CN111760246A

CN111760246A - Multifunctional strength training frame and training control method

Info

Publication number: CN111760246A
Application number: CN202010721013.3A
Authority: CN
Inventors: 俞纯刚
Original assignee: Qingdao Juyuan Fitness Technology Co Ltd
Current assignee: Qingdao Juyuan Fitness Technology Co Ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2020-10-13
Anticipated expiration: 2040-07-24
Also published as: CN111760246B

Abstract

The invention discloses a multifunctional strength training frame and a training control method, wherein the training frame comprises a main frame, guide rails capable of rotating along the axial direction are arranged on two sides of the main frame, an adjusting frame capable of sliding up and down along the guide rails is arranged on the guide rails, a rope moving arm is connected to the adjusting frame and can adjust the pitching angle up and down on the adjusting frame, and the tail end of the rope moving arm is connected with a bogie; the main frame is provided with a one-way hub brushless motor, and the one-way hub brushless motor is provided with a rope winch; two guide rods are longitudinally arranged on the main frame, pulley seats capable of moving up and down along the guide rods are arranged on the two guide rods, movable pulleys are arranged on the pulley seats, two ends of a rope I bypass the movable pulleys, respectively move upwards along the guide rods, and bypass a fixed pulley I at the top of the main frame to be connected with a handle; one end of the second rope is fixedly wound on the rope winch, and the other end of the second rope is fixed on the pulley seat. The training frame and the training control method disclosed by the invention have the advantages of small volume, light weight and flexible force adjustment mode, and can realize the purpose of one machine with multiple functions.

Description

Multifunctional strength training frame and training control method

Technical Field

The invention relates to fitness equipment, in particular to a multifunctional strength training frame and a training control method.

Background

Present strength training equipment need use multiple strength training equipment separately to train in order to realize the training to the different positions of health, leads to training equipment variety many, structural function singleness, occupation space big, product from great, resistance adjustment mode single, can't satisfy the demand that people can carry out multiple strength training in a product.

Meanwhile, in order to realize the adjustment of the training load, the strength training equipment basically uses a cement weight plate or a cast iron weight plate as the training load, a selection shaft is inserted into selection holes of different weight plates, and a steel cable is used for lifting the weight plate along a guide rod, so that the aim of selecting the training load is fulfilled. The strength training load adjusting mode leads to the fact that the self weight of the strength training equipment is generally too large, the occupied space is large, the resistance adjusting mode is single, and the intelligent urgent requirements of fitness groups on the fitness equipment cannot be met.

Disclosure of Invention

In order to solve the technical problems, the invention provides a multifunctional strength training frame and a training control method, which adopt electric resistance adjustment and adjust the position of a rope moving arm to realize the strength training of upper limbs and lower limbs on one device, thereby realizing the aim of one machine with multiple functions.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a multifunctional strength training frame comprises a main frame, wherein guide rails capable of rotating along the axial direction are mounted on two sides of the main frame, an adjusting frame capable of sliding up and down along the guide rails is mounted on the guide rails, a rope moving arm is connected to the adjusting frame and can adjust a pitching angle on the adjusting frame, and the tail end of the rope moving arm is connected with a steering frame; the main frame is provided with a one-way hub brushless motor, and the one-way hub brushless motor is provided with a rope winch; the main frame is longitudinally provided with two guide rods, the two guide rods are provided with pulley seats which move up and down along the guide rods, the pulley seats are provided with movable pulleys, two ends of a first rope pass around the movable pulleys, respectively go up along the guide rods, pass around a first fixed pulley at the top of the main frame, respectively pass through guide rails, adjusting frames, rope movable arms and steering frames at two sides of the main frame, and are connected with a handle; one end of the second rope is fixedly wound on the rope winch, and the other end of the second rope is fixed on the pulley seat by winding the second fixed pulley at the bottom of the main frame.

In the above scheme, the guide rail is installed on the rotating turret, spacing pinion rack is installed at the rotating turret both ends, spacing pinion rack passes through the center pin and installs on the body frame, install the solenoid valve on the body frame, the telescopic shaft of solenoid valve passes the body frame, is located between two spacing teeth of spacing pinion rack.

In the above scheme, the adjusting frame includes the slide, the slide pass through the slider at the back install in on the guide rail, install the swing handle on the slide, install the spring bolt on the swing handle, the spring bolt passes through the through-hole on the slide, imbeds in the spacing hole on the guide rail.

In a further technical scheme, the positioning disc is openly installed to the slide, the rope swing arm is articulated with the centre bore of positioning disc through the U type seat of front end, set up the locating hole on the positioning disc, install the regulation handle on the U type seat, install the goat's horn shape pressure spring on the regulation handle and draw the bolt, goat's horn shape pressure spring one end hub connection is on the U type seat, draw in the bolt passes the locating hole on goat's horn shape pressure spring, U type seat, the embedding positioning disc.

In the above scheme, the bogie comprises a shell and a pulley yoke positioned in the shell, the front end of the pulley yoke is a rotating shaft and is connected with a bearing chamber positioned in the rope moving arm through a bearing and a clamp spring, two adjusting pulleys are installed at the rear end of the pulley yoke, and the first rope passes through the rope moving arm and the bearing chamber, is led out by the two adjusting pulleys and is fixed on the handle.

In the above scheme, the unidirectional hub brushless motor is an outer rotor motor or an inner rotor motor or a side rotor motor.

In a further technical scheme, the rope winch is fixed on a rotor shell of the outer rotor motor or the side rotor motor or a main shaft of the inner rotor motor.

In the above scheme, the main frame is provided with an encoder for detecting the position of the rope and the pulling distance.

A multifunctional strength training control method adopts the multifunctional strength training frame, and comprises the following processes:

(1) the alternating current input power supply voltage is rectified and transformed by the switching power supply to output direct current power supply voltage which is used as a lower control panel power supply and a driving power supply of the unidirectional hub brushless motor; in the power-on initial state, the lower control board performs self-checking to reset the second rope to 0 position; the unidirectional hub brushless motor rotates in the positive direction, constant torque is output, and a second rope is ensured to be in a tensioned state all the time;

(2) the trainer sets training parameters, and the instruction information of the parameters is transmitted to the lower control panel in a pulse signal mode;

(3) the lower control board controls a driving circuit of the unidirectional hub brushless motor according to the instruction information so as to adjust the voltage and the current supplied to the unidirectional hub brushless motor, thereby changing the output torque of the unidirectional hub brushless motor;

(4) when a trainer pulls a handle at the tail end of the rope moving arm, the first rope pulls the pulley seat to move upwards so as to drive the rope to move upwards, and then the unidirectional hub brushless motor rotates reversely through the rope winch to offset output torque force generated by the forward rotation of the unidirectional hub brushless motor, so that the aim of generating training load is fulfilled; the lower control board detects and judges the position and the pulling distance of the second rope through the encoder, and transmits related data to the touch screen to display related motion data;

(5) after the trainer loosens the handle, the output torque force generated by the one-way hub brushless motor enables the training equipment to reset, and a group of training actions is completed;

(6) the trainer adjusts the height of the adjusting bracket on the guide rail and the pitching angle of the rope moving arm on the adjusting bracket to adapt to training requirements of different heights, and adjusts the opening angle of the rope moving arm by adjusting the direction of the guide rail in the axial direction.

Through the technical scheme, the multifunctional strength training frame and the training control method provided by the invention have the following beneficial effects:

the rope moving arm can slide up and down on the guide rail through the adjusting frame, the pitching angle can be adjusted up and down on the adjusting frame to adjust different heights, and meanwhile, the guide rail can rotate along the axial direction, so that the opening angle of the rope moving arm is adjusted to adapt to different trainees and different training requirements of the same trainer. Meanwhile, the tail end of the rope moving arm is connected with the bogie, when a trainer pulls the handle, the angle of the rope I can be freely adjusted in the bogie, the bogie is driven to rotate, the operation is more flexible, and better training experience is provided for a user.

The unidirectional hub brushless motor is used for replacing the traditional counterweight plate to adjust the resistance, so that the size and the occupied space of the fitness equipment are reduced, and the cost is low; the adjusting mode can adjust the output torque force in a continuous change mode, and is flexible.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic structural view of a multi-functional strength training frame according to an embodiment of the present invention;

FIG. 2 is a schematic illustration showing a disassembled structure of a multifunctional strength training frame according to an embodiment of the present invention;

FIG. 3 is a partially disassembled schematic view of the guide rail and the rotating frame according to the embodiment of the present invention;

fig. 4 is a schematic view of a disassembled structure of a connecting part of a limiting toothed plate and a main frame, which is disclosed by the embodiment of the invention;

FIG. 5 is a schematic diagram of a connecting portion of an adjusting bracket and a rope arm according to an embodiment of the invention;

FIG. 6 is a schematic cross-sectional view of a portion of a rope arm to bogie attachment according to an embodiment of the present invention;

FIG. 7 is a schematic illustration of a detached portion of a tether arm to bogie attachment according to an embodiment of the present invention;

fig. 8 is a schematic diagram illustrating a principle of a training control method according to an embodiment of the present invention.

In the figure, 1, a main frame; 2. a unidirectional hub brushless motor; 3. a guide rail; 4. an adjusting bracket; 5. a rope-moving arm; 6. a guide bar; 7. a pulley seat; 8. a rope winch; 9. a movable pulley; 10. a first fixed pulley; 11. a handle; 12. a first rope; 13. a second rope; 14. a rotating frame; 15. a limit toothed plate; 16. an electromagnetic valve; 17. limiting teeth; 18. a telescopic shaft; 19. a slide plate; 20. a slider; 21. swinging the handle; 22. a spring bolt; 23. a through hole; 24. a limiting hole; 25. a U-shaped seat; 26. positioning holes; 27. adjusting the handle; 28. a claw-shaped pressure spring; 29. drawing the bolt; 30. a bogie; 31. a housing; 32. a pulley yoke; 33. a rotating shaft; 34. a deep groove ball bearing; 35. a bearing chamber; 36. adjusting the pulley; 37. a second fixed pulley; 38. a central shaft; 39. positioning a plate; 40. a central bore.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The invention provides a multifunctional strength training frame, which comprises a main frame 1, wherein a unidirectional hub brushless motor 2, a guide rail 3, an adjusting frame 4, a rope moving arm 5, a guide rod 6 and a pulley seat 7 are arranged on the main frame 1, as shown in figure 1.

Install one-way wheel hub brushless motor 2 on the body frame 1, in this embodiment, one-way wheel hub brushless motor 2 can be external rotor electric machine, and electric motor rotor is the magnetic pole of shell outer lane, and the inside coil of motor is fixed stator, goes up the electricity after and makes electric motor shell rotate through cutting the magnetic line of force, and electric motor shell is also the rotor of motor and rope winch 8 through bolted connection, and then through rope winch 8 transmission power and resistance. The one-way hub brushless motor 2 can also be an inner rotor motor, a motor rotor is an inner coil, a stator of a motor fixing part is a magnetic pole, the motor rotor coil rotates by cutting magnetic lines of force after power is on, one end of a rotor main shaft is connected with a rope winch 8 in a shaft mode, and power and resistance are transmitted through the rope winch 8. The unidirectional hub brushless motor 2 can also be a side rotor structure, the side rotor structure actually belongs to one of external rotor motors, a motor rotor is arranged on the side surface of a stator, the inner side of the motor rotor is a magnetic pole, a coil inside the motor is a fixed stator, the motor rotor and a rotating shaft on the side surface are rotated by cutting magnetic lines of force after power is on, one end of a rotor spindle is axially connected with a rope winch 8, and power and resistance are transmitted through the rope winch 8. The motor resistance adjusting mode can replace the traditional counterweight plate training load adjusting mode.

As shown in fig. 2, two guide rods 6 are longitudinally installed on the main frame 1, pulley seats 7 capable of moving up and down along the guide rods 6 are installed on the two guide rods 6, movable pulleys 9 are installed on the pulley seats 7, two ends of a rope one 12 bypass the movable pulleys 9, respectively go up along the guide rods 6, bypass fixed pulleys 10 on the top of the main frame 1, respectively pass through guide rails 3, adjusting frames 4 and rope movable arms 5 on two sides of the main frame 1, and are connected with a handle 11; one end of the second rope 13 is fixedly wound on the rope winch 8, and the other end of the second rope is fixed on the pulley seat 7 by passing around the second fixed pulley 37 at the bottom of the main frame 1. And an encoder for detecting the position and the pulling distance of the second rope 13 is installed on the main frame 1.

The guide rail 3 that can follow axial pivoted is installed to body frame 1 both sides, as shown in fig. 3, and guide rail 3 installs on rotating turret 14, and limit teeth board 15 is installed at rotating turret 14 both ends. As shown in fig. 4, the limit tooth plate 15 is mounted on the main frame 1 through the central shaft 38, the main frame 1 is mounted with the electromagnetic valve 16, and the telescopic shaft 18 of the electromagnetic valve 16 passes through the main frame 1 and is located between the two limit teeth 17 of the limit tooth plate 15. When the electromagnetic valve 16 is electrified and attracted, the telescopic shaft 18 on the electromagnetic valve 16 retracts from the limiting teeth 17 on the limiting toothed plate 15, at this time, the limiting toothed plate 15 drives the rotating frame 14 to rotate freely, the direction of the rotating frame 14 can be adjusted manually, and then the opening angle between the two rope moving arms 5 is adjusted. When the electromagnetic valve 16 is powered off, the telescopic shaft 18 on the electromagnetic valve 16 extends out of the limit teeth 17 on the limit toothed plate 15, and at the moment, the limit toothed plate 15 drives the rotating frame 14 to rotate, so that the locking purpose is achieved.

The guide rail 3 is provided with an adjusting frame 4 capable of sliding up and down along the guide rail 3, as shown in fig. 5, the adjusting frame 4 comprises a sliding plate 19, the sliding plate 19 is arranged on the guide rail 3 through a sliding block 20 on the back surface, and the sliding up and down of the adjusting frame 4 on the guide rail 3 can be realized through the sliding block 20. The sliding plate 19 is provided with a swinging handle 21, the swinging handle 21 is provided with a spring bolt 22, and the spring bolt 22 passes through a through hole 23 on the sliding plate 19 and is embedded into a limiting hole 24 on the guide rail 3. The cylindrical end of the swing handle 21 is fixed with the adjusting frame 4 through a bolt, and the U-shaped groove end is connected with the through hole end of the spring bolt 22 through a bolt; when the swing handle 21 is pulled, the spring on the spring bolt 22 is driven to compress and further to be separated from the limiting hole 24 on the guide rail 3, and at the moment, the height of the adjusting frame 4 can be adjusted by adjusting the adjusting frame 4 to slide up and down along the guide rail 3. When the swing handle 21 is released, the spring on the spring bolt 22 springs open to push the spring bolt 22 into the limiting hole 24 on the guide rail 3, and at the moment, the lockable adjusting frame 4 cannot slide up and down along the guide rail 3.

The front surface of the sliding plate 19 is provided with a positioning disc 39, the rope moving arm 5 is hinged with a central hole 40 of the positioning disc 39 through a U-shaped seat 25 at the front end, the positioning disc 39 is provided with a positioning hole 26, an adjusting handle 27 is arranged on the U-shaped seat 25, a claw-shaped pressure spring 28 and a drawing bolt 29 are arranged on the adjusting handle 27, and the drawing bolt 29 penetrates through the claw-shaped pressure spring 28, the U-shaped seat 25 and is embedded into the positioning hole 26 on the positioning disc 39. The drawing bolt 29 and the claw-shaped pressure spring 28 are fixed on the adjusting handle 27 through bolts, and one end of the claw-shaped pressure spring 28 is coupled on the U-shaped seat 25. When the adjusting handle 27 is shifted, the claw-shaped compression spring 28 is compressed by the lever force, the pulling bolt 29 is pulled out from the positioning hole 26 on the positioning disc 39 of the adjusting frame 4, and the rope-moving arm 5 can perform pitch angle adjustment. When the adjusting handle 27 is released, the claw-shaped pressure spring 28 in the adjusting handle 27 springs up to push the drawing bolt 29 into the positioning hole 26 in the positioning disc 39 of the adjusting frame 4, and the angle adjusting function of the rope arm 5 is locked.

The tail end of the rope moving arm 5 is connected with a bogie 30, as shown in fig. 6 and 7, the bogie 30 comprises a shell 31 and a pulley frame 32 positioned in the shell 31, the front end of the pulley frame 32 is a rotating shaft 33 and is connected with a bearing chamber 35 positioned in the rope moving arm 5 through two deep groove ball bearings 34 and snap springs, two adjusting pulleys 36 are installed at the rear end of the pulley frame 32, and a rope I12 penetrates through the rope moving arm 5 and the bearing chamber 35, is led out from the two adjusting pulleys 36 and is fixed on the handle 11. When the handle 11 is pulled, the bogie 30 can be freely rotated under stress in the process of freely adjusting the direction of the first rope 12, and the first rope 12 can be prevented from touching the rope moving arm 5 through the guiding action of the two adjusting pulleys 36, so that the first rope 12 is more flexible in the pulling process.

A multifunctional strength training control method, which adopts the multifunctional strength training frame, as shown in fig. 8, includes the following steps:

(1) the alternating current input power voltage is rectified and transformed by the switching power supply to output direct current power voltage which is used as a lower control panel power supply and a driving power supply of the unidirectional hub brushless motor 2; in the power-on initial state, the lower control board performs self-checking to reset the second rope 13 to 0 position; the unidirectional hub brushless motor 2 rotates forwards to constantly output a certain torque force, so that the second rope 13 is always in a tensioned state;

(3) the lower control board controls a driving circuit of the unidirectional hub brushless motor 2 according to the instruction information to adjust the voltage and current supplied to the unidirectional hub brushless motor 2, so that the output torque of the unidirectional hub brushless motor 2 is changed;

(4) when a trainer pulls the handle of the rope moving arm 5, the rope I12 pulls the pulley 9 seat 7 to move upwards along the guide rod 6, so that the rope II 13 is driven to move upwards, the rope winch 8 is driven to rotate, the unidirectional hub brushless motor 2 is driven to rotate reversely, output torque generated by forward rotation of the unidirectional hub brushless motor 2 is offset, and the purpose of generating training load is achieved; the lower control board detects and judges the position and the pulling distance of the second rope 13 through the encoder, and transmits related data to the touch screen to display related motion data;

(5) after the trainer loosens the handle 11, the output torque force generated by the unidirectional hub brushless motor 2 enables the rope winch 8 to rotate in the positive direction, the second rope 13 is wound on the rope winch 8, the handle 11 is reset, and a group of training actions are completed;

(6) the trainer adjusts the height of the adjusting frame 4 on the guide rail 3 and the vertical pitching angle of the rope moving arm 5 on the adjusting frame 4 to adapt to the training requirements of different heights, and adjusts the opening angle of the rope moving arm 5 by adjusting the direction of the guide rail 3 in the axial direction.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multifunctional strength training frame comprises a main frame and is characterized in that guide rails capable of rotating along the axial direction are mounted on two sides of the main frame, an adjusting frame capable of sliding up and down along the guide rails is mounted on the guide rails, a rope moving arm is connected to the adjusting frame and can adjust the pitching angle on the adjusting frame, and the tail end of the rope moving arm is connected with a steering frame; the main frame is provided with a one-way hub brushless motor, and the one-way hub brushless motor is provided with a rope winch; the main frame is longitudinally provided with two guide rods, the two guide rods are provided with pulley seats capable of moving up and down along the guide rods, the pulley seats are provided with movable pulleys, two ends of a first rope pass around the movable pulleys, respectively go up along the guide rods, pass around a first fixed pulley at the top of the main frame, respectively pass through guide rails, adjusting frames, rope movable arms and steering frames at two sides of the main frame, and are connected with a handle; one end of the second rope is fixedly wound on the rope winch, and the other end of the second rope is fixed on the pulley seat by winding the second fixed pulley at the bottom of the main frame.

2. The multifunctional strength training frame of claim 1, wherein the guide rail is mounted on a rotating frame, two ends of the rotating frame are provided with limiting toothed plates, the limiting toothed plates are mounted on a main frame through a central shaft, the main frame is provided with an electromagnetic valve, and a telescopic shaft of the electromagnetic valve penetrates through the main frame and is located between the two limiting teeth of the limiting toothed plates.

3. The multifunctional strength training stand of claim 1, wherein the adjusting frame comprises a sliding plate, the sliding plate is mounted on the guide rail through a sliding block on the back surface, a swing handle is mounted on the sliding plate, a spring bolt is mounted on the swing handle, and the spring bolt penetrates through a through hole in the sliding plate and is embedded in a limiting hole in the guide rail.

4. The multifunctional strength training frame of claim 3, wherein a positioning disc is arranged on the front face of the sliding plate, the rope moving arm is hinged to a center hole of the positioning disc through a U-shaped seat at the front end of the rope moving arm, a positioning hole is formed in the positioning disc, an adjusting handle is arranged on the U-shaped seat, a claw-shaped pressure spring and a drawing bolt are arranged on the adjusting handle, one end of the claw-shaped pressure spring is connected to the U-shaped seat in a shaft mode, and the drawing bolt penetrates through the claw-shaped pressure spring, the U-shaped seat and is embedded into the positioning hole in the positioning disc.

5. The multifunctional strength training frame of claim 1, wherein the bogie comprises a housing and a pulley yoke positioned in the housing, the front end of the pulley yoke is a rotating shaft and is connected with a bearing chamber positioned in the rope arm through a bearing and a snap spring, the rear end of the pulley yoke is provided with two adjusting pulleys, and the first rope passes through the rope arm and the bearing chamber, is led out by the two adjusting pulleys and is fixed on the handle.

6. The multi-functional strength training stand of claim 1 wherein the unidirectional hub brushless motor is an external rotor motor or an internal rotor motor or a side rotor motor.

7. The multifunctional strength training stand of claim 6, wherein the cable winch is fixed to the rotor housing of the outer rotor motor or the side rotor motor, or to the main shaft of the inner rotor motor.

8. A multi-functional strength training control method using the multi-functional strength training frame according to claim 1, comprising the steps of: