Movable force measuring table based on flexible handle

Abstract

The utility model discloses a movable force measuring table based on a flexible handle. The movable force measuring table comprises a top layer rack, a bottom layer rack, a handle fixing piece, the flexible handle, a supporting base, a three-dimensional force sensor, a data transmitter, a data processor, a data acquisition instrument, a fixing nut, an adjusting nut, a chain ring and a wheel shaft structure. The wheel shaft structure comprises a wheel shaft fixing piece, a wheel shaft drawing piece, a rolling shaft, a rolling wheel and an adjustable flange nut. According to the utility model, the hidden flexible handles and the axle structures which do not influence the overall leveling of the force-measuring table are respectively arranged on the two sides of the force-measuring table, so that the force-measuring table can be transported, the portable and movable requirements of the force-measuring table can be met, and the force-measuring table can be quickly assembled by freely changing fields and limiting field specifications; scientific basis is provided for more application scenes such as sports scientific research, sports training guidance, medical scientific research, residual body rehabilitation training guidance and the like, and the problems that a force measuring table is inconvenient to install, cannot be moved after being installed and the like are solved.

Description

Technical Field

[0001] The utility model relates to the field of force measuring platforms, in particular to a movable force measuring platform based on a flexible handle. Background Art

[0002] Whether in biomechanics, sports science or basic life science research, the force plate covers an unparalleled measurement range and application range and is a very critical tool in scientific research, sports, performance diagnosis, motion analysis, clinical gait analysis and occupational safety.

[0003] Force plates are suitable for fast movements and impacts in sports. In biomechanical investigations, they can be used to record the forces exerted by a person's foot when standing, walking or running. They can also be used for orthopedic examinations to determine the progress of rehabilitation, such as the use of prostheses, data analysis after fractures, and can also be used to analyze high-dynamic sports activities to optimize training and competition analysis, such as starting behavior, performance measurement, etc.

[0004] At present, the application scenarios of mechanical force platforms are still restricted by relevant conditions and can only be used under specified environmental and operating conditions. Most of them are fixed or directly installed on a poured concrete base, which brings certain hidden dangers to the transportation, installation and testing of the equipment, seriously restricting the working environment of the force platform and limiting its application scenarios. Utility Model Content

[0005] In view of the deficiencies in the prior art, the technical problem that the utility model intends to solve is to provide a movable force measuring platform based on a flexible handle.

[0006] The utility model solves the technical problem by providing a movable force measuring platform based on a flexible handle, characterized in that the force measuring platform includes a top frame, a bottom frame, a handle fixing part, a flexible handle, a supporting base, a three-dimensional force sensor, a data transmitter, a data processor, a data acquisition instrument, a fixing nut, an adjusting nut, a chain ring and a wheel axle structure;

[0007] The screw parts of several support bases pass through the bottom stage and are slidably installed in the bottom stage; a fixing nut and an adjusting nut are threadedly installed on each support base, the fixing nut is located on the table top of the bottom stage, and the adjusting nut is located on the bottom surface of the bottom stage, and the fixing and leveling of the support base are achieved by adjusting the fixing nut and the adjusting nut; the three-dimensional force sensor, the data transmitter, the data processor and the data acquisition instrument are all fixed on the table top of the bottom stage; the top stage and the bottom stage are connected by studs to form a whole; the top surface and the bottom surface of the three-dimensional force sensor are in contact with the bottom surface of the top stage and the table top of the bottom stage respectively to achieve force measurement;

[0008] Two handle fixings are fixed on the bottom frame, located on one side of the bottom frame; a flexible handle is embedded in the middle of the chain link, and both ends are fixed in their respective handle fixings; a plurality of wheel axle structures are installed on the bottom surface of the bottom frame, located on the other side of the bottom frame, and the wheel axle structures are used to move the force measuring platform;

[0009] The wheel axle structure includes a wheel axle fixing part, a wheel axle pull-out part, a roller, a roller and an adjustable flange nut; the wheel axle fixing part is fixed to the bottom surface of the bottom platform; the wheel axle pull-out part is slidably nested in the wheel axle fixing part; a through hole is provided on the wheel axle fixing part, a through slot is provided on the wheel axle pull-out part, the adjustable flange nut passes through the through hole of the wheel axle fixing part and the through slot of the wheel axle pull-out part, and the position of the wheel axle pull-out part in the wheel axle fixing part is adjusted and fixed by loosening or locking the adjustable flange nut; a roller is rotatably installed on the end of the wheel axle pull-out part through a roller.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the two sides of the utility model are respectively provided with a concealed flexible handle and a wheel axle structure that does not affect the overall leveling of the force platform, thereby realizing the transportation of the force platform, meeting the requirements of portability and mobility of the force platform, and being able to freely change the venue and quickly assemble in limited venue specifications, providing a scientific basis for more application scenarios such as sports scientific research, sports training guidance, medical scientific research, and disabled body rehabilitation training guidance, and solving the problems of inconvenient installation of the force platform and immovability after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a right side schematic diagram of the overall structure of the utility model;

[0013] Figure 3 For the utility model Figure 2 Cross-sectional view in the AA direction;

[0014] Figure 4 This is a schematic diagram of the installation of the table top of the bottom shelf of the utility model;

[0015] Figure 5 This is a schematic diagram of the installation of the bottom surface of the bottom shelf of the utility model;

[0016] Figure 6 This is a schematic diagram of the installation of the flexible handle of the utility model;

[0017] Figure 7 It is a structural schematic diagram of the wheel axle structure of the utility model;

[0018] Figure 8 It is a structural schematic diagram of the wheel axle fixing member of the utility model;

[0019] Fig. 9 This is a schematic diagram of the installation of the roller of the utility model.

[0020] In the figure, the top platform 1, the bottom platform 2, the handle fixing part 3, the flexible handle 4, the connecting terminal 5, the supporting base 6, the three-dimensional force sensor 7, the data transmitter 8, the data processor 9, the data acquisition instrument 10, the fixing nut 11, the adjusting nut 12, the chain ring 13, the axle structure 14; the axle fixing part 14-1, the axle pulling part 14-2, the roller 14-3, the roller 14-4, the countersunk bolt 14-5, and the adjustable flange nut 14-6. DETAILED DESCRIPTION

[0021] The specific embodiments of the present invention are given below. The specific embodiments are only used to further illustrate the present invention in detail and do not limit the protection scope of the present invention.

[0022] The utility model provides a movable force measuring platform based on a flexible handle (abbreviated as force measuring platform), characterized in that the force measuring platform includes a top frame 1, a bottom frame 2, a handle fixing member 3, a flexible handle 4, a supporting base 6, a three-dimensional force sensor 7, a data transmitter 8, a data processor 9, a data acquisition instrument 10, a fixing nut 11, an adjusting nut 12, a chain ring 13 and a wheel axle structure 14;

[0023] The screw parts of several support bases 6 pass through the bottom stage 2 and are slidably installed in the bottom stage 2; each support base 6 is threadedly installed with a fixing nut 11 and an adjusting nut 12, the fixing nut 11 is located on the table surface of the bottom stage 2, and the adjusting nut 12 is located on the bottom surface of the bottom stage 2, and the fixing and leveling of the support base 6 are achieved by adjusting the fixing nut 11 and the adjusting nut 12; the three-dimensional force sensor 7, the data transmitter 8, the data processor 9 and the data acquisition instrument 10 are all fixed on the table surface of the bottom stage 2; the top stage 1 and the bottom stage 2 are connected by studs to form a whole; the top surface and the bottom surface of the three-dimensional force sensor 7 are respectively in contact with the bottom surface of the top stage 1 and the table surface of the bottom stage 2 to achieve force measurement;

[0024] Two handle fixings 3 are fixed on the table surface of the bottom frame 2 by countersunk screws, and are located on one side of the bottom frame 2; a flexible handle 4 is embedded in the middle of the chain link 13, and both ends are fixed in their respective handle fixings 3; a plurality of wheel axle structures 14 are installed on the bottom surface of the bottom frame 2, and are located on the other side of the bottom frame 2, and the wheel axle structures 14 are used to move the force platform;

[0025] The wheel axle structure 14 includes an axle fixing part 14-1, an axle pull-out part 14-2, a roller 14-3, a roller 14-4 and an adjustable flange nut 14-6; the axle fixing part 14-1 is fixed to the bottom surface of the bottom platform 2 by a countersunk bolt 14-5; the axle pull-out part 14-2 is slidably nested in the axle fixing part 14-1; a through hole is provided on the axle fixing part 14-1, and a through groove is provided on the axle pull-out part 14-2; the adjustable flange nut 14-6 passes through the through hole of the axle fixing part 14-1 and the through groove of the axle pull-out part 14-2, and the position of the axle pull-out part 14-2 in the axle fixing part 14-1 is adjusted and fixed by loosening or locking the adjustable flange nut 14-6; the end of the axle pull-out part 14-2 is rotatably mounted with a roller 14-4 through the roller 14-3.

[0026] Preferably, the screw rod portions of the four supporting bases 6 pass through the bottom frame 2 and are slidably mounted at the four corners of the bottom frame 2 .

[0027] Preferably, four three-dimensional force sensors 7 are distributed at four corners of the table top of the bottom platform 2 .

[0028] Preferably, the three-dimensional force sensor 7 is connected to the data acquisition instrument 10 through a data line, and the mechanical data collected by the three-dimensional force sensor 7 is sent to the data acquisition instrument 10; the data acquisition instrument 10 is connected to the data transmitter 8 through a data line to complete the data transmission; the data transmitter 8 is connected to the data processor 9 through a data line, and the mechanical data is processed in the data processor 9; the data processor 9 is connected to an external PC or other instrument through the connection terminal 5 for analysis and display.

[0029] Preferably, the three-dimensional force sensor 7 adopts a double-beam structure.

[0030] Preferably, the table top of the bottom shelf 2 is provided with a groove for accommodating the flexible handle 4 and the chain ring 13 .

[0031] Preferably, at least two wheel axle structures 14 are installed on the bottom surface of the bottom platform 2 in parallel and equidistantly.

[0032] The working principle and workflow of the utility model are:

[0033] When the force measuring platform is not in use, the flexible handle 4 and the chain ring 13 are located in the groove of the table top of the bottom frame 2; the axle pull-out member 14-2 is completely in the axle fixing member 14-1 and is fixed by the adjustable flange nut 14-6, and the roller 14-4 is now located within the coverage range of the bottom frame 2.

[0034] When the force platform needs to be used, the user loosens the adjustable flange nut 14-6, slides the wheel axle pull-out piece 14-2 out of the wheel axle fixing piece 14-1 until the roller 14-4 extends out of the bottom frame 2, and then tightens the adjustable flange nut 14-6; then the user takes the flexible handle 4 out of the groove on the table top of the bottom frame 2 and holds the flexible handle 4 to pull up one end of the force platform, at which time the roller 14-4 contacts the ground; the user drags the force platform and moves the force platform from the storage position to the test position by rolling the roller 14-4.

[0035] After the force measuring platform is moved to the test position, the flexible handle 4 and the chain ring 13 are placed in the groove of the table surface of the bottom frame 2, and the adjustable flange nut 14-6 is loosened at the same time, and the wheel axle pull-out piece 14-2 is completely slid into the wheel axle fixing piece 14-1, and then the adjustable flange nut 14-6 is tightened; then the support base 6 is leveled by adjusting the fixing nut 11 and the adjusting nut 12 or by installing a gasket at the bottom of the support base 6; after the leveling is completed, the test is started, and the person being tested walks or moves on the force measuring platform, and the three-dimensional force sensor 7 obtains the mechanical information of the person being tested, which is transmitted to the external computer through the data acquisition instrument 10, the data transmitter 8 and the data processor 9, and the three-dimensional force information (i.e., the component and resultant force in the horizontal, vertical and longitudinal directions), the pressure spectrum, the maximum pressure and other dynamic and static indicators are obtained, and the real-time graphic display and storage are provided for analysis by scientific researchers and coaches, so as to provide a data analysis template and a parameter indicator system for application research based on the force measuring platform.

[0036] Anything not described in the present invention is applicable to the prior art.

Claims

1. A movable force measuring platform based on a flexible handle, characterized in that: The force measuring platform comprises a top frame (1), a bottom frame (2), a handle fixing member (3), a flexible handle (4), a supporting base (6), a three-dimensional force sensor (7), a data transmitter (8), a data processor (9), a data acquisition device (10), a fixing nut (11), an adjusting nut (12), a chain ring (13) and a wheel axle structure (14); The screw rod parts of several support bases (6) pass through the bottom platform (2) and are slidably installed in the bottom platform (2); each support base (6) is threadedly installed with a fixing nut (11) and an adjusting nut (12); the fixing nut (11) is located on the table surface of the bottom platform (2), and the adjusting nut (12) is located on the bottom surface of the bottom platform (2); the fixing and leveling of the support base (6) are achieved by adjusting the fixing nut (11) and the adjusting nut (12); the three-dimensional force sensor (7), the data transmitter (8), the data processor (9) and the data acquisition instrument (10) are all fixed on the table surface of the bottom platform (2); the top platform (1) and the bottom platform (2) are connected by studs to form a whole; the top surface and the bottom surface of the three-dimensional force sensor (7) are respectively in contact with the bottom surface of the top platform (1) and the table surface of the bottom platform (2) to achieve force measurement; Two handle fixings (3) are fixed on the bottom frame (2) and are located on one side of the bottom frame (2); a flexible handle (4) is embedded in the middle of the chain link (13), and both ends are fixed in their respective handle fixings (3); a plurality of wheel axle structures (14) are installed on the bottom surface of the bottom frame (2) and are located on the other side of the bottom frame (2), and the wheel axle structures (14) are used to move the force measuring platform; The wheel axle structure (14) comprises a wheel axle fixing member (14-1), a wheel axle pull-out member (14-2), a roller (14-3), a roller (14-4) and an adjustable flange nut (14-6); the wheel axle fixing member (14-1) is fixed to the bottom surface of the bottom platform (2); the wheel axle pull-out member (14-2) is slidably nested in the wheel axle fixing member (14-1); a through hole is opened on the wheel axle fixing member (14-1), and the wheel axle pull-out member (14-2) is slidably nested in the wheel axle fixing member (14-1); A through slot is formed on the wheel axle fixing member (14-1), and an adjustable flange nut (14-6) passes through the through hole of the wheel axle fixing member (14-1) and the through slot of the wheel axle pull-out member (14-2). The position of the wheel axle pull-out member (14-2) in the wheel axle fixing member (14-1) is adjusted and fixed by loosening or tightening the adjustable flange nut (14-6); a roller (14-4) is rotatably mounted on the end of the wheel axle pull-out member (14-2) via a roller (14-3).

2. The movable force measuring platform based on the flexible handle according to claim 1 is characterized in that: The screw rod parts of the four supporting bases (6) pass through the bottom frame (2) and are slidably installed at the four corners of the bottom frame (2).

3. The movable force measuring platform based on the flexible handle according to claim 1 is characterized in that: Four three-dimensional force sensors (7) are distributed at the four corners of the table top of the bottom table frame (2).

4. The movable force measuring platform based on the flexible handle according to claim 1 is characterized in that: The three-dimensional force sensor (7) is connected to the data acquisition device (10) for communication; the data acquisition device (10) is connected to the data transmission device (8); the data transmission device (8) is connected to the data processor (9) for communication; the data processor (9) is connected to an external PC through the connection terminal (5).

5. The movable force measuring platform based on the flexible handle according to claim 1 is characterized in that: The three-dimensional force sensor (7) adopts a double-beam structure.

6. The movable force measuring platform based on the flexible handle according to claim 1 is characterized in that: The table top of the bottom shelf (2) is provided with a groove for accommodating the flexible handle (4) and the chain ring (13).

7. The movable force measuring platform based on the flexible handle according to claim 1 is characterized in that: At least two wheel axle structures (14) are installed on the bottom surface of the bottom platform (2) in parallel and equidistantly.

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