CN109999425B

CN109999425B - Pull-up physical training device

Info

Publication number: CN109999425B
Application number: CN201910194635.2A
Authority: CN
Inventors: 孙慧霞
Original assignee: Huanghe Science and Technology College
Current assignee: Huanghe Science and Technology College
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2021-01-26
Anticipated expiration: 2039-03-14
Also published as: CN109999425A

Abstract

Sports exercise chin trainer, comprising a base plate, the vertical support column of other fixed mounting is equallyd divide to the front end both sides of bottom plate top surface, through a horizontally first lever fixed connection between two support column tops, vertical guide way is all seted up in front of every support column, through a first reel swing joint between the both sides inner wall of every guide way, first reel is located the top of guide way, other swing joint second reel is equallyd divide to the opposite face of two support columns, the second reel is in same horizontal plane with first reel, the rotation axis of second reel and the rotation axis fixed connection of first reel. The balancing weight moves down, and first take-up pulley unwrapping wire, the line is received to the second take-up pulley simultaneously, backup pad rebound, and the balancing weight is opposite with the direction of motion of backup pad, and then can assist the help to the beginner, and help beginner's health rebound accomplishes the chin and moves.

Description

Pull-up physical training device

Technical Field

The invention belongs to the technical field of sports equipment, and particularly relates to a pull-up training device for physical training.

Background

Present lever height is fixed to can only carry out the completion of chin action during the use alone, moreover to the beginner, can't accomplish the chin action of going up through the strength of self, thereby in use is comparatively inconvenient, needs a physical training chin trainer.

Disclosure of Invention

The invention provides a pull-up training device for physical training, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

a physical exercise pull-up training device comprises a base plate, wherein two sides of the front end of the top surface of the base plate are respectively fixedly provided with a vertical supporting column, the top ends of the two supporting columns are fixedly connected through a horizontal first lever, a vertical guide groove is formed in the front of each supporting column, the inner walls of two sides of each guide groove are movably connected through a first reel, the first reel is positioned at the top of the guide groove, the opposite surfaces of the two supporting columns are respectively and movably provided with a second reel, the second reel and the first reel are positioned on the same horizontal plane, the rotating shaft of the second reel is fixedly connected with the rotating shaft of the first reel, one end of a first cord is fixedly connected onto the first reel, the other end of the first cord is fixedly provided with a hook, the first cord is positioned in the guide groove, three guide blocks are matched and arranged in each guide groove, and the three guide blocks positioned in the same guide groove are sequentially arranged from top to bottom, the front of each guide block is fixedly provided with a balancing weight, the top end of the balancing weight positioned at the top of the three balancing weights positioned in front of each supporting column is fixedly provided with a hanging ring, a hook can be hung and matched with the hanging ring, two sides of each balancing weight are respectively and fixedly provided with a hanging sleeve, the hanging sleeve is positioned above the balancing weight, two sides of each balancing weight are respectively and fixedly provided with a fixed block, the fixed block is positioned below the balancing weight, one side of the fixed block is hinged with a hook body, the hook body at the upper part can be hooked and matched with the hanging sleeve at the lower part, the second winding wheel is fixedly connected with one end of a second cotton rope, the opposite surfaces of the two supporting columns are respectively provided with a vertical groove, each vertical groove is internally provided with a movable block in a matching way, the two movable blocks are fixedly connected through a horizontal supporting plate, two sides of the top surface of the supporting plate are respectively and fixedly provided with a circular, the soft cushion is fixedly installed on the top surface of the supporting plate, the opposite surfaces of the two supporting columns are respectively provided with a strip groove, the inner wall of the rear end of each strip groove is provided with a plurality of placing grooves, the placing grooves are uniformly arranged from top to bottom, the inner wall of the front end of each strip groove is provided with a vertical groove, a moving block is arranged in the groove in a matched mode, the rear end of the moving block is movably provided with a horizontal screw rod, the screw rod is located in the strip groove, the front end of the screw rod is fixedly provided with a first chain wheel, the first chain wheel is located in the strip groove and in front of the strip groove, the screw rod is provided with a nut in a matched mode, the bottom end of the nut is fixedly provided with a connecting block, the bottom end of the connecting block is fixedly provided with an L-shaped rod, one end of a transverse rod of the L-shaped rod is fixedly provided with an inserting block which is located at the other end of the transverse rod, the inserting block can be inserted into one of, the through-hole is seted up to the front end of every connecting rod, and the through-hole fit in is equipped with the rotary rod, and the length of rotary rod is greater than the length of connecting rod, the front end fixed mounting second sprocket of rotary rod, and the second sprocket is located the front end of connecting rod, is located through chain swing joint between a second sprocket and a first sprocket of same root support column one side, passes through second lever fixed connection between the rear end of two connecting rods, and the second lever is located the rear of support column.

The pull-up physical exercise training device comprises a long strip groove, a plurality of slots are formed in the inner wall of the rear end of the long strip groove, the slots are evenly distributed, a vertical block is fixedly installed at the bottom of the other end of a longitudinal rod of the L-shaped rod, an inserting rod is fixedly installed at the rear end of the vertical block, and the inserting rod can be inserted into one of the slots.

According to the pull-up physical exercise training device, the cross section of the groove is dovetail-shaped, and the cross section of the moving block is dovetail-shaped.

Sports exercise chin trainer as above, the back of the body end of two connecting rods equally divide and do not fix the cover by fixed mounting, fixed cover is located the rear of connecting rod, the sliding tray is seted up respectively to the top surface both sides of bottom plate, the sliding tray is located the rear of support column, the sliding tray fit in is equipped with the sliding block, the vertical guide bar of every sliding block top fixed mounting, every guide bar can pass a fixed cover that corresponds.

Sports exercise chin trainer as above, the front end fixed mounting circle piece of rotary rod, the circle piece is located second sprocket rear, through spring fixed connection between circle piece and the connecting rod front end, the rotary rod passes the spring, the spacing groove is do not seted up equally to the back of the body of two spinal branch daggers, the spacing groove is located the place ahead in rectangular groove, every spacing inslot cooperation is equipped with the stopper, one side fixed mounting L type branch of every stopper, the longitudinal rod of every L type branch and the front end swing joint of a rotary rod.

The physical exercise pull-up training device is characterized in that a counter is fixedly arranged on the top edge of the first lever.

The invention has the advantages that: for a trainer who is high in height and can skillfully do pull-up movement, the other end of the second cord is firstly unfastened from the ring, namely the second cord is separated from the support plate, the support plate can be moved downwards at the moment, namely the support plate is moved above the top surface of the bottom plate, the trainer performs pull-up training, and the soft cushion on the top surface of the support plate can protect the trainer when the trainer lands on the support plate; for the beginner who just starts to pull up, the other end of the second cord is tied on the ring, then the hook at the other end of the first rope is hung on the hanging ring, at the moment, the first rope is connected with the counterweight block, a beginner stands or kneels on the supporting plate, both hands hold the first lever, when the balancing weight is downward, the rotating shaft of the first winding wheel is fixedly connected with the rotating shaft of the second winding wheel, the supporting plate can be driven to move upward to drag the beginner to move upward, assists the beginner to do pull-up action better and adjust the upward thrust of the supporting plate according to the requirement, the operation mode is that the upper hook body in the upper and lower two adjacent balancing weights can be in hanging fit with the lower hanging sleeve, and the upper and lower two adjacent balancing weights are connected together at the moment; for the trainees with shorter height, the rotating rod can be rotated, the rotating rod is positioned in the through hole of the connecting rod and is fixedly connected with the second chain wheel to drive the second chain wheel to rotate, the second chain wheel is movably connected with the first chain wheel through a chain to drive the first chain wheel to rotate, the first chain wheel is fixedly connected with the screw rod to drive the screw rod to rotate, the screw rod is in threaded fit with the nut, the nut is fixedly connected with the connecting block to drive the nut to move forwards, the connecting block is fixedly connected with the L-shaped rod, the transverse rod of the L-shaped rod is fixedly connected with the inserting block to drive the L-shaped rod and the inserting block to move forwards, so that the inserting block is moved out of the placing groove, namely the inserting block and the L-shaped rod are positioned in the long groove, the height of the trainees can be adjusted according to the height of the trainees, namely the second lever is moved to the proper height, then the rotating rod is, the insertion block moves backwards, is inserted into the other placing groove, and fixes the height of the connecting rod, namely the height of the second lever, so that the use requirements of trainers with different heights can be met, and the trainers can grasp the levers; for a trainer who is unskilled in pull-up movement, the second lever is adjusted to a proper height, the trainer performs teaching operation on the trainer through the second lever at the moment, and the trainer performs movement training by using the first lever at the same time, namely, the trainer and a student can perform movement operation simultaneously, the student can correct the movement of the trainer, the student can master some movement methods and movement requirements more quickly, and the teaching efficiency is improved. The trainer with higher height and skilled action can use the first lever to carry out normal training, a beginner can transmit upward force to the supporting plate through the downward force of the balancing weight to assist, so that the beginner can finish upward pull action, and for the trainer with height incapable of using the first lever, the height of the second lever is adjusted to meet the use requirement of the trainer with lower height. The balancing weight moves down, and first take-up pulley unwrapping wire, the line is received to the second take-up pulley simultaneously, backup pad rebound, and the balancing weight is opposite with the direction of motion of backup pad, and then can assist the help to the beginner, and help beginner's health rebound accomplishes the chin and moves.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a left side view of FIG. 1; FIG. 3 is an enlarged view of a portion I of FIG. 1; FIG. 4 is a partial enlarged view of II of FIG. 2; fig. 5 is an enlarged view of a view of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Physical exercise chin training device, as shown in the figure, comprising a base plate 1, wherein vertical support columns 2 are fixedly installed on two sides of the front end of the top surface of the base plate 1 respectively, the top ends of the two support columns 2 are fixedly connected through a horizontal first lever 3, a vertical guide groove 4 is formed in the front of each support column 2, the inner walls of two sides of each guide groove 4 are movably connected through a first reel wheel 5, the first reel wheel 5 is positioned at the top of the guide groove 4, the opposite surfaces of the two support columns 2 are respectively and movably installed with a second reel wheel 6, the second reel wheel 6 and the first reel wheel 5 are positioned on the same horizontal plane, the rotating shaft of the second reel wheel 6 is fixedly connected with the rotating shaft of the first reel wheel 5, one end of a first rope 7 is fixedly connected onto the first reel wheel 5, a hook 38 is fixedly installed at the other end of the first rope 7, the first rope 7 is positioned in the guide groove, three guide blocks 8 are arranged in each guide groove 4 in a matched mode, the three guide blocks 8 positioned in the same guide groove 4 are sequentially arranged from top to bottom, a balancing weight 9 is fixedly installed in front of each guide block 8, a hanging ring 10 is fixedly installed at the top end of the topmost balancing weight 9 in the three balancing weights 9 in front of each supporting column 2, a hook 38 can be in hanging fit with the hanging ring 10, a hanging sleeve 11 is fixedly installed on each of two sides of each balancing weight 9 respectively, the hanging sleeve 11 is positioned above the balancing weight 9, a fixed block 12 is fixedly installed on each of two sides of each balancing weight 9 respectively, the fixed block 12 is positioned below the balancing weight 9, a hook body 13 is hinged to one side of the fixed block 12, the hook body 13 above can be in hooking fit with the hanging sleeve 11 below, the hook body 13 above the two adjacent balancing weights can be in hooking fit with the hanging sleeve 11 below, one end of a second wire rope 14 is fixedly connected to the second winding wheel 6, opposite surfaces of two support columns 2 are respectively provided with a vertical groove 15, each vertical groove 15 is internally provided with a movable block in a matching way, the two movable blocks are fixedly connected through a horizontal support plate 16, two sides of the top surface of the support plate 16 are respectively and fixedly provided with a circular ring, the other end of a second rope 14 is tied on the circular ring, the other ends of the two second ropes 14 are respectively positioned at two sides of the support plate 16, the top surface of the support plate 16 is fixedly provided with a cushion, the opposite surfaces of the two support columns 2 are respectively provided with a long groove 17, the rear end inner wall of each long groove 17 is provided with a plurality of placing grooves 18, the plurality of placing grooves 18 are uniformly arranged from top to bottom, the front end inner wall of each long groove 17 is provided with a vertical groove 19, a movable block 20 is arranged in the groove 19 in a matching way, the rear end of the movable block 20 is movably provided with a horizontal screw 21, the first chain wheel 22 is positioned in the long groove 17 and in front of the long groove 17, the screw 21 is provided with a nut 23 in a matching way, the bottom end of the nut 23 is fixedly provided with a connecting block 24, the bottom end of the connecting block 24 is fixedly provided with an L-shaped rod 25, one end of a transverse rod of the L-shaped rod 25 is fixedly provided with an inserting block 26, the connecting block 24 is positioned at the other end of the transverse rod, the inserting block 26 can be inserted into one of the placing grooves 18, one end of a longitudinal rod of the L-shaped rod 25 is fixedly provided with a horizontal connecting rod 27, one end of the longitudinal rod of the L-shaped rod 25 is positioned at the front end of the connecting rod 27, the front end of each connecting rod 27 is provided with a through hole, a rotating rod 28 is arranged in the through hole in a matching way, the length of the rotating rod 28 is larger than that of the connecting rod 27, the rear end of the rotating rod is always positioned outside the connecting rod 27, the front end of the rotating rod 28 is fixedly provided with a second chain wheel 29, the rear ends of the two connecting rods 27 are fixedly connected through a second lever 30, the second lever 30 is located behind the supporting column 2, and the bottom plate 1 can be fixedly installed on the ground. For a trainer who is tall and can skillfully do pull-up movement, the other end of the second cord 14 is firstly unfastened from the circular ring, namely the second cord 14 is separated from the support plate 16, at the moment, the support plate 16 can be moved downwards, namely the support plate 16 is moved above the top surface of the bottom plate 1, the trainer can do pull-up training, and meanwhile, the soft cushion on the top surface of the support plate 16 can protect the trainer when the trainer falls down to the support plate 16; for a beginner who just starts to do pull-up action, the other end of the second cord 14 is tied on the ring, then the hook 38 at the other end of the first cord 7 is hung on the hanging ring 10, at the moment, the first cord 7 is connected with the counterweight 9, the beginner stands or kneels on the supporting plate 16, holds the first lever 3 with both hands, when the first cord passes through the counterweight 9 downwards, and is fixedly connected with the rotating shaft of the second cord wheel 6 through the rotating shaft of the first cord wheel 5, the supporting plate 16 can be driven to move upwards, the beginner is dragged to move upwards, assistance is performed on the beginner, the beginner can do pull-up action better, meanwhile, the upward thrust of the supporting plate 16 can be adjusted according to the need, namely, a plurality of counterweights 9 are connected together, the operation mode is that the hook 13 at the upper part of the adjacent upper and lower two counterweights 9 can be in hanging fit with the hanging sleeve 11 at the lower part, at the moment, the upper and lower clump weights 9 which are adjacent are connected together; for the short trainers, the rotating rod 28 can be rotated, the rotating rod 28 is located in the through hole of the connecting rod 27, the rotating rod 28 is fixedly connected with the second chain wheel 29 to drive the second chain wheel 29 to rotate, the second chain wheel 29 is movably connected with the first chain wheel 22 through a chain to drive the first chain wheel 22 to rotate, the first chain wheel 22 is fixedly connected with the screw rod 21 to drive the screw rod 21 to rotate, the screw rod 21 is in threaded fit with the nut 23, the nut 23 is fixedly connected with the connecting block 24 to drive the nut 24 to move forwards, the connecting block 24 is fixedly connected with the L-shaped rod 25, the transverse rod of the L-shaped rod 25 is fixedly connected with the inserting block 26 to drive the L-shaped rod 25 and the inserting block 26 to move forwards, so that the inserting block 26 moves out of the placing groove 18, the inserting block 26 and the L-shaped rod 25 are both located in the long groove 17, at this time, the adjustment is performed according to the height of the trainers, namely, then the rotating rod 28 is rotated reversely to drive the second chain wheel 29, the first chain wheel 22 and the screw rod 21 to rotate, so that the inserting block 26 moves backwards, the inserting block 26 is inserted into the other placing groove 18, the height of the connecting rod 27 is fixed, namely the height of the second lever 30 is fixed, the use requirements of trainees with different heights can be met, and the trainees can grasp the levers; for the trainee who is unskilled in the pull-up action, the second lever 30 is adjusted to a proper height, the trainer performs teaching operation on the trainer through the second lever 30 at the moment, and the trainer performs action training by using the first lever 3 at the same time, namely, the trainer and the trainee can perform action operation simultaneously, the trainee can correct the actions of the trainer, the trainee can master some action methods and action requirements more quickly, and the teaching efficiency is improved. By the aid of the pull-up training device, trainers with high height and skilled actions can use the first lever to perform normal training, a beginner can transmit upward force to the supporting plate 16 through downward force of the balancing weight 9 to assist, the beginner can finish pull-up actions, and for trainers with the height incapable of using the first lever, the height of the second lever 30 is adjusted to meet the use requirements of trainers with low height. Clump weight 9 moves down, and first take-up pulley 5 unwrapping wire, second take-up pulley 6 receipts line simultaneously, backup pad 16 rebound, clump weight 9 and backup pad 16's direction of motion opposite, and then can assist the help to the beginner, help beginner's health rebound, the completion chin action.

Specifically, the inner wall of the rear end of the elongated slot 17 in this embodiment is provided with a plurality of slots 31, the slots 31 are uniformly arranged, the bottom of the other end of the longitudinal rod of the L-shaped rod 25 is fixedly provided with a vertical block 32, the rear end of the vertical block 32 is fixedly provided with an insertion rod 33, and the insertion rod 33 can be inserted into one of the slots 31. The slot 31 is located the below of standing groove 18, and the inserted block 26 inserts to one of them standing groove 18 in, and riser 32 and L type pole 25 fixed connection can drive riser 32, inserted bar 33 and remove, make inserted bar 33 insert to the slot 31 in, can further improve connecting rod 27's stability, make connecting rod 27 keep the level, the structure is more stable.

Specifically, the cross section of the groove 19 in this embodiment is dovetail-shaped, and the cross section of the moving block 20 is dovetail-shaped. The matching of the groove 19 with the dovetail-shaped section and the moving block 20 can prevent the moving block 20 from moving out of the groove 19, and simultaneously, the screw 21 is kept in a horizontal state, so that the screw is more stable in use.

Further, the fixed cover 34 of fixed mounting is equallyd divide equally to the end that backs on the back of two connecting rods 27 described in this embodiment, and fixed cover 34 is located the rear of connecting rod 27, and sliding tray 35 is seted up respectively to the top surface both sides of bottom plate 1, and sliding tray 35 is located the rear of support column 2, and the sliding tray 35 fit in is equipped with sliding block 36, and vertical guide bar 37 of every sliding block 36 top fixed mounting, every guide bar 37 can pass a corresponding fixed cover 34. The connecting rod 27 can improve the stability through the cooperation of guide bar 37 and fixed cover 34 in the process of reciprocating up and down, and through the cooperation of sliding tray 35 and sliding block 36, guide bar 37 can carry out the back-and-forth movement along with connecting rod 27, also makes connecting rod 27 atress more stable in use simultaneously.

Further, this embodiment the front end fixed mounting circle piece 40 of rotary rod 28, circle piece 40 is located second sprocket 29 rear, through spring 39 fixed connection between circle piece 40 and the connecting rod 27 front end, the rotary rod passes spring 39, the spacing groove is equallyd divide equally to the back of two spinal branch daggers 2, the spacing groove is located the place ahead in rectangular groove 17, every spacing inslot cooperation is equipped with the stopper, one side fixed mounting L type branch of every stopper, the longitudinal rod of every L type branch and the front end swing joint of a rotary rod 28. Through the connection of spring 39, connecting rod 27 can avoid connecting rod 27 and second sprocket 29 to bump when moving forward, avoids second sprocket 29, connecting rod 27 to damage, and through the cooperation of L type branch and stopper, can avoid rotary rod 28 to move forward simultaneously, prevents to take place the dislocation between first sprocket and the second sprocket.

Furthermore, the counter is fixedly arranged on the top edge of the first lever 3 in the embodiment. The counter can count the trainees, and the trainees can train more attentively without understanding acquaintance.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. Sports exercise chin trainer, its characterized in that: comprises a bottom plate (1), vertical supporting columns (2) are fixedly installed on two sides of the front end of the top surface of the bottom plate (1) respectively, the top ends of the two supporting columns (2) are fixedly connected through a horizontal first lever (3), a vertical guide groove (4) is formed in the front of each supporting column (2), the inner walls of two sides of each guide groove (4) are movably connected through a first wire coiling wheel (5), the first wire coiling wheel (5) is positioned at the top of the guide groove (4), the opposite surfaces of the two supporting columns (2) are respectively and movably installed with second wire coiling wheels (6), the second wire coiling wheels (6) and the first wire coiling wheels (5) are positioned on the same horizontal plane, the rotating shaft of the second wire coiling wheels (6) is fixedly connected with the rotating shaft of the first wire coiling wheels (5), one end of a first wire rope (7) is fixedly connected onto the first wire coiling wheels (5), and a hook (38) is fixedly installed on the other end of the first, the first thread rope (7) is positioned in the guide grooves (4), three guide blocks (8) are arranged in each guide groove (4) in a matched mode, the three guide blocks (8) positioned in the same guide groove (4) are sequentially arranged from top to bottom, a balancing weight (9) is fixedly installed in front of each guide block (8), a hanging ring (10) is fixedly installed at the top end of the topmost balancing weight (9) in the three balancing weights (9) in front of each supporting column (2), a hook (38) can be in hanging fit with the hanging ring (10), hanging sleeves (11) are fixedly installed on two sides of each balancing weight (9), the hanging sleeves (11) are positioned above the balancing weights (9), fixed blocks (12) are fixedly installed on two sides of each balancing weight (9), the fixed blocks (12) are positioned below the balancing weights (9), and a hook body (13) is hinged to one side of the fixed blocks (12), the upper hook body (13) can be in hooking fit with the lower hanging sleeve (11), one end of a second rope (14) is fixedly connected to a second winding wheel (6), vertical grooves (15) are respectively formed in opposite surfaces of two support columns (2), a movable block is arranged in each vertical groove (15) in a matching mode, the two movable blocks are fixedly connected through a horizontal support plate (16), circular rings are respectively and fixedly installed on two sides of the top surface of the support plate (16), the other end of the second rope (14) is tied to the circular rings, the other ends of the two second rope (14) are respectively located on two sides of the support plate (16), a cushion is fixedly installed on the top surface of the support plate (16), long grooves (17) are respectively formed in the opposite surfaces of the two support columns (2), a plurality of placing grooves (18) are formed in the inner wall of the rear end of each long groove (17), the plurality of placing grooves (18) are uniformly arranged from top to bottom, a vertical groove (19) is formed in the inner wall of the front end of each, a moving block (20) is arranged in the groove (19) in a matched manner, a horizontal screw rod (21) is movably arranged at the rear end of the moving block (20), the screw rod (21) is positioned in the long groove (17), a first chain wheel (22) is fixedly arranged at the front end of the screw rod (21), the first chain wheel (22) is positioned in the long groove (17) and in front of the long groove (17), a nut (23) is arranged on the screw rod (21) in a matched manner, a connecting block (24) is fixedly arranged at the bottom end of the nut (23), an L-shaped rod (25) is fixedly arranged at the bottom end of the connecting block (24), an inserting block (26) is fixedly arranged at one end of a transverse rod of the L-shaped rod (25), the connecting block (24) is positioned at the other end of the transverse rod, the inserting block (26) can be inserted into one of the placing grooves (18), a horizontal connecting rod (27) is fixed at one end of a longitudinal rod of the L-shaped rod (25), and one end of the, the through-hole is seted up to the front end of every connecting rod (27), the through-hole fit in is equipped with rotary rod (28), the length of rotary rod (28) is greater than the length of connecting rod (27), front end fixed mounting second sprocket (29) of rotary rod (28), second sprocket (29) are located the front end of connecting rod (27), be located through chain swing joint between a second sprocket (29) and a first sprocket (22) of same root support column (2) one side, through second lever (30) fixed connection between the rear end of two connecting rods (27), second lever (30) are located the rear of support column (2).

2. The physical exercise pull-up training device of claim 1, wherein: the rear end inner wall of rectangular groove (17) set up several slot (31), several slot (31) align to grid, other end bottom fixed mounting riser (32) of the vertical pole of L type pole (25), the rear end fixed mounting inserted bar (33) of riser (32), inserted bar (33) can insert to in one of them slot (31).

3. The physical exercise pull-up training device of claim 1, wherein: the cross section of the groove (19) is dovetail-shaped, and the cross section of the moving block (20) is dovetail-shaped.

4. The physical exercise pull-up training device of claim 1, wherein: the back of the body end of two connecting rods (27) equally divide and do not fix cover (34) of fixed mounting, fixed cover (34) are located the rear of connecting rod (27), sliding tray (35) are seted up respectively to the top surface both sides of bottom plate (1), sliding tray (35) are located the rear of support column (2), sliding tray (35) fit in is equipped with sliding block (36), vertical guide bar (37) of every sliding block (36) top fixed mounting, every guide bar (37) can pass a fixed cover (34) that corresponds.

5. The physical exercise pull-up training device of claim 1, wherein: the front end fixed mounting circle piece (40) of rotary rod (28), circle piece (40) are located second sprocket (29) rear, through spring (39) fixed connection between circle piece (40) and connecting rod (27) front end, the rotary rod passes spring (39), the spacing groove is do not seted up equally to the back of the body of two spinal branch daggers (2), the spacing groove is located the place ahead in rectangular groove (17), every spacing inslot cooperation is equipped with the stopper, one side fixed mounting L type branch of every stopper, the longitudinal rod of every L type branch and the front end swing joint of a rotary rod (28).

6. The physical exercise pull-up training device of claim 1, wherein: the top edge of the first lever (3) is fixedly provided with a counter.