CN118549017A - Automobile chassis dynamometer - Google Patents
Automobile chassis dynamometer Download PDFInfo
- Publication number
- CN118549017A CN118549017A CN202410703620.5A CN202410703620A CN118549017A CN 118549017 A CN118549017 A CN 118549017A CN 202410703620 A CN202410703620 A CN 202410703620A CN 118549017 A CN118549017 A CN 118549017A
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- Prior art keywords
- sand
- wheel
- automobile chassis
- automobile
- chassis dynamometer
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- 239000004576 sand Substances 0.000 claims abstract description 149
- 238000011084 recovery Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an automobile chassis dynamometer, which comprises a base, sand wheels, a sand supply machine, a velocimeter, a motor and a power detector, wherein the sand wheels are rotationally connected to the base, each sand wheel comprises side baffles and a baffle plate, a container Sha Qiang is formed between the two side baffles, the baffle plates for separating the container Sha Qiang into a plurality of sand containing units are arranged in the side baffles, and the sand supply machine is used for conveying sand into a sand containing cavity; the driving wheel frame of the automobile is arranged on the sand wheel and drives the sand wheel to rotate, and the velocimeter is used for detecting the rotating speed of the sand wheel; after the driving wheel of the automobile leaves the sand wheel, the motor drives the sand wheel to rotate, and the power detector detects the power of the motor. The invention provides an automobile chassis dynamometer, which is used for detecting the power of an automobile chassis at different running speeds on a sand.
Description
Technical Field
The invention relates to the technical field of chassis dynamometer, in particular to an automobile chassis dynamometer.
Background
In the automotive industry and related engineering test fields, it is important to accurately evaluate the performance of an automobile under different road conditions. Traditional automobile chassis power testing methods are mainly focused on flat and hard roads, such as by using a dynamometer or traction testing. The method has certain accuracy in simulating the power output of the chassis under the normal running condition of the automobile. However, when an automobile faces soft and complex ground such as sandy land, the conventional test method cannot accurately reflect the performance of the chassis in a real environment. When the automobile runs on soft ground such as sand, the driving power of the chassis directly determines the passing performance and running efficiency of the automobile. However, a certain gap still exists in the current power measurement technology of the automobile chassis when the automobile chassis runs on the sand, and how to accurately measure and evaluate the power of the automobile chassis when the automobile chassis runs on the sand becomes a problem to be solved urgently.
Disclosure of Invention
Aiming at the prior art, the invention aims to provide an automobile chassis dynamometer for detecting the power of an automobile chassis at different low-speed running speeds on a sand.
In order to achieve the above object, the technical solution of the embodiment of the present invention is as follows:
The utility model provides an automobile chassis dynamometer, includes base, sand wheel, supplies sand machine, tachometer, motor and power detector, rotate on the base and be connected with the sand wheel, the sand wheel includes side shield and baffle, two form between the side shield holds Sha Qiang, be equipped with in the side shield with hold Sha Qiang separate into a plurality of hold the baffle of sand unit, supply sand machine is used for to hold sand intracavity transport sand; the driving wheel frame of the automobile is arranged on the sand wheel and drives the sand wheel to rotate, and the velocimeter is used for detecting the rotating speed of the sand wheel; after the driving wheel of the automobile leaves the sand wheel, the motor drives the sand wheel to rotate, and the power detector detects the power of the motor.
Further, the sand wheel further comprises an inner sleeve, the side baffle is provided with a through hole aligned with the inner sleeve, and the side baffle is connected with the baffle plate and the inner sleeve.
Further, the inner sleeve is provided with a bump, the base is provided with a bearing seat, the bearing seat is provided with a rotating shaft, the rotating shaft is provided with a clamping groove matched with the bump, the rotating shaft is provided with external threads, and two sides of the inner sleeve are provided with the locking nuts connected with the external threads.
Further, the sand feeder comprises a hopper, a first conveyer and a guide joint, sand is stored in the hopper, the guide joint comprises an arc plate, a bottom plate and a top plate, the arc plate is positioned on two sides, the bottom plate is connected to the bottom of the arc plate, the top plate is connected to the top of the arc plate, the bottom plate and the top plate enclose a sand passing channel, the bottom of the hopper is connected with a feed inlet of the first conveyer, and a discharge outlet of the first conveyer is communicated with the sand passing channel of the guide joint.
Further, the first conveyor is a screw conveyor.
Further, the base is provided with a groove, the sand wheel is arranged in the groove, and slopes are arranged in front of and behind the base.
Further, the bottom of recess intercommunication has the recovery jar, the recovery jar is used for retrieving follow sand that the sand wheel falls out, the recovery jar pass through the second conveyer with the hopper is connected.
Further, the second conveyor is a screw conveyor.
Further, the velocimeter is connected with the rotating shaft.
The invention has the beneficial effects that: the automobile is placed on the base, the driving wheel of the automobile is aligned with the sand wheel, and the sand wheel is driven to rotate when the driving wheel rotates. The sand supplying machine conveys sand to the Rong Sha cavity, the two side baffles prevent the sand from falling out from the side surfaces, and the baffle plates can push the sand to rotate, so that the sand can be in the sand wheel and rotate along with the sand wheel. When the driving wheel of the automobile drives the sand wheel to rotate, the rotation speed of the sand wheel is detected by using a velocimeter. After the automobile is driven off the base, the driving wheel of the automobile is separated from the sand wheel, the sand wheel is driven by the motor to rotate, and meanwhile, the power of the motor is detected by the power detector. When the rotating speed of the motor driving sand wheel is equal to the rotating speed of the automobile driving wheel driving sand wheel, the power of the automobile driving wheel driven in the sand can be judged through the measured motor power. The invention can detect the power of the automobile chassis when the automobile chassis runs on the sand, can also detect the power at different running speeds, and fills the blank of measuring the driving power of the automobile chassis on the sand.
Drawings
FIG. 1 is a schematic diagram of an automobile chassis dynamometer according to an embodiment of the present application;
FIG. 2is a schematic diagram of a material guiding joint and a sand wheel according to an embodiment of the present application;
Reference numerals illustrate:
1. A base; 2. a sand wheel; 3. a sand supply machine; 4. a velometer; 5. a motor; 6. a power detector; 7. side baffles; 8. a partition plate; 9. rong Sha chambers; 10. an inner sleeve; 11. a through hole; 12. a bump; 23. a bearing; 14. a rotating shaft; 15. a clamping groove; 16. an external thread; 17. a lock nut; 18. a hopper; 19. a first conveyor; 20. a material guiding joint; 21. an arc-shaped plate; 22. a bottom plate; 23. a top plate; 24. a groove; 25. a ramp; 26. a recovery tank; 27. and a second conveyor.
Detailed Description
The technical scheme of the invention is further elaborated below by referring to the drawings in the specification and the specific embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the following description, reference is made to the expression "some embodiments" which describe a subset of all possible embodiments, but it should be understood that "some embodiments" may be the same subset or a different subset of all possible embodiments and may be combined with each other without conflict.
It will be further understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "inner," "outer," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1-2 in combination, the application provides an automobile chassis dynamometer, which comprises a base 1, sand wheels 2, a sand feeder 3, a velocimeter 4, a motor 5 and a power detector 6, wherein the sand wheels 2 are rotatably connected to the base 1, the sand wheels 2 comprise side baffles 7 and a baffle plate 8, a sand containing cavity 9 is formed between the two side baffles 7, the baffle plate 8 for separating the sand containing cavity 9 into a plurality of sand containing units is arranged in the side baffles 7, and the sand feeder 3 is used for conveying sand into the sand containing cavity 9; the driving wheel frame of the automobile is arranged on the sand wheel 2 and drives the sand wheel 2 to rotate, and the velocimeter 4 is used for detecting the rotating speed of the sand wheel 2; after the driving wheel of the automobile leaves the sand wheel 2, the motor 5 drives the sand wheel 2 to rotate, and the power detector 6 detects the power of the motor 5. The automobile is placed on the base 1, the driving wheel of the automobile is aligned with the sand wheel 2, and the sand wheel 2 is driven to rotate when the driving wheel rotates. The sand feeder 3 conveys sand into the sand holding cavity 9, the two side baffles 7 prevent the sand from falling out from the side, and the baffle 8 can push the sand to rotate, so that the sand can be in the sand wheel 2 and rotate along with the sand wheel 2. When the driving wheel of the automobile drives the sand wheel 2 to rotate, the rotation speed of the sand wheel 2 is detected by the velocimeter 4. After the automobile is driven off the base 1, the driving wheel of the automobile is separated from the sand wheel 2, the sand wheel 2 is driven to rotate by the motor 5, and meanwhile, the power of the motor 5 is detected by the power detector 6. When the rotating speed of the motor 5 for driving the sand wheel 2 is equal to the rotating speed of the automobile driving wheel for driving the sand wheel 2, the power of the automobile driving wheel for driving the sand can be judged through the power of the motor 5 measured at the moment. The application can detect the power of the automobile chassis when the automobile chassis runs at a low speed on the sand, and fills the blank of measuring the driving power of the automobile chassis on the sand.
Specifically, the sand wheel 2 further comprises an inner sleeve 10, the side baffle 7 is provided with a through hole 11 aligned with the inner sleeve 10, and the side baffle 7 is connected with the baffle 8 and the inner sleeve 10. The sand wheel 2 forms a semi-closed structure, and sand enters the sand wheel 2 from the outside and rotates with the sand wheel 2 under the pushing of the partition plate 8.
Specifically, the inner sleeve 10 is provided with a bump 12, the base 1 is provided with a bearing 23 seat, the bearing 23 seat is provided with a rotating shaft 14, the rotating shaft 14 is provided with a clamping groove 15 matched with the bump 12, the rotating shaft 14 is provided with external threads 16, and two sides of the inner sleeve 10 are provided with locking nuts 17 connected with the external threads 16. The inner sleeve 10 is clamped with the rotating shaft 14, the sand wheels 2 are clamped by the locking nuts 17 on the two sides, the distance between the two sand wheels 2 can be adjusted, and the sand wheel is suitable for automobiles with different wheel tracks. Preferably, a rotary damper is arranged on the bearing 23 seat or the base 1, the rotary damper is connected with the sand wheel 2 or the rotating shaft 14, the sand wheel 2 receives resistance when rotating, the rotating speed of the wheel and the sand wheel 2 is reduced, and the measurement is convenient. The rotational damper may also be replaced by a brake drum or the like for reducing the rotational speed of the wheel and the sand wheel 2.
Specifically, the sand feeder 3 includes hopper 18, first conveyer 19 and guide joint 20, the hopper 18 stores sand, guide joint 20 includes arc 21, bottom plate 22 and roof 23, arc 21 is located the both sides, bottom plate 22 connect in the bottom of arc 21, roof 23 connect in the top of arc 21, bottom plate 22 and roof 23 enclose into and cross the sand passageway, the bottom of hopper 18 with the feed inlet of first conveyer 19 is connected, the discharge gate of first conveyer 19 with guide joint 20 cross the sand passageway intercommunication. Sand is stored in the hopper 18, and the sand in the hopper 18 is transported from the bottom into the guide joint 20 by the first conveyor 19. The arc-shaped plate 21, the bottom plate 22 and the top plate 23 of the guide connector 20 form a semi-surrounding structure, the discharge port of the first conveyor 19 is communicated with the sand passing channel of the guide connector 20, and sand entering the guide connector 20 can only be discharged from the other end into the sand wheel 2. Preferably, the first conveyor 19 is a screw conveyor, sand is conveyed into the guide joint 20 by using the first conveyor 19, so that the sand can be timely supplemented, the profile of the arc-shaped plate 21 of the guide joint 20 is matched with that of the wheel, the sand can be reduced from leaking out from the side, and the contact between the driving wheel and the sand is ensured.
Specifically, the base 1 is provided with a groove 24, the sand wheel 2 is arranged in the groove 24, and slopes 25 are respectively arranged in front of and behind the base 1. The sand wheel 2 is arranged in the groove 24, and the sand wheel 2 is leveled with the top of the base 1 or only a small part of the sand wheel is exposed, so that the driving wheel of the automobile can be conveniently driven onto the sand wheel 2. The ramp 25 facilitates the driving of the vehicle onto the base 1.
Specifically, a recovery tank 26 is connected to the bottom of the groove 24, the recovery tank 26 is used for recovering sand falling from the sand wheel 2, and the recovery tank 26 is connected to the hopper 18 through a second conveyor 27. Sand enters the recovery tank 26 where it is transported back into the hopper 18 by the second conveyor 27. Preferably, the second conveyor 27 is a screw conveyor.
Specifically, the tachometer 4 is connected with the rotating shaft 14, and the rotating speed of the sand wheel 2 is determined by detecting the rotating speed of the rotating shaft 14.
The foregoing is merely illustrative embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present invention, and the invention should be covered. The scope of the invention is to be determined by the appended claims.
Claims (9)
1. The utility model provides an automobile chassis dynamometer, its characterized in that includes base (1), sand wheel (2), supplies sand machine (3), tachometer (4), motor (5) and power detector (6), rotate on base (1) and be connected with sand wheel (2), sand wheel (2) are including side shield (7) and baffle (8), two form between side shield (7) and hold sand chamber (9), be equipped with in side shield (7) with hold sand chamber (9) separate into a plurality of baffle (8) that hold sand unit, supply sand machine (3) be used for to hold sand chamber (9) in carry sand; the driving wheel of the automobile is arranged on the sand wheel (2) and drives the sand wheel (2) to rotate, and the velocimeter (4) is used for detecting the rotating speed of the sand wheel (2); after the driving wheel of the automobile leaves the sand wheel (2), the motor (5) drives the sand wheel (2) to rotate, and the power detector (6) detects the power of the motor (5).
2. An automobile chassis dynamometer according to claim 1, characterized in that the sand wheel (2) further comprises an inner sleeve (10), the side shield (7) being provided with a through hole (11) aligned with the inner sleeve (10), the side shield (7) being connected with the partition (8) and the inner sleeve (10).
3. An automobile chassis dynamometer according to claim 2, characterized in that the inner sleeve (10) is provided with a bump (12), the base (1) is provided with a bearing (23) seat, the bearing (23) seat is provided with a rotating shaft (14), the rotating shaft (14) is provided with a clamping groove (15) matched with the bump (12), the rotating shaft (14) is provided with an external thread (16), and two sides of the inner sleeve (10) are provided with locking nuts (17) connected with the external thread (16).
4. The automobile chassis dynamometer according to claim 1, wherein the sand feeder (3) comprises a hopper (18), a first conveyor (19) and a guide joint (20), sand is stored in the hopper (18), the guide joint (20) comprises an arc plate (21), a bottom plate (22) and a top plate (23), the arc plate (21) is located at two sides, the bottom plate (22) is connected to the bottom of the arc plate (21), the top plate (23) is connected to the top of the arc plate (21), the bottom plate (22) and the top plate (23) enclose a sand passing channel, the bottom of the hopper (18) is connected with a feed inlet of the first conveyor (19), and a discharge outlet of the first conveyor (19) is communicated with the sand passing channel of the guide joint (20).
5. An automobile chassis dynamometer according to claim 4, characterized in that the first conveyor (19) is a screw conveyor.
6. The automobile chassis dynamometer of claim 6, wherein the base (1) is provided with a groove (24), the sand wheel (2) is arranged in the groove (24), and slopes (25) are arranged in front of and behind the base (1).
7. An automobile chassis dynamometer according to claim 1, characterized in that the bottom of the recess (24) is connected with a recovery tank (26), the recovery tank (26) being used for recovering sand falling from the sand wheel (2), the recovery tank (26) being connected with the hopper (18) by means of a second conveyor (27).
8. An automobile chassis dynamometer according to claim 7, characterized in that said second conveyor (27) is a screw conveyor.
9. An automobile chassis dynamometer according to claim 1, characterized in that the velocimeter (4) is connected with the spindle (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410703620.5A CN118549017A (en) | 2024-06-03 | 2024-06-03 | Automobile chassis dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410703620.5A CN118549017A (en) | 2024-06-03 | 2024-06-03 | Automobile chassis dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118549017A true CN118549017A (en) | 2024-08-27 |
Family
ID=92454190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410703620.5A Pending CN118549017A (en) | 2024-06-03 | 2024-06-03 | Automobile chassis dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118549017A (en) |
-
2024
- 2024-06-03 CN CN202410703620.5A patent/CN118549017A/en active Pending
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