CN112057795A - Novel strength training apparatus - Google Patents
Novel strength training apparatus Download PDFInfo
- Publication number
- CN112057795A CN112057795A CN202010952984.9A CN202010952984A CN112057795A CN 112057795 A CN112057795 A CN 112057795A CN 202010952984 A CN202010952984 A CN 202010952984A CN 112057795 A CN112057795 A CN 112057795A
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- Prior art keywords
- motor
- actuator
- pulley
- strength training
- transmission device
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
- A63B21/0053—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using alternators or dynamos
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
- A63B2024/0093—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load the load of the exercise apparatus being controlled by performance parameters, e.g. distance or speed
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a novel strength training instrument which comprises a motor A, a motor B, a first force transmission device, a second force transmission device, a first actuator, a second actuator, a first tension rope, a second tension rope and a processor, wherein the processor inputs signals to the motor to control the torque of the motor; the first pull rope is coupled between the motor A and the first actuator through a first force transmission device; the second pull rope is coupled between the motor B and the second actuator through a second force transmission device; when a user drives the first actuator and/or the second actuator, the motor A and/or the motor B controls the direction and the magnitude of the current according to the input signal sent by the processor to control the direction and the magnitude of the moment, so that resistance is provided for the first actuator and/or the second actuator, the damping inertia is reduced, the safety of training is improved, and the flexibility of training can be improved.
Description
Technical Field
The invention belongs to the technical field of strength training instruments, and particularly relates to a novel strength training instrument.
Background
Strength training can stimulate the growth of muscles, make the muscles stronger and promote the rapid combustion of fat. Traditional strength training machinery is generally through adjusting the resistance through heavy object counter weight, magnetic resistance, windage, water resistance, sliding friction etc. this kind of strength training machinery damping inertia is big, can't realize the big or small rapid change of damping, leads to speed variation can not be too fast in the motion process for explosive force takes exercise the effect not good, and the security is also not high simultaneously.
Disclosure of Invention
In order to solve the problems of large damping inertia and low safety of the traditional strength training machine, the invention provides a novel strength training machine to reduce the damping inertia and improve the training safety.
The invention is realized by the following technical scheme:
a novel strength training apparatus is characterized by comprising a motor A, a motor B, a first force transmission device, a second force transmission device, a first actuator, a second actuator, a first tension rope, a second tension rope and a processor for inputting signals to the motor to control the torque of the motor;
the first pull rope is coupled between the motor A and the first actuator through a first force transmission device; the second pull rope is coupled between the motor B and the second actuator through a second force transmission device;
when a user drives the first actuator and/or the second actuator, the motor A and/or the motor B controls the direction and the magnitude of the current according to the input signal sent by the processor to control the direction and the magnitude of the moment, and resistance is provided for the first actuator and/or the second actuator.
Further, the first force transmission device comprises a first pulley, a second pulley, a first track carrier, a first track, a first sliding block and a first power arm;
the motor A is connected with the second pulley, and the second pulley is connected with the first pulley;
the first pulley is connected with the first sliding block through the first track, and the first track is arranged in the first track carrier;
the first slider is connected with the first actuator through the first power arm.
Further, the first power arm is used for adjusting the position and the angle of the first actuator through adjusting the degree of freedom.
Further, the second force transmission device comprises a third pulley, a fourth pulley, a second track carrier, a second track, a second sliding block and a second power arm;
the motor B is connected with the third pulley, and the third pulley is connected with the fourth pulley;
the fourth pulley is connected with the second sliding block through the second track, and the second track is arranged in the second track carrier;
the second slider is connected to the second actuator via the first powered arm.
Further, the second power arm is used for adjusting the position and the angle of the second actuator through adjusting the degree of freedom.
Further, the motor A and the motor B both adopt torque motors;
further, a spool matched with the first tension rope spool is arranged on a rotating shaft of the motor A, and the first tension rope penetrates out of the first force transmission device through the spool and is connected with the first brake; and a spool matched with the second tension rope spool is arranged on a rotating shaft of the motor B, and the second tension rope penetrates out of the second force transmission device through the spool and is connected with the second brake.
And the processor is used for calculating the target tension of the first actuator and/or the second actuator and converting the target tension into an input signal to control the direction and the magnitude of the current.
Further, the novel strength training instrument using the direct drive motor also comprises a cable; the cable is used for supplying power to the motor A and the motor B.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the processor controls the direction and the size of the control moment by calculating the target tension of the first actuator and/or the second actuator and converting the target tension into an input signal and controlling the direction and the size of the control current, so that the change of the speed in the motion process can be improved, the explosive force exercise effect can be improved, the power loss can be reduced, and the damping inertia can be reduced.
2. The invention can also realize that one motor drives to drive independently or two motors drive simultaneously so as to realize a flexible strength training mode.
Drawings
Fig. 1 is a schematic structural diagram of a novel strength training apparatus of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
The utility model provides a novel strength training apparatus, its characterized in that includes motor A, motor B, first power transmission unit, second power transmission unit, first actuator, second actuator, first pulling force rope, second pulling force rope and to motor A and/or motor B input signal with the treater of control motor moment. The first pull rope is coupled between the motor A and the first actuator through a first force transmission device; the second pull cord is coupled between the motor B and the second actuator by a second force transfer device.
Specifically, a spool matched with a first pulling force rope spool is arranged on a rotating shaft of the motor A, and the first pulling force rope penetrates out of the first force transmission device through the spool and is connected with a first brake; a spool matched with the second tension rope spool is arranged on a rotating shaft of the motor B, and the second tension rope penetrates out of the second force transmission device through the spool and is connected with the second brake. When the user drives the first actuator and/or the second actuator, the motor A and/or the motor B controls the direction and the magnitude of the current according to the input signal sent by the processor to control the direction and the magnitude of the moment.
Wherein the actuator refers to a contact member mounted on the strength training apparatus for the user to perform strength training, including but not limited to a pull handle, a barbell bar, and a double-headed snake.
In this embodiment, the motor a and the motor B both employ torque motors to continuously operate at a low speed of the motor even when the motor is locked (i.e., the rotor cannot rotate), so as to provide resistance to the first actuator and/or the second actuator, thereby assisting the user in performing strength training.
Further, the processor is used for calculating the target tension of the first actuator and/or the second actuator and converting the target tension into the input signal to control the direction and the magnitude of the current.
Wherein, the target tension refers to the tension actually generated by the user in the strength training on the strength training apparatus.
The strength training mode in this embodiment includes, but is not limited to, a centrifugal collapse mode, a catenary mode, an isokinetic mode, a monitoring mode, and a free mode.
Wherein, the centrifugation shrink-back mode means that when the user does the strength training on the strength training apparatus, when the stay cord on this strength training apparatus is inwards retrieved, can be than pulling force when outwards pulling bigger. In this mode, when the muscle of human body is centrifugally contracted, the force provided by the muscle is greater than that provided by the muscle of human body when the muscle is centripetally contracted. Therefore, the user inputs the increasing amplitude at the terminal of the computer equipment according to the self condition so as to finish the strength training. The increase range refers to the range of increasing the reference tension for meeting the centrifugal shrinkage requirement by taking the reference tension as a reference and acting on the pull rope.
The iron chain mode refers to a mode that an iron chain is hung on the barbell, and the farther the pull rope is pulled outwards, the larger the pull force is.
The constant velocity mode means that the reference tension of the pull rope is not required to be set by a user, and the target tension of the strength training equipment is mainly determined according to the tension provided by the user. The system monitors the speed of the pull rope in real time, the pulling force is increased when the speed is higher than a set value, and the pulling force is the default pulling force when the speed is lower than the set value, so that the mode is safer when the heavy-weight movement is carried out.
The monitoring mode refers to that the system monitors the motion state of the tension rope in real time, when the motion speed of the tension rope is lower than the preset speed, the force training instrument slowly reduces tension output until the current speed of the tension rope reaches the preset speed.
The free mode refers to that a user designs a unique training mode according to the training requirement of the user, and the unique training mode can be a combination of the modes so as to flexibly set the training mode and make strength training according with the self condition.
Further, when the training mode is the centrifugal contraction mode, the server calculates the reference tension and the increase amplitude through a first target tension calculation formula to obtain a first target tension.
The first target tension refers to the tension calculated by a first target tension calculation formula. The first target tension calculation formula is specifically as follows: f1＝F0(1+ amp) wherein F1Indicates a first target tension, F0Refers to the baseline tension, amp refers to the increase in magnitude.
And when the training mode is the iron chain mode, the server calculates the current position, the increasing amplitude, the initial position and the maximum movement position of the tension rope through a second target tension calculation formula to obtain a second target tension.
The first target tension refers to the tension calculated by a second target tension calculation formula. The second target tension calculation formula specifically includes:
wherein, F2Indicates the second target tension, F0Refers to the reference tension, amp refers to the increased amplitude, s refers to the current position of the tension rope0Indicating the initial position of the tensile cord and the RoM indicating the maximum movement position of the tensile cord.
And when the training mode is the constant speed mode, calculating the current speed of the tension rope and the initial speed of the tension rope through a third target tension calculation formula to obtain a third target tension.
And the third target tension refers to the tension calculated by a third target tension calculation formula. Further, the third target tension calculation formula is specifically as follows: f3＝F0+k(v-v0) Wherein F is3Means third target tension, F0Refers to the reference tension, k refers to the coefficient, v refers to the current speed of the tension rope, v refers to the reference tension0Indicating the initial speed of the tensile cord.
Specifically, after the target tension is obtained, the processor calculates a current corresponding to the target tension according to a formula i-k-F, and the processor controls the magnitude of the moment according to the magnitude of the current to provide resistance for the first actuator and/or the second actuator. Wherein i is the output current, k is the coefficient of the output current and the target tension, and F indicates the target tension. Meanwhile, the processor obtains the direction of the current according to the direction of the target pulling force to control the direction of the moment.
Further, the first force transfer device comprises a first pulley 301, a second pulley 302, a first rail carrier 601, a first rail 501, a first slider 401 and a first power arm 201.
The motor a is connected to a second pulley 302, and the second pulley 302 is connected to a first pulley 301.
The first pulley 301 is connected to the first slider 401 via a first track 501, the first track 501 being arranged within a first track carrier 601.
The first slider 401 is connected to the first actuator 101 through the first power arm 201.
Further, a first power arm 201 for adjusting the position and angle of the first actuator 101 by adjusting the degree of freedom.
Further, the second force transfer device comprises a third pulley 303, a fourth pulley 304, a second rail carrier 602, a second rail 502, a second slider 402 and a second power arm 202.
The motor B is connected to a third pulley 303, and the third pulley 303 is connected to a fourth pulley 304.
The fourth pulley 304 is connected to the second slider 402 by a second track 502, the second track 502 being disposed within a second track carrier 602.
The second slider 402 is connected to the second actuator 102 via the first power arm 202.
Further, a second power arm 202 for adjusting the position and angle of the second actuator 102 by adjusting the degree of freedom.
Further, the novel strength training apparatus using the direct drive motor further comprises a cable for supplying power to the motor A and the motor B.
In particular, the above embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The novel strength training instrument is characterized by comprising a motor A, a motor B, a first force transmission device, a second force transmission device, a first actuator (101), a second actuator (102), a first tension rope, a second tension rope and a processor for inputting signals to the motor A and/or the motor B to control the torque of the motor;
the first pull rope is coupled between the motor A and the first actuator (101) through a first force transmission device; the second pull cord is coupled between the motor B and the second actuator (102) by a second force transmission device;
when a user drives the first actuator (101) and/or the second actuator (102), the motor A and/or the motor B controls the direction and the magnitude of the current according to the input signal sent by the processor to control the direction and the magnitude of the moment, and provides resistance for the first actuator (101) and/or the second actuator (102).
2. The novel strength training apparatus of claim 1 wherein the first force transfer device comprises a first pulley (301), a second pulley (302), a first track carrier (601), a first track (501), a first slider (401) and a first powered arm (201);
the motor A is connected with the second pulley (302), and the second pulley (302) is connected with the first pulley (301);
the first pulley (301) is connected with the first slider (401) through the first track (501), and the first track (501) is arranged in the first track carrier (601);
the first slider (401) is connected with the first actuator (101) through the first power arm (201).
3. Strength training device according to claim 2 characterized by the fact that the first powered arm (201) is used to adjust the position and angle of the first actuator (101) by adjusting the degree of freedom.
4. The novel strength training apparatus of claim 1 wherein the second force transfer device comprises a third pulley (303), a fourth pulley (304), a second track carrier (602), a second track (502), a second slider (402), and a second power arm (202);
the motor B is connected with the third pulley (303), and the third pulley (303) is connected with the fourth pulley (304);
the fourth pulley (304) is connected with the second slider (402) by the second rail (502), the second rail (502) being disposed within the second rail carrier (602);
the second slider (402) is connected to the second actuator (102) via the first power arm (202).
5. The new power training apparatus of claim 4 wherein said second powered arm (202) is used to adjust the position and angle of said second actuator (102) by adjusting the degrees of freedom.
6. The novel strength training apparatus of claim 1 wherein said motor A and said motor B are torque motors.
7. The novel strength training apparatus of claim 6, wherein a spool engaged with the first tensile cord spool is disposed on the rotating shaft of the motor A, and the first tensile cord passes through the spool and out of the first force transmission device to be connected with the first brake; and a spool matched with the second tension rope spool is arranged on a rotating shaft of the motor B, and the second tension rope penetrates out of the second force transmission device through the spool and is connected with the second brake.
8. The novel strength training machine of claim 1 wherein the processor is configured to calculate a target pull force for the first actuator (101) and/or the second actuator (102) and convert the target pull force into an input signal to control the direction and magnitude of the current.
9. The novel strength training apparatus of claim 1 wherein the novel strength training apparatus using a direct drive motor further comprises a cable; the cable is used for supplying power to the motor A and the motor B.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952984.9A CN112057795A (en) | 2020-09-11 | 2020-09-11 | Novel strength training apparatus |
| PCT/CN2021/129779 WO2022053081A1 (en) | 2020-09-11 | 2021-11-10 | Novel strength training device adjustment method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952984.9A CN112057795A (en) | 2020-09-11 | 2020-09-11 | Novel strength training apparatus |
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| CN112057795A true CN112057795A (en) | 2020-12-11 |
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| CN202010952984.9A Pending CN112057795A (en) | 2020-09-11 | 2020-09-11 | Novel strength training apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230619A (en) * | 2021-06-17 | 2021-08-10 | 成都拟合未来科技有限公司 | Intelligent fitness safety protection method |
| WO2022053081A1 (en) * | 2020-09-11 | 2022-03-17 | 成都拟合未来科技有限公司 | Novel strength training device adjustment method and apparatus |
| CN114558313A (en) * | 2022-03-11 | 2022-05-31 | 北京踏行天际科技发展有限公司 | Motion recognition and scoring method for strength training instrument |
| CN114904210A (en) * | 2021-02-10 | 2022-08-16 | 广州源动智慧体育科技有限公司 | Force training instrument control method and device and force training instrument |
| CN114904207A (en) * | 2021-02-10 | 2022-08-16 | 广州源动智慧体育科技有限公司 | Force training instrument control method and device and force training instrument |
| WO2023279750A1 (en) * | 2021-07-05 | 2023-01-12 | 东莞市本末科技有限公司 | Fitness device based on direct drive electric motor |
| CN115634431A (en) * | 2022-09-22 | 2023-01-24 | 成都拟合未来科技有限公司 | Force fitness device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022053081A1 (en) * | 2020-09-11 | 2022-03-17 | 成都拟合未来科技有限公司 | Novel strength training device adjustment method and apparatus |
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| WO2023279750A1 (en) * | 2021-07-05 | 2023-01-12 | 东莞市本末科技有限公司 | Fitness device based on direct drive electric motor |
| CN114558313A (en) * | 2022-03-11 | 2022-05-31 | 北京踏行天际科技发展有限公司 | Motion recognition and scoring method for strength training instrument |
| CN114558313B (en) * | 2022-03-11 | 2023-08-08 | 北京踏行天际科技发展有限公司 | Action recognition and scoring method for strength training instrument |
| CN115634431A (en) * | 2022-09-22 | 2023-01-24 | 成都拟合未来科技有限公司 | Force fitness device and method |
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Application publication date: 20201211 |