CN107837489B

CN107837489B - Swing traction body-building device and implementation method thereof

Info

Publication number: CN107837489B
Application number: CN201711380648.6A
Authority: CN
Inventors: 万正; 万新亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-20
Filing date: 2017-12-20
Publication date: 2023-06-02
Anticipated expiration: 2037-12-20
Also published as: CN107837489A

Abstract

The invention belongs to the technical field of body-building equipment, in particular to a method for realizing a body-building device which can highly simulate rowing motion and can swing and pull. The double-paddle rowing body-building device capable of highly simulating the rowing curve rowing action comprises two paddle handle assemblies which are respectively arranged on two curve rails symmetrically arranged in a hyperbolic mode to move along the curve rails, and the two paddle handle assemblies are connected with a stretching damping traction device, so that the stretching and shrinking paddle handle can simulate the rowing curve rowing action. The implementation method of the swing traction body-building device is that a rotating rod rotating around the middle of the rotating rod is used as a handle, and the rotating rod is arranged at the end part of a swing arm pipe with one end capable of swinging; and a limiting rebound and linkage mechanism for the reciprocating rotation of the rotary rod is arranged, and the linkage mechanism can enable the rotary rod to synchronously swing and enable the swing arm pipe to move up and down when the body of the body-building person rotates back and forth within a set angle in a reciprocating way, so that the body of the body-building person swings and repeatedly pulls upwards when the body-building person rotates back and forth in a reciprocating way.

Description

Swing traction body-building device and implementation method thereof

Technical Field

The invention belongs to the technical field of body-building equipment.

Background

The rowing action of the rowing body-building device in the prior art is to pull a cross rod fixed at the rope belt end of the stretching damping traction device to do linear motion, which is far from the actual rowing action of the racing boat curve, and is actually a sawing machine. Meanwhile, the existing traction body-building equipment is fixed by a horizontal bar, hanging rings and the like, and also has sole rotating and waist twisting body-building equipment, but the existing traction body-building equipment lacks a swing traction body-building device, in particular to a body-building device capable of actively drawing a human body.

Disclosure of Invention

The invention provides a rowing body-building device, a swinging traction body-building device and a realization method of a multifunctional body-building device, which not only can highly simulate the curve rowing action of a racing boat, but also has the function of swinging body-building.

The invention relates to a method for realizing a double-paddle rowing body-building device capable of highly simulating the curve rowing action of a racing boat.

The double-paddle rowing body-building device for realizing the method is characterized in that two paddle handle assemblies are respectively arranged on two curve rails symmetrically arranged in a hyperbolic mode to move along the curve rails, and simultaneously, the two paddle handle assemblies are connected with a stretching damping traction device. The pulling and shrinking of the paddle handle can simulate the curve rowing action of the racing boat. The double-oar rowing body-building device is provided with a frame plate serving as a supporting base, a chute is fixed in the frame plate, a sliding block capable of sliding along the chute is arranged in the chute, and two sides of the sliding block are respectively connected with pulleys arranged on two curved rails through two connecting rods; the front end of the sliding block is connected with a traction damping device arranged in front of the bracket through a traction belt; the two curved rails are symmetrically fixed on two sides of the chute below the frame plate, and the two pulleys on the curved rails are respectively provided with a slurry handle assembly.

Further, a straight sliding groove is arranged above the frame plate, and a sliding seat for taking exercise and sitting is arranged on the straight sliding groove and can slide along the straight sliding groove; a pair of pedals is also arranged above the front of the frame plate.

The paddle handle assembly consists of an L-shaped rod and a paddle handle which can freely disturb up and down around the upper end of the L-shaped rod within a certain angle.

Compared with the straight line rowing body-building effect in the prior art, the double-oar curve rowing device has better body-building effect, and particularly, when rowing is close to the tail end of the bent rail, a special chest expanding exercise effect can be generated for a user. The implementation method of the swing traction body-building device is that a rotating rod rotating around the middle of the rotating rod is used as a handle, and the rotating rod is arranged at the end part of a swing arm pipe with one end capable of swinging up and down; and a limiting rebound and linkage mechanism for the reciprocating rotation of the rotary rod is arranged, and the linkage mechanism can enable the rotary rod to synchronously swing and enable the swing arm pipe to move up and down when the rotary rod is twisted by a body-building person and rotates back and forth within a set angle along with the body-building person, so that the body of the body-building person is repeatedly pulled upwards when the rotary rod rotates back and forth and swings.

The implementation method of the swing traction body-building device is that a rotating rod which freely rotates around the middle of the rotating rod is used as a handle, and a limiting rebound device is arranged on the rotating path of the rotating rod so that the body of a body-building person can reciprocally rotate back and forth within a set angle; meanwhile, the power of twisting waist of a body-building person and rotating the rotating rods of the two arms is simultaneously converted into traction force for driving the rotating rods to swing and move up and down through the linkage mechanism, and the traction force simultaneously generates repeated upward traction action on the body-building person holding the rotating rods of the two hands.

Further, the method for realizing the swing traction body-building device comprises the steps that the traction force conversion mechanism drives the centrifugal mechanism to drive the lifting support to lift through the set of gear turning mechanism and the speed increasing mechanism, and then the lifting support drives the end part of the swing arm pipe hinged with the lifting support to lift or descend to drive the swing rod arranged at the end part to oscillate up and down.

The implementation method of the swing traction body-building device can be realized by using any one or a combination of more than one of the following power which rotates along with the rotating rod and enables the rotating rod to swing and move up and down: inertial assistance: the body builder rotates the rotary rod with double arms, drives the inertia wheel to enable the rotary rod to rotate at a high speed for energy storage, releases the energy by virtue of inertia in the lower half of the rotation of the rotary rod, drives the rotary rod to swing and move upwards, and generates a swing stretching force for the body builder. (II) electric power assisting: triggering the motor to start in the lower half of the rotation of the rotary rod, driving the rotary rod to swing and rise by using the power of the motor, putting down and disconnecting the power supply of the motor after the rotary rod is in place, repeating the steps, and adjusting the pulling and rising height; (III) elastic assistance: the front half-way compression spring of the rotating rod is used for storing energy, and the rotating rod is driven to swing and move upwards by means of the elastic force of the compressed spring to generate a swing stretching force on the body builder in the lower half of the rotation of the rotating rod.

The rotary swing traction body-building device for realizing the method comprises a base and a vertical rod serving as a support, wherein a first support is arranged on the vertical rod; the rear end of the swing arm pipe is hinged with the first support through a first shaft, and the swing arm pipe can horizontally rotate around the first shaft within a certain angle.

Further, the swing arm pipe is not all straight, but the middle part is provided with a bend, the axis of the bent swing arm pipe part forms an included angle of not more than 90 degrees with the first shaft in the vertical direction, and the front end of the swing arm pipe is provided with a first transmission shaft. The rotary rod perpendicular to the first transmission shaft is fixed at the lower end of the first transmission shaft through a short pipe, and the rotary rod can rotate around the axis of the first transmission shaft by not more than +/-180 degrees.

Further, the upper end of the first transmission shaft is fixed with a first bevel gear. The horizontal section of the swing arm pipe is provided with a speed increasing gear box, the input shaft of the speed increasing gear box is provided with a second bevel gear, the second transmission shaft and bevel gears at the two ends of the second transmission shaft are fixed on the swing arm pipe through a second support, the second bevel gear is in transmission engagement with the first bevel gear through the second transmission shaft arranged on the swing arm pipe and the bevel gears at the two ends of the second transmission shaft, the lower end output shaft of the speed increasing gear box is provided with the first gear, the third transmission shaft is fixed on the horizontal section of the swing arm pipe through a bearing, the third transmission shaft is fixedly provided with the second gear and is engaged with the first gear, the third transmission shaft is also fixedly provided with at least one pair of equal-length sliding rods which are vertical to the second transmission shaft and are arranged in center symmetry, and the sliding rods are provided with centrifugal sliding blocks with certain mass and first pressure springs at the outer sides.

Further, a first short shaft is fixed at a proper position on the second bevel gear, which is offset from the center, a second short shaft which is parallel to the axis of the first shaft and offset from the first shaft by a certain distance is fixed on the first support, and a connecting rod is hinged with the first short shaft and the second short shaft respectively.

Furthermore, a pair of second pressure springs are symmetrically arranged at the proper positions of the swing arm pipe, and the functions of buffering collision with the swing rod and strongly rebounding when one end of the swing rod is rotated to be close to the swing arm pipe are achieved.

Specific motion relation and working principle: the first support is adjusted to a proper height, a user stands on a frame plate below the rotary rod, two hands lift the rotary rod to respectively grip two ends of the rotary rod, and rotate the rotary rod in any direction, so that the first transmission shaft, the first bevel gear, the second transmission shaft, the second bevel gear and the first gear after being accelerated by the speed increasing gear box are driven to rotate at a high speed through the gears, and the third transmission shaft, the slide rod and the centrifugal slide block are driven by the gears. Meanwhile, due to the rotation of the second bevel gear and the combined action of the first short shaft and the connecting rod, the swing arm pipe is forced to rotate in the same direction with the swing rod around the first shaft, under the action of high-speed rotation inertia of the centrifugal sliding block, one end of the swing rod, far away from the swing arm pipe, generates an upward pulling and twisting comprehensive acting force on a user, and after one end of the swing rod collides with the second pressure spring when the swing rod rotates to the limit position, the user rotates the swing rod in the opposite direction in a clockwise direction under the action of the rebound force of the second pressure spring, so that the swing rod is reciprocally rotated and continuously used, and the purpose of swing body building can be achieved. The user can obtain the comprehensive acting force of pulling and torsion with proper size by rotating the speed of the rotary rod.

The swing traction body-building device for realizing the method can also be any one or more of the following combined structures: one end of a swing arm pipe is hinged on a first support through a first shaft, a swing rod is used as a handle to fix the middle part of the swing arm pipe on a first transmission shaft at the other end of the swing arm pipe, and the axis of the first transmission shaft forms a certain included angle with the axis of the first shaft so as to ensure that the height of the swing rod, which is away from one end of the swing arm pipe when the swing rod rotates, is increased and the height of the swing rod, which is close to one end of the swing arm pipe, is reduced. The first transmission shaft is also fixed with a large gear and a first disc, and the first disc is fixed with a limiting block and a first short shaft, and the positions of the limiting block and the first short shaft are shown in the figure. The swing arm pipe is provided with a pair of second pressure springs, and when the limiting block rotates to a limit position along with the rotary rod, the second pressure springs are impacted to play a role of limiting and rebounding. The two ends of the connecting rod are respectively hinged with the first short shaft and the second short shaft fixed on the first support through universal hinging devices. An inertia wheel with certain mass is meshed with the large gear through a pinion and is fixed on the swing arm pipe through a second shaft.

The user's both arms are lifted and are held the dwang both ends and rotate the dwang to arbitrary direction, and the gear wheel and the first disc of fixing on first transmission epaxial at this moment rotate together to drive the flywheel and do high-speed rotation, simultaneously because the linkage effect of connecting rod is driven the swing arm pipe to do the syntropy with the axis as the center, the dwang leaves the one end height of swing arm pipe and constantly rises, and pulls the user's health upwards through the arm of gripping this end under the effect of flywheel. The user rotates the rotary rod back and forth, and the body is repeatedly pulled upwards and leftwards and rightwards alternately during the rotary swing motion.

And (II) a motor-assisted swing traction body-building device: one end of a swing arm pipe is hinged on the first support through a first shaft, a rotating rod is used as a handle to fix the middle part of the rotating rod on a first transmission shaft at the other end part of the swing arm pipe, and a certain included angle is formed between the axis of the first transmission shaft and the axis of the first shaft, so that the rotating rod is guaranteed to be lifted off from one end of the swing arm pipe when rotating, and the height of the rotating rod, which is close to one end of the swing arm pipe, is lowered. The first transmission shaft is also fixed with a large gear and a first disc, and the first disc is fixed with a limiting block and a first short shaft, and the positions of the limiting block and the first short shaft are shown in the figure. The swing arm pipe is provided with a pair of second pressure springs, and when the limiting block rotates to a limit position along with the rotary rod, the second pressure springs are impacted to play a role of limiting and rebounding. The two ends of the connecting rod are respectively hinged with the first short shaft and the second short shaft fixed on the support through universal hinge devices. An output shaft of the power-assisted motor is meshed with the large gear through a pinion and is fixed on the swing arm pipe through a motor support. The steering control switch of the motor is linked with the second pressure spring, and controls the motor to start rotating in the opposite direction every time the rotary rod rotates to the limit position.

When the swing arm is used, the power switch of the motor is turned on, the two arms lift up to grip the two ends of the swing rod and start to rotate along with the swing rod, at the moment, due to the linkage action of the connecting rod, the swing arm pipe is driven to swing in the same direction by taking the axis as the center, the height of one end of the swing rod, which is away from the swing arm pipe, is continuously increased, the body of a user is pulled upwards under the driving of the motor, and the body can be pulled upwards repeatedly in a left-right alternating manner when the swing arm is rotated repeatedly.

And (III) an elastic power-assisted swing traction body-building device: one end of a swing arm pipe is hinged on the first support through a first shaft, a rotating rod is used as a handle to fix the middle part of the rotating rod on a first transmission shaft at the other end part of the swing arm pipe, and a certain included angle is formed between the axis of the first transmission shaft and the axis of the first shaft, so that the rotating rod is guaranteed to be lifted off from one end of the swing arm pipe when rotating, and the height of the rotating rod, which is close to one end of the swing arm pipe, is lowered. The first transmission shaft is also fixed with a second disc and a first disc, and the first disc is fixed with a limiting block and a first short shaft, and the positions of the limiting block and the first short shaft are shown in the figure. The swing arm pipe is provided with a pair of second pressure springs, and when the limiting block rotates to a limit position along with the rotary rod, the second pressure springs are impacted to play a role of limiting and rebounding. The two ends of the connecting rod are respectively hinged with the first short shaft and the second short shaft fixed on the support through universal hinge devices. The other ends of the two elastic supporting rods with one ends installed on the swing arm pipe are respectively hinged at proper positions to act on the second disc, and the positions are shown in the figure, so that when the rotating rod rotates at the middle position of the left limit rotatable angle and the right limit rotatable angle, the two elastic supporting rods are symmetrically compressed in a balanced and stable state, and when the rotating rod rotates for a certain angle, the balance can be broken, and the elastic force of the two elastic supporting rods acts on the same side to have a boosting effect on the continuous rotation of the rotating rod.

The user's both arms are lifted and are held the dwang both ends and rotate the dwang to arbitrary direction, and the second disc and the first disc of fixing on first transmission shaft are rotatory together this moment, because the linkage effect of connecting rod is driven the swing arm pipe to do the syntropy with the axis as the center this moment, and the dwang leaves the one end height of swing arm pipe constantly to rise, and pulls the user's health upwards through the arm of gripping this end under the elasticity effect of elasticity vaulting pole. The user rotates the rotary rod back and forth, and the body is repeatedly pulled upwards and leftwards and rightwards alternately during the rotary swing motion.

The invention is characterized in that when an exerciser rotates and twists the waist independently, the rotating torque can be converted into vertical traction and left-right swinging force and simultaneously acts on the whole body of the human body, thereby realizing the omnibearing stretching effect on the human body of the exerciser. The rotary swing traction device can stimulate and relieve the waist, neck, shoulder, spine and other parts of the human body and various bearing joints and muscles of the human body, and is beneficial to shaping the human body and heightening teenagers after long-term use.

The multifunctional body-building device is formed by combining the double-oar rowing body-building device and the rotary swing traction body-building device into a whole and connecting vertical rods. The two frames share one frame body, so that most of muscles of the whole body can be exercised, the whole body can be pulled by swinging, and the effect of multipurpose comprehensive exercise of one machine is realized.

Drawings

Fig. 1 is a side view of a multi-functional exercise device.

Fig. 2 is a schematic plan view of a portion of a dual paddle rowing exercise device.

Figure 3 is a schematic cross-sectional view of a portion of a dual paddle rowing exercise device.

Fig. 4 is a schematic side elevational view of a portion of a swing pulling exercise apparatus.

Fig. 5 is a schematic plan view of a portion of a swing pulling exercise apparatus.

Fig. 6 is a schematic plan view of an embodiment of a portion of a dual paddle rowing exercise device.

Fig. 7 is a schematic diagram of an inertial power assisted swing traction exercise device.

Fig. 8 is a schematic diagram of a motor-assisted swing traction exercise device.

Fig. 9 is a schematic diagram of an elastic power-assisted swing traction exercise device.

Detailed Description

As shown in fig. 2, 3 and 6, the double-oar rowing exercise device can highly simulate the curve rowing action of the racing boat: a chute 2 is fixed at the central axis position below a frame plate 13 with four corners which is supported by a floor, a sliding block 4 capable of sliding along the chute is arranged in the chute 2, a pair of bent rails 1 are symmetrically fixed at two sides of the chute 2 below the bracket, pulleys 3 which can move along the bent rails 1 and are provided with a plurality of pulleys are respectively arranged on the two bent rails, the two pulleys 3 are respectively hinged with the sliding block 2 through a pair of connecting rods 5, the sliding block 2 is connected with a traction damping device 40 arranged in front of the bracket through a traction belt 6, and a slurry handle assembly 7 is respectively arranged on the two pulleys 3. A straight chute 8 is also arranged above the bracket, and a sliding seat 9 can slide along the straight chute 8. A pair of pedals 10 are also arranged above and in front of the bracket. The paddle handle assembly 7 is composed of an L-shaped rod 7-2 and a paddle handle 7-1 which can freely disturb up and down around the upper end of the L-shaped rod 7-2 within a certain angle.

Specific motion relation and working principle: the user bends and moves back the seat on slide 9, and both feet pedal footboard 10, simultaneously both hands pulling thick stick 7-1, thick stick assembly 7 drive two coasters 3 move on curved track 1, thick stick motion track then be with curved curve of curved track anastomotic, highly simulate the curve action of rowing boat.

Example 1: as shown in fig. 7, one end of a swing arm tube 19 is hinged on the first support 16 through a first shaft 18, a swing rod 22 is used as a handle to fix the middle part of the swing arm tube 19 on a first transmission shaft 20 at the other end of the swing arm tube, and an axis O1 of the first transmission shaft 20 forms a certain included angle with an axis O2 of the first shaft 18 so as to ensure that the height of the swing rod 22, which is away from one end of the swing arm tube when the swing rod rotates, is increased and the height of the swing rod, which is close to one end of the swing arm tube, is decreased. The first transmission shaft 20 is further fixed with a large gear 43 and a first disc 41, and the first disc 41 is fixed with a limiting block 42 and a first short shaft 34, and the positions of the limiting block 42 and the first short shaft 34 are as shown in the figure. The swing arm tube 19 is provided with a pair of second pressure springs 37, and when the limiting block 42 rotates to the limit position along with the rotary rod 22, the second pressure springs 37 are impacted to play a role in limiting and rebounding. The link 36 is hinged at both ends to a first stub shaft 34 and a second stub shaft 35 fixed to the first mount 16, respectively, by universal hinge means. A flywheel 45 of a certain mass is meshed with the gearwheel 43 via a pinion 44 and is fixed to the swing arm pipe 19 by a second shaft 47.

The user lifts up the two ends of the holding rotary rod 22 and rotates the rotary rod 22 in any direction, at this time, the large gear 43 fixed on the first transmission shaft 20 and the first disc 41 rotate together, so as to drive the inertia wheel 45 to rotate at high speed, meanwhile, the swing arm pipe 19 is driven to swing in the same direction by taking the axis O2 as the center under the linkage action of the connecting rod 36, the height of one end of the rotary rod 22 away from the swing arm pipe is continuously increased, and the body of the user is pulled upwards by the arm holding the end under the action of the inertia wheel 45. The user rotates the rotary lever 22 back and forth so that the body is pulled up alternately left and right repeatedly during the swing motion.

Example 2: as shown in fig. 8, one end of a swing arm tube 19 is hinged on the first support 16 through a first shaft 18, a swing rod 22 is used as a handle to fix the middle part of the swing arm tube 19 on a first transmission shaft 20 at the other end of the swing arm tube, and an axis O1 of the first transmission shaft 20 forms a certain included angle with an axis O2 of the first shaft 18 so as to ensure that the height of one end of the swing rod 22, which is separated from the swing arm tube when the swing rod rotates, is increased, and the height of one end, which is close to the swing arm tube, is decreased. The first transmission shaft 20 is further fixed with a large gear 43 and a first disc 41, and the first disc 41 is fixed with a limiting block 42 and a first short shaft 34, and the positions of the limiting block 42 and the first short shaft 34 are as shown in the figure. The swing arm tube 19 is provided with a pair of second pressure springs 37, and when the limiting block 42 rotates to the limit position along with the rotary rod 22, the second pressure springs 37 are impacted to play a role in limiting and rebounding. The link 36 is hinged at both ends to a first stub shaft 34 and a second stub shaft 35 fixed to the first mount 16, respectively, by universal hinge means. The output shaft of the booster motor 48 is meshed with the gearwheel 43 via the pinion 44 and is fixed to the swing arm pipe 19 by a motor mount 49. The steering control switch of the motor is linked with the second compression spring 37 to control the motor to start rotating in the opposite direction each time the rotary lever 22 is rotated to the limit position.

When the swing arm is used, the power switch of the motor 48 is turned on, the two arms lift up to grip the two ends of the swing rod 22 and start to rotate along with the swing rod 22, at the moment, due to the linkage action of the connecting rod 36, the swing arm pipe 19 is driven to swing in the same direction by taking the axis O2 as the center, the height of one end of the swing rod 22 away from the swing arm pipe is continuously increased, the body of a user is pulled upwards under the drive of the motor, and thus the body can be pulled upwards repeatedly when the swing arm is rotated repeatedly.

Example 3: as shown in fig. 9, one end of a swing arm tube 19 is hinged on the first support 16 through a first shaft 18, a swing rod 22 is used as a handle to fix the middle part of the swing arm tube 19 on a first transmission shaft 20 at the other end of the swing arm tube, and an axis O1 of the first transmission shaft 20 forms a certain included angle with an axis O2 of the first shaft 18 so as to ensure that the height of the swing rod 22, which is away from one end of the swing arm tube when rotating, is increased, and the height of the swing rod, which is close to one end of the swing arm tube, is decreased. The first transmission shaft 20 is further fixed with a second disc 50 and a first disc 41, and the first disc 41 is fixed with a limiting block 42 and a first short shaft 34, and the positions of the limiting block 42 and the first short shaft 34 are as shown in the figure. The swing arm tube 19 is provided with a pair of second pressure springs 37, and when the limiting block 42 rotates to the limit position along with the rotary rod 22, the second pressure springs 37 are impacted to play a role in limiting and rebounding. The link 36 is hinged at both ends to a first stub shaft 34 and a second stub shaft 35 fixed to the first mount 16, respectively, by universal hinge means. The other ends of the first elastic stay rod 51 and the second elastic stay rod 52, one ends of which are installed on the swing arm pipe 19, are respectively hinged at proper positions to act on the second disc 50, and the positions are shown in the figure, so that when the rotating rod 22 rotates at the middle position of the left limit rotatable angle and the right limit rotatable angle, the two

elastic stay rods

51 and 52 are symmetrically balanced and compressed and can be in a balanced stable state, and when the rotating rod 22 rotates for a certain angle, the balance can be broken, and the elastic force of the two elastic stay rods acts on the same side to have the assistance effect on the continuous rotation of the rotating rod.

The user lifts up the two ends of the holding rotary rod 22 and rotates the rotary rod 22 in any direction, at this time, the second disc 50 fixed on the first transmission shaft 20 and the first disc 41 rotate together, at this time, the swing arm pipe 19 is driven to swing in the same direction by taking the axis O2 as the center due to the linkage action of the connecting rod 36, the height of one end of the rotary rod 22 away from the swing arm pipe is continuously increased, and the body of the user is pulled upwards by the arm holding the end under the action of the elasticity of the elastic supporting rod. The user rotates the rotary lever 22 back and forth so that the body is pulled up alternately left and right repeatedly during the swing motion.

More specific embodiments: a multifunctional body-building device comprises floor supports 13-4 at four corners of a frame plate 13, main beams 13-1 around the floor supports, multiple secondary beams 13-2 fixed on the main beams 13-1, and panels 13-3 fixed on the secondary beams 13-2. A sliding groove 2 is fixed on a secondary beam 13-2 at the central axis position below a frame plate 13, a sliding block 4 capable of sliding along the sliding groove is arranged in the sliding groove 2, a pair of bent rails 1 made of steel plates are symmetrically fixed on two sides of the sliding groove 2 below a bracket 13 through a plurality of fixing columns 1-1, pulleys 3 capable of moving along the bent rails 1 and provided with a plurality of pulleys are respectively arranged on the two bent rails, the two pulleys 3 are respectively hinged with the sliding block 2 through a pair of connecting rods 5, the sliding block 2 is connected with a traction damping device 40 arranged on the bracket through a traction belt 6, and a pulp handle assembly 7 is respectively arranged on the two pulleys 3. A straight chute 8 is also arranged above the bracket 13, and the sliding seat 9 can slide along the straight chute 8. A pair of pedals 10 are also provided above the support. The paddle handle assembly 7 is composed of an L-shaped rod 11 and a paddle handle 12 which can freely disturb up and down around the upper end of the L-shaped rod 11 within a certain angle. As shown in fig. six and fig. three.

A vertical rod 15 is fixed on the frame plate 13 serving as a supporting base, and a first support 16 is mounted on the vertical rod 15. The rear end of the swing arm pipe 19 is hinged to the first support 16 through a first shaft 18, and can horizontally rotate around the first shaft 18 within a certain angle. The swing arm pipe 19 is not all straight, but the middle part is bent, the axis of the bent swing arm pipe part forms an included angle of 0-90 degrees with the first shaft 18 in the vertical direction, and the front end of the swing arm pipe 19 is provided with a first transmission shaft 20. A rotary rod 22 perpendicular to the first transmission shaft 20 is fixed to the lower end of the first transmission shaft 20 through a short tube 21. A first bevel gear 23 is fixed to the upper end of the first transmission shaft 20. The horizontal section of the swing arm pipe 19 is provided with a speed increasing gear box 24, the input shaft of the swing arm pipe 19 is provided with a second bevel gear 26, a second transmission shaft 28 and bevel gears at two ends of the second transmission shaft are fixed on the swing arm pipe 19 through a second support 25, and the second bevel gear 26 is in transmission engagement with the first bevel gear 23 through the second transmission shaft 28 and bevel gears at two ends of the second transmission shaft 28 which are arranged on the swing arm pipe 19. The first gear 27 is installed on the lower end output shaft of the speed increasing gear box 24, the third transmission shaft 29 is fixed on the swing arm pipe 19 through a bearing, the second gear 30 is fixed on the third transmission shaft 29 and meshed with the first gear 27, at least one pair of slide bars 31 with equal length which are vertical to the third transmission shaft 29 and are arranged in a central symmetry mode, and the slide bars 31 are provided with centrifugal slide blocks 32 with certain mass and first pressure springs 33 on the outer sides. A first stub shaft 34 is fixed to the second bevel gear 26 at an off-center position, a second stub shaft 35 is fixed to the first mount 16 parallel to the first shaft 18 and offset a distance, and a link 36 is hinged to the first stub shaft 34 and the second stub shaft 35, respectively. A pair of second compression springs 37 are symmetrically arranged at proper positions of the swing arm pipe 19, and play a role in buffering collision with the swing rod 22 and strongly rebounding when one end of the swing rod 22 rotates to be close to the swing arm pipe 19. 38 is a lock bolt where the protective cover is fixed to the

swing arm

19, and 39 is the first support 16. As shown in fig. 4, 5, 6, and 1.

The multifunctional body-building device combines the double-paddle rowing body-building device and the rotary swing traction body-building device into a whole and is formed by connecting vertical rods 15.

Claims

1. The rotary swing traction body-building device is characterized by comprising a base (13) and a vertical rod (15) serving as a support, wherein a first support (16) capable of lifting along the vertical rod (15) is arranged on the vertical rod; the rear end of the swing arm pipe (19) is hinged with the first support (16) through a first shaft (18), and can horizontally rotate around the first shaft (18) within a certain angle; the middle part of the swing arm pipe (19) is provided with a bend, the axis of the bent swing arm pipe part forms an included angle of not more than 90 degrees with the first shaft (18) in the vertical direction, the front end of the swing arm pipe (19) is provided with a first transmission shaft (20), a rotary rod (22) perpendicular to the first transmission shaft (20) is fixed at the lower end of the first transmission shaft (20) through a short pipe (21), and the rotary rod (22) can rotate around the axis of the first transmission shaft (20) by not more than +/-180 degrees; the upper end of the first transmission shaft (20) is fixedly provided with a first bevel gear (23), the horizontal section of the swing arm pipe (19) is provided with a speed increasing gear box (24), the input shaft of the speed increasing gear box is provided with a second bevel gear (26), the second transmission shaft (28) and bevel gears at the two ends of the second transmission shaft are fixed on the swing arm pipe (19) through a second support (25), the second bevel gear (26) is in transmission engagement with the first bevel gear (23) through a second transmission shaft (28) arranged on the swing arm pipe (19) and bevel gears at the two ends of the second transmission shaft, the lower end output shaft of the speed increasing gear box (24) is provided with a first gear (27), the third transmission shaft (29) is fixed on the horizontal section of the swing arm pipe (19) through a bearing, the third transmission shaft (29) is fixedly provided with a second gear (30) and is engaged with the first gear (27), the third transmission shaft (29) is also fixedly provided with at least one pair of slide bars (31) which are vertical and have equal length and are symmetrically arranged at the center, and the first slide bars (32) and the first compression springs (33) are arranged outside; a first short shaft (34) is fixed at a proper position, which is offset from the center, on the second bevel gear (26), a second short shaft (35) which is parallel to the axis of the first shaft (18) and offset from the first shaft by a certain distance is fixed on the first support (16), and a connecting rod (36) is hinged with the first short shaft (34) and the second short shaft (35) respectively so as to realize rotation and swing linkage; a pair of second pressure springs (37) are symmetrically arranged at proper positions of the swing arm pipe (19) and play a role in buffering collision with the swing rod (22) and strongly rebounding when one end of the swing rod (22) rotates to be close to the swing arm pipe (19).

2. An inertial power-assisted swing traction body-building device is characterized by comprising a base (13) and a vertical rod (15) serving as a support, wherein a first support (16) capable of lifting along the vertical rod (15) is arranged on the vertical rod; one end of the swing arm pipe (19) is hinged on the first support (16) through a first shaft (18), a rotary rod (22) is used as a handle to fix the middle part of the swing arm pipe on a first transmission shaft (20) at the other end part of the swing arm pipe (19), and an included angle is formed between the axis of the first transmission shaft (20) and the axis of the first shaft (18); a large gear (43) and a first disc (41) are also fixed on the first transmission shaft (20), a limiting block (42) and a first short shaft (34) are fixed on the first disc (41), a pair of second pressure springs (37) are arranged on the swing arm pipe (19), and when the limiting block (42) rotates to a limit position along with the rotary rod (22), the limiting block impacts the second pressure springs (37) to play a limiting rebound role; two ends of the connecting rod (36) are respectively hinged with the first short shaft (34) and the second short shaft (35) fixed on the first support (16) through universal hinging devices; the flywheel (45) is meshed with the large gear (43) through a small gear (44) and is fixed on the swing arm pipe (19) through a second shaft (47).

3. A motor-assisted swing traction body-building device is characterized by comprising a base (13) and a vertical rod (15) serving as a support, wherein a first support (16) capable of lifting along the vertical rod (15) is arranged on the vertical rod; one end of the swing arm pipe (19) is hinged on the first support (16) through a first shaft (18), a rotary rod (22) is used as a handle to fix the middle part of the swing arm pipe on a first transmission shaft (20) at the other end part of the swing arm pipe (19), and an included angle is formed between the axis of the first transmission shaft (20) and the axis of the first shaft (18); a large gear (43) and a first disc (41) are also fixed on the first transmission shaft (20), and a limiting block (42) and a first short shaft (34) are fixed on the first disc (41); a pair of second pressure springs (37) are arranged on the swing arm pipe (19), and when the limiting block (42) rotates to a limit position along with the rotary rod (22), the limiting block impacts the second pressure springs (37) to play a limiting rebound role; two ends of the connecting rod (36) are respectively hinged with the first short shaft (34) and the second short shaft (35) fixed on the first support (16) through universal hinging devices; an output shaft of the power-assisted motor (48) is meshed with the large gear (43) through a small gear (44) and is fixed on the swing arm pipe (19) through a motor support (49); the steering control switch of the motor is linked with a second pressure spring (37) and controls the motor to start rotating in the opposite direction every time the rotary rod (22) rotates to the limit position.

4. An elastic power-assisted swing traction body-building device is characterized by comprising a base (13) and a vertical rod (15) serving as a support, wherein a first support (16) capable of lifting along the vertical rod (15) is arranged on the vertical rod; one end of the swing arm pipe (19) is hinged on the first support (16) through a first shaft (18), a rotary rod (22) is used as a handle to fix the middle part of the swing arm pipe on a first transmission shaft (20) at the other end part of the swing arm pipe (19), and an included angle is formed between the axis of the first transmission shaft (20) and the axis of the first shaft (18); a second disc (50) and a first disc (41) are also fixed on the first transmission shaft (20), and a limiting block (42) and a first short shaft (34) are fixed on the first disc (41); a pair of second pressure springs (37) are arranged on the swing arm pipe (19), and when the limiting block (42) rotates to a limit position along with the rotary rod (22), the limiting block impacts the second pressure springs (37) to play a limiting rebound role; two ends of the connecting rod (36) are respectively hinged with the first short shaft (34) and the second short shaft (35) fixed on the first support (16) through universal hinging devices; the other ends of the first elastic stay bar (51) and the second elastic stay bar (52) with one end installed on the swing arm pipe (19) are respectively hinged on the second disc (50).

5. The method for realizing the swing pulling body-building device according to claim 1, which is characterized in that a rotating rod which freely rotates around the middle part of the rotating rod is used as a handle, and a limiting rebound device is arranged on the rotating path of the rotating rod so that the body of a body-building person swings back and forth within a set angle; meanwhile, the traction force conversion mechanism converts the power which is used for driving the double arms to rotate and drive the rotary rod to rotate freely by the body builder because of waist twisting into traction force which drives the rotary rod to swing and oscillate up and down, and the traction force simultaneously produces repeated upward traction action on the body builder who holds the rotary rod by both hands.

6. The method of claim 5, wherein the traction force conversion mechanism drives the centrifugal mechanism to drive the lifting support to lift by a set of gear direction changing mechanism and speed increasing mechanism, and the lifting support drives the end part of the swing arm pipe hinged with the lifting support to lift or descend to drive the swing rod arranged at the end part to oscillate up and down.

7. An implementation method of the inertial power assisted rotary pendulum traction body-building device as claimed in claim 2, which is characterized in that: the body builder's both arms rotate the swiveling lever and drive the flywheel to make its high-speed rotation energy storage, rely on inertial energy release in the rotatory lower half of swiveling lever, drive swiveling lever swing and upward movement, produce pendulum stretching force to body builder.

8. A method for implementing the motor-assisted swing traction exercise device according to claim 3, which is characterized in that: the motor is triggered to start in the lower half of the rotation of the rotary rod, the rotary rod is driven to swing and rise by using the power of the motor, the rotary rod is put down and the power of the motor is disconnected after the rotary rod is in place, the operation is repeated, and the pulling and rising height is adjustable.

9. A method for implementing the elastic power-assisted swing traction exercise device according to claim 4, which is characterized in that: the front half-way compression spring of the rotating rod is used for storing energy, and the rotating rod is driven to swing and move upwards by means of the elastic force of the compressed spring to generate a swing stretching force on the body builder in the lower half of the rotation of the rotating rod.