CN110384915B - Skis with auxiliary power - Google Patents

Skis with auxiliary power Download PDF

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Publication number
CN110384915B
CN110384915B CN201910728666.1A CN201910728666A CN110384915B CN 110384915 B CN110384915 B CN 110384915B CN 201910728666 A CN201910728666 A CN 201910728666A CN 110384915 B CN110384915 B CN 110384915B
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CN
China
Prior art keywords
angle adjusting
sliding plate
sliding
swinging
seat
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201910728666.1A
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Chinese (zh)
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CN110384915A (en
Inventor
庄茂花
李波
周瑞
范连军
袁志刚
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Harbin Institute of Physical Education
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Harbin Institute of Physical Education
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Publication date
Application filed by Harbin Institute of Physical Education filed Critical Harbin Institute of Physical Education
Priority to CN201910728666.1A priority Critical patent/CN110384915B/en
Publication of CN110384915A publication Critical patent/CN110384915A/en
Application granted granted Critical
Publication of CN110384915B publication Critical patent/CN110384915B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00Skis or snowboards
    • A63C5/03Mono skis; Snowboards
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00Skis or snowboards
    • A63C5/06Skis or snowboards with special devices thereon, e.g. steering devices

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  • Road Paving Structures (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

The invention belongs to the technical field of skis, and particularly relates to a skis with auxiliary power, which comprises two skis, wherein the rear ends of the two skis are both connected to an angle adjusting box, the angle adjusting box is connected with one end of a height adjusting piece, the other end of the height adjusting piece is fixedly connected with a skis, the skis are arranged on a swinging seat in a sliding manner, and the swinging seat is hinged in a driving box; the side of this drive case is provided with the track, the inside track motor that is provided with the drive track of drive case, by the power that the drive case slided as the ski, angle adjustment piece, height adjustment piece, the ski makes the ski make the elementary standard action of skiing, make beginner slide along with the action of ski, and simultaneously, through the ski of angle adjustment, slide on the swing seat through the ski, backward step on the action when realizing skiing, realize experiencing skiing enjoyment in the open air, muscle memory standard skiing action simultaneously, lay the good foundation for the skiing study.

Description

Skis with auxiliary power
Technical Field
The invention belongs to the technical field of skis, and particularly relates to a ski with auxiliary power.
Background
The skiing sport is a competition sport that athletes mount skis on the boot bottoms to carry out speed, jumping and downhill, the skis are made of wood, metal materials and plastics in a mixed mode, people are in a standing posture, and people hold ski poles and step on the skis to slide on the snow surface; the skiing beginner generally learns on flat snow surface, because the beginner does not master skiing skill, form the irregular custom of action easily when studying, for standardizing skiing action standard from the skiing initial stage, make the skier form the standard action of standard at the very beginning, use the teaching device that can standardize standard action to practise when just beginning to study skiing better, and current skiing learning device is indoor facility mostly, can't experience skiing enjoyment.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a snowboard with auxiliary power.
The technical scheme of the invention is as follows:
a snowboard with auxiliary power, includes two snowboards, two the rear end of snowboard all is provided with two articulated seats, and two articulated seats set up along the length direction interval of this snowboard, and the articulated seat that is located the rear end is articulated with the one end of dead lever and is connected, and another articulated seat is articulated with the one end of movable rod and is connected, the other end of dead lever is along vertical direction fixed connection at the lower surface of angle adjustment case, the other end of movable rod stretches into the angle adjustment incasement from the below, and this angle adjustment case includes: the angle adjusting mechanism comprises an angle adjusting screw rod, an angle adjusting slider and an angle adjusting motor, wherein the angle adjusting slider is sleeved on the angle adjusting screw rod and is provided with a chute;
the angle adjusting box is connected with one end of the height adjusting piece, the other end of the height adjusting piece is fixedly connected with the sliding plate, the sliding plate is arranged on the swinging seat in a sliding mode, and the swinging seat is hinged in the driving box;
a crawler belt is arranged on the side surface of the driving box, and a crawler belt motor for driving the crawler belt is arranged in the driving box;
the swing seat comprises: the crawler-type swing seat plate comprises a swing seat plate, a swing rack, a swing gear and a swing motor, wherein one end of the swing seat plate is hinged to one side, away from the crawler belt, of the driving box, the other end of the swing seat plate is provided with the swing rack, the swing rack is meshed with the swing gear, and the swing gear is connected with the swing motor.
Furthermore, the height adjusting piece comprises a lifting screw rod, a shear type lifting frame and a lifting motor, two ends of the shear type lifting frame are respectively connected with the angle adjusting box and the sliding plate, the lifting screw rod is connected with a joint of the shear type lifting frame through a lifting slide block, and one end of the lifting screw rod is connected with the lifting motor.
Further, the slide board includes: the sliding plate comprises a sliding plate screw rod, a sliding plate sliding block and a sliding plate motor, wherein the sliding plate sliding block is arranged on the side face of the sliding plate and is sleeved on the sliding plate screw rod, and the sliding plate screw rod is connected with the sliding plate motor.
The invention has the beneficial effects that:
the rear ends of the two skis are respectively provided with two hinged seats, the two hinged seats are respectively connected with an angle adjusting box through a fixed rod and a movable rod, the angle adjusting box is connected with a height adjusting piece, the height adjusting piece is arranged on a swinging seat through a sliding plate, and the swinging seat is hinged in a driving box.
Drawings
FIG. 1 is a schematic view of the overall structure of a snowboard with auxiliary power;
FIG. 2 is a schematic view of the angle adjustment box of FIG. 1;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a schematic view of the connection structure of the angle adjustment box;
FIG. 5 is a schematic view of the height adjuster;
FIG. 6 is a schematic structural view of the swing seat;
FIG. 7 is a schematic view of the construction of the pivot angle adjustment;
FIG. 8 is a side view of FIG. 7;
in the figure: 1, skis; 2, fixing a rod; 3, a movable rod; 4, an angle adjusting box; 5 a height adjusting member; 6, a sliding plate; 7 driving the box; 9 a swing angle adjusting member; 4-1 angle adjusting screw rod; 4-2 angle adjusting slide block; 4-3 angle adjusting motor; 5-1, lifting a screw rod; 5-2, a scissor type lifting frame; 5-3, a lifting motor; 6-1, a sliding plate screw rod; 6-2 sliding plate sliding blocks; 6-3 a sled motor; 7-1 track; 7-2 track motor; 9-1 swing box; 9-2 a first swing axis; 9-3 a second swing angle shaft; 9-4 a first swing angle chute; 9-5 second swing angle chutes; 9-6 swing angle racks; 9-7 swing angle motor.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
detailed description of the invention
The ski with auxiliary power disclosed in the embodiment is used for a ski beginner to learn the primary standard actions of skiing in an outdoor snow field and learn the pedaling actions of the ski;
as shown in fig. 1, the two skis 1 are provided, the rear ends of the two skis 1 are connected with an auxiliary device, the auxiliary device controls the movement of the two skis 1 along the left and right directions of the human body, the movement along the height direction of the human body and the rotation of the skis 1 on the ground to form a primary skiing action, when the skis 1 are controlled to move towards the back side or the front side of the human body, the action of stepping on the skis 1 during skiing can be simulated, and when the skis 1 are controlled to form a standard action, the muscles of a beginner can be memorized, the base of the standard action can be laid down, and the base can be laid for the later learning of the high;
as shown in fig. 2 and fig. 3, in order to adjust the angle of the snowboard 1 on the ground by rotating itself, two hinge seats are disposed at the rear ends of two snowboards 1, the two hinge seats are spaced apart along the length direction of the snowboard 1, the hinge seat at the rear end is hinged to one end of a fixed rod 2, the other hinge seat is hinged to one end of a movable rod 3, the other end of the fixed rod 2 is fixedly connected to the lower surface of an angle adjusting box 4 along the vertical direction, the other end of the movable rod 3 extends into the angle adjusting box 4 from the lower side, the fixed rod 2 provides a planar axis for the snowboard 1, if the movable rod 3 is rotated along the axis of the fixed rod 2 as the center of a circle, the snowboard 1 can be driven to rotate in the plane, a waist-shaped groove for the movable rod 3 to slide is disposed on the bottom surface of the angle adjusting box 4, in the embodiment, the angle adjusting box 4 is arranged above the rear end of the snowboard 1, so that the moment is reduced when the snowboard 1 is driven to rotate, the snowboard 1 is easier to drive to rotate, and the most basic in-plane rotation action of the snowboard 1 can be simulated under the condition that the angle adjusting box 4 drives the snowboard 1 to rotate in a plane;
as shown in fig. 2 and 3, in order to rotate the movable rod 3 around the axis of the fixed rod 2, the angle adjustment box 4 includes: the angle adjusting device comprises an angle adjusting screw rod 4-1, an angle adjusting slide block 4-2 and an angle adjusting motor 4-3, wherein the angle adjusting slide block 4-2 is sleeved on the angle adjusting screw rod 4-1, a sliding groove is formed in the angle adjusting slide block 4-2, the movable rod 3 is connected to the sliding groove of the angle adjusting slide block 4-2 in a sliding mode, and the angle adjusting motor 4-3 is connected with the angle adjusting screw rod 4-1; the angle adjusting slide block 4-2 is provided with a sliding groove parallel to the ski 1, if the angle adjusting slide block 4-2 is driven to move along the left and right direction by a linear motion structure, the movable rod 3 can realize that the movable rod 3 rotates along the axis of the fixed rod 2 as the center of a circle under the combined guiding action of the sliding groove on the angle adjusting slide block 4-2 and the kidney-shaped groove on the bottom surface of the angle adjusting box 4, in the embodiment, the linear motion structure for driving the angle adjusting slide block 4-2 is an angle adjusting screw rod 4-1 and an angle adjusting motor 4-3, and the angle adjusting screw rod 4-1 is driven to rotate by the angle adjusting motor 4-3 to push the angle adjusting slide block 4-2 sleeved on the angle adjusting screw rod 4-1 to realize linear motion;
as shown in fig. 4 and 5, in order to adjust the height of the snowboard along the height direction of the human body, the angle adjusting box 4 is connected to one end of the height adjusting member 5, the angle adjusting box 4 is adjusted in height by the height adjusting member 5, and the angle adjusting box 4 drives the snowboard to adjust in height direction;
as shown in fig. 1, in order to realize the movement of the ski 1 along the left and right direction of the human body, the other end of the height adjusting member 5 is fixedly connected with the sliding plate 6, the sliding plate 6 can slide along the left and right direction of the human body, and the ski 1 is driven to move along the left and right direction of the human body when the sliding plate 6 slides with the angle adjusting box 4;
referring to fig. 1, in order to realize the movement of the ski 1 to the rear side or the front side of the human body, the sliding plate 6 is slidably disposed on the swinging seat 8, the sliding plate 6 carries the ski 1 to slide on the swinging seat 8, and the swinging seat 8 can change the sliding direction of the sliding plate 6, so that the sliding plate 6 moves to the rear side or the front side of the human body after the swinging seat 8 swings, and the ski 1 is driven to move to the rear side or the front side of the human body, and the pedaling action during skiing is realized by matching with the adjustment of the plane angle of the ski 1;
referring to fig. 1, in order to realize the skiing of the ski 1 on the snowfield, the swing seat 8 is hinged in the driving box 7, and the driving box 7 is used as the sliding power; a crawler belt 7-1 is arranged on the side surface of the driving box 7, and a crawler belt motor 7-2 for driving the crawler belt 7-1 is arranged in the driving box 7; the two crawler motors 7-2 respectively drive the two crawlers 7-1 to move so as to realize snowfield sliding; the two crawler belts 7-1 are respectively provided with an independent driving structure, so that the turning action is convenient to realize;
as shown in fig. 6, to change the sliding direction of the sliding plate 6, the swing seat 8 includes: the device comprises a swinging seat plate 8-1, a swinging rack 8-2, a swinging gear 8-3 and a swinging motor 8-4, wherein one end of the swinging seat plate 8-1 is hinged to one side of a driving box 7, which is far away from a crawler belt 7-1, the other end of the swinging seat plate 8-1 is provided with the swinging rack 8-2, the swinging rack 8-2 is meshed with the swinging gear 8-3, and the swinging gear 8-3 is connected with the swinging motor 8-4; two seat plate polished rods 8-5 are arranged in the middle of the swinging seat plate 8-1, two sides of the sliding plate 6 are respectively sleeved on the two seat plate polished rods 8-5, one end of the swinging seat plate 8-1, which is not hinged on the driving box 7, is fixedly connected with a seat plate sliding block 8-6, the seat plate sliding block 8-6 is connected on a seat plate sliding rod 8-7 in a sliding manner, the seat plate sliding rod 8-7 is a circular arc sliding rod, the circle center of the circular arc sliding rod is arranged on a hinged shaft of the swinging seat plate 8-1 and the driving box 7, and a swinging rack 8-2 is fixedly connected on the seat plate; the swing motor 8-4 drives the swing gear 8-3 to rotate, the swing gear 8-3 is fixed on the driving box 7, the swing gear 8-3 rotates to push the swing rack 8-2 to drive the swing seat plate 8-1 to rotate along a hinge shaft with the driving box 7, and meanwhile, the seat plate slide block 8-6 slides on the seat plate slide rod 8-7, so that the slide track of the slide plate 6 is inclined, and the change of the slide direction of the slide plate 6 can be realized;
referring to fig. 5, in order to adjust the height of the angle adjusting box 4, the height adjusting member 5 includes a lifting screw 5-1, a scissor type lifting frame 5-2 and a lifting motor 5-3, two ends of the scissor type lifting frame 5-2 are respectively connected with the angle adjusting box 4 and the sliding plate 6, the lifting screw 5-1 is connected with a joint of the scissor type lifting frame 5-2 through a lifting slider, and one end of the lifting screw 5-1 is connected with the lifting motor 5-3; the lifting motor 5-3 drives the lifting screw rod 5-1 to rotate, and the lifting screw rod 5-1 drives the shear type lifting frame 5-2, so that the height of the angle adjusting box 4 is adjusted;
as shown in fig. 6, in order to drive the slide plate 6 in the left-right direction, the slide plate 6 includes: the sliding plate comprises a sliding plate screw rod 6-1, a sliding plate sliding block 6-2 and a sliding plate motor 6-3, wherein the sliding plate sliding block 6-2 is arranged on the side surface of the sliding plate 6 and is sleeved on the sliding plate screw rod 6-1, and the sliding plate screw rod 6-1 is connected with the sliding plate motor 6-3; a sliding plate screw rod 6-1 is driven to rotate by a sliding plate motor 6-3, and a sliding plate sliding block 6-2 is pushed to drive a sliding plate to move; the sliding plate screw rod 6-1 is arranged between two seat plate polished rods 8-5, and the fixed rod 2 and the movable rod 3 respectively penetrate through two sides of the sliding plate screw rod 6-1;
rotation can be realized at slide 1, the translation, under the condition of height adjustment, slide 1 can simulate out the basic action in the skiing study, slide 1 can be to human side rear or side the place ahead slip under the condition, the action of pedaling in the skiing study can be simulated out to slide 1, do the standard action through control slide 1, make the student of skiing study in the experience of cutting one's body, and simultaneously, as auxiliary power through the track, make the training go on outdoors, study when experiencing skiing enjoyment, be difficult for falling down among the skiing study process.
Detailed description of the invention
The embodiment is based on the first embodiment, and is used for simulating more skiing actions in order to increase actions that a ski can make;
referring to fig. 7, in order to adjust the swing angle of the snowboard 1, the height adjusting member 5 is connected with the swing angle adjusting member 9, and the swing angle adjusting member 9 is connected with the angle adjusting box 4; a swing angle adjusting piece 9 is connected between the height adjusting piece 5 and the angle adjusting box 4 in series, when the height is adjusted, the height adjusting piece 5 drives the swing angle adjusting piece 9, the swing angle adjusting piece 9 drives the angle adjusting box 4 to adjust the height, and the inclination angle of the snowboard is adjusted through the swing angle adjusting piece 9, so that more skiing actions are simulated;
as shown in fig. 7 and 8, the pivot angle adjusting member 9 includes: the angle adjusting box comprises an angle adjusting box 9-1, a first angle shaft 9-2, a second angle shaft 9-3, a first angle chute 9-4, a second angle chute 9-5, an angle rack 9-6 and an angle motor 9-7, wherein the angle adjusting box 4 is arranged in the angle adjusting box 9-1, a space is reserved for the angle adjusting box 4 to swing in the angle adjusting box 9-1, the bottom of the angle adjusting box 9-1 is hollowed out, so that the fixed rod 2 and the movable rod 3 can pass through, and in 4 side faces of the angle adjusting box 9-1, the first angle chute 9-4 and the second angle chute 9-5 are arranged on two opposite side faces vertical to the sliding direction of the sliding plate 6, and the rest two side faces are connected with the upper end of the height adjusting piece 5;
one end of the first swing angle shaft 9-2 is fixedly connected with the angle adjusting box 4, the other end of the first swing angle shaft 9-2 penetrates through the first swing angle sliding groove 9-4, one end of the second swing angle shaft 9-3 is fixedly connected with the angle adjusting box 4, the other end of the second swing angle shaft 9-3 penetrates through the second swing angle sliding groove 9-5, the first swing angle sliding groove 9-4 and the second swing angle sliding groove 9-5 are both arranged on the side wall of the swing angle box 9-1 to form a sliding structure between the angle adjusting box 4 and the swing angle box 9-1, and swing amplitude adjustment of the angle adjusting box 4 is realized by sliding the angle adjusting box 4 in the sliding structure;
the two sliding grooves are waist-shaped sliding grooves, the circle center of each waist-shaped sliding groove is located at the center of the section of the snowboard 1, so that during rotation, the first swing angle shaft 9-2 slides in the first swing angle sliding groove 9-4, the second swing angle shaft 9-3 slides in the second swing angle sliding groove 9-5, and the angle adjusting box 4 and the snowboard 1 are integrally rotated by taking the center of the section of the snowboard 1 as an axis;
the swing angle rack 9-6 is fixedly connected with the first swing angle shaft 9-2, the swing angle rack 9-6 is connected with the swing angle motor 9-7 through a gear, the circle center of the swing angle rack 9-6 is also located at the center of the cross section of the snowboard 1, and the swing angle motor 9-7 drives the swing angle rack 9-6 to move in a string mode through the gear to drive the angle adjusting box 4 to adjust the swing amplitude;
in the above embodiments, as long as the technical solution is not contradictory, permutation and combination can be performed, and since a person skilled in the art can exhaust the results after all permutation and combination according to the mathematical knowledge of permutation and combination learned in high school, the results will not be repeatedly described in the present application, but it should be understood that each permutation and combination result is described in the present application;
the above embodiments are merely illustrative of the present patent and do not limit the scope of the patent, and those skilled in the art can make modifications to the parts thereof without departing from the spirit and scope of the patent.

Claims (3)

1. A snowboard with auxiliary power, includes two snowboards (1), its characterized in that, two the rear end of snowboard (1) all is provided with two articulated seats, and two articulated seats set up along the length direction interval of this snowboard (1), and the articulated seat that is located the rear end is articulated with the one end of dead lever (2) and is connected, and another articulated seat is articulated with the one end of movable rod (3) and is connected, the other end of dead lever (2) is along the lower surface of vertical direction fixed connection at angle adjusting box (4), the other end of movable rod (3) stretches into in angle adjusting box (4) from the below, and this angle adjusting box (4) include: the angle adjusting mechanism comprises an angle adjusting screw rod (4-1), an angle adjusting sliding block (4-2) and an angle adjusting motor (4-3), wherein the angle adjusting sliding block (4-2) is sleeved on the angle adjusting screw rod (4-1), a sliding groove is formed in the angle adjusting sliding block (4-2), the movable rod (3) is connected to the sliding groove of the angle adjusting sliding block (4-2) in a sliding mode, and the angle adjusting motor (4-3) is connected with the angle adjusting screw rod (4-1);
the angle adjusting box (4) is connected with one end of a height adjusting piece (5), the other end of the height adjusting piece (5) is fixedly connected with a sliding plate (6), the sliding plate (6) is arranged on a swinging seat (8) in a sliding mode, and the swinging seat (8) is hinged in a driving box (7);
a crawler belt (7-1) is arranged on the side surface of the driving box (7), and a crawler belt motor (7-2) for driving the crawler belt (7-1) is arranged in the driving box (7);
the oscillating seat (8) comprises: the device comprises a swinging seat plate (8-1), a swinging rack (8-2), a swinging gear (8-3) and a swinging motor (8-4), wherein one end of the swinging seat plate (8-1) is hinged to one side, far away from the crawler belt (7-1), of the driving box (7), the other end of the swinging seat plate (8-1) is provided with the swinging rack (8-2), the swinging rack (8-2) is meshed with the swinging gear (8-3), and the swinging gear (8-3) is connected with the swinging motor (8-4).
2. A snowboard with auxiliary power as claimed in claim 1, wherein the height adjusting member (5) comprises a lifting screw (5-1), a scissor type lifting frame (5-2) and a lifting motor (5-3), both ends of the scissor type lifting frame (5-2) are respectively connected with the angle adjusting box (4) and the sliding plate (6), the lifting screw (5-1) is connected with the joint of the scissor type lifting frame (5-2) through a lifting slider, and one end of the lifting screw (5-1) is connected with the lifting motor (5-3).
3. A ski with auxiliary power, as in claim 1, characterised in that the ski (6) comprises: the sliding plate comprises a sliding plate screw rod (6-1), a sliding plate sliding block (6-2) and a sliding plate motor (6-3), wherein two seat plate polished rods (8-5) are arranged in the middle of a swinging seat plate (8-1), two sides of the sliding plate (6) are respectively sleeved on the two seat plates (8-5), the sliding plate sliding block (6-2) is arranged on the side face of the sliding plate (6) and sleeved on the sliding plate screw rod (6-1), the sliding plate screw rod (6-1) is arranged between the two seat plates (8-5), the sliding plate screw rod (6-1) is connected with the sliding plate motor (6-3), and the sliding plate screw rod (6-1) is driven to rotate through the sliding plate motor (6-3) to push the sliding plate sliding block (6-2) to drive the sliding plate (6).
CN201910728666.1A 2019-08-08 2019-08-08 Skis with auxiliary power Expired - Fee Related CN110384915B (en)

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CN201910728666.1A CN110384915B (en) 2019-08-08 2019-08-08 Skis with auxiliary power

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Application Number Priority Date Filing Date Title
CN201910728666.1A CN110384915B (en) 2019-08-08 2019-08-08 Skis with auxiliary power

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CN110384915B true CN110384915B (en) 2020-07-28

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111514566B (en) * 2020-04-15 2024-08-16 北京齐乐无穷文化科技有限公司 Bidirectional swing self-balancing mechanism and simulated skiing equipment
CN111991792B (en) * 2020-08-26 2022-04-19 吉林体育学院 Snowboard structure with steerable structure based on novice exercise

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Publication number Priority date Publication date Assignee Title
CN101804250A (en) * 2009-02-13 2010-08-18 G·布拉齐尔 Motor-driven skis
CN103752000A (en) * 2014-01-23 2014-04-30 山东科技大学 Double-plate skiing training device
CN108671530A (en) * 2018-05-29 2018-10-19 哈尔滨体育学院 A kind of Motorized snowboard
CN109674627A (en) * 2019-01-03 2019-04-26 中山爱君智能科技有限公司 Multifunctional nursing rehabilitation robot

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Publication number Priority date Publication date Assignee Title
US20160089591A1 (en) * 2014-09-30 2016-03-31 Edward J. Williamson Apparatus for teaching the feel of snowboarding
US10238942B2 (en) * 2015-06-16 2019-03-26 David Dalton Snowboard trainer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101804250A (en) * 2009-02-13 2010-08-18 G·布拉齐尔 Motor-driven skis
CN103752000A (en) * 2014-01-23 2014-04-30 山东科技大学 Double-plate skiing training device
CN108671530A (en) * 2018-05-29 2018-10-19 哈尔滨体育学院 A kind of Motorized snowboard
CN109674627A (en) * 2019-01-03 2019-04-26 中山爱君智能科技有限公司 Multifunctional nursing rehabilitation robot

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Granted publication date: 20200728