CN110694231B

CN110694231B - Sports apparatus for training muscle strength

Info

Publication number: CN110694231B
Application number: CN201910964010.XA
Authority: CN
Inventors: 卜保国; 顾春华; 王静平; 李俊萍; 漆小敏
Original assignee: Anhui Polytechnic University
Current assignee: Anhui Polytechnic University
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2021-04-16
Anticipated expiration: 2039-10-11
Also published as: CN110694231A

Abstract

The invention discloses a sports apparatus for training muscle strength, which comprises support columns, a fixing plate, a seat plate, a holding rod and a device body, wherein two parallel support columns are arranged at two ends of the device body, and the bottom ends of the support columns are provided with round platform-shaped support seats. According to the invention, the holding rod is provided with the holding block, and one side of the outer side wall of the sealing column is connected with the adjusting pipe, so that the adjusting pipe is convenient to play a role of a valve in the muscle training process, the adjusting pipe plays a role of a switch on the valve, when a trainer loosens the holding block or suddenly slips the holding rod to separate from the holding block, the sealing plug is reset under the action of the first reset spring to seal the air guide groove, the falling of the balancing weight is limited, the damage caused by the instant reset of the balancing weight after the trainer slips the holding rod is avoided, the fixed plate can limit the falling height of the holding rod in the falling process of the holding rod, the damage caused by the abnormal falling of the holding rod to the trainer is avoided, and the use safety of the device is improved.

Description

Sports apparatus for training muscle strength

Technical Field

The invention relates to the technical field of sports equipment, in particular to a sports equipment for training muscle strength.

Background

The sports equipment is a general term of various equipment, equipment and articles used in competitive sports competition and body-building exercise, the sports equipment and sports are interdependent and mutually promoted, the popularization of sports and the diversification of sports items lead the variety and specification of sports equipment to be developed, the sports equipment with the same excellent quality, stable performance and safety and reliability not only can ensure that the competitive competition is carried out under the impartial and fierce conditions, but also creates necessary material conditions for promoting the improvement of the exercise level, the human body is an organic whole formed by various organ systems, when carrying out sports activities, the human body looks like only muscles are in activity, the organs such as the respiration and the blood circulation of the body are all in the activity, and all the organs are coordinated by commanding of cerebral cortex, the preparation activity is just for improving the excitation of nerve cells of the large cortex, the preparation activity can lead the body temperature to be slightly raised, the muscle and the tendon are in good state, and the elasticity and the extensibility are good, so that the muscle and the tendon are not pulled or torn due to sudden contraction.

At present, the most security performance of sports apparatus of current training muscle strength is lower, in-process at training muscle strength, most can all carry out the physical training of limit and just can promote muscle strength, human being most comparatively tired out in training later stage, and training intensity is unchangeable, then cause very easily at the in-process of training because training personnel grip the less reset in the twinkling of an eye that causes the apparatus of dynamics, when the apparatus resets in the twinkling of an eye, cause the damage to the training person easily, the apparatus that causes resets in the twinkling of an eye when the training person can not support training strength, still cause to pull easily training person's muscle or tear, and be not convenient for promote the security that the apparatus used and the multifunctionality of training.

Disclosure of Invention

The invention aims to provide a sports apparatus for training muscle strength, which solves the problems that most existing sports apparatuses for training muscle strength in the background art are low in safety performance, most existing sports apparatuses for training muscle strength can only perform extreme physical training to improve muscle strength in the process of training muscle strength, most human bodies are tired in the later stage of training, the training strength is inconvenient, instant resetting of the apparatus is easily caused due to small holding force of a trainer in the training process, when the apparatus is reset instantly, the trainer is easily damaged, and when the apparatus is reset instantly due to incapability of supporting the training strength, the muscle of the trainer is easily pulled or torn, so that the safety of using the apparatus and the multi-functionality of training are inconvenient to improve.

In order to achieve the purpose, the invention provides the following technical scheme: a sports apparatus for training muscle strength comprises support columns, a fixing plate, a seat plate, a holding rod and an apparatus body, wherein two parallel support columns are arranged at two ends of the apparatus body, round platform-shaped support seats are arranged at the bottom ends of the support columns, a first fixing rod is horizontally welded between the top ends of the support columns at two ends, the seat plate is horizontally welded between the bottom ends of the support columns at two ends, a fixing frame is welded at the bottom end of the outer side wall of the support columns at two ends of the apparatus body, which is far away from one side, a sealing column is welded at the bottom end of the inner side of the fixing frame, a limiting plate is welded on the outer side wall of the fixing frame right above the sealing column, a first piston groove is arranged in the sealing column, a slide rod is inserted into the top of the sealing column, the bottom end of the slide rod extends into the first piston groove and is provided with a first piston matched with, an extrusion spring is arranged between the bottom of the first piston and the first piston groove, one side of the top end of the outer side wall of the sealing column is connected with an adjusting pipe, a partition plate is arranged at the middle position inside the adjusting pipe, the adjusting pipe at one side of the partition plate close to the sealing column is internally provided with a second piston groove, an air guide groove is arranged between the adjusting pipe at the position of the second piston groove and the sealing column and is communicated with the first piston groove and the second piston groove, a third piston groove is arranged inside the adjusting pipe at one side of the partition plate far away from the second piston groove, a guide rod is inserted on the partition plate, one end of the guide rod extends into the second piston groove and is provided with a sealing plug matched with the air guide groove, the other end of the guide rod extends into the third piston groove and is provided with a second piston matched with the third piston groove, and a first reset spring is arranged outside the guide rod between the second piston and the partition plate, the outer side wall of the adjusting pipe at the position of one side of the second piston, which is close to the partition board, is provided with an air inlet, the adjusting pipe at the position of the second piston groove is provided with an air guide port, the outer side wall of the support column above the fixing frame is provided with two mounting rods which are perpendicular to the support column, one ends of the mounting rods, which are far away from the support column, are provided with fixed pulleys, the middle position at the top of the support plate is connected with two first steel wire ropes, the top of the support plate at the outer side of the first steel wire ropes is provided with a balancing weight, one ends of the two first steel wire ropes, which are far away from the balancing weight, are respectively wound on the outer sides of the fixed pulleys at the upper end and the lower end and are provided with connectors, the same side of the outer side of the, the device comprises a device body, wherein first guide posts are welded at the bottom of the outer sides of fixing plates at two ends of the device body, second guide posts are welded at the top ends of the inner sides of the fixing plates at the two ends of the device body, guide grooves are formed in the second guide posts and the first guide posts, connecting rods are inserted in the top portions of the second guide posts and the top portions of the first guide posts, movable blocks matched with the guide grooves are arranged at the bottom ends of the connecting rods, the top ends of the connecting rods extend to the upper portions of the guide posts and are provided with mounting seats, fixing holes are formed in the mounting seats, openings are formed in the outer side walls of the first guide posts and the second guide posts at the bottom end positions of the guide posts, guide wheels are arranged at the opening positions, second steel wire ropes are connected to the bottoms of the movable blocks, one ends, far away from the movable blocks, of the second steel wire ropes are wound on the outer sides of the guide wheels and are provided with connecting seats, and the connecting head and the connecting seat are both provided with through holes matched with the first fixing bolt, a holding rod is detachably arranged between the mounting seats on the first guide posts at the two ends of the device body, the two ends of the holding rod are both provided with mounting grooves, fixing screws matched with the fixing holes are mounted inside the mounting grooves, one ends of the fixing screws extend to the outer side of the holding rod and are provided with nuts, the two ends of the holding rod are both provided with first internal thread holes matched with the fixing screws, the two ends of the inside of the holding rod at one side, close to each other, of the mounting grooves are both provided with fourth piston grooves, piston rods perpendicular to the holding rod are inserted on the outer side walls of the holding rod at the positions of the fourth piston grooves, the bottom ends of the piston rods are both provided with third pistons matched with the fourth piston grooves, a second reset spring is arranged between the bottom of the third pistons and the fourth piston grooves, the top ends of the piston rods extend to the outer side of the holding rod and are welded with holding blocks parallel to the holding, the holding rod of fourth piston tank bottom position department inside all is equipped with the air channel, the one end that the fourth piston tank was kept away from to the air channel extends to holding rod lateral wall position department and is connected with the air duct, and the one end that the holding rod was kept away from to both ends air duct is connected with the air inlet on the both ends governing tube respectively.

Preferably, the inside one end of bedplate is equipped with first slot, and the bedplate inside of first slot one side is equipped with the second slot, and the one end that first slot and second slot kept away from each other all extends to bedplate lateral wall position department, and the inside bottom of first slot is equipped with first spout, and the inside bottom of second slot is equipped with the second spout, and the inside interlude of first slot has first fly leaf, and the inside interlude of second slot has the second fly leaf, and the bottom of second fly leaf and first fly leaf all is equipped with respectively with first spout and second spout matched with slider.

Preferably, the connecting rods in the first guide post are all arc-shaped, and the connecting rods in the second guide post are vertical.

Preferably, the top of movable rod is equipped with the movable groove with bracing piece matched with, and the equidistant even arrangement in movable rod lateral wall one side of movable groove position department has arranged the ann and has changeed the hole, and the interlude has second fixing bolt on the ann changes the hole, and the bottom of bracing piece lateral wall is equipped with the second internal thread hole with second fixing bolt matched with.

Compared with the prior art, the invention has the beneficial effects that:

1: through the both ends at the bedplate have alternate first fly leaf and second fly leaf respectively to be equipped with first guide post and second guide post respectively in the outside of fixed plate and inboard, be convenient for utilize first fly leaf and the effect of second fly leaf cooperation adjustment bedplate on the one hand, inside first fly leaf and the contraction of second fly leaf to the bedplate, then the bedplate acts as the seat and uses, when first fly leaf and second fly leaf pull out the bedplate, then the bedplate forms the shape of similar bed board with the fly leaf this moment and supplies the training person to lie flat and train, the dual training of arm position muscle can be carried out to first guide post and second guide post on the other hand, promote the training effect of muscle strength.

2: have the bracing piece through the bottom articulation at the fixed plate, and be equipped with the movable rod in the outside of bracing piece bottom, be convenient for utilize the movable rod to cooperate the height of adjustment fixed plate bottom with the bracing piece on the one hand, the inclination of adjustment fixed plate, the training person of the different heights of being convenient for uses, on the other hand utilizes the fixed plate at both ends to restrict the descending height of holding rod, can not produce the contact with training person's health at the in-process that the holding rod descends unusually, then hoisting device is carrying out the security of muscle training in-process.

3: be equipped with the balancing weight through the top at the backup pad to utilize wire rope and pulley to cooperate the weight transmission to holding rod position department with the balancing weight, make the holding rod unanimous all the time at the strength size that the in-process that carries out the muscle training received, promote the effect of muscle training.

4: the holding rod is provided with the holding block, one side of the outer side wall of the sealing column is connected with the adjusting pipe, the adjusting pipe is convenient to play a role of a valve in the process of carrying out muscle training, the adjusting pipe plays a role of a switch on the valve, when a trainer normally trains to hold the holding blocks at two ends of the holding rod, air in the fourth piston groove is extruded to enter the third piston groove, the second piston and the sealing plug are forced to move rightwards, the air guide groove is opened, the first piston can freely move in the first piston groove at the moment, the trainer can carry out muscle training, when the trainer loosens the holding block or suddenly slips the holding rod to separate from the holding block, the sealing plug resets under the action of the first reset spring to seal the air guide groove, the balancing weight is utilized to extrude the first piston to enable the interior of the first piston groove to generate negative pressure, and the sealing performance of the sealing plug is improved, then restrict the whereabouts of balancing weight, avoid the balancing weight to restore to the throne in the twinkling of an eye behind training person's slippage holding rod and cause the damage, and the fixed plate can also restrict the whereabouts height of holding rod at holding rod whereabouts in-process, avoids the unusual whereabouts of holding rod to cause the damage to training person, the security that hoisting device used.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a front view of the fixing frame of the present invention;

FIG. 4 is an enlarged view of the interior of the adjusting tube of the present invention;

FIG. 5 is a schematic view of the internal structure of a first guide post according to the present invention;

FIG. 6 is a schematic view of the internal structure of a second guide post according to the present invention;

FIG. 7 is a schematic view of the internal structure of the grip of the present invention;

FIG. 8 is a schematic view of the internal structure of the seat plate of the present invention;

FIG. 9 is an enlarged view of the inside of the movable rod of the present invention;

fig. 10 is a schematic view of the internal structure of the connector base and the connector after being plugged.

In the figure: 1. a support pillar; 2. a fixing plate; 3. a fixed pulley; 4. a fixed mount; 5. a first wire rope; 6. a seat plate; 7. a second movable plate; 8. sealing the column; 9. a supporting seat; 10. a second fixing bar; 11. a second guide post; 12. a movable rod; 13. a second fixing bolt; 14. a support bar; 15. a first guide post; 16. a holding rod; 17. a mounting seat; 18. a device body; 19. a first fixing lever; 20. mounting a rod; 21. a balancing weight; 22. an air duct; 23. a connector; 24. a second wire rope; 25. a connecting seat; 26. a guide wheel; 27. a limiting plate; 28. a support plate; 29. a first piston groove; 30. a compression spring; 31. a first piston; 32. a slide bar; 33. an adjusting tube; 34. an air inlet; 35. an air guide port; 36. a connecting rod; 37. a guide groove; 38. an opening; 39. a movable block; 40. a fixing hole; 41. a gas guide groove; 42. a sealing plug; 43. a second piston groove; 44. a partition plate; 45. a guide bar; 46. a second piston; 47. a third piston groove; 48. a first return spring; 49. a first chute; 50. a first movable plate; 51. a first slot; 52. a second slot; 53. a second chute; 54. a through hole; 55. a first fixing bolt; 56. mounting grooves; 57. a piston rod; 58. a fourth piston groove; 59. a holding block; 60. a first internally threaded bore; 61. fixing the screw rod; 62. a nut; 63. a vent channel; 64. a second return spring; 65. a third piston; 66. a second internally threaded bore; 67. a movable groove; 68. and (7) installing holes.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-10, an embodiment of the present invention is shown: a sports apparatus for training muscle strength comprises support columns 1, a fixed plate 2, a seat plate 6, a holding rod 16 and a device body 18, wherein two parallel support columns 1 are arranged at two ends of the device body 18, a round table-shaped support seat 9 is arranged at the bottom end of each support column 1, a first fixed rod 19 is horizontally welded between the top ends of the support columns 1 at the two ends, the seat plate 6 is horizontally welded between the bottom ends of the support columns 1 at the two ends, a first slot 51 is arranged at one end inside the seat plate 6, a second slot 52 is arranged inside the seat plate 6 at one side of the first slot 51, the ends, far away from each other, of the first slot 51 and the second slot 52 extend to the outer side wall position of the seat plate 6, a first sliding groove 49 is arranged at the bottom end inside the first slot 51, a second sliding groove 53 is arranged at the bottom end inside the second slot 52, a first movable plate 50 is inserted inside the first slot 51, a second movable plate 7, and the bottom ends of the second movable plate 7 and the first movable plate 50 are all provided with sliding blocks respectively matched with the first sliding groove 49 and the second sliding groove 53, the bottom ends of the outer side walls of the two ends of the supporting columns 1 at the sides far away from each other of the device body 18 are all welded with the fixed frame 4, the bottom ends of the inner sides of the fixed frame 4 are all welded with the sealing columns 8, the outer side wall of the fixed frame 4 right above the sealing columns 8 is welded with the limiting plate 27, the inside of the sealing columns 8 is provided with a first piston groove 29, the top of the sealing columns 8 is inserted with a sliding rod 32, the bottom ends of the sliding rod 32 extend into the first piston groove 29 and are provided with a first piston 31 matched with the first piston groove 29, the top ends of the sliding rod 32 extend to the upper side of the limiting plate 27 and are provided with the supporting plate 28, an extrusion spring 30 is arranged between the bottom of the first piston 31 and the first piston groove 29, a second piston groove 43 is arranged inside the adjusting pipe 33 at one side of the partition plate 44 close to the sealing column 8, an air guide groove 41 is arranged between the adjusting pipe 33 at the position of the second piston groove 43 and the sealing column 8, the air guide groove 41 is communicated with the first piston groove 29 and the second piston groove 43, a third piston groove 47 is arranged inside the adjusting pipe 33 at one side of the partition plate 44 far away from the second piston groove 43, a guide rod 45 is inserted on the partition plate 44, one end of the guide rod 45 extends to the inside of the second piston groove 43 and is provided with a sealing plug 42 matched with the air guide groove 41, the other end of the guide rod 45 extends to the inside of the third piston groove 47 and is provided with a second piston 46 matched with the third piston groove 47, a first return spring 48 is arranged outside the guide rod 45 between the second piston 46 and the partition plate 44, an air inlet 34 is arranged on the outer side wall of the adjusting pipe 33 at one side of the second piston 46 close to the partition plate 44, and an air guide port 35 is arranged on the adjusting pipe 33 at the, the outer side wall of the support column 1 above the fixed frame 4 is provided with two installation rods 20 vertical to the support column 1, one ends of the installation rods 20 far away from the support column 1 are all provided with fixed pulleys 3, the middle position of the top of the support plate 28 is connected with two first steel wire ropes 5, the top of the support plate 28 outside the first steel wire ropes 5 is provided with a balancing weight 21, one ends of the two first steel wire ropes 5 far away from the balancing weight 21 are respectively wound on the outer sides of the fixed pulleys 3 at the upper end and the lower end and provided with connectors 23, the same side of the outer side wall of the support column 1 is obliquely and downwards hinged with a fixed plate 2, one end of the fixed plate 2 far away from the support column 1 is hinged with a support rod 14, the bottom end of the support rod 14 is sleeved with a movable rod 12, the top of the movable rod 12 is provided with a movable groove 67 matched with the support rod 14, the bottom of the outer side wall of the support rod 14 is provided with a second inner threaded hole 66 matched with a second fixing bolt 13, a second fixing rod 10 is welded between the movable rod 12 and the support column 1, the bottom of the outer sides of the fixing plates 2 at the two ends of the device body 18 is welded with a first guide column 15, the top of the inner sides of the fixing plates 2 at the two ends is welded with a second guide column 11, the second guide column 11 and the first guide column 15 are both internally provided with guide grooves 37, the top of the second guide column 11 and the top of the first guide column 15 are both inserted with connecting rods 36, the bottom of the connecting rods 36 is provided with movable blocks 39 matched with the guide grooves 37, the top of the connecting rods 36 extends to the upper part of the guide columns and is provided with a mounting seat 17, the mounting seat 17 is both provided with fixing holes 40, the connecting rods 36 inside the first guide column 15 are both arc-shaped, the connecting rods 36 inside the second guide column 11 are vertical, the outer side walls of the first guide column 15 and the second guide column 11 at the bottom of the guide grooves 37 are both provided with, the position of the opening 38 is provided with a guide wheel 26, the bottom of the movable block 39 is connected with a second steel wire rope 24, one end of the second steel wire rope 24 far away from the movable block 39 is wound on the outer side of the guide wheel 26 and is provided with a connecting seat 25 matched with the connecting head 23, a first fixing bolt 55 is inserted in the connecting seat 25, the connecting head 23 and the connecting seat 25 are both provided with through holes 54 matched with the first fixing bolt 55, a holding rod 16 is detachably arranged between the mounting seats 17 on the first guide posts 15 at the two ends of the device body 18, the two ends of the holding rod 16 are both provided with mounting grooves 56, a fixing screw 61 matched with the fixing hole 40 is mounted in each mounting groove 56, one end of each fixing screw 61 extends to the outer side of the holding rod 16 and is provided with a nut 62, the two ends of the holding rod 16 are both provided with a first internal threaded hole 60 matched with the fixing screw 61, the two ends of the holding rod 16 close to one, the outer side wall of the holding rod 16 at the position of the fourth piston groove 58 is inserted with a piston rod 57 perpendicular to the holding rod 16, the bottom end of the piston rod 57 is provided with a third piston 65 matched with the fourth piston groove 58, a second return spring 64 is arranged between the bottom of the third piston 65 and the fourth piston groove 58, the top end of the piston rod 57 extends to the outer side of the holding rod 16 and is welded with a holding block 59 parallel to the holding rod 16, the inside of the holding rod 16 at the position of the bottom end of the fourth piston groove 58 is provided with a vent groove 63, one end of the vent groove 63 far away from the fourth piston groove 58 extends to the position of the outer side wall of the holding rod 16 and is connected with an air duct 22, and one end of the air duct 22 at two ends far away from the holding rod 16 is respectively connected with the air inlet 34 on the.

The working principle is as follows: when muscle training is needed, the training mode is selected as needed, the second steel wire rope 24 and the first steel wire rope 5 at the position of the first guide column 15 or the second guide column 11 are connected with the connector 23 through the connecting seat 25, the first guide column 15 or the second guide column 11 at two ends are connected with the counterweight 21, whether the first movable plate 50 and the second movable plate 7 are pulled out of the seat plate 6 or not is selected, when normal muscle training is needed, the first movable plate 50 and the second movable plate 7 are kept to be contracted in the seat plate 6, the second steel wire rope 24 and the first steel wire rope 5 at the position of the first guide column 15 are connected with the connector 23 through the connecting seat 25, a human body sits on the seat plate 6, holds the rod 16 and the holding block 59, air in the fourth piston groove 58 is conveyed to the third piston groove 47 in the process of squeezing the holding block 59, so that the sealing plug 42 is forced to be opened, at this time, the first piston slot 29 is communicated with the outside air through the air guide port 35, so that the support plate 28 and the counterweight 21 can freely move along with the pulling of the steel wire rope, and muscle exercise is performed, when muscle exercise intensity needs to be enhanced, the first movable plate 50 and the second movable plate 7 are pulled out, the nut 62 fixed on the first guide post 15 is loosened, the fixing screw 61 is rotated to be matched with the first internal threaded hole 60 to enable the fixing screw 61 to be contracted into the installation groove 56, at this time, the fixing screws 61 at both ends are separated from the fixing hole 40 on the installation seat 17 at the position of the first guide post 15, the fixing screws 61 at both ends of the holding rod 16 are aligned with the fixing hole 40 on the second guide post 11, and the fixing screw 61 is rotated to be inserted into the fixing hole 40 to be fixed by the nut 62, the second steel wire rope 24 is replaced to be connected with the first steel wire rope 5 at the position of the second guide post 11, and the trainer lies on, hold the holding rod 16 and hold the piece 59 and upwards promote the holding rod 16 and carry out the muscle training, in two kinds of training mode in-process, when the training person unclamp hold piece 59 or both hands slippage holding rod 16 break away from and hold behind the piece 59 suddenly, sealing plug 42 resets under first reset spring 48's effect and seals air guide groove 41, and utilize balancing weight 21 extrusion first piston 31 to make the inside of first piston groove 29 produce the negative pressure, promote sealing plug 42's leakproofness, then restrict balancing weight 21's whereabouts, avoid balancing weight 21 to restore to the throne in the twinkling of an eye behind training person slippage holding rod 16 and cause the damage, and fixed plate 2 can also restrict the whereabouts height of holding rod 16 in holding rod 16 whereabouts in-process, avoid holding rod 16 unusual whereabouts to cause the damage to the training person, the security that the hoisting device used.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sports apparatus of training muscular strength, includes support column (1), fixed plate (2), bedplate (6), holding rod (16) and device body (18), its characterized in that: the device is characterized in that two ends of the device body (18) are provided with two supporting columns (1) which are parallel to each other, the bottom ends of the supporting columns (1) are provided with supporting seats (9) which are round tables, a first fixing rod (19) is horizontally welded between the top ends of the supporting columns (1) at two ends, a seat plate (6) is horizontally welded between the bottom ends of the supporting columns (1) at two ends, a fixing frame (4) is welded at the bottom end of the outer side wall of one side of the device body (18) which is far away from the supporting columns (1) at two ends, a sealing column (8) is welded at the bottom end of the inner side of the fixing frame (4), a limiting plate (27) is welded on the outer side wall of the fixing frame (4) right above the sealing column (8), a first piston groove (29) is arranged inside the sealing column (8), a sliding rod (32) is inserted into the top of the sealing column (8), the bottom end of the sliding rod (32) The top end of the sliding rod (32) extends to the position limiting plate (27) and is provided with a supporting plate (28), an extrusion spring (30) is arranged between the bottom of the first piston (31) and the first piston groove (29), one side of the top end of the outer side wall of the sealing column (8) is connected with an adjusting pipe (33), a partition plate (44) is arranged at the middle position inside the adjusting pipe (33), the partition plate (44) is close to the adjusting pipe (33) on one side of the sealing column (8), a second piston groove (43) is arranged inside the adjusting pipe (33) on the position of the second piston groove (43) and the sealing column (8), an air guide groove (41) is arranged between the adjusting pipe (33) and the sealing column (8), the air guide groove (41) is communicated with the first piston groove (29) and the second piston groove (43), a third piston groove (47) is arranged inside the adjusting pipe (33) on one side of the second piston groove (43) far away from, a guide rod (45) is inserted on the partition plate (44), one end of the guide rod (45) extends into the second piston groove (43) and is provided with a sealing plug (42) matched with the air guide groove (41), the other end of the guide rod (45) extends into the third piston groove (47) and is provided with a second piston (46) matched with the third piston groove (47), a first reset spring (48) is arranged on the outer side of the guide rod (45) between the second piston (46) and the partition plate (44), an air inlet (34) is arranged on the outer side wall of the adjusting pipe (33) at the position of one side of the second piston (46) close to the partition plate (44), an air guide port (35) is arranged on the adjusting pipe (33) at the position of the second piston groove (43), two mounting rods (20) vertical to the support column (1) are arranged on the outer side wall of the support column (1) above the fixing frame (4), the device is characterized in that one end of the mounting rod (20) far away from the supporting column (1) is provided with a fixed pulley (3), the middle position of the top of the supporting plate (28) is connected with two first steel wire ropes (5), the top of the supporting plate (28) outside the first steel wire ropes (5) is provided with a balancing weight (21), one end of each first steel wire rope (5) far away from the balancing weight (21) is respectively wound on the outer side of the fixed pulley (3) at the upper end and the lower end and provided with a connector (23), the same side of the outer side wall of the supporting column (1) is obliquely and downwards hinged with a fixed plate (2), one end of each fixed plate (2) far away from the supporting column (1) is hinged with a supporting rod (14), the bottom end of each supporting rod (14) is sleeved with a movable rod (12), a second fixed rod (10) is welded between each movable rod (12) and the supporting column (1), the bottom, second guide post (11) have all been welded on the inboard top of both ends fixed plate (2), second guide post (11) all are equipped with guide way (37) with the inside of first guide post (15), connecting rod (36) have all been alternate at the top of second guide post (11) and first guide post (15), the bottom of connecting rod (36) is equipped with and guide way (37) matched with movable block (39), the top of connecting rod (36) all extends to the guide post top and is equipped with mount pad (17), and all is equipped with fixed orifices (40) on mount pad (17), first guide post (15) and second guide post (11) lateral wall one side of guide way (37) bottom position department all are equipped with opening (38), and opening (38) position department is equipped with leading wheel (26), the bottom of movable block (39) is connected with second wire rope (24), the one end that second wire rope (24) kept away from movable block (39) is established in the leading wheel (26) outside around establishing and establishing around the leading wheel (26), and establish the second wire rope (24) outside The device is characterized by comprising a connecting seat (25) matched with a connecting head (23), wherein a first fixing bolt (55) is inserted into the connecting seat (25), through holes (54) matched with the first fixing bolt (55) are formed in the connecting head (23) and the connecting seat (25), a holding rod (16) is detachably mounted between mounting seats (17) on first guide columns (15) at two ends of a device body (18), mounting grooves (56) are formed in two ends of the holding rod (16), fixing screw rods (61) matched with fixing holes (40) are mounted inside the mounting grooves (56), one ends of the fixing screw rods (61) extend to the outer side of the holding rod (16) and are provided with nuts (62), first internal threaded holes (60) matched with the fixing screw rods (61) are formed in two ends of the holding rod (16), fourth piston grooves (58) are formed in two ends of the mounting grooves (56) close to two ends of the holding rod (16) on one side, a piston rod (57) which is vertical to the holding rod (16) is inserted on the outer side wall of the holding rod (16) at the position of the fourth piston groove (58), the bottom end of the piston rod (57) is provided with a third piston (65) matched with the fourth piston groove (58), a second return spring (64) is arranged between the bottom of the third piston (65) and the fourth piston groove (58), the top end of the piston rod (57) extends to the outer side of the holding rod (16) and is welded with a holding block (59) which is parallel to the holding rod (16), the inner parts of the holding rods (16) at the bottom end positions of the fourth piston grooves (58) are provided with vent grooves (63), one end of the vent groove (63) far away from the fourth piston groove (58) extends to the position of the outer side wall of the holding rod (16) and is connected with a gas guide pipe (22), and one ends of the air ducts (22) at the two ends, which are far away from the holding rod (16), are respectively connected with air inlets (34) on the adjusting pipes (33) at the two ends.

2. A sporting apparatus for exercising muscular strength as recited in claim 1, wherein: the utility model discloses a seat plate, including bedplate (6), bedplate (6) and first slot (51), the inside one end of bedplate (6) of first slot (51) one side is equipped with second slot (52), the one end that first slot (51) and second slot (52) kept away from each other all extends to bedplate (6) lateral wall position department, the inside bottom of first slot (51) is equipped with first spout (49), the inside bottom of second slot (52) is equipped with second spout (53), the inside interlude of first slot (51) has first fly leaf (50), the inside interlude of second slot (52) has second fly leaf (7), and the bottom of second fly leaf (7) and first fly leaf (50) all is equipped with respectively with first spout (49) and second spout (53) matched with slider.

3. A sporting apparatus for exercising muscular strength as recited in claim 1, wherein: the connecting rods (36) in the first guide columns (15) are all arc-shaped, and the connecting rods (36) in the second guide columns (11) are vertical.

4. A sporting apparatus for exercising muscular strength as recited in claim 1, wherein: the top of movable rod (12) is equipped with and has laid down a hole (68) with bracing piece (14) matched with movable groove (67), and the equidistant even arrangement in movable rod (12) lateral wall one side of movable groove (67) position department has been put and has been waited to change hole (68), has alternate second fixing bolt (13) on waited to change hole (68), and the bottom of bracing piece (14) lateral wall be equipped with second fixing bolt (13) matched with second internal thread hole (66).