Magnetic resistance type cross-country skiing special training feedback system
Through magnetoresistive design and symmetrical adjustment mechanism, the flexibility and real-time data monitoring of cross-country ski training equipment are solved, personalized training experience and scientific training are realized, and competitive level is improved.
Patent Information
- Application Number
- CN202421623851.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-07-10
AI Technical Summary
Existing cross-country ski training equipment is not conducive to flexible use, it is difficult to monitor training quality in real time, the resistance mode is slow to respond and the data is inaccurate, which affects the training effect.
The magnetoresistive design is adopted, and the magnetic field strength and magnetoresistance are adjusted by adjusting the distance between the pole back plate and the steel disk. Combined with a symmetrical design and a two-side adjustment mechanism, it achieves uniform and accurate control of resistance, and is equipped with sensors to record training data in real time.
Provide personalized training experience, improve the scientificity and effectiveness of training, adapt to a variety of skiing scenarios, monitor training progress in real time, and improve competitive level.
Smart Images
Figure CN223144076U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of skiing training, and particularly relates to a magnetic resistance cross-country skiing special training feedback system. Background Art
[0002] In recent years, cross-country skiing, as a winter sports event with high challenges and technical content, has received increasing attention at home and abroad; with the continuous improvement of the competitive level, the physical fitness and technical training requirements for athletes are becoming increasingly strict; however, at present, the cross-country skiing training equipment at home and abroad mainly includes ski machines or tensioners. Although these traditional equipment can help athletes carry out special strength training to a certain extent, there are many deficiencies.
[0003] Firstly, traditional training equipment often occupies a large area and is heavy, making it difficult to move, which greatly limits its flexibility in use; especially when moving to different places or conducting outdoor training, this inconvenience is more prominent, making it difficult to meet the diverse training needs of athletes in different scenarios.
[0004] Secondly, the real-time monitoring and scientific evaluation of training quality are important issues in current training; traditional equipment often cannot record and analyze athletes' training data in real time, making it difficult for coaches to accurately grasp the training status of athletes and unable to adjust the training plan in a timely and effective manner.
[0005] In addition, the resistance mode of traditional equipment mainly increases resistance through a wind wheel. This resistance method is not sensitive in response and has poor data accuracy, unable to provide stable and accurate resistance simulation for athletes, thus affecting the training effect. Content of the Utility Model
[0006] The utility model provides a magnetic resistance cross-country skiing special training feedback system, aiming to solve the problems that existing training equipment such as ski machines and tensioners are not conducive to flexible use; it is difficult to monitor the training quality in real time and unable to provide accurate data for coaches to adjust the training plan; the resistance mode is slow in response and inaccurate in data, affecting the training effect.
[0007] The utility model is realized as follows: a magnetic resistance cross-country skiing special training feedback system includes a connecting cover plate.
[0008] A damping adjustment system provided on the connection cover plate; the damping adjustment system includes: first shields symmetrically arranged on both sides of the upper surface of the connection cover plate; second shields are arranged on one side of each of the two first shields away from the connection cover plate; adjustment cavities are formed in each of the two second shields; magnetic pole back plates are arranged on the inner sides of the two adjustment cavities; first threaded holes are formed in the middle positions of the two magnetic pole back plates; second threaded holes are formed through one side of each of the two second shields away from the first shield; manual bolts penetrate through the corresponding first threaded holes and second threaded holes, and the manual bolts are in threaded fit with the first threaded holes and the second threaded holes; steel discs are arranged in the two adjustment cavities, and the two steel discs are distributed opposite to the corresponding second threaded holes; magnets are arranged on one side of each of the two magnetic pole back plates opposite to the steel disc.
[0009] Preferably, the damping adjustment system further includes: guide columns arranged in the adjustment cavities; the guide columns are in sliding fit with the magnetic pole back plates.
[0010] Preferably, a first bearing is arranged on one side of the first shield away from the second shield, a top column is arranged in the first bearing, a top block is arranged at one end of the top column extending into the adjustment cavity, and the top block is distributed opposite to the screw rod.
[0011] Preferably, a group of support plates are symmetrically arranged on the outer side of the first shield, a roller is arranged on the outer side of one of the support plates adjacent to the second shield, and the same roller shaft is arranged between the other support plate and the roller, and a nylon rope is wound around the roller shaft.
[0012] Preferably, a group of second bearings are arranged on the outer side of the first shield, large pulley shafts are arranged in each of the two second bearings, and an elastic rope is wound around the two large pulley shafts.
[0013] Preferably, a group of symmetrically arranged adjustment grooves are formed in the outer wall of one side of the upper surface of the connection cover plate, and the two first shields are in sliding fit with the corresponding adjustment grooves.
[0014] Preferably, a number of adjustment holes are formed through the outer wall of the first shield, and adjustment needles are arranged between each of the number of adjustment holes and the corresponding adjustment groove.
[0015] Preferably, the manual bolt includes a screw head and a screw rod, wherein the cross section of the screw head is in the shape of a handwheel, and the screw rod partially penetrates through the corresponding first threaded hole and second threaded hole.
[0016] Preferably, a sheath is arranged on the bottom side of the nylon rope, and a handle is arranged at one end of the sheath away from the nylon rope.
[0017] Preferably, an accelerometer sensor is arranged in the handle.
[0018] Compared with the prior art, the embodiments of the present application mainly have the following beneficial effects:
[0019] First: The present utility model realizes a personalized training experience. By adjusting the manual bolt, the distance between the magnetic pole back plate and the steel disc can be accurately controlled, thereby flexibly adjusting the magnetic field intensity and the magnetic resistance. This adjustable resistance change enables the system to simulate various skiing scenarios and difficulty levels, providing a personalized training experience for athletes. Whether it is primary training or advanced simulation, it can be customized according to the needs of the athletes, effectively improving the training effect and competitive level.
[0020] Second: The present utility model adopts a symmetric design and a bilateral adjustment mechanism to ensure that the resistance received by the athlete during training is uniform. This design not only improves the scientific nature and effect of training, but also helps the athlete better adapt to the challenges of different skiing scenarios. At the same time, the setting of the sheath protects the nylon rope from wear and the erosion of the external environment, extends its service life, and improves the safety of operation.
[0021] Third: The cooperation between the adjustment needle and the adjustment hole of the present utility model ensures the stability and accuracy of the adjustment process, prevents the shaking or deviation of the components, improves the overall fluency and comfort of the operation, thereby achieving the purpose of adjusting the distance between the two grips, and thus can conveniently adapt to users of different heights. This personalized adjustment method makes the entire system more flexible and changeable, and can meet the needs of a wider range of people.
[0022] Fourth: The structure of the present utility model is simple. Through the design of a flexible adjustment device, the training equipment can adapt to a variety of different training scenarios. Through the sensor, the training indicators of the athlete can be recorded and analyzed in real time. Coaches and athletes can view the training data at any time and anywhere, understand the training progress and effect, and thus adjust the training plan in a timely manner to improve the training quality. This real-time monitoring function provides strong support for scientific training and helps to improve the overall competitive level of the sports team. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is a front structural schematic diagram of the present utility model;
[0024] Figure 2 is a side view of the present utility model;
[0025] Figure 3 is a front structural schematic diagram of the present utility model;
[0026] Figure 4 is a side view of the present utility model;
[0027] Figure 5 is a front structural schematic diagram of the present utility model;
[0028] Figure 6 is a schematic structural diagram of the damping adjustment system of the present utility model;
[0029] In the figure: 1. Connecting cover plate; 2. First shield; 3. Second shield; 4. Pole back plate; 5. First threaded hole; 6. Second threaded hole; 7. Manual bolt; 8. Steel disc; 9. Magnet; 10. Guide post; 11. First bearing; 12. Jack post; 13. Jack block; 14. Support plate; 15. Roller; 16. Roller shaft; 17. Second bearing; 18. Large pulley shaft; 19. Nylon rope; 20. Adjustment groove; 21. Adjustment hole; 22. Adjustment needle; 23. Screw head; 24. Screw rod; 25. Elastic cord; 26. Sheath; 27. Handle; 28. Accelerometer sensor. Specific embodiments
[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above drawings are used to distinguish different objects and not to describe a specific order.
[0031] Reference to "embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.
[0032] The embodiment of the present utility model provides a magnetoresistive cross-country skiing special training feedback system, as Figure 1-6As shown in the figure, it includes a connecting cover plate 1; a damping adjustment system provided on the connecting cover plate 1; the damping adjustment system includes: first shields 2 symmetrically arranged on both sides of the upper surface of the connecting cover plate 1; second shields 3 are arranged on the sides of the two first shields 2 away from the connecting cover plate 1; adjustment cavities are formed in the two second shields 3; magnetic pole backplates 4 are arranged on the inner sides of the two adjustment cavities; first threaded holes 5 are arranged in the middle positions of the two magnetic pole backplates 4; second threaded holes 6 are penetrated and opened on the sides of the two second shields 3 away from the first shields 2; manual bolts 7 penetrate through the corresponding first threaded holes 5 and second threaded holes 6, and the manual bolts 7 are in threaded cooperation with the first threaded holes 5 and the second threaded holes 6; steel discs 8 are arranged in the two adjustment cavities, and the two steel discs 8 are distributed opposite to the corresponding second threaded holes 6; magnets 9 are arranged on the sides of the two magnetic pole backplates 4 opposite to the steel discs 8.
[0033] It should be noted that due to the problems that existing training equipment such as ski machines and tensioners are not conducive to flexible use; it is difficult to monitor the training quality in real time and unable to provide accurate data for coaches to adjust the training plan; the resistance mode is slow to respond and the data is inaccurate, affecting the training effect, the structure of this solution is simple and flexible, strongly supports scientific training, improves the overall competitive level, and the personalized training experience allows athletes to customize training according to different needs, improving the training effect; the symmetrical design and bilateral adjustment ensure the scientific nature of training, and the uniform resistance helps athletes adapt to diverse skiing scenarios; the cooperation between the adjustment needle 22 and the adjustment hole 21 improves the operation stability and adapts to users of different heights; the training data is recorded and analyzed in real time, helping coaches and athletes accurately master the training status and adjust the plan in time.
[0034] Specifically, in this embodiment, this solution mainly includes a connecting cover plate 1; when this device is used, this equipment is firmly hung on a crossbeam or parallel bars. Magnets 9 are configured on the opposite surfaces of the magnetic pole backplates 4 and the steel discs 8 in the system, and they jointly construct a strong magnetic field; when the manual bolt 7 is rotated, it will accurately move along the first threaded hole 5 and the second threaded hole 6, thereby finely adjusting the distance between the magnetic pole backplate 4 and the steel disc 8; in this process, the thread pair plays a key role, enabling the torque to be transmitted along the axial direction of the bolt, thereby generating a stretching effect similar to a spring; the greater the applied torque, the more significant the elongation of the bolt, and thus the greater the clamping force generated; if the bolt is rotated in the reverse direction, the clamping force will gradually decrease, and the bolt will return to its original length.
[0035] The distance between the magnet 9 and the steel disc 8 is the key factor determining the magnitude of the resistance; as this distance changes, the intensity of the magnetic field will also be adjusted accordingly, thereby causing a significant change in the magnetic resistance; the change in the magnetic resistance is directly reflected in the resistance exerted on the athlete by the system: when the magnetic resistance increases, the resistance felt by the athlete will also increase accordingly; conversely, when the magnetic resistance decreases, the resistance decreases; this flexibly adjustable resistance change can simulate a variety of skiing scenarios and difficulty levels, providing athletes with a personalized training experience;
[0036] In addition, the system adopts a symmetric design and a bilateral adjustment mechanism, ensuring that the resistance received by the athlete during training is uniform, thus greatly improving the training effect; this design not only enhances the scientific nature of training, but also helps athletes better adapt to the challenges of different skiing scenarios and improve their competitive level.
[0037] In a further preferred embodiment of the present utility model, as Figure 6 shown, the damping adjustment system further includes: a guide post 10 disposed in the adjustment cavity; the guide post 10 is slidably engaged with the magnetic pole back plate 4.
[0038] In this embodiment, when the manual bolt 7 is rotated, the magnetic pole back plate 4 can stably move in the adjustment cavity under the guidance of the guide post 10 without deviation or inclination. This sliding fit not only ensures the smooth movement of the magnetic pole back plate 4, but also can more precisely control the distance between the magnetic pole back plate 4 and the steel disc 8, thereby realizing fine adjustment of the magnetic resistance. This adjustment mechanism enables the system to quickly and accurately adjust the magnitude of the resistance according to the training requirements, providing athletes with a personalized training experience.
[0039] In a further preferred embodiment of the present utility model, as Figure 6 shown, a first bearing 11 is provided on the side of the first shield 2 away from the second shield 3. A top post 12 is disposed inside the first bearing 11. One end of the top post 12 extending into the adjustment cavity is provided with a top block 13, and the top block 13 is distributed opposite to the screw rod 24.
[0040] In this embodiment, by precisely restricting the moving distance of the magnetic pole back plate 4 in the adjustment cavity, the magnetic resistance type cross-country skiing special training feedback system can achieve a more refined resistance adjustment function. This design enables the system to provide a resistance feedback that better suits the training goals according to the personalized needs of athletes.
[0041] In a further preferred embodiment of the present utility model, as Figure 1 - Figure 6As shown, a set of support plates 14 are symmetrically arranged on the outer side of the first shield 2. Among them, a roller 15 is arranged on the outer side of one support plate 14 adjacent to the second shield 3, and the same roller shaft 16 is arranged between the other support plate 14 and the roller 15. A nylon rope 19 is wound around the roller shaft 16.
[0042] In this embodiment, the roller shaft 16 allows the roller 15 to freely rotate on the shaft. This rotational movement enables the roller 15 to drive the nylon rope 19 to flexibly respond to changes in external forces. The nylon rope 19 is ingeniously wound around the roller shaft 16. This design not only ensures the stability of the nylon rope 19 but also endows it with the function of length adjustment. By adjusting the winding length of the nylon rope 19 on the roller shaft 16, it can conveniently adapt to users of different heights. This personalized adjustment method makes the entire system more flexible and variable, capable of meeting the needs of a wider range of people.
[0043] In a further preferred embodiment of the present utility model, as Figure 6 shown, a set of second bearings 17 are arranged on the outer side of the first shield 2. A large pulley shaft 18 is arranged in each of the two second bearings 17, and an elastic rope 25 is wound around the two large pulley shafts 18.
[0044] In this embodiment, the rotation of the large pulley shaft 18 drives the elastic rope 25 to move. The elastic rope 25 stores and releases energy using its own elasticity to achieve buffering and adjustment effects; when both hands pull the nylon rope 19, the force is transmitted through the nylon rope 19 to the damping adjustment system, and the system provides resistance according to requirements to achieve fine control of the transmission process. This design not only ensures the smoothness and continuity of the transmission but also improves the adaptability and stability of the system.
[0045] In a further preferred embodiment of the present utility model, as Figure 1 shown, a set of symmetrically arranged adjustment slots 20 are provided on the outer wall of one side of the upper surface of the connection cover plate 1. The two first shields 2 are in sliding fit with the corresponding adjustment slots 20.
[0046] In this embodiment, since the adjustment slots 20 are symmetrically distributed, the first shield 2 can ensure uniform force distribution and a stable movement trajectory during the sliding process. This symmetric design effectively avoids faults or damages that may be caused by uneven force or movement trajectory deviation, thus ensuring the stability and reliability of the system. At the same time, by sliding the first shield 2, the user can conveniently adjust the distance between the two nylon ropes 19 to meet different usage requirements.
[0047] In a further preferred embodiment of the present utility model, as Figure 1As shown, a number of adjustment holes 21 are penetrated and opened on the outer wall of the first shield 2, and adjustment needles 22 are arranged between each of the number of adjustment holes 21 and the corresponding adjustment grooves 20.
[0048] In this embodiment, when it is necessary to adjust the position of the first shield 2, it can be achieved by adjusting the position of the adjustment needle 22 in the adjustment hole 21 and the adjustment groove 20. The cooperation between the adjustment needle 22 and the adjustment hole 21 can also play a role in positioning and fixing, ensuring that the first shield 2 can maintain a stable position and posture during the adjustment process, and preventing it from shaking or shifting.
[0049] In a further preferred embodiment of the present utility model, as Figure 6 shown, the manual bolt 7 includes a screw head 23 and a screw rod 24, wherein the cross-section of the screw head 23 is in the shape of a handwheel, and a part of the screw rod 24 penetrates through the corresponding first threaded hole 5 and the second threaded hole 6.
[0050] In this embodiment, during the process of tightening the bolt, by rotating the screw head 23, the screw rod 24 will generate a rotational movement in the threaded hole. Based on the shape of the thread, the screw rod 24 will move forward or backward along the direction of the threaded hole when rotating. When the screw rod 24 moves forward, it will interact with the thread in the threaded hole, and this interaction will generate an axial force to tightly pull the bolt and the cooperating components together. At the same time, due to the friction of the thread, the relative movement between the screw rod 24 and the threaded hole will be subject to a certain resistance, and this resistance helps to maintain the tightened state of the bolt and prevent it from loosening. When a certain tightening torque is reached, the friction between the bolt and the components will increase, further ensuring the tightness and stability of the connection.
[0051] In a further preferred embodiment of the present utility model, as Figure 1 shown, a sheath 26 is arranged on the bottom side of the nylon rope 19, and a handle 27 is arranged at one end of the sheath 26 away from the nylon rope 19.
[0052] In this embodiment, during the use of the nylon rope 19, especially in occasions where it needs to be frequently pulled or rubbed, the bottom side is prone to damage. The presence of the sheath 26 can effectively extend the service life of the nylon rope 19 and improve its durability. The design of the handle 27 enables the user to more easily hold and control the nylon rope 19. Especially in the case where precise operation or a large pulling force is required, the handle 27 provides a better grip and control force.
[0053] In this embodiment, an accelerometer sensor 28 is arranged in the handle 27.
[0054] In a further preferred embodiment of the present utility model, as Figure 1As shown, the accelerometer sensor 28 (ADXL343BCCZ) can record and analyze the training data of athletes in real time. Coaches and athletes can view this data at any time through mobile phones or computers to understand the training progress and effects, so as to adjust the training plan in a timely manner and improve the training quality. This real-time monitoring function provides strong support for scientific training and helps to improve the overall competitive level of the sports team.
[0055] Working principle: First, this equipment is firmly suspended on the crossbeam or uneven bars to provide stable support for the athletes' training; magnets 9 are arranged on the opposite surfaces of the magnetic pole backplate 4 and the steel disc 8 in the system, jointly constructing a strong magnetic field, which is the basis for generating training resistance;
[0056] Next, when adjusting the training resistance, rotate the bolt manually; during the rotation of the bolt, it will move precisely along the first threaded hole 5 and the second threaded hole 6; this movement generates a stretching effect similar to a spring through the torque transmission of the thread pair; the greater the applied torque, the more significant the elongation of the bolt, and thus the greater the clamping force generated; the change in this clamping force will directly affect the distance between the magnetic pole backplate 4 and the steel disc 8, thereby changing the magnetic field strength and achieving flexible adjustment of the magnetic resistance;
[0057] At the same time, the change in the distance between the magnet 9 and the steel disc 8 is the key factor determining the magnetic field strength and thus the magnetic resistance size; as the distance is adjusted, the magnetic resistance changes significantly, and this change is directly reflected in the resistance exerted on the athlete by the system; when the magnetic resistance increases, the resistance felt by the athlete increases accordingly; conversely, when the magnetic resistance decreases, the resistance decreases; this adjustable resistance change enables the system to simulate various skiing scenarios and difficulty levels to meet the personalized training needs of athletes;
[0058] In addition, the symmetric design and bilateral adjustment mechanism of the system ensure that the resistance received by the athlete during training is uniform; this design not only improves the scientific nature and effectiveness of training but also helps the athlete better adapt to the challenges of different skiing scenarios;
[0059] During the adjustment process, if it is necessary to adjust the distance between the two handles 27, it can be achieved by adjusting the position of the adjustment needle 22 in the adjustment hole 21 and the adjustment slot 20; the cooperation between the adjustment needle 22 and the adjustment hole 21 ensures the stability and accuracy of the first shield 2 during the adjustment process and prevents it from shaking or shifting;
[0060] At the same time, when the manual bolt 7 is rotated, the magnetic pole backplate 4 can move stably in the adjustment cavity under the guidance of the guide post 10; this sliding fit not only ensures the smooth movement of the magnetic pole backplate 4 but also can more precisely control the distance between the magnetic pole backplate 4 and the steel disc 8, thereby achieving fine adjustment of the magnetic resistance;
[0061] In addition, the rotation of the large pulley shaft 18 drives the elastic cord 25 to move. The elastic cord 25 stores and releases energy using its own elasticity to achieve buffering and adjustment functions. When the athlete pulls the nylon cord 19 with both hands, the body assumes the traditional cross-country skiing posture. As the core of the waist and abdomen tightens, it drives the upper limbs to exert force. The force is transmitted to the damping adjustment system through the nylon cord 19, and the system provides appropriate resistance according to the training requirements to achieve fine control of the transmission process.
[0062] A sheath 26 is provided on the bottom side of the nylon cord 19 to protect it from wear and the erosion of the external environment. The presence of the sheath 26 extends the service life of the nylon cord 19 and improves its durability. At the same time, a handle 27 is provided at one end of the sheath 26 away from the nylon cord 19, enabling the user to hold and control the nylon cord 19 more easily, thus improving the convenience and comfort of operation.
[0063] It should be noted that for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the present invention is not limited by the described action sequence, because according to the present invention, certain steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.
[0064] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the above-mentioned unit division may have other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the shown or discussed coupling or communication connection between each other can be through some interfaces. The indirect coupling or communication connection between devices or units can be in the form of telecommunications or other forms.
[0065] The units described as separate components above may or may not be physically separated. The components shown as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0066] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict and without creative efforts, combine, add or delete the features in the embodiments of the present invention according to the circumstances or make other adjustments, so as to obtain different technical solutions that essentially do not deviate from the concept of the present invention, and these technical solutions also fall within the scope of protection of the present invention.
Claims
1. A magnetoresistive cross-country skiing special training feedback system, characterized in that, Comprising: Connecting cover plate; A damping adjustment system provided on the connecting cover plate; The damping adjustment system includes: First shields symmetrically arranged on both sides of the upper surface of the connecting cover plate; Second shields are provided on one side of each of the two first shields away from the connecting cover plate; Adjustment cavities are formed in each of the two second shields; Magnetic pole backplates provided inside the two adjustment cavities; First threaded holes provided in the middle positions of the two magnetic pole backplates; Second threaded holes are formed through one side of each of the two second shields away from the first shield; Manual bolts passing through the corresponding first threaded holes and second threaded holes, and the manual bolts are in threaded fit with the first threaded holes and the second threaded holes; Steel disks provided in the two adjustment cavities, and the two steel disks are distributed opposite to the corresponding second threaded holes; Magnets are provided on one side of each of the two magnetic pole backplates opposite to the steel disk.
2. The magnetoresistive cross-country skiing special training feedback system according to claim 1, characterized in that, The damping adjustment system further includes: Guide posts provided in the adjustment cavities; The guide posts are in sliding fit with the magnetic pole backplates.
3. The magnetoresistive cross-country skiing special training feedback system according to claim 1, wherein A first bearing is provided on one side of the first shield away from the second shield, a top post is provided inside the first bearing, a top block is provided at one end of the top post extending into the adjustment cavity, and the top block is distributed opposite to the screw rod.
4. The magnetoresistive cross-country skiing special training feedback system according to claim 3, characterized in that, A group of support plates are symmetrically provided on the outer side of the first shield. A roller is provided on the outer side of one of the support plates adjacent to the second shield, and the same roller shaft is provided between the other support plate and the roller, and a nylon rope is wound around the roller shaft.
5. The magnetoresistive cross-country skiing special training feedback system according to claim 4, characterized in that, A group of second bearings are provided on the outer side of the first shield, large pulley shafts are provided inside the two second bearings, and an elastic rope is wound around the two large pulley shafts.
6. The magnetoresistive cross-country skiing special training feedback system according to claim 5, characterized in that A group of symmetrically arranged adjustment grooves are formed in the outer wall of one side of the upper surface of the connecting cover plate, and the two first shields are in sliding fit with the corresponding adjustment grooves.
7. The magnetoresistive cross-country skiing special training feedback system according to claim 6, characterized in that, A number of adjustment holes are formed through the outer wall of the first shield, and adjustment needles are provided between each of the number of adjustment holes and the corresponding adjustment groove.
8. The magnetoresistive cross-country skiing special training feedback system according to claim 1, wherein The manual bolt includes a screw head and a screw rod, wherein the cross section of the screw head is in the shape of a handwheel, and the screw rod partially passes through the corresponding first threaded hole and second threaded hole.
9. The magnetoresistive cross-country skiing special training feedback system according to claim 4, characterized in that, A sheath is provided on the bottom side of the nylon rope, and a handle is provided at one end of the sheath away from the nylon rope.
10. The magnetoresistive cross-country skiing special training feedback system according to claim 9, characterized in that, An accelerometer sensor is provided inside the handle.