CN115382191B

CN115382191B - Indoor skiing simulation device and application method thereof

Info

Publication number: CN115382191B
Application number: CN202210148444.4A
Authority: CN
Inventors: 刘宇; 宫佳明; 潘秋雪
Original assignee: Qiqihar University
Current assignee: Heilongjiang Quanjiao Electronics Manufacturing Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2023-05-23
Anticipated expiration: 2042-02-18
Also published as: CN115382191A

Abstract

The invention discloses an indoor skiing simulation device and a using method thereof, comprising a mechanical expansion type tensioning speed change mechanism, a slope sliding simulation mechanism, a main body base of the simulator, a parallelogram slope adjustment structure and a speed change drive mechanism. The invention belongs to the technical field of skiing simulation devices, and specifically refers to an indoor skiing simulation device and its use method; the invention uses a mechanically expandable tension shifting mechanism that is used in conjunction with a longitudinally telescopic slope simulation track, and an umbrella shape that can expand and change The telescopic piece changes the diameter of the drive roller, making the snow slope appear soft at low speed and hard at high speed; the present invention also uses the slope sliding simulation mechanism, the main body base of the simulator and the parallelogram slope adjustment structure, and the vertical slope that can adjust the speed and change the slope. The telescopic slope simulation crawler simulates a snow slope, and the parallelogram component ensures that the horizontal platform can always maintain a horizontal state no matter how the slope changes, which is convenient for people to make preparations on it.

Description

Indoor skiing simulation device and application method thereof

Technical Field

The invention belongs to the technical field of skiing simulation devices, and particularly relates to a indoor skiing simulation device and a use method thereof.

Background

The skiing sport is a sport item that a sportsman wearing a skiing board slides down on an inclined snow slope, has higher fun and ornamental value, is taken as a very favorite sport item of people, has more field requirements than a general item, and generally needs to meet the following points at the same time:

a: the ground is large enough, and the ordinary skis are difficult to control to turn, so that the ordinary skis are straight;

b: the ground is provided with a slope, so that a person can hardly accelerate on a flat ground, and the acceleration and the highest speed are small even if the person can accelerate, and therefore, the person generally needs to slide down from the slope and accelerate by gravity;

c: the environment temperature is low, and even artificial snow can be stored only in a low-temperature environment, so that skiing can be performed only indoors or outdoors where it is cold.

Based on the above situation, the skiing exercise and the skiing training are limited in various aspects, and the invention provides the indoor skiing simulation device which is small in occupied area, low in environmental requirement, adjustable in gradient and convenient for commercial application and the application method thereof.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the indoor skiing simulation device which has small occupied area, low environmental requirement and adjustable gradient and is convenient for commercial application and the use method thereof; in order to solve the problems that the existing skiing simulation device needs to rely on terrains, occupies a large area and is fixed in gradient, the invention creatively provides a slope sliding simulation mechanism, a simulator main body base and a parallelogram gradient adjusting structure, a longitudinal telescopic slope simulation crawler belt capable of adjusting speed and changing gradient simulates a snow slope, a parallelogram assembly is used for ensuring that a horizontal platform can always keep a horizontal state no matter how the gradient changes, and a person can conveniently prepare the snow slope on the snow slope.

The biggest difference between actual skiing and simulated skiing is the hardness change of the contact surface, and the person can feel a learned buffer at low speed because the snow is soft, but feel that the surface of the snow is harder at high speed sliding; if only the friction coefficient is considered, the experience is very distorted at low speed when a conventional hard material is used for simulating a snow slope, and when a soft material is used for running at high speed, the longitudinal telescopic slope simulation crawler belt is greatly swung, so that the high-speed experience is distorted and is very dangerous; therefore, the invention creatively provides a mechanical expansion type tensioning speed change mechanism matched with a longitudinal telescopic slope simulation crawler belt, and the diameter of a driving roller is changed through an umbrella-shaped telescopic part capable of expanding and changing, so that the snow slope has the effects of being soft at low speed and hard at high speed.

The technical scheme adopted by the invention is as follows: the invention provides an indoor skiing simulation device which comprises a mechanical expansion type tensioning speed change mechanism, a slope sliding simulation mechanism, a simulator main body base, a parallelogram slope adjustment structure and a speed change driving mechanism, wherein the parallelogram slope adjustment structure is arranged on the simulator main body base, the simulator main body base is a base capable of slidably adjusting a slope angle, the parallelogram slope adjustment structure can ensure that the surface hardness of the longitudinal expansion type slope simulation crawler belt is increased along with the increase of the speed in the slope angle adjustment process regardless of the change of the slope, the speed change driving mechanism is arranged on the parallelogram slope adjustment structure and is used for controlling the transmission speed of the longitudinal expansion type slope simulation crawler belt through the speed change driving mechanism, the mechanical expansion type tensioning speed change mechanism is arranged on the parallelogram slope adjustment structure, the longitudinal expansion type slope simulation crawler belt can be driven to move through the rotation of the mechanical expansion type tensioning speed change mechanism, the transmission speed of the longitudinal expansion type slope simulation crawler belt can be adjusted steplessly under the condition that the rotation speed of a driving motor is constant, the surface hardness of the longitudinal expansion type slope simulation crawler belt is increased along with the increase of the speed, and the sliding simulation crawler belt is arranged on the slope simulation main body.

Further, mechanical expansion formula tensioning speed change mechanism includes track drive assembly, expansion type speed change assembly and mechanical transmission type expansion drive assembly, and mechanical expansion type tensioning speed change mechanism's diameter can be adjusted, and the installation maintenance of the vertical telescopic slope simulation track of being convenient for, track drive assembly are the cylinder subassembly of combination, mechanical transmission type expansion drive assembly rotates to locate in the parallelogram slope adjusts the structure, track drive assembly rotates to locate on the mechanical transmission type expansion drive assembly, can control expansion type speed change assembly's shrink and stretch out through mechanical transmission type expansion drive assembly, expansion type speed change assembly annular equipartition is located in the track drive assembly.

Preferably, the track driving assembly comprises a flange type roller clamping seat, a combined fan-shaped roller sheet and a roller driven pulley, wherein two groups of flange type roller clamping seats are symmetrically arranged, clamping seat flange plates are arranged on the flange type roller clamping seat, clamping seat polygonal driving platforms are arranged on one sides of the clamping seat flange plates, clamping seat square bosses are uniformly distributed on the other sides of the clamping seat flange plates in an annular mode, clamping seat center reference holes are formed in the flange type roller clamping seat, the combined fan-shaped roller sheet is clamped in gaps between the clamping seat square bosses, the flange type roller clamping seat and the combined fan-shaped roller sheet are of a split type modularized combined structure, assembly of the expansion type speed changing assembly is facilitated, maintenance and replacement of parts are facilitated, and the roller driven pulley is clamped on the clamping seat polygonal driving platforms.

Preferably, the expansion speed changing component comprises an umbrella-shaped telescopic part, a telescopic driving sliding block I and a telescopic driving sliding block II, wherein the umbrella-shaped telescopic part is annularly and uniformly arranged in a gap between the combined fan-shaped roller sheets, the umbrella-shaped telescopic part is provided with an arc umbrella top, when the umbrella-shaped telescopic part stretches out, although the arc umbrella top cannot form a regular whole circle, the longitudinal telescopic slope simulation crawler can still be elongated and the transmission speed of the longitudinal telescopic slope simulation crawler is improved, the umbrella-shaped telescopic part is also symmetrically provided with an inclined slope sliding part, the umbrella-shaped telescopic part is provided with an inclined plane sliding clamping groove on the inclined plane sliding part, the telescopic driving sliding block I is provided with an inclined plane sliding lug boss in a clamping manner through the inclined plane sliding lug I, the inclined plane sliding lug I and the inclined plane sliding lug II are inseparable in a sliding process, the telescopic driving sliding block I is also provided with an arc bottom limiting piece, the telescopic driving sliding lug I is provided with an arc bottom limiting piece in a clamping manner in a gap between the combined fan-shaped roller sheets, the telescopic driving sliding block I is provided with an arc bottom limiting piece in a clamping manner, the telescopic driving lug II is provided with an inclined plane sliding limiting lug II in a sliding manner, the sliding lug II is arranged in a sliding manner through the inclined plane sliding lug II is arranged in the inclined plane sliding lug II, and the telescopic driving lug II is arranged in a sliding manner through the inclined plane sliding limiting lug II, and the second telescopic driving sliding block is provided with a back driving thread on the second arc-shaped bottom limiting piece.

As a further preferred aspect of the present invention, the mechanically-driven expansion driving assembly includes a central variable speed spindle screw, a spacer, and a variable speed driven pulley, the central variable speed spindle screw is rotatably disposed in the parallelogram slope adjustment structure, the flange roller clamping seat is rotatably disposed at two ends of the central variable speed spindle screw through a clamping seat central reference hole, symmetrical positions of the central variable speed spindle screw are respectively provided with a screw forward thread portion and a screw reverse thread portion, the screw forward thread portion is in threaded engagement with the forward driving thread, the screw reverse thread portion is in threaded engagement with the reverse driving thread, the movement directions of the first telescopic driving slider and the second telescopic driving slider are opposite, when the central variable speed spindle screw rotates, the first telescopic driving slider and the second telescopic driving slider move in opposite directions or relatively, the spacer is clamped on the central variable speed spindle screw, and the variable speed driven pulley is clamped on the central variable speed spindle screw.

Further, slope slides analog mechanism includes lower cylinder support base, lower cylinder main shaft, lower cylinder body, vertical telescopic slope analog track and slope connecting rod, lower cylinder support base symmetry is located on the simulator main body base, lower cylinder main shaft block is located in the lower cylinder support base, lower cylinder main shaft is rotated and is located down on the cylinder main shaft, vertical telescopic slope analog track rolls and locates down on the cylinder body, vertical telescopic slope analog track rolls and locates on the umbrella-shaped extensible member, vertical telescopic slope analog track is elastic material, vertical telescopic slope analog track's inside array is equipped with the horizontal pole skeleton, prevents through horizontal pole skeleton that vertical telescopic slope analog track from transversely deforming, prevents that vertical telescopic slope analog track from being narrowed by the in-process that is elongated, the one end rotation of slope connecting rod is located down on the cylinder main shaft, the other end rotation of slope connecting rod is located on the central speed change main shaft screw rod.

Further, the simulator main body base comprises a main bottom plate, linear sliding rails and a gradient adjusting driving assembly, wherein the lower roller supporting base is symmetrically arranged on the main bottom plate, the linear sliding rails are symmetrically arranged on the main bottom plate, and the gradient adjusting driving assembly is arranged at the center of the main bottom plate; the slope adjustment driving assembly comprises an electric push cylinder fixing frame and an electric push cylinder body, the electric push cylinder fixing frame is arranged on the main bottom plate, the electric push cylinder body is clamped in the electric push cylinder fixing frame, and the bottom position of the parallelogram slope adjustment structure can be changed through the expansion and contraction of the electric push cylinder body.

Further, the parallelogram slope adjusting structure comprises a synchronous sliding assembly and a parallelogram assembly, the synchronous sliding assembly comprises a linear sliding block, a hinged base and a driving action connecting rod, the linear sliding block is clamped and slidingly arranged on the linear sliding rail, the hinged base is arranged on the linear sliding block, a base hinge shaft is arranged on the hinged base, the driving action connecting rod is arranged between two groups of hinged bases, a connecting rod center cake is arranged at the center position of the driving action connecting rod, and the end part of the electric pushing cylinder body is arranged on the connecting rod center cake; the parallelogram subassembly includes horizontal connecting rod body, indulges and puts connecting rod body and side linkage circle axle, horizontal connecting rod body and indulge and put the connecting rod body and constitute parallelogram structure, horizontal connecting rod body and indulge the both ends of putting the connecting rod body and be articulated position, horizontal connecting rod body and indulge one of them a set of rotation of putting the connecting rod body locate on the side linkage circle axle, because parallelogram's opposite side is parallel all the time, therefore under the circumstances of a set of horizontal connecting rod body horizontal slip in bottom, a set of horizontal connecting rod body also remains the horizontality all the time above.

Further, the variable speed drive mechanism comprises a horizontal platform, a main drive assembly and a variable speed drive assembly, platform side plates are symmetrically arranged on the horizontal platform, the horizontal platform is fixedly connected to the upper two groups of the transverse connecting rod body through the platform side plates, the main drive assembly is arranged on the horizontal platform, and the variable speed drive assembly is arranged on the horizontal platform.

Preferably, the main driving assembly comprises a main driving motor, a main driving belt pulley and a main driving belt, wherein the main driving motor is arranged on the horizontal platform, the main driving belt pulley is clamped on an output shaft of the main driving motor, the main driving belt is arranged on the main driving belt pulley, and the main driving belt is arranged on the roller driven belt pulley; the speed change driving assembly comprises a speed change driving motor, a speed change driving belt pulley and a speed change driving belt, the speed change driving motor is arranged on the horizontal platform, the speed change driving belt pulley is clamped on an output shaft of the speed change driving motor, the speed change driving belt is arranged on the speed change driving belt pulley, and the speed change driving belt is arranged on the speed change driven belt pulley.

The invention also discloses a use method of the indoor skiing simulation device, which mainly comprises the following steps:

Step one: the athlete is ready to act on the horizontal platform, then slides into the inclined longitudinal telescopic slope simulation track to simulate the sliding on the snow slope;

step two: the main driving assembly is started, the main driving motor rotates along with the roller driven belt wheel through the main driving belt wheel and the main driving belt, the combination of the flange type roller clamping seat and the combined fan-shaped roller sheet rotates around the central speed change spindle screw rod, the longitudinal telescopic slope simulation crawler belt wound on the umbrella-shaped telescopic element rotates synchronously, and the speed of the longitudinal telescopic slope simulation crawler belt is controlled by a coach in the sliding process so as to be matched with the acceleration of a sportsman;

step three: when the speed is accelerated to the rated speed, the rotating speed is constant, and the transmission speed of the longitudinal telescopic slope simulation crawler belt is controlled through the expansion and the contraction of the expansion type speed changing component;

step four: when the speed needs to be increased, starting a variable speed driving assembly, enabling a variable speed driving motor to rotate through a variable speed driving belt pulley and further enabling a central variable speed main shaft screw rod to rotate, in the process of rotating the central variable speed main shaft screw rod, conducting thread transmission through a positive thread part of the screw rod and a first telescopic driving sliding block, conducting thread transmission through a reverse thread part of the screw rod and a second telescopic driving sliding block, driving the first telescopic driving sliding block and the second telescopic driving sliding block to slide reversely, enabling an umbrella-shaped telescopic piece to slide to the outer side of a mechanical expansion type tensioning speed changing mechanism under the combined action of the first telescopic driving sliding block and the second telescopic driving sliding block, increasing the outer diameter of a ring enclosed by the top of an arc-shaped umbrella, and accordingly improving the surface speed of a longitudinal telescopic slope simulation crawler;

Step five: in the process of expanding the expansion type speed changing component, the longitudinal telescopic slope simulation crawler belt is longitudinally stretched, the circumference of the longitudinal telescopic slope simulation crawler belt is increased, and the surface hardness is increased, so that the effect of snowfield during high-speed sliding is simulated;

step six: when the gradient of the longitudinal telescopic slope simulation crawler belt needs to be adjusted, the longitudinal height of the parallelogram gradient adjustment structure can be changed only by extending and retracting the electric push cylinder body, so that the gradient of the longitudinal telescopic slope simulation crawler belt is changed.

The beneficial effects obtained by the invention by adopting the structure are as follows:

(1) The simulator main body base is a base capable of slidably adjusting the slope angle, and the parallelogram slope adjusting structure can ensure that the horizontal platform is always in a horizontal state no matter how the slope changes in the slope angle adjusting process;

(2) The mechanical expansion type tensioning speed change mechanism rotates to bring the longitudinal telescopic slope to simulate the track movement, the expansion and contraction of the mechanical expansion type tensioning speed change mechanism can steplessly adjust the transmission speed of the longitudinal telescopic slope simulated track under the condition that the rotation speed of a driving motor is constant, the surface hardness of the longitudinal telescopic slope simulated track is increased along with the increase of the speed, and the contact surface form of the snow slope sliding is simulated;

(3) The diameter of the mechanical expansion type tensioning speed change mechanism can be adjusted, so that the installation and maintenance of the longitudinal telescopic slope simulation crawler belt are facilitated, and the crawler belt driving assembly is a combined roller assembly;

(4) The flange type roller clamping seat and the combined fan-shaped roller sheet are of a split and modularized combined structure, so that the assembly of the expansion type speed changing assembly is facilitated, and the maintenance and the replacement of parts are facilitated;

(5) The first telescopic driving sliding block and the second telescopic driving sliding block move in opposite directions or relatively move when the central speed change spindle screw rotates;

(6) The transverse rod framework prevents the longitudinal telescopic slope simulation crawler from transversely deforming and prevents the longitudinal telescopic slope simulation crawler from narrowing in the process of being lengthened;

(7) The diameter of the driving roller is changed through the umbrella-shaped telescopic element which can be expanded and changed, so that the snow slope has the effects of low speed softness and high speed hardness;

(8) The contraction and the extension of the expansion type speed changing component can be controlled by the mechanical transmission type expansion driving component.

Drawings

FIG. 1 is a perspective view of a snowboarding simulation device according to the present invention;

FIG. 2 is a front view of a snowboard simulator according to the present invention;

FIG. 3 is a top view of a snowboard simulator according to the present invention;

FIG. 4 is a cross-sectional view taken along section line A-A of FIG. 2;

FIG. 5 is a cross-sectional view taken along section line B-B in FIG. 4;

FIG. 6 is a schematic diagram of a mechanical expansion type tensioning and speed changing mechanism of a snowboarding simulation device according to the present invention;

FIG. 7 is a schematic view of a slope sliding simulation mechanism of a snowboarding simulation device according to the present invention;

FIG. 8 is a schematic view of a structure of a simulator body chassis of a snowboard simulator according to the present invention;

FIG. 9 is a schematic diagram of a parallelogram slope adjusting structure of a snowboard simulator according to the present invention;

FIG. 10 is a schematic diagram of a variable speed driving mechanism of a snowboard simulator according to the present invention;

FIG. 11 is an enlarged view of a portion of the portion I of FIG. 4;

FIG. 12 is an enlarged view of a portion of the portion II of FIG. 4;

FIG. 13 is an enlarged view of a portion of III of FIG. 5;

fig. 14 is an enlarged view of a portion at iv in fig. 4.

Wherein, 1, a mechanical expansion type tensioning speed change mechanism, 2, a slope sliding simulation mechanism, 3, a simulator main body base, 4, a parallelogram slope adjusting structure, 5, a speed change driving mechanism, 6, a track driving component, 7, an expansion type speed change component, 8, a mechanical transmission type expansion driving component, 9, a flange type roller clamping seat, 10, a combined fan-shaped roller sheet, 11, a roller driven pulley, 12, an umbrella-shaped expansion piece, 13, a first expansion driving sliding block, 14, a second expansion driving sliding block, 15, a central speed change main shaft screw, 16, a gasket, 17, a speed change driven pulley, 18, a clamping seat polygon driving platform, 19, a clamping seat flange plate, 20, a clamping seat square boss, 21, a clamping seat central reference hole, 22, an arc umbrella top, 23, an inclined sliding part, 24, an inclined sliding clamping groove, 25, an inclined sliding boss I, 26 and an arc bottom limiting plate I, 27, positive drive screw, 28, second inclined slide boss, 29, second arc bottom limit plate, 30, reverse drive screw, 31, screw positive screw portion, 32, screw reverse screw portion, 33, lower roller support base, 34, lower roller main shaft, 35, lower roller body, 36, longitudinal telescopic inclined analog crawler, 37, cross bar skeleton, 38, main bottom plate, 39, linear slide rail, 40, gradient adjustment drive assembly, 41, electric push cylinder fixing frame, 42, electric push cylinder body, 43, synchronous slide assembly, 44, parallelogram assembly, 45, linear slide block, 46, hinge base, 47, drive action link, 48, transverse link body, 49, longitudinal link body, 50, side link round shaft, 51, base hinge shaft, 52, link center round cake, 53, horizontal platform, 54, main drive assembly, 55, variable speed drive assembly, 56. platform side plates, 57, main drive motors, 58, main drive pulleys, 59, main drive belts, 60, variable speed drive motors, 61, variable speed drive pulleys, 62, variable speed drive belts, 63, and ramp links.

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

As shown in fig. 1, the present invention provides a snowboard simulator, which comprises a mechanical expansion type tensioning speed change mechanism 1, a slope sliding simulation mechanism 2, a simulator main body base 3, a parallelogram slope adjustment structure 4 and a speed change driving mechanism 5, wherein the parallelogram slope adjustment structure 4 is arranged on the simulator main body base 3, the simulator main body base 3 is a base capable of slidably adjusting a slope angle, the parallelogram slope adjustment structure 4 can ensure that no matter how the slope changes in the process of slope angle adjustment, the horizontal platform 53 is always in a horizontal state, the speed change driving mechanism 5 is arranged on the parallelogram slope adjustment structure 4, the speed change driving mechanism 5 is used for controlling the transmission speed of the longitudinal telescopic slope simulation crawler 36, the mechanical expansion type tensioning speed change mechanism 1 is arranged on the parallelogram slope adjustment structure 4, the longitudinal telescopic slope simulation crawler 36 can be moved by the rotation of the mechanical expansion type tensioning speed change mechanism 1, the transmission speed of the longitudinal telescopic slope simulation crawler 36 can be continuously adjusted under the condition that the rotation speed of a driving motor is constant, the longitudinal telescopic slope simulation crawler 36 is enabled to be enabled to continuously adjust in the sliding state along with the change of the slope, the hardness of the longitudinal telescopic slope simulation crawler is enabled to be increased along with the increase of the surface of the slope simulation crawler, and the simulator main body is arranged on the slope simulation surface of the snow simulator 2.

As shown in fig. 1, 2, 5 and 8, the simulator main body base 3 includes a main bottom plate 38, a linear slide rail 39 and a gradient adjusting driving assembly 40, the lower roller support base 33 is symmetrically disposed on the main bottom plate 38, the linear slide rail 39 is symmetrically disposed on the main bottom plate 38, and the gradient adjusting driving assembly 40 is disposed at a central position of the main bottom plate 38; the gradient adjustment drive assembly 40 includes an electric push cylinder fixing frame 41 and an electric push cylinder body 42, the electric push cylinder fixing frame 41 is arranged on the main bottom plate 38, the electric push cylinder body 42 is clamped in the electric push cylinder fixing frame 41, and the bottom position of the parallelogram gradient adjustment structure 4 can be changed through the expansion and contraction of the electric push cylinder body 42.

As shown in fig. 1, 3, 9 and 14, the parallelogram slope adjusting structure 4 comprises a synchronous sliding component 43 and a parallelogram component 44, wherein the synchronous sliding component 43 comprises a linear sliding block 45, a hinged base 46 and a driving action connecting rod 47, the linear sliding block 45 is clamped and slidingly arranged on a linear sliding rail 39, the hinged base 46 is arranged on the linear sliding block 45, a base hinged shaft 51 is arranged on the hinged base 46, the driving action connecting rod 47 is arranged between two groups of hinged bases 46, a connecting rod center round cake 52 is arranged at the center of the driving action connecting rod 47, and the end part of the electric pushing cylinder body 42 is arranged on the connecting rod center round cake 52; the parallelogram assembly 44 comprises a horizontal connecting rod body 48, a vertical connecting rod body 49 and a side linkage circular shaft 50, the horizontal connecting rod body 48 and the vertical connecting rod body 49 form a parallelogram structure, both ends of the horizontal connecting rod body 48 and the vertical connecting rod body 49 are hinged parts, one group of the horizontal connecting rod body 48 and the vertical connecting rod body 49 is rotationally arranged on the side linkage circular shaft 50, and because opposite sides of the parallelogram are always parallel, under the condition that the bottom group of the horizontal connecting rod bodies 48 horizontally slide, the upper group of horizontal connecting rod bodies 48 also always keep a horizontal state.

As shown in fig. 1, 2 and 7, the slope sliding simulation mechanism 2 comprises a lower roller support base 33, a lower roller main shaft 34, a lower roller body 35, a longitudinal telescopic slope simulation track 36 and a slope connecting rod 63, wherein the lower roller support base 33 is symmetrically arranged on the simulator main body base 3, the lower roller main shaft 34 is clamped in the lower roller support base 33, the lower roller body 35 is rotationally arranged on the lower roller main shaft 34, the longitudinal telescopic slope simulation track 36 is rotationally arranged on the lower roller main body 35, the longitudinal telescopic slope simulation track 36 is rotationally arranged on the umbrella-shaped telescopic element 12, the longitudinal telescopic slope simulation track 36 is made of an elastic material, a cross rod framework 37 is arranged in an inner array of the longitudinal telescopic slope simulation track 36, the transverse rod framework 37 is used for preventing the longitudinal telescopic slope simulation track 36 from being transversely deformed, one end of the slope connecting rod 63 is rotationally arranged on the lower roller main shaft 34 in the process of being elongated, and the other end of the slope connecting rod 63 is rotationally arranged on the central speed change main shaft screw 15.

As shown in fig. 1, 2, 5, 6, 11 and 13, the mechanical expansion type tensioning speed changing mechanism 1 comprises a track driving component 6, an expansion type speed changing component 7 and a mechanical transmission type expansion driving component 8, the diameter of the mechanical expansion type tensioning speed changing mechanism 1 can be adjusted, the installation and maintenance of a longitudinal telescopic slope simulation track 36 are facilitated, the track driving component 6 is a combined roller component, the mechanical transmission type expansion driving component 8 is rotationally arranged in the parallelogram slope adjusting structure 4, the track driving component 6 is rotationally arranged on the mechanical transmission type expansion driving component 8, the contraction and the extension of the expansion type speed changing component 7 can be controlled through the mechanical transmission type expansion driving component 8, and the expansion type speed changing component 7 is annularly and uniformly arranged in the track driving component 6; the crawler belt driving assembly 6 comprises a flange type roller clamping seat 9, a combined fan-shaped roller sheet 10 and a roller driven belt pulley 11, wherein two groups of flange type roller clamping seats 9 are symmetrically arranged, clamping seat flange plates 19 are arranged on the flange type roller clamping seat 9, clamping seat polygonal driving platforms 18 are arranged on one sides of the clamping seat flange plates 19, clamping seat square bosses 20 are annularly and uniformly arranged on the other sides of the clamping seat flange plates 19 in the flange type roller clamping seat 9, clamping seat center reference holes 21 are formed in the flange type roller clamping seat 9, the combined fan-shaped roller sheet 10 is clamped in gaps among the clamping seat square bosses 20, the flange type roller clamping seat 9 and the combined fan-shaped roller sheet 10 are of a split type and modularized combined structure, assembly of the expansion type speed changing assembly 7 is facilitated, parts are convenient to maintain and replace, and the roller driven belt pulley 11 is clamped on the clamping seat polygonal driving platforms 18; the expansion type speed changing assembly 7 comprises an umbrella-shaped telescopic element 12, a first telescopic driving sliding block 13 and a second telescopic driving sliding block 14, wherein the umbrella-shaped telescopic element 12 is annularly and uniformly arranged in a gap between the combined fan-shaped roller sheets 10, an arc-shaped umbrella top 22 is arranged on the umbrella-shaped telescopic element 12, when the umbrella-shaped telescopic element 12 stretches out, although the arc-shaped umbrella top 22 cannot form a regular whole circle, the longitudinal telescopic slope simulation crawler 36 can still be lengthened and the transmission speed of the longitudinal telescopic slope simulation crawler 36 is improved, an inclined sliding part 23 is symmetrically arranged on the umbrella-shaped telescopic element 12, an inclined sliding clamping groove 24 is arranged on the inclined sliding part 23, an inclined sliding boss 25 is arranged on the first telescopic driving sliding block 13 in a clamping and sliding way through the inclined sliding boss 25, the first inclined plane sliding boss 25 and the second inclined plane sliding clamping groove 24 are inseparable in the sliding process, the first telescopic driving slide block 13 is also provided with a first arc-shaped bottom limiting piece 26, the first telescopic driving slide block 13 is clamped and slidingly arranged in a gap between the combined fan-shaped roller pieces 10 through the first arc-shaped bottom limiting piece 26, the first telescopic driving slide block 13 is provided with a positive driving screw thread 27 on the first arc-shaped bottom limiting piece 26, the second telescopic driving slide block 14 is provided with a second inclined plane sliding boss 28, the second telescopic driving slide block 14 is clamped and slidingly arranged in the inclined plane sliding clamping groove 24 through the second inclined plane sliding boss 28, the second inclined plane sliding boss 28 and the inclined plane sliding clamping groove 24 are inseparable in the sliding process, the second telescopic driving slide block 14 is provided with a second arc-shaped bottom limiting piece 29, the second telescopic driving slide block 14 is clamped and slidingly arranged in the gap between the combined fan-shaped roller pieces 10 through the second arc-shaped bottom limiting piece 29, the second telescopic driving slide block 14 is provided with a back driving screw thread 30 on the second arc-shaped bottom limiting piece 29; the mechanical transmission type expansion driving assembly 8 comprises a central speed change spindle screw 15, a gasket 16 and a speed change driven pulley 17, wherein the central speed change spindle screw 15 is rotationally arranged in the parallelogram slope adjusting structure 4, a flange type roller clamping seat 9 is rotationally arranged at two ends of the central speed change spindle screw 15 through a clamping seat central reference hole 21, a screw positive thread part 31 and a screw negative thread part 32 are respectively arranged at symmetrical positions of the central speed change spindle screw 15, the screw positive thread part 31 is in threaded fit with a positive driving thread 27, the screw negative thread part 32 is in threaded fit with a negative driving thread 30, the movement directions of a telescopic driving slide block I13 and a telescopic driving slide block II 14 are opposite, when the central speed change spindle screw 15 rotates, the telescopic driving slide block I13 and the telescopic driving slide block II 14 are in opposite or opposite movement, the gasket 16 is clamped on the central speed change spindle screw 15, and the speed change driven pulley 17 is clamped on the central speed change spindle screw 15.

As shown in fig. 1, 3, 4 and 10, the variable speed driving mechanism 5 comprises a horizontal platform 53, a main driving component 54 and a variable speed driving component 55, platform side plates 56 are symmetrically arranged on the horizontal platform 53, the horizontal platform 53 is fixedly connected to the upper two groups of the transverse connecting rod body 48 through the platform side plates 56, the main driving component 54 is arranged on the horizontal platform 53, and the variable speed driving component 55 is arranged on the horizontal platform 53; the main driving assembly 54 comprises a main driving motor 57, a main driving belt pulley 58 and a main driving belt 59, the main driving motor 57 is arranged on the horizontal platform 53, the main driving belt pulley 58 is clamped on an output shaft of the main driving motor 57, the main driving belt 59 is arranged on the main driving belt pulley 58, and the main driving belt 59 is arranged on the roller driven belt pulley 11; the variable speed drive assembly 55 includes a variable speed drive motor 60, a variable speed drive pulley 61, and a variable speed drive belt 62, the variable speed drive motor 60 is disposed on the horizontal platform 53, the variable speed drive pulley 61 is engaged with an output shaft of the variable speed drive motor 60, the variable speed drive belt 62 is disposed on the variable speed drive pulley 61, and the variable speed drive belt 62 is disposed on the variable speed driven pulley 17.

In particular use, firstly the user needs to prepare for the movement of the athlete on the horizontal platform 53, and then slide into the inclined longitudinal telescopic slope simulation track 36 to simulate the sliding on the snow slope;

The main driving assembly 54 is started, the main driving motor 57 rotates along with the roller driven pulley 11 through the main driving pulley 58 and the main driving belt 59, then the combination of the flange type roller clamping seat 9 and the combined fan-shaped roller sheet 10 rotates around the central speed changing spindle screw rod 15, then the longitudinal telescopic slope simulation crawler 36 wound on the umbrella-shaped telescopic element 12 synchronously rotates, and in the sliding process, a coach controls the speed of the longitudinal telescopic slope simulation crawler 36 to be matched with the acceleration of a sportsman;

when the speed is accelerated to the rated speed, the rotating speed is constant, and the transmission speed of the longitudinal telescopic slope simulation crawler 36 is controlled by the expansion and contraction of the expansion type speed changing assembly 7;

when the speed needs to be increased, the variable speed driving assembly 55 is started, the variable speed driving motor 60 drives the variable speed driven pulley 17 to rotate through the variable speed driving pulley 61 and the variable speed driving belt 62, and then drives the central variable speed main shaft screw rod 15 to rotate, in the process of rotating, the central variable speed main shaft screw rod 15 carries out screw thread transmission through the screw positive thread part 31 and the telescopic driving slide block I13, and carries out screw thread transmission through the screw negative thread part 32 and the telescopic driving slide block II 14, so that the telescopic driving slide block I13 and the telescopic driving slide block II 14 are driven to reversely slide, the umbrella-shaped telescopic element 12 slides to the outer side of the mechanical expansion type tensioning speed changing mechanism 1 under the combined action of the telescopic driving slide block I13 and the telescopic driving slide block II 14, the outer diameter of a ring enclosed by the arc-shaped umbrella top 22 is increased, and the surface speed of the longitudinal telescopic slope simulation track 36 is increased;

During the expansion of the expansion type speed changing assembly 7, the longitudinal telescopic slope simulation crawler 36 is elongated longitudinally, and at the moment, the circumference of the longitudinal telescopic slope simulation crawler 36 is increased, and the surface hardness is increased, so that the effect of snowy high-speed sliding is simulated;

when it is desired to adjust the gradient of the longitudinally telescoping ramp simulation track 36, the longitudinal height of the parallelogram gradient adjustment structure 4 can be changed by only extending and retracting the electric push cylinder body 42, thereby changing the gradient of the longitudinally telescoping ramp simulation track 36.

The whole working flow of the invention is just the above, and the step is repeated when the invention is used next time.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.

Claims

1. A snowboarding simulation device, characterized in that: including simulator main part base (3) and parallelogram slope regulation structure (4), parallelogram slope regulation structure (4) are located on simulator main part base (3), its characterized in that: the mechanical expansion type tensioning speed change mechanism (1), the slope sliding simulation mechanism (2) and the speed change driving mechanism (5) are further included, the speed change driving mechanism (5) is arranged on the parallelogram slope adjusting structure (4), the mechanical expansion type tensioning speed change mechanism (1) is arranged on the parallelogram slope adjusting structure (4), and the slope sliding simulation mechanism (2) is arranged on the simulator main body base (3); the mechanical expansion type tensioning speed change mechanism (1) comprises a crawler driving assembly (6), an expansion type speed change assembly (7) and a mechanical transmission type expansion driving assembly (8), wherein the mechanical transmission type expansion driving assembly (8) is rotationally arranged in the parallelogram slope adjusting structure (4), the crawler driving assembly (6) is rotationally arranged on the mechanical transmission type expansion driving assembly (8), and the expansion type speed change assembly (7) is annularly and uniformly arranged in the crawler driving assembly (6);

The crawler belt driving assembly (6) comprises a flange type roller clamping seat (9), a combined type fan-shaped roller sheet (10) and a roller driven belt pulley (11), wherein the flange type roller clamping seat (9) is symmetrically provided with two groups, a clamping seat flange plate (19) is arranged on the flange type roller clamping seat (9), a clamping seat polygonal driving table (18) is arranged on one side of the clamping seat flange plate (19) of the flange type roller clamping seat (9), clamping seat square bosses (20) are uniformly distributed on the other side of the clamping seat flange plate (19) in an annular mode, clamping seat center reference holes (21) are formed in the flange type roller clamping seat (9), the combined type fan-shaped roller sheet (10) is clamped in gaps between the clamping seat square bosses (20), and the roller driven belt pulley (11) is clamped on the clamping seat polygonal driving table (18).

The expansion type speed changing assembly (7) comprises umbrella-shaped telescopic parts (12), first telescopic driving sliding blocks (13) and second telescopic driving sliding blocks (14), wherein the umbrella-shaped telescopic parts (12) are annularly and uniformly distributed in gaps among the combined fan-shaped roller sheets (10), arc-shaped umbrella tops (22) are arranged on the umbrella-shaped telescopic parts (12), inclined sliding parts (23) are symmetrically arranged on the umbrella-shaped telescopic parts (12), inclined sliding clamping grooves (24) are formed in the inclined sliding parts (23) of the umbrella-shaped telescopic parts (12), first inclined sliding bosses (25) are formed in the first telescopic driving sliding blocks (13), the first telescopic driving sliding blocks (13) are arranged in the inclined sliding clamping grooves (24) in a clamping manner through the first inclined sliding bosses (25), first arc-shaped bottom limiting sheets (26) are further arranged on the first telescopic driving sliding blocks (13) in the gaps among the combined fan-shaped roller sheets (10) in a clamping manner through the first arc-shaped bottom limiting sheets (26), second telescopic driving sliding blocks (13) are provided with positive driving screw threads (28), the second telescopic driving sliding block (14) is clamped and slidingly arranged in the inclined plane sliding clamping groove (24) through the second inclined plane sliding boss (28), an arc-shaped bottom limiting piece (29) is arranged on the second telescopic driving sliding block (14), the second telescopic driving sliding block (14) is clamped and slidingly arranged in a gap between the combined fan-shaped roller pieces (10) through the second arc-shaped bottom limiting piece (29), and a back driving thread (30) is arranged on the second arc-shaped bottom limiting piece (29);

The mechanical transmission type expansion driving assembly (8) comprises a central speed change spindle screw (15), a gasket (16) and a speed change driven pulley (17), the central speed change spindle screw (15) is rotationally arranged in the parallelogram slope adjusting structure (4), the flange type roller clamping seat (9) is rotationally arranged at two ends of the central speed change spindle screw (15) through a clamping seat central reference hole (21), a screw positive thread part (31) and a screw reverse thread part (32) are respectively arranged at symmetrical positions of the central speed change spindle screw (15), the screw positive thread part (31) is in threaded connection with a positive driving thread (27), the screw reverse thread part (32) is in threaded connection with a reverse driving thread (30), the gasket (16) is clamped on the central speed change spindle screw (15), and the speed change driven pulley (17) is clamped on the central speed change spindle screw (15).

2. A snowboard simulation device according to claim 1, wherein: the slope sliding simulation mechanism (2) comprises a lower roller support base (33), a lower roller main shaft (34), a lower roller body (35), a longitudinal telescopic slope simulation track (36) and a slope connecting rod (63), wherein the lower roller support base (33) is symmetrically arranged on the simulator main body base (3), the lower roller main shaft (34) is clamped in the lower roller support base (33), the lower roller body (35) is rotationally arranged on the lower roller main shaft (34), the longitudinal telescopic slope simulation track (36) is rotationally arranged on the lower roller body (35), the longitudinal telescopic slope simulation track (36) is rotationally arranged on an umbrella-shaped telescopic piece (12), the inner array of the longitudinal telescopic slope simulation track (36) is provided with a cross rod framework (37), one end of the slope connecting rod (63) is rotationally arranged on the lower roller main shaft (34), and the other end of the slope connecting rod (63) is rotationally arranged on a central speed change main shaft screw (15).

3. A snowboard simulation device according to claim 2, wherein: the simulator main body base (3) comprises a main bottom plate (38), linear slide rails (39) and a gradient adjusting driving assembly (40), wherein the lower roller supporting base (33) is symmetrically arranged on the main bottom plate (38), the linear slide rails (39) are symmetrically arranged on the main bottom plate (38), and the gradient adjusting driving assembly (40) is arranged at the center of the main bottom plate (38); the gradient adjustment driving assembly (40) comprises an electric push cylinder fixing frame (41) and an electric push cylinder body (42), wherein the electric push cylinder fixing frame (41) is arranged on the main bottom plate (38), and the electric push cylinder body (42) is clamped in the electric push cylinder fixing frame (41).

4. A snow grooming simulation apparatus according to claim 3, wherein: the parallelogram slope adjusting structure (4) comprises a synchronous sliding assembly (43) and a parallelogram assembly (44), the synchronous sliding assembly (43) comprises a linear sliding block (45), a hinged base (46) and a driving action connecting rod (47), the linear sliding block (45) is clamped and slidingly arranged on a linear sliding rail (39), the hinged base (46) is arranged on the linear sliding block (45), a base hinged shaft (51) is arranged on the hinged base (46), the driving action connecting rod (47) is arranged between two groups of hinged bases (46), a connecting rod center circular cake (52) is arranged at the center of the driving action connecting rod (47), and the end part of the electric pushing cylinder body (42) is arranged on the connecting rod center circular cake (52); the parallelogram assembly (44) comprises a transverse connecting rod body (48), a longitudinal connecting rod body (49) and a side linkage circular shaft (50), wherein the transverse connecting rod body (48) and the longitudinal connecting rod body (49) form a parallelogram structure, two ends of the transverse connecting rod body (48) and two ends of the longitudinal connecting rod body (49) are hinged parts, and one group of the transverse connecting rod body (48) and the longitudinal connecting rod body (49) is rotationally arranged on the side linkage circular shaft (50).

5. A snowboard simulation device according to claim 4, wherein: the speed change driving mechanism (5) comprises a horizontal platform (53), a main driving assembly (54) and a speed change driving assembly (55), platform side plates (56) are symmetrically arranged on the horizontal platform (53), the horizontal platform (53) is fixedly connected onto the upper two groups of the transverse connecting rod body (48) through the platform side plates (56), the main driving assembly (54) is arranged on the horizontal platform (53), and the speed change driving assembly (55) is arranged on the horizontal platform (53).

6. A snowboard simulation device according to claim 5, wherein: the main driving assembly (54) comprises a main driving motor (57), a main driving belt pulley (58) and a main driving belt (59), wherein the main driving motor (57) is arranged on the horizontal platform (53), the main driving belt pulley (58) is clamped on an output shaft of the main driving motor (57), the main driving belt (59) is arranged on the main driving belt pulley (58), and the main driving belt (59) is arranged on the roller driven belt pulley (11); the variable speed drive assembly (55) comprises a variable speed drive motor (60), a variable speed drive belt pulley (61) and a variable speed drive belt (62), wherein the variable speed drive motor (60) is arranged on the horizontal platform (53), the variable speed drive belt pulley (61) is clamped on an output shaft of the variable speed drive motor (60), the variable speed drive belt (62) is arranged on the variable speed drive belt pulley (61), and the variable speed drive belt (62) is arranged on the variable speed driven belt pulley (17).

7. A method of using the indoor ski simulation according to claim 6, comprising the steps of:

step one: the athlete is ready to act on a horizontal platform (53) and then slide into a sloped longitudinal telescopic ramp simulation track (36) simulating a skid on a snow slope;

step two: activating the main drive assembly (54) and controlling the speed of the longitudinally telescoping ramp simulation track (36) by the trainer to match the acceleration of the athlete during taxiing;

step three: when the speed is accelerated to the rated speed, the rotating speed is constant, and the transmission speed of the longitudinal telescopic slope simulation crawler belt (36) is controlled through the expansion and contraction of the expansion type speed changing component (7);

step four: when the speed needs to be increased, a variable speed driving assembly (55) is started, a variable speed driving motor (60) drives a variable speed driven pulley (17) to rotate through a variable speed driving pulley (61) and a variable speed driving belt (62), and then drives a central variable speed main shaft screw rod (15) to rotate, the central variable speed main shaft screw rod (15) carries out threaded transmission through a screw positive threaded part (31) and a telescopic driving sliding block I (13) and carries out threaded transmission through a screw negative threaded part (32) and a telescopic driving sliding block II (14), the telescopic driving sliding block I (13) and the telescopic driving sliding block II (14) are driven to reversely slide, an umbrella-shaped telescopic part (12) slides to the outer side of a mechanical expansion type tensioning speed changing mechanism (1) under the combined action of the telescopic driving sliding block I (13) and the telescopic driving sliding block II (14), and the outer diameter of a ring enclosed by an arc-shaped umbrella top (22) is increased, and therefore the surface speed of a longitudinal telescopic slope simulation crawler (36) is increased;

Step five: in the process of expanding the expansion speed changing component (7), the longitudinal telescopic slope simulation crawler belt (36) is longitudinally stretched, at the moment, the circumference of the longitudinal telescopic slope simulation crawler belt (36) is increased, the surface hardness is increased, and therefore the effect of snowfield during high-speed sliding is simulated;

step six: when the gradient of the longitudinal telescopic slope simulation crawler belt (36) needs to be adjusted, the longitudinal height of the parallelogram gradient adjustment structure (4) can be changed only by extending and retracting the electric push cylinder body (42), so that the gradient of the longitudinal telescopic slope simulation crawler belt (36) is changed.