CN103638646B - The upper hip force at the core that fixedly turns is trained and information feed back supervising device - Google Patents

Abstract

The utility model relates to a fixed hip rotation core strength training and information feedback monitoring device, which relates to a strength training and quantification monitoring device. The present invention solves the problem that there is no special upper fixed hip rotation core strength training, and the problem that information feedback motion parameters cannot be given. The chassis of the present invention is arranged directly above the base, and the balance base is fixedly arranged on the lower end surface of the chassis. The chassis and the base are rotatably connected through the balance base. The set rotating shaft is connected, the lower end of the rotating shaft is rotatably connected with the chassis, the bushing is set on the rotating shaft at the lower end of the pedal, the rotation resistance is installed between the rotating shaft and the bushing, and the two distance measuring sensors are respectively located in the balance On both sides of the curved surface of the base; the signal output ends of the two distance measuring sensors are respectively connected to the first distance signal input end and the second distance signal input end of the control circuit. The invention is used for upper fixed hip rotation core strength training and information feedback monitoring.

Description

Upper fixed hip rotation core strength training and information feedback monitoring device

technical field

The invention relates to a human body physical strength training and monitoring device, in particular to an upper fixed hip rotation core strength training and information feedback monitoring device.

Background technique

The main function of core strength training is to stabilize the athlete's spine and pelvis, maintain correct body posture, stabilize the center of gravity, improve body control and balance, and increase energy output from core muscles to limbs and other muscles during exercise.

Core strength emphasizes that the force of the movement should rely on the center of the body. The force of the extremities starts from the force of the trunk and waist, which can extend the moment arm, increase the torque, and obtain greater strength. When the athlete is exercising, the waist to the hip The position of the head is the center of the whole body, which acts as a link for the movement of the whole body. The more developed the core strength of the athlete, the more coordinated they will be when doing movements, and the better the movement effect will be. Core strength exercises emphasize resistance exercises under unbalanced conditions, which can make more small muscle groups special It is the auxiliary muscles around the joints that participate in sports, improving the ability of athletes to stabilize joints and control the center of gravity during sports.

Modern high-level scientific training pays attention to the integration of the latest training concepts and strength training methods close to special movements. It uses the athlete's movement information to monitor the athlete's technical process. Muscle groups such as the hips and hips are fixed at the upper end to complete the hip rotation. At present, there is no special core strength training for upper fixed hip rotation, let alone quantitative monitoring of exercise parameters.

Contents of the invention

The purpose of the present invention is to solve the problem that there is no special upper fixed hip rotation core strength training, let alone information feedback motion parameters. Furthermore, an upper fixed hip rotation core strength training and information feedback monitoring device is provided.

The technical solution of the present invention is: an upper fixed hip rotation core strength training and information feedback monitoring device, which includes a base, a chassis, a balance base, two sets of support rods, a rotating shaft, a shaft sleeve, a rotation resistance device, a pedal and an information feedback assembly, There is a groove on the base, the chassis is set directly above the base, and the balance base is fixedly arranged on the lower end surface of the chassis. The bottom surface of the balance base is an arc surface with a radius of R, and the balance base can be rotated between the chassis and the base. Connection, the pedal is arranged directly above the chassis, the pedal and the chassis are connected by a vertically arranged rotating shaft, and the upper end of the rotating shaft is fixedly connected with the lower end surface of the pedal, and the lower end of the rotating shaft is rotatably connected with the chassis. The sleeve is fitted on the rotating shaft at the lower end of the pedal, and the rotation resistance device is installed between the rotating shaft and the shaft sleeve.

The information feedback assembly includes a torque feedback unit, two distance measuring sensors, a control circuit and a display, and the two distance measuring sensors are respectively located on both sides of the arc surface of the balance base; the signal output terminals of the two distance measuring sensors are respectively connected to the control circuit The first distance signal input terminal and the second distance signal input terminal, the display drive signal output terminal of the control circuit is connected to the signal input terminal of the display;

A control module implemented by software is embedded in the control circuit, and the control module includes the following units:

The data acquisition unit is used to simultaneously collect the first distance signal input from the first distance signal input terminal and the second distance signal input from the second distance signal input terminal at each sampling time interval;

The comparison unit subtracts the second distance signal from the received first distance signal to obtain a signal difference;

The display unit is used to convert the signal difference into digital information or graphic information and send it to the display;

The torque feedback unit includes a torque sensor, a torque amplifier and a voltage-driven display, and the torque sensor, the torque amplifier and the voltage-driven display are connected in series in sequence.

Compared with the prior art, the present invention has the following effects:

1. During the training process, the present invention can display the balance state in real time, quantify and monitor the exercise parameters, and then let the trainer know the state of his training, and then adjust his posture in real time, which is conducive to improving the core strength training effect of athletes.

2. The quantitative information of the present invention is sent to a remote computer and other information reading devices through a serial communication port or a wireless communication circuit, and then can be used to analyze the training status of the trainer, and then provide guidance for the coach.

3. The present invention has a simple structure and is easy to manufacture.

4. The two sets of support rods of the present invention are convenient for athletes to fix their upper bodies and step on the pedals safely during training, which ensures the effectiveness and safety of athlete training.

5. The rotation resistance device of the present invention can adjust the resistance between the rotation shaft and the shaft sleeve at any time when the athlete stands on the pedal to turn the hip, and the torque feedback unit can measure the torque when the athlete turns the hip, and then understand the athlete's hip rotation. The speed curve of the applied force, and then effectively monitor the entire movement technology process in real time.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention; Fig. 2 is a bottom view of the chassis and a balance base; Fig. 3 is a schematic diagram of the electrical part of the torque feedback unit in the information feedback assembly; Fig. 4 is a schematic diagram of the overall structure with a limiting device; Fig. 5 is a schematic diagram of the electrical part of the information feedback component except the torque feedback unit; FIG. 6 is a schematic diagram of the electrical part with the specific structure of the control circuit in the information feedback component.

detailed description

Specific Embodiment 1: This embodiment is described in conjunction with Figures 1-6. This embodiment includes a base 8, a chassis 1, a balance base 2, two sets of support rods 11, a rotating shaft 15, a shaft sleeve 16, a rotation resistance 17, and a pedal 18 and the information feedback assembly, the base 8 is provided with a groove 81, the chassis 1 is arranged directly above the base 8, the balance base 2 is fixedly arranged on the lower end surface of the chassis 1, and the bottom surface of the balance base 2 has a radius of R On the arc surface, the chassis 1 and the base 8 are rotatably connected through the balance base 2, the pedal 18 is arranged directly above the chassis 1, and the pedal 18 and the chassis 1 are connected by a vertically arranged rotating shaft 15, and the rotation shaft 15 The upper end is fixedly connected to the lower end surface of the pedal 18, and the lower end of the rotating shaft 15 is rotatably connected to the chassis 1. The bushing 16 is set on the rotating shaft 15 at the lower end of the pedal 18, and the rotation resistance device 17 is installed on the rotating shaft 15 and the bushing. between 16,

The information feedback assembly includes a torque feedback unit, two distance measuring sensors 3, a control circuit 4 and a display 6, and the two distance measuring sensors 3 are respectively located on both sides of the arc surface of the balance base 2; the signals of the two distance measuring sensors 3 The output end is respectively connected to the first distance signal input end and the second distance signal input end of the control circuit 4, and the display drive signal output end of the control circuit 4 is connected to the signal input end of the display 6;

A control module implemented by software is embedded in the control circuit 4, and the control module includes the following units:

The data acquisition unit is used to simultaneously collect the first distance signal input from the first distance signal input terminal and the second distance signal input from the second distance signal input terminal at each sampling time interval;

The comparison unit subtracts the second distance signal from the received first distance signal to obtain a signal difference;

The display unit is used to convert the signal difference into digital information or graphic information and send it to the display;

The torque feedback unit includes a torque sensor 20, a torque amplifier 21 and a voltage-driven display 22, and the torque sensor 20, the torque amplifier 21 and the voltage-driven display 22 are connected in series in sequence.

In this embodiment, the output of the ranging sensor is a digital signal.

The sampling time is any time parameter between 0.5 seconds and 3 seconds.

When the balance training device with information feedback function described in this embodiment is used in practice, the balance base 2 is placed in a flat area, and the trainer stands on the pedal 1 with one or both feet. After the training starts, when the pedal 1 When an inclination occurs, the signals output by the two distance measuring sensors 3 are different, and the control circuit obtains the inclination of the pedal by collecting and comparing the two distance signals, and displays and outputs the inclination in a digital or graphic manner through the display.

When displayed in numerical form, the signal difference can be displayed with a plus or minus sign, with a larger number indicating a greater slope.

When displayed in a graphic form, an overall image of the balance training device may be displayed, and then the tilting state of the balance training device may be displayed according to the inclination. It is also possible to use a simple image, for example, to only display the balance state of the pedals.

Specific embodiment two: this embodiment is described in conjunction with Fig. 1 or Fig. 4, and each set of support rods 11 of this embodiment includes a telescopic support rod 11-1 and an elastic support column 11-2, and the elastic support column 11-2 is vertical It is fixedly installed on the chassis 1, and the telescopic pole 11-1 is vertically and fixedly installed on the elastic support column 11-2. Such arrangement makes it convenient for athletes to safely stand on the pedal 18 during training, providing convenience for athletes. Other compositions and connections are the same as in the first embodiment.

Specific Embodiment Three: This embodiment is described with reference to FIG. 1 or FIG. 4 , and the elastic support column 11 - 2 of this embodiment is a rubber support column. Such setting can realize multi-angle shaking, and the use is more humanized. Other compositions and connections are the same as those in the second embodiment.

Embodiment 4: This embodiment is described in conjunction with FIG. 1. The bottom surface of the groove 81 of this embodiment is an arc surface, and the radius of the arc surface is greater than the radius of the balance base 2, and the chord height of the arc is equal to that of the balance base 2. Between 0.2 and 0.6 times the height. With such an arrangement, it is easier to ensure that the balance base 2 is located in the middle of the groove 81, so that its left and right swings have the same amplitude. Other compositions and connections are the same as those in the third embodiment.

Specific embodiment five: This embodiment is described in conjunction with FIG. 4 . The upper fixed hip rotation core strength training and information feedback monitoring device of this embodiment also includes two limiting devices 10 , and the two limiting devices 10 are symmetrically arranged on the base 8 , each limiting device 10 includes a slide rail, a top post 14, a stop rod 13 and a plurality of pairs of stop blocks 12; the slide rail is fixedly connected to the upper surface of the base; the top post 14 is fixed On the slider of the slide rail; on both sides of the slide rail, there are many pairs of limit blocks 12 equidistant along the sliding direction, and each pair of limit blocks 12 is provided with a retaining rod fixing groove, and the retaining rod fixing groove Used to place the blocking rod 13. Set up in this way, the position limiting device 10 in this embodiment adopts the way of the slideway to realize the adjustment of the spacing, and the effect of fixing the position is realized by setting the limit stopper on the side of the slideway, the operation is convenient and fast, and the movement of the position limiting device 1 is made The height remains unchanged, which can ensure the consistency of the maximum angle that the pedal 1 can swing left and right defined by each gear; at the same time, two limit devices 10 are set to facilitate the balance of the base 2 when beginners practice hip rotation. The swing range is appropriate. Other compositions and connections are the same as in Embodiment 4.

Embodiment 6: This embodiment is described in conjunction with FIG. 4 . The upper fixed hip rotation core strength training and information feedback monitoring device of this embodiment also includes two feet limit projections 19, and the two feet limit projections 19 are arranged on on pedal 18. Such setting is convenient for athletes to use. Other compositions and connections are the same as those in Embodiment 5.

Embodiment 7: This embodiment is described in conjunction with FIG. 6. The control circuit 4 of this embodiment includes two signal conditioning circuits 41, an A/D conversion circuit 42 and a controller 43; the control module is embedded in the controller 43, The signal input terminals of the two signal conditioning circuits 41 are respectively the first distance signal input terminal and the second distance signal input terminal of the control circuit 4, and the signal output terminals of the two signal conditioning circuits 41 are respectively connected to the A/D conversion Two analog signal input ends of the circuit 42, the digital signal output end of the A/D conversion circuit 42 is connected to the signal acquisition signal input end of the controller 43, and the A/D conversion control signal output end of the controller 43 is connected to A The conversion control signal input end of the /D conversion circuit 42 and the display drive signal output end of the controller are connected to the signal input end of the display 6 . So set, in this embodiment, the output of the two ranging sensors is an analog signal, and the analog signal is sent to the A/D conversion circuit after being processed by the signal conditioning circuit, and after the A/D conversion circuit converts the analog signal into a digital signal sent to the controller. The controller 43 in this embodiment can be realized by a single-chip microcomputer. Information feedback is more timely and accurate. Other compositions and connections are the same as those in Embodiment 6.

Embodiment 8: This embodiment is described in conjunction with FIG. 5 and FIG. 6. The upper fixed hip rotation core strength training and information feedback monitoring device of this embodiment also includes a keyboard 5, and the signal output end of the keyboard 5 is connected to the control circuit 4. keyboard signal input terminal; the control module also includes the following units:

A key information acquisition unit, configured to receive key information input by the keyboard 5;

The button information decoding unit is used to judge the content of the obtained button information. When the button information is sampling time information, the sampling time information is used as the sampling time information; when the button information is output digital display information, a digital display command is sent to the display unit. ; When the button information bit image display information, send the graphics display command to the display unit;

The display unit sends corresponding display information to the display 6 according to the received command.

Such setting is convenient for athletes to use. Other compositions and connections are the same as those in Embodiment 6.

Specific Embodiment Nine: This embodiment is described in conjunction with FIG. 6. The control circuit 4 of this embodiment also includes two zeroing circuits 44, and the two zeroing circuits 44 correspond to two signal conditioning circuits 41, each The signal output end of the zero adjustment circuit 44 is connected to the zero adjustment signal input end of a signal conditioning circuit 41 . In this way, the keyboard 5 is added in this embodiment, and the setting of parameters can be realized, for example, the sampling time of the sampling interval can be set, or the type of the displayed signal can be set to be digital or graphic and so on. Other compositions and connections are the same as those in the seventh or eighth specific embodiment.

Operation process of the present invention:

In order to overcome the unstable state and maintain the correct force posture, athletes need to mobilize and activate more core muscle fibers through the waist, pelvis, hip joints and lower limbs to participate in stabilizing the body balance machine and exerting force. To carry out the core strength exercise of upper fixed hip rotation, the athlete stands on the device with information feedback components in an unstable state, and combines the optimized design of the practice device with special strength characteristics close to throwing, wrestling, basketball, etc., with hands Hold two groups of support rods 11, adjust the position of the two feet limit ribs 19 on the pedal 18, adjust the resistance of the rotation resistance device 17, and carry out rotation exercises. Quantitative processing display, real-time quantitative monitoring of the balance state of the athlete's body during exercise. The force velocity curve measured and displayed by the torque feedback unit can effectively monitor the whole motion technology process in real time.

Claims (9)

1. the upper hip force at the core that fixedly turns is trained and information feed back supervising device, it is characterized in that: it comprises base (8), chassis (1), balance base (2), two groups of support bars (11), turning cylinder (15), axle sleeve (16), rotational resistance device (17), pedal (18) and information feed back assembly, base (8) is provided with groove (81), chassis (1) is arranged on directly over base (8), balance base (2) is fixedly installed on the lower surface of chassis (1), the cambered surface of to be radius be in the bottom surface of described balance base (2) R, be rotatably connected by balance base (2) between chassis (1) and base (8), pedal (18) is arranged on directly over chassis (1), turning cylinder (15) by vertically arranging between pedal (18) with chassis (1) is connected, and the upper end of turning cylinder (15) is fixedly connected with the lower surface of pedal (18), be rotatably connected between the lower end of turning cylinder (15) and chassis (1), axle sleeve (16) is sleeved on the turning cylinder (15) of pedal (18) lower end, rotational resistance device (17) is arranged between turning cylinder (15) and axle sleeve (16),

Described information feed back assembly comprises torsion feedback unit, two distance measuring sensors (3), control circuit (4) and displays (6), and two distance measuring sensors (3) lay respectively at the both sides of the cambered surface of balance base (2); First distance signal input of signal output part difference connection control circuit (4) of two distance measuring sensors (3) and second distance signal input, the display drive signals output of described control circuit (4) connects the signal input part of display (6);

Described control circuit (4) is embedded in the control module of software simulating, and described control module comprises as lower unit:

Data acquisition unit, the second distance signal that the first distance signal and second distance signal input for gathering the first distance signal input input at interval of the sampling time all simultaneously input;

Comparing unit, deducts second distance signal with the first distance signal received, and obtains signal difference;

Display unit, for converting signal difference to digital information or graphical information sends to display;

Described torsion feedback unit comprises torsion torque sensor (20), torsion amplifier (21) and voltage driven displays (22), and torsion torque sensor (20), torsion amplifier (21) and voltage driven displays (22) are connected successively.

2. the upper hip force at the core that fixedly turns according to claim 1 is trained and information feed back supervising device, it is characterized in that: often organize described support bar (11) and include telescopic support struts (11-1) and elastomeric support column (11-2), elastomeric support column (11-2) is vertically fixedly mounted on chassis (1), and telescopic support struts (11-1) is vertically fixedly mounted in elastomeric support column (11-2).

3. the upper hip force at the core that fixedly turns according to claim 2 is trained and information feed back supervising device, it is characterized in that: described elastomeric support column (11-2) is rubber post.

4. the upper hip force at the core that fixedly turns according to claim 3 is trained and information feed back supervising device, it is characterized in that: the bottom surface of described groove (81) is cambered surface, and the radius of this cambered surface is greater than the radius of balance base (2), between the action of circular arc is 0.2 times to 0.6 times of the height of balance base (2).

5. the upper hip force at the core that fixedly turns according to claim 4 is trained and information feed back supervising device, it is characterized in that: fixed turn hip force at the core training and information feed back supervising device also comprise two stopping means (10), two stopping means (10) are symmetricly set on base (8), and each stopping means (10) comprises an one slide rail, fore-set (14), a pin (13) and a multipair limited block (12); Described slide rail is fixedly connected with the upper surface of base; Described fore-set (14) is fixed on the slide block of slide rail; Have multipair limited block (12) in the both sides of slide rail along its glide direction spaced set, often pair of limited block (12) is provided with pin holddown groove, described pin holddown groove is for placing pin (13).

6. the upper hip force at the core that fixedly turns according to claim 5 is trained and information feed back supervising device, it is characterized in that: fixed turn hip force at the core training and information feed back supervising device also comprise double-legged spacing preiection (19), described double-legged spacing preiection (19) is arranged on pedal (18).

7. the upper hip force at the core that fixedly turns according to claim 1 is trained and information feed back supervising device, it is characterized in that: described control circuit (4) comprises two signal conditioning circuits (41), A/D change-over circuit (42) and controller (43), described control module is embedded in controller (43), the signal input part of described two signal conditioning circuits (41) is the first distance signal input and the second distance signal input of control circuit (4) respectively, the signal output part of described two signal conditioning circuits (41) connects two input end of analog signal of A/D change-over circuit (42) respectively, the signals collecting signal input part of the digital signal output end connection control device (43) of described A/D change-over circuit (42), the A/D changeover control signal output of described controller (43) connects the changeover control signal input of A/D change-over circuit (42), the display drive signals output of described controller connects the signal input part of display (6).

8. the upper hip force at the core that fixedly turns according to claim 7 is trained and information feed back supervising device, it is characterized in that: fixed turn hip force at the core training and information feed back supervising device also comprise keyboard (5), the keyboard signal input of the signal output part connection control circuit (4) of described keyboard (5); Described control module also comprises as lower unit:

Key information collecting unit, for receiving the key information that keyboard (5) inputs;

Key information decoding unit, for judging the content obtaining key information, when key information is sampling time information, using this sampling time information as sampling time information; When key information is for exporting numerical monitor information, send numerical monitor order to display unit; When key information is image display information, send graphics display command to display unit;

Display unit, sends corresponding display information to display (6) according to the order received.

9. the upper hip force at the core that fixedly turns according to claim 7 is trained and information feed back supervising device, it is characterized in that: described control circuit (4) also comprises two zeroing circuits (44), described two zeroing circuits (44) are corresponding with two signal conditioning circuits (41) respectively, and the signal output part of each zeroing circuit (44) connects the zeroed signal input of a signal conditioning circuit (41).