CN116832393A - Permanent magnet type resistance simulator - Google Patents
Permanent magnet type resistance simulator Download PDFInfo
- Publication number
- CN116832393A CN116832393A CN202210306865.5A CN202210306865A CN116832393A CN 116832393 A CN116832393 A CN 116832393A CN 202210306865 A CN202210306865 A CN 202210306865A CN 116832393 A CN116832393 A CN 116832393A
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- CN
- China
- Prior art keywords
- data
- transmission shaft
- torsion
- motor
- rotation speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000033001 locomotion Effects 0.000 claims abstract description 44
- 238000004804 winding Methods 0.000 claims abstract description 13
- 238000004088 simulation Methods 0.000 claims abstract description 3
- 238000004364 calculation method Methods 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 6
- 210000003205 muscle Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- 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
- A63B21/06—User-manipulated weights
Abstract
The invention relates to a permanent magnet resistance simulation device, which comprises: a base; the motor is arranged on the base and provided with a torsion output shaft, and is provided with a torsion data encoder and a rotation speed controller; the transmission shaft is arranged on the base and is in the same axial direction with the torsion output shaft, and is matched with a motion data encoder; the flywheel is coupled with the torque output shaft and the transmission shaft, and the flywheel is coupled with a magnet and a magnetic conduction sheet; a rope winding wheel arranged on the transmission shaft and wound with ropes, and a one-way clutch is arranged between the rope winding wheel and the transmission shaft; the scroll spring is arranged on the transmission shaft; the control system receives the torsion data of the torsion data encoder and the motion data of the motion data encoder and sends motor rotation speed control data to the rotation speed controller; therefore, the motor has the effect of linearly adjusting the movement resistance by adjusting the rotation speed of the motor.
Description
Technical Field
The present invention relates to a permanent magnet type resistance simulator, and more particularly to a design for linearly simulating motor torque into motion resistance by using a dual-rotor non-contact torque transmission structure.
Background
As shown in fig. 1, the conventional muscle trainer 10 uses an iron 11 as a load resistance, so that a user pulls up the iron 11 through a grip 12 and a cable 13 to build body-building muscles, promote physiological functions and keep healthy; however, the conventional muscle strength training machine has the following disadvantages: 1. the iron block 11 occupies a large space, and the adjustment of the movement resistance is quite time-consuming and labor-consuming, 2, when the iron block 11 is pulled up by the cable 13 and put down again, the iron block can generate great impact noise, 3, the movement resistance can not be changed by setting the movement curve, and the movement function is limited.
In addition, TWM697670/US11173343 discloses a "muscle force training machine" which incorporates a reel on the output shaft of a reduction mechanism, so that the torque force generated by the motor is directly transferred to the reel, which is a design of a "contact torque force transfer structure", but this design has the following drawbacks: 1. a larger horsepower motor must be used to provide sufficient resistance to movement, 2. Adjusting the motor speed does not allow for linear adjustment of the resistance to movement.
Disclosure of Invention
The main objective of the present invention is to provide a permanent magnetic resistance simulation device with the function of linearly adjusting the movement resistance by adjusting the rotation speed of the motor.
In order to achieve the effects, the invention is characterized by comprising the following steps: a base; the motor is arranged on the base and provided with a torsion output shaft, and is provided with a torsion data encoder and a rotation speed controller; the transmission shaft is arranged on the base and is in the same axial direction with the torsion output shaft, and is matched with a motion data encoder; the flywheel is coupled with the torque output shaft and the transmission shaft, and the flywheel is coupled with a magnet and a magnetic conduction sheet; a rope winding wheel arranged on the transmission shaft and wound with ropes, and a one-way clutch is arranged between the rope winding wheel and the transmission shaft; the scroll spring is arranged on the transmission shaft; and a control system for receiving the torque data of the torque data encoder and the motion data of the motion data encoder and transmitting motor rotation speed control data to the rotation speed controller.
In addition, the control system is provided with a torsion data analyzer, a motion data analyzer, a resistance demand setting unit, a torsion demand calculation unit and a target rotating speed calculation unit; the torsion data analyzer receives the torsion data of the torsion data encoder and analyzes the motor steering data and the motor rotating speed data; the motion data analyzer receives the motion data of the motion data encoder and analyzes the steering data of the transmission shaft, the rotating speed data of the transmission shaft and the pull-out length data of the rope; the torque demand calculation unit receives motor steering data and motor rotating speed data of the torque data analyzer, transmission shaft rotating speed data and rope pull-out length data of the motion data analyzer, and adds resistance demand data input by the resistance demand setting unit to calculate torque demand data; the target rotating speed calculating unit receives the transmission shaft steering data and the transmission shaft rotating speed data of the motion data analyzer, and calculates target rotating speed data by adding the torque demand data of the torque demand calculating unit; the rotation speed controller receives the motor rotation speed data of the torsion data analyzer, and adds the target rotation speed data of the target rotation speed calculation unit to control the rotation speed of the motor.
Furthermore, the magnet is a permanent magnet, and the magnetic conductive sheet is a copper sheet. The base is provided with a bottom plate, a torsion output shaft bracket, a transmission shaft bracket and a bracket reinforcing plate, and the motor is provided with a speed reducer. The transmission shaft bracket is also provided with a rope reel shield and a transmission shaft bearing seat. The rope reel shield is also provided with a spiral spring protecting cover. A bearing is arranged between the transmission shaft bearing seat and the transmission shaft, and a bearing is arranged between the rope winding wheel and the transmission shaft.
Drawings
Fig. 1 is a structural perspective view of a conventional muscle training machine.
Fig. 2 is an exploded view of the structure of the present invention.
Fig. 3 is a perspective view of the structure of the present invention.
Fig. 4 is a structural cross-sectional view of the present invention.
FIG. 5A is a cross-sectional view of 5A-5A of FIG. 4.
Fig. 5B is an enlarged view of fig. 5A at reference numeral 5B.
FIG. 6 is a block diagram illustrating a control system according to the present invention.
Fig. 7 is an exploded view of a structural portion of the present invention.
Fig. 8 is an explanatory diagram of the present invention in which the motor speed is linearly proportional to the torque.
Reference numerals illustrate: 10-muscle strength training machine; 11-iron blocks; 12-grip; 13-a cable; 20-a base; 21-a bottom plate; 22-torque output shaft carrier; 23-a drive shaft bracket; 24-bracket stiffening plates; 25-rope reel shields; 26-a wrap spring cover; 31-an electric motor; 32-speed reducer; 33-torque output shaft; 34-torsion data encoder; 35-a rotational speed controller; 40-transmission shafts; 41-a transmission shaft bearing seat; 42-bearing; 43-motion data encoder; 51. 52-flywheel; 53-magnet; 54-magnetic conductive sheets; 60-winding rope wheels; 61-rope; 62-one-way clutch; 63-bearings; 70-scroll spring; 80-a control system; 81-a torsion data parser; 82-a motion data parser; 83-a resistance demand setting unit; 84-torque demand calculation unit; 85-a target rotation speed calculation unit.
Detailed Description
First, referring to fig. 2 to 6, the present invention includes: a base 20 having a bottom plate 21, a torque output shaft bracket 22, a drive shaft bracket 23 and a bracket reinforcing plate 24; a motor 31, which is equipped with a speed reducer 32, a torque data encoder 34 and a rotational speed controller 35, wherein the speed reducer 32 is arranged on the torque output shaft bracket 22 and is provided with a torque output shaft 33, and the motor 31 is combined with the speed reducer 32; a transmission shaft 40 disposed on the transmission shaft bracket 23 through a transmission shaft bearing seat 41 and having the same axial direction as the torque output shaft 33, and equipped with a motion data encoder 43, wherein a bearing 42 is disposed between the transmission shaft bearing seat 41 and the transmission shaft 40; a pair of flywheels 51, 52 coupled to the torque output shaft 33 and the transmission shaft 40, wherein the pair of flywheels 51, 52 are coupled with a magnet 53 and a magnetic conductive sheet 54, the magnet 53 is a permanent magnet, and the magnetic conductive sheet 54 may be a copper sheet; a rope winding wheel 60 disposed on the transmission shaft 40 and wound with a rope 61, wherein a one-way clutch 62 and a bearing 63 are disposed between the rope winding wheel 60 and the transmission shaft 40, and a rope winding wheel shield 25 is disposed on the transmission shaft bracket 23 opposite to the rope winding wheel 60; a spiral spring 70 disposed on the transmission shaft 40, and having a spiral spring protecting cover 26 disposed on the rope reel protecting cover 25 opposite to the spiral spring 70; and a control system 80 for receiving the torque data from the torque data encoder 34 and the motion data from the motion data encoder 43 and sending motor speed control data to the speed controller 35.
Next, the control system 80 has a torque data analyzer 81, a motion data analyzer 82, a resistance demand setting unit 83, a torque demand calculating unit 84 and a target rotation speed calculating unit 85; the torque data analyzer 81 receives the torque data from the torque data encoder 34 and analyzes the motor steering data Dm and the motor rotational speed data ωm; the motion data analyzer 82 receives the motion data of the motion data encoder 43 and analyzes the drive shaft steering data Du, the drive shaft rotational speed data ωu, and the rope pull-out length data Lu; the torque demand calculation unit 84 receives the motor steering data Dm and motor rotational speed data ωm of the torque data analyzer 81, the transmission shaft rotational speed data ωu and the rope pull-out length data Lu of the motion data analyzer 82, and calculates the torque demand data Tr by adding the resistance demand data Fr inputted from the resistance demand setting unit 83; the target rotation speed calculating unit 85 receives the driving shaft steering data Du and the driving shaft rotation speed data ωu of the motion data analyzer 82, and adds the torque demand data Tr of the torque demand calculating unit 84 to calculate the target rotation speed data ωt; the rotational speed controller 35 receives the motor rotational speed data ωm of the torque data analyzer 81 and adds the target rotational speed data ωt of the target rotational speed calculation unit 85 to control the rotational speed of the motor 31.
Based on the above constitution, the present invention uses the motor 31 and the speed reducer 32 to generate torsion, when the rope 61 wound by the rope winding wheel 60 arranged on the transmission shaft 40 is pulled, the torsion can be transmitted to the transmission shaft 40 through the pair of flywheels 51 and 52 coupled with the magnet 53 and the magnetic conductive sheet 54, and then the motion resistance is simulated, so the motion resistance can be adjusted by adjusting the rotation speeds of the motor 31 and the speed reducer 32; as shown in fig. 7, a pair of flywheels 51 and 52 are provided on the torque output shaft 33 (motor side) and the propeller shaft 40 (sheave side), respectively, to constitute a double-rotor non-contact torque transmission structure; in addition, since the torque force generated by the motor 31 and the speed reducer 32 is linearly proportional to the rotation speed thereof as shown in fig. 8, the rotation speed of the motor 31 can be adjusted to linearly adjust the torque force, and thus the movement resistance can be linearly adjusted; therefore, the invention has the effect of linearly adjusting the movement resistance by adjusting the rotation speed of the motor.
The drawings and descriptions disclosed above are merely preferred embodiments of the invention and modifications and equivalent variations within the spirit and scope of the present invention will be apparent to those skilled in the art.
Claims (7)
1. A permanent magnetic resistance simulation device is characterized by comprising:
a base;
the motor is arranged on the base and provided with a torsion output shaft, and is provided with a torsion data encoder and a rotation speed controller;
the transmission shaft is arranged on the base and is in the same axial direction with the torsion output shaft, and is matched with a motion data encoder;
the flywheel is coupled with the torque output shaft and the transmission shaft, and the flywheel is coupled with a magnet and a magnetic conduction sheet;
a rope winding wheel arranged on the transmission shaft and wound with ropes, and a one-way clutch is arranged between the rope winding wheel and the transmission shaft;
the scroll spring is arranged on the transmission shaft; and
and the control system receives the torsion data of the torsion data encoder and the motion data of the motion data encoder and sends motor rotating speed control data to the rotating speed controller.
2. The permanent magnet resistance simulator of claim 1, wherein the control system comprises a torsion data analyzer, a motion data analyzer, a resistance demand setting unit, a torsion demand calculating unit and a target rotation speed calculating unit; the torsion data analyzer receives the torsion data of the torsion data encoder and analyzes the motor steering data and the motor rotating speed data; the motion data analyzer receives the motion data of the motion data encoder and analyzes the steering data of the transmission shaft, the rotating speed data of the transmission shaft and the pull-out length data of the rope; the torque demand calculation unit receives motor steering data and motor rotating speed data of the torque data analyzer, transmission shaft rotating speed data and rope pull-out length data of the motion data analyzer, and adds resistance demand data input by the resistance demand setting unit to calculate torque demand data; the target rotating speed calculating unit receives the transmission shaft steering data and the transmission shaft rotating speed data of the motion data analyzer, and calculates target rotating speed data by adding the torque demand data of the torque demand calculating unit; the rotation speed controller receives the motor rotation speed data of the torsion data analyzer, and adds the target rotation speed data of the target rotation speed calculation unit to control the rotation speed of the motor.
3. The permanent magnet resistance simulator of claim 1 or 2, wherein the magnet is a permanent magnet and the magnetic conductive sheet is a copper sheet.
4. The permanent magnet resistance simulator of claim 3 wherein the base has a bottom plate, a torque output shaft bracket, a drive shaft bracket and a bracket stiffener, the motor being equipped with a speed reducer.
5. The permanent magnet resistance simulator of claim 4 wherein the drive shaft bracket is further provided with a rope reel shield and a drive shaft bearing housing.
6. The permanent magnet resistance simulator of claim 5 wherein the rope reel shield is further provided with a spiral spring cover.
7. The permanent magnet resistance simulator of claim 5, wherein a bearing is provided between the bearing housing of the drive shaft and the drive shaft, and a bearing is provided between the sheave and the drive shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210306865.5A CN116832393A (en) | 2022-03-25 | 2022-03-25 | Permanent magnet type resistance simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210306865.5A CN116832393A (en) | 2022-03-25 | 2022-03-25 | Permanent magnet type resistance simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116832393A true CN116832393A (en) | 2023-10-03 |
Family
ID=88158623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210306865.5A Pending CN116832393A (en) | 2022-03-25 | 2022-03-25 | Permanent magnet type resistance simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116832393A (en) |
-
2022
- 2022-03-25 CN CN202210306865.5A patent/CN116832393A/en active Pending
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