15 results about "Speed skating" patented technology

An improved speed skating ice skate blade comprises a skate pipe body and an ice skate blade, the upper portion of the skate pipe body is of a hollow tubular structure, the lower portion of the skate pipe body is provided with an ice skate blade installation groove, and the ice skate blade is fixed to the ice skate blade installation groove. A plurality of knife tube mounting holes are formed in the top of the knife tube body, the knife tube mounting hole in the front side is used for mounting a front fixing base part, and the knife tube mounting hole in the rear side is used for mounting a rear fixing base part; in conclusion, according to the improved speed skating skate blade, the hollow blade tube body is made of the engineering steel sheet, so that the weight is reduced while the hardness is ensured, and the speed and the flexibility of athletes are improved; a nut spring pair is arranged in the knife tube body, so that the assembly is simplified, the connection stability is enhanced, and the use safety and reliability are improved; the overall design not only meets the requirement of high-intensity sports, but also effectively reduces the weight of equipment, and assists athletes to play the best performance; according to the innovative design, the performance is ensured, and meanwhile, the use convenience and safety are greatly improved.

The utility model relates to a speed skating exercise trainer, including fixed mount, resistance disc, pull rope, steering wheel and stepping device, resistance disc and steering wheel are all provided on the fixed mount, the one end of pull rope is wound on the resistance disc, the other end of pull rope bypasses the steering wheel to bind the athlete that needs to train, the stepping device is fixed on the fixed mount, and the stepping device is fixed on the fixed mount. The stepping device is connected with the fixing frame. According to the speed skating exercise trainer, traction is achieved through the pull rope wound on the resistance disc, the pedals with the adjustable angles and the adjustable distances are arranged on the stepping device, the ankle (especially the left foot ankle) of an athlete can be protected, meanwhile, progressive training of curve stepping is achieved, the training requirements of athletes of different levels are met, and the training effect is good. And the adaptive air cushions on the pedals enable the training to be closer to the real curve turning.

This invention provides a method for personalized optimization of ice skate blade curvature based on human motion posture. The method uses a multimodal sensing system to collect data on joint angles, center of gravity trajectory, blade pressure distribution, and posture angles of athletes during standard skating movements, extracting key motion feature parameters. A machine learning mapping model is constructed based on a historical athlete database to quantitatively correlate individual characteristics with blade curvature and motion performance. A multi-objective optimization algorithm recommends the optimal curvature value, and high-precision customized machining is achieved using a CNC grinding machine. Field testing and iterative feedback ensure the optimization effect. This invention realizes the transformation of ice skate blade curvature from standardization to precise personalization, significantly improving skating efficiency, motion control, and sports safety. It is applicable to various sports such as figure skating, speed skating, and ice hockey, and has good application prospects and industrialization value.

The invention discloses a speed skating knowledge question and answer method based on a capability atlas, which comprises the following steps: selecting literatures with speed skating related knowledge as original corpora, training a Qwen3-14B model, and outputting the trained Qwen3-14B model; analyzing the speed skating textbook, marking three types of entities from continuous fragments by adopting a GLiNER model, and mapping capability nodes to obtain a basic capability map; constructing a student graph neural network GNN on the ability sub-graph, training the student graph neural network GNN by using multi-view ability vector representation, and outputting student ability vector representation; calculating the cosine similarity between the capability nodes, generating a similarity edge, and obtaining a fusion capability map; performing text analysis and vector coding on a question proposed by a user to form an initial hit node; and outputting the initial hit node into the trained Qwen3-14B model, and outputting a natural language answer to the user.

A locking system for quick assembly and disassembly of an ice skate blade. The locking system comprises a blade holder (1). A blade slot (11) allowing an ice skate blade (2) to be inserted therein is provided at the bottom of the blade holder (1). A blade locking hook (3), a locking-hook driving member (4), and a reset member (5) for resetting the blade locking hook (3) and the locking-hook driving member (4) are rotatably provided in the blade holder (1). By means of providing operation holes (16) on the left and right sides of the blade holder (1) and an actuating part (41) capable of extending from the operation holes (16), the quick disassembly of the ice skate blade is facilitated. In addition, a triangular protrusion (23) on the ice skate blade (2) and a blade ejector block (45) at the bottom of the actuating part (41) enable the ice skate blade (2) to be quickly pushed out from the blade slot (11). A hook block (47) on the blade ejector block (45) and an engagement hook C (24) on the ice skate blade (2) are connected to each other in a hooking manner, which further reduces the risk of accidental detachment of the ice skate blade (2). This comprehensive design not only improves the operational convenience for assembling and disassembling the ice skate blade (2), but also significantly enhances the safety of athletes during high-speed skating and the fixation stability of the ice skate blade (2).

The utility model relates to a knife grinding device applied to speed skating, which comprises a first fan blade, a second fan blade, a connecting rod, at least one first clamping device and at least one second clamping device, the number of the second clamping devices is matched with that of the first clamping devices, and the first fan blade and the second fan blade are both slidably connected with the connecting rod. The first clamping device is arranged on the first fan blade, the second clamping device is arranged on the second fan blade, and the first clamping device and the second clamping device are used for clamping and fixing an ice skate blade. According to the ice skate blade fixing device, one end of an ice skate blade is fixed through the first clamping device, the other end of the ice skate blade is placed on the second fan blade, meanwhile, the sliding block slides along the guide rail and slowly abuts against the ice skate blade placed on the second fan blade, then the second adjusting screw rod is rotated, the second fixing clamp rotates around the sliding block and abuts against the ice skate blade, and therefore the ice skate blade is fixed; and the use effect is prevented from being affected by excessive damage of bending and radian of the ice skate blade in the sharpening maintenance process.

The utility model relates to the field of short-track speed skating protectors, in particular to a short-track speed skating helmet. The helmet comprises a helmet body and a transparent mask, a plurality of magnets are embedded in the front end of the helmet body, and clamping grooves are formed in the left side and the right side of the helmet body; a plurality of magnetic attraction pieces are arranged on the transparent mask, and clamping pieces are arranged on the left side and the right side of the transparent mask; the transparent mask is clamped into the clamping groove through the clamping piece and is magnetically connected with the magnet through the magnetic attraction piece so as to be fixedly connected to the helmet body. According to the helmet, clamping groove connection is additionally arranged on the basis of magnetic attraction connection, the clamping groove connection positions are only arranged on the left side and the right side of the helmet body and the left side and the right side of the face mask, it is guaranteed that the face mask and the helmet are convenient to disassemble and assemble, meanwhile, the connection stability of the face mask and the helmet is improved, and the face mask is not prone to falling off.

1. The name of the design product: wheel hub (2). 2. The use of the design product: the design product is a wheel hub for a speed skating wheel of a roller skate. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of intelligent clothing, and particularly discloses a modular temperature control clothing system based on a graphene nanotechnology. The innovation points comprise: 1) a composite electrode structure: a graphene / carbon nanotube heterojunction electrode is adopted to realize resistance stability (the volatility is less than 5%) in an environment of-30 DEG C; 2) a partition temperature control module: dividing the clothes into 16 independent temperature control units based on a human body thermodynamic diagram, wherein each unit is integrated with a micro thermopile sensor and a PID fuzzy control chip; 3) an energy management system: the energy consumption is reduced by 42% compared with the traditional scheme through cooperative power supply of the flexible photovoltaic fabric and the magnetic type lithium battery pack; and 4) modularized quick-release interface: adopting a magnetic control conductive braid technology to realize 10-second quick replacement of the heating unit. According to actual measurement of a comprehensive sports event speed team such as a winter ice and snow project, the body surface temperature uniformity in the extremely cold environment is improved by 90%, and the system weight is reduced by 35%. The technology is a key conversion project of the Diye-Beijing Institute of Industry of the College of Fitting, and has been applied to winter ice and snow project type comprehensive sports event equipment and civil outdoor product lines.

1. The name of the design product: wheel hub (1). 2. The use of the design product: the design product is a wheel hub for a speed skating wheel of a roller skate. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A curve surface hyperbolic member for a UHPC (Ultra High Performance Concrete) speed skating stadium relates to the technical field of building materials and sports facilities, two side surfaces of a UHPC hyperbolic plate are curved surfaces, the bending directions of the curved surfaces on two sides of the UHPC hyperbolic plate are the same, the lower part of the UHPC hyperbolic plate is fixedly provided with a lower part support beam, one end of the UHPC hyperbolic plate is fixedly provided with an end part positioning block, and the other end of the UHPC hyperbolic plate is fixedly provided with an upper part support beam. One end of the UHPC hyperboloid plate is provided with a positioning groove, the other end of the UHPC hyperboloid plate is provided with an end positioning groove, the lower supporting beam is in an inverted T shape, anchoring holes are symmetrically formed in the two sides of the lower supporting beam, anchoring mechanisms are fixedly arranged in the anchoring holes, the UHPC hyperboloid plate and the lower supporting beam are of an integrated structure, and a reinforcing rib net is embedded in the UHPC hyperboloid plate and the lower supporting beam. The strength and durability of the component are improved, the curvature of the curve surface of the speed skating stadium is accurately matched, and a stable and safe skating surface is provided for athletes. Meanwhile, through modular design and an optimized anchoring mechanism, the construction process is simplified, the construction efficiency is improved, and the construction cost is reduced.

The invention relates to the technical field of functional textile composite materials and surface engineering, and discloses a preparation process of a multifunctional composite material of a drag-reducing coating of a speed-skating suit, and the process adopts a photosensitive resin system comprising a dynamic ester exchange matrix, a surface fluorine-rich monomer, a basic catalyst and a light-latent acid generator. The technological process comprises the following steps: after coating, standing to induce surface enrichment of fluorine-containing components; initiating surface polymerization by utilizing first wave band illumination, activating a photo-latent acid in-situ neutralization catalyst, and closing surface dynamic bond activity to form a low-friction hard layer; and then initiating body curing by utilizing second wave band illumination, and retaining internal dynamic bond activity so as to maintain low-temperature toughness. A chemical gradient structure with hard outside and tough inside is constructed through a single-pot method and an orthogonal step-by-step curing process, the problems that a traditional coating is prone to cracking and interlayer stripping at low temperature are effectively solved, and excellent coating adhesive force and low-temperature crack resistance are guaranteed while the surface friction coefficient is remarkably reduced.

A short-track speed skating skate blade belongs to the technical field of skating. The ice skate comprises a skate body, an ice skate blade, an ice skate blade adjusting seat and a fixing bolt, wherein the ice skate blade is arranged at the bottom of the skate body through the ice skate blade adjusting seat; the ice skate blade adjusting seat is provided with an adjusting groove, and the fixing bolt penetrates through the adjusting groove to install the ice skate blade adjusting seat at the bottom of the shoe body. The utility model aims at providing an ice skate blade integrating functions of high-precision adjustment, dynamic adaptive support and modular maintenance, the transverse position of the ice skate blade can be adjusted by the ice skate blade adjusting seat, and an athlete can quickly align the best sliding track according to the ice surface state (hardness and temperature) or curve technical requirements. The adjusting efficiency is improved.

1. Name of the product in this design: Speed ​​Skates (Lianzhi-1 Adult Retro Ice Skates). 2. Purpose of this design: for use in speed skating shoes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model belongs to the field of accessories of speed skating ice skates, and particularly relates to a shock-absorbing pier for a speed skating ice skate, which comprises a shock-absorbing pier, a buffer piece, a mounting part, a positioning column and a buffer table. In daily training and professional competition processes, athletes can keep high-frequency, high-strength and large-amplitude ice pedaling actions for a long time; according to the speed skating ice skate blade heel damping pier, the positioning columns are arranged to be matched with the buffer grooves of the shoe supports on the ice skate blade in shape, the buffer grooves of the shoe supports can be kept to be smoothly matched with the positioning columns, and shaking cannot happen in the movement process; the contact area between the ring-shaped buffer pad and the shoe support is increased, the friction area is increased, the damping and buffering effects are improved, the shoe support is prevented from shaking, the shape of the damping pier makes full contact with the buffer piece, and the overall stability is kept. The speed skating ice skate is wide in application range, suitable for being installed on various speed skating ice skates and convenient to install and replace.