Novel chassis dynamometer calibration device
By designing a new chassis dynamometer calibration device, which utilizes a combination of a limit ring and an airbag lifting structure and a motor drive to simulate road resistance, the problem of insufficient adaptability of traditional equipment is solved, enabling accurate and efficient testing of different vehicle models.
Patent Information
- Application Number
- CN202520097211.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Traditional lifting equipment has limited adaptability to different vehicle models, making it difficult to meet the differences in chassis structure and ground clearance of different vehicle models, thus affecting testing efficiency.
A novel chassis dynamometer calibration device is designed, comprising a mounting frame and a lifting assembly. By sliding the limit ring and the limit rod together, combined with the airbag pushing the push plate to lift the wheels, and by driving the rotating rod and coupling with a motor to simulate road resistance, the accuracy of the test is improved.
It enables reliable lifting and accurate inspection of different vehicle models, improving the efficiency and data accuracy of the inspection work.
Smart Images
Figure CN223727424U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile detection equipment, concretely to a novel chassis dynamometer calibration device. BACKGROUND
[0002] The chassis dynamometer is a kind of equipment for detecting the power performance of automobile, it mainly measures the power output of automobile chassis by simulating various working conditions of automobile driving on road, when automobile engine drives wheel rotation, measuring device will measure the rotational speed, torque and other parameters of roller, and the output power and other performance indexes of automobile chassis are obtained after calculation.
[0003] When detecting vehicle by chassis dynamometer, wheel needs to be lifted by lifting device, and the adaptability of traditional lifting equipment to different vehicle models is limited, the chassis structure, ground clearance and weight of different vehicle models are quite different, and different types of jack or lifting position may need to be adjusted, therefore, the utility model provides a novel chassis dynamometer calibration device. UTILITY MODEL CONTENT
[0004] The utility model discloses a novel chassis dynamometer calibration device to solve the problem of limited adaptability of traditional lifting equipment to different vehicle models in the background art. To achieve the above object, the utility model provides the following technical scheme: a novel chassis dynamometer calibration device, comprising a mounting frame and a lifting assembly, the lifting assembly is arranged in the inside of mounting frame, the lifting assembly comprises two connecting frames, two connecting frames are fixedly connected in the inside of mounting frame and two connecting frames are symmetrically distributed left and right, the top of two connecting frames is fixedly connected with two limit rings respectively and two limit rings are symmetrically distributed left and right, the inner part of two limit rings is slidably connected with a limit rod respectively, the top of two connecting frames is fixedly connected with a connecting seat respectively, the top of connecting seat is fixedly connected with an air bag, the outer side of connecting seat is fixedly connected with a connecting pipe, the top of air bag and limit rod is fixedly connected with a push plate, when using the device, the sliding connection of limit ring and limit rod makes that limit rod can limit and guide push plate, so that air bag can push push plate to move upwards, push plate can lift wheel, ensure the reliability of vehicle lifting and braking, air bag lifting can accurately lift vehicle to the height position required by instrument, which is beneficial to improve the work efficiency of maintenance and detection.
[0005] Further preferably, the top of the mounting frame is fixedly connected with four support plates, and the four support plates are linearly arrayed, two rotating grooves are formed in one side of each of the four support plates, and the two rotating grooves are symmetrically distributed front and back, and a support assembly is arranged in the rotating grooves.
[0006] Further preferably, the support assembly comprises a plurality of bearings, the plurality of bearings are fixedly connected in the interior of the rotating groove respectively, the interiors of the plurality of bearings are rotatably connected with four connecting rods, and the four rollers are distributed in a quadrilateral shape, and the side surfaces of the four connecting rods are fixedly connected with the rollers respectively.
[0007] Further preferably, the side surfaces of the four connecting rods are fixedly connected with the shaft couplings respectively, the back surface of the mounting frame is provided with two through holes which are distributed in a left-right symmetry, the interiors of the two through holes are fixedly connected with the outsides of the connecting pipes respectively, and the top of the mounting frame is provided with a detection assembly.
[0008] Further preferably, the detection assembly comprises a support frame one, the support frame one is fixedly connected with the top of the mounting frame, the top of the support frame one is fixedly connected with a motor, the transmission end on one side of the motor is fixedly connected with a rotating rod one, the side surface of the rotating rod one is fixedly connected with the interior of one of the shaft couplings, the top of the mounting frame is fixedly connected with a support frame two, so that the rollers can be provided with loads, the resistance that the automobile is subjected to when actually driving on the road can be simulated, and the accuracy of the detection data is improved.
[0009] Further preferably, the top of the support frame two is fixedly connected with an eddy current machine, the transmission end on one side of the eddy current machine is fixedly connected with a rotating rod two, the side surface of the rotating rod two is fixedly connected with the interior of the other shaft coupling, the top of the mounting frame is movably connected with a cover plate, and the top of the mounting frame is fixedly connected with a protective shell, so that the instantaneous power parameters of the automobile, such as torque, can be obtained.
[0010] Compared with the prior art, the automobile lifting device has the following beneficial effects:
[0011] In the utility model, when the device is used, the limiting rod can limit and guide the push plate through the sliding connection of the limiting ring and the limiting rod, the air bag can drive the push plate to move upwards, the push plate can lift the wheels, the reliability of vehicle lifting and braking is ensured, the air bag lifting can accurately lift the vehicle to the height position required by the instrument, and the working efficiency of maintenance and detection is improved.
[0012] In the utility model, when the inspection work is carried out, the staff can start the motor, the motor can drive the rotating rod one to rotate, the rotating rod one can drive the connecting rod and the roller to rotate through the shaft coupling, the load of the roller is provided, the resistance that the automobile is subjected to when actually driving on the road is simulated, and the accuracy of the detection data is improved. ACCURATE
[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0014] Figure 2The cross-sectional structure schematic diagram of the utility model Figure One ;
[0015] Figure 3 The utility model Figure 2 The structure schematic diagram of a place in the utility model
[0016] Figure 4 The cross-sectional structure schematic diagram of the utility model Figure Two ;
[0017] Figure 5 The utility model Figure 4 The structure schematic diagram of b place in the utility model
[0018] Figure 6 The cross-sectional structure schematic diagram of the utility model detection assembly.
[0019] In the figure: 1, mounting frame; 2, lifting assembly; 201, connecting frame; 202, limiting ring; 203, limiting rod; 204, connecting seat; 205, air bag; 206, connecting pipe; 207, push plate; 3, support plate; 4, rotating groove; 5, support assembly; 501, bearing; 502, connecting rod; 503, roller; 504, coupling; 6, through hole; 7, detection assembly; 701, support frame one; 702, motor; 703, rotating rod one; 704, support frame two; 705, eddy current machine; 706, rotating rod two; 8, cover plate; 9, protective shell. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in the art without creative work are within the protection scope of the utility model.
[0021] Please refer to Figures 1-6The utility model provides a technical scheme: a novel chassis dynamometer calibration device, including mounting frame 1 and lifting assembly 2, lifting assembly 2 sets up in the inside of mounting frame 1, lifting assembly 2 includes two connecting frames 201, two connecting frames 201 fixedly connected in the inside of mounting frame 1 and two connecting frames 201 are left and right symmetrical distribution, the top of two connecting frames 201 is fixedly connected with two limit rings 202 respectively and two limit rings 202 are left and right symmetrical distribution, the inside of two limit rings 202 is slidably connected with the limit rod 203 respectively, the top of two connecting frames 201 is fixedly connected with the connecting seat 204 respectively, the top of connecting seat 204 is fixedly connected with the gasbag 205, the outside of connecting seat 204 is fixedly connected with the connecting pipe 206, the top of gasbag 205 and limit rod 203 is fixedly connected with the push plate 207.
[0022] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 and Figure 6 , the top of mounting frame 1 is fixedly connected with four support plates 3 and four support plates 3 are linear array distribution, one side of four support plates 3 is respectively provided with two rotating grooves 4 and two rotating grooves 4 are front and back symmetrical distribution, the inside of rotating groove 4 is provided with support assembly 5, support assembly 5 includes a plurality of bearings 501, a plurality of bearings 501 are fixedly connected in the inside of rotating groove 4, the inside of a plurality of bearings 501 is rotatably connected with four connecting rods 502 and four rollers 503 are four-corner distribution, the side surface of four connecting rods 502 is respectively fixedly connected with roller 503, the side surface of four connecting rods 502 is respectively fixedly connected with shaft coupling 504, the back of mounting frame 1 is provided with two through holes 6 and two through holes 6 are left and right symmetrical distribution, the inside of two through holes 6 is respectively fixedly connected with the outside of connecting pipe 206, the top of mounting frame 1 is provided with detection assembly 7, the wheel can be moved to the top of roller 503, then the staff can start the vehicle, through the rotary connection between rotating groove 4 and bearing 501 and connecting rod 502, so that the wheel can drive roller 503 to rotate and work, so that roller 503 can drive shaft coupling 504 to rotate and work through connecting rod 502, so that shaft coupling 504 can drive rotary rod one 703 and rotary rod two 706 to rotate and work.
[0023] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 and Figure 6As shown, the detection assembly 7 includes a support frame one 701 fixedly connected to the top of the mounting frame 1, the top of the support frame one 701 is fixedly connected with a motor 702, the transmission end of one side of the motor 702 is fixedly connected with a rotating rod one 703, the side surface of the rotating rod one 703 is fixedly connected with the inside of one of the shaft couplings 504, the top of the mounting frame 1 is fixedly connected with a support frame two 704, the top of the support frame two 704 is fixedly connected with an eddy current machine 705, the transmission end of one side of the eddy current machine 705 is fixedly connected with a rotating rod two 706, the side surface of the rotating rod two 706 is fixedly connected with the inside of the other shaft coupling 504, the top of the mounting frame 1 is movably connected with a cover plate 8, the top of the mounting frame 1 is fixedly connected with a protective shell 9, the rotating rod two 706 can drive the rotor in the eddy current machine 705 to rotate, the magnetic flux on the surface of the rotor changes, according to the law of electromagnetic induction, eddy current potential is generated on the surface of the rotor, and eddy current is formed, the generated eddy current generates a magnetic field, the magnetic field interacts with the original excitation magnetic field, so that the brake torque opposite to the rotating direction is generated on the rotor, and the stator swings around the main shaft axis, the swing of the stator is transmitted to the pressure sensor through the lever, and the pressure sensor converts the force into an electric signal output, so that the instantaneous power parameters of the automobile, such as torque, can be obtained, at the same time, the external speed sensor can check the roller 503, then an electric signal is sent, and after processing, the instantaneous speed value is displayed, the computer calculates the instantaneous power value through a formula, and the staff can start the motor 702, so that the motor 702 can drive the rotating rod one 703 to rotate, so that the rotating rod one 703 can drive the connecting rod 502 and the roller 503 to rotate, and provide load for the roller 503, simulate the resistance received by the automobile when driving on the actual road.
[0024] The use method and advantages of the novel chassis dynamometer calibration device are as follows:
[0025] For example Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6As shown, in use of the device, the worker can first connect the eddy current machine 705 with the eddy current sensor, then the worker can open the wheel of the vehicle to be detected to the top of the push plate 207, and then the worker can connect the connecting pipe 206 with the electromagnetic valve and the gas tank, so that the worker can start the electromagnetic valve to discharge the gas in the air bag 205 to the outside through the connecting pipe 206, so that the air bag 205 can be compressed to make the push plate 207 move downward, so that the wheel can move to the top of the roller 503, and then the worker can start the vehicle, and through the rotating connection between the rotating groove 4, the bearing 501 and the connecting rod 502, the wheel can drive the roller 503 to rotate, so that the roller 503 can drive the coupling 504 to rotate through the connecting rod 502, so that the coupling 504 can drive the rotating rod one 703 and the rotating rod two 706 to rotate, so that the rotating rod two 706 can drive the rotor in the eddy current machine 705 to rotate, the magnetic flux on the surface of the rotor changes, according to the law of electromagnetic induction, eddy current potential and eddy current are generated on the surface of the rotor, and the generated eddy current generates a magnetic field, which interacts with the original excitation magnetic field, so that the rotor generates a braking torque opposite to the rotating direction, and the stator swings around the main shaft axis, and the swing of the stator is transmitted to the pressure sensor through the lever, and the pressure sensor converts the force into an electric signal output, so that the instantaneous power parameters of the vehicle, such as torque, can be obtained, at the same time, the external speed sensor can check the roller 503, and then sends an electric signal, and after processing, the instantaneous speed value is displayed, and the computer calculates the instantaneous power value, and the worker can start the motor 702, so that the motor 702 can drive the rotating rod one 703 to rotate, so that the rotating rod one 703 can drive the connecting rod 502 and the roller 503 to rotate through the coupling 504, to provide load for the roller 503, to simulate the resistance received by the vehicle when driving on the actual road, when the detection work is completed, the compressed air stored in the gas tank can enter the inside of the air bag 205 through the channel of the electromagnetic valve and the connecting pipe 206, and through the sliding connection of the limiting ring 202 and the limiting rod 203, the limiting rod 203 can limit and guide the push plate 207, so that the air bag 205 can push the push plate 207 to move upward, so that the push plate 207 can lift the wheel, so that the worker can drive the vehicle to move out of the area of the device.
[0026] The basic principle, main features and advantages of the present application are shown and described above. The technical personnel in the industry should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A novel chassis dynamometer calibration device comprising a mounting frame (1) and a lifting assembly (2), characterized in that: The lifting assembly (2) is arranged in the inside of the mounting rack (1), the lifting assembly (2) includes two connecting frames (201), two connecting frames (201) are fixedly connected in the inside of the mounting rack (1), and the two connecting frames (201) are symmetrically distributed left and right, the top of two connecting frames (201) is fixedly connected with two limit rings (202) respectively, and two limit rings (202) are symmetrically distributed left and right, the inside of two limit rings (202) is slidably connected with a limiting rod (203) respectively, the top of two connecting frames (201) is fixedly connected with a connecting seat (204) respectively, the top of the connecting seat (204) is fixedly connected with an air bag (205), the outer side of the connecting seat (204) is fixedly connected with a connecting pipe (206), and the top of the air bag (205) and the limiting rod (203) is fixedly connected with a push plate (207).
2. A novel chassis dynamometer calibration device according to claim 1, characterized in that: The top of the mounting rack (1) is fixedly connected with four support plates (3), and the four support plates (3) are linearly arranged, two rotating grooves (4) are formed in the side of the four support plates (3) respectively, and the two rotating grooves (4) are symmetrically distributed front and back, and the support assembly (5) is arranged in the rotating groove (4).
3. A novel chassis dynamometer calibration device according to claim 2, characterized in that: The support assembly (5) includes a plurality of bearings (501), a plurality of bearings (501) are fixedly connected in the rotating groove (4) respectively, a plurality of bearings (501) are rotatably connected with four connecting rods (502) in the inside, and four rollers (503) are arranged in the four connecting rods (502) in a quadrilateral manner.
4. A novel chassis dynamometer calibration device according to claim 3, characterized in that: The side surface of four connecting rods (502) is fixedly connected with a shaft coupling (504), the back of the mounting rack (1) is provided with two through holes (6), and the two through holes (6) are symmetrically distributed left and right, the inside of the two through holes (6) is fixedly connected with the outer side of the connecting pipe (206), and the top of the mounting rack (1) is provided with a detection assembly (7).
5. A novel chassis dynamometer calibration device according to claim 4, characterized in that: The detection assembly (7) includes a support frame (701), the support frame (701) is fixedly connected to the top of the mounting rack (1), the top of the support frame (701) is fixedly connected with a motor (702), the transmission end on one side of the motor (702) is fixedly connected with a rotating rod (703), the side surface of the rotating rod (703) is fixedly connected with the inside of one of the shaft couplings (504), and the top of the mounting rack (1) is fixedly connected with a support frame (704).
6. A novel chassis dynamometer calibration device according to claim 5, characterized in that: The top of the support frame (704) is fixedly connected with an eddy current machine (705), the transmission end on one side of the eddy current machine (705) is fixedly connected with a rotating rod (706), the side surface of the rotating rod (706) is fixedly connected with the inside of the other shaft coupling (504), the top of the mounting rack (1) is movably connected with a cover plate (8), and the top of the mounting rack (1) is fixedly connected with a protective shell (9).