45 results about "Skating rink" patented technology

The invention relates to highly-antifreezing highly-slump retaining self-compacting C40 concrete which comprises the following components by kg/m3: 330 parts of cement, 80 parts of granulated blast-furnace slag, 80 parts of fly ash, 830 parts of natural medium sand with a fineness modulus of 2.3-3.0, 920 parts of stone, 4.9 parts of additives, and 160 parts of mixing water; the additive is a modified air-entraining polycarboxylic water reducer, wherein the mixing amount of an air-entraining agent in the polycarboxylic water reducer RP325 is 0.1%, and the mixing amount of the additive for large-scale production is 1.0% of the total amount of gel materials; the air content in the concrete is 5.0%+/-1.0%; the air-entraining amount in the poured structure from the beginning to the third hour is stabilized within a range of 5.0%+/-1.0%, and the concrete expansion degree in 3 hours is maintained at 600+/-50 mm; the number of antifreezing cycle is not less than 150, and the lowest temperature and the highest temperature in the antifreezing cycle are respectively -18 DEG C and 35 DEG C. The concrete of the invention can meet the concrete performance requirements for a skating rink in Shanghai oriental sports center with respect to high slump retaining performance, self-compacting performance, strength performance, high antifreezing performance, and the like.

The invention discloses a dual ejector refrigeration cycle system with an inter heat exchanger and a method of the refrigeration cycle system. According to the refrigeration cycle system, CO2 is usedas a refrigerant, the ice making amount is large, and the heat of a gas cooler can be well utilized in a gradient manner; double compressors and the double ejectors are adopted, so that the circulation efficiency is improved, and the energy consumption is reduced; compared with a conventional carbon dioxide refrigeration cycle, the refrigeration cycle system has the advantages that the efficiencyis improved by 18-25%, and the loss can be reduced by about 35-45%; and compared with a novel ejector carbon dioxide refrigeration cycle, the efficiency is improved by 6-12%, when the pressure of thegas cooler is low, the loss is reduced by about 10%, and the loss difference between the gas cooler and the ejector is very small along with increase of the pressure. According to the refrigeration cycle system, the heating performance coefficient is slightly increased, and the refrigerating performance coefficient is increased by 10-25%, so that heat regeneration is increased under the low-evaporation-temperature working condition of a skating rink, cold energy is effectively utilized, and the operation cost is reduced.

The invention discloses an anti-collision guardrail for an ice skating rink, which comprises a horizontal bar and a vertical bar. The horizontal bar and the vertical bar are intersected and fixed to each other. The bottom layer is evenly fixed with shock absorbing springs, and the upper surface of the shock absorbing springs is evenly fixed with rubber air springs. The two ends of the cover plate are connected with the top of the rubber airbag through the first bolt and the pin hole, and a waist ring is fixed between the rubber airbags, and the bottom end of the rubber airbag is connected with the lower cover through the second bolt and the pin hole. The two ends of the board are connected, the upper surface of the rubber air spring is bonded with a PU foam layer, and the upper surface of the PU foam layer is sewn with a buffer sponge layer. The anti-collision guardrail of the skating rink has a simple structure, and the cushioning performance of the guardrail can be greatly improved by wrapping the outer walls of the horizontal bar and the vertical bar with buffer sleeves.

The invention discloses a pure CO2 skating rink refrigerating system. The pure CO2 skating rink refrigerating system is structurally characterized in that a trans-critical compressor set, an oil separator, a heat recovery heat exchanger, a CO2 low-pressure liquid storage device and a CO2 low-pressure liquid storage device pressure maintaining unit are arranged in a machine room, a CO2 cooler is arranged outdoors, and an ice field pipeline heat exchanger is arranged in an ice field. A pure CO2 refrigerating system is adopted, a CO2 refrigerant directly exchanges heat with the ice field pipeline heat exchanger, the refrigerant evaporation temperature is high, the refrigerating capacity is large, the efficiency is high, the electric power is saved, moreover, the CO2 viscosity is low, a required conveying pump is low in power, moreover, CO2 serves as a refrigerant, the liquid exists in an evaporation pipeline all the time, the evaporation temperature is stable, the quality of prepared ice is better, moreover, the influence of CO2 on the environment is relatively small, one expansibility technical innovation is achieved for the prior art, and quite good popularization and use value is achieved.

The invention relates to an indoor skating rink and belongs to the field of skating rinks. The indoor skating rink is characterized by comprising an indoor floor; the indoor floor comprises an ice surface area, an epoxy clay floor area and a boundary wall; the ice surface area is a structural base course, a self-leveling course, a waterproof course and a concrete leveling course in sequence from bottom to top; a cold water supply pipe group, a cold water return pipe group and an ice-making discharging pipe are laid in the upper course of the concrete leveling course; a mounting groove is formed in the epoxy clay floor area; a hot water supply pipe group is pre-embedded in the self-leveling course; the hot water supply pipe group comprises a heating water inlet pipe, a heating water returnpipe and a hot water flowing pipeline which is full of the ice surface area, wherein the heating water inlet pipe, the heating water return pipe and the hot water flowing pipeline are mounted in the mounting groove; the opening of the mounting groove is sealed by using cement mortar; a plastic film and a heat insulated course are laid on one side, facing towards the mounting groove, of the cementmortar in sequence; and a heating water pipe group is arranged in the concrete floor to increase the temperature of the concrete floor so that the concrete floor is prevented from generating cracks due to being at a low temperature for a long time.

A composite multifunctional detachable athletic field comprises a horizontal base, a water treatment device arranged on one side of the horizontal base, a detachable swimming pool formed in the horizontal base and a skating rink arranged in the detachable swimming pool. The detachable swimming pool comprises a square pool rack, a swimming pool bottom plate, a guard bar arranged on the pool rack, a pool body arranged in the pool rack and an overflow trough. The pool rack comprises square frames which are arranged in parallel and made of steel channels, four angle steel connecting bars used for connecting and fixing the square frames made of the adjacent steel channels, two parallel bearing steel beams erected at the upper ends of the square frames made of the steel channels, and a plastic-wood floor laid on the bearing steel beams. The swimming pool bottom plate comprises a plurality of prying prevention plates which are arrayed in a staggered mode, and the two ends of the prying prevention plates are fixedly connected with the pool rack. The pool body is formed by splicing a plurality of baffles. The skating rink is embedded into the pool body, and comprises a rail around the skating rink and a middle cushion layer. A skating board is laid on the middle cushion layer, and the height of the middle cushion layer is kept the same as that of the overflow trough.

The invention discloses an anti-collision barrier for an ice rink, which comprises a column and an anti-collision baffle arranged between two columns, the column is vertically installed on a base, a connecting plate is installed on the column, and the anti-collision baffle is arranged between two columns. Both sides of the bumper plate are provided with first side plates, and both sides of the connecting plate are provided with second side plates corresponding to the first side plates, and the first side plate and the second side plate pass through the second side plate. A spring connection, the anti-collision baffle includes a front baffle and a rear baffle, and the front baffle and the rear baffle are arranged in parallel. The invention uses the deformation of the second spring between the front baffle and the rear baffle to absorb the kinetic energy of people accidentally bumping into the guardrail, thereby reducing the injuries suffered by people, protecting people's health, and having a better protection effect Each anti-collision baffle is connected through the first spring, which can further reduce the injuries suffered by people, and the billboard on the connecting plate also has a good publicity effect.

The invention discloses a simulated ice slab which comprises the following components in parts by weight: 75-95 parts of polyethylene, 2-15 parts of polydimethylsiloxane, 0.3-1 part of antioxidant, 5-20 parts of nano rigid fixing filler, 5-20 parts of environment-friendly diluter and 3-10 parts of pigment. The invention also discloses a preparation method of the simulated ice slab. The simulated ice slab is prepared by using polyethylene as the substrate; the polyethylene raw material is cheap and renewable; the preparation process is simple, and the preparation cost is low; the prepared simulated ice slab is odorless, tasteless and nontoxic; and the discarded raw material can not generate severe environmental pollution when being treated. The simulated ice slab has the advantages of high hardness, favorable lubricating effect, bright color and favorable simulation effects. Pigments with different colors can be added into the formula of the simulated ice slab to prepare the simulated ice slabs with different colors; and the colored simulated ice slab can enhance the light and shadow effects of the skating rink.

A solid-liquid reversable composite material used as the ground material of skating rink or to replace gypsum contains pentahydrated sodium thiosulfate, carboxymethyl cellulose sodium, zinc chloride, propanetriol and water.

The invention provides a figure skating twisting and lifting action protection device. The figure skating twisting and lifting action protection device comprises a support system frame, a mobile platform and a structure for preventing a rope from being knotted; the support system frame is of a triangular structure and is fixedly connected with a roof of a figure skating rink; torque motors are also arranged at three angles of the support system frame; a first flexible rope is wound on an output end of each torque motor; the mobile platform comprises a triangular steel plate and a vertical rope drive motor arranged on the triangular steel plate; a second flexible rope is wound on the output end of the vertical rope drive motor; an angle sensor is arranged at the lower end of the triangular steel plate; three first flexible ropes come around a third wheel arranged on the triangular structure separately and the end parts are connected with three angles of the triangular steel plate separately; the end part of the second flexible rope is connected with the upper end of the structure for preventing the rope from being knotted; and the structure for preventing the rope from being knotted is also connected with a trainer through a third rope. The figure skating twisting and lifting action protection device does not affect normal training of the trainer and plays a protecting role in fall-over of the trainer.

The invention relates to a skating rink with a light guide training function. The skating rink comprises an ice surface and a light guide device, wherein the light guide device comprises light sources which are arranged below the ice surface at a racetrack position and can be sequentially lightened to guide the training of athletes; and the light guide device also comprises a control device for controlling the speed of sequentially lightening the light sources. The skating rink with the light guide training function, provided by the invention, makes use of the characteristic that ice is transparent, luminous objects are placed under the ice, a singlechip is used for controlling the lightening speeds of each circle, each section and the whole course so as to guide the training of the athletes. By virtue of input set speeds which are embodied on the ice surface by using light, the training is guided.

Refrigeration equipment with a sleeve-type collection pipe for an artificial skating rink comprising at least a refrigerating system (3), a refrigeration liquid supplying collection-pipe (1) and a return-gas collection-pipe (2). The return-gas collection-pipe (2) sheathes the refrigeration liquid supplying collection-pipe (1) along length-wise direction. The refrigeration system (3) is provided with a liquid supplying main pipe (41) and a return-gas main pipe (42) sheathed on the liquid supplying main pipe (41). Both ends of the liquid supplying main pipe (41) are respectively connected with the refrigeration liquid supplying collection-pipe (1) and the output end of the refrigeration system (3), and both ends of the return-gas main pipe (42) are respectively connected with the return-gas collection-pipe (2) and the input end of the refrigeration system (3). Multiple groups of circulation pipes (6, 7) arranged in rows are juxtaposed at both sides of the return-gas collection-pipe (2) along the lateral direction.

This invention discloses a rubber sock comprising a sock leg, a sock body and a sock bottom. The materials of the sock leg, the sock body and the sock bottom are elastic rubber, or the sock bottom is made of elastic rubber, and the sock leg and the sock body are made of soft fabric. The sock bottom is bonded with the joint of the sock body. The thickness of the sock bottom is 0.1mm-5.0mm. A plurality of air vents are arranged on the sock body. The rubber sock is airtight and watertight and is suitable for wearing in public exercise occasions such as a gymnastic hall and a Yoga hall, and the like, where shoes need to be taken off; the sock is also suitable for wearing in places such as a public bath and a public skating rink, and the like, where a plurality of persons share one pair of shoes, thus cross-infection of feet caused by various epiphytes and skin diseases is avoided. The rubber sock has moisture preservation effect and can prevent feet from chapping. Rubber sock with thick bottom can be directly worn to walk on the ground and has the function of therapeutic massage.

The invention discloses a snow removal shovel device for an outdoor skating rink, and belongs to the technical field of snow removal mechanical equipment for outdoor skating rinks in winter. The snowremoval shovel device comprises a snow removing shovel main plate, side plates, a top plate, a connecting frame, round stand columns, springs and reinforcing rib plates and further comprises a snow removing shovel auxiliary plate A, a snow removing shovel auxiliary plate B and a snow removing shovel auxiliary plate C. The rear sides of the left end and the right end of the snow removing shovel main plate are fixedly connected with the semicircular side plates, and the top plate in the horizontal direction is fixedly connected above the two side plates and the back of the snow removing shovel main plate. The connecting frame is fixedly connected to the center of the back of the snow removing shovel main plate, the snow removing shovel auxiliary plate A, the snow removing shovel auxiliary plate B and the snow removing shovel auxiliary plate C are located behind the snow removing shovel main plate, the back of the snow removing shovel auxiliary plate A is fixedly connected with the tail ends of the two round stand columns, and the springs penetrate through the round stand columns and an upper support A and an upper support B are located at the tops of the springs. And a lower bracketA and a lower bracket B are respectively positioned below the springs. The snow removal shovel device is convenient, practical, time-saving and labor-saving, and accumulated snow on the outdoor skating rink can be effectively removed.

The invention discloses normal-temperature ice which is prepared from a component A and a component B. The component A includes following components in parts by weight: 90-100 parts of polyurea; the component B includes, in parts by weight: 90 to 100 parts of polyurethane prepolymer, 0.1 to 5 parts of delustering agent, 0.1 to 5 parts of lubricating agent, 0.1 to 3 parts of defoaming agent, 0.1 to3 parts of toner and 0.1 to 3 parts of dispersing agent; wherein the weight ratio of the component A raw material to the component B raw material is 1:1-1:5. The normal-temperature ice is simple in preparation mode, wherein a normal-temperature ice layer can be laid after the two components are mixed and cured, the construction difficulty is greatly reduced, the laying process and the curing process can be completed at the normal temperature, and high-temperature treatment and complex equipment operation are not needed. A feasible scheme is provided for on-site direct construction, more practical scenes are achieved, and the integrally-formed skating rink is more durable and attractive.

The invention combines a deep learning algorithm and a uwb positioning technology, and particularly discloses a skating tracking method based on deep learning and uwb auxiliary positioning, and the method comprises the following steps: s1, obtaining skating site data, and carrying out the manual calibration of the site key point data; s2, according to the field data, arranging a uwb (UltraWide Band) device, and arranging a signal receiver; s3, designing a target detection network, learning characteristics of the athletes, detecting positions of the athletes, and predicting subsequent positions; s4, designing a multi-target tracking network, and realizing preliminary tracking through a matching algorithm; s5, acquiring tracking information acquired by the uwb equipment, and performing interpolation completion operation on the tracking information; and s6, performing auxiliary matching on the preliminary tracking result through the complemented uwb tracking information to obtain a final tracking result. According to the method provided by the invention, the IDSwitch problem caused by shielding or similar characteristics in the process of carrying out multi-target tracking on skating athletes is improved by using a deep learning algorithm and an auxiliary technology of uwb complementation information.

The invention provides an assembling type pool body structure with a skating function and a swimming function. The assembling type pool body structure with the skating function and the swimming function comprises a pool body frame, a water pool, a passage platform, a stair tread, a safety fence and an artificial skating rink assembly. The water pool is arranged in the pool body frame. The passage platform is arranged on the periphery of the water pool. The stair tread is mounted on the outer side of the passage platform. The safety fence is arranged on the periphery of the passage platform. The artificial skating rink assembly is mounted on the upper portion of the water pool and mainly defined by anti-slip floor rubber, ice boards, a rubber film protection layer, an anti-collision damping layer and vertical surrounding boards. According to the assembling type pool body structure with the skating function and the swimming function, the pool body construction cost is low, and the pool body structure can adapt to different installation fields; the modular assembling structure is adopted, rapid assembling of a pool body is achieved, a skating rink can be mounted rapidly based on the water pool, and the original pool is not damaged at all; and the pool body can operate in all seasons all year round, the artificial skating rink can be dismounted rapidly, and the skating function and the swimming function are achieved.

The invention relates to an intelligent ice rink ice surface maintenance system, which comprises an ice surface maintenance main body, an indoor ice rink for using real ice, a visual detection mechanism, an automatic water spraying mechanism, a field orientation mechanism, a water body storage container, a refrigeration mechanism, a walking driving mechanism, a supporting platform and an embedded processor, and the content conversion equipment is used for determining the water injection amount required for filling the entity volume based on the entity volume of the ice body crack corresponding to the to-be-processed sub-picture, and the water injection amount is slightly greater than the entity volume. The intelligent ice rink ice surface maintenance system is compact in structure and intelligent to control. On the ice surface maintenance platform which is designed in a targeted manner, the integrated field maintenance operation of firstly supplementing ice cracks with water, then cooling and making ice and then flattening the ice body is performed on the maximum ice surface crack of the current area in a targeted manner, so that the fine adjustment type maintenance on the ice surface is completed by repeatedly controlling the ice surface maintenance platform; and the ice body overhead and cost of ice surface maintenance are reduced.

The invention relates to a mobile skating rink fitness walking replacing device. A small-size artificial ice plate with two wheels and a frame with three wheels and a handle are combined to replace askating rink field. The T-shaped connecting piece is movably connected to connect and mount an artificial ice plate and a frame, a group of gear combination for realizing same-direction driving by utilizing two reverse powers is arranged on the frame, a pair of roller skates with wheels and traction rope mounting positions is arranged, a left roller skate, a right roller skate and corresponding solid steering gears in a gear combination are connected through traction ropes respectively, and when a user needs to go out instead of walking, the roller skates drive two driving wheels on a frame through the gear combination to drive the frame and an ice plate to move together, when skating fitness is only needed, the traction rope is detached from one end of the roller skate, and the equipmentcan be kept still; anti-falling protection strips are additionally arranged on two sides of the ice plate, and a handle of the frame properly extends backwards to serve as a safety handrail to assista user in keeping body balance.

The invention discloses a light following control method for intelligent skating shoes based on the Internet of Things. The method comprises the steps: acquiring ID information of the skating shoes; according to the ID information, pairing and associating an intelligent follow spotlight with the skating shoes; acquiring a pressure value and a moving speed value; acquiring a distance SLi, and acquiring a distance SRi; obtaining the coordinate position of an auxiliary distance sensor in a skating rink; according to the distance SLi, the distance SRi, a first coordinate of a point A where a leftfoot of the skating shoes is located, a second coordinate of a point B where the right foot of the skating shoes is located, and the coordinate position of the auxiliary distance sensor in the skatingrink, constructing a to-be-identified parameter beta, a first matrix P and a first vector Q, and solving real-time actual coordinates of a point O where a user wearing the skating shoes is located inthe skating rink; and controlling the intelligent follow spotlight to project first projection illumination to the user according to the real-time actual coordinates of the point O. According to themethod, the intelligent control of the follow spotlight is realized, the intelligentization of illumination projection and operation of the follow spotlight is realized, and the illumination projection and operation accuracy of the follow spotlight is improved.