EP0279052B1 - Isokinetique ergomètre - Google Patents

Isokinetique ergomètre Download PDF

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Publication number
EP0279052B1
EP0279052B1 EP87118368A EP87118368A EP0279052B1 EP 0279052 B1 EP0279052 B1 EP 0279052B1 EP 87118368 A EP87118368 A EP 87118368A EP 87118368 A EP87118368 A EP 87118368A EP 0279052 B1 EP0279052 B1 EP 0279052B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
ergometer
valve
piston
reservoir
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.)
Expired - Lifetime
Application number
EP87118368A
Other languages
German (de)
English (en)
Other versions
EP0279052A1 (fr
Inventor
Rainer Wolf
Jürgen Dr. Volz
Rainer Denkinger
Volker Dr. Nolte
Gerd Hussy
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.)
Kst-Motorenversuch & Co KG GmbH
Original Assignee
Kst-Motorenversuch & Co KG GmbH
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 Kst-Motorenversuch & Co KG GmbH filed Critical Kst-Motorenversuch & Co KG GmbH
Priority to AT87118368T priority Critical patent/ATE72747T1/de
Publication of EP0279052A1 publication Critical patent/EP0279052A1/fr
Application granted granted Critical
Publication of EP0279052B1 publication Critical patent/EP0279052B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
    • A63B21/0083—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters of the piston-cylinder type
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00058—Mechanical means for varying the resistance
    • A63B21/00069—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00058—Mechanical means for varying the resistance
    • A63B21/00069—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
    • A63B21/00072—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve by changing the length of a lever
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0076—Rowing machines for conditioning the cardio-vascular system
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0025—Particular aspects relating to the orientation of movement paths of the limbs relative to the body; Relative relationship between the movements of the limbs
    • A63B2022/0041—Particular aspects relating to the orientation of movement paths of the limbs relative to the body; Relative relationship between the movements of the limbs one hand moving independently from the other hand, i.e. there is no link between the movements of the hands
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0076—Rowing machines for conditioning the cardio-vascular system
    • A63B2022/0082—Rowing machines for conditioning the cardio-vascular system with pivoting handlebars
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/06—Training appliances or apparatus for special sports for rowing or sculling
    • A63B2069/064—Training appliances or apparatus for special sports for rowing or sculling with pivoting handlebars
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00058—Mechanical means for varying the resistance
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/002—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices isometric or isokinetic, i.e. substantial force variation without substantial muscle motion or wherein the speed of the motion is independent of the force applied by the user

Definitions

  • the present invention relates to an isokinetic ergometer.
  • Ergometers are used for training and targeted muscle building by athletes or for gymnastics and therapy purposes.
  • a motion control e.g. a seat sliding on a rail
  • force application points e.g. Belts, skulls, pushing or pulling device with handles or other force absorption devices and an associated braking unit or speed control.
  • Levers or cables connected with a suitable mechanism generate resistance against braking, which is overcome by arm and / or leg actuation and / or body actuation. The provision can be made largely without force.
  • An isokinetic ergometer is known from US-A-4 063 726, a pump controlled by a control circuit permitting piston movements at constant speed, regardless of the force applied.
  • the present invention has therefore set itself the task of creating an isokinetic ergometer that does without electrical control loops. This object is achieved with an ergometer according to claim 1.
  • a flow control valve is understood to be a throttle valve with a differential pressure valve or a pressure compensator.
  • the pressure drop at the throttle point is kept constant, the flow of the hydraulic fluid is almost independent of the working pressure.
  • the liquid moved by the piston can be conveyed via the flow control valve into a container, from which it then e.g. the return movement of a rower, can be returned to the cylinder space.
  • Training with the aid of the device according to the invention can be considerably improved if the hydraulic fluid is conveyed into a pressure accumulator and this is brought back into the cylinder under pressure reduction via a non-return valve, as a result of which the piston moves back and in through the line cross section at a certain speed and with it the force application points his movement is at least supported.
  • the piston can also be connected to a return spring.
  • the flow rate of the hydraulic fluid can advantageously be adjusted to the respective needs, ie to the training program, by means of an adjustable orifice arranged in the flow control valve.
  • the device according to the invention is particularly suitable and designed, as a result of which its use in the field of elite sport is derived.
  • the mechanical transmission of the training movement to the piston takes place in a particularly simple and reliable manner, e.g. by means of a pin connected to the lever or a cable pulley, to which a gearwheel is attached, which cooperates with a rack.
  • the rack is connected to the piston and moves it back and forth according to the training movement.
  • the isokinetic training with an eccentric one, as a result of which the type of training varies and the trianing yield can be increased. Both types of training are especially tailored to rowing training to a particularly high degree.
  • the training work is reversed in such a way that the exercising person must now work against a force exerted on the force application points.
  • this can be done in both directions in a simple manner in that the piston front and piston rear interact alternately with the hydraulic motor.
  • the eccentric training work brought about against the hydraulic motor can also be carried out in particular isokinetically, for which purpose it is only necessary to interpose a separate flow control valve between the motor and the piston, which can optionally be secured by a separate check valve connected in series.
  • the change from purely isokinetic to eccentric training can be carried out by means of a slide which produces the supply line to the piston with the flow control valve of the purely isokinetic circuit or the pressure accumulator and the check valve assigned to it, or in a second position with the hydraulic motor or whose circulation connects.
  • the hydraulic motor can preferably be connected upstream with a storage container and downstream via a slide either with the cylinder of the ergometer or via the supply line to the pressure accumulator and an intermediate two-way valve with the storage container.
  • the hydraulic motor is preferably designed as a constant feed pump in order to build up a constant potential upstream of the flow control valve assigned to it, a pressure-maintaining valve connected to the reservoir being arranged between the flow control valve and the motor.
  • the "force application points” are understood to be the points at which the exercising person acts on the ergometer. These can be the handle of the cable or lever, such as with a rowing ergometer or foot support Shock devices or the arm and foot attachments of a swimming device, as well as the approaches of a back extension device or the like.
  • the preferred area of application is rowing training.
  • Fig. 1 In this figure, the structure of a rowing ergometer is shown. On a frame 3 boom 2 are attached, in which skulls 1 are pivotally mounted about axes that the pistons drive. The attachment of the skulls 1 to the axles can in principle also be designed to be vertically pivotable in order to imitate the immersion and lifting of the leaves out of the water.
  • the axis for the pivoting movement of the rudders is formed by a pin 13, which acts mechanically via a power transmission, for example via push rods, on a piston movable in a cylinder 4.
  • a stretcher board 25 is arranged on the head side, a seat (not shown) slides on rails 26. This arrangement is modeled on the conditions in a rowing boat.
  • Fig. 2 shows the above-mentioned cylinder 4, in which a piston 5 is movably housed.
  • the piston 5 is connected to a rack 14, which is driven by a gear 27.
  • the gear 27 is mounted on a pin 13 (FIG. 3), which is connected to the skulls (belts) and moves the rack 14 and piston 5 back and forth in accordance with the rudder movement.
  • the amount of hydraulic fluid corresponding to the content of the cylinder 5 thus enters the pressure accumulator 11 and is released by the latter via the check valve 9 in the bypass 8 to the cylinder 4.
  • Fig. 3 shows a large representation for better understanding the power transmission via the pin 13 and the gear 27 to the rack 14, which is rigidly connected to the piston 15 via the screw 28.
  • the rack 14 In the rear extension 29, the rack 14 is supported in order not to be able to avoid the engagement of the gear 27.
  • the cylinder 4 can be connected to the hydraulic line system via the bore 30 in the head plate 31 (FIG. 2, FIG. 5).
  • FIG. 4 shows a flow control valve with differential pressure spring 32 and valve piston 33 that can be used according to the invention .
  • the arrows indicate the direction of flow when the flow control valve is acted on, the flow being directed through the orifice plate 34, which, with the help of the handwheel 35, determines the throughput to predeterminable values.
  • the shunt (bypass) 8 with the check valve 9 is expediently integrated into this valve.
  • FIG. 5 shows the combination of the isokinetic hydraulics according to FIG. 2 in combination with an eccentrically acting and switchable arrangement.
  • This switchable eccentric mode of action in which the exercising person has to work against an externally applied force, is achieved by the hydraulic motor 15.
  • This acts on the piston 5 via the line 22 with the corresponding position of the slide 18.
  • the hydraulic motor 15 In order to be able to operate the hydraulic motor 15 at constant speeds or constant pressure, it is connected to a pressure-maintaining valve 23 via the branch 24.
  • the hydraulic motor 15 is fed via a line 19, a filter 36 and a cooler 37 from a reservoir 21 and also releases excess hydraulic fluid into the pressure holding valve 23.
  • an additional flow control valve 16 can be arranged in the line 22, which is secured by a separate check valve 27.
  • the lever (skull) 1 has a switch 36 which moves the slider 18 to the left from the position shown and releases the inflow from the hydraulic motor 15. In the opposite Position, the slide 18 is released and retracted spring-actuated. The liquid passes through the lines 7, 7 ⁇ and 10 ⁇ into the reservoir 21 with the corresponding position of the two-way valve 20, which blocks the pressure accumulator 11 for eccentric training.
  • a direct connecting line 38 can also be connected to the slide 18, via which line 10, 10 ⁇ hydraulic fluid can be circulated by the motor 15 without, for example, acting on the flow control valve 6 via line 7 ⁇ .

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Braking Arrangements (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Inorganic Insulating Materials (AREA)
  • Hydraulic Motors (AREA)
  • Vehicle Body Suspensions (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Flexible Shafts (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Lock And Its Accessories (AREA)
  • Actuator (AREA)
  • Rehabilitation Tools (AREA)

Claims (8)

  1. Ergomètre isocinétique comprenant un cylindre (4), un piston (5) qui est agencé de manière déplaçable à l'intérieur du cylindre et qui est relié à un levier (1) supporté de manière à pouvoir pivoter, un réservoir et des conduits (7, 10), qui relient le cylindre (4) au réservoir et dans lesquels sont agencés un régulateur ajustable et une soupape de retenue (9), caractérisé en ce que le régulateur ajustable est un soupape de réglage de débit (6) et en ce que la soupape de retenue (9) est agencée dans une dérivation (8) prévue entre le réservoir et le cylindre (4).
  2. Ergomètre suivant la revendication 1, caractérisé en ce que le réservoir est un accumulateur de pression (11).
  3. Ergomètre suivant la revendication 2, caractérisé en ce que le piston (5) est relié de manière fixe à une crémaillère (14) qui coopère avec une roue dentée (27) reliée au levier (1).
  4. Ergomètre suivant l'une des revendications 1 à 3, caractérisé en ce qu'un moteur hydraulique (15) est raccordé au conduit (7 et 22) relié au cylindre (4).
  5. Ergomètre suivant la revendication 4, caractérisé en ce qu'une autre soupape de réglage de débit (16) et éventuellement une autre soupape de retenue (17) montée en série sont agencées entre le cylindre (4) et le moteur hydraulique (15).
  6. Ergomètre suivant l'une des revendications 4 et 5, caractérisé en ce que le moteur hydraulique (15) peut être mis en circuit par l'intermédiaire d'un coulisseau lors d'une inversion du mouvement du levier (1).
  7. Ergomètre suivant l'une des revendications 4 à 6, caractérisé en ce que le moteur hydraulique (15) peut, par l'intermédiaire du conduit de liaison (22) et du coulisseau (18), être relié à un autre conduit (38) et, par l'intermédiaire d'un robinet à deux voies (20) agencé dans ce dernier, à un réservoir supplémentaire (21) de liquide hydraulique.
  8. Ergomètre suivant l'une des revendications 5 à 7, caractérisé en ce que le moteur hydraulique (15) est conçu sous la forme d'une pompe de circulation constante et en ce qu'une soupape de maintien de pression (23) est agencée sur le conduit de liaison (22) entre l'autre soupape de réglage de débit (16) et le moteur hydraulique (15), dans une ramification (24) qui est raccordée du côté sortie au réservoir supplémentaire (21).
EP87118368A 1987-02-17 1987-12-11 Isokinetique ergomètre Expired - Lifetime EP0279052B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87118368T ATE72747T1 (de) 1987-02-17 1987-12-11 Isokinetisches ergometer.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3704918 1987-02-17
DE19873704918 DE3704918A1 (de) 1987-02-17 1987-02-17 Ruderergometer

Publications (2)

Publication Number Publication Date
EP0279052A1 EP0279052A1 (fr) 1988-08-24
EP0279052B1 true EP0279052B1 (fr) 1992-02-26

Family

ID=6321122

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87118368A Expired - Lifetime EP0279052B1 (fr) 1987-02-17 1987-12-11 Isokinetique ergomètre

Country Status (10)

Country Link
US (1) US4869498A (fr)
EP (1) EP0279052B1 (fr)
JP (1) JPS63203171A (fr)
AT (1) ATE72747T1 (fr)
CA (1) CA1310028C (fr)
DD (1) DD267430A5 (fr)
DE (2) DE3704918A1 (fr)
DK (1) DK693887A (fr)
ES (1) ES2030042T3 (fr)
GR (1) GR3004297T3 (fr)

Families Citing this family (16)

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Publication number Priority date Publication date Assignee Title
FR2645032A1 (fr) * 1989-03-31 1990-10-05 Design Corporel Dispositif d'exercice musculaire equipe d'un verin pneumatique
US5020795A (en) * 1989-06-07 1991-06-04 Soma Dynamics Corporation Physical therapy and exercise apparatus for body limbs
US5312315A (en) * 1990-12-21 1994-05-17 Core Outpatient Services Pneumatic variable resistance rehabilitation/therapy apparatus
DE9115531U1 (de) * 1991-12-14 1992-02-20 Hammer, Hans-Günter, 7910 Neu-Ulm Rudermaschine für Trainingszwecke
US5312107A (en) * 1993-05-13 1994-05-17 Kordun, Ltd. Golf club swing training and exercise device
US8333681B2 (en) * 1996-05-31 2012-12-18 Schmidt David H Speed controlled strength machine
AUPQ054799A0 (en) * 1999-05-21 1999-06-17 Rosendahl, Glenn Exercising and measurement apparatus and method
DE10164117B4 (de) * 2001-12-24 2004-04-15 Albiger, Jonas, Dr. Ruderergometer
AU2003217519A1 (en) * 2002-03-25 2003-10-08 Bon-Su Ku Hydraulic system of multipurpose motion organization
DE10242384B3 (de) * 2002-09-12 2004-04-15 Winrow Gmbh Rudertrainingsgerät
DE102004051371A1 (de) * 2004-04-21 2006-04-27 Josef Mittermaier Trainingsgerät
WO2007141760A1 (fr) * 2006-06-08 2007-12-13 Genesis Fitness (Pty) Ltd Dispositif d'exercice isocinétique
KR100965916B1 (ko) * 2007-11-20 2010-06-24 차병권 웨이트 트레이닝용 운동기구 및 그 제어방법
NL2003981C2 (nl) * 2009-12-18 2011-06-21 Standing Strong B V Belastinginrichting voor een fitnessapparaat.
GB201322949D0 (en) * 2013-12-23 2014-02-12 Scott Steve An apparatus for physical exercise
US11058908B2 (en) * 2020-07-22 2021-07-13 David McCann Weight training apparatus

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US3266801A (en) * 1964-10-26 1966-08-16 Bio Dynamics Inc Fluid operated rowing machine
US3369403A (en) * 1965-10-23 1968-02-20 Exotronic Systems Ltd Hydraulic muscle strength developing apparatus
DE1902232A1 (de) * 1969-01-17 1970-07-23 Unisport Gmbh Sporteinrichtung Ergometer und Trainingsgeraet fuer Ruderer
DE2324758A1 (de) * 1973-05-16 1974-12-05 Beilhack Feuerland Werk Trockenrudergeraet
US3902480A (en) * 1974-12-02 1975-09-02 Robert J Wilson Electro-mechanical isotonic or isokinetic exercising system
US3998100A (en) * 1975-04-21 1976-12-21 Pizatella Robert F Exercise process and apparatus
US4063726A (en) * 1976-04-26 1977-12-20 Wilson Robert J Electronically controlled hydraulic exercising system
US4235437A (en) * 1978-07-03 1980-11-25 Book Wayne J Robotic exercise machine and method
US4258913A (en) * 1979-04-09 1981-03-31 Brentham Jerry D Forearm exerciser
US4482152A (en) * 1982-10-13 1984-11-13 Wolff Leslie C Exercise equipment
DD212426A1 (de) * 1982-12-16 1984-08-15 Tech Zentrum Geraete Und Anlag Ruderuebungsgeraet
US4726583A (en) * 1983-04-14 1988-02-23 Olsen Controls, Inc. Passive hydraulic resistance system
FR2579472B1 (fr) * 1985-03-29 1987-03-27 Saelen Michel Dispositif de controle et de regulation d'un appareil d'exercice physique et appareil pourvu d'un tel dispositif
DE3526144A1 (de) * 1985-07-22 1987-01-29 Guenter Kern Trainingsgeraet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LEXICON DER FERTIGUNGSTECHNIK UND ARBEITSMASCHINEN Band 9, S 388: Dt. Verlagsanstalt Stuttgart; G. Matthée *

Also Published As

Publication number Publication date
CA1310028C (fr) 1992-11-10
DK693887A (da) 1988-08-18
DK693887D0 (da) 1987-12-30
DE3704918A1 (de) 1988-08-25
ATE72747T1 (de) 1992-03-15
ES2030042T3 (es) 1992-10-16
DD267430A5 (de) 1989-05-03
JPS63203171A (ja) 1988-08-23
US4869498A (en) 1989-09-26
DE3776886D1 (de) 1992-04-02
EP0279052A1 (fr) 1988-08-24
GR3004297T3 (fr) 1993-03-31
DE3704918C2 (fr) 1992-08-27

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