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WO2018203309A1 - Chaise roulante électrique anti-vertiges à système de transmission de puissance pour déclivité élevée - Google Patents

Chaise roulante électrique anti-vertiges à système de transmission de puissance pour déclivité élevée Download PDF

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Publication number
WO2018203309A1
WO2018203309A1 PCT/IB2018/053136 IB2018053136W WO2018203309A1 WO 2018203309 A1 WO2018203309 A1 WO 2018203309A1 IB 2018053136 W IB2018053136 W IB 2018053136W WO 2018203309 A1 WO2018203309 A1 WO 2018203309A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
chair
power transmission
transmission system
vertigo
Prior art date
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.)
Ceased
Application number
PCT/IB2018/053136
Other languages
English (en)
Spanish (es)
Inventor
David Garcia Pinilla
Haiberney Rios Puerta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2018203309A1 publication Critical patent/WO2018203309A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/12—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by three-wheeled construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/02—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs

Definitions

  • the present invention relates to an electric wheelchair against vertigo that generates more freedom of movement on the axes "x", "and” through a pendular triangular support system;
  • the present invention particularly relates to an installation of the power transmission system, with engine and gearbox, to a chassis with two front wheels that offers high power, required to travel steep slopes.
  • the present invention uses chairs of the same type, but providing new electro-mechanical technologies, to achieve greater mechanical and ergonomic efficiency.
  • Figure 1 Is a rear isometric view of the fully assembled wheelchair.
  • Figure 2 It is a top of the wheelchair completely assembled.
  • Figure 3 It is a rear view of the fully assembled wheelchair.
  • Figure 4 It is a left side view of the fully assembled wheelchair.
  • Figure 5 Is a front isometric view of the wheelchair in an assembly position for the chair and wheelchair modules.
  • Figure 6 It is a top view of the wheelchair in assembly position for the chair and wheel chassis modules.
  • Figure 7 It is a front view of the wheelchair in assembly position for the chair and chassis wheel modules.
  • Figure 8 It is a left side view of the wheelchair in an assembly position for the chair and wheel chassis modules.
  • Figure 9 Is a rear isometric view of the wheel frame.
  • Figure 10 It is an exploded view of the wheel chassis.
  • Figure 11 It is a front isometric view of the chair module with the transmission mechanism for the horizontal movement of the chair and the possibility of coupling a parasol with photosensitive translucent sheet.
  • Figure 12 Isometric view of the mechanical transmission module to the driving wheels, highlighting the conical pinions, axle and disc of the braking mechanism.
  • Figure 13 It is an illustration composed of three figures (13a, 13b and 13c) in which the 13th is a diagram of the physical parameters involved in the oscillating pendular mechanism; 13b is an isometric view of the chair module assembled to the pendulum module; and 13c is a side view showing in detail the pendulum module.
  • Figure 14 It is an illustration composed of two figures (14a and 14b) in which the 14a is an isometric view of the chair module assembled to the pendular module; and 14b is a side view showing in detail the pendulum module with respect to the center of gravity.
  • Figure 15 It is a schematic illustration of the pendular mechanism to show the physical parameters that intervene in the oscillation of the pendular module.
  • Figure 1 Is a rear isometric view of the electric wheelchair anti vertigo with power transmission system for high mountain, which is comprised of: a seat (1), a backrest (3), an armrest (2) , a telescopic pusher module (4), chair base rail (5), a motor housing (6), two drive wheels (7), two fenders (8), a rear footrest (9) and a screen electronic (10).
  • the front wheels (7) absorb most of the load (weight of the person plus the passenger) and through a third idler wheel (13) the stability of the chair (1) is obtained; will have a fastening system where the chair (1) as such will be anchored in a single point to the structure of the wheels, where she will have freedom of movement on the X axis, and releasing its point of gravity to keep it stable to the natural axis gravitational
  • Figure 2 It is a top view of the electric wheelchair anti vertigo with power transmission system for high mountain, which is comprised of: a seat (1), a backrest (3), an armrest (2), a telescopic pusher module (4), chair base rail (5), a motor housing (6), two drive wheels (7), two fenders (8), a rear footrest (9), an electronic display ( 10), a joystick (11) and a front footrest (12).
  • Figure 3 It is a rear view of the electric wheelchair against vertigo with power transmission system for high mountain, which is comprised of: backrest (3), a telescopic pusher module (4), a motor housing (6), two drive wheels (7), two fenders (8), a joystick (11) and a rear center idler ( 13).
  • Figure 4 It is a left side view of the electric wheelchair anti vertigo with power transmission system for high mountain, which is comprised of: a telescopic pusher module (4), a motor housing (6), two drive wheels (7), two fenders (8), a rear footrest (9), a front footrest (12) and a rear central idler (13).
  • Figure 5 Is an anterior isometric view of the electric wheelchair against vertigo with power transmission system for high mountain, in assembly between the chair and the wheel chassis, which is comprised of: a seat (1), a backrest (3), an armrest (2), a telescopic pusher module (4), chair base rail (5), a motor housing (6), two drive wheels (7), two fenders (8) , a rear footrest (9), an electronic screen (10), a joystick (11) and a front footrest (12).
  • the control unit is activated (11)
  • the electric wheelchair generates a safe state by activating the brakes of its main wheels (7) and blocking the pendulum movement module by using ratchets, which are installed laterally on the points.
  • Figure 6 It is a top view of the electric wheelchair anti vertigo with power transmission system for high mountain, in assembly between the chair and the wheel chassis, which is comprised of: a seat (1), a support arms (2), a telescopic pusher module (4), a motor housing (6), two fenders (8), a rear footrest (9) and a front footrest (12).
  • Figure 7 It is a front view of the electric wheelchair anti vertigo with power transmission system for high mountain, in assembly between the chair and the wheel chassis, which is comprised of: a seat (1), a backrest (3), a telescopic pusher module (4), a motor housing (6), two drive wheels (7), two fenders (8) and a rear center idler (13).
  • Figure 8 It is a right side view of the electric wheelchair anti vertigo with power transmission system for high mountain, in assembly between the chair and the wheel chassis, which is comprised of: a backrest (3), a telescopic pusher module (4), a chair base rail (5), a motor housing (6), two drive wheels (7), two fenders (8), an electronic display (10), a joystick (11), an anterior footrest (12) and a rear central idler (13).
  • Figure 9 Is a rear isometric view of the wheel frame, comprised of: a telescopic pusher module (4), a motor housing (6), two drive wheels (7), two fenders (8), a rear footrest (9) and an eye (14) to receive the pivot of the pendular module in its upper part.
  • the telescopic pusher (4) will have the possibility of a passenger standing vertically on the footrest (9) acting as driver or passenger accompanying the wheelchair, allowing the handling of the same through its acceleration handles, similar to that of a motorcycle.
  • Figure 10 Is an exploded isometric view of the wheel frame comprised of the following elements: a motor housing (6), two drive wheels (7), two fenders (8), two independent motors (15) for each wheel, with respective flexible axes (16), with conical pinions (17) that engage in other conical pinions (18) which in turn are assembled to the shaft (19) that is inserted in the braking disc (20); Also shown are the motor bases (21) that are inserted in respective bolts of the base (22) of the idler wheel which in turn receives the main base (23) of the motors (15), this entire system being covered by the housing (6); additionally, two parales are observed, one cylindrical (24) that telescopically receives the pusher module and another plane (25) to pivotally articulate the pendulum module.
  • a motor housing (6) two drive wheels (7), two fenders (8), two independent motors (15) for each wheel, with respective flexible axes (16), with conical pinions (17) that engage in other conical pinions (18) which in turn are assembled to
  • the motors (15) will drive the wheels (7) of the wheelchair, governed by two independent gearboxes with sensors that manage to control the speed, the direction of rotation, giving freedom of movement in an order of 0 to 70 km / h.
  • Said gearboxes can generate up to six speeds depending on the power and torque of the motors (15), these changes are automatic and will be actuated in electronic form by means of a circuit that is connected to the joystick (1 1), this system calculates the speed moving the mobile axis looking for the pinions that correspond to the speed, within a range that is established according to the minimum and maximum speeds of the engines.
  • Said motors (15) are powered by two nickel-cadmium type batteries and connected by flexible shafts (16) with an endless screw system, self-blocking with six-pack changes for each of the wheels, which are coupled to a flexible transmission system per guaya.
  • the speed of the wheelchair will be given by an electronic system that adjusts the two wheels (7) at the same angular speed, by means of an electronic control lever (1 1) that will adjust it allowing the greater or lesser turn angular of one wheel in relation to the other, to allow turns of up to 360 Q degrees on its own axis.
  • FIG 11 Isometric view of the chair module, where a lateral mechanism composed of a transmission system (26) with a feed motor (27) activating an endless screw (28) mounted between two extreme bearings ( 30), which horizontally displaces a nut (29) fixed to the structure of the module of the chair.
  • the chair has an electronic system before starting any type of movement with a different person, balances the weight in reference to the point of weight transfer to the fixed structure of the wheels; the chair will move on a rack with a worm screw system controlled by a horizontality sensor for an automatic horizontal gravitational sliding movement, bringing it forward or backward, driven by a horizontal displacement motor by means of the control (1 1) .
  • the backrest (3) of the chair is reclining at 180 degrees of inclination by means of a manual lever.
  • the figure also shows the optional foot supports (12a and 12b) that can be replaced by the footrest (12) of figure 6 and optionally has the parasol with photosensitive translucent sheet (36).
  • Figure 12 It is an isometric view of the mechanical transmission module to the driving wheels highlighting the conical pinions (17) and (18), flexible shaft (16) from one of the engines; the disc (31) of the braking mechanism (20) is also shown.
  • the braking mechanism is independent in each of the wheels and is electrically operated together with the speed control of the control command (11), the user progressively accelerates and / or decelerates; this mechanism has an emergency brake button that when activated will actuate the brake instantaneously.
  • FIG. 13 It is an illustration composed of three figures (13a, 13b and 13c) in which the 13th is a diagram of the physical parameters involved in the oscillating pendular mechanism; 13b is an isometric view of the chair module assembled to the pendulum module; and 13c is a side view showing in detail the pendulum module.
  • the anti-vertigo system to keep the axis of horizontality independent of the plane of inclination, that is to say that the person who is in the chair remains in its axis of gravity, regardless of the movement that the chair performs on an inclined plane.
  • a pendular system formed by the elements (32) and (33) that go from the base of the chair converging cassia to the height of the armrest (2), which offers freedom of movement on the XY axis.
  • the chair is supported by a pendulum system, where the support points of the chair will be below the weight transfer point to the wheels, which corresponds to the same height of the axle. the wheel.
  • Figure 14 It is an illustration composed of two figures (14a and 14b) in which the 14a is an isometric view of the chair module assembled to the pendular module with its elements (32) and (33) converging towards the pin (34) to be inserted in the eyelet (14) shown in Fig. 9;
  • Figure 14b is a side view showing in detail the pendulum module with respect to the center of gravity, which moves on the horizontal axis depending on the distribution of the weight exerted on the chair.
  • Figure 15 It is a schematic illustration of the pendular mechanism to show the physical parameters involved in the oscillation of the pendular module where the elements (32) and (33) are telescopic elements with springs (35) that form a damping system, moment of weight on the chair.

Landscapes

  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

L'invention concerne la branche de l'électromécanique appliquée à une chaise roulante électrique anti-vertiges à système de transmission de puissance pour haute montagne, ladite chaise étant assemblée en divers modules suivants: i) un module de chaise supérieur assemblé sur un rail, lequel est pourvu d'un système de transmission pour un déplacement horizontal; ii) un module d'oscillation pendulaire, tel qu'un système de suspension de la chaise; iii) un module de châssis à trois roues; iv) un module de transmission de puissance composé de deux moteurs et boîtes de vitesses indépendantes pour chaque roue avant; v) un module de levier de commande qui guide les fonctions de la chaise telles que la vitesse du moteur, l'application de changements, la réalisation de virages et l'actionnement du système de freinage; et vi) un module de poussoir télescopique accouplé aux commandes d'accélération et de ralentissement, installées sur les poignées du poussoir.
PCT/IB2018/053136 2017-05-05 2018-05-05 Chaise roulante électrique anti-vertiges à système de transmission de puissance pour déclivité élevée Ceased WO2018203309A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CONC2017/0004549A CO2017004549A1 (es) 2017-05-05 2017-05-05 Silla de ruedas electrica anti vertigo con sistema de transmisión de potencia para alta montaña
CONC2017/0004549 2017-05-05

Publications (1)

Publication Number Publication Date
WO2018203309A1 true WO2018203309A1 (fr) 2018-11-08

Family

ID=64017029

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2018/053136 Ceased WO2018203309A1 (fr) 2017-05-05 2018-05-05 Chaise roulante électrique anti-vertiges à système de transmission de puissance pour déclivité élevée

Country Status (2)

Country Link
CO (1) CO2017004549A1 (fr)
WO (1) WO2018203309A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5722501A (en) * 1996-05-24 1998-03-03 Teftec Corporation Bevel steering gear integrated drive transmission
US5904214A (en) * 1997-07-11 1999-05-18 Lin; David Jung-Ching Power assist anti-tip wheel system for invalid carriage
JP2001327545A (ja) * 2000-05-25 2001-11-27 Mimura Tekko Kk 車椅子
KR20140002826A (ko) * 2012-06-26 2014-01-09 서울과학기술대학교 산학협력단 기계적 균형 보상 장치·진동 감쇠 장치가 적용된 전동식 휠체어구동로봇
US20140246841A1 (en) * 2013-03-04 2014-09-04 Murray G. Slagerman Tilt-in-space wheelchair using multiple controlling paths
US20170071804A1 (en) * 2014-04-29 2017-03-16 Reac Ab Powered wheelchair

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5722501A (en) * 1996-05-24 1998-03-03 Teftec Corporation Bevel steering gear integrated drive transmission
US5904214A (en) * 1997-07-11 1999-05-18 Lin; David Jung-Ching Power assist anti-tip wheel system for invalid carriage
JP2001327545A (ja) * 2000-05-25 2001-11-27 Mimura Tekko Kk 車椅子
KR20140002826A (ko) * 2012-06-26 2014-01-09 서울과학기술대학교 산학협력단 기계적 균형 보상 장치·진동 감쇠 장치가 적용된 전동식 휠체어구동로봇
US20140246841A1 (en) * 2013-03-04 2014-09-04 Murray G. Slagerman Tilt-in-space wheelchair using multiple controlling paths
US20170071804A1 (en) * 2014-04-29 2017-03-16 Reac Ab Powered wheelchair

Also Published As

Publication number Publication date
CO2017004549A1 (es) 2017-08-10

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