CN112090048A - Intelligent training equipment for simulating sitting posture cross-country skiing - Google Patents
Intelligent training equipment for simulating sitting posture cross-country skiing Download PDFInfo
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- 238000012549 training Methods 0.000 title claims abstract description 63
- 210000001364 upper extremity Anatomy 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000036544 posture Effects 0.000 abstract description 34
- 238000000034 method Methods 0.000 abstract description 16
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000004088 simulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
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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
- A63B69/18—Training appliances or apparatus for special sports for skiing
- A63B69/182—Training appliances or apparatus for special sports for skiing for cross-country-skiing
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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
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
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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
- A63B2244/00—Sports without balls
- A63B2244/19—Skiing
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Abstract
The invention discloses intelligent training equipment for simulating sitting posture cross-country skiing, which comprises a chassis, a training seat, a constant-resistance device, an adjustable snow cane guide rail and a snow cane inserting slide block mechanism, wherein the training seat is arranged on the chassis; the training seat comprises a seat base and a seat positioned on the seat base; the seat comprises a seat frame, a seat board force sensor, a seat back force sensor and a seat angle adjusting mechanism; the constant resistance device comprises a weight track, a connecting line, a steering pulley and a counterweight; the snow stick insertion sliding block mechanism comprises a snow stick sliding block, a pressure sensor at the end part of the snow stick and a snow stick connecting sleeve. The invention can realize the skiing process of simulating sitting postures, count the output work of upper limbs, synchronously measure the impulse force before the skiing, adjust the angle of the seat according to different athletes, realize the measurement of the posture and the stress of the unconventional skiing posture, and assist the athletes and trainers to better finish the skiing training process of indoor sitting postures.
Description
Technical Field
The invention relates to the technical field of sports equipment, in particular to intelligent training equipment for simulating sitting posture cross-country skiing.
Background
Cross-country skiing is a traditional project of winter olympic games, and the performance of cross-country skiing, especially sitting cross-country skiing, is very dependent on technical movements and the output power of the upper limbs of athletes. Cross-country skiing is a large-scale sport, and in outdoor snow farms, it is difficult for coaches to track athletes all the time to complete technical action supervision and correction. There is a need for a corresponding proprietary training device indoors to ensure that athletes can simulate outdoor cross-country skiing in local space.
There are also specific indoor ski training devices, such as the existing sitting ski simulation apparatus, which use two hands to pull two grips obliquely above, which are connected to the flywheel via a rope to provide resistance. The device calculates the upper limb output work by counting the flywheel speed. But the problem is that the statistics are output of the hand pulling force, not the work of the skiing action.
Although the prior art improves the equipment, a structure of the snow stick and the sliding rail is designed, the snow stick is connected with the sliding rail, the sliding rail is connected with the flywheel through a rope to provide resistance, and therefore the upper limb output work of skiing actions can be counted. Although previous research and design has been initially explored for simulating cross-country skiing, there are a number of problems, such as:
1. sitting skiing is a handicapped project, wherein different athletes relate to different disabled parts and have different force exerting modes, and the seat not only distinguishes sitting postures and kneeling postures, but also needs to meet the function of adjusting angles within a proper range;
2. for the current upper limb output work, the work of a flywheel or a balancing weight is completed by counting the skiing action, and whether other related parameters are used for assisting the statistics, such as the forward impulsive force of the ski in the skiing process can not be collected all the time;
3. the equipment can analyze the angles of all joints of a body through the gesture capture system, but does not acquire the boundary force of the human body, cannot perform accurate human body dynamics analysis, and cannot obtain the stress condition of the human body weight on muscle groups in the skiing process;
4. the correct skiing posture is that the two arms exert force in parallel, but the force is not uniform or cannot be exerted in parallel for the road condition on the spot in the cross-country skiing process, and the stress condition measurement and analysis of the body important muscle groups in the situation all need a specific slideway mode to assist the completion;
therefore, how to provide an intelligent training device for simulating sitting cross-country skiing is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides an intelligent training device for simulating cross-country skiing in sitting posture, so as to solve one of the problems presented in the background art, and the intelligent training device can realize the skiing process in sitting posture simulation, count the output power of upper limbs, synchronously measure the impulse force of the ski, adjust the angle of the seat according to different athletes, realize the posture and stress measurement of the unconventional skiing posture, and assist the athletes and the coach to better complete the indoor skiing training process in sitting posture.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent training device for simulating sitting posture cross-country skiing comprises a base frame, a training seat, a constant-resistance device, an adjustable snow cane guide rail and a snow cane inserting sliding block mechanism, wherein the training seat is installed on the base frame;
the training seat is arranged in the middle of the underframe and comprises a seat base and a seat positioned on the seat base; the seat base comprises a seat base bottom plate, a seat base pulley, a seat base slide rail, a seat base front end force sensor, a seat base front limit stop and a seat base rear limit stop; wherein the seat base slide is mounted on the chassis, the seat base pulley is mounted below the seat base floor, and the seat base pulley is in sliding fit with the seat base slide; the seat base front limit stop and the seat base rear limit stop are both arranged on the underframe and are respectively positioned at the rear of the front of the seat; the front end force sensor of the seat base is arranged on the front limit stop block of the seat base and corresponds to the bottom plate of the seat base;
the seat comprises a seat frame, a seat plate force sensor, a seat back force sensor and a seat angle adjusting mechanism; wherein the seat pan and the seat back are both mounted on the seat frame and the seat pan force sensor is located between the seat pan and the seat frame and the seat back force sensor is located between the seat back and the seat frame; the seat frame is arranged on the seat base bottom plate through the seat angle adjusting mechanism;
the constant resistance device is arranged in front of the training seat and comprises a weight track, a connecting line, a steering pulley and a counterweight, wherein the weight track is vertically arranged on the underframe, and the counterweight is arranged on the weight track in a sliding manner; the steering pulley is arranged at the top end of the weight track; one end of the connecting wire is connected with the counterweight, and the other end of the connecting wire is connected with the snow stick insertion sliding block mechanism by bypassing the steering pulley;
the adjustable snow stick guide rails are arranged behind the training seat, and two adjustable snow stick guide rails are symmetrically arranged and are respectively positioned on two sides of the training seat; one end of the adjustable snow stick guide rail, which is close to the training seat, is hinged with the underframe, and the other end of the adjustable snow stick guide rail is connected with the end part of the underframe through a guide rail angle adjusting mechanism;
the snow stick insertion slide block mechanism comprises a snow stick slide block, a pressure sensor at the end part of the snow stick and a snow stick connecting sleeve, wherein the snow stick slide block is embedded into the adjustable snow stick guide rail, is in sliding fit with the adjustable snow stick guide rail and is connected with the connecting wire; the snow stick connecting sleeve is hinged with the snow stick sliding block through a hinge; the pressure sensor at the end part of the snow stick is arranged between the snow stick connecting sleeve and the hinge.
The invention realizes the motion process of simulating sitting posture cross-country skiing; collecting upper limb output power in a sitting posture cross-country skiing process, a ski front impulsive force in the sitting posture cross-country skiing process and human body boundary stress, wherein the human body boundary stress mainly refers to supporting force transmitted to arms by a slide way through a ski pole, supporting force transmitted to buttocks by a seat and supporting force transmitted to a waist by a seat backrest; the adjustable chair angle and the adjustable slide way angle are realized through the structure so as to complete the measurement of various parameters under different chair angles and different slide way angles.
Preferably, in the above-mentioned intelligent training equipment of simulation position of sitting cross country skiing, still be provided with the seat retaining member on the seat base, the seat retaining member includes the check lock lever and locks the cap, the check lock lever bottom with chassis fixed connection, the top is passed the locking hole of seting up on the seat base bottom plate with the locking cap is connected, the check lock lever with locking hole clearance fit, and locking cap diameter is greater than the aperture in locking hole makes seat base bottom plate can take place certain displacement for the seat retaining member to the setting of locking cap has effectively prevented the side of turning on one's side of seat.
Preferably, in the intelligent training device for simulating cross-country skiing in sitting posture, the seat angle adjusting mechanism comprises two hinge support plates and two adjusting support plates, and the two hinge support plates are respectively hinged with two rear feet of the seat frame; the adjusting support plate is provided with an arc-shaped adjusting hole, two front feet of the seat frame are respectively connected with the corresponding adjusting support plate through seat positioning bolts, and the seat positioning bolts are positioned in the arc-shaped adjusting holes; after the nut of the seat positioning bolt is loosened, the seat positioning bolt can slide in the arc-shaped adjusting hole, and after the angle is adjusted, the nut of the seat positioning bolt is screwed down, so that the seat positioning bolt and the nut can be clamped at the current position of the adjusting support plate, and fixed positioning is realized.
Preferably, in the intelligent training device for simulating cross-country skiing in sitting posture, the counterweight comprises a weight, a weight sliding block and a weight mounting rod, and the weight sliding block is embedded in the weight track and is in sliding fit with the weight track; the weight installation pole with weight slider fixed connection, it is a plurality of the weight is installed on the weight installation pole, through the quantity of adjusting the weight, adjust the resistance.
Preferably, in the intelligent training device for simulating cross-country skiing in sitting posture, a guide pulley for guiding the connecting line is mounted on the underframe.
Preferably, in the above-mentioned intelligent training equipment of simulation position of sitting cross country skiing, guide rail angle adjustment mechanism is including adjusting fixed block and regulating arm, it installs to adjust the fixed block on the chassis, and be provided with guide rail positioning bolt on adjusting the fixed block, the bar regulation hole has been seted up on the regulating arm, guide rail positioning bolt stretches into in the bar regulation hole, behind the not hard up guide rail positioning bolt's the nut, can make guide rail positioning bolt be in slide in the bar regulation hole, adjust the angle after, screw up guide rail positioning bolt's nut, make guide rail positioning bolt and nut can press from both sides tightly the current position of regulating arm realizes fixed positioning.
Preferably, in the intelligent training device for simulating cross-country skiing in sitting posture, the connecting wire is a steel wire rope.
Preferably, in the intelligent training device for simulating cross-country skiing in sitting posture, a snow layer is inserted into the connecting sleeve of the snow layer, and the bottom end of the snow layer is inserted into the connecting sleeve of the snow layer and connected during training.
According to the technical scheme, compared with the prior art, the intelligent training equipment for simulating the cross-country skiing in the sitting posture is provided, by designing the structure and the mechanical sensor system, the skiing process in the sitting posture can be simulated, the output power of upper limbs can be counted, and the front impact force of the ski can be synchronously measured; the seat angle is adjusted according to different athletes, and the human body boundary force can be measured, so that the dynamic analysis of the human body is assisted to be completed, the gesture and stress measurement of the unconventional skiing posture is realized, and the indoor sitting skiing training process of the athletes and the coach is assisted to be completed better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIGS. 1-2 are perspective views of the present invention;
FIG. 3 is a schematic diagram of a training chair;
FIG. 4 is a schematic diagram of the stick-slip mechanism;
fig. 5 is a schematic structural diagram of the constant resistance device.
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.
The embodiment of the invention discloses intelligent training equipment for simulating sitting posture cross-country skiing, which can realize the process of simulating sitting posture skiing, count the output work of upper limbs, synchronously measure the front impulsive force of a ski, adjust the angle of a seat according to different athletes, realize the measurement of the posture and the stress of an unconventional skiing posture, and assist the athletes and a coach to better finish the indoor sitting posture skiing training process.
Example (b):
an intelligent training device for simulating sitting posture cross-country skiing comprises a base frame 1, a training seat 2, a constant resistance device 3, an adjustable snow cane guide rail 4 and a snow cane insertion sliding block mechanism 5, wherein the training seat 2 is installed on the base frame 1;
the training seat 2 is arranged in the middle of the underframe 1, and the training seat 2 comprises a seat base and a seat positioned on the seat base; the seat base comprises a seat base bottom plate 21, a seat base pulley 22, a seat base slide rail 23, a seat base front end force sensor, a seat base front limit stop 24 and a seat base rear limit stop 25; the seat base sliding rail 23 is arranged on the underframe 1, the seat base pulley 22 is arranged below the seat base bottom plate 21, and the seat base pulley 22 is in sliding fit with the seat base sliding rail 23; a seat base front limit stop 24 and a seat base rear limit stop 25 are both arranged on the underframe 1 and are respectively positioned at the rear of the front of the seat; the front end force sensor of the seat base is arranged on a front limit stop block 24 of the seat base and is arranged corresponding to the bottom plate 21 of the seat base;
the seat comprises a seat frame 26, a seat plate 27, a seat plate force sensor, a seat back 28, a seat back force sensor and a seat angle adjustment mechanism; wherein the seat pan 27 and the seat back 28 are both mounted on the seat frame 26, and the seat pan force sensor is located between the seat pan 27 and the seat frame 26, and the seat back force sensor is located between the seat back 28 and the seat frame 26; the seat frame 26 is mounted on the seat base bottom plate 21 through a seat angle adjusting mechanism;
the constant resistance device 3 is arranged in front of the training seat 2, the constant resistance device 3 comprises a weight track 31, a connecting line 32, a diverting pulley 33 and a counterweight 34, wherein the weight track 31 is vertically arranged on the underframe 1, and the counterweight 34 is slidably arranged on the weight track 31; the diverting pulley 33 is arranged at the top end of the weight track 31; one end of the connecting wire 32 is connected with a counterweight 34, and the other end of the connecting wire bypasses a diverting pulley 33 and is connected with the snow stick plug-in sliding block mechanism 5;
the adjustable snow stick guide rails 4 are arranged behind the training seat 2, and two adjustable snow stick guide rails 4 are symmetrically arranged and are respectively positioned on two sides of the training seat 2; one end of the adjustable snow stick guide rail 4 close to the training seat 2 is hinged with the underframe 1, and the other end is connected with the end part of the underframe 1 through a guide rail angle adjusting mechanism 41;
the snow stick insertion slide block mechanism 5 comprises a snow stick slide block 51, a snow stick end pressure sensor 52 and a snow stick connecting sleeve 53, wherein the snow stick slide block 51 is embedded into the adjustable snow stick guide rail 4, is in sliding fit with the adjustable snow stick guide rail 4 and is connected with the connecting wire 32; the snow stick connecting sleeve 53 is hinged with the snow stick sliding block 51 through a hinge; the snow stick end pressure sensor 52 is mounted between the snow stick connection sleeve 53 and the hinge.
In order to further optimize the technical scheme, the seat locking part 29 is further arranged on the seat base, the seat locking part 29 comprises a locking rod and a locking cap, the bottom end of the locking rod is fixedly connected with the underframe 1, the top end of the locking rod penetrates through a locking hole formed in the seat base bottom plate 21 and is connected with the locking cap, the locking rod is in clearance fit with the locking hole, the diameter of the locking cap is larger than that of the locking hole, certain displacement can be generated on the seat base bottom plate 21 relative to the seat locking part 29, and the locking cap is arranged to effectively prevent the seat from turning on one side.
In order to further optimize the above technical solution, the seat angle adjusting mechanism includes two hinge plates 210 and two adjusting plates 211, the two hinge plates 210 are respectively hinged with two rear legs of the seat frame 26; the adjusting support plate 211 is provided with an arc-shaped adjusting hole, two front legs of the seat frame 26 are respectively connected with the corresponding adjusting support plate 211 through seat positioning bolts, and the seat positioning bolts are positioned in the arc-shaped adjusting hole; after the nut of the seat positioning bolt is loosened, the seat positioning bolt can slide in the arc-shaped adjusting hole, and after the angle is adjusted, the nut of the seat positioning bolt is screwed down, so that the seat positioning bolt and the nut can be clamped at the current position of the adjusting support plate 211, and fixed positioning is realized.
In order to further optimize the technical scheme, the counterweight 34 comprises a weight, a weight sliding block and a weight mounting rod, wherein the weight sliding block is embedded into the weight track 31 and is in sliding fit with the weight track 31; weight installation pole and weight slider fixed connection, a plurality of weights are installed on weight installation pole, through the quantity of adjusting the weight, adjust the resistance.
In order to further optimize the above technical solution, a guide pulley 11 for guiding the connection line 32 is mounted on the chassis 1.
In order to further optimize the above technical scheme, guide rail angle adjustment mechanism 41 is including adjusting fixed block 42 and regulating arm 43, it installs on chassis 1 to adjust fixed block 42, and be provided with guide rail positioning bolt on adjusting fixed block 42, the bar regulation hole has been seted up on regulating arm 43, guide rail positioning bolt stretches into in the bar regulation hole, behind the nut of not hard up guide rail positioning bolt, can make guide rail positioning bolt slide in the bar regulation hole, after adjusting the angle, screw up guide rail positioning bolt's nut, make guide rail positioning bolt and nut can press from both sides the current position of pressing from both sides tightly at regulating arm 43, realize fixed location.
In order to further optimize the above technical solution, the connection line 32 is a steel wire rope.
In order to further optimize the technical scheme, the snow cane is inserted into the snow cane connecting sleeve 53, and the bottom end of the snow cane is inserted into the snow cane connecting sleeve 53 and connected during training.
In order to further optimize the technical scheme, the seat plate force sensor, the seat backrest force sensor, the seat base front end force sensor and the snow stick end pressure sensor 52 are electrically connected with the control host.
The working principle is as follows:
when the chair is used, a trainer firstly adjusts the angle of the training chair 2 according to the training posture, can enable the chair positioning bolt to slide in the arc-shaped adjusting hole after loosening the nut of the chair positioning bolt, and screws the nut of the chair positioning bolt after adjusting the angle, so that the chair positioning bolt and the nut can be clamped at the current position of the adjusting support plate 211 to realize fixed positioning; the angle of the slide way can be adjusted, the guide rail positioning bolt can slide in the strip-shaped adjusting hole after the nut of the guide rail positioning bolt is loosened, and the nut of the guide rail positioning bolt is screwed after the angle is adjusted, so that the guide rail positioning bolt and the nut can be clamped at the current position of the adjusting arm 43, and fixed positioning is realized;
after the adjustment is completed, the bottom end of the snow stick is inserted into the snow stick connecting sleeve 53 and connected; and meanwhile, the number of the weights is increased or decreased, and the required resistance is adjusted.
After finishing all above-mentioned adjustments, the training personnel sit on the seat, train, and the pressure data that seat plate force sensor, seat back force sensor, seat base front end force sensor, snow cane tip pressure sensor 52 will gather after the analog to digital converter conversion, send the control host computer to carry out the analysis, and the control host computer can be PLC controller or computer or industrial computer, and here is prior art, no longer gives unnecessary details.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An intelligent training device for simulating sitting posture cross-country skiing is characterized by comprising a bottom frame, a training seat, a constant-resistance device, an adjustable snow cane guide rail and a snow cane inserting slide block mechanism, wherein the training seat, the constant-resistance device, the adjustable snow cane guide rail and the snow cane inserting slide block mechanism are arranged on the bottom frame;
the training seat is arranged in the middle of the underframe and comprises a seat base and a seat positioned on the seat base; the seat base comprises a seat base bottom plate, a seat base pulley, a seat base slide rail, a seat base front end force sensor, a seat base front limit stop and a seat base rear limit stop; wherein the seat base slide is mounted on the chassis, the seat base pulley is mounted below the seat base floor, and the seat base pulley is in sliding fit with the seat base slide; the seat base front limit stop and the seat base rear limit stop are both arranged on the underframe and are respectively positioned at the rear of the front of the seat; the front end force sensor of the seat base is arranged on the front limit stop block of the seat base and corresponds to the bottom plate of the seat base;
the seat comprises a seat frame, a seat plate force sensor, a seat back force sensor and a seat angle adjusting mechanism; wherein the seat pan and the seat back are both mounted on the seat frame and the seat pan force sensor is located between the seat pan and the seat frame and the seat back force sensor is located between the seat back and the seat frame; the seat frame is arranged on the seat base bottom plate through the seat angle adjusting mechanism;
the constant resistance device is arranged in front of the training seat and comprises a weight track, a connecting line, a steering pulley and a counterweight, wherein the weight track is vertically arranged on the underframe, and the counterweight is arranged on the weight track in a sliding manner; the steering pulley is arranged at the top end of the weight track; one end of the connecting wire is connected with the counterweight, and the other end of the connecting wire is connected with the snow stick insertion sliding block mechanism by bypassing the steering pulley;
the adjustable snow stick guide rails are arranged behind the training seat, and two adjustable snow stick guide rails are symmetrically arranged and are respectively positioned on two sides of the training seat; one end of the adjustable snow stick guide rail, which is close to the training seat, is hinged with the underframe, and the other end of the adjustable snow stick guide rail is connected with the end part of the underframe through a guide rail angle adjusting mechanism;
the snow stick insertion slide block mechanism comprises a snow stick slide block, a pressure sensor at the end part of the snow stick and a snow stick connecting sleeve, wherein the snow stick slide block is embedded into the adjustable snow stick guide rail, is in sliding fit with the adjustable snow stick guide rail and is connected with the connecting wire; the snow stick connecting sleeve is hinged with the snow stick sliding block through a hinge; the pressure sensor at the end part of the snow stick is arranged between the snow stick connecting sleeve and the hinge.
2. The intelligent training equipment for simulating cross-country skiing according to claim 1, wherein a seat locking member is further arranged on the seat base, the seat locking member comprises a locking rod and a locking cap, the bottom end of the locking rod is fixedly connected with the bottom frame, the top end of the locking rod penetrates through a locking hole formed in a bottom plate of the seat base and is connected with the locking cap, the locking rod is in clearance fit with the locking hole, and the diameter of the locking cap is larger than the diameter of the locking hole.
3. An intelligent training apparatus simulating cross-country skiing as claimed in claim 1, wherein the seat angle adjustment mechanism comprises two hinge plates and two adjustment plates, the two hinge plates being hinged to the two rear feet of the seat frame respectively; the adjusting support plate is provided with an arc-shaped adjusting hole, two front legs of the seat frame are respectively connected with the corresponding adjusting support plate through seat positioning bolts, and the seat positioning bolts are located in the arc-shaped adjusting hole.
4. The intelligent training device for simulating seated cross-country skiing according to claim 1, wherein the counterweight comprises a weight, a weight slider and a weight mounting rod, the weight slider is embedded in the weight track and is in sliding fit with the weight track; the weight installation pole with weight slider fixed connection, it is a plurality of the weight is installed on the weight installation pole.
5. An intelligent training apparatus simulating seated cross-country skiing according to claim 1, wherein a guide pulley for guiding the connection line is mounted on the chassis.
6. The intelligent training device for simulating cross-country skiing according to claim 1, wherein the guide rail angle adjusting mechanism comprises an adjusting fixing block and an adjusting arm, the adjusting fixing block is mounted on the underframe and is provided with a guide rail positioning bolt, the adjusting arm is provided with a strip-shaped adjusting hole, and the guide rail positioning bolt extends into the strip-shaped adjusting hole.
7. An intelligent training device for simulating seated cross-country skiing according to claim 1, wherein the connecting wire is a steel wire rope.
8. The intelligent training device for simulating seated cross-country skiing according to claim 1, wherein a snow lever is inserted into the snow lever connection sleeve.
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| CN202011031230.6A CN112090048B (en) | 2020-09-27 | 2020-09-27 | Intelligent training equipment for simulating sitting cross-country skiing |
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| CN202011031230.6A CN112090048B (en) | 2020-09-27 | 2020-09-27 | Intelligent training equipment for simulating sitting cross-country skiing |
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| CN112915511A (en) * | 2021-01-25 | 2021-06-08 | 清华大学 | Sitting type cross-country skiing skill testing and simulation training platform for disabled people |
| CN112915510A (en) * | 2021-01-25 | 2021-06-08 | 清华大学 | Standing posture cross-country skiing skill testing and simulated training platform |
| CN112915509A (en) * | 2021-01-25 | 2021-06-08 | 清华大学 | A simulation skiing machine for disabled person's position of sitting skiing training and test |
| CN112973080A (en) * | 2021-03-17 | 2021-06-18 | 哈尔滨体育学院 | Gravity center assisting and stabilizing teaching aid for ice and snow physical exercise and teaching method thereof |
| CN113058249A (en) * | 2021-04-22 | 2021-07-02 | 北京大学 | Starting door force measuring handle for single board skiing training |
| CN113386846A (en) * | 2021-06-29 | 2021-09-14 | 清华大学 | Adjustable sitting type skiing device |
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| CN112915511A (en) * | 2021-01-25 | 2021-06-08 | 清华大学 | Sitting type cross-country skiing skill testing and simulation training platform for disabled people |
| CN112915510A (en) * | 2021-01-25 | 2021-06-08 | 清华大学 | Standing posture cross-country skiing skill testing and simulated training platform |
| CN112915509A (en) * | 2021-01-25 | 2021-06-08 | 清华大学 | A simulation skiing machine for disabled person's position of sitting skiing training and test |
| CN112915511B (en) * | 2021-01-25 | 2021-10-12 | 清华大学 | Sitting type cross-country skiing skill testing and simulation training platform for disabled people |
| CN112915510B (en) * | 2021-01-25 | 2021-10-12 | 清华大学 | Standing posture cross-country skiing skill testing and simulated training platform |
| CN112973080A (en) * | 2021-03-17 | 2021-06-18 | 哈尔滨体育学院 | Gravity center assisting and stabilizing teaching aid for ice and snow physical exercise and teaching method thereof |
| CN113058249A (en) * | 2021-04-22 | 2021-07-02 | 北京大学 | Starting door force measuring handle for single board skiing training |
| CN113386846A (en) * | 2021-06-29 | 2021-09-14 | 清华大学 | Adjustable sitting type skiing device |
| CN113786592A (en) * | 2021-10-13 | 2021-12-14 | 宁波大学 | Wearable force measurement ski pole system |
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