CN112843651B - Sail-swinging sports simulation device and physical training method - Google Patents
Sail-swinging sports simulation device and physical training method Download PDFInfo
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- CN112843651B CN112843651B CN202110020091.5A CN202110020091A CN112843651B CN 112843651 B CN112843651 B CN 112843651B CN 202110020091 A CN202110020091 A CN 202110020091A CN 112843651 B CN112843651 B CN 112843651B
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/06—Training appliances or apparatus for special sports for rowing or sculling
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/06—Training appliances or apparatus for special sports for rowing or sculling
- A63B2069/064—Training appliances or apparatus for special sports for rowing or sculling with pivoting handlebars
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Abstract
The invention relates to a sail-swinging sports simulation device and a sports training excitation method, which comprise a frame base (1) fixed on the ground, a boat plate (2) movably arranged on the frame base (1), a mast member (3) arranged on the boat plate (2), and a simulation assembly (4) arranged on the mast member (3); the ship plate member (2) comprises a ship plate base (9), a ship cover plate (10) arranged on the ship plate base (9) and a foot placing position (11) arranged on the ship cover plate (10). The invention has reasonable design, compact structure and convenient use.
Description
Technical Field
The invention relates to a sail-swinging sports simulation device and a physical training method, which are particularly suitable for sail-swinging sports, mother case CN202010128817.2, application date: 2020-02-28.
Background
As one of competition projects, training is mostly performed by means of water surface training, but the training is often limited by various conditions such as environment and weather, so that land simulation training is often performed to improve training efficiency and training effect.
Since the international interlining releases the rules that limit sailing, sailing has become a key factor in making winnings in sailboard competitions. Therefore, sailboard athletes in all countries strengthen the training of special physical ability and special skill of sail reeling with the help of auxiliary training instruments. The existing method is that the athlete grasps the rope with the arm, the rope is connected with the weight through the pulley (changing direction), the arm simulates the action of swinging the sail to do the back and forth movement to drive the weight to lift, the gravity of the weight is converted into the resistance of the arm movement of the athlete, and the athlete must try to make the upper limb and the whole body move coordinately to overcome the resistance. The resistance of this mode is generated by the weight of the weight and is a fixed value in motion. In addition, during the training process, various motion parameters and body parameters cannot be monitored and displayed in a real-time and quantitative manner, so that the sail swinging process cannot be analyzed and trained scientifically in a quantitative manner.
In fact, the resistance of the athlete during training and sail competition changes continuously along with the force, is a compliant resistance, is similar to an equal dynamic resistance, and is greatly different from the fixed resistance provided by the original land simple training instrument, so that the athlete feels uncoordinated and unrealistic, the physical ability of the athlete cannot be reasonably utilized in the training and the competition, the optimal sail shaking effect cannot be fully exerted, the sport performance is influenced, and sport injury is extremely easy to cause to the athlete. In order to avoid the influence of climate and weather and meet the requirement of scientific training, a land sail-reeling simulation training device which can simulate wind power as much as possible and realize reverse force application of athletes is developed, the wind resistance characteristic of the actual sailboard is simulated to the maximum extent, and the land sail-reeling simulation training device is a requirement of experts, coaches and athletes in the sailboard field in China for many years.
Although the CN200410035580.4 sailboard sail-reeling simulation training device and the CN201620202572.2 sail-reeling simulator provide two types of sail-reeling simulators, they cannot realize reasonable wind power simulation and reproduce the situation of simulated water surface, and in actual use, they will give an illusion to the athlete, thereby affecting the normal performance of the athlete in actual movement.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sail-swinging sports simulation device and a sports training excitation method. The innovation point of the invention is not limited to the following, and the instability of the water surface is simulated through the elasticity of the spring; the invention finds that the wind power in the same direction is basically stable on the sea surface, and can replace the wind power through the push rod, which is not possessed by the existing simulator, and the opposition to the wind power is realized through the reverse force application, thereby simulating and reproducing the force generation and action key points of the sea surface sail reeling as much as possible.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the invention has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the structure of the explosion of the present invention.
Fig. 3 is a partial structural schematic diagram of the present invention.
Fig. 4 is a block diagram of the fluid path control of the present invention.
Wherein: 1. a frame base; 2. a boat plate member; 3. a mast member; 4. a simulation component; 5. rotating the gear ring assembly; 6. an array of springs; 7. a central ball hinge; 8. a force sensor; 9. a deck base; 10. a boat deck; 11. a foot placement location; 12. adjusting the screw rod; 13. a mast gripper; 14. a universal articulated ball pair; 15. a universal buffer spring; 16. a universal lower buckle cover; 17. a universal lower inner groove; 18. a universal lower clamp spring; 19. a universal upper buckle cover; 20. a universal upper inner groove; 21. a universal upper clamp spring; 22. a mast lower connector; 23. a gantry rotating frame; 24. swinging the turnover plate; 25. simulating a wind power device; 26. swinging the pulling rope; 27. swinging the hoist; 28. a force-exerting component; 29. a hoisting ring; 30. a force-applying traction rope; 31. a tangential displacement adjustment assembly; 32. a wind power buffer spring; 33. a force generator; 34. a force-exerting cylinder body; 35. a force-exerting reciprocating valve core; 36. a force-generating liquid inlet pipeline; 37. a force-exerting liquid inlet; 38. a one-way spring valve for supplying liquid by force; 39. a force-applying return spring; 40. a one-way spring valve for outputting liquid by exerting force; 41. a liquid outlet hole of the power generating valve core; 42. a power-generating reversing valve; 43. a force-exerting one-way valve; 44. a force-exerting guide sleeve; 45. a force-exerting plunger cylinder; 46. a force-exerting reset spring; 47. an overflow valve with force.
Detailed Description
As shown in fig. 1 to 4, the sail-reeling sports simulation apparatus of the present embodiment is installed on land, i.e., indoors, and includes a frame base 1 fixed on the ground by anchor bolts, a board member 2 movably disposed on the frame base 1, a mast member 3 preferably a sail-reeling assembly disposed on the board member 2, or a general material such as engineering plastic or aluminum alloy, and a simulation assembly 4 disposed on the mast member 3;
as a basic structure, the deck member 2 includes a deck base 9, a deck plate 10 provided on the deck base 9, and a foot placement position 11 provided on the deck plate 10.
The ship plate member 2 comprises a central ball hinged member 7 with the lower end arranged at the center of the frame base 1, so that high-pair movement is realized, swinging in any direction is realized, the spring arrays 6 distributed around the central ball hinged member 7 can simulate the flexibility, the buffering property and the direction uncertainty of water, the swinging time is prolonged, and the swinging adjusting time of athletes is prolonged;
the upper end of the central ball hinge 7 is hinged with the lower end face of the preferred gravity center of the ship board base 9, and the stress is reasonable; the lower end of the ship board base 9 is connected with the spring array 6, and the force measuring sensor 8 is connected between the lower end of the ship board base 9 and the rack base 1, so that the training results of athletes can be monitored and collected.
Preferably, the following technical means may be used alone or in combination. The simulation component 4 is rotatably arranged on the rack base 1 through a rotating gear ring component 5;
the servo motor drives the simulation component 4 to rotate around the ship plate 2 through the rotating gear ring component 5; therefore, the simulation of wind direction in all directions is realized.
The simulation assembly 4 applies a force to the mast element 3, thereby simulating a sail reeling motion.
A universal joint component connected with a mast lower connector 22 at the lower end of the mast member 3 is arranged at one end of the upper surface of the ship cover plate 10;
the universal joint component comprises a universal hinged ball pair 14, the lower end of which is arranged on the ship cover plate 10, a universal lower buckle cover 16, a universal buffer spring 15, a universal lower inner groove 17, a universal lower snap spring 18, a universal upper buckle cover 19, a universal upper inner groove 20, a universal upper snap spring 21 and a universal upper snap spring 21, wherein the lower part of the universal hinged ball pair 14 is sleeved with the universal lower buckle cover 16, the universal lower snap spring 15 is arranged between the universal lower buckle cover 16 and the upper surface of the ship cover plate 10, the universal lower inner groove 17 is arranged on the inner wall of a through hole at the lower end of the universal lower buckle cover 16, the universal lower snap spring 18 is arranged in the universal lower inner groove 17 and clamped on the outer side wall of the universal hinged ball pair 14, the universal upper buckle cover 19 is sleeved on the upper part of the universal hinged ball pair 14, and the upper end of the universal upper buckle cover 21 is connected with a mast lower connector 22; thereby avoid the universal joint excessive wear through design benefit's spring and jump ring, realize the cushioning effect, guarantee the atress reasonable balance.
A balance weight is arranged in the inner cavity of the ship plate base 9;
an adjusting screw 12 for adjusting the mast height and a mast gripper 13 for a player to grip are provided on the mast element 3. Thereby realizing the balance and force application of the body.
The simulation assembly 4 comprises a gantry rotating frame 23 which is supported on the frame base 1 through rotation and rotates around the center of the central ball hinge part 7 of the ship plate part 2, a swinging turning plate 24 which swings on the gantry rotating frame 23 and is provided with a balance weight, and a simulation wind power device 25 which is arranged on the inner wall of the swinging turning plate 24 and is used for being in contact with the side wall of the mast part 3;
the hinge shaft of the swing turning plate 24 is arranged along the rotating horizontal tangential direction of the rotary support and can be a conventional component such as a motor drive, a gear drive and the like.
The simulated wind power device 25 comprises a gas spring rod or a hydraulic cylinder or a cylinder which is used for directly or indirectly contacting one side of the ship-winding plate member 2; preferably a hydraulic system.
At least two swing winches 27 are arranged on the gantry rotating frame 23, the lower end of one swing winch 27 is connected with the upper end of the swing turning plate 24 through a swing pulling rope 26, and the lower end of the other swing winch 27 is connected with the lower end of the swing turning plate 24 through another swing pulling rope 26; other swinging structures are possible, and the pull rope has good compatibility and flexibility.
Preferably, a tangential displacement adjusting component 31 is arranged on the rack base 1 along the horizontal tangential direction of the rotation of the rotary support, and the gantry rotating frame 23 is arranged on a tangential displacement seat of the tangential displacement adjusting component 31;
a wind damping spring 32 for contacting the mast member 3 is provided at the end of the wind simulator 25. Therefore, the wind direction and the wind angle can be simulated by multiple angles, multiple directions and multiple parts, and the training effect can be stimulated.
Preferably, the simulation assembly 4 comprises a force generating assembly 28 arranged on the frame base 1;
the power generation assembly 28 comprises a hanging ring 29 arranged at the top of the mast member 3, a power generation traction rope 30 with the lower end connected with the hanging ring 29, and a power generator 33 arranged on the frame base 1; thereby realizing the traction drive.
The power generator 33 comprises a power generating cylinder 34, a wind source or an oil tank, a power generating liquid inlet pipeline 36 which is connected with the wind source or the oil tank at a power generating liquid inlet 37 of the power generating cylinder 34, a power generating reciprocating valve core 35 arranged at the power generating cylinder 34, a power generating liquid one-way spring valve 38 which is arranged at an outlet of the power generating liquid inlet 37 and is used for sealing or opening in one way, a force-applying reset spring 39 arranged between the end faces of the force-applying reciprocating valve core 35 and the force-applying liquid inlet 37, a force-applying valve core liquid outlet 41 distributed on the force-applying liquid inlet one-way spring valve 38, a force-applying liquid outlet one-way spring valve 40 arranged at the outlet of the force-applying valve core liquid outlet 41 and used for sealing or opening in one way, a force-applying guide sleeve 44 on the gantry rotating frame 23, a force-applying plunger cylinder 45 which is movable in the force-applying guide sleeve 44, is internally provided with a force-applying reset spring 46 and has a hydraulic cavity communicated with a liquid outlet at the back side of the force-applying liquid outlet one-way spring valve 40, and a plunger head used for being in diameter or indirect contact with the other side of the mast element 3; therefore, intermittent liquid supply is realized, the lengthening of the plunger rod is realized to resist the action of the simulated wind power piston rod on the mast member, the mast member adopts a steel structure, and the polygon body can simulate multi-angle training, but the premise must be at least provided with two parallel side faces so as to apply wind power in a forward simulation mode and simulate counter force training on the back face.
The force-applying hauling rope 30 is connected with the back side of the force-applying liquid-discharging one-way spring valve 40.
An auxiliary variable pump is connected to the force-generating liquid inlet pipeline 36, so that pre-supply is realized, and the pressure suction difficulty caused by air pressure is avoided;
a force-applying reversing valve 42 is arranged between a liquid inlet of the force-applying plunger cylinder 45 and a liquid outlet at the back side of the force-applying liquid-discharging one-way spring valve 40, so that one more valve can be selected, and the force-applying one-way valve 43 avoids liquid backflow;
the two sides of the mast member 3 are both provided with the power generation plunger cylinders 45, and the power generation plunger cylinders 45 on the two sides are respectively connected with two outlets of the power generation reversing valve 42;
the hydraulic cavity of the power plunger cylinder 45 is externally connected with a power overflow valve 47. The length of the piston rod and the length of the plunger rod are adjustable, and the mast is preferably in a regular polygon prism structure, so that the defect of length adjustment is avoided.
The physical ability training method of the embodiment is realized by means of a training management device; the method includes at least the embodiment in the following modes;
aiming at a new athlete training mode, the method comprises the steps of firstly, adjusting the height of a mast through an adjusting screw 12 of a single or double athlete, and adjusting a balance weight in an inner cavity of a ship board base 9; then, standing at the corresponding foot placing position 11 and gripping the mast gripper 13 with a hand; secondly, balancing exercise is carried out on the ship cover plate 10 through the central ball hinged part 7, meanwhile, the spring array 6 carries out buffering, the time of the athlete for adjusting balance is prolonged, and the acting force required by the athlete for adjusting balance is recorded through the force measuring sensor 8;
for the simulation wind mode, comprising the step two, by means of the simulation component 4; firstly, a servo motor drives a simulation component 4 to rotate to a specified position around a ship plate 2 through a rotating gear ring component 5, the position of a gantry rotating frame 23 on the rotating gear ring component 5 is adjusted through a tangential displacement adjusting component 31, and/or the inclination angle of a swinging turning plate 24 is adjusted through driving a swinging winch 27; then, the simulated wind power device 25 is driven to apply force to the mast member 3; secondly, the athlete adjusts the angle of the mast piece 3 and the angle of the boat cover plate 10 through the mast gripper 13 and the center ball hinge 7, so that the body is kept balanced;
aiming at the force exercise mode, comprising the third step, by means of the force component 28; firstly, a sportsman shakes the mast member 3 to apply force, the side pressure force-applying plunger cylinder 45 overcomes the spring force of the force-applying reciprocating valve core 35 and the force-applying return spring 46, the force-applying traction rope 30 pulls the force-applying liquid-discharging one-way spring valve 40 away from the force-applying liquid-feeding pipeline 36, the force-applying liquid-feeding one-way spring valve 38 is opened by utilizing negative pressure, the force-applying liquid-discharging one-way spring valve 40 is closed, liquid or gas is supplemented into the liquid-feeding cavity of the force-applying cylinder body 34 through the force-applying liquid-feeding pipeline 36, and meanwhile, the gas or liquid in the liquid-feeding cavity of the force-applying cylinder body 34 is discharged to the side pressure force-applying plunger cylinder 45, so that the side pressure force-applying plunger cylinder 45 is lengthened to resist the external thrust of the simulation assembly 4 to carry out resistance connection; then, the athlete applies force reversely to reduce the swinging of the swinging mast piece 3, under the spring force action of the force applying reciprocating valve core 35 and the force applying return spring 46, the force applying liquid inlet one-way spring valve 38 is closed, the force applying liquid outlet one-way spring valve 40 is opened, and the liquid or gas supplemented in the liquid inlet cavity of the force applying cylinder 34 is supplemented into the liquid outlet cavity. Through the spring tractive, realize the buffering, avoid the collision, realize that the auxiliary position removes.
When the pressure in the force plunger cylinder 45 is higher than the set pressure, the liquid/gas is discharged through the force relief valve 47.
The present invention has been fully described for a clear disclosure and is not to be considered as an exemplification of the prior art.
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; it is obvious as a person skilled in the art to combine several aspects of the invention. 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 (6)
1. A sail-reeling sports simulation device is characterized in that: the simulation device is arranged on land and comprises a frame base (1) fixed on the ground, a ship plate (2) movably arranged on the frame base (1), a mast piece (3) arranged on the ship plate (2) and a simulation assembly (4) arranged on the mast piece (3); the ship plate member (2) comprises a ship plate base (9), a ship cover plate (10) arranged on the ship plate base (9) and a foot placing position (11) arranged on the ship cover plate (10); the ship plate piece (2) comprises a central ball hinge piece (7) with the lower end arranged at the center of the rack base (1) and spring arrays (6) distributed around the central ball hinge piece (7); the upper end of the central ball hinge (7) is hinged with the lower end face of the center of gravity of the ship board base (9); the lower end of the ship plate base (9) is connected with the spring array (6), and a force measuring sensor (8) is connected between the lower end of the ship plate base (9) and the rack base (1);
the simulation component (4) is rotatably arranged on the rack base (1) through a rotating gear ring component (5); the servo motor drives the simulation assembly (4) to rotate around the ship plate (2) through the rotating gear ring assembly (5); the simulation assembly (4) applies force to the mast member (3).
2. The sail-reeling sports simulation device according to claim 1, wherein the simulation assembly (4) comprises a gantry rotating frame (23) which is supported on the frame base (1) by rotation and rotates around the center of the central ball hinge (7) of the deck (2), a swinging turning plate (24) which swings on the gantry rotating frame (23) and is provided with a balance weight, and a simulation wind power device (25) which is arranged on the inner wall of the swinging turning plate (24) and is used for contacting with the side wall of the mast member (3); the hinged shaft of the swinging turning plate (24) is arranged along the rotating horizontal tangential direction of the rotary support, and the wind power simulation device (25) comprises a gas spring rod or a hydraulic cylinder or an air cylinder which is used for being in direct or indirect contact with one side of the ship-winding plate piece (2); at least two swing winches (27) are arranged on the gantry rotating frame (23), the lower end of one swing winch (27) is connected with the upper end of the swing turning plate (24) through a swing pulling rope (26), and the lower end of the other swing winch (27) is connected with the lower end of the swing turning plate (24) through another swing pulling rope (26); a tangential displacement adjusting component (31) is arranged on the rack base (1) along the horizontal tangential direction of the rotation of the rotary support, and the gantry rotating frame (23) is arranged on a tangential displacement seat of the tangential displacement adjusting component (31); a wind force buffer spring (32) for contacting with the mast member (3) is arranged at the end part of the wind force simulation device (25).
3. The sail-reeling sports simulation device according to claim 1, characterised in that the simulation assembly (4) comprises a force generating assembly (28) arranged on the frame base (1); the force generating assembly (28) comprises a lifting ring (29) arranged at the top of the mast member (3), a force generating traction rope (30) with the lower end connected with the lifting ring (29), and a force generator (33) arranged on the frame base (1); the power generator (33) comprises a power generating cylinder body (34), a wind source or an oil tank, a power generating liquid inlet pipeline (36) connected with the wind source or the oil tank at a power generating liquid inlet (37) of the power generating cylinder body (34), a power generating reciprocating valve core (35) arranged at the power generating cylinder body (34), a power generating liquid one-way spring valve (38) arranged at the outlet of the power generating liquid inlet (37) and used for sealing or opening in one direction, a power generating return spring (39) arranged between the power generating reciprocating valve core (35) and the side end face of the power generating liquid inlet (37), a power generating valve core liquid outlet hole (41) distributed on the power generating liquid one-way spring valve (38), a power generating liquid one-way spring valve (40) arranged at the outlet of the power generating valve core liquid outlet hole (41) and used for sealing or opening in one direction, a power generating guide sleeve (44) arranged on the gantry rotating frame (23), a plunger head movable in the power generating guide sleeve (44) and used for being in diameter or indirect contact with the other side of the mast member (3) and internally provided with a power generating return spring (46) ) And the hydraulic cavity is communicated with a liquid outlet at the back side of the force-exerting liquid-discharging one-way spring valve (40) to form a force-exerting plunger cylinder (45); the force-applying traction rope (30) is connected with the back side of the force-applying liquid outlet one-way spring valve (40).
4. The sail-reeling sports simulation device according to claim 3, wherein an auxiliary variable pump is connected to the power-generating liquid inlet pipe (36); a force-applying reversing valve (42) and/or a force-applying one-way valve (43) are/is arranged between a liquid inlet of the force-applying plunger cylinder (45) and a liquid outlet at the back side of the force-applying liquid-discharging one-way spring valve (40); the two sides of the mast piece (3) are respectively provided with a force-applying plunger cylinder (45), and the force-applying plunger cylinders (45) at the two sides are respectively connected with two outlets of the force-applying reversing valve (42); the hydraulic cavity of the power plunger cylinder (45) is externally connected with a power overflow valve (47).
5. A physical ability training method is characterized in that by means of a training management device; the method includes at least one of the following modes; aiming at a new athlete training mode, the method comprises the following steps that firstly, the height of a mast is adjusted through a single or double athlete adjusting screw rod (12), and a balance weight in an inner cavity of a ship plate base (9) is adjusted; then, standing at the corresponding foot placing position (11), and grasping the mast gripper (13) with a hand; secondly, balancing exercise is carried out on the ship cover plate (10) through the central ball hinged piece (7), meanwhile, the spring array (6) buffers, the time of the athlete for adjusting balance is prolonged, and the acting force required by the athlete for adjusting balance is recorded through the force measuring sensor (8); for the simulated wind mode, comprising a second step of, by means of a simulation component (4); firstly, a servo motor drives a simulation component (4) to rotate to a specified position around a ship plate (2) through a rotating gear ring component (5), the position of a gantry rotating frame (23) on the rotating gear ring component (5) is adjusted through a tangential displacement adjusting component (31), and/or the inclination angle of a swinging turning plate (24) is adjusted through driving a swinging winch (27); then, driving a simulated wind power device (25) to apply force to the mast member (3); secondly, the athlete adjusts the angle of the mast piece (3) and the angle of the boat cover plate (10) through the mast gripper (13) and the central ball hinge piece (7), so that the body is kept balanced; aiming at the force application exercise mode, comprising a third step, by means of a force application component (28); firstly, an athlete shakes a mast piece (3) to apply force, a side pressure force-applying plunger cylinder (45) overcomes the spring force of a force-applying reciprocating valve core (35) and a force-applying reset spring (46), a force-applying traction rope (30) pulls a force-applying liquid outlet one-way spring valve (40) away from a force-applying liquid inlet pipeline (36), a force-applying liquid inlet one-way spring valve (38) is opened by utilizing negative pressure, the force-applying liquid outlet one-way spring valve (40) is closed, liquid or gas is supplemented into a liquid inlet cavity of a force-applying cylinder body (34) through the force-applying liquid inlet pipeline (36), and meanwhile, gas or liquid in the liquid outlet cavity of the force-applying cylinder body (34) is discharged to the side pressure force-applying plunger cylinder (45), so that the side pressure force-applying plunger cylinder (45) is lengthened to resist the external thrust of a simulation assembly (4) to perform resistance relation; then, the athlete applies force reversely to reduce the swinging of the swinging mast piece (3), under the spring force action of the force applying reciprocating valve core (35) and the force applying return spring (46), the force applying liquid inlet one-way spring valve (38) is closed, the force applying liquid outlet one-way spring valve (40) is opened, and liquid or gas supplemented in the liquid inlet cavity of the force applying cylinder body (34) is supplemented into the liquid outlet cavity.
6. The physical training method according to claim 5, wherein the liquid/gas is discharged through the force relief valve (47) when the pressure in the force plunger cylinder (45) is higher than the set pressure.
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CN202010128817.2A CN111298409B (en) | 2020-02-28 | 2020-02-28 | Training management equipment for athlete performance |
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SU598612A1 (en) * | 1976-12-25 | 1978-03-25 | Таганрогский радиотехнический институт им. В.Д.Калмыкова | Training appliance for sailboat sportsmen |
CN1597028A (en) * | 2004-08-18 | 2005-03-23 | 中国海洋大学 | Sail boarding sail sculling device |
TW200921582A (en) * | 2007-11-02 | 2009-05-16 | Ind Tech Res Inst | Force feedback and interactive system |
CN207822456U (en) * | 2018-01-12 | 2018-09-07 | 中国海洋大学 | A kind of yachtsman's go to action training device |
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CN111298409A (en) | 2020-06-19 |
CN111298409B (en) | 2021-04-09 |
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