CN112985658A - Chassis power measuring equipment based on IGBT technology - Google Patents
Chassis power measuring equipment based on IGBT technology Download PDFInfo
- Publication number
- CN112985658A CN112985658A CN202110135246.XA CN202110135246A CN112985658A CN 112985658 A CN112985658 A CN 112985658A CN 202110135246 A CN202110135246 A CN 202110135246A CN 112985658 A CN112985658 A CN 112985658A
- Authority
- CN
- China
- Prior art keywords
- dynamometer
- roller
- power measuring
- support
- centering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the technical field of automobile chassis power measuring mechanical equipment, in particular to chassis power measuring equipment based on an IGBT (insulated gate bipolar transistor) technology, which comprises a base, a power measuring machine and a power measuring roller, wherein the power measuring machine is in transmission connection with the power measuring roller, and the chassis power measuring equipment also comprises a power measuring support, a centering mechanism, a rotary driving mechanism, a blocking mechanism and a lifting mechanism.
Description
Technical Field
The invention relates to the technical field of automobile chassis power measuring mechanical equipment, in particular to chassis power measuring equipment based on an IGBT (insulated gate bipolar transistor) technology.
Background
The automobile chassis dynamometer is an important indoor bench test device, and not only can detect the dynamic property of an automobile, but also can measure multi-working-condition emission indexes, oil consumption and the like. The function of the automobile chassis dynamometer is to simulate various working conditions of vehicle running by replacing the road surface with the surface of the rotary drum through controlling the load simulation and loading device. Has the advantage of being not influenced by external conditions. The method can quickly detect the automobile without disassembling the automobile, and accurately reflect the technical conditions and the service performance of each mechanism, system and part of the automobile. The automobile chassis dynamometer can find out faults and hidden dangers, and helps people to take corresponding prevention and maintenance measures to ensure that the automobile runs under a good condition, so that the service life of the automobile is prolonged, the transport capacity is improved, the production cost is reduced, the environmental pollution is reduced, the energy is saved, and the safe running of the automobile is ensured. In addition, the automobile chassis dynamometer can be combined with a simulation test, the research and development period of an automobile is greatly shortened, the defects in design are discovered as soon as possible, and the performance of the whole automobile is guaranteed.
The automobile chassis dynamometer is a form of energy conversion which is mainly used for measuring power, and the core equipment of the automobile chassis dynamometer is a dynamometer unit which converts mechanical energy into heat energy, and the hysteresis dynamometer, the eddy current dynamometer, the mechanical dynamometer, the hydraulic dynamometer and the like are used, so that energy waste is caused, and heat dissipation equipment is required to be configured. The other type is an electric dynamometer which is equivalent to a generator, can convert mechanical energy input by a prime motor into electric energy to feed back to a power grid, and is divided into a direct current type and an alternating current type.
The chassis dynamometer based on the IGBT technology is a single-tube IGBT high-current driving circuit which is formed by designing and intelligently transforming the safety of the chassis dynamometer and utilizing CW type eddy current dynamometer, and comprises a rectifying module, a PWM signal driving exciting current generating module and a protection circuit module. The input end of the rectification module is connected with an alternating current power supply, and the output end of the rectification module is connected with one end of the dynamometer host coil and used for providing direct current for the dynamometer host coil; the output end of the exciting current generating module is connected with the other end of the main machine coil of the dynamometer, and the main machine coil is controlled to generate exciting current, so that the dynamometer generates eddy current; the protection circuit module can protect components in the exciting current generating module from working normally and stably, so that the driving circuit can work stably, and then the eddy current dynamometer can work stably.
Patent document CN201280075616.4 discloses a chassis dynamometer capable of improving the constancy of the height of a vehicle with respect to the ground. The chassis dynamometer includes a displacement portion that relatively displaces one of the load drum and the free drum with respect to the other. In a positioning state in which the relative position of the load drum with respect to the wheel is fixed, the displacement section moves the free drum in a direction approaching the load drum in the circumferential direction of the wheel, thereby reducing the load applied to the load drum, and moves the free drum in a direction away from the load drum in the circumferential direction of the wheel, thereby increasing the load applied to the load drum.
However, the relative movement between the load drum and the free drum may change the position of the vehicle to a certain extent, which may cause a certain error in the measurement, and the measurement roller is rotated by the friction of the wheel, which may adversely affect the high-precision measurement machine at the moment of starting, resulting in a reduction in the precision of the measurement machine.
Disclosure of Invention
Aiming at the problems, the invention provides chassis power measuring equipment based on the IGBT technology, which utilizes a centering mechanism to center and collide wheels with power measuring rollers, then a rotary driving mechanism enables the power measuring rollers to obtain a certain rotation amount in advance, and then the power measuring rollers collide with the pre-rotated wheels to measure power, so that the damage to a power measuring machine at the moment of starting is avoided, an automobile which is not subjected to power measurement is lifted by a lifting mechanism, a cover plate automobile is used as the weight on the power measuring rollers, the purpose of changing the friction force is achieved, and the technical problem that the power measuring precision is influenced is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a chassis dynamometer equipment based on IGBT technique, includes base, dynamometer machine and dynamometer roller, the dynamometer machine with the transmission of dynamometer roller is connected, still includes:
the power measuring support is arranged in a slope shape and used for walking an automobile, the power measuring support is provided with the power measuring roller along the walking path of the automobile, and the power measuring roller is arranged below the upper end face of the power measuring support;
the centering mechanisms are symmetrically arranged on two sides of the dynamometer roll, are arranged on the base in a swinging mode, and form a wrapping area of the wheel;
the rotary driving mechanism is arranged below the centering mechanism and drives the centering mechanism to swing so that the wheels in the coating area descend to abut against the dynamometer rollers, and the rotary driving mechanism drives the dynamometer rollers to rotate before the dynamometer rollers abut against the wheels;
the blocking mechanism is arranged on the dynamometer support, is arranged on the rear side of the centering mechanism along the traveling path of the automobile, and is driven by the rotary driving mechanism to lift to limit wheels which are not used for dynamometer on the automobile; and
the lifting mechanism is adjacent to the blocking mechanism, the blocking mechanism is installed on the dynamometer support, and the lifting mechanism is used for lifting wheels which are not used for dynamometer on the automobile.
As an improvement, the dynamometer rollers are provided with two groups, and the dynamometer rollers are coaxially connected through a coupler.
As an improvement, the dynamometer support comprises an incoming support and an outgoing support, and the centering mechanism is located between the incoming support and the outgoing support.
As an improvement, the centering mechanism comprises:
the centering support is arranged in an arc shape, and the lower end part of the centering support is hinged and installed on the base through an upright post; and
and the rollers are arranged at equal intervals along the arc direction of the centering bracket and are used for supporting the wheel to be tested.
As an improvement, when the centering mechanism swings and expands, rollers on the centering mechanism are in interference fit with wheels to be tested.
As an improvement, when the centering mechanism is folded, the roller at the top of the centering mechanism is arranged to be flush with the upper end surface of the dynamometer support.
As an improvement, the rotary drive mechanism includes:
the drive shaft is rotatably arranged below the dynamometer support, is provided with a positive thread and a negative thread and is driven by a drive motor to rotate;
the nut is arranged on the driving shaft and is respectively arranged at the positive thread and the negative thread;
the sliding plate is arranged on the nut, and two sliding block pairs are arranged at two end parts of the sliding plate; and
the connecting rod is connected with the centering mechanism and the sliding plate, and the nut drives the centering mechanism to swing when moving along the driving shaft.
As an improvement, install the friction roller on the drive shaft, be provided with spiral friction line on the lateral wall of this friction roller, and be provided with breach portion on the lateral wall on this friction roller, friction line with dynamometer roller friction drives the dynamometer roller is rotatory, breach portion with during the dynamometer roller cooperation, the friction roller with the dynamometer roller breaks away from the cooperation.
As an improvement, the blocking mechanism comprises:
the blocking roller is arranged in a lifting manner, and a lifting seat is arranged at the lower part of the blocking roller;
the screw rod is vertically arranged below the lifting seat, and the top of the screw rod is fixedly connected with the lifting seat;
the screw rod nut is rotatably arranged on the base and is matched with the screw rod;
the worm wheel is matched and connected with the screw rod nut, and the worm wheel rotates to drive the screw rod nut to rotate; and
the worm is arranged on the driving shaft, synchronously rotates along with the driving shaft, and drives the worm wheel to rotate.
As an improvement, the lifting mechanism comprises:
the lifting rollers are arranged at equal intervals along the traveling path of the automobile;
the lifting seat is used for installing the lifting roller; and
and the lifting hydraulic cylinder is arranged on the power measuring support and drives the lifting seat to lift.
The invention has the beneficial effects that:
(1) according to the invention, the wheels are centered and abutted against the dynamometer rollers by the centering mechanism, the dynamometer rollers are enabled to obtain a certain rotation amount in advance by the rotation driving mechanism and abutted against the pre-rotated wheels for dynamometer, so that damage to the dynamometer at the moment of starting is avoided, an automobile which is not subjected to dynamometer is lifted by the lifting mechanism, the cover plate automobile is used as the weight on the dynamometer rollers, the purpose of changing the friction force is achieved, and the technical problem that the dynamometer precision is influenced is solved;
(2) according to the invention, the centering mechanism is driven to swing by the rotation driving mechanism, the dynamometer roller obtains a preliminary rotation speed through the friction of the friction roller, and when the dynamometer roller performs dynamometer work, the notch part on the friction roller is matched with the dynamometer roller, so that the friction roller does not generate any interference on the dynamometer roller;
(3) according to the invention, the rotary driving mechanism is used for driving the blocking roller in the blocking mechanism to lift, and the blocking roller is used for limiting the wheel of the automobile which is not tested with power, so that the stability of the automobile in the process of testing power is ensured, and the safety of the automobile in the subsequent automobile lifting process is also ensured;
(4) the invention changes the mass of the automobile acting on the dynamometer roller by lifting the height of the wheel which is not used for dynamometer of the automobile, so that the friction force of the dynamometer roller on the wheel is changed, and the change of the friction force in a large range can be well simulated in a small range by lifting the gravity center of the automobile due to the large mass of the automobile, so that the simulation range is wider.
In conclusion, the device has the advantages of high power measuring precision, good simulation effect, safety, stability and the like, and is particularly suitable for the technical field of power measuring mechanical equipment of the automobile chassis.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic structural diagram of the working state of the present invention;
FIG. 4 is a schematic view of the connection structure of the dynamometer roll of the present invention;
FIG. 5 is a schematic perspective view of the rotary driving mechanism of the present invention;
FIG. 6 is a schematic perspective view of a centering mechanism according to the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 2;
FIG. 8 is a schematic perspective view of a friction roller according to the present invention;
FIG. 9 is an enlarged view of the structure at B in FIG. 2;
fig. 10 is a schematic perspective view of the blocking mechanism of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example (b):
as shown in fig. 1 to 3, a chassis power measuring device based on IGBT technology includes a base 1, a power measuring machine 2 and a power measuring roller 3, the power measuring machine 2 is in transmission connection with the power measuring roller 3, and the chassis power measuring device further includes:
the power measuring support 4 is arranged in a slope shape, the power measuring support 4 is used for walking an automobile, the power measuring roller 3 is mounted on the power measuring support 4 along the walking path of the automobile, and the power measuring roller 3 is arranged below the upper end face of the power measuring support 4;
the centering mechanisms 5 are symmetrically arranged on two sides of the dynamometer roll 3, the centering mechanisms 5 are arranged on the base 1 in a swinging mode, and the centering mechanisms 5 form a wrapping area 50 of a wheel;
the rotary driving mechanism 6 is arranged below the centering mechanism 5, the rotary driving mechanism 6 drives the centering mechanism 5 to swing, so that the wheels in the coating area 50 descend to abut against the dynamometer rollers 3, and the rotary driving mechanism 6 drives the dynamometer rollers 3 to rotate before the dynamometer rollers 3 abut against the wheels;
the blocking mechanism 7 is arranged on the dynamometer support 4, the blocking mechanism 7 is arranged on the rear side of the centering mechanism 5 along the traveling path of the automobile, and the blocking mechanism 7 is driven by the rotary driving mechanism 6 to lift and limit wheels which are not used for dynamometer on the automobile; and
and the lifting mechanism 8 is adjacent to the blocking mechanism 7, the blocking mechanism 7 is installed on the dynamometer support 4, and the lifting mechanism 8 is used for lifting wheels which are not used for dynamometer on the automobile.
Further, the dynamometer rollers 3 are provided with two groups, and the dynamometer rollers 3 are coaxially connected through a coupler 31.
Furthermore, the dynamometer support 4 includes an incoming support 41 and an outgoing support 42, and the centering mechanism 5 is located between the incoming support 41 and the outgoing support 42.
It should be noted that, when the vehicle is driven in by the guidance of the driving-in bracket 42, and the wheel to be tested is driven into the coating area 50 formed by the combination of the centering mechanisms 5, the wheel is just clamped in the coating area 50, and then the centering mechanisms 5 are swung and opened by the driving of the rotary driving mechanism 6, so that the wheel slowly descends to collide with the dynamometer roller 3, and in this process, the wheel and the dynamometer roller 3 automatically complete the centering operation.
It is further explained that, in the process that the centering mechanism 5 is driven to open by the rotation driving mechanism 6, the rotation driving mechanism 6 drives the dynamometer roller 3 to rotate in a friction mode to obtain a certain advanced rotation speed, and the wheel to be tested also rotates in the process of descending, so that the wheel collides with the dynamometer roller 3, the rotating wheel is matched with the dynamometer roller rotating synchronously, and the starting stage from static to rotating is directly skipped.
It should be further noted that when the friction force on the dynamometer roller 3 needs to be changed to simulate different dynamometer states, the friction force on the dynamometer roller 3 can be changed only by lifting the other side of the automobile through the lifting mechanism 8.
As a preferred embodiment, as shown in fig. 6, the centering mechanism 5 includes:
the centering bracket 51 is arranged in an arc shape, and the lower end part of the centering bracket 51 is hinged and installed on the base 1 through a vertical column 52; and
Further, when the centering mechanism 5 swings and expands, the rollers 53 on the centering mechanism 5 are in interference fit with the wheels to be tested.
Furthermore, when the centering mechanism 5 is folded, the roller 53 on the top of the centering mechanism 5 is flush with the upper end surface of the dynamometer support 4.
It should be noted that after the centering mechanism 5 is expanded and opened, the coating region 50 just coats the lower part of the wheel, and the coating of the coating region 50 enables the dynamometer roller 3 to collide with the wheel, so that the arc-shaped depression of the wheel at the position where the wheel collides with the dynamometer roller is avoided, and the state of the wheel when the wheel runs on the road surface can be better simulated.
As shown in fig. 5 to 7, as a preferred embodiment, the rotation driving mechanism 6 includes:
a driving shaft 61, wherein the driving shaft 61 is rotatably mounted below the dynamometer bracket 4, the driving shaft 61 is provided with a positive thread 611 and a negative thread 612, and the driving shaft 61 is driven by a driving motor 60 to rotate;
a nut 62, wherein the nut 62 is mounted on the driving shaft 61, and the nut is mounted on the positive thread 611 and the negative thread 612 respectively;
a sliding plate 63, wherein the sliding plate 63 is mounted on the nut 62, and sliding block pairs 64 are mounted on both ends of the sliding plate 63; and
and the connecting rod 65 is used for connecting the centering mechanism 5 with the sliding plate 63, and the nut 62 drives the centering mechanism 5 to swing when moving along the driving shaft 61.
As shown in fig. 8, a friction roller 613 is further mounted on the driving shaft 61, a spiral friction line 614 is provided on a side wall of the friction roller 613, a notch portion 615 is provided on a side wall of the friction roller 613, the friction line 614 and the dynamometer roller 3 rub to drive the dynamometer roller 3 to rotate, and when the notch portion 615 is matched with the dynamometer roller 3, the friction roller 613 and the dynamometer roller 3 are disengaged.
As shown in fig. 10, further, the blocking mechanism 7 includes:
a barrier roller 71, wherein the barrier roller 71 is arranged in a lifting way, and a lifting seat 72 is arranged at the lower part of the barrier roller 71;
the screw rod 73 is vertically arranged below the lifting seat 72, and the top of the screw rod 73 is fixedly connected with the lifting seat 72;
the screw nut 74 is rotatably arranged on the base 1, and the screw nut 74 is matched with the screw 73;
the worm wheel 75 is matched and connected with the screw rod nut 74, and the worm wheel 75 rotates to drive the screw rod nut 74 to rotate; and
and a worm 76, wherein the worm 76 is provided on the drive shaft 61, the worm 76 rotates synchronously with the drive shaft 61, and the worm 76 rotates the worm wheel 75.
It should be noted that the driving motor 60 drives the driving shaft 61 to rotate, and the nuts 62 are moved toward or away from each other by the rotation of the driving shaft 61 and the arrangement of the nuts 62 and the positive threads 611 and the negative threads 612, and the centering mechanism 5 is driven to swing by the arrangement of the sliding plate 63 and the connecting rod 65, so as to achieve the contraction and expansion of the centering mechanism 5.
Further, the drive shaft 61 rotates and simultaneously rotates the friction roller 613, so that the dynamometer roller 3 is pre-rotated by the friction of the friction roller 613 to obtain a certain initial speed.
It is further described that, when the driving shaft 61 rotates, the worm 76 is driven to rotate, and the worm wheel 75 is matched with the lead screw nut 74, so that the lead screw 73 is lifted upwards, and the blocking roller 71 is driven to be lifted, thereby achieving the purpose of limiting the automobile.
As shown in fig. 9, as a preferred embodiment, the lifting mechanism 8 includes:
the lifting rollers 81 are arranged at equal intervals along the traveling path of the automobile;
a lifting seat 82, wherein the lifting seat 82 is used for installing the lifting roller 81; and
and the lifting hydraulic cylinder 83 is installed on the dynamometer support 4, and the lifting hydraulic cylinder 83 drives the lifting seat 82 to lift.
It should be noted that, the reference mentioned in the background art discloses that the purpose of adjusting the friction force of the load roller is achieved by changing the free roller, but once the free roller is adjusted, the centering between the wheel and the load roller cannot be achieved, which may cause a great influence on the accuracy of the automobile power measurement, therefore, the wheel which is not subjected to the power measurement is lifted by the lifting mechanism 8, so as to achieve the purpose of changing the friction force between the wheel subjected to the power measurement and the power measurement roller 3, and in the process of lifting and changing the friction force, the coating area 50 of the centering mechanism 5 can well coat and limit the wheel subjected to the power measurement, thereby ensuring that the centering does not generate deviation.
The working process is as follows:
when a vehicle is driven in through the guiding of the driving support 42, when a wheel needing to measure power is driven into a coating area 50 formed by combining the centering mechanisms 5, the wheel is just clamped in the coating area 50, then the centering mechanism 5 is driven to swing and open through the driving of the rotary driving mechanism 6, the wheel slowly descends to collide with the power measuring roller 3, in the process, the wheel and the power measuring roller 3 automatically complete centering work, in the process that the centering mechanism 5 swings and opens, the driving shaft 61 rotates and simultaneously drives the friction roller 613 to rotate, so that the power measuring roller 3 is pre-rotated through the friction of the friction roller 613 to obtain a certain initial speed, when the power measuring wheel is matched with the power measuring roller 3, the rotation stage is also started, in addition, the worm 76 is driven to rotate while the driving shaft 61 rotates, and by means of the matching of the worm wheel 75 and the screw rod nut 74, the screw rod 73 is lifted upwards to drive the blocking roller 71 to be lifted, and the purpose of limiting the automobile is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a chassis dynamometer equipment based on IGBT technique, includes base (1), dynamometer machine (2) and dynamometer roller (3), dynamometer machine (2) with dynamometer roller (3) transmission is connected, its characterized in that still includes:
the power measuring support (4) is arranged in a slope shape, the power measuring support (4) is used for moving an automobile, the power measuring support (4) is provided with the power measuring roller (3) along the moving path of the automobile, and the power measuring roller (3) is arranged below the upper end face of the power measuring support (4);
the centering mechanisms (5) are symmetrically arranged on two sides of the dynamometer roll (3), the centering mechanisms (5) are arranged on the base (1) in a swinging mode, and the centering mechanisms (5) form a wheel coating area (50);
the rotary driving mechanism (6) is installed below the centering mechanism (5), the rotary driving mechanism (6) drives the centering mechanism (5) to swing, so that wheels positioned in the coating area (50) descend to abut against the dynamometer rollers (3), and the rotary driving mechanism (6) drives the dynamometer rollers (3) to rotate before the dynamometer rollers (3) do not abut against the wheels;
the blocking mechanism (7) is arranged on the dynamometer support (4), the blocking mechanism (7) is installed on the rear side of the centering mechanism (5) along the traveling path of the automobile, and the blocking mechanism (7) is driven by the rotary driving mechanism (6) to lift to limit wheels which are not used for dynamometer on the automobile; and
lifting mechanism (8), lifting mechanism (8) with stop gear (7) neighbour establishes, this stop gear (7) install in on dynamometer support (4), and this lifting mechanism (8) are used for lifting the wheel that does not carry out the dynamometer on the car.
2. The chassis power measuring device based on the IGBT technology as claimed in claim 1, wherein there are two sets of the power measuring rollers (3), and the power measuring rollers (3) are coaxially connected through a coupling (31).
3. The chassis dynamometer device based on IGBT technology according to claim 1, characterized in that the dynamometer support (4) includes an incoming support (41) and an outgoing support (42), and the centering mechanism (5) is located between the incoming support (41) and the outgoing support (42).
4. The chassis dynamometer device based on IGBT technology according to claim 1, characterized by the centering mechanism (5) comprising:
the centering support (51), the centering support (51) is arc-shaped, and the lower end part of the centering support (51) is hinged and installed on the base (1) through a vertical column (52); and
the rollers (53) are arranged at equal intervals along the arc direction of the centering bracket (51), and the rollers (53) are used for supporting a wheel to be tested.
5. The chassis dynamometer device based on the IGBT technology as claimed in claim 4, wherein when the centering mechanism (5) swings and unfolds, the rollers (53) on the centering mechanism (5) are arranged in interference fit with the wheels to be tested.
6. The chassis dynamometer device based on IGBT technology as per claim 4, characterized in that when said centering mechanism (5) is folded, the roller (53) on the top of said centering mechanism (5) is flush with the upper end surface of said dynamometer support (4).
7. The IGBT-technology-based chassis dynamometer device according to claim 1, wherein the rotary drive mechanism (6) comprises:
the driving shaft (61), the driving shaft (61) is rotatably mounted below the dynamometer support (4), the driving shaft (61) is provided with a positive thread (611) and a negative thread (612), and the driving shaft (61) is driven by a driving motor (60) to rotate;
a nut (62), wherein the nut (62) is mounted on the driving shaft (61), and the nut is respectively mounted on the positive thread (611) and the negative thread (612);
a sliding plate (63), wherein the sliding plate (63) is installed on the nut (62), and sliding block pairs (64) are installed at two end parts of the sliding plate (63); and
the connecting rod (65) is connected with the centering mechanism (5) and the sliding plate (63), and the nut (62) drives the centering mechanism (5) to swing when moving along the driving shaft (61).
8. The chassis power measuring device based on the IGBT technology as claimed in claim 6, wherein a friction roller (613) is mounted on the driving shaft (61), a spiral friction line (614) is arranged on a side wall of the friction roller (613), a notch portion (615) is arranged on a side wall of the friction roller (613), the friction line (614) and the power measuring roller (3) rub to drive the power measuring roller (3) to rotate, and when the notch portion (615) is matched with the power measuring roller (3), the friction roller (613) is disengaged from the power measuring roller (3).
9. The IGBT-technology-based chassis dynamometer device according to claim 6, wherein said blocking mechanism (7) comprises:
the device comprises a blocking roller (71), wherein the blocking roller (71) is arranged in a lifting manner, and a lifting seat (72) is arranged at the lower part of the blocking roller (71);
the screw rod (73), the said screw rod (73) is mounted vertically under the said lifting seat (72), the top of the screw rod (73) is fixedly connected with said lifting seat (72);
the screw rod nut (74), the said screw rod nut (74) is installed on said base (1) rotatably, the screw rod nut (74) cooperates with said feed screw (73) to set up;
the worm wheel (75), the worm wheel (75) is connected with the screw rod nut (74) in a matching way, and the worm wheel (75) rotates to drive the screw rod nut (74) to rotate; and
the worm (76) is arranged on the driving shaft (61), the worm (76) rotates synchronously with the driving shaft (61), and the worm (76) drives the worm wheel (75) to rotate.
10. The chassis dynamometer device based on IGBT technology according to claim 1, characterized in that the lifting mechanism (8) comprises:
the lifting rollers (81) are arranged at equal intervals along the traveling path of the automobile;
a lifting seat (82), wherein the lifting seat (82) is used for installing the lifting roller (81); and
and the lifting hydraulic cylinder (83), the lifting hydraulic cylinder (83) is installed on the dynamometer support (4), and the lifting hydraulic cylinder (83) drives the lifting seat (82) to lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110135246.XA CN112985658B (en) | 2021-02-01 | 2021-02-01 | Chassis power measuring equipment based on IGBT technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110135246.XA CN112985658B (en) | 2021-02-01 | 2021-02-01 | Chassis power measuring equipment based on IGBT technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112985658A true CN112985658A (en) | 2021-06-18 |
| CN112985658B CN112985658B (en) | 2022-05-13 |
Family
ID=76345979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110135246.XA Active CN112985658B (en) | 2021-02-01 | 2021-02-01 | Chassis power measuring equipment based on IGBT technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112985658B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB524080A (en) * | 1939-01-21 | 1940-07-30 | Heenan & Froude Ltd | Improvements in eddy current dynamometers |
| US5277060A (en) * | 1992-03-04 | 1994-01-11 | Burke E. Porter Machinery Company | Wheel centering device |
| JPH06300669A (en) * | 1993-04-14 | 1994-10-28 | Meidensha Corp | Vehicle centering method for single roller type chassis dynamometer |
| JP2001289739A (en) * | 2000-04-06 | 2001-10-19 | Meidensha Corp | Vehicle-centering apparatus in chassis dynamometer |
| JP2007024797A (en) * | 2005-07-21 | 2007-02-01 | Meidensha Corp | Centering device |
| CN201212854Y (en) * | 2008-01-11 | 2009-03-25 | 北京欧润特科技有限公司 | Rotary hub chassis ergograph |
| CN101762350A (en) * | 2010-01-19 | 2010-06-30 | 中国汽车技术研究中心 | Centrally-mounted motorcar chassis electricity dynamometer |
| CN201885883U (en) * | 2010-12-13 | 2011-06-29 | 西安新威尔特机有限公司 | Automatic car tire location device for experiment of light car chassis dynamometer |
| CN203299004U (en) * | 2013-06-19 | 2013-11-20 | 启东市联通测功器有限公司 | Starting device |
| CN103884459A (en) * | 2014-03-27 | 2014-06-25 | 奇瑞汽车股份有限公司 | Power measuring equipment |
| US20170350775A1 (en) * | 2015-01-19 | 2017-12-07 | Meidensha Corporation | Control device for dynamometer system |
| CN108152046A (en) * | 2017-12-13 | 2018-06-12 | 重庆厚全科技发展有限公司 | Road simulation dynamometer bearing |
| CN108362502A (en) * | 2018-01-03 | 2018-08-03 | 浙江大学 | Wheel hub motor drive/braking performance test and energy regenerating is multifunctional test bed and its method |
| DE102018208234A1 (en) * | 2018-05-25 | 2019-11-28 | Bayerische Motoren Werke Aktiengesellschaft | Centering device for lateral centering of a motor vehicle on a chassis dynamometer, chassis dynamometer and method |
| CN111238827A (en) * | 2020-02-03 | 2020-06-05 | 中山市德思泰车辆检测科技有限公司 | Heavy-duty vehicle chassis dynamometer |
| CN211602246U (en) * | 2020-02-03 | 2020-09-29 | 中山市德思泰车辆检测科技有限公司 | Chassis dynamometer |
-
2021
- 2021-02-01 CN CN202110135246.XA patent/CN112985658B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB524080A (en) * | 1939-01-21 | 1940-07-30 | Heenan & Froude Ltd | Improvements in eddy current dynamometers |
| US5277060A (en) * | 1992-03-04 | 1994-01-11 | Burke E. Porter Machinery Company | Wheel centering device |
| JPH06300669A (en) * | 1993-04-14 | 1994-10-28 | Meidensha Corp | Vehicle centering method for single roller type chassis dynamometer |
| JP2001289739A (en) * | 2000-04-06 | 2001-10-19 | Meidensha Corp | Vehicle-centering apparatus in chassis dynamometer |
| JP2007024797A (en) * | 2005-07-21 | 2007-02-01 | Meidensha Corp | Centering device |
| CN201212854Y (en) * | 2008-01-11 | 2009-03-25 | 北京欧润特科技有限公司 | Rotary hub chassis ergograph |
| CN101762350A (en) * | 2010-01-19 | 2010-06-30 | 中国汽车技术研究中心 | Centrally-mounted motorcar chassis electricity dynamometer |
| CN201885883U (en) * | 2010-12-13 | 2011-06-29 | 西安新威尔特机有限公司 | Automatic car tire location device for experiment of light car chassis dynamometer |
| CN203299004U (en) * | 2013-06-19 | 2013-11-20 | 启东市联通测功器有限公司 | Starting device |
| CN103884459A (en) * | 2014-03-27 | 2014-06-25 | 奇瑞汽车股份有限公司 | Power measuring equipment |
| US20170350775A1 (en) * | 2015-01-19 | 2017-12-07 | Meidensha Corporation | Control device for dynamometer system |
| CN108152046A (en) * | 2017-12-13 | 2018-06-12 | 重庆厚全科技发展有限公司 | Road simulation dynamometer bearing |
| CN108362502A (en) * | 2018-01-03 | 2018-08-03 | 浙江大学 | Wheel hub motor drive/braking performance test and energy regenerating is multifunctional test bed and its method |
| DE102018208234A1 (en) * | 2018-05-25 | 2019-11-28 | Bayerische Motoren Werke Aktiengesellschaft | Centering device for lateral centering of a motor vehicle on a chassis dynamometer, chassis dynamometer and method |
| CN111238827A (en) * | 2020-02-03 | 2020-06-05 | 中山市德思泰车辆检测科技有限公司 | Heavy-duty vehicle chassis dynamometer |
| CN211602246U (en) * | 2020-02-03 | 2020-09-29 | 中山市德思泰车辆检测科技有限公司 | Chassis dynamometer |
Non-Patent Citations (2)
| Title |
|---|
| WEICHUN ZHANG 等: "Development of the MCG-200 simulated chassis dynamometer based on buzzy-PID", 《2008 IEEE INTERNATIONAL CONFERENCE ON AUTOMATION AND LOGISTICS》 * |
| 李黎: "馈能式交流底盘测功机DTC控制***", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅱ辑》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112985658B (en) | 2022-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109580258B (en) | Dynamic mechanical property testing system of tire | |
| CN101750176B (en) | Electric power measuring machine automatically centering automobile chassis | |
| CN101762350B (en) | Centrally-mounted motorcar chassis electricity dynamometer | |
| CN107356394A (en) | Rail car axle box bearing dither is test bed | |
| CN108692961B (en) | Chassis dynamometer test bed driven by permanent magnet synchronous motor | |
| CN203519346U (en) | Blade electric vehicle power assembly test bench | |
| CN106002049B (en) | A kind of synchronous lifting device | |
| CN203858342U (en) | Servo motor test platform | |
| CN103558032B (en) | Pure electric automobile power assembly testing table | |
| CN112985658B (en) | Chassis power measuring equipment based on IGBT technology | |
| CN204269369U (en) | The efficient automatic testing equipment of a kind of reductor startability | |
| CN208887938U (en) | The chassis dynamometer of permanent magnet synchronous motor driving | |
| CN109443729B (en) | Test device and test method for simulating rolling of automobile | |
| CN108760340B (en) | Chassis dynamometer with vehicle centering mechanism | |
| CN108362414A (en) | A kind of new automobile emission test road load system | |
| CN218382216U (en) | Automobile tire abrasion resistance testing machine | |
| CN101769810B (en) | Suspension type electric dynamometer for automotive chassis | |
| CN208568128U (en) | The internal rotor chassis dynamometer that permanent magnet synchronous motor directly drives | |
| CN105890832A (en) | IBS motor torque test bench | |
| CN110056231A (en) | A kind of wheel gripping mechanism | |
| CN201583375U (en) | Centrally-mounted automobile chassis electric dynamometer | |
| CN201637521U (en) | Auto-centering automotive chassis power tester | |
| CN104062119A (en) | Adjustment testbed for split bullet train wheel pair hollow shaft sleeve | |
| CN205719354U (en) | IBS motor torque testboard | |
| CN219328597U (en) | Detection platform for automobile bottom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |