CN212722057U - Vehicle emission dynamometer - Google Patents
Vehicle emission dynamometer Download PDFInfo
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- CN212722057U CN212722057U CN202021547775.8U CN202021547775U CN212722057U CN 212722057 U CN212722057 U CN 212722057U CN 202021547775 U CN202021547775 U CN 202021547775U CN 212722057 U CN212722057 U CN 212722057U
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Abstract
The utility model relates to the field of vehicle detection, and discloses a vehicle emission dynamometer, which comprises a frame, a main roller device, an auxiliary roller device and a lifting device, wherein the main roller device comprises a first roller, a second roller, a first brake component and a catch wheel, and the catch wheel is rotationally connected to the frame; the auxiliary roller device comprises a third roller, a transition plate and a second brake assembly, wherein the third roller is lower than the first roller and the second roller, the transition plate is positioned between the second roller and the third roller, and the transition plate inclines downwards along the direction from the second roller to the third roller; the lifting device comprises a supporting plate which is vertically connected with the rack in a sliding manner. The large and medium-sized vehicles can smoothly pass through the dynamometer, the included angles among the wheels of the car, the first roller, the second roller and the third roller are reduced, and the chassis of the car cannot collide with other parts on the dynamometer, so that the large and medium-sized vehicles can smoothly pass through the dynamometer and can be detected.
Description
Technical Field
The utility model relates to a vehicle detects technical field, in particular to dynamometer machine is discharged to vehicle.
Background
The vehicle emission dynamometer can be used for detecting the service performance, the safety performance and the like of a vehicle, because the chassis of a large and medium-sized vehicle is higher and the chassis of a car is lower, in the prior art, the dynamometer for heavy vehicle emission can only be used for detecting the large and medium-sized vehicle, but the car cannot smoothly run on a detection table of the dynamometer, even if the car runs on the detection table of the dynamometer, the car cannot normally run on the detection table, and the chassis is always damaged, so the large and medium-sized vehicle and the car can only be detected on different dynamometers, and the dynamometer occupies a larger floor area, and does not meet the current reasonable utilization requirement on land and the sustainable development of environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dynamometer machine is discharged to vehicle, can be applicable to the detection of big-and-middle-sized vehicle and the detection of car simultaneously, reduce the area of dynamometer machine.
According to the utility model discloses vehicle emission dynamometer machine, include: a frame; the main roller device comprises a first roller, a second roller, a first brake assembly and a catch wheel, wherein the first roller and the second roller are rotatably connected with the rack, the first brake assembly can abut against the first roller and the second roller, and the catch wheel is rotatably connected with the rack; a secondary drum device including a third drum having a highest height lower than the highest height of the first drum and the highest height of the second drum, a transition plate between the second drum and the third drum, the transition plate being inclined downward in a direction from the second drum to the third drum, and a second brake assembly abuttable against the third drum; the lifting device comprises a supporting plate, and the supporting plate is vertically connected with the rack in a sliding manner.
According to the utility model discloses vehicle emission dynamometer machine has following beneficial effect at least: the dynamometer can be simultaneously suitable for detection of large and medium vehicles and cars, when the large and medium vehicles are detected, the second brake component abuts against the third roller, the first brake component abuts against the first roller and the second roller, the first roller, the second roller and the third roller can be prevented from rotating, so that the large and medium vehicles can smoothly run on a detection table of the dynamometer, then the first brake component loosens the first roller and the second roller, the second brake component loosens the third roller, the first roller, the second roller and the third roller can rotate along with the wheels, the stop wheel can freely rotate, and the wheels can be prevented from deviating from the first roller and the second roller; when the sedan is detected, the sedan drives on the third roller and passes through the transition plate, then drives on the second roller, in the process, because the transition plate inclines downwards along the direction from the second roller to the third roller, the included angle between the wheels of the sedan and the third roller is reduced, the included angle between the wheels of the sedan and the second roller is also reduced, and the chassis of the sedan cannot collide with other parts on the dynamometer and the second roller; then the supporting plate is lifted upwards relative to the rack, the car drives on the first roller after driving on the supporting plate, in the process, the included angle between the wheels of the car and the first roller is also reduced, and the chassis of the car cannot collide with the first roller and the catch wheel, so that the car can smoothly drive on a detection table of the dynamometer and smoothly pass through for detection. Therefore, the dynamometer can be simultaneously suitable for detection of large and medium vehicles and detection of cars, and the occupied area of the dynamometer is reduced.
According to some embodiments of the invention, the lifting device further comprises a first driving member, an output end of the first driving member being connected to the support plate. The first driving member can drive the supporting plate to ascend or descend relative to the machine frame, and in some embodiments, the first driving member can be an air cylinder or other power member as long as the supporting plate can be driven to ascend or descend.
According to some embodiments of the invention, the first brake assembly comprises a first brake pad and a second brake pad, the first brake pad and the second brake pad all connect in the output of the first driving piece, the first brake pad can abut the first roller, the second brake pad can abut the second roller. When advancing, first driving piece drives first brake pads and second brake pads and moves towards first cylinder and second cylinder respectively, first brake pads butt on first cylinder can prevent that first cylinder from rotating, second brake pads butt on the second cylinder can prevent that the second cylinder from rotating, meanwhile, first driving piece also drives the backup pad and rises, when can reducing the vehicle and pass through, contained angle between tire and first cylinder or the second cylinder to the vehicle passes through smoothly, avoid colliding with the chassis of vehicle.
According to some embodiments of the invention, the first brake pad and the second brake pad are both made of a rubber material. When the first brake block and the second brake block abut against the first roller and the second roller respectively, the first brake block and the first roller can be prevented from generating rigid impact, the second brake block and the second roller can be prevented from generating rigid impact, and the first brake block, the second brake block, the first roller and the second roller can be protected.
According to some embodiments of the invention, the second brake assembly comprises a second drive member and a third brake pad, the output of the second drive member being connected to the third brake pad, the third brake pad being abuttable against the third drum. When the vehicle enters, the second driving piece drives the third brake block to move towards the third roller and enables the third brake block to abut against the third roller, so that the third roller is prevented from rotating, the wheel is prevented from slipping when the vehicle enters, and smooth vehicle entering is facilitated.
According to some embodiments of the invention, the third brake pad is made of a rubber material. The third brake block and the third roller can be prevented from generating rigid impact, and the third brake block and the third roller are protected.
According to some embodiments of the present invention, the outer surface of the first drum, the second drum and the third drum is provided with a frosting layer. The friction force between the wheels and the first roller, the second roller and the third roller can be increased, the wheels can be further prevented from slipping, and smooth vehicle entering is facilitated.
Drawings
Fig. 1 is a schematic view of an overall structure of a dynamometer according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a side view of the dynamometer according to the embodiment of the present invention.
In the drawings: 100 frames, 200 main roller devices, 210 first rollers, 220 second rollers, 230 first brake assemblies, 231 first brake blocks, 232 second brake blocks, 240 catch wheels, 300 auxiliary roller devices, 310 third rollers, 320 transition plates, 330 second brake assemblies, 331 second driving members, 332 third brake blocks, 400 lifting devices, 410 supporting plates, 420 first driving members, 500 middle cover plates.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, and a plurality of means are two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 3, an embodiment of the present invention provides a vehicle emission dynamometer, including a frame 100, a main drum device 200, an auxiliary drum device 300 and a lifting device 400, where the main drum device 200 includes a first drum 210, a second drum 220, a first brake assembly 230 and a catch wheel 240, the first drum 210 and the second drum 220 are both rotatably connected to the frame 100, the first brake assembly 230 can abut against the first drum 210 and the second drum 220, and the catch wheel 240 is rotatably connected to the frame 100; the sub drum device 300 includes a third drum 310, a transition plate 320, and a second brake assembly 330, a highest height of the third drum 310 is lower than a highest height of the first drum 210 and a highest height of the second drum 220, the transition plate 320 is located between the second drum 220 and the third drum 310, the transition plate 320 is inclined downward in a direction from the second drum 220 to the third drum 310, and the second brake assembly 330 may abut on the third drum 310; the lifting device 400 includes a support plate 410, and the support plate 410 is vertically slidably coupled to the frame 100.
The dynamometer can be simultaneously suitable for detection of large and medium-sized vehicles and cars, when the large and medium-sized vehicles are detected, the second brake assembly 330 abuts against the third roller 310, the first brake assembly 230 abuts against the first roller 210 and the second roller 220, the first roller 210, the second roller 220 and the third roller 310 can be prevented from rotating, so that the large and medium-sized vehicles can smoothly run on a detection table of the dynamometer, then the first brake assembly 230 releases the first roller 210 and the second roller 220, the second brake assembly 330 releases the third roller 310, the first roller 210, the second roller 220 and the third roller 310 can rotate along with the wheels, the catch wheel 240 can freely rotate, and the wheels can be prevented from deviating from the first roller 210 and the second roller 220; when the car is detected, the car drives on the third roller 310, passes through the transition plate 320 and then drives on the second roller 220, in the process, because the transition plate 320 inclines downwards along the direction from the second roller 220 to the third roller 310, the included angle between the wheels of the car and the third roller 310 is reduced, the included angle between the wheels of the car and the second roller 220 is also reduced, and the chassis of the car cannot collide with other parts on the dynamometer and the second roller 220; then the supporting plate 410 is lifted upwards relative to the frame 100, the car drives on the supporting plate 410 and then drives on the first roller 210, in the process, the included angle between the wheels of the car and the first roller 210 is also reduced, and the chassis of the car cannot collide with the first roller 210 and the catch wheel 240, so that the car can smoothly drive on a detection table of the dynamometer and smoothly pass through for detection. Therefore, the dynamometer can be simultaneously suitable for detection of large and medium vehicles and detection of cars, and the occupied area of the dynamometer is reduced.
Referring to FIG. 3, in some embodiments, the lifting device 400 further comprises a first driving member 420, and an output end of the first driving member 420 is connected to the supporting plate 410. The first driving member 420 may drive the supporting plate 410 to ascend or descend with respect to the frame 100, and in some embodiments, the first driving member 420 may be an air cylinder or other power member as long as the supporting plate 410 can be driven to ascend or descend. In some embodiments, the first brake assembly 230 includes a first brake block 231 and a second brake block 232, the first brake block 231 and the second brake block 232 are both connected to the output end of the first drive member 420, the first brake block 231 can abut the first roller 210, and the second brake block 232 can abut the second roller 220. During the vehicle entering, the first driving part 420 drives the first brake block 231 and the second brake block 232 to move towards the first roller 210 and the second roller 220 respectively, the first brake block 231 abuts against the first roller 210 to prevent the first roller 210 from rotating, the second brake block 232 abuts against the second roller 220 to prevent the second roller 220 from rotating, meanwhile, the first driving part 420 also drives the supporting plate 410 to ascend, so that the included angle between the tire and the first roller 210 or the second roller 220 can be reduced when the vehicle passes through, the vehicle can pass through smoothly, and the chassis of the vehicle is prevented from being collided with.
Of course, when the first driving member 420 simultaneously drives the first and second stoppers 231 and 232 and the support plate 410, in order to make the first and second stoppers 231 and 232 flexibly contact the first and second rollers 210 and 220, respectively, the first driving member 420 may be an air bag having an air charging and discharging function, when the air bag is charged, the first and second stoppers 231 and 232 move toward the first and second rollers 210 and 220, respectively, and the support plate 410 is lifted upward, and when the air bag is discharged, the first and second stoppers 231 and 232 move away from the first and second rollers 210 and 220, respectively, and the support plate 410 is lowered.
In some embodiments, the first and second stop blocks 231 and 232 are made of a rubber material. When the first and second brake blocks 231 and 232 abut against the first and second rollers 210 and 220, respectively, the first and second brake blocks 231 and 232 can prevent the first and second rollers 231 and 210 from generating a rigid impact, and the second and second brake blocks 232 and 220 from generating a rigid impact, thereby protecting the first and second brake blocks 231 and 232, and the first and second rollers 210 and 220. With continued reference to fig. 3, in some embodiments, the second brake assembly 330 includes a second drive member 331 and a third brake shoe 332, an output end of the second drive member 331 is connected to the third brake shoe 332, and the third brake shoe 332 can abut the third drum 310. When the vehicle enters, the second driving unit 331 drives the third brake block 332 to move toward the third drum 310, and the third brake block 332 abuts against the third drum 310, so that the third drum 310 is prevented from rotating, the wheel slip is prevented when the vehicle enters, and the smooth vehicle entering is facilitated. Of course, the second driving member 331 can also be an airbag having inflation and deflation functions, similar to the first driving member 420, and detailed description thereof is omitted here.
In some embodiments, third brake pad 332 is made of a rubber material. The third stopper 332 and the third drum 310 are prevented from being rigidly impacted, and the third stopper 332 and the third drum 310 are protected. In some embodiments, the outer surfaces of the first, second and third rollers 210, 220, 310 are provided with a frosted layer. The friction force between the wheels and the first drum 210, the second drum 220 and the third drum 310 can be increased, the wheels can be further prevented from slipping, and smooth vehicle entering is facilitated. In some embodiments, the main roller device 200, the lifting device 400 and the secondary roller device 300 are provided with two sets so as to accommodate detection of two sets of wheels of a vehicle, the two sets of main roller devices 200 are distributed along the extending direction of the first roller 210, the two sets of secondary roller devices 300 are distributed along the extending direction of the third roller 310, an intermediate cover plate 500 is installed between the two sets of main roller devices 200 and between the two sets of secondary roller devices 300, a catch wheel 240 is also provided on the intermediate cover plate 500, and the catch wheel 240 on the intermediate cover plate 500 and the catch wheel 240 on the rack 100 are oppositely arranged.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A vehicle emission dynamometer, comprising:
a frame (100);
the main roller device (200) comprises a first roller (210), a second roller (220), a first brake assembly (230) and a catch wheel (240), wherein the first roller (210) and the second roller (220) are both rotatably connected with the rack (100), the first brake assembly (230) can abut against the first roller (210) and the second roller (220), and the catch wheel (240) is rotatably connected with the rack (100);
a sub drum device (300) including a third drum (310), a transition plate (320), and a second brake assembly (330), a highest height of the third drum (310) being lower than a highest height of the first drum (210) and a highest height of the second drum (220), the transition plate (320) being located between the second drum (220) and the third drum (310), the transition plate (320) being inclined downward in a direction from the second drum (220) to the third drum (310), the second brake assembly (330) being abuttable against the third drum (310);
the lifting device (400) comprises a supporting plate (410), and the supporting plate (410) is vertically connected with the rack (100) in a sliding mode.
2. A vehicle emissions dynamometer according to claim 1, characterized in that the lifting device (400) further comprises a first driver (420), the output of the first driver (420) being connected to the support plate (410).
3. A vehicle emissions dynamometer according to claim 2, wherein the first brake assembly (230) includes a first brake block (231) and a second brake block (232), the first brake block (231) and the second brake block (232) each being connected to the output of the first drive member (420), the first brake block (231) being abuttable to the first roller (210), the second brake block (232) being abuttable to the second roller (220).
4. A vehicle emissions dynamometer according to claim 3, characterized in that said first brake pad (231) and said second brake pad (232) are both made of rubber material.
5. A vehicle emissions dynamometer according to claim 1, wherein the second brake assembly (330) includes a second driver (331) and a third brake block (332), the output of the second driver (331) being connected to the third brake block (332), the third brake block (332) being abuttable against the third drum (310).
6. The vehicle emissions dynamometer according to claim 5, wherein the third brake pad (332) is made of a rubber material.
7. The vehicle emissions dynamometer according to any one of claims 1 through 6, wherein outer surfaces of the first drum (210), the second drum (220), and the third drum (310) are provided with a frosted layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021547775.8U CN212722057U (en) | 2020-07-30 | 2020-07-30 | Vehicle emission dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021547775.8U CN212722057U (en) | 2020-07-30 | 2020-07-30 | Vehicle emission dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212722057U true CN212722057U (en) | 2021-03-16 |
Family
ID=74910687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021547775.8U Active CN212722057U (en) | 2020-07-30 | 2020-07-30 | Vehicle emission dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212722057U (en) |
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2020
- 2020-07-30 CN CN202021547775.8U patent/CN212722057U/en active Active
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