Standing long jump body measurement equipment based on machine vision

By designing a machine vision-based standing long jump physical testing device including adjustment mechanism, follower mechanism and detection components, the accuracy of existing equipment when shooting physical contact points on candidates' long jump pads is solved, and the accuracy and authenticity of candidates' test scores are achieved.

CN120000992AInactive Publication Date: 2025-05-16SHANDONG COMPASS SPORTS IND CO LTD
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Patent Information

Application Number
CN202411820148.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-05-16
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing machine vision-based standing long jump physical testing equipment may not be able to accurately judge when shooting the points on the candidate's long jump pad, resulting in inaccurate detection results.

Method used

A machine vision-based standing long jump physical testing device is designed, including a adjustment mechanism, a follower mechanism and a detection component. Through the first vision detector and the second vision detector, the point where the candidates are physically contacted on the long jump buffer pad is photographed and analyzed. The auxiliary component adjusts the angle of the first vision detector through the first auxiliary motor, and the following mechanism causes the second vision detector to follow the candidate's movement through the second auxiliary motor, and the detection component adjusts the angle and distance of the vision detector through the driving motor and the telescopic rod to improve the accuracy of shooting.

Benefits of technology

Through multi-view and multi-angle shooting analysis, the blind spots of the candidates' footprints are reduced, and the accuracy and authenticity of the candidates' test scores are improved.

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Abstract

The invention relates to the technical field of automatic evaluation of standing long jump, and discloses standing long jump body measurement equipment based on machine vision, which comprises an adjusting mechanism, the adjusting mechanism comprises a support frame, the inner wall of the support frame is fixedly connected with a long jump cushion, the outer wall of the support frame is fixedly connected with a first fixing frame, and the first fixing frame is fixedly connected with a second fixing frame. The side, close to the first fixing frame, of the long jump buffering cushion is fixedly connected with a take-off line, the inner wall of the end, away from the supporting frame, of the first fixing frame is fixedly connected with a first auxiliary motor, the output end of the first auxiliary motor is provided with an auxiliary assembly, and the outer wall of the top of the supporting frame is fixedly connected with a measuring standard line. The outer wall of the supporting frame is fixedly connected with a first connecting frame, when an examinee conducts standing long jump body testing, the first visual detector and the second visual detector are used for shooting and analyzing points, making contact with the body, of the examinee on the long jump buffering cushion, so that errors are reduced as much as possible, and then the true effectiveness of examination scores of the examinee is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of automatic evaluation of standing long jump, in particular to a standing long jump physical test device based on machine vision. Background Art

[0002] The standing long jump physical test based on machine vision is an innovative sports testing method. It uses advanced machine vision technology to accurately capture the athlete's movements and jumping trajectories. It is efficient, accurate, and objective, providing a scientific basis for physical education teaching and training, and improving the quality and level of physical tests.

[0003] A patent application with application number CN202022599196.4 discloses a standing long jump physical test equipment based on machine vision, including a first base, a second base, an Android client control terminal, a long jump mat and a server terminal. A mounting plate is fixedly connected to the upper surface of the second base, a slide groove is provided on one side of the mounting plate, a sliding rod is movably connected to one side of the slide groove, a rotating plate is movably connected to one side of the sliding rod, a second horn bolt is movably connected to one side of the rotating plate, a fixed plate is fixedly connected to the upper surface of the fixed plate, a second camera is embedded on one side of the mounting platform, and the Android client control terminal and the second camera are connected through a signal line.

[0004] In summary, when candidates are taking the standing long jump physical test, relying solely on the second camera to shoot the candidates may not accurately determine the point on the long jump mat where the candidate's body is in contact with the closest point to the starting point, which may result in errors and inaccurate test results.

[0005] To this end, we proposed a standing long jump physical test device based on machine vision. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a standing long jump physical test device based on machine vision to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a standing long jump physical test equipment based on machine vision, comprising an adjustment mechanism, the adjustment mechanism comprising a support frame, the inner wall of the support frame is fixedly connected to a long jump buffer pad, the outer wall of the support frame is fixedly connected to a first fixing frame, the side of the long jump buffer pad close to the first fixing frame is fixedly connected to a take-off line, the inner wall of one end of the first fixing frame away from the support frame is fixedly connected to a first auxiliary motor, the output end of the first auxiliary motor is provided with an auxiliary component, the top outer wall of the support frame is fixedly connected to a measuring standard line, the outer wall of the support frame is fixedly connected to a first connecting frame, the top inner wall of the first connecting frame is fixedly connected to a fixed shaft, and also includes:

[0008] The following mechanism includes a first sliding frame slidably connected to a fixed shaft, a second auxiliary motor is fixedly connected to the outer surface of the first sliding frame, an output end of the second auxiliary motor passes through the first sliding frame and is fixedly connected to a driving wheel, an outer wall of the first sliding frame on one side close to the driving wheel is rotatably connected to the auxiliary wheel via a rotating shaft, a second connecting frame is fixedly connected to the top outer wall of the first sliding frame, a first driving motor is fixedly connected to the inner wall of the second connecting frame, and a detection component is provided at the output end of the first driving motor.

[0009] The cam is an assembly made of a plurality of independently controlled wheels, and the plurality of independently controlled wheels are connected to the plurality of independently controlled wheels, and the plurality of independently controlled wheels are connected to the plurality of independently controlled wheels.

[0010] According to the above technical solution, the inner wall of the third connecting frame is fixedly connected to the second driving motor, the output end of the second driving motor is fixedly connected to the third fixed block, the inner wall of the end of the third fixed block away from the second driving motor is fixedly connected to the second visual detection instrument, and the outer wall of the end of the third fixed block close to the second visual detection instrument is fixedly connected to the second detection probe, the second detection probe is used to drive the second auxiliary motor to make the first sliding frame move with the examinee, and the second visual detection instrument is used to take a picture of the examinee's landing point, thereby improving the authenticity and effectiveness of the examinee's test scores.

[0011] According to the above technical solution, the auxiliary component includes a first rotating frame fixedly connected to the output end of the first auxiliary motor, the inner wall of the first rotating frame at one end away from the first auxiliary motor is fixedly connected to a first telescopic rod, and the outer wall of the first rotating frame on one side close to the first telescopic rod is provided with a first fixed block, and the first auxiliary motor flips the first fixed block through the first rotating frame, so that the flipping angle of the first visual detector can be adjusted.

[0012] According to the above technical solution, a first connecting block is fixedly connected to an outer wall of one side of the first fixed block close to the output end of the first telescopic rod, the first connecting block is fixedly connected to the output end of the first telescopic rod, and a second connecting block is fixedly connected to an end of the first fixed block away from the first connecting block, and the second connecting block is used to improve the stability of the first fixed block during sliding.

[0013] According to the above technical solution, the inner wall of the second connecting block is slidably connected to the outer surface of the second telescopic rod, the inner wall of the first fixed block on the side away from the first telescopic rod is fixedly connected to the first visual detector, and the outer wall of the first fixed block on the side close to the first visual detector is fixedly connected to the first detection probe, and the first detection probe is used to detect the movement state of the examinee, and the examinee's standing long jump process is photographed and analyzed by the first visual detector, so as to take a photo of the examinee's landing point of the standing long jump.

[0014] According to the above technical solution, a through hole is provided on the outer surface of the first fixing frame, a second fixing frame is fixedly connected to the outer wall of the first fixing frame close to the through hole, a second telescopic rod is fixedly connected to the inner wall of the second fixing frame, a first sliding block is fixedly connected to the output end of the second telescopic rod, the outer surface of the first sliding block is slidably connected to the inner wall of the through hole, and the second telescopic rod enables the second fixed block to slide to a certain height through the first sliding block, thereby facilitating the camera to collect information on candidates of different heights.

[0015] According to the above technical solution, the outer wall of the end of the first sliding block away from the second telescopic rod is fixedly connected to the second fixed block, the inner wall of the second fixed block away from the first sliding block is fixedly connected to a display screen, and the outer wall of the second fixed block close to the display screen is fixedly connected to a camera. The camera is used to collect information about candidates of different heights and display it on the display screen.

[0016] Compared with the prior art, the present invention provides a standing long jump physical test device based on machine vision, which has the following beneficial effects:

[0017] 1. The present invention provides a standing long jump physical test device based on machine vision. When the examinee performs the standing long jump physical test, the first visual detector and the second visual detector are used to photograph and analyze the points where the examinee's body contacts the long jump cushion, so as to reduce errors as much as possible, thereby improving the authenticity and validity of the examinee's test scores.

[0018] 2. The present invention sets an auxiliary component. The first auxiliary motor causes the first fixed block to flip through the first rotating frame, so that the flip angle of the first visual detector can be adjusted. The first detection probe is used to detect the movement state of the examinee. The examinee's standing long jump process is photographed and analyzed through the first visual detector, and then the examinee's landing point is photographed, so as to reduce the blind spot area when photographing the examinee's landing point as much as possible, thereby improving the accuracy of the examinee's test scores.

[0019] 3. The present invention sets a following mechanism, and the second auxiliary motor drives the first sliding frame to slide through the driving wheel, so that the second visual detector can follow the examinee's movement, and then the examinee's landing point can be photographed and analyzed in time, so as to make up for the blind spots that may exist in the first visual detector, thereby improving the accuracy of the examinee's test scores.

[0020] 4. The present invention sets a detection component, and uses the first drive motor to enable the second rotating frame to rotate a certain angle, and uses the third telescopic rod to adjust the distance between the second visual detector and the examinee. The second drive motor enables the third fixed block to flip a certain angle, so that the examinee can be photographed from the side of the examinee's landing point, thereby ensuring the authenticity and validity of the examinee's score in the standing long jump physical test. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall front structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the regulating mechanism of the present invention;

[0023] Figure 3 It is a schematic diagram of the auxiliary component structure of the present invention;

[0024] Figure 4 For the present invention Figure 2 A schematic diagram of the enlarged structure of B;

[0025] Figure 5 It is a structural schematic diagram of the following mechanism of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the following mechanism of the present invention;

[0027] Figure 7 It is a schematic diagram of the structure of the detection component of the present invention;

[0028] Figure 8 For the present invention Figure 1 Schematic diagram of the enlarged structure of A.

[0029] In the figure: 1, adjustment mechanism; 101, support frame; 102, long jump cushion; 103, take-off line; 104, measurement standard line; 105, first fixed frame; 106, first auxiliary motor; 107, auxiliary assembly; 1071, first rotating frame; 1072, first telescopic rod; 1073, first fixed block; 1074, first connecting block; 1075, second connecting block; 1076, first detection probe; 1077, first visual detector; 108, first connecting frame; 109, fixed shaft; 110, through hole; 111, second fixed frame; 112, second telescopic rod; 113, first sliding block; 114, The second fixed block; 115, display screen; 116, camera; 2, tracking mechanism; 201, first sliding frame; 202, second auxiliary motor; 203, driving wheel; 204, auxiliary wheel; 205, second connecting frame; 206, first driving motor; 207, detection component; 2071, second rotating frame; 2072, third telescopic rod; 2073, connecting shaft; 2074, limit block; 2075, spring; 2076, second sliding block; 2077, third connecting frame; 2078, second driving motor; 2079, third fixed block; 20710, second visual detector; 20711, second detection probe. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Example 1: See Figure 1-Figure 4The present invention provides a technical solution: a standing long jump physical test device based on machine vision, comprising an adjustment mechanism 1, the adjustment mechanism 1 comprising a support frame 101, the inner wall of the support frame 101 is fixedly connected with a long jump buffer pad 102, when the examinee contacts the long jump buffer pad 102, the contact point between the long jump buffer pad 102 and the examinee will be temporarily concave, which is conducive to judging the closest distance between the contact point and the take-off line 103, the outer wall of the support frame 101 is fixedly connected with a first fixing frame 105, the side of the long jump buffer pad 102 close to the first fixing frame 105 is fixedly connected with the take-off line 103, the inner wall of the end of the first fixing frame 105 away from the support frame 101 is fixedly connected with a first auxiliary motor 106, the first auxiliary motor The output end of 106 is provided with an auxiliary component 107, the top outer wall of the support frame 101 is fixedly connected with a measurement standard line 104, and the measurement standard line 104 is used to measure the shortest distance between the candidate's contact point on the long jump cushion 102 and the take-off line 103. The outer wall of the support frame 101 is fixedly connected with a first connecting frame 108, and the top inner wall of the first connecting frame 108 is fixedly connected with a fixed shaft 109. During the process of the candidate's standing long jump physical test, the first visual detector 1077 and the second visual detector 20710 will shoot and analyze the point where the candidate's body contacts the long jump cushion 102, with the purpose of reducing errors as much as possible, thereby improving the authenticity and effectiveness of the candidate's test scores, and also includes:

[0034] The following mechanism 2 includes a first sliding frame 201 slidably connected to the fixed shaft 109, a second auxiliary motor 202 is fixedly connected to the outer surface of the first sliding frame 201, an output end of the second auxiliary motor 202 runs through the first sliding frame 201, and is fixedly connected to a driving wheel 203, an outer wall of the first sliding frame 201 close to the driving wheel 203 is rotatably connected to an auxiliary wheel 204 through a rotating shaft, a second connecting frame 205 is fixedly connected to the top outer wall of the first sliding frame 201, a first driving motor 206 is fixedly connected to the inner wall of the second connecting frame 205, a detection component 207 is arranged at the output end of the first driving motor 206, and the second auxiliary motor 202 drives the first sliding frame 201 to slide with the help of the driving wheel 203, so that the second visual detector 20710 can follow the movement of the examinee. In this way, the examinee's landing point can be photographed and analyzed in time to make up for the possible blind spot area of ​​the first visual detector 1077, thereby improving the accuracy of the examinee's test score.

[0035] A through hole 110 is provided on the outer surface of the first fixed frame 105, and a second fixed frame 111 is fixedly connected to the outer wall of the first fixed frame 105 close to the through hole 110, and a second telescopic rod 112 is fixedly connected to the inner wall of the second fixed frame 111, and a first sliding block 113 is fixedly connected to the output end of the second telescopic rod 112. The outer surface of the first sliding block 113 is slidably connected to the inner wall of the through hole 110, and the second telescopic rod 112 enables the second fixed block 114 to slide to a certain height through the first sliding block 113, thereby facilitating the camera 116 to collect information on candidates of different heights.

[0036] The outer wall of one end of the first sliding block 113 away from the second telescopic rod 112 is fixedly connected to the second fixed block 114, the inner wall of the second fixed block 114 away from the first sliding block 113 is fixedly connected to the display screen 115, and the outer wall of the second fixed block 114 close to the display screen 115 is fixedly connected to the camera 116. The camera 116 is used to collect information about candidates of different heights and display it on the display screen 115.

[0037] The working principle of this embodiment is as follows: when the examinee is taking the standing long jump physical test, the second telescopic rod 112 causes the second fixed block 114 to slide to a certain height through the first sliding block 113, so that the camera 116 can collect information on examinees of different heights. When the display screen 115 prompts the examinee that he can start the test, the examinee starts to jump from the take-off line 103 on the long jump buffer pad 102. At the same time, the second auxiliary motor 202 drives the first sliding frame 201 to slide through the driving wheel 203, so that the second visual detector 20710 can follow the examinee's movement, and then can take pictures of the examinee's landing point in time for evidence analysis, which is used to make up for the blind spots that may exist in the first visual detector 1077, thereby improving the accuracy of the examinee's test scores. In addition, the second visual detector 20710 can simultaneously capture the examinee's contact points with the long jump buffer pad 102 and the measurement standard line 104, which can intuitively reflect the examinee's scores.

[0038] Example 2: Please refer to Figure 3 On the basis of the first embodiment, the present invention provides a technical solution: the auxiliary component 107 includes a first rotating frame 1071 fixedly connected to the output end of the first auxiliary motor 106, and the inner wall of the first rotating frame 1071 at one end away from the first auxiliary motor 106 is fixedly connected with a first telescopic rod 1072. The first auxiliary motor 106 flips the first fixed block 1073 through the first rotating frame 1071, so that the flipping angle of the first visual detector 1077 can be adjusted, and the first fixed block 1073 is provided on the outer wall of the first rotating frame 1071 on one side close to the first telescopic rod 1072.

[0039] A first connecting block 1074 is fixedly connected to an outer wall of one side of the first fixed block 1073 close to the output end of the first telescopic rod 1072. The first connecting block 1074 is fixedly connected to the output end of the first telescopic rod 1072. An end of the first fixed block 1073 away from the first connecting block 1074 is fixedly connected to a second connecting block 1075. The second connecting block 1075 is used to improve the stability of the first fixed block 1073 during the sliding process.

[0040] The inner wall of the second connecting block 1075 is slidably connected to the outer surface of the second telescopic rod 112, the inner wall of the first fixed block 1073 on the side away from the first telescopic rod 1072 is fixedly connected to the first visual detector 1077, and the outer wall of the first fixed block 1073 on the side close to the first visual detector 1077 is fixedly connected to the first detection probe 1076. The first detection probe 1076 is used to detect the movement state of the examinee, and the first visual detector 1077 is used to photograph and analyze the examinee's standing long jump process, so as to take a photo of the examinee's landing point of the standing long jump.

[0041] The working principle of this embodiment is: the first auxiliary motor 106 flips the first fixed block 1073 with the help of the first rotating frame 1071, so as to adjust the flipping angle of the first visual detector 1077. The first detection probe 1076 is used to detect the movement state of the examinee. After the first visual detector 1077 shoots and analyzes the examinee's standing long jump process, it can take a picture of the examinee's landing point, thereby minimizing the blind spot area when shooting the examinee's landing point, thereby improving the accuracy of the examinee's test scores.

[0042] Example 3: Please refer to Figure 5-Figure 8 On the basis of the first embodiment, the present invention provides a technical solution: the detection component 207 is close to the second rotating frame 2071 fixedly connected to the output end of the first driving motor 206, the inner wall of the end of the second rotating frame 2071 away from the first driving motor 206 is fixedly connected to the third telescopic rod 2072, the output end of the third telescopic rod 2072 passes through the second rotating frame 2071 and is fixedly connected to the second sliding block 2076, the outer wall of the end of the second sliding block 2076 away from the third telescopic rod 2072 is fixedly connected to the third connecting frame 2077, and the second sliding block 2076 is fixedly connected to the outer wall of the end of the second sliding block 2076 The top outer wall is fixedly connected with a connecting shaft 2073, and the connecting shaft 2073 is used to improve the stability of the second sliding block 2076 during movement. The end of the connecting shaft 2073 away from the second sliding block 2076 passes through the second rotating frame 2071 and is fixedly connected with a limiting block 2074. The inner wall of the limiting block 2074 is slidably connected to the outer surface of the third telescopic rod 2072. The outer wall of the limiting block 2074 on one side close to the second sliding block 2076 is fixedly connected with a spring 2075, and the end of the spring 2075 away from the limiting block 2074 is fixedly connected to the second rotating frame 2071.

[0043] The inner wall of the third connecting frame 2077 is fixedly connected to the second driving motor 2078, the output end of the second driving motor 2078 is fixedly connected to the third fixed block 2079, the inner wall of the end of the third fixed block 2079 away from the second driving motor 2078 is fixedly connected to the second visual detector 20710, and the outer wall of the end of the third fixed block 2079 close to the second visual detector 20710 is fixedly connected to the second detection probe 20711. The second detection probe 20711 is used to drive the second auxiliary motor 202 to make the first sliding frame 201 move with the examinee, and the second visual detector 20710 is used to take a picture of the examinee's landing point, thereby improving the authenticity and validity of the examinee's test scores.

[0044] The working principle of this embodiment is as follows: the second rotating frame 2071 can be rotated to a certain angle by the first driving motor 206, and then the distance between the second visual detector 20710 and the examinee is adjusted with the help of the third telescopic rod 2072. At the same time, the third fixed block 2079 is flipped to a certain angle by the second driving motor 2078, so that the examinee can be photographed from the side of the examinee's landing point. In addition, the first visual detector 1077 and the second visual detector 20710 are used to photograph and analyze the points where the examinee's body contacts the long jump buffer 102, so as to minimize errors and thereby improve the authenticity and validity of the examinee's test scores.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A standing long jump physical test device based on machine vision, comprising an adjustment mechanism (1), the adjustment mechanism (1) comprising a support frame (101), the inner wall of the support frame (101) being fixedly connected to a long jump buffer pad (102), the outer wall of the support frame (101) being fixedly connected to a first fixing frame (105), the side of the long jump buffer pad (102) close to the first fixing frame (105) being fixedly connected to a take-off line (103), the inner wall of an end of the first fixing frame (105) away from the support frame (101) being fixedly connected to a first auxiliary motor (106), an output end of the first auxiliary motor (106) being provided with an auxiliary component (107), the top outer wall of the support frame (101) being fixedly connected to a measuring standard line (104), the outer wall of the support frame (101) being fixedly connected to a first connecting frame (108), the top inner wall of the first connecting frame (108) being fixedly connected to a fixed shaft (109), characterized in that: Also included are: The following mechanism (2) comprises a first sliding frame (201) slidably connected to a fixed shaft (109); a second auxiliary motor (202) is fixedly connected to the outer surface of the first sliding frame (201); an output end of the second auxiliary motor (202) passes through the first sliding frame (201) and is fixedly connected to a driving wheel (203); an outer wall of the first sliding frame (201) on one side close to the driving wheel (203) is rotatably connected to an auxiliary wheel (204) via a rotating shaft; a second connecting frame (205) is fixedly connected to the top outer wall of the first sliding frame (201); a first driving motor (206) is fixedly connected to the inner wall of the second connecting frame (205); and a detection component (207) is provided at the output end of the first driving motor (206).

2. The machine vision-based standing long jump physical test device according to claim 1, characterized in that: The detection component (207) is close to a second rotating frame (2071) fixedly connected to the output end of the first drive motor (206); the inner wall of one end of the second rotating frame (2071) away from the first drive motor (206) is fixedly connected to a third telescopic rod (2072); the output end of the third telescopic rod (2072) passes through the second rotating frame (2071) and is fixedly connected to a second sliding block (2076); the outer wall of one end of the second sliding block (2076) away from the third telescopic rod (2072) is fixedly connected to a third connecting frame (2077); the second sliding block (2 The top outer wall of the second sliding block (2076) is fixedly connected to a connecting shaft (2073), one end of the connecting shaft (2073) away from the second sliding block (2076) passes through the second rotating frame (2071) and is fixedly connected to a limiting block (2074), the inner wall of the limiting block (2074) is slidably connected to the outer surface of the third telescopic rod (2072), the outer wall of the limiting block (2074) on one side close to the second sliding block (2076) is fixedly connected to a spring (2075), and one end of the spring (2075) away from the limiting block (2074) is fixedly connected to the second rotating frame (2071).

3. The machine vision-based standing long jump physical test device according to claim 2, characterized in that: The inner wall of the third connecting frame (2077) is fixedly connected to a second driving motor (2078), the output end of the second driving motor (2078) is fixedly connected to a third fixing block (2079), the inner wall of one end of the third fixing block (2079) away from the second driving motor (2078) is fixedly connected to a second visual detector (20710), and the outer wall of one end of the third fixing block (2079) close to the second visual detector (20710) is fixedly connected to a second detection probe (20711).

4. The standing long jump physical test equipment based on machine vision according to claim 1, characterized in that: The auxiliary component (107) comprises a first rotating frame (1071) fixedly connected to the output end of the first auxiliary motor (106); a first telescopic rod (1072) is fixedly connected to the inner wall of one end of the first rotating frame (1071) away from the first auxiliary motor (106); and a first fixing block (1073) is provided on the outer wall of one side of the first rotating frame (1071) close to the first telescopic rod (1072).

5. The standing long jump physical test equipment based on machine vision according to claim 4, characterized in that: A first connecting block (1074) is fixedly connected to an outer wall of one side of the first fixing block (1073) close to the output end of the first telescopic rod (1072); the first connecting block (1074) is fixedly connected to the output end of the first telescopic rod (1072); and a second connecting block (1075) is fixedly connected to one end of the first fixing block (1073) away from the first connecting block (1074).

6. The machine vision-based standing long jump physical test device according to claim 5, characterized in that: The inner wall of the second connecting block (1075) is slidably connected to the outer surface of the second telescopic rod (112); the inner wall of the first fixed block (1073) on a side away from the first telescopic rod (1072) is fixedly connected to the first visual detector (1077); and the outer wall of the first fixed block (1073) on a side close to the first visual detector (1077) is fixedly connected to the first detection probe (1076).

7. The standing long jump physical test equipment based on machine vision according to claim 1, characterized in that: A through hole (110) is formed on the outer surface of the first fixing frame (105); a second fixing frame (111) is fixedly connected to an outer wall of the first fixing frame (105) on one side close to the through hole (110); a second telescopic rod (112) is fixedly connected to an inner wall of the second fixing frame (111); a first sliding block (113) is fixedly connected to an output end of the second telescopic rod (112); and an outer surface of the first sliding block (113) is slidably connected to the inner wall of the through hole (110).

8. The machine vision-based standing long jump physical test device according to claim 7, characterized in that: The outer wall of one end of the first sliding block (113) away from the second telescopic rod (112) is fixedly connected to a second fixed block (114), the inner wall of the second fixed block (114) away from the first sliding block (113) is fixedly connected to a display screen (115), and the outer wall of the second fixed block (114) close to the display screen (115) is fixedly connected to a camera (116).

Citation Information

Patent Citations

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