High-precision power comprehensive test machine for exercise bicycle

By designing a comprehensive test machine for high-precision power fitness bikes, using an integrated servo dynamometer and lifting adjustment device, the problems of inaccurate positioning and low testing accuracy of existing test equipment are solved, and the high-precision torque and speed test of dynamic bicycles are realized, and the quality stability is improved.

CN222748054UActive Publication Date: 2025-04-11DONGGUAN TENSION MEASUREMENT & CONTROL TECH CO LTD
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Patent Information

Application Number
CN202421606562.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-04-11
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

The existing dynamic bicycle test equipment has a single performance and is difficult to adjust the height, resulting in inaccurate positioning and low testing accuracy, which affects the quality pass rate of the dynamic bicycle.

Method used

A high-precision power fitness bike comprehensive testing machine is designed, using an integrated high-precision servo dynamometer device, and the lifting and lowering adjustment device ensures the positioning of the servo dynamometer device accurately, which can meet the torque and speed testing needs of the dynamic bicycle at the same time.

Benefits of technology

It realizes high-precision testing of dynamic bicycles, with high testing accuracy and compact structure, reducing on-site installation and commissioning costs and improving the quality stability of dynamic bicycles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-precision power exercise bicycle comprehensive test machine, which comprises a test cabinet, a test board, a servo dynamometer and a lifting adjusting device, and is characterized in that the servo dynamometer comprises a servo dynamometer used for testing the torque and the rotating speed of a spinning bicycle, a bearing seat, a first coupler and a second coupler; the servo dynamometer is fixedly installed on the lifting plate, the bearing seat is fixedly installed on the lifting plate and located between the sliding hole and the servo dynamometer, the rotating shaft penetrates through the bearing seat and is rotationally connected with the bearing seat, one end of the first coupler is connected with the output portion of the servo dynamometer, and the other end of the first coupler is connected with the output portion of the servo dynamometer. The other end of the first coupler is connected with the end, penetrating through the bearing seat, of the rotating shaft, one end of the second coupler is connected with the other end, penetrating through the bearing seat and the sliding hole, of the rotating shaft, and the other end of the second coupler can be connected with an output shaft of the spinning. The servo dynamometer provided by the utility model can simultaneously meet the torque and rotating speed test requirements of the spinning, and is accurate in positioning and high in test precision.
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Description

Technical Field

[0001] The utility model relates to the technical field of fitness bike testing machines, and more specifically to a high-precision power fitness bike comprehensive testing machine. Background Art

[0002] A spinning bike is an indoor fitness equipment, also known as an exercise bike. A spinning bike is usually equipped with components such as a seat, handlebars, pedals, wheels and a resistance adjuster. Users can exercise by adjusting the required resistance and stepping on the pedals. In actual production, spinning bikes need to undergo multiple tests before leaving the factory to detect whether they meet the requirements, and help discover potential faults and problems of the spinning bike, repair and adjust the faults in a timely manner, and avoid malfunctions of the spinning bike during use. However, the performance of existing spinning bike testing equipment is relatively single, and its height is difficult to adjust to match the height of different vehicle models, resulting in inaccurate positioning, low test accuracy, and large errors in test data, which affects the quality pass rate of spinning bikes. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and to provide a high-precision power fitness bike comprehensive testing machine which can simultaneously meet the needs of torque and speed testing of a spinning bike and has accurate positioning and high testing accuracy.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a high-precision power fitness bike comprehensive test machine, including a test cabinet, a test bench for placing a spinning bike, a servo dynamometer for testing the spinning bike, and a lifting and adjusting device for driving the servo dynamometer to lift and lower to adjust its height. The test bench is located in front of the front of the test cabinet. The front of the test cabinet is provided with a sliding hole for the rotation shaft of the servo dynamometer to extend. The servo dynamometer is installed on the lifting plate of the lifting and adjusting device and is driven to move up and down inside the test cabinet by the lifting and adjusting device. The servo dynamometer also includes a A servo dynamometer for measuring torque and speed, a bearing seat, a first coupling and a second coupling, the servo dynamometer being fixedly mounted on a lifting plate, the bearing seat being fixedly mounted on the lifting plate and being located between a sliding hole and the servo dynamometer, the rotating shaft passing through the bearing seat and being rotatably connected to the bearing seat, one end of the first coupling being connected to an output portion of the servo dynamometer, the other end of the first coupling being connected to one end of the rotating shaft passing through the bearing seat, one end of the second coupling being connected to the other end of the rotating shaft passing through the bearing seat and the sliding hole, and the other end of the second coupling being connectable to an output shaft of a spinning bike.

[0005] Preferably, the lifting and adjusting device also includes a top plate, a bottom plate, a worm gear lift, a height adjustment hand wheel, a connecting plate, a connecting rod, a lifting guide rod and a lifting guide sleeve. The bottom plate can be arranged on the bottom surface of the test cabinet to move forward and backward. The lifting guide rod is provided with four and is fixedly installed at the four corners of the top surface of the bottom plate. The bottom surface of the top plate is fixedly installed at the top of each lifting guide rod. The lifting guide sleeves are respectively inserted downward at the four corners of the lifting plate and sleeved on the lifting guide rods. The lifting plate can be slidably connected with the lifting guide rods through the lifting guide sleeves. The worm gear lift is installed on the top plate, the height adjustment hand wheel is connected to the worm gear of the worm gear lift and is rotatably installed on the outer wall of the test cabinet, the connecting plate is fixedly connected to the top surface of the lifting plate through a connecting rod and is located above the servo dynamometer, the worm of the worm gear lift passes through the top plate and is fixedly connected to the top surface of the connecting plate, when the height adjustment hand wheel is rotated, the lifting plate fixedly connected to the connecting plate can be driven up and down by the worm gear lift, thereby driving the servo dynamometer located on the lifting plate to move up and down.

[0006] Preferably, it also includes a sliding block, the cross-sectional shape of the sliding block is [-shaped, the upper and lower end protruding parts of the sliding block are respectively fixedly connected to the front end surface of the bearing seat and the front end surface of the lifting plate, the front end surface of the sliding block is located on the inner side of the sliding hole, and the sliding block is provided with a through hole for the rotating shaft to extend out.

[0007] Preferably, a scale ruler is longitudinally provided on the front of the test cabinet, the scale ruler is parallel to one side of the sliding hole, and a pointer pointing to the scale ruler is fixedly provided on the sliding block.

[0008] Preferably, a control cabinet and a control box are further included, wherein a control button is provided on the top front of the test cabinet, and the control box is fixedly mounted on the top plate and is electrically connected to the control cabinet and the control button through wires.

[0009] Preferably, two handles are respectively provided on both sides of the bottom plate.

[0010] Preferably, the four bottom corners of the test cabinet are respectively provided with a first supporting foot and a first movable caster, and the four bottom corners of the test bench are respectively provided with a second supporting foot and a second movable caster.

[0011] Preferably, a pressure block and a locking screw are further included, wherein a plurality of screw holes distributed in a matrix are arranged on the plate body of the test bench, and the pressure block is provided with adjustment holes along its length, and the locking screws can respectively pass downward through both sides of the adjustment holes of the pressure block pressed on each supporting foot of the spinning bike and be threadedly connected with the screw holes on the test bench.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model has a simple structure and reasonable design, adopts an integrated high-precision servo dynamometer, and ensures accurate positioning of the servo dynamometer through a lifting and adjusting device, can meet the needs of torque and speed testing of a spinning bike at the same time, can directly collect torque and speed data of a spinning bike, has high test accuracy, compact structure, and adopts modular installation, which can effectively reduce the on-site installation cost and debugging cost of the test machine, can realize one-stop testing, and improves the quality stability of the spinning bike. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the structure of a high-precision power fitness bike comprehensive tester provided by the embodiment of the utility model. Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the structure of a high-precision power fitness bike comprehensive tester provided by the embodiment of the utility model. Figure 2 ;

[0017] Figure 3 It is an exploded schematic diagram of a servo dynamometer of a high-precision power fitness bike comprehensive tester provided by an embodiment of the utility model;

[0018] Figure 4 It is a partial structural schematic diagram of a high-precision power fitness bike comprehensive testing machine provided by an embodiment of the utility model;

[0019] Figure 5 This is an enlarged schematic diagram of a part of the structure of a high-precision power fitness bike comprehensive tester provided by the embodiment of the utility model. Figure 1 ;

[0020] Figure 6 This is an enlarged schematic diagram of a part of the structure of a high-precision power fitness bike comprehensive tester provided by the embodiment of the utility model. Figure 2 ;

[0021] Figure 7 This is an enlarged schematic diagram of a part of the structure of a high-precision power fitness bike comprehensive tester provided by the embodiment of the utility model. Figure 3 ;

[0022] Figure 8It is an enlarged schematic diagram of the assembly of a high-precision power fitness bike comprehensive tester provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Please refer to Figure 1 The embodiment of the utility model provides a high-precision power fitness bike comprehensive tester, including a test cabinet 1, a test bench 2 for placing a spinning bike 10, a servo dynamometer 3 for testing the spinning bike 10, and a lifting and adjusting device 4 for driving the servo dynamometer 3 to lift and lower to adjust its height. The various components of this embodiment are described in detail below in conjunction with the accompanying drawings.

[0025] like Figure 1 and Figure 2 As shown, the test bench 2 can be located in front of the front of the test cabinet 1. A sliding hole 11 is provided on the front of the test cabinet 1 for the rotating shaft 35 of the servo dynamometer device 3 to extend out. The servo dynamometer device 3 is installed on the lifting plate 41 of the lifting and adjusting device 4 and is driven to move up and down inside the test cabinet 1 by the lifting and adjusting device 4.

[0026] Preferably, the test cabinet 1 and the test bench 2 are arranged independently of each other. In order to facilitate the movement and transportation of the two, the four corners of the bottom of the test cabinet 1 can be respectively provided with a first supporting foot 14 and a first movable caster 15, and the four corners of the bottom of the test bench 2 can be respectively provided with a second supporting foot 21 and a second movable caster 22.

[0027] like Figure 3 As shown, the servo dynamometer device 3 can also include a servo dynamometer 31, a bearing seat 32, a first coupling 33 and a second coupling 34 for testing the torque and speed of the spinning bike 10. The servo dynamometer 31 is fixedly mounted on the lifting plate 41, the bearing seat 32 is fixedly mounted on the lifting plate 41 and is located between the sliding hole 11 and the servo dynamometer 31, the rotating shaft 35 passes through the bearing seat 32 and is rotatably connected to the bearing seat 32, one end of the first coupling 33 is connected to the output portion of the servo dynamometer 31, the other end of the first coupling 33 is connected to one end of the rotating shaft 35 passing through the bearing seat 32, one end of the second coupling 34 is connected to the other end of the rotating shaft 35 passing through the bearing seat 32 and the sliding hole 11, and the other end of the second coupling 34 can be connected to the output shaft of the spinning bike 10.

[0028] The servo dynamometer 31 includes a torque speed sensor 313 and a high-precision servo motor 312 connected in sequence, and adopts an integrated high-precision design, which can capture data in real time and accurately. The first coupling 33 and the second coupling 34 can transmit the output power of the servo dynamometer 31 to the spinning bike 10, and can be connected as needed to facilitate testing the connection.

[0029] like Figure 4 As shown, the lifting and adjusting device 4 can also include a top plate 42, a bottom plate 43, a worm gear lift 44, a height adjustment hand wheel 45, a connecting plate 46, a connecting rod 47, a lifting guide rod 48 and a lifting guide sleeve 49. The bottom plate 43 can be arranged on the bottom surface of the test cabinet 1 so as to be movably moved forward and backward. Four lifting guide rods 48 are provided and fixedly installed at the four corners of the top surface of the bottom plate 43. The bottom surface of the top plate 42 is fixedly installed at the top of each lifting guide rod 48. The lifting guide sleeves 49 are respectively inserted downward at the four corners of the lifting plate 41 and The lifting plate 41 is slidably connected to the lifting guide rod 48 through the lifting guide sleeve 49, the worm gear lift 44 is installed on the top plate 42, the height adjustment hand wheel 45 is connected to the worm gear of the worm gear lift 44 and is rotatably installed on the outer wall of the test cabinet 1, the connecting plate 46 is fixedly connected to the top surface of the lifting plate 41 through the connecting rod 47 and is located above the servo dynamometer 31, and the worm of the worm gear lift 44 passes through the top plate 42 and is fixedly connected to the top surface of the connecting plate 46.

[0030] In a specific implementation, when the height adjustment hand wheel 45 is turned, the lifting plate 41 fixedly connected to the connecting plate 46 can be driven to move up and down through the worm gear lift 44, thereby driving the servo dynamometer 31 located on the lifting plate 41 to move up and down. The lifting adjustment device 4 can adjust the height of the servo dynamometer 3 to adapt to different heights of the spinning bike 10 and the output shaft height of the model, so that it can be flexibly adjusted.

[0031] Among them, Figure 6 and Figure 7 As shown, the top surfaces of the lifting guide sleeves 49 located on the two diagonal lines are respectively fixed with locking components, which may include a locking screw 491 with a handle and two locking matching blocks 492 that cooperate with each other and can be sleeved on the lifting guide rod 48. The locking screw 491 can be threaded through one of the locking matching blocks 492 and then threadedly connected with the other locking matching block 492 that is installed in cooperation with it, thereby fixing the lifting guide sleeve 49 to the desired position of the lifting guide rod 48.

[0032] Preferably, two handles 431 may be respectively provided on both sides of the bottom plate 43. When in use, the lifting adjustment device 4 and the servo dynamometer device 3 can be moved forward and backward as a whole in the test cabinet 1 by pulling the handles 431.

[0033] like Figure 5 As shown, it can also include a sliding block 5, the cross-sectional shape of the sliding block 5 is [-shaped, the upper and lower end protruding parts of the sliding block 5 are respectively fixedly connected to the front end surface of the bearing seat 32 and the front end surface of the lifting plate 41, the front end surface of the sliding block 5 is located on the inner side of the sliding hole 11, and the sliding block 5 is provided with a through hole 51 for the rotating shaft 35 to extend out.

[0034] Specifically, a scale ruler 12 may be provided in the longitudinal direction of the front of the test cabinet 1, and the scale ruler 12 is located parallel to one side of the sliding hole 11, and a pointer 52 pointing to the scale ruler 12 is fixedly provided on the sliding block 5. The position of the rotating shaft 35 is precisely adjusted by referring to the scale ruler 12 by the pointer 52, thereby improving the positioning accuracy.

[0035] Preferably, a control cabinet 6 and a control box 7 may also be included. The control cabinet 6 is located on one side of the test bench 2. A control button 13 is provided on the top front of the test cabinet 1. The control box 7 is fixedly mounted on the top plate 42 and is electrically connected to the control cabinet 6 and the control button 13 through wires.

[0036] Preferably, a pressure block 23 and a locking screw 24 may also be included. A plurality of screw holes 25 distributed in a matrix are provided on the plate of the test bench 2. The pressure block 23 is provided with adjustment holes 231 along its length. The test bench 2 provides a support platform for the spinning bike 10, ensuring the stability of the spinning bike 10 during movement, and facilitating testing.

[0037] When the spinning bike 10 needs to be fixed, the locking screws 24 can respectively pass downward through both sides of the adjustment holes 231 of the pressing blocks 23 pressed on each supporting foot of the spinning bike 10 and be threadedly connected with the screw holes 25 on the test bench 2 .

[0038] It should be noted here that the various motors and sensors in this embodiment can be connected to common control devices currently on the market, such as computers, control panels, and control cabinets, through wires. The control equipment has the functions of measuring, reading, and recording the performance parameters of the corresponding motors. However, this embodiment does not involve improvements in this aspect and will not be elaborated here.

[0039] The working principle of this embodiment is as follows:

[0040] First, place the spinning bike to be tested on the test bench, and fix the supporting feet of the spinning bike to the test bench through the pressure block and the locking screws. Then, turn the height adjustment hand wheel to adjust the relative height of the servo dynamometer through the worm gear lifter, so that the center height of the rotating shaft of the servo dynamometer matches the center height of the output shaft of the spinning bike. Then, connect the rotating shaft of the servo dynamometer to the output shaft of the spinning bike through the second coupling and lock the coupling screw on the second coupling to complete the connection between the servo dynamometer and the spinning bike. Then, press the control button to start the test machine for testing. The servo dynamometer can apply reverse torque to the output shaft of the spinning bike through the first coupling and the second coupling, and directly collect torque and speed. Based on this, the performance of the spinning bike can be comprehensively evaluated.

[0041] In summary, the utility model adopts an integrated high-precision servo dynamometer and ensures accurate positioning of the servo dynamometer through a lifting and adjusting device, which can simultaneously meet the needs of torque and speed testing of a spinning bike, and can directly collect torque and speed data of a spinning bike. It has high test accuracy, compact structure, and modular installation, which can effectively reduce the on-site installation cost and debugging cost of the test machine, realize one-stop testing, and improve the quality stability of the spinning bike.

[0042] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A high-precision power fitness bike comprehensive tester, characterized by: The invention comprises a test cabinet (1), a test bench (2) for placing a spinning bike, a servo dynamometer (3) for testing the spinning bike, and a lifting and adjusting device (4) for driving the servo dynamometer (3) to move up and down to adjust its height. The test bench (2) is located in front of the front of the test cabinet (1). The front of the test cabinet (1) is provided with a sliding hole (11) for allowing a rotating shaft (35) of the servo dynamometer (3) to extend out. The servo dynamometer (3) is mounted on a lifting plate (41) of the lifting and adjusting device (4) and is driven to move up and down inside the test cabinet (1) by the lifting and adjusting device (4). The servo dynamometer (3) also comprises a servo dynamometer (31) for testing the torque and speed of the spinning bike, a bearing seat (32), a first coupling (33), and a second coupling (34). The second coupling (34) is provided. The servo dynamometer (31) is fixedly mounted on the lifting plate (41). The bearing seat (32) is fixedly mounted on the lifting plate (41) and is located between the sliding hole (11) and the servo dynamometer (31). The rotating shaft (35) passes through the bearing seat (32) and is rotatably connected to the bearing seat (32). One end of the first coupling (33) is connected to the output portion of the servo dynamometer (31). The other end of the first coupling (33) is connected to one end of the rotating shaft (35) passing through the bearing seat (32). One end of the second coupling (34) is connected to the other end of the rotating shaft (35) passing through the bearing seat (32) and the sliding hole (11). The other end of the second coupling (34) can be connected to the output shaft of the spinning bike.

2. A high-precision power fitness bike comprehensive tester according to claim 1, characterized in that: The lifting and adjusting device (4) further comprises a top plate (42), a bottom plate (43), a worm gear lift (44), a height adjustment hand wheel (45), a connecting plate (46), a connecting rod (47), a lifting guide rod (48) and a lifting guide sleeve (49); the bottom plate (43) is arranged on the bottom surface of the test cabinet (1) so as to be movably moved forward and backward; four lifting guide rods (48) are provided and fixedly mounted at the four corners of the top surface of the bottom plate (43); the bottom surface of the top plate (42) is fixedly mounted on the top of each lifting guide rod (48); the lifting guide sleeve (49) is respectively inserted downward at the four corners of the lifting plate (41) and sleeved on the lifting guide rod (48); the lifting plate (41) can be moved with the lifting guide sleeve (49) and the lifting guide rod (48) The worm gear lift (44) is mounted on the top plate (42), the height adjustment hand wheel (45) is connected to the worm gear of the worm gear lift (44) and is rotatably mounted on the outer wall of the test cabinet (1), the connecting plate (46) is fixedly connected to the top surface of the lifting plate (41) through a connecting rod (47) and is located above the servo dynamometer (31), the worm of the worm gear lift (44) passes through the top plate (42) and is fixedly connected to the top surface of the connecting plate (46), when the height adjustment hand wheel (45) is rotated, the lifting plate (41) fixedly connected to the connecting plate (46) can be driven to move up and down by the worm gear lift (44), thereby driving the servo dynamometer (31) located on the lifting plate (41) to move up and down.

3. A high-precision power fitness bike comprehensive tester according to claim 2, characterized in that: The sliding block (5) is also included. The cross-sectional shape of the sliding block (5) is [-shaped. The upper and lower protruding parts of the sliding block (5) are respectively fixedly connected to the front end surface of the bearing seat (32) and the front end surface of the lifting plate (41). The front end surface of the sliding block (5) is located on the inner side of the sliding hole (11). The sliding block (5) is provided with a through hole (51) for the rotating shaft (35) to extend out.

4. A high-precision power fitness bike comprehensive tester according to claim 3, characterized in that: A scale ruler (12) is longitudinally arranged on the front of the test cabinet (1), and the scale ruler (12) is located parallel to one side of the sliding hole (11). A pointer (52) pointing to the scale ruler (12) is fixedly arranged on the sliding block (5).

5. A high-precision power fitness bike comprehensive tester according to claim 2, characterized in that: It also includes a control cabinet (6) and a control box (7), wherein the control cabinet (6) is located on one side of the test bench (2), a control button (13) is provided on the top of the front of the test cabinet (1), and the control box (7) is fixedly mounted on the top plate (42) and is electrically connected to the control cabinet (6) and the control button (13) through electric wires.

6. A high-precision power fitness bike comprehensive tester according to claim 2, characterized in that: Two handles (431) are respectively provided on both sides of the bottom plate (43).

7. A high-precision power fitness bike comprehensive tester according to claim 1, characterized in that: The four corners at the bottom of the test cabinet (1) are respectively provided with a first supporting foot (14) and a first movable caster (15), and the four corners at the bottom of the test table (2) are respectively provided with a second supporting foot (21) and a second movable caster (22).

8. The high-precision power fitness bike comprehensive tester according to claim 1, characterized in that: It also includes a pressing block (23) and a locking screw (24); a plurality of screw holes (25) distributed in a matrix are arranged on the plate body of the test bench (2); the pressing block (23) is provided with an adjustment hole (231) along its length; the locking screw (24) can respectively pass downward through both sides of the adjustment hole (231) of the pressing block (23) pressed on each supporting foot of the spinning bike and be threadedly connected with the screw hole (25) on the test bench (2).