Self-starting horsepower dynamometer with wind resistance simulation function

Abstract

The utility model discloses a self-starting horsepower dynamometer with a wind resistance simulation function. The self-starting horsepower dynamometer comprises a test platform. The rear wheel driving assembly comprises a starter and a driving wheel, the starter is arranged on the testing platform, the driving wheel is hinged to the testing platform, a dynamometer assembly is connected to a rotating shaft of the driving wheel, the starter is used for driving the driving wheel to rotate, and the periphery of the driving wheel is higher than the upper end face of the testing platform; and the fan assembly is arranged on the upper end face of the test platform, and the fan assembly is used for providing wind resistance. A set of starter is additionally arranged in the rear wheel driving assembly, the starter drives the driving wheel to start the motorcycle for testing, the starter of the motorcycle does not need to be used for starting, the motorcycle can be tested under the same starting condition, testing data are more accurate, and testing efficiency is improved. And meanwhile, certain wind resistance can be formed for the motorcycle under test through the fan assembly, the wind resistance condition in the actual driving process is simulated, and the test accuracy is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle dynamometer, in particular to a self-starting horsepower dynamometer with a wind resistance simulation function. Background Art

[0002] The use of chassis dynamometers in automobile testing is already very common. A motorcycle is driven at a specified speed on a chassis dynamometer to simulate actual driving conditions.

[0003] However, in recent years, with the continuous development and progress of science and technology, traditional motorcycle dynamometers use the motorcycle's own starter to perform starting tests. Since the starters of different models of motorcycles are different, the test accuracy deviation is large, and traditional motorcycle dynamometers cannot simulate the actual driving situation. Utility Model Content

[0004] The utility model provides a self-starting horsepower dynamometer with a wind resistance simulation function, aiming to at least solve one of the technical problems existing in the prior art.

[0005] The technical solution of the utility model relates to a self-starting horsepower dynamometer with a wind resistance simulation function, which is characterized by comprising:

[0006] Test platform;

[0007] A rear wheel drive assembly, comprising a starter and a drive wheel, wherein the starter is arranged on the test platform, the drive wheel is hinged to the test platform, a dynamometer assembly is connected to the rotating shaft of the drive wheel, the starter is used to drive the drive wheel to rotate, and the outer periphery of the drive wheel is higher than the upper end surface of the test platform;

[0008] A fan assembly is arranged on the upper end surface of the test platform, and the fan assembly is used to provide wind resistance.

[0009] According to some embodiments of the present utility model, a first gear is provided at the output end of the starter, and a second gear meshing with the first gear is provided on the side of the driving wheel.

[0010] According to some embodiments of the present utility model, two fan assemblies are provided, and the two fan assemblies are symmetrically arranged on the test platform along the left-right direction.

[0011] According to some embodiments of the present utility model, the fan assembly includes:

[0012] An adjusting arm, hinged to the testing platform;

[0013] An adjustment support, hinged to the adjustment arm;

[0014] The blower is arranged on the adjustment support, the adjustment arm is used to adjust the air outlet direction of the blower along the horizontal plane, and the adjustment support is used to adjust the air outlet angle of the blower along the vertical plane.

[0015] According to some embodiments of the present utility model, the adjustment arm includes a first rotating rod and a second rotating rod, the first rotating rod is hinged to the test platform, one end of the second rotating rod is hinged to the first rotating rod, and the adjustment support is hinged to the other end of the second rotating rod.

[0016] According to some embodiments of the utility model, the adjustment support includes a support frame and a base, the base is hinged to the adjustment arm, the side of the support frame is hinged to the side of the base, and the blower is connected to the upper end surface of the support frame.

[0017] According to some embodiments of the present invention, a front wheel fixing assembly is further included, which is arranged at the front end of the test platform. The front wheel fixing assembly is provided with an adjustment assembly for adjusting the front wheel fixing assembly to move forward and backward on the test platform.

[0018] According to some embodiments of the present invention, a lock is further included. The lock is arranged on one side of the test platform and is used to fix the motorcycle frame.

[0019] According to some embodiments of the utility model, a bridge plate is further included, wherein the bridge plate is tiltedly arranged at the rear side of the test platform, and the bridge plate is used for a motorcycle to enter the test platform.

[0020] According to some embodiments of the present invention, the test platform further includes a bracket disposed on a side of the test platform, and the bracket is provided with a control terminal and a display screen.

[0021] The beneficial effects of the utility model are as follows.

[0022] 1. By adding a set of starters to the rear-wheel drive assembly, the starter drives the drive wheel to start the motorcycle for testing, without using the motorcycle's own starter for starting, so that the motorcycle can be tested under the same starting conditions, and the test data is more accurate. At the same time, the fan assembly can form a certain wind resistance on the motorcycle under test, simulating the wind resistance conditions during actual driving, and further improving the accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a horsepower dynamometer with adjustable wheelbase according to an embodiment of the utility model;

[0024] Figure 2 FIG. 1 is a side view of a horsepower dynamometer with adjustable wheelbase according to an embodiment of the present utility model;

[0025] Figure 3 yes Figure 2 A cross-sectional view of an adjustment rod of a horsepower test machine with adjustable wheelbase shown;

[0026] Figure 4 yes Figure 3 A partially enlarged schematic diagram of a horsepower test machine with adjustable wheelbase is shown;

[0027] Figure 5 It is a structural schematic diagram of a front wheel fixing assembly of an embodiment of the utility model;

[0028] Figure 6 It is a schematic structural diagram of a rear wheel drive assembly of an embodiment of the utility model;

[0029] Figure 7 It is a structural schematic diagram of a fan assembly according to an embodiment of the utility model.

[0030] Figure Number:

[0031] Test platform 100, lock 110, bridge plate 120, bracket 130, control terminal 140, display screen 150;

[0032] Front wheel fixing assembly 200, guide groove 210, guide surface 211, square groove 212, fixing plate 220, movable plate 230, connecting rod 231;

[0033] Adjustment assembly 300, driving member 310, motor 311, gear box 312, adjustment rod 320, stop block 330, nut 340;

[0034] Rear wheel drive assembly 400, starter 410, first gear 411, drive wheel 420, second gear 421;

[0035] The fan assembly 500, the adjustment arm 510, the first rotating rod 511, the second rotating rod 512, the adjustment support 520, the support frame 521, the base 522, and the blower 530;

[0036] Dynamometer assembly 600. DETAILED DESCRIPTION

[0037] The following content will describe several embodiments of the present utility model, including embodiments corresponding to the drawings. It can be understood that the drawings are used to assist in understanding the technical features and technical solutions of the present utility model, and should not be understood as limiting the scope of protection of the present utility model.

[0038] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, scheme and effect of the utility model. It should be noted that the embodiments and features in the embodiments of this application can be combined with each other without conflict.

[0039] It should be noted that, unless otherwise clearly defined, when a feature is referred to as "fixed", "connected", "installed" or "set on" another feature, it can be directly "fixed", "connected", "installed" or "set on" another feature, or it can be indirectly "fixed", "connected", "installed" or "set on" another feature. The words "fixed", "connected", "installed" or "set on" should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meaning of the above words in this utility model in combination with the specific content of the technical solution.

[0040] It should be noted that the descriptions of the directions or positional relationships indicated by up, down, left, right, top, bottom, front, back, inside, and outside used in the present invention are based on the directions or positional relationships in the drawings or embodiments and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0041] It should be noted that the term "and / or" used in the present utility model includes any combination of one or more related listed items, "above", "below", "within", etc. are understood to include the number itself.

[0042] It should be noted that the description of first and second in the utility model is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0043] It should be noted that, unless otherwise clearly defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art. The terms used in this specification are only for describing specific embodiments, not for limiting the present invention.

[0044] Reference Figures 1 to 7According to the utility model, a self-starting horsepower dynamometer with a wind resistance simulation function includes: a test platform 100; a front wheel fixing assembly 200, which is movably arranged on the test platform 100; an adjustment assembly 300, including a driving member 310, an adjustment rod 320 and a fixing member, the fixing member is arranged on the test platform 100, the front wheel fixing assembly 200 is connected to the adjustment rod 320, the adjustment rod 320 is connected to the output end of the driving member 310, and the middle part is threadedly connected to the fixing member. It can be understood that a screw screw is formed between the adjustment rod 320 and the fixing member, and the adjustment rod 320 rotates on the fixing member. While moving, it will move forward and backward relative to the fixing part. The driving member 310 is connected to the front wheel fixing component 200 and the rear wheel driving component 400, including a starter 410 and a driving wheel 420. The starter 410 is arranged on the test platform 100, and the driving wheel 420 is hinged to the test platform 100. The driving wheel 420 has a dynamometer component 600 connected to its rotating shaft. The starter 410 is used to drive the driving wheel 420 to rotate, and the outer periphery of the driving wheel 420 is higher than the upper end surface of the test platform 100; the fan component 500 is arranged on the upper end surface of the test platform 100, and the fan component 500 is used to provide wind resistance.

[0045] According to some embodiments of the present invention, referring to Figures 1 to 7 , and also includes a lock 110, which is arranged on one side of the test platform 100. The lock 110 is used to fix the motorcycle frame. The motorcycle frame is fixed to the test platform 100 through the lock 110 and the fixing rope to prevent the motorcycle from tilting or tipping over during the test.

[0046] According to some embodiments of the present invention, referring to Figures 1 to 7 , and also includes a bridge plate 120, which is tilted at the rear side of the test platform 100. The bridge plate 120 is used for the motorcycle to enter the test platform 100. The motorcycle can be easily pushed onto the test platform 100 through the bridge plate 120 without lifting or hoisting the motorcycle.

[0047] According to some embodiments of the present invention, referring to Figures 1 to 7 , and also includes a bracket 130 arranged on the side of the test platform 100, and the bracket 130 is provided with a control terminal 140 and a display screen 150.

[0048] During the test, the motorcycle is pushed onto the test platform 100 via the bridge plate 120, and the front wheel of the motorcycle is inserted into the front wheel fixing assembly 200, so that the rear wheel of the motorcycle is placed on the driving wheel 420 of the rear wheel driving assembly 400, and the motorcycle frame is fixed by the fixing rope and the lock buckle 110. The starter 410 is started by the control terminal 140, and the starter 410 drives the driving wheel 420 to start rotating. After the motorcycle is started, the rear wheel starts to rotate, and at the same time drives the dynamometer assembly 600 to start dynamometer testing.

[0049] According to some embodiments of the present invention, referring to Figures 1 to 7 The fixing part includes a stop block 330 and a nut 340. The stop block 330 is arranged on the test platform 100. The nut 340 is fixedly connected to the stop block 330. The middle part of the adjusting rod 320 is threadedly connected to the nut 340. It can be understood that the stop block 330 is fixedly connected to the test platform, the nut 340 is fixedly connected to the stop block 330, and the adjusting rod 320 is threadedly connected to the nut 340, that is, the adjusting rod 320 rotates and moves forward and backward relative to the nut 340, thereby driving the front wheel fixing assembly 200 to move forward and backward as a whole on the test platform 100 to adjust the distance between the front wheel fixing assembly 200 and the rear wheel drive assembly 400, so as to adapt to motorcycles with different wheelbases.

[0050] According to some embodiments of the present invention, referring to Figures 1 to 7 The driving member 310 includes: a motor 311; a gear box 312, including a box body and at least one group of helical gears arranged in the box body, the helical gears are respectively connected to the output shaft of the motor 311 and one end of the adjustment rod 320, the box body is connected to the front wheel fixing assembly 200, the motor 311 is arranged in the left and right directions, and the output shaft transmits power to the adjustment rod 320 arranged along the front and back through at least one pair of helical gears in the gear box 312. Through this arrangement, the motor 311 can move with the front wheel fixing assembly 200 while reducing its occupied volume and making the structure more compact.

[0051] According to some embodiments of the present invention, referring to Figures 1 to 7 The front wheel fixing assembly 200 includes: a guide groove 210, which is arranged on the test platform 100, and a driving member 310 is connected to the front side of the guide groove 210; a fixing plate 220, which is vertically arranged on the guide groove 210, and the front side of the front wheel of the fixing plate 220; a movable plate 230, which is hinged to the guide groove 210 at the side, and the movable plate 230 is used to fix the rear side of the front wheel. The two sides of the guide groove 210 are provided with inclined guide surfaces 211, and the inclined guide surfaces 211 play a role in the motorcycle entering the guide groove 210. The movable plate 230 has a guiding function and can also prevent the right angle from scratching the tire of the motorcycle. Before the motorcycle enters the guide groove 210, the front end of the movable plate 230 is tilted and the rear end is flush with the guide groove 210. When the front wheel of the motorcycle touches the front end of the movable plate 230 and continues to move forward, the front end of the movable plate 230 is pressed down to be flush with the guide groove 210, and the rear end of the movable plate 230 is rotated upward and tilted, cooperating with the fixed plate 220 to restrict the front wheel of the motorcycle in the guide groove 210.

[0052] According to some embodiments of the present invention, referring to Figures 1 to 7, square grooves 212 with openings facing downward are provided on both sides of the guide groove 210, the adjusting rod 320 is arranged in the square groove 212 on one side, and the other end of the adjusting rod 320 is hinged to the guide groove 210, and the adjusting rod 320 is hidden by the square groove 212, which is beautiful and prevents the adjusting rod 320 from being touched, damaged or broken.

[0053] According to some embodiments of the present invention, referring to Figures 1 to 7 The movable plate 230 is provided with an inclined surface or an arc surface, and the middle part of the movable plate 230 is hinged to the guide groove 210 through a connecting rod 231, and the middle part of the connecting rod 231 is located above the movable plate 230.

[0054] According to some embodiments of the present invention, referring to Figures 1 to 7 A first gear 411 is provided at the output end of the starter 410, and a second gear 421 meshing with the first gear 411 is provided on the side of the driving wheel 420. The power of the starter 410 is transmitted to the driving wheel 420 through the meshing of the first gear 411 and the second gear 421, and the transmission process is smooth.

[0055] According to some embodiments of the present invention, referring to Figures 1 to 7 There are two fan assemblies 500, and the two fan assemblies 500 are symmetrically arranged on the test platform 100 along the left and right directions, which can better simulate the actual wind resistance situation and simulate the wind resistance on both sides of the motorcycle, making the test data more accurate.

[0056] According to some embodiments of the present invention, referring to Figures 1 to 7 The fan assembly 500 includes: an adjustment arm 510, which is hinged to the test platform 100; an adjustment support 520, which is hinged to the adjustment arm 510; a blower 530, which is arranged on the adjustment support 520, the adjustment arm 510 is used to adjust the air outlet direction of the blower 530 along the horizontal plane, and the adjustment support 520 is used to adjust the air outlet angle of the blower 530 along the vertical plane, the adjustment arm 510 includes a first rotating rod 511 and a second rotating rod 512, the first rotating rod 511 is hinged to the test platform 100, one end of the second rotating rod 512 is hinged to the first rotating rod 511, and the adjustment support 520 is hinged to the first rotating rod 511. At the other end of the second rotating rod 512, the adjusting support 520 includes a support frame 521 and a base 522. The base 522 is hinged to the adjusting arm 510. The side of the support frame 521 is hinged to the side of the base 522. The blower 530 is connected to the upper end surface of the support frame 521. Through the coordinated rotation of the first rotating rod 511 and the second rotating rod 512, the blower 530 can adjust the blowing direction in the horizontal direction and adjust the blowing distance from the motorcycle at the same time. The blowing angle in the vertical direction can be adjusted by rotating the support frame 521 on the base 522, thereby simulating different wind resistance effects.

[0057] The beneficial effects of the utility model are as follows.

[0058] 1. The front wheel of the motorcycle is fixed by the front wheel fixing assembly 200 on the test platform 100, and the adjusting rod 320 is driven by the driving member 310. A lead screw is formed between the adjusting rod 320 and the fixing member. The adjusting rod 320 rotates and moves forward and backward relative to the fixing member, and at the same time drives the entire front wheel fixing assembly 200 to move forward and backward, thereby adjusting the position of the front wheel fixing assembly 200 on the test platform 100 to adapt to motorcycles with different wheelbases for testing.

[0059] 2. By adding a set of starters 410 to the rear wheel drive assembly 400, the starter 410 drives the drive wheel 420 to start the motorcycle for testing, without using the starter 410 of the motorcycle itself for starting, so that the motorcycle can be tested under the same starting conditions, and the test data is more accurate. At the same time, the fan assembly 500 can form a certain wind resistance on the motorcycle under test, simulating the wind resistance conditions during actual driving, and further improving the accuracy of the test.

[0060] It should be noted that in this specification, terms such as "one embodiment", "some embodiments", "basic embodiment", "extended embodiment" etc. may be used to describe several embodiments of the utility model. The specific features, structures, materials or characteristics in the several embodiments may be combined in accordance with the principles and purposes of the utility model.

[0061] Although some embodiments of the utility model have been shown and described in this specification, the utility model should not be limited to the above-mentioned embodiments. As long as the technical effects of the utility model are achieved by the same or equivalent means, any changes, modifications, equivalent substitutions and equivalent variations of these embodiments within the spirit and principles of the present disclosure and without departing from the principles and purpose of the present utility model should be included in the scope of protection of the present disclosure and should be deemed to belong to the scope of protection of the utility model.

Claims

1. A self-starting horsepower dynamometer with wind resistance simulation function, characterized in that: include: Test platform; A rear wheel drive assembly, comprising a starter and a drive wheel, wherein the starter is arranged on the test platform, the drive wheel is hinged to the test platform, a dynamometer assembly is connected to the rotating shaft of the drive wheel, the starter is used to drive the drive wheel to rotate, and the outer periphery of the drive wheel is higher than the upper end surface of the test platform; A fan assembly is arranged on the upper end surface of the test platform, and the fan assembly is used to provide wind resistance.

2. The self-starting horsepower dynamometer with wind resistance simulation function according to claim 1, characterized in that: The output end of the starter is provided with a first gear, and the side surface of the driving wheel is provided with a second gear meshing with the first gear.

3. The self-starting horsepower dynamometer with wind resistance simulation function according to claim 1, characterized in that: There are two fan assemblies, and the two fan assemblies are symmetrically arranged on the test platform along the left-right direction.

4. The self-starting horsepower dynamometer with wind resistance simulation function according to claim 3, characterized in that: The fan assembly comprises: An adjusting arm, hinged to the testing platform; An adjustment support, hinged to the adjustment arm; The blower is arranged on the adjustment support, the adjustment arm is used to adjust the air outlet direction of the blower along the horizontal plane, and the adjustment support is used to adjust the air outlet angle of the blower along the vertical plane.

5. The self-starting horsepower dynamometer with wind resistance simulation function according to claim 4, characterized in that: The adjustment arm comprises a first rotating rod and a second rotating rod, the first rotating rod is hinged to the test platform, one end of the second rotating rod is hinged to the first rotating rod, and the adjustment support is hinged to the other end of the second rotating rod.

6. The self-starting horsepower dynamometer with wind resistance simulation function according to claim 4, characterized in that: The adjustment support comprises a support frame and a base, the base is hinged to the adjustment arm, the side surface of the support frame is hinged to the side surface of the base, and the blower is connected to the upper end surface of the support frame.

7. The self-starting horsepower dynamometer with wind resistance simulation function according to claim 1, characterized in that: It also includes a front wheel fixing assembly, which is arranged at the front end of the test platform. The front wheel fixing assembly is provided with an adjustment assembly for adjusting the front wheel fixing assembly to move forward and backward on the test platform.

8. The self-starting horsepower dynamometer with wind resistance simulation function according to claim 7, characterized in that: It also includes a lock buckle, which is arranged on one side of the test platform and is used to fix the motorcycle frame.

9. The self-starting horsepower dynamometer with wind resistance simulation function according to claim 7, characterized in that: It also includes a bridge plate, which is tilted and arranged on the rear side of the test platform, and the bridge plate is used for a motorcycle to enter the test platform.

10. A self-starting horsepower dynamometer with wind resistance simulation function according to any one of claims 1 to 9, characterized in that: It also includes a bracket arranged on the side of the test platform, and the bracket is provided with a control terminal and a display screen.

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