CN214130072U - Hand-held synchronous front-back push-pull rotating blade body builder - Google Patents

Abstract

The utility model provides a hold synchronous front and back push-and-pull commentaries on classics leaf fitness equipment, relates to sports fitness equipment technical field, includes: the device comprises a blade rotating device, a guide rod, a push-pull mechanism and a bracket; the vane rotating device comprises a sliding block, a deep groove ball bearing and a plurality of vanes which are uniformly distributed around the deep groove ball bearing; the guide rod is vertically arranged, and the blade rotating device is movably connected with the guide rod through a sliding block; the push-pull mechanism comprises a push-pull rod and a connecting rod, and the push-pull rod is movably arranged at the lower end of the guide rod through a rotating shaft; the connecting rod is hinged with the sliding block and the push-pull rod; the lower end of the push-pull rod is provided with a handle; the upper end of the bracket is fixedly connected with the lower end of the guide rod; the left hand and the right hand of an operator synchronously push the handle forwards and pull the handle backwards, the rotary vane device is drawn to reciprocate up and down, and the rotary vane device rotates. The exercise device has good effects on the strength and the movement speed of the arms and the pectoral muscles. Novel structure, the function is various. Can be used for sports and entertainment, body building, power generation and the like, has strong entertainment and experience, and has profound influence on improving the physical quality of the whole people.

Description

Hand-held synchronous front-back push-pull rotating blade body builder

Technical Field

A hand-held synchronous front-back push-pull rotating vane fitness device relates to the technical field of sports entertainment fitness equipment, in particular to a front-back push-pull rotating vane fitness device.

Background

The traditional physical fitness equipment can exercise the body of people, strengthen the physique, enrich the life of people and play a great role in physical and mental health of people. However, most of the traditional physical fitness equipment has stiff structure, for example, arm strength training equipment uses a heavy object or a spring as a force application part, the experience feeling is not strong during the exercise process, the joyful feeling is lacked, and most of the traditional physical fitness equipment can be exercised in the pain and can be insisted with the exercise only with strong willpower. Most fitness equipment belongs to professional equipment, has a relatively complex structure, is generally used in indoor environments such as a gymnasium and a user home, and has high maintenance and repair cost. There are also some simple physical fitness equipments, which are found in leisure places such as parks, greenbelts, and residential quarters, and the structure is relatively simple, but the function is very weak, and the utilization rate is low because there is no experience. There are currently fewer machines that combine the functions of physical entertainment and fitness.

In view of the above, it is apparent that there is a need for improvement and development in the prior art.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and supplement abundant sports fitness equipment 'family', provides a fitness equipment which integrates the functions of simple structure, convenient operation, interest, entertainment, sports, fitness and the like, and is named as a hand-held synchronous front-back push-pull rotating-vane fitness equipment.

In order to realize the purpose, the utility model discloses a technical scheme is:

a hand-held synchronous front-back push-pull rotating blade body builder comprises: the device comprises a blade rotating device, a guide rod, a push-pull mechanism and a bracket;

the vane rotating device comprises a sliding block, a deep groove ball bearing and a plurality of vanes which are uniformly distributed around the deep groove ball bearing, wherein the root part of each vane is connected with the outer ring of the deep groove ball bearing, the deep groove ball bearing is sleeved on the periphery of the sliding block, the sliding block is connected with the inner ring of the deep groove ball bearing, the vanes can flexibly rotate around the sliding block due to the existence of the deep groove ball bearing, and the rotating plane of each vane is in a horizontal position;

all the blades have the same structure, the cross sections of the blades are airfoil-shaped, and at least one of the upper surfaces of the blades and the lower surfaces of the blades is convex; the front edges of all the blades are arranged towards the same direction; the front edges of the blades are rounded, and the rear edges of the blades are sharp; the included angle between the chord line of the blade and the rotating plane of the blade is the installation angle of the blade; when the front edge of the blade is higher than the rear edge of the blade, the installation angle of the blade is defined as a positive value; when the leading edge of the blade is lower than the trailing edge of the blade, the installation angle of the blade is defined as a negative value; the installation angle of the blade is between-2 degrees and 4 degrees; the distance between the maximum thickness position of the airfoil of the blade and the leading edge of the blade is 25 to 40 percent of the chord length of the blade;

the guide rod is vertically arranged, the sliding block is matched with the guide rod, the leaf rotating device is movably connected with the guide rod through the sliding block, and the leaf rotating device can flexibly move up and down along the guide rod;

the push-pull mechanism comprises a push-pull rod and a connecting rod, and the push-pull rod is movably arranged at the lower end of the guide rod through a rotating shaft; the upper end of the connecting rod is movably connected with the sliding block through a hinge, and the lower end of the connecting rod is movably connected with the upper end of the push-pull rod through a hinge; the lower end of the push-pull rod is provided with a handle; the handle comprises a left handle and a right handle;

the upper end of the bracket is fixedly connected with the lower end of the guide rod, and the lower end of the bracket is supported on the ground or the ground through the arranged seat;

an operator stands or sits on the back of the support, holds the left handle by the left hand and the right handle by the right hand, and synchronously pushes the handles forwards by the left hand and the right hand so that the push-pull rod rotates a certain angle around the axis of the rotating shaft to drive the connecting rod to push the rotating vane device upwards; then, the handle is pulled backwards synchronously by the left hand and the right hand, so that the push-pull rod rotates for a certain angle around the axis of the rotating shaft in the opposite direction, the connecting rod is driven to pull the rotating vane device downwards, the push-pull rod is pushed and pulled in a reciprocating manner, the rotating vane device is pulled to reciprocate up and down, and the vanes rotate around the guide rod due to the special structure of the rotating vane device. After the rotating vane device rotates, the arm overcomes the gravity of the rotating vane device to do work and overcomes the resistance of air to the rotating surface of the vane to do work, so that the forward pushing and the backward pulling are both laborious. The faster the frequency of the push-pull, the faster the rotational speed of the blade. The exercise device has good effects on the strength and the movement speed of the arms and the pectoral muscles.

Further, the push-pull rods comprise a left push-pull rod and a right push-pull rod; the connecting rods comprise a left connecting rod and a right connecting rod. The left push-pull rod and the right push-pull rod are movably arranged at the lower end of the guide rod by a common rotating shaft; the lower end of the left connecting rod is movably connected with the upper end of the left push-pull rod through a hinge, and the upper end of the left connecting rod is movably connected with the left side of the lower end of the sliding block through a hinge; the lower end of the right connecting rod is movably connected with the upper end of the right push-pull rod through a hinge, and the upper end of the right connecting rod is movably connected with the right side of the lower end of the sliding block through a hinge; the left handle is arranged at the lower end of the left push-pull rod, and the right handle is arranged at the lower end of the right push-pull rod.

Furthermore, a rotating speed measuring device is installed on the rotating blade device, a display screen is arranged on the bracket, the rotating speed measuring device is in telecommunication connection with the display screen, and the display screen can display the instantaneous rotating speed of the rotating blade device and the maximum rotating speed of the single movement of the rotating blade device.

Furthermore, a frequency and amplitude sensor for up-and-down movement is installed on the rotating blade device, the sensor is in telecommunication connection with a display screen, and a work and power calculating device is arranged in the display screen and can calculate the work, the average power and the instantaneous power of the operator in each movement according to the weight of the rotating blade device, the frequency and the amplitude of the up-and-down movement of the rotating blade device, the rotating speed and the movement duration of the blades and other parameters; and the work and power parameters are displayed by a display screen.

Furthermore, a backrest is arranged behind the seat; the front lower part of the seat is also provided with a pedal plate which is convenient for stepping.

Further, the display screen can also display the duration of a single movement of the operator.

Furthermore, a heart rate and blood pressure detection device is installed at the pedal and is in telecommunication connection with a display screen, and heart rate and blood pressure parameters of an operator are displayed through the display screen.

Furthermore, the wing profiles of all the blades adopt a biconvex type, namely the upper surfaces of the blades protrude upwards, and the lower surfaces of the blades protrude downwards; the aspect ratio of a single blade is more than 3 and less than 10; the single leaf has the length of 0.5-3 m; the number of blades is between 2 and 6. The minimum radius of the arc of the leading edge of the blade is much greater than the thickness of the thinnest part of the trailing edge of the blade.

Preferably, the airfoil profile of all the blades adopts a symmetrical biconvex airfoil profile, such as an NACA0016 or NACA0012 airfoil profile; the setting angles of all the blades are the same and are between 0 degrees and 1 degrees.

Furthermore, a battery is arranged below the seat and supplies power for electric equipment on the rotating-vane body builder.

Furthermore, an intelligent electronic lock is arranged at the joint of the push-pull rod and the guide rod, and the push-pull rod can be locked by the intelligent electronic lock, so that the intelligent electronic lock can be conveniently used as a charging sharing device.

Further, a solar power generation film is disposed on the upper surface of all the blades, and generated electricity is transmitted to a battery for charging through a conductive ring and an electric wire installed on the guide bar.

Furthermore, the sliding block adopts a linear bearing, and the guide rod adopts an optical axis matched with the linear bearing.

Furthermore, a micro generator is installed at the deep groove ball bearing, and electricity generated by the micro generator is processed and then charged into a battery when the rotary vane machine rotates.

Furthermore, the battery is also provided with a USB interface which can charge the mobile phone and the flashlight.

The utility model discloses hold synchronous front and back push-and-pull commentaries on classics leaf fitness equipment's basic operating principle is: an operator pushes and pulls the handle, so that the blade moves up and down, the upper surface of the blade and the lower surface of the blade face the wind alternately, at least one of the upper surface of the blade and the lower surface of the blade is convex, the maximum thickness position of the wing section of the blade is close to the front edge of the blade and far away from the rear edge of the blade, the head-on incoming flow is divided into two air flows with different sizes when acting on the convex side of the wing section, the small air flow moves towards the front edge of the blade, and the large air flow moves towards the rear edge of the blade. Within a certain rotating speed range, the pushing and pulling amplitude is fixed, and the faster the pushing and pulling frequency is, the faster the blade rotates; the push-pull frequency is fixed, and the larger the push-pull amplitude is, the faster the blade rotates. The resistance that the blade moved ahead can increase along with the increase of rotational speed, but when the blade rotated the back, along with the quick increase of the rotatory speed of blade, the reynolds number of blade can increase, and then the acceleration rate of the resistance that the blade moved ahead can slow down, if operator's strength is enough, the blade can rotate at a high speed. Therefore, the operator has pleasant experience and achievement feeling, feels comfortable, can play the roles of entertainment and fitness at the same time, enables the operator to exercise in pleasure, and is beneficial to the physical and mental health of the operator. If the frequency or amplitude of the push-pull decreases, the rotational speed of the blades slows down. The force changes in the whole pushing and pulling process, and is not stiff like the traditional fitness equipment. Of course, the movement process of the blades is a very complicated process, and the multiple movements of forward movement, upward movement and downward movement are combined together and are influenced by the local environment such as wind speed and wind direction. Here a simple analysis is made using classical fluid mechanics. The utility model discloses this scheme's utility model people have confirmed this motion process through a plurality of prototype in kind: the rapid pushing and pulling of the handle causes the blade to rotate rapidly in the direction of the leading edge and the operator feels pleasure.

The utility model has the advantages that: novel structure, the function is various. The operator pushes away the back and draws the handle to make the blade up-and-down motion before, make the blade rotate under the effect of relative air current, be one kind and convert reciprocating motion into circumference pivoted apparatus, the preceding strength that pulls back both way motion all needs to use the arm, can play the exercise effect of both way motion, and the strength size can be adjusted dynamically, can give sports entertainment, body-building, electricity generation etc., the function that also has the physical testing, it is recreational strong, experience is felt strong, compare with traditional fitness equipment, more can attract masses to participate in the body-building and take exercise, will produce the influence of profound to improving the physical quality of the whole people.

Drawings

Fig. 1 is a schematic right-view structural diagram of an embodiment of the present invention;

fig. 2 is a schematic right view of the push-pull rod of the present invention;

fig. 3 is a rear view schematically illustrating the middle push-pull mechanism of the present invention with only one push-pull rod;

fig. 4 is a rear view schematically showing the middle push-pull mechanism of the present invention with left and right push-pull rods;

FIG. 5 is a schematic view of an airfoil of a blade according to the present invention;

FIG. 6 is a schematic view of the air flow analysis of the present invention when the blades go upward;

fig. 7 is a schematic diagram of the leading and trailing edge parameter indication of a blade in accordance with the present invention.

In the figure:

1-a vane rotor, 11-a deep groove ball bearing, 12-a vane, 121-a front edge of the vane, 122-a rear edge of the vane, 123-an upper surface of the vane, 124-a lower surface of the vane, and 13-a sliding block; 2-a guide rod; 3-a push-pull rod, 301-an upper end of the push-pull rod, 302-a lower end of the push-pull rod, 31-a left push-pull rod, 311-an upper end of the left push-pull rod, 312-a lower end of the left push-pull rod, 32-a right push-pull rod, 321-an upper end of the right push-pull rod, 322-a lower end of the right push-pull rod, 303-a handle, 313-a left handle, 323-a right handle, and 33-a rotating shaft; 4-connecting rod, 41-left connecting rod, 42-right connecting rod; 5-support, 51-seat, 52-backrest, 53-footrest; 6-a display screen; 7-indication of the direction of movement of the push-pull rod; 8-the up-and-down movement direction of the leaf rotating device is indicated; 9-a hinge;

the method comprises the following steps of A-a chord line of the blade, B-a rotating plane of the blade, C-an installation angle of the blade, D-an upward direction indication of the blade, E-a streamline indication of an upward airflow when the blade moves upward, G-a forward direction indication of the blade, R-a minimum radius indication of a front edge arc of the blade, and h-a thickness indication of a thinnest part of a rear edge of the blade.

Detailed Description

The technical solution of the present invention will be specifically described below with reference to the accompanying drawings and examples.

A hand-held synchronous front-back push-pull rotating blade body builder comprises: the device comprises a leaf rotating device 1, a guide rod 2, a push-pull mechanism and a bracket 5;

the vane rotating device 1 comprises a sliding block 13, a deep groove ball bearing 11 and a plurality of vanes 12 uniformly distributed around the deep groove ball bearing 11, wherein the root of each vane 12 is connected with the outer ring of the deep groove ball bearing 11, the deep groove ball bearing 11 is sleeved at the periphery of the sliding block 13, the sliding block 13 is connected with the inner ring of the deep groove ball bearing 11, the vanes 12 can flexibly rotate around the sliding block 13 due to the existence of the deep groove ball bearing 11, and the rotating plane of each vane 12 is in a horizontal position;

all the blades 12 have the same structure, the cross section of each blade 12 is airfoil-shaped, and at least one of the upper surface 123 of each blade and the lower surface 124 of each blade is convex; the leading edges 121 of all the blades are mounted in the same direction; the leading edge 121 of the blade is rounded and the trailing edge 122 of the blade is sharp; the included angle between the chord line A of the blade and the rotating plane B of the blade is the mounting angle C of the blade; when the leading edge 121 of the blade is higher than the trailing edge 122 of the blade, the installation angle C of the blade is defined as a positive value; the stagger angle C of the blade is defined as negative when the leading edge 121 of the blade is lower than the trailing edge 122 of the blade; the installation angle C of the blade is between-2 degrees and 4 degrees; the maximum thickness position of the airfoil of the blade 12 is at a distance of 25% to 40% of the chord length of the blade from the leading edge 121 of the blade;

the guide rod 2 is vertically arranged, the sliding block 13 is matched with the guide rod 2, the vane rotating device 1 is movably connected with the guide rod 2 through the sliding block 13, and the vane rotating device 1 can flexibly move up and down along the guide rod 2;

the push-pull mechanism comprises a push-pull rod 3 and a connecting rod 4, and the push-pull rod 3 is movably arranged at the lower end of the guide rod 2 through a rotating shaft 33; the upper end of the connecting rod 4 is movably connected with the sliding block 13 through a hinge 9, and the lower end of the connecting rod 4 is movably connected with the upper end 301 of the push-pull rod through the hinge 9; the lower end 302 of the push-pull rod is provided with a handle 303; handle 303 includes left handle 313 and right handle 323;

the upper end of the bracket 5 is fixedly connected with the lower end of the guide rod 2, and the lower end of the bracket 5 is supported on the ground or supported on the ground through the arranged seat 51;

an operator stands or sits back on the support 5, holds the left handle 313 with the left hand, holds the right handle 323 with the right hand, synchronously pushes the handle 303 forwards with the left hand and the right hand, so that the push-pull rod 3 rotates a certain angle around the axis of the rotating shaft 33, and pushes the rotary vane device 1 upwards through the connecting rod 4; next, the handle 303 is pulled backward synchronously by the left hand and the right hand, so that the push-pull rod 3 rotates a certain angle in the opposite direction around the axis of the rotating shaft 33, the rotary vane device 1 is pulled downward through the connecting rod 4, the push-pull rod 3 is pulled in a reciprocating manner, the rotary vane device 1 is pulled in a reciprocating manner up and down, and the vane 12 rotates around the guide rod 2 due to the special structure of the rotary vane device 1. After the rotating vane device 1 rotates, the arm needs to overcome the resistance of air to the rotating surface of the vane 12 to do work besides overcoming the gravity of the rotating vane device 1, which results in that both pushing forward and pulling backward are laborious. The faster the frequency of the push-pull, the faster the rotational speed of the blade 12. The exercise device has good effects on the strength and the movement speed of the arms and the pectoral muscles.

The push-pull rod 3 includes a left push-pull rod 31 and a right push-pull rod 32; the link 4 includes a left link 41 and a right link 42. The left push-pull rod 31 and the right push-pull rod 32 are movably arranged at the lower end of the guide rod 2 by a common rotating shaft 33; the lower end of the left connecting rod 41 is movably connected with the upper end 311 of the left push-pull rod through a hinge 9, and the upper end of the left connecting rod 41 is movably connected with the left side of the lower end of the sliding block 13 through the hinge 9; the lower end of the right connecting rod 42 is movably connected with the upper end 321 of the right push-pull rod through a hinge 9, and the upper end of the right connecting rod 42 is movably connected with the right side of the lower end of the sliding block 13 through the hinge 9; a left handle 313 is mounted to the lower end 312 of the left push-pull rod and a right handle 323 is mounted to the lower end 322 of the right push-pull rod.

The rotating speed measuring device is installed on the rotating vane device 1, the display screen 6 is arranged on the support 5, the rotating speed measuring device is in telecommunication connection with the display screen 6, and the display screen 6 can display the instantaneous rotating speed of the rotating vane device 1 and the maximum rotating speed of the single movement of the rotating vane device 1.

The rotating vane device 1 is provided with a frequency and amplitude sensor for up-and-down movement, the sensor is in telecommunication connection with a display screen 6, and a work and power calculating device is arranged in the display screen 6 and can calculate the work, the average power and the instantaneous power of an operator in each movement according to the weight of the rotating vane device 1, the frequency and the amplitude of the up-and-down movement of the rotating vane device 1, the rotating speed and the movement duration of the vanes 12 and other parameters; and these work and power parameters are displayed by the display screen 6.

A backrest 52 is also provided behind the seat 51; a pedal 53 is arranged at the front lower part of the seat 51, so that the user can conveniently step on the pedal.

The display 6 is also capable of displaying the duration of a single movement of the operator.

The footboard 53 has installed heart rate and blood pressure detection device, has telecommunications connection between heart rate and blood pressure detection device and the display screen 6, shows operator's heart rate and blood pressure parameter through the display screen 6.

The wing profiles of all the blades 12 adopt a biconvex type, namely, the upper surfaces 123 of the blades are protruded upwards, and the lower surfaces 124 of the blades are protruded downwards; the aspect ratio of a single blade 12 is greater than 3 and less than 10; the single blade 12 has an aspect length of between 0.5 and 3 meters; the number of blades 12 is between 2 and 6. The minimum radius R of the leading edge arc of the blade is much larger than the thickness h of the blade at its trailing edge, which is thinnest.

Preferably, the airfoils of all the blades 12 adopt a symmetrical biconvex airfoil, such as an NACA0016 airfoil or an NACA0012 airfoil; the setting angles of all the blades 12 are the same and are between 0 ° and 1 °.

A battery is arranged below the seat 51 and supplies power to the electric equipment on the rotary vane body builder.

An intelligent electronic lock is arranged at the joint of the push-pull rod 3 and the guide rod 2, and the push-pull rod 3 can be locked by the intelligent electronic lock, so that the intelligent electronic lock can be conveniently used as a charging sharing device.

The upper surface 123 of all the blades is provided with a solar power generation film, and the generated electricity is transmitted to a battery for charging through a conductive ring and an electric wire installed on the guide bar 2.

The slide block 13 adopts a linear bearing, and the guide rod 2 adopts an optical axis matched with the linear bearing.

A micro generator is arranged at the deep groove ball bearing 11, and electricity generated by the micro generator is charged into a battery after being processed when the rotary vane machine 1 rotates.

The battery is also provided with a USB interface which can charge the mobile phone and the flashlight.

The basic working principle of the hand-held body builder capable of synchronously pushing, pulling and pushing the rotating blade forwards and backwards is as follows: an operator pushes and pulls the handle 303 to move the blade 12 up and down, the upper surface 123 of the blade and the lower surface 124 of the blade are alternately windward, at least one of the upper surface 123 of the blade and the lower surface 124 of the blade is convex, the maximum thickness position of the airfoil of the blade 12 is close to the front edge 121 of the blade and far away from the rear edge 122 of the blade, the oncoming flow is divided into two air flows with different sizes when acting on the convex surface of the airfoil, the small air flow moves towards the front edge 121 of the blade, and the large air flow moves towards the rear edge 122 of the blade, so that a momentum difference is formed between the front edge 121 of the blade and the rear edge 122 of the blade, the air flow pushes the blade 12 to move towards the front edge 121 of the blade, and then the blades 12 rotate around the guide rod 2. Within a certain rotating speed range, the pushing and pulling amplitude is fixed, and the faster the pushing and pulling frequency is, the faster the blade 12 rotates; the greater the magnitude of the push-pull, the faster the blade 12 will rotate, at a given frequency of push-pull. The resistance to forward movement of the blades 12 increases with increasing rotational speed, but when the blades 12 are rotated, the reynolds number of the blades 12 increases with a rapid increase in the rotational speed of the blades 12, so that the resistance to forward movement of the blades 12 increases slowly, and if the operator's strength is sufficient, the blades 12 rotate at a high speed. Therefore, the operator has pleasant experience and achievement feeling, feels comfortable, can play the roles of entertainment and fitness at the same time, enables the operator to exercise in pleasure, and is beneficial to the physical and mental health of the operator. If the frequency of the push-pull decreases or the amplitude decreases, the rotational speed of the blades 12 will slow down. The force changes in the whole pushing and pulling process, and is not stiff like the traditional fitness equipment. Of course, the movement process of the blades 12 is a complicated process, and the multiple movements of forward movement, upward movement and downward movement are combined together and also influenced by the local environment such as wind speed and wind direction. Here a simple analysis is made using classical fluid mechanics. The utility model discloses this scheme's utility model people have confirmed this motion process through a plurality of prototype in kind: the quick push-pull of the handle 303 quickly rotates the blade 12 in the direction of the leading edge and the operator feels pleasure.

The utility model has the advantages that: novel structure, the function is various, and the application scene is wide. An operator pushes the handle 303 forwards and pulls the blade 12 backwards to move the blade 12 upwards and downwards, the blade 12 rotates under the action of relative air flow, reciprocating motion is converted into circular rotation, the two-way motion of pushing forwards and pulling backwards requires the strength of arms, the exercise effect of the two-way motion can be achieved, the strength can be dynamically adjusted, the entertainment is strong, the experience is strong, and the interestingness is rich; is an aerobic exercise, can promote the blood circulation of an operator to be accelerated, can improve the resistance and enhance the immunity, and can better prevent diseases, particularly cardiovascular and cerebrovascular diseases, by frequent use. Can be used for sports and entertainment, body building, power generation, teaching and the like, and also has the function of physical fitness test. Can be used in gymnasiums, families and schools as a device for exercising body; the device can also be used as leisure and entertainment equipment in public places such as parks, amusement places, schools, particularly university campuses, bus stations, airport waiting halls, hotel lobbies, bank lobbies, automobile maintenance shops rest areas and the like; can also be used as rehabilitation equipment in hospitals; can also be used as a relaxing device which is arranged near an office area to relieve the working pressure when office staff take a rest. Compared with the traditional fitness equipment, the fitness equipment can attract the masses to participate in fitness exercise, and has profound influence on improving the physical quality of the whole people. Can enrich the life content of people and has positive effect for improving the life quality of people. Can be added with bricks and tiles to satisfy the demand of people for good life.

Claims (10)

1. A hand-held synchronous front-back push-pull rotating vane body builder is characterized in that: the method comprises the following steps: the device comprises a leaf rotating device (1), a guide rod (2), a push-pull mechanism and a bracket (5);

the vane rotating device (1) comprises a sliding block (13), a deep groove ball bearing (11) and a plurality of vanes (12) which are uniformly distributed around the deep groove ball bearing (11), the root parts of the vanes (12) are connected with the outer ring of the deep groove ball bearing (11), the deep groove ball bearing (11) is sleeved on the periphery of the sliding block (13), and the sliding block (13) is connected with the inner ring of the deep groove ball bearing (11);

all the blades (12) have the same structure, the cross section of each blade (12) is airfoil-shaped, and at least one of the upper surface (123) of each blade and the lower surface (124) of each blade is convex; the leading edges (121) of all the blades are installed towards the same direction; the front edges (121) of the blades are rounded, and the rear edges (122) of the blades are sharp; the mounting angle (C) of the blade is between-2 DEG and 4 DEG; the distance between the maximum thickness position of the airfoil of the blade (12) and the front edge (121) of the blade is 25-40% of the chord length of the blade;

the guide rod (2) is vertically arranged, the sliding block (13) is matched with the guide rod (2), the leaf rotating device (1) is movably connected with the guide rod (2) through the sliding block (13), and the leaf rotating device (1) can flexibly move up and down along the guide rod (2);

the push-pull mechanism comprises a push-pull rod (3) and a connecting rod (4), and the push-pull rod (3) is movably arranged at the lower end of the guide rod (2) through a rotating shaft (33); the upper end of the connecting rod (4) is movably connected with the sliding block (13) through a hinge (9), and the lower end of the connecting rod (4) is movably connected with the upper end (301) of the push-pull rod through the hinge (9); a handle (303) is arranged at the lower end (302) of the push-pull rod; the handle (303) comprises a left handle (313) and a right handle (323);

the upper end of the bracket (5) is fixedly connected with the lower end of the guide rod (2), and the lower end of the bracket (5) is supported on the ground or supported on the ground through the arranged seat (51).

2. The hand-held synchronous front-back push-pull rotating vane body builder as claimed in claim 1, wherein: the push-pull rod (3) comprises a left push-pull rod (31) and a right push-pull rod (32); the link (4) includes a left link (41) and a right link (42).

3. A hand-held synchronous front-back push-pull rotary vane body builder as claimed in claim 1 or 2, wherein: the rotating speed measuring device is installed on the rotating vane device (1), the display screen (6) is arranged on the support (5), and the rotating speed measuring device is in telecommunication connection with the display screen (6).

4. The hand-held synchronous front-back push-pull rotary vane body builder as claimed in claim 3, wherein: the leaf rotating device (1) is provided with a frequency and amplitude sensor which moves up and down, the sensor is in telecommunication connection with a display screen (6), and a power and power calculating device is arranged in the display screen (6).

5. A hand-held synchronous front-back push-pull rotary vane body builder as claimed in claim 1 or 2, wherein: a backrest (52) is arranged behind the seat (51); a foot pedal (53) is arranged at the front lower part of the seat (51).

6. The hand-held synchronous front-back push-pull rotary vane body builder as claimed in claim 3, wherein: the display screen (6) can also display the time length of single movement of the operator.

7. The hand-held synchronous front-back push-pull rotary vane body builder as claimed in claim 5, wherein: a heart rate and blood pressure detection device is arranged at the pedal (53).

8. A hand-held synchronous front-back push-pull rotary vane body builder as claimed in claim 1 or 2, wherein: the wing profiles of all the blades (12) adopt a biconvex type; the aspect ratio of a single blade (12) is greater than 3 and less than 10; the length of the single blade (12) is between 0.5 and 3 meters; the number of blades (12) is between 2 and 6.

9. A hand-held synchronous front-back push-pull rotary vane body builder as claimed in claim 1 or 2, wherein: an intelligent electronic lock is arranged at the joint of the push-pull rod (3) and the guide rod (2).

10. A hand-held synchronous front-back push-pull rotary vane body builder as claimed in claim 1 or 2, wherein: can generate electricity by adopting at least one of the two power generation modes: the upper surfaces (123) of all the blades are provided with solar power generation films for power generation; a micro generator is arranged at the deep groove ball bearing (11) to generate electricity.

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