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- 2022-09-23 CN CN202222538883.4U patent/CN218271395U/en active Active
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