140results about "Water-skiing" patented technology

A system includes a rectangular shaped body, an irregular pentagon shaped body, and a spool. The spool includes a cord having a first end coupled to the spool, a second end configured to unwind at least partially from the spool, and an indicium marked at a position along a length of the cord associated with a pitching distance disposed between the rectangular shaped body and the irregular pentagon shaped body.

The utility model is applicable to the field of artificial ski fields, and provides an artificial ski field based on a box body structure and a control system thereof, the artificial ski field comprises a frame structure formed by a plurality of bottom ribs and stand columns, and the frame structure is fixedly connected with a heat preservation top plate and a plurality of heat preservation vertical plates; the bottom ribs, the stand columns, the heat-preservation top plate and the multiple heat-preservation vertical plates jointly form a box body structure. A skiing blanket device with the inclination angle capable of being adjusted in an electric control mode is installed in the box structure, a first display unit is installed in front of the running direction of the skiing blanket device, and a detector is installed in the box structure. Therefore, the device can be conveniently disassembled and assembled, the construction period is shortened, and the device can be moved, adjusted and optimized according to needs. And the area of the ski field is expanded by increasing the box body. And the construction cost is relatively low, the device can be repeatedly used, and the long-term operation cost is greatly reduced.

Use of a spreading granulate as infill granulate for grass and artificial turf pitches, wherein the infill granulate comprises a polymer matrix with a proportion of between 10 wt.% and 100 wt.% of at least one biodegradable polymer and at least one filler from the group of natural fillers embedded in the polymer matrix with the at least one biodegradable polymer, characterized in that the infill granulate comprises at least one filler from the group of crushed fruit kernels with a higher hardness than that of the polymer matrix.

A clock device is in communication with a remote computing device that is configured to adjust the time of a countdown and define an adjusted time value. The remote device communicates the adjusted time to the clock device, which automatically displays the adjusted time on a screen. The adjusted time is further communicated to a cloud server via API. The adjusted time is accessible by authorized third parties for display or broadcast. Accordingly, a user may adjust and track a countdown and may define an official time that is automatically displayed to a variety of end-users in real-time. The clock device may be positioned adjacent a competition area and may include a rigid metal frame and a flexible LED screen extending around the perimeter of the frame. The clock device may include hardware and software for processing and outputting the adjusted time to the cloud server.

An apparatus, system, and method for connecting mats, according to which a mat connecting device secured to a first mat includes a magnet for detachably connecting the first mat to a second mat. Specifically, the magnet is adapted to detachably connect the mat connecting device secured to the first mat to another mat connecting device associated with the second mat.

The utility model relates to the technical field of anti-collision devices, and discloses an ice and snow sports building competition field anti-collision device which comprises a nylon woven mesh and stand columns, frame belts are connected to the periphery of the nylon woven mesh in a sewn mode, and first safety hooks are connected to the positions, close to the four corners, of the edges of the frame belts in a hooked mode. Second safety hooks are hooked to the top and the bottom of the frame belt, a base is fixedly connected to the bottom end of the stand column, a rotating shaft is rotationally connected to the interior of the stand column, and a limiting sleeve is rotationally connected to the outer surface of the rotating shaft. When a sportsman collides with the nylon woven mesh, the nylon woven mesh generates displacement due to impact force, the elastic rope woven by the latex threads can be stretched to deform, absorb part of collision energy, relieve impact force borne by the sportsman and reduce injury risk, meanwhile, the guide wheel is in sliding contact with the elastic rope, and the rotating shaft can rotate in the stand column, so that the sportsman is prevented from falling off. When the elastic rope is stressed to stretch or restore to the original shape, the guide wheels can guide the elastic rope to move smoothly, and the influence of friction force on the buffering performance is reduced.

The invention discloses a self-adaptive air pressure safety air cushion system and method for a dry snow diving platform, and belongs to the technical field of dry snow training facilities. The system comprises a safety air cushion composed of a plurality of independent air chambers, a sensing module used for detecting motion information of a user in real time, a control unit and an air pressure adjusting module. The sensing module is preferably a combination of a millimeter-wave radar and a camera, and the landing opportunity and the landing point area of a user are accurately pre-judged through data fusion. The control unit controls the air pressure adjusting module before impact, and the air pressure of the independent air chamber corresponding to the drop point is specifically reduced to realize buffering; and the air pressure is quickly recovered after collision to provide support. The problem that a traditional air cushion cannot achieve buffering protection and stable supporting at the same time is solved, intelligent and partitioned precise air pressure control is achieved, and the safety and continuity of training are remarkably improved.

Provided are an assistive device-equipped ramp and an assistive device for a ramp, which provide assistance such that a user traveling on the ramp would not easily fall and incur injury. An assistive device-equipped ramp according to the present invention comprises: a ramp (1) which has a slide surface for a skateboard and in which both sides of the slide surface along the slide direction are curved or sloped upward; a rail (2) which is attached above the ramp and which extends in the slide direction of the skateboard; a hanging tool (4) which supports the weight of a user from above if the user sliding on the slide surface by means of the skateboard deviates from a sliding state; and a movable body (3) which suspends the hanging tool and moves on the rail.

According to one aspect of the disclosure, a camera system for a hockey rink is provided. The system includes a rink wall defining a hollow interior, the rink wall having a window portion on a rink side of the rink wall. A rail is disposed within the hollow interior. A camera is operably coupled to the rail within the hollow interior and having a lens with an optical axis extending through the window portion. A movement device is operably coupled to the camera and configured to move the camera along the rail.

To provide a ski slope structure and slope-forming components that enable low-cost and easy replacement work. [Solution] A slope structure for skiing or snowboarding, wherein the slope forming member 10 has a base member 12 installed on the ground and a support member 14 that is detachably provided on the base member 12 and capable of supporting skis or snowboards, the base member 12 has an engaging member 16 that can engage with adjacent base members 12, and a slope is formed when multiple base members 12 engage, and the support member 14 is inserted through an insertion hole 22 from the open end 18 of the base member 12 and assembled to the base member 12.

A mobile printing robot system for printing a construction layout. The method addresses a problem that occurs when there is a loss of a tracking lock to an absolute positioning device, such as a total station. In a construction site, a line of sight between a mobile robot and an absolute positioning device may be lost when the mobile robot moves into a shadowed region behind an obstacle, such as a column. The mobile printing robot may use its local sensor data to continue to print until a maximum estimated position is reached. The mobile robot may also provide position updates to the absolute positioning device to aid it to regain a track lock when the mobile robot emerged from the shadowed region.

The present invention relates to a mobile robot comprising a chassis and a device adapted for removing dew from grass.

Device (6) for indicating marking positions (9, 10) on a ground surface (1) of a golf course, which device (6) is arranged facing the ground surface (1), wherein a plurality of beams of light rays (4, 5) are output by at least one light source (2, 3), which beams of light rays (4, 5) are directed onto the ground surface (1) from a high point (7, 8) spaced apart from the ground surface (1), wherein a plurality of patterns are projected on the ground surface (1) by individual beams of light rays (4, 5), wherein an individual beam of light rays (4, 5) characterizes an individual marking position (9, 10) by an individual pattern of the plurality of patterns, wherein each beam of light rays (4, 5) comprises a main axis, which main axis is oriented at an acute angle alpha, beta with respect to the ground surface (1) and / or to a horizontal axis.

The invention relates to a tennis court sweeper that has a casing (1) with a generally rectangular prism-like shape, the front portion of which has a curved profile, and having two pairs of wheels (2) on its sides. It also has sweeping means and safety means, and it is driven by a motor (7) powered by a rechargeable battery (6) via a charging station, wherein the sweeping means comprise a stationary brush (3) attached to the rear portion of the machine and a rotary roller (10) driven by the motor (7). This motor is located in the inner space defined under the casing (1) and the safety means of the sweeper are, on one side, an obstacle sensor (5) and a light signal (4) that is activated when it moves along the court.

To provide an athletic field which can be changed to a heterogeneous athletic court without requiring a vast land like a multipurpose sports facility in a patent literature 1 and without performing a court change work in order to solve a problem in a conventional technique.SOLUTION: A multi-court athletic field according to the prevent invention is an athletic field having audience seats and a competition area where competitions are performed, and includes a lift floor which is arranged in the competition area, a rail for audience seat which can be laid on the upper surface of the lift floor, and slide audience seats being a portion of the audience seats. Two kinds or more of courts for individual competition are arranged on the lift floor. The audience seats can move on the rail for audience seat. By movement of the left side slide audience seats and the right side slide audience seats on the rail for audience seat to the selected court for individual competition, a portion of the audience seats is arranged in the periphery of the court for individual competition.SELECTED DRAWING: Figure 2

The utility model discloses a plastic track ruling machine which comprises a frame body, a ruling mechanism and a material storage mechanism, the ruling mechanism and the material storage mechanism are both arranged on the frame body, and the ruling mechanism comprises a first rolling brush, a second rolling brush and an auxiliary rolling wheel. The first rolling brush, the second rolling brush and the auxiliary rolling wheel are attached to one another and rotationally connected to the frame body, the material storage mechanism comprises a supporting plate, the supporting plate is arranged on the frame body, a material storage groove is formed by the supporting plate and the frame body, a liquid outlet is formed in the supporting plate, and the liquid outlet is communicated with the liquid storage groove. The liquid outlet is attached to the second rolling brush. The utility model relates to the technical field of track marking, in particular to a plastic track marking machine. The technical problem to be solved by the utility model is to provide the plastic track ruling machine, so that the ruling quality is improved.

Mobile ski jumping facility (100) with - a main tower (1) consisting of individual parts that can be detachably connected to one another, and - a landing hill element (20) consisting of detachably connectable individual parts, wherein the landing hill element (20) extends in the direction of the jump from a first end of the landing hill element (20) to a second end (21) of the landing hill element (21), wherein the landing hill element (20) can be assembled from its individual parts in a lying assembly position, characterized in that the first end of the assembled landing hill element (20) can be raised on a landing hill side of the assembled main tower (1) and can be connected to the main tower (1) in a raised position.

The utility model relates to an ice cover system for an ice rink, which comprises a plurality of ice quilts, two adjacent ice quilts can be spliced transversely or longitudinally, each ice quilt comprises a square heat insulation plate, a heat insulation cavity is arranged in each heat insulation plate, polyurethane foam is arranged in each heat insulation cavity, anti-skid grains are uniformly arranged at the upper end of each heat insulation plate at intervals, and the upper end of each heat insulation plate is provided with an anti-skid layer. A groove is formed in one of two opposite sides of the upper end of each heat preservation plate, a protruding plate is arranged on the other side of the two opposite sides of the upper end of each heat preservation plate, every two adjacent heat preservation plates are overlapped and spliced through matching of the protruding plates and the grooves, and a plurality of cam lock connectors are arranged on the sides, provided with the grooves, of the heat preservation plates at intervals. A plurality of cam lock receivers are arranged on the sides, provided with the protruding plates, of the heat preservation plates at intervals, and the cam lock connectors and the cam lock receivers are matched to lock the two adjacent heat preservation plates. The composite board has the advantages of being reasonable in structural design, high in structural strength, good in bearing capacity, high in deformation resistance, good in heat insulation effect and the like.

This utility model discloses a multifunctional and practical table tennis court fencing system, comprising a fence structure. The upper and lower parts of the fence structure are respectively fitted with a thick light gray transparent acrylic sheet and a perforated powder-coated aluminum panel. A multifunctional post is located in the middle of the fence structure, and the post is equipped with charging components, monitoring components, lighting components, and storage components. A photovoltaic solar panel is installed at the top of the post, and an energy storage device is also installed inside, utilizing the photovoltaic solar panel to convert light energy into electrical energy and store it. This utility model achieves the effect of enhancing the fencing's interception capability and meeting the diverse needs of citizens.

The invention discloses a multi-angle ice wall for indoor ice climbing and an intelligent automatic maintenance system, and relates to the technical field of ice wall equipment. An intelligent maintenance unit is mounted on the outer side of the ice wall mechanism, the ice wall mechanism comprises a steel frame, an evaporator pipeline is mounted at the front end of the steel frame, anchoring nails are mounted at the front end of the steel frame, an ice layer mechanism is connected to the front ends of the anchoring nails, and the intelligent maintenance unit is located on the outer side of the ice layer mechanism; the intelligent maintenance unit comprises a frame mechanism, a spraying and repairing module and an ice cutting module are installed at the bottom of the frame mechanism, the spraying and repairing module is an atomization nozzle, and the ice cutting module is a stainless steel tooth blade cutter head. An ice layer is divided into a plurality of parts, and the interior of the ice layer mechanism is limited and fixed through a first steel wire fiber net and a second steel wire fiber net, so that the equipment is more convenient during ice wall manufacturing, and ice walls with different angles and different heights are built indoors; and meanwhile, the intelligent maintenance unit forms detection, repair and maintenance complementation work, so that the maintenance efficiency of the equipment is improved.

The utility model discloses a bottom mounting structure of a court fence, which belongs to the technical field of fence mounting structures and comprises a concrete base, an anchoring plate and an offset adjusting seat are fixedly connected onto the concrete base, a centrally arranged inserting mechanism and a fence column are fixedly arranged on the concrete base, and the bottom of the fence column is connected with the inserting mechanism in an inserting manner. And the locking mechanism is fixedly connected with the inserting mechanism through a locking piece. According to the technical key points, after the pouring position of the concrete base is fixed, a movable plate can move within a certain range by screwing an adjusting lead screw to drive an adjusting sliding block to slide in a base shell, so that the position of an inserting mechanism used for fixing the fence column can be adjusted within a certain range, and the positioning accuracy is improved. If the pouring position of the concrete base deviates or the position of the fence column needs to be adjusted, the operation can be achieved in the mode, in addition, the inserting mechanism can be connected with the bottom of the fence column in an inserted mode, the fence column can be supported, temporary supports do not need to be additionally arranged, and the installation efficiency can be remarkably improved.

The utility model relates to a line marker for sports events, the hopper is connected with the bottom plate through the support, the hopper lower end surface is equipped with the feeding pipe, and the feeding pipe is rotatably connected with the feeding screw rod, one end of bottom plate is equipped with the blanking tube, the blanking tube upper end is continuous with the feeding pipe, the blanking tube upper end is equipped with the opening degree adjusting part, the other end of bottom plate is equipped with the transmission part, the bottom plate lower end surface is symmetrically equipped with the support plate with transmission part position correspondence, the support plate between rotatably connected has the pivot, the pivot both ends are equipped with the gyro wheel, and the pivot drives the feeding screw rod to rotate through the transmission part, the bottom plate upper end surface is symmetrically equipped with the vertical board, and the vertical board upper end between is equipped with the push rod, its advantage lies in: lime slurry discharging speed and the marching speed are matched, guarantee the linearity of marking, and can according to the actual use situation to the width of marking carry out the flexible adjustment.

A game court structure (10) comprises a plurality of side walls (12) forming a closed perimeter, the side walls (12) being generally planar and comprising a target opening (14) for conversion of game balls. Five side walls (12) of same shape may be arranged on a pentagonal footprint. The target openings (14) may be provided with closed nets (16) of arm-length depth such that converted balls are in arm-length reach for quick retrieval. In some variants, posts between side walls are provided with basketball hoops. In some variants, both openings (14) and basketball hoops are provided in one game court structure. The side walls (12) may have a square shape of typically two to four metres side length. The game court structure (10) enables fast-paced ball games in small team numbers of two to six players, the netted target areas permitting fast retrieval of converted balls.

An apparatus, system, and method for connecting mats, according to which a mat connecting device secured to a first mat includes a magnet for detachably connecting the first mat to a second mat. Specifically, the magnet is adapted to detachably connect the mat connecting device secured to the first mat to another mat connecting device associated with the second mat.

A smart stadium (100) based on arrayed gratings, and an information sensing system. The smart stadium (100) based on arrayed gratings comprises a foundation layer (10) and a motion contact layer (30), and further comprises an arrayed grating layer (20), wherein the arrayed grating layer (20) is located inside the foundation layer (10), or is located inside the motion contact layer (30), or is located between the foundation layer (10) and the motion contact layer (30); and the arrayed grating layer (20) is used to sense sensing data transmitted by the motion contact layer (30).

The utility model provides a waste conveyer belt braided fabric composite paving coiled material, a paving field and a field, the composite paving coiled material comprises a surface layer, a braided tensile buffer layer and a bonding glue layer, and the surface layer, the braided tensile buffer layer and the bonding glue layer are sequentially arranged from top to bottom; the surface layer is made of a synthetic elastomer material, and the adhesive layer is made of thermoplastic elastomer adhesive or butyl adhesive; the woven tensile buffer layer is formed by weaving transverse woven strips and longitudinal woven strips in a criss-cross mode, and at least one of the transverse woven strips and the longitudinal woven strips is formed by cutting the waste conveying belt into strips. According to the coiled material, the integrality, the tensile strength, the impact strength, the elastic recovery and other indexes of a pavement material are improved, the tensile strength is larger than or equal to 3.0 Mpa, the elongation at break is larger than or equal to 60%, and therefore the phenomena of fracture and cracking of a pavement surface layer are avoided; the impact absorption is more than or equal to 35%, the rebound rate is more than or equal to 35%, and the performance indexes are improved compared with those of the existing paving material.

The invention relates to a polygonal enclosure defining an activity area, comprising a plurality of main posts (10a) and a plurality of vertical panels (20), the lower end of a post being fixed to the ground and each vertical edge (21, 22) of a panel being fixed to a vertical edge of a consecutive panel or to a post, characterized in that it also comprises a plurality of horizontal beams (30a, 30b), each end of a beam being fixed to an upper part of a post or to an end of a consecutive beam, in that the vertical edges of two consecutive panels forming an angle are fixed to each other and in that the ends of two consecutive beams forming an angle are fixed to each other. Figure 1

The invention provides a modular teaching aid for physical fitness teaching. A functional area is arranged on the top surface of the base plate; the two assembling parts are respectively arranged at the front end and the rear end of the base plate; the functional area is provided with a functional part protruding out of the top surface of the base plate; by changing the functional area of the base plate, the teaching aid can generate different topographic changes, the change is rapid, the whole group of teaching aids does not need to be changed, the switching and the assembly are easy, the assembling and the extension can be performed through the assembling parts at the two ends, and the variability of the teaching aid and the teaching is increased.