EP3638382B1 - Training apparatus - Google Patents
Training apparatus Download PDFInfo
- Publication number
- EP3638382B1 EP3638382B1 EP18737139.8A EP18737139A EP3638382B1 EP 3638382 B1 EP3638382 B1 EP 3638382B1 EP 18737139 A EP18737139 A EP 18737139A EP 3638382 B1 EP3638382 B1 EP 3638382B1
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- EP
- European Patent Office
- Prior art keywords
- handles
- rowlock
- shaft
- drive mechanism
- axis
- 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.)
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Classifications
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- 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
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- 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
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- A—HUMAN NECESSITIES
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- 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
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- 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
- A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
- A63B21/0051—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters using eddy currents induced in moved elements, e.g. by permanent magnets
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- 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
- A63B21/15—Arrangements for force transmissions
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- 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
- A63B21/22—Resisting devices with rotary bodies
- A63B21/225—Resisting devices with rotary bodies with flywheels
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- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/0002—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms
- A63B22/001—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms by simultaneously exercising arms and legs, e.g. diagonally in anti-phase
- A63B22/0012—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms by simultaneously exercising arms and legs, e.g. diagonally in anti-phase the exercises for arms and legs being functionally independent
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- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/0087—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with a seat or torso support moving during the exercise, e.g. reformers
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- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/03575—Apparatus used for exercising upper and lower limbs simultaneously
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- A63B22/0076—Rowing machines for conditioning the cardio-vascular system
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- A63B22/0076—Rowing machines for conditioning the cardio-vascular system
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- A63B2022/0084—Rowing machines for conditioning the cardio-vascular system with pivoting handlebars pivoting about a horizontal axis
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- 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
- A63B21/0085—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 using pneumatic force-resisters
- A63B21/0088—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 using pneumatic force-resisters by moving the surrounding air
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/50—Force related parameters
- A63B2220/54—Torque
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- A—HUMAN NECESSITIES
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/09—Adjustable dimensions
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/20—Miscellaneous features of sport apparatus, devices or equipment with means for remote communication, e.g. internet or the like
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- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
Definitions
- the invention relates to a training device for simulating rowing training according to the preamble of claim 1.
- a large number of training devices for simulating rowing training are known from the prior art, each of which has a rolling seat that can be moved back and forth or back and forth on a guide.
- Such training devices also called rowing machines or rowing ergometers, also have a so-called stretcher on which the feet of the user can be placed, which is usually arranged at one end of the guide of the rolling seat.
- a handle with two gripping surfaces is usually used, which is arranged on a rope, whereby when the tensile forces are applied to the handle, the rope is pulled out of the rowing ergometer and thus a braking mechanism, for example a magnetic brake or a turbine wheel, is used turns in water, is operated and so the power of the rower is dissipated.
- a braking mechanism for example a magnetic brake or a turbine wheel, is used turns in water, is operated and so the power of the rower is dissipated.
- rowing machines are, for example, from the WO 97/22389 A1 (PAPE LESLIE) of June 26, 1997 or the US 2010/240494 A1 (MEDINA RR) of September 23, 2010 known, which have a frame and roll seat. Furthermore, these rowing machines also comprise two handles that can be rotated independently of one another, each of which is rotatably mounted on a oarlock shaft and a drive mechanism to which each oarlock shaft is connected in a force-transmitting manner.
- PAPE LESLIE PAPE LESLIE
- MEDINA RR US 2010/240494 A1
- the disadvantage of the rowing ergometers known from the prior art is that the resistance of the braking devices usually cannot simulate authentic rowing on water and, above all, the limited movement of the handles, which are usually connected to each other for the left and right hand, the independent movement the rudder in a rowing boat can only inadequately simulate it.
- Another disadvantage of the rowing ergometers known from the prior art is that an authentic rowing movement cannot be performed, which means that the user only ever achieves an inadequate training effect on an ergometer and the stroke sequence on a rowing boat is not learned correctly or is falsified.
- the object of the present invention is therefore to provide a rowing machine or rowing ergometer which, on the one hand, enables the two arms or Allowing the user's hands on the braking device and also reproducing the resistance of rowing in the water as authentically as possible.
- a lever is arranged on the oarlock shaft, in particular at the end of the oarlock shaft opposite the handles, which can be pivoted with the handles about the axis of the respective oarlock shaft, with a pulling element on the lever, in particular a Pull rod, is arranged with which the rotary movement can be transmitted from the handles to the drive mechanism. Due to the power transmission from the handles via the oarlock shaft to the drive mechanism by means of a lever and the pulling element, the return of the handles is advantageously improved independently of one another, whereby, in contrast to the cable pull elements known from the prior art, no further elements are required to return the pulling elements.
- a particularly compact design of the training device is achieved in that the drawbars are arranged in two planes arranged parallel and spaced one above the other in such a way that the pivoting movement of the drawbars in a projecting Layers overlap each other without the drawbars touching each other.
- the distances between the drawbars in the lateral direction or in the direction of the oarlock shafts can be reduced and a space-saving and particularly compact design of the training device can be achieved.
- the drive mechanism has at least one force transmission element, in particular a chain drive or a belt drive or a gear pair, the force transmission element being arranged between one of the oarlock shafts and the braking device so that the different directions of rotation of the oarlock shafts in a common Direction of rotation can be deflected.
- the power of the handles which can be rotated independently of one another, can easily be transferred to a single braking device. Since the two handles are pulled in the direction of the user's chest during the rowing movement, a rotary movement occurs on the two oarlock shafts that is opposite to that of the other shaft oarlock.
- This rotary movement can be deflected by the design of the drive mechanism with a power transmission element in a common direction of rotation, whereby the performance of the individual handles is added or combined or summed and can then be delivered together to the braking device, but the independent rotation of the handles is retained .
- the handles having an elongated cylindrical shape, the handles preferably being rotatable in their axis and the handles having a stop with which the rotation in the cylinder axis of the handles can be limited.
- the rotation of the handles in their axis enables a more authentic sequence of movements for the rower or the user of the training device, since the wrists and oars or handles can be tilted up or turned in, respectively, in the final phase of the oar stroke.
- Direct feedback can be given to the user simply by integrating a force measuring device into the handles, with which the force transmission via the handles to the drive mechanism can be measured, the force measuring device in particular comprising a number of strain gauges with which the bending deformation of the handles can be measured.
- An up and down movement of the handles similar to a rudder can easily be provided by the handles being pivotably mounted in an axis normal to the axis of the oarlock shaft, in particular at one end of the respective oarlock shaft.
- the braking device comprises a fan wheel, magnetic or eddy current brake or as an element generating an electrical current.
- the hydrodynamic resistance of the water can be simulated simply by means of an aerodynamic resistance, which leaves the user with an authentic rowing feeling.
- the training by means of a magnetic or eddy current brake or as an electrical current-generating element allows the resistance or the braking power to be designed variably, so that different training scenarios can be simulated.
- electrical current can be generated by the power of the rudder, which in turn can be used to operate the electronics or other electrical devices.
- brackets are arranged on the frame, the oarlock shafts each being mounted in one of the brackets.
- the force measuring device is designed in such a way that the force applied to the handles and / or the position of the handles, in particular about their axis, is fed to evaluation electronics and that the Resistance of the braking device is adjustable depending on the force applied to the handles and / or the position of the handles, in particular about their axis.
- oarlock shafts each have a oarlock at one end, on which the handles are mounted.
- Fig. 1 shows an embodiment of a training device according to the invention in an isometric view
- Fig. 2 shows a detailed view of the drive mechanism in isometric view
- Fig. 3 shows a detailed view of a handle and part of a oarlock shaft
- Fig. 4 shows an exploded view of an embodiment of the drive mechanism
- Fig. 5 shows a side view of the drive mechanism according to FIG Fig. 4
- Fig. 6 FIG. 13 shows a top view of the drive mechanism according to FIG Fig. 4 and 5
- Fig. 7 shows an embodiment of the drive mechanism with a magnetic brake
- Fig. 8 shows an embodiment of the drive mechanism with a power generating element.
- a training device 10 for simulating rowing training is shown in an isometric view.
- the training device 10 comprises two handles 7a, 7b, which are each rotatably mounted in two oarlock shafts 3a, 3b.
- the handles 7a, 7b are each mounted at one end with the respective oarlock shaft 3a, 3b so as to be pivotable in an axis normal to the axis of the oarlock shaft 3a, 3b.
- the training device 10 also has a frame 5 on which a guide 2 is arranged.
- a rolling seat 1 is attached to the guide 2 and can be moved linearly back and forth along the axis of the guide 2 on the latter.
- a stretcher 8 is arranged on which the user can put his feet or, when striking the oar, press his feet against it or support them.
- the user When rowing, the user is seated or rower on the rolling seat 1, supports the feet on the stretcher 8 and grips the handles 7a, 7b with both hands.
- the handles 7a, 7b are then pulled from a position with arms extended and knees bent towards the chest and, at the same time, the user's legs are extended, causing the rolling seat 1 to roll back away from the stretcher 8 and the handles 7a, 7b in the Direction of the backward movement of the rolling seat 1 are rotated or pivoted.
- the respective oarlock axis 3a, 3b is also rotated, with the two oarlock axes being rotated in different directions of rotation, i.e. one clockwise and the other counterclockwise, due to the arrangement of the handles 7a, 7b.
- two arms 16a, 16b are arranged, which extend laterally parallel to the contact surface of the frame 5 normal to the course of the guide 2.
- the oarlock shafts 3a, 3b are mounted in these arms 16a, 16b, whereby the oarlock shafts 3a, 3b are each arranged on one side of the guide 2 at a distance normal to the direction of movement of the guide and normal to the contact surface of the frame 5.
- the oarlock shafts 3a, 3b each have a lever 12a, 12b at the ends opposite the handles 7a, 7b, which can be pivoted or rotated with the handles 7a, 7b about the axis of the respective oarlock shaft 3a, 3b.
- a pulling element in this embodiment a pulling rod 13a, 13b, which transmits the force or power introduced at the handles 7a, 7b by the rower to the drive mechanism 4.
- the drive mechanism 4 furthermore has a braking device 6 on which the power or force that is delivered to the training device 10 by the user at the handles 7a, 7b is dissipated from the drive mechanism 4 and thus a resistance, torque or effort is to be applied by the user in order to pivot the handles 7a, 7b about the axis of the oarlock shafts 3a, 3b.
- a braking device 6 on which the power or force that is delivered to the training device 10 by the user at the handles 7a, 7b is dissipated from the drive mechanism 4 and thus a resistance, torque or effort is to be applied by the user in order to pivot the handles 7a, 7b about the axis of the oarlock shafts 3a, 3b.
- the force introduced at the handles 7a, 7b is passed on to the drive mechanism 4 via the oarlock shafts 3a, 3b and the pulling element or, in this embodiment, the pulling rods 13a, 13b, which then delivers the power or force to the braking device 6.
- the drive mechanism 4 also has a freewheel 11 which is arranged between the oarlock shaft and the braking device 6.
- the freewheel 11 makes it possible to move the handles 7a, 7b independently of one another around the respective Swiveling oarlock shaft 3a, 3b, whereby when the handles 7a, 7b are rotated in a first direction around the axis of the respective oarlock shaft 3a, 3b, i.e.
- the freewheel 11 transmits power to the braking device 6 and when the handles 7a, 7b are operated in a second direction opposite to the first direction around the axis of the respective oarlock shafts 3a, 3b, i.e. in the direction of the forward movement of the rolling seat 1, the freewheel 11 releases the movement and so the handles 7a, 7b without Effort or without power being supplied to or removed from the braking device 6 can be returned.
- Fig. 2 a detailed view of a drive mechanism 4 of a preferred embodiment of the training device 10 is shown. How to Fig. 1 explained, the force is passed on to the drive mechanism 4 via the handles 7a, 7b each via a pull rod 13a, 13b.
- the drive mechanism 4 has a drawbar 18a, 18b for each drawbar 13a, 13b, which are connected to the respective drawbar 17a, 17b at the end of the drawbars 13a, 13b opposite the levers 12a, 12b and at the other end are rotatably mounted on a shaft 17a, 17b.
- the drive mechanism 4 further comprises a first chain drive 14a, which is connected to the intermediate shaft 17a, so that when the drawbar 18b is actuated or the drawbar 18b is rotated by the drawbar 13a, the chain drive 14a is rotated or pivoted.
- a first intermediate shaft 15a is arranged, on which a first freewheel 11a is attached.
- the second drawbar 18b is connected to a second chain drive 14b, which transmits the rotary movement of the drawbar 18b to a second freewheel 11b.
- the second freewheel 11b has a second intermediate shaft 15b which is connected to the first intermediate shaft 15a by means of an intermediate gear pair consisting of two gear wheels 19a, 19b.
- the power from the The second intermediate shaft 15b is transferred to the first intermediate shaft 15a and thus the power of the two handles 7a, 7b is added or summed up, i.e. the force, the torque and the power of the intermediate shaft 15a are increased by the force, the torque and the power of the second intermediate shaft 15b . If the handles 7a, 7b are then returned against the backward movement of the rolling seat 1, the first freewheel 11a and the second freewheel 11b allow a powerless or powerless reset, whereby a renewed pulling out of the rowing movement is allowed powerless.
- a sprocket of a further chain drive 27 is again arranged on the first intermediate shaft 15b, with which the added or summed power of the handles 7a, 7b or the intermediate shaft 15a is delivered to a braking device 6 or transmitted to it.
- the braking device 6 of Fig. 2 comprises a belt drive 61 and a fan wheel 23 which is connected to the belt drive 61 in a force-transmitting manner.
- the belt drive 61 is connected to the further chain drive 27, as a result of which the power or force from the further chain drive 27 or the first intermediate shaft 15a is transmitted to the fan wheel 23 and this is set in rotation. Due to its aerodynamic resistance of the fan wheel 23, a braking effect or power is dissipated from the drive mechanism 4 and thus a training resistance is generated.
- the fan wheel 23 can also be arranged in a housing, so that the aerodynamic resistance of the fan wheel 23 can be varied or adjusted depending on the design of the fan wheel 23 and the housing.
- the housing can, for example, have a defined profile of the wall or guide vanes facing the fan wheel 23 in order to influence the aerodynamic characteristics of the fan wheel 23.
- FIG. 4 is an exploded view of the drive mechanism 4 in FIG Fig. 2 shown with a view of the first chain drive 14a.
- first intermediate shaft 15a By arranging the first intermediate shaft 15a with the second intermediate shaft 15b and the connection of the first intermediate shaft 15a with the second intermediate shaft 15b via an intermediate gear pair, the different directions of rotation of the first intermediate shaft 15a and the second intermediate shaft 15b are converted into a common direction of rotation on the first intermediate shaft 15a .
- the power combined or added at the first intermediate shaft 15a is delivered to the braking device 6 of the training device 10 via the further chain drive 27.
- the power that is transmitted from the user to the oarlock shafts 3a, 3b at the handles 7a, 7b is transmitted via the respective tie rods 13a, 13b and the first chain drive 14a and the second chain drive 14b together via the first freewheel 11a and the second freewheel 11b is transmitted to the first intermediate shaft 15a and thus to the braking device 6.
- the first freewheel 11a and the second freewheel 11b allow the handles 7a, 7b to be reset without force or power when the handles 7a, 7b are returned against the backward movement of the rolling seat 1, whereby the rotary movement of the fan wheel 23 is maintained.
- an increased or lower aerodynamic resistance of the fan wheel 23 or resistance and power consumption of the braking device 6 is achieved.
- Fig. 5 shows a side view of a preferred embodiment of the training device 10 with a view of the second chain drive 14b and the fan wheel 23.
- the first drawbar 18a is arranged in a plane parallel to the plane of the second drawbar 18b at a distance above the second drawbar 18b, so that the pivoting movements of the drawbars 18a, 18b intersect in a projecting plane without the drawbars 18a, 18b touching each other.
- the drawbars 18a, 18b and thus the first chain drive 14a, 14b are thus arranged one above the other in two parallel planes arranged at a distance from one another and allow a space-saving design of the drive mechanism 4.
- the two drawbars 18a, 18b or the first chain drive 14a and the second Chain drives 14b are in the direction of the axes of shafts 17a, 17b ( Fig. 6 ) arranged at a distance, that is to say offset, these being arranged symmetrically at a distance around the axis of symmetry of the drive device 4 or the central axis of the guide 2.
- the drive mechanism 4 as in FIG Fig. 5 and 6th shown, chain tensioner 31 for the first chain drive 14a, the second chain drive 14b and / or the further chain drive 27.
- the braking device 6, also as in FIG Fig. 7 shown, comprise a magnetic or eddy current brake 24, which enables a braking effect or power consumption from the drive device 4.
- a magnetic or eddy current brake 24 it is possible to make the resistance within the braking device 4 variable and to adjust it depending on the requirements of the user.
- the braking device 6 can optionally as in Fig. 8 also be designed as an electric current generating element 25 shown.
- the electricity-generating element 25 comprises a copper washer 40 on which electrical coils 41 are attached.
- the copper disk 40 is covered with a metal disk 42 firmly connected to a housing.
- current is generated in the coils 41 and the resistance of the braking device 6 can be set variably by means of a control by a microcontroller, depending on the coil setting.
- the amount of the current supplied to the coils 41 and the electromagnetic energy field generated thereby then determines the level of the resistance of the braking device 6 and thus the amount of current which is generated by the rowing.
- the braking device 6 comprises another electrical current generating element 25 known from the prior art, such as a generator, which converts the power of the rower or user supplied to the braking device 6 into electrical current.
- the generated current can then be used for the operation of the training device 10 and the resistance of the Braking device 6 can be changed depending on the number of strokes, force on the handles 7a, 7b and the position of the handles 7a, 7b.
- the stretcher 8 is fastened along the frame 5, for example by means of a tensioning mechanism, whereby the distance of the stretcher 8 to the guide 2 or to the rolling seat 1 can be adapted to the user.
- the handle 7a has a cylindrical, elongated design.
- the handle 7a is constructed in two parts, the first part 71 being hollow and being introduced into a second handle receptacle 72 which is constructed in the same way.
- the first part 71 of the handle 7a can be rotated in the handle receptacle 72 along the axis of the first part 71, whereby a rotational movement of the rudder around its own axis in the water can be simulated.
- the handle 7a also has a stop 21 which is designed as an elongated hole 22 running along a radius.
- An extension or a screw 73 which is connected to the first part 71 of the handle 7a, runs in the elongated hole 22 and slides along its axis in the elongated hole 22 when the first part 71 is rotated. Due to the dimensioning of the elongated hole 22 with the extension or the screw 73, the rotational movement along the axis of the first part 71 is limited.
- the oarlock shafts 3a, 3b as exemplified for a handle 7a in FIG Fig. 3 shown, have at one of their ends a oarlock 30a, 30b, on which the handles 7a, 7b are tiltably mounted.
- the handles 7a, 7b are tilted or mounted in an axis that is normal to the axis of rotation of the oarlock shafts 3a, 3b, whereby the handles 7a, 7b up and down with respect to the rolling seat 1 or the user of the training device 10 can be tilted or pivoted.
- the training device 10 comprises a force measuring device, this being preferably integrated into the handles 7a, 7b.
- the force measuring device can be used to measure the force transmission of the force or power output at the handles 7a, 7b to the drive mechanism 4, wherein the force measuring device can preferably be formed by a number of strain gauges arranged on the handles 7a, 7b.
- the angle of rotation of the handles 7a, 7b about their axis can be measured, for example by means of an angle transmitter, and is fed to an electronic evaluation system.
- the strain gauges By arranging the strain gauges on the handles 7a, 7b, in particular the Bending deformation of the handles 7a, 7b can be measured and thus the introduction of force to the handles 7a, 7b are recorded separately from one another and, for example, different rowing movements of the individual arms are fed back or reported to the user of the training device 10.
- the force detected by the force measuring device which is applied by the user to the handles 7a, 7b and / or the position of the handles, around the respective oarlock shafts 3a, 3b and / or the position of the handles 7a, 7b are passed on to the evaluation electronics about their axis.
- the resistance of the braking device 6 can then be adapted to the measured parameters by means of the evaluation electronics.
- the increased hydrodynamic resistance of the water can be adapted in the event of an increased boat speed or number of strokes, and thus a still realistic resistance can be simulated in the braking device 6.
- braking devices 6 known from the prior art can optimally be provided for the extraction of power from the drive device 4, these being able to include, for example, flywheels, mechanical brakes or something else.
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Description
Die Erfindung betrifft ein Trainingsgerät zur Simulation von Rudertraining gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a training device for simulating rowing training according to the preamble of claim 1.
Aus dem Stand der Technik sind eine Vielzahl von Trainingsgeräten zur Simulation von Rudertraining bekannt, die jeweils einen auf einer Führung hin und her bzw. vor und zurück bewegbaren Rollsitz aufweisen. Derartige Trainingsgeräte, auch Rudergeräte oder Ruderergometer genannt, weisen weiters ein sogenanntes Stemmbrett auf, auf dem die Füße des Benutzers aufgelegt werden können, das zumeist an einem Ende der Führung des Rollsitzes angeordnet ist. Zur Einbringung der Armkraft auf das Ruderergometer wird meist ein Griff mit zwei Griffflächen verwendet, der an einem Seil angeordnet ist, wobei bei Einbringung der Zugkräfte an dem Griff das Seil aus dem Ruderergometer herausgezogen wird und so ein Bremsmechanismus beispielsweise eine Magnetbremse oder ein Turbinenrad, das sich in Wasser dreht, betätigt wird und so die Leistung des Ruderers abgeführt wird. Ein derartiges Rudergerät ist beispielsweise aus der
Aus dem Stand der Technik sind Rudergeräte beispielweise aus der
Nachteil der aus dem Stand der Technik bekannten Ruderergometer ist es, dass der Widerstand der Bremsvorrichtungen meist nicht das authentische Rudern auf Wasser simulieren kann und vor allem die eingeschränkte Bewegung der Griffe, die meist für die linke und rechte Hand aneinander verbunden sind, die unabhängige Bewegung der Ruder bei einem Ruderboot nur ungenügend simulieren kann. Ein weiterer Nachteil der aus dem Stand der Technik bekannten Ruderergometer ist, dass eine authentische Ruderbewegung nicht ausgeführt werden kann, wodurch der Benutzer immer nur einen ungenügenden Trainingseffekt auf einem Ergometer erreicht und der Schlagablauf auf einem Ruderboot nicht richtig erlernt oder verfälscht wird.From the prior art, rowing machines are, for example, from the
The disadvantage of the rowing ergometers known from the prior art is that the resistance of the braking devices usually cannot simulate authentic rowing on water and, above all, the limited movement of the handles, which are usually connected to each other for the left and right hand, the independent movement the rudder in a rowing boat can only inadequately simulate it. Another disadvantage of the rowing ergometers known from the prior art is that an authentic rowing movement cannot be performed, which means that the user only ever achieves an inadequate training effect on an ergometer and the stroke sequence on a rowing boat is not learned correctly or is falsified.
Aufgabe der vorliegenden Erfindung ist es daher, ein Rudergerät bzw. Ruderergometer bereit zu stellen, das einerseits eine unabhängige Krafteinbringung der beiden Arme bzw. Hände des Benutzers auf die Bremsvorrichtung erlaubt und weiters den Widerstand von Rudern im Wasser möglichst authentisch wiedergibt.The object of the present invention is therefore to provide a rowing machine or rowing ergometer which, on the one hand, enables the two arms or Allowing the user's hands on the braking device and also reproducing the resistance of rowing in the water as authentically as possible.
Diese Aufgabe wird durch die kennzeichnenden Merkmale des Anspruches 1 gelöst. Besonders vorteilhafte Ausführungsformen des Trainingsgeräts werden durch die Merkmale der abhängigen Ansprüche näher definiert.
Durch die unabhängig voneinander bewegbaren Griffe wird der Bewegungsablauf eines Ruderers realistisch simuliert, da sich der Ruderer wie in einem Ruderboot bewegen kann. Weiters wird durch das spezielle Kraftübertragungssystem des Antriebsmechanismus der Widerstand des Wassers an den Griffen realistisch simuliert und der hydrodynamische Widerstand der Ruder in Wasser besonders vorteilhaft nachgeahmt. Weiters wird durch die unabhängig drehbaren Griffe die Koordination der linken und rechten Hand des Ruderers besser trainiert, wodurch ein erhöhter Trainingseffekt und eine höhere Leistungsverbesserung in einem Ruderboot erreicht wird.This object is achieved by the characterizing features of claim 1. Particularly advantageous embodiments of the training device are defined in more detail by the features of the dependent claims.
Thanks to the handles, which can be moved independently of each other, the movement of a rower is realistically simulated, as the rower can move like in a rowing boat. Furthermore, the special power transmission system of the drive mechanism realistically simulates the resistance of the water at the handles and the hydrodynamic resistance of the oars in water is particularly advantageously imitated. Furthermore, the independently rotatable handles train the co-ordination of the rower's left and right hand better, which increases the training effect and improves performance in a rowing boat.
Weiters wird vorteilhaft bereitgestellt, indem an der Dollenwelle, insbesondere jeweils an dem den Griffen gegenüberliegenden Ende der Dollenwelle, jeweils ein Hebel angeordnet ist, der mit den Griffen um die Achse der jeweiligen Dollenwelle verschwenkbar ist, wobei jeweils an dem Hebel ein Zugelement, insbesondere eine Zugstange, angeordnet ist mit dem die Drehbewegung von den Griffen auf den Antriebmechanismus übertragbar ist. Durch die Kraftübertragung von den Griffen über die Dollenwelle an den Antriebsmechanismus mittels eines Hebels und dem Zugelement wird vorteilhaft die Rückführung der Griffe unabhängig voneinander verbessert, wobei im Gegensatz zu den aus dem Stand der Technik bekannten Seilzugelementen keine weiteren Elemente zur Rückführung der Zugelemente erforderlich ist.Furthermore, it is advantageously provided that a lever is arranged on the oarlock shaft, in particular at the end of the oarlock shaft opposite the handles, which can be pivoted with the handles about the axis of the respective oarlock shaft, with a pulling element on the lever, in particular a Pull rod, is arranged with which the rotary movement can be transmitted from the handles to the drive mechanism. Due to the power transmission from the handles via the oarlock shaft to the drive mechanism by means of a lever and the pulling element, the return of the handles is advantageously improved independently of one another, whereby, in contrast to the cable pull elements known from the prior art, no further elements are required to return the pulling elements.
Eine vorteilhafte Einleitung der Kräfte bzw. der Leistung von den Dollenwellen und den Zugelementen in den Antriebsmechanismus wird erreicht, indem jeweils an dem der Dollenwelle gegenüberliegenden Ende des jeweiligen Zugelements eine Zuggabel angeordnet ist, wobei mittels der Zuggabel Leistung von den Griffen an den Antriebsmechanismus übertragbar ist.An advantageous introduction of the forces or the power from the oarlock shafts and the pulling elements into the drive mechanism is achieved in that a drawbar is arranged at the end of the respective pulling element opposite the oarlock shaft, with power being transmitted from the handles to the drive mechanism by means of the drawbar .
Eine besonders kompakte Bauweise des Trainingsgeräts wird erreicht, indem die Zuggabeln derart in zwei parallel in einem Abstand übereinander angeordneten Ebenen angeordnet sind, dass die Schwenkbewegung der Zuggabeln in einer projizierenden Ebene einander überschneiden ohne dass sich die Zuggabeln berühren. Durch die Überschneidung der Schwenkbewegungen der Zuggabeln in unterschiedlichen Ebenen können die Abstände der Zuggabeln in seitlicher bzw. in Richtung der Dollenwellen reduziert werden und so eine platzsparende und besonders kompakte Ausbildung des Trainingsgeräts erreicht werden.A particularly compact design of the training device is achieved in that the drawbars are arranged in two planes arranged parallel and spaced one above the other in such a way that the pivoting movement of the drawbars in a projecting Layers overlap each other without the drawbars touching each other. By overlapping the pivoting movements of the drawbars in different planes, the distances between the drawbars in the lateral direction or in the direction of the oarlock shafts can be reduced and a space-saving and particularly compact design of the training device can be achieved.
Eine vorteilhafte Ausbildung des Trainingsgeräts wird bereitgestellt, indem der Antriebsmechanismus zumindest ein Kraftübertragungselement, insbesondere einen Kettentrieb oder einen Riementrieb oder ein Zahnradpaar, aufweist, wobei das Kraftübertragungselement zwischen einer der Dollenwellen und der Bremsvorrichtung derart angeordnet ist, sodass die unterschiedlichen Drehrichtungen der Dollenwellen in eine gemeinsame Drehrichtung umlenkbar sind. So kann die Leistung der unabhängig voneinander drehbaren Griffe einfach an eine einzige Bremsvorrichtung übertragen werden. Da bei der Ruderbewegung die beiden Griffe in Richtung der Brust des Benutzers gezogen werden, entsteht an den beiden Dollenwellen eine Drehbewegung, die jeweils gegenläufig zu der der anderen Dollenwelle ist. Diese Drehbewegung kann durch die Ausbildung des Antriebsmechanismus mit einem Kraftübertragungselementes in eine gemeinsame Drehrichtung umgelenkt werden, wodurch die Leistung der einzelnen Griffe addiert bzw. vereinigt oder summiert wird und dann gemeinsam an die Bremsvorrichtung abgegeben werden kann, wobei jedoch die unabhängige Drehbarkeit der Griffe erhalten bleibt.An advantageous embodiment of the training device is provided in that the drive mechanism has at least one force transmission element, in particular a chain drive or a belt drive or a gear pair, the force transmission element being arranged between one of the oarlock shafts and the braking device so that the different directions of rotation of the oarlock shafts in a common Direction of rotation can be deflected. In this way, the power of the handles, which can be rotated independently of one another, can easily be transferred to a single braking device. Since the two handles are pulled in the direction of the user's chest during the rowing movement, a rotary movement occurs on the two oarlock shafts that is opposite to that of the other shaft oarlock. This rotary movement can be deflected by the design of the drive mechanism with a power transmission element in a common direction of rotation, whereby the performance of the individual handles is added or combined or summed and can then be delivered together to the braking device, but the independent rotation of the handles is retained .
Um die Kraft bzw. Leistung des Benutzers vorteilhaft und direkt und mit geringem Spiel an dem Antriebsmechanismus weiterleiten zu können, kann vorgesehen sein, dass der Antriebsmechanismus einen ersten Kettentrieb oder ersten Riementrieb oder erstes Zahnradpaar aufweist, mit dem die Drehbewegung der ersten Dollenwelle an einen ersten Freilauf übertragbar ist,
- wobei die Drehbewegung der zweiten Dollenwelle über einen zweiten Kettentrieb oder zweiten Riementrieb oder ein zweites Zahnradpaar an einen zweiten Freilauf übertragbar ist,
- wobei der erste Freilauf eine erste Zwischenwelle und der zweite Freilauf eine zweite Zwischenwelle umfasst, und wobei die Drehbewegung der zweiten Zwischenwelle mittels eines Zwischenkettentriebes oder eines Zwischenzahnradpaares oder Zwischenriementriebes an die erste Zwischenwelle übertragbar ist, sodass die Leistung oder Kraft die an den Griffen eingebracht wird an der ersten Zwischenwelle addiert werden kann, und wobei über die erste Zwischenwelle die addierte Leistung, insbesondere über einen weiteren Kettentrieb oder weiteren Riementrieb oder ein weiteres Zahnradpaar, an die Bremsvorrichtung abgebbar ist.
- wherein the rotational movement of the second oarlock shaft can be transmitted to a second freewheel via a second chain drive or second belt drive or a second pair of gears,
- wherein the first freewheel comprises a first intermediate shaft and the second freewheel comprises a second intermediate shaft, and wherein the rotational movement of the second intermediate shaft can be transmitted to the first intermediate shaft by means of an intermediate chain drive or an intermediate gear pair or intermediate belt drive, so that the power or force applied to the handles is transmitted to the first intermediate shaft can be added, and the added power via the first intermediate shaft, in particular via a further chain drive or further belt drive or a further pair of gears, can be delivered to the braking device.
Ein noch authentischeres Rudergefühl wird ermöglicht, indem die Griffe länglich zylinderförmig ausgebildet sind, wobei vorzugsweise die Griffe in ihrer Achse verdrehbar sind und wobei die Griffe einen Anschlag aufweisen mit der die Verdrehung in der Zylinderachse der Griffe begrenzbar ist. Die Verdrehung der Griffe in ihrer Achse ermöglicht eine weitere authentischere Bewegungsabfolge des Ruderers bzw. des Benutzers des Trainingsgerätes, da insbesondere in der Endphase des Ruderschlages das Aufkippen bzw. Eindrehen der Handgelenke und Ruder bzw. Griffe erfolgen kann.An even more authentic rowing feeling is made possible by the handles having an elongated cylindrical shape, the handles preferably being rotatable in their axis and the handles having a stop with which the rotation in the cylinder axis of the handles can be limited. The rotation of the handles in their axis enables a more authentic sequence of movements for the rower or the user of the training device, since the wrists and oars or handles can be tilted up or turned in, respectively, in the final phase of the oar stroke.
Ein direktes Feedback kann dem Benutzer einfach gegeben werden, indem in die Griffe eine Kraftmessvorrichtung integriert ist, mit der die Kraftübertragung über die Griffe an den Antriebsmechanismus messbar ist, wobei die Kraftmessvorrichtung insbesondere eine Anzahl von Dehnmessstreifen umfasst mit denen die Biegeverformung der Griffe messbar ist.Direct feedback can be given to the user simply by integrating a force measuring device into the handles, with which the force transmission via the handles to the drive mechanism can be measured, the force measuring device in particular comprising a number of strain gauges with which the bending deformation of the handles can be measured.
Eine auf- und ab- Bewegung der Griffe ähnlich einem Ruder kann einfach bereitgestellt werden, indem die Griffe in einer Achse normal zur Achse der Dollenwelle, insbesondere an einem Ende der jeweiligen Dollenwelle, verschwenkbar gelagert sind.An up and down movement of the handles similar to a rudder can easily be provided by the handles being pivotably mounted in an axis normal to the axis of the oarlock shaft, in particular at one end of the respective oarlock shaft.
Eine vorteilhafte Ausbildung des Trainingsgeräts wird bereitgestellt, indem die Bremsvorrichtung ein Lüfterrad, Magnet- oder Wirbelstrombremse oder als ein einen elektrischen Strom erzeugendes Element umfasst.An advantageous embodiment of the training device is provided in that the braking device comprises a fan wheel, magnetic or eddy current brake or as an element generating an electrical current.
Bei der Ausbildung der Bremsvorrichtung mit einem Lüfterrad kann der hydrodynamische Widerstand des Wassers einfach durch einen aerodynamischen Widerstand nachgebildet werden, was ein authentisches Rudergefühl beim Benutzer hinterlässt. Die Ausbildung mittels Magnet- oder Wirbelstrombremse oder als elektrisches stromerzeugendes Element erlaubt es den Widerstand bzw. die Bremsleistung variabel zu gestalten wodurch unterschiedliche Trainingsszenarien nachgebildet werden können. Ebenso kann mittels eines stromerzeugenden Elements elektrischer Strom durch die Leistung des Ruderers generiert werden, der wiederum zum Betreiben der Elektronik oder anderer elektrischer Geräte genutzt werden kann.When the braking device is designed with a fan wheel, the hydrodynamic resistance of the water can be simulated simply by means of an aerodynamic resistance, which leaves the user with an authentic rowing feeling. The training by means of a magnetic or eddy current brake or as an electrical current-generating element allows the resistance or the braking power to be designed variably, so that different training scenarios can be simulated. Likewise, by means of an electricity-generating element, electrical current can be generated by the power of the rudder, which in turn can be used to operate the electronics or other electrical devices.
Vorteilhaft kann vorgesehen sein, dass an dem Rahmen zwei Ausleger angeordnet sind, wobei die Dollenwellen jeweils in einem der Ausleger gelagert sind.It can advantageously be provided that two brackets are arranged on the frame, the oarlock shafts each being mounted in one of the brackets.
Um die Eigenschaften eines Ruderboots im Wasser noch besser simulieren zu können, kann vorgesehen sein, dass die Kraftmessvorrichtung derart ausgebildet ist, dass die an den Griffen aufgebrachte Kraft und/oder Lage der Griffe, insbesondere um ihre Achse, einer Auswerteelektronik zugeführt wird und dass der Widerstand der Bremsvorrichtung abhängig von der an den Griffen aufgebrachten Kraft und/oder der Lage der Griffe, insbesondere um ihre Achse, einstellbar ist.In order to be able to simulate the properties of a rowing boat in the water even better, it can be provided that the force measuring device is designed in such a way that the force applied to the handles and / or the position of the handles, in particular about their axis, is fed to evaluation electronics and that the Resistance of the braking device is adjustable depending on the force applied to the handles and / or the position of the handles, in particular about their axis.
Eine bevorzugte Ausführungsform wird bereitgestellt, indem die Dollenwellen jeweils an einem Ende eine Dolle aufweisen, an denen jeweils die Griffe gelagert sind.A preferred embodiment is provided in that the oarlock shafts each have a oarlock at one end, on which the handles are mounted.
Weitere Vorteile und Ausgestaltungen der Erfindung ergeben sich aus der Beschreibung und den beiliegenden Zeichnungen.Further advantages and embodiments of the invention emerge from the description and the accompanying drawings.
Die Erfindung ist im Folgenden anhand von besonders vorteilhaften, aber nicht einschränkend zu verstehenden Ausführungsbeispielen in den Zeichnungen schematisch dargestellt und wird unter Bezugnahme auf die Zeichnungen beispielhaft beschrieben:
In
Die Dollenwellen 3a, 3b weisen an den den Griffen 7a, 7b gegenüberliegenden Enden jeweils einen Hebel 12a, 12b auf, der mit den Griffen 7a, 7b um die Achse der jeweiligen Dollenwelle 3a, 3b verschwenkbar bzw. verdrehbar ist. An dem Ende des Hebels 12a, 12b ist jeweils ein Zugelement, bei dieser Ausführungsform eine Zugstange 13a, 13b, angeordnet, das die Kraft bzw. Leistung, die an den Griffen 7a, 7b durch den Ruderer eingeleitet wird, an den Antriebsmechanismus 4 überträgt. Der Antriebsmechanismus 4 weist weiters eine Bremsvorrichtung 6 auf, an der die Leistung bzw. Kraft, die an den Griffen 7a, 7b durch den Benutzer an das Trainingsgerät 10 abgegeben wird, aus dem Antriebsmechanismus 4 abgeführt wird und so ein Widerstand, Drehmoment oder ein Kraftaufwand von dem Benutzer aufzubringen ist, um die Griffe 7a, 7b um die Achse der Dollenwellen 3a, 3b zu verschwenken. Während des Trainings durch einen Ruderer wird bei jedem Schlag, also bei jeder Verdrehung der Griffe 7a, 7b der Rollsitz 1 zurückgerollt, also vom Stemmbrett 8 entfernt und die Griffe 7a, 7b in Rollrichtung des Rollsitzes 1 verdreht. Die an den Griffen 7a, 7b eingeleitete Kraft wird über die Dollenwellen 3a, 3b und das Zugelement bzw. bei dieser Ausführungsform die Zugstangen 13a, 13b an den Antriebsmechanismus 4 weitergegeben, wobei dieser die Leistung bzw. Kraft dann an die Bremsvorrichtung 6 abgibt. Der Antriebsmechanismus 4 weist weiters einen Freilauf 11 auf, der zwischen der Dollenwelle und der Bremsvorrichtung 6 angeordnet ist. Durch den Freilauf 11 ist es möglich, die Griffe 7a, 7b unabhängig voneinander um die jeweilige Dollenwelle 3a, 3b zu verschwenken, wobei bei Verdrehung der Griffe 7a, 7b in eine erste Richtung um die Achse der jeweiligen Dollenwelle 3a, 3b, also in Richtung der Rückwärtsbewegung des Rollensitzes 1, der Freilauf 11 die Kraftübertragung bzw. Leistungsübertragung an die Bremsvorrichtung 6 zulässt und bei Betätigung der Griffe 7a, 7b in einer der ersten Richtung entgegengesetzten zweiten Richtung um die Achse der jeweiligen Dollenwellen 3a, 3b, also in Richtung der Vorwärtsbewegung des Rollsitzes 1, der Freilauf 11 die Bewegung freigibt und so die Griffe 7a, 7b ohne Kraftaufwand bzw. ohne, dass Leistung an die Bremsvorrichtung 6 zu- oder abgeführt wird, rückführbar sind.The
In
In
Optional kann der Antriebsmechanismus 4, auch wie in
Optional kann die Bremsvorrichtung 6, auch wie in
Die Bremsvorrichtung 6 kann optional wie in
Alternativ kann auch vorgesehen sein, dass die Bremsvorrichtung 6 ein anderes aus dem Stand der Technik bekanntes elektrischen Strom erzeugendes Element 25, wie etwa einen Generator, umfasst, das die der Bremsvorrichtung 6 zugeführten Leistung des Ruderers bzw. Benutzers in elektrischen Strom umwandelt. Der erzeugte Strom, kann dann für den Betrieb des Trainingsgerätes 10 verwendet werden und der Widerstand der Bremsvorrichtung 6 je nach Schlagzahl, Kraft an den Griffen 7a, 7b und Lage der Griffe 7a, 7b verändert werden.The
Alternatively, it can also be provided that the
Optional kann vorgesehen sein, dass das Stemmbrett 8 entlang des Rahmens 5 beispielsweise mittels eines Spannmechanismus befestigt ist, wodurch die Distanz des Stemmbretts 8 zur Führung 2 bzw. zum Rollsitz 1 an den Benutzer angepasst werden kann.Optionally, it can be provided that the
In
Alternativ können die Dollenwellen 3a, 3b, wie beispielhaft für einen Griff 7a in
Optional kann vorgesehen sein, dass das Trainingsgerät 10 eine Kraftmessvorrichtung umfasst, wobei diese vorzugsweise in die Griffe 7a, 7b integriert ist. Mit der Kraftmessvorrichtung kann die Kraftübertragung der an den Griffen 7a, 7b an den Antriebsmechanismus 4 abgegebenen Kraft bzw. Leistung gemessen werden, wobei die Kraftmessvorrichtung vorzugsweise durch eine Anzahl von Dehnmessstreifen, die an den Griffen 7a, 7b angeordnet sind, ausgebildet sein kann. Weiters kann optional vorgesehen sein dass der Winkel der Verdrehung der Griffe 7a, 7b um ihre Achse, beispielsweise mittels eines Winklegebers messbar ist und einer Auswerteelektronik zugeführt wird. Durch die Anordnung der Dehnmessstreifen an den Griffen 7a, 7b kann insbesondere die Biegeverformung der Griffe 7a, 7b gemessen werden und so die Krafteinleitung an den Griffen 7a, 7b jeweils getrennt voneinander erfasst werden und beispielsweise unterschiedliche Ruderbewegungen der einzelnen Arme an den Benutzer des Trainingsgerätes 10 rückgeführt bzw. gemeldet werden.It can optionally be provided that the
Weiters kann optional vorgesehen sein, dass die durch die Kraftmessvorrichtung erfasste Kraft, die durch den Benutzer an den Griffen 7a, 7b aufgebracht wird und/oder die Lage der Griffe, um die jeweiligen Dollenwellen 3a, 3b und/oder die Lage der Griffe 7a, 7b um ihre Achse an die Auswerteelektronik weitergegeben werden. Mittels der Auswerteelektronik kann dann der Widerstand der Bremsvorrichtung 6 an die gemessenen Parameter angepasst werden. So kann beispielsweise der erhöhte hydrodynamische Widerstand des Wassers bei erhöhter Bootsgeschwindigkeit oder Schlagzahl angepasst werden und so ein noch realistischer Widerstand in der Bremsvorrichtung 6 simuliert werden.Furthermore, it can optionally be provided that the force detected by the force measuring device, which is applied by the user to the
Wird auf das Ruder Kraft ausgeübt näherungsweise definiert werden:
Unter Einwirkung der Kraft an den Rudern ändert dich die Bootsgeschwindigkeit :
Da bei Rückführung der Griffe 7a, 7b in die Ausgangslage durch den Freilauf 11 bzw. die Freiläufe 11a, 11b keine Kraft an den Griffen 7a, 7b aufgebraucht wird, wird die Geschwindigkeit des Bootes reduziert bzw. diese verzögert, da der zweite Term der Gleichung (2) in dieser Phase null ist. Werden die Gleichung (1) und (2) in der Auswerteeinheit berücksichtigt, kann die erforderliche Kraft an den Griffen 7a, 7b bzw. die Leistung, die die Bremsvorrichtung abführt, daran angepasst werden und ein noch realistischeres Bootsgefühl mit dem Trainingsgerät 10 simuliert werden.Since when the
Alternativ zu den beschriebenen Kettentrieben 14a, 14b, 27 können auch andere Kraftübertragungselemente beispielsweise Riementriebe oder Zahnradpaare oder andere aus dem Stand der Technik bekannte Getriebe vorgesehen sein.As an alternative to the chain drives 14a, 14b, 27 described, other force transmission elements, for example belt drives or gear wheel pairs or other gears known from the prior art, can also be provided.
Optimal können aus dem Stand der Technik bekannte andere Bremsvorrichtungen 6 für die Leistungsentnahme aus der Antriebsvorrichtung 4 vorgesehen sein, wobei diese beispielsweise Schwungscheiben, mechanische Bremsen oder anderes umfassen können.
Claims (11)
- Training device (10) for simulating rowing training comprising a guide (2) arranged on a frame (5),- a sliding seat (1) which can be moved linearly back and forth on the guide (2),- a footrest (8), which is arranged in the region of one end of the guide (2),- two independently rotatable handles (7a, 7b), which are each rotatably mounted on a rowlock shaft (3a, 3b), wherein the rowlock shafts (3a, 3b) are arranged respectively relative to the guide (2) on one side of the guide (2) at a distance, in particular normal to the direction of rotation of the guide (2) and/or the contact surface of the frame (5), and- a drive mechanism (4) to which each rowlock shaft (3a, 3b) is connected in a power-transmitting manner,wherein the drive mechanism (4) has a transmission and a braking device (6),
wherein the drive mechanism (4) is configured such that when force is applied to the handles (7a, 7b) power can be transferred via the drive mechanism (4) to the braking device (6),
wherein the drive mechanism (4) has at least one freewheel (11), wherein the freewheel (11) is arranged between the rowlock shafts (3a, 3b) and the braking device (6) such that the handles (7a, 7b) can be pivoted independently of one another about the respective rowlock shaft (3a, 3b) and on actuating the handles (7a, 7b) power can be discharged to the braking device (6) in a first direction about the axis of the respective rowlock shafts (3a, 3b) and on actuating the handles (7a, 7b) in a second direction opposite the first direction about the axis of the respective rowlock shafts (3a, 3b) the handles (7a, 7b) can be returned without power being supplied to or discharged from the braking device (6), characterised in that
a lever (12a, 12b) is arranged respectively on the rowlock shaft, in particular at the end of the rowlock shaft (3a, 3b) opposite the handles (7a, 7b), which lever can be pivoted with the handles (7a, 7b) about the axis of the respective rowlock shaft (3a, 3b), wherein a pulling element, in particular a pull rod (13a, 13b) is arranged on each lever (12a, 12b) with which the rotational movement of the handles (7a, 7b) can be transmitted to the drive mechanism (4), and
a drawbar (18a, 18b) is arranged respectively at the end of the respective pulling element opposite the rowlock shaft (3a, 3b), wherein power from the handles (7a, 7b) can be transmitted to the drive mechanism (4) by means of the drawbars (18a, 18b). - Training device (10) according to claim 1, characterised in that the drawbars (18a, 18b) are arranged in two parallel planes spaced apart above one another such that the pivotal movements of the drawbars (13a, 13b) in a projecting plane overlap one another without the drawbars (13a, 13b) touching.
- Training device (10) according to any of the preceding claims, characterised in that the drive mechanism (4) has at least one power transmission element, in particular a chain drive (14) or a belt drive or a gear pair, wherein the power transmission element is arranged between one of the rowlock shafts (3a, 3b) and the braking device (6) such that the different directions of rotation of the rowlock shafts (3a, 3b) can be guided in a common direction of rotation.
- Training device (10) according to any of the preceding claims, characterised in that the drive mechanism (4) has a first chain drive (14a) or first belt drive or first gear pair, by which the rotational movement of the first rowlock shaft (3a) can be transmitted to a first freewheel (11a),- wherein the rotational movement of the second rowlock shaft (3b) can be transmitted to a second freewheel (11b) via a second chain drive (14b) or second belt drive or a second gear pair,- wherein the first freewheel (11a) comprises a first intermediate shaft (15a) and the second freewheel (11b) comprises a second intermediate shaft (15b), and wherein the rotational movement of the second intermediate shaft (15b) can be transmitted to the first intermediate shaft (15a) by means of an intermediate chain drive or an intermediate gear pair or an intermediate belt drive, so that the power or force input at the handles (7a, 7b) can be added at the first intermediate shaft (15a), and wherein the added power can be delivered to the braking device (6) via the first intermediate shaft (15a), in particular via a further chain drive (27) or further belt drive or a further gear pair.
- Training device (10) according to any of the preceding claims, characterised in that the handles (7a, 7b) are an elongated cylindrical shape, wherein preferably the handles (7a, 7b) are rotatable in their axis and wherein the handles have a stop (21) by which the rotation in the cylinder axis of the handles (7a, 7b) can be limited.
- Training device (10) according to any of the preceding claims, characterised in that a force measuring device is integrated into the handles (7a, 7b), by which the force transmission through the handles (7a, 7b) to the drive mechanism (4) and/or the angle of rotation of the handles (7a,7b) about their axis can be measured, wherein the force measuring device in particular comprises a number of strain gauges by which the bending deformation of the handles (7a, 7b) can be measured.
- Training device (10) according to any of the preceding claims, characterised in that the handles (7a, 7b) are pivotably mounted in an axis normal to the axis of the rowlock shaft (3a, 3b), in particular at one end of the respective rowlock shaft (3a, 3b).
- Training device (10) according to any of the preceding claims, characterised in that the braking device (6) comprises a fan wheel (23), magnetic or eddy current brake (24) or an element (25) generating an electric current.
- Training device (10) according to any of the preceding claims, characterised in that two extension arm (16a, 16b) are arranged on the frame (5), wherein the rowlock shafts (3a, 3b) are each mounted in one of the extension arm (16a, 16b).
- Training device (10) according to any of the preceding claims, characterised in that the rowlock shafts (3a, 3b) each have a rowlock (30) at one end, on which the handles (7a, 7b) are mounted respectively.
- Training device (10) according to any of claims 6 to 10, characterised in that the force measuring device is configured such that the force applied to the handles (7a, 7b) and/or position of the handles (7a, 7b), in particular about its axis, is supplied to an electronic evaluation unit and the resistance of the braking device (6) can be adjusted as a function of the force applied to the handles (7a, 7b) and/or the position of the handles (7a, 7b), in particular about their axis.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50488/2017A AT520045B1 (en) | 2017-06-12 | 2017-06-12 | Exercise machine |
PCT/AT2018/060121 WO2018227224A1 (en) | 2017-06-12 | 2018-06-12 | Training apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3638382A1 EP3638382A1 (en) | 2020-04-22 |
EP3638382B1 true EP3638382B1 (en) | 2021-07-28 |
Family
ID=62816272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18737139.8A Active EP3638382B1 (en) | 2017-06-12 | 2018-06-12 | Training apparatus |
Country Status (4)
Country | Link |
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US (1) | US11298584B2 (en) |
EP (1) | EP3638382B1 (en) |
AT (1) | AT520045B1 (en) |
WO (1) | WO2018227224A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020018955A2 (en) * | 2018-07-20 | 2020-01-23 | Nautilus, Inc. | Rowing machine |
US20220257995A1 (en) * | 2021-02-12 | 2022-08-18 | Daniel E. Goldberg | Fitness and Strength Building Machine with Flywheel/Fan Resistance |
CN114504789B (en) * | 2022-03-07 | 2023-09-15 | 山东宝德龙健身器材有限公司 | Simulation body-building device based on internet of things |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US3266801A (en) * | 1964-10-26 | 1966-08-16 | Bio Dynamics Inc | Fluid operated rowing machine |
US3528653A (en) * | 1967-10-13 | 1970-09-15 | Nissen Corp | Rowing machine and brake unit therefor |
DE1703771A1 (en) * | 1968-07-08 | 1972-03-09 | Rolf Dr Seybold | Rowing training device |
US4984986A (en) * | 1989-11-07 | 1991-01-15 | Vohnout Vincent J | Apparatus and method for training oarsmen |
US5092581A (en) * | 1990-07-02 | 1992-03-03 | Michael Koz | Rowing exercise apparatus |
US5779600A (en) | 1995-12-19 | 1998-07-14 | Pape; Leslie | Rowing simulator |
EP1697009A4 (en) * | 2003-09-15 | 2009-03-04 | Matthew Duncan Roach | Rowing simulation machine |
CN2868354Y (en) | 2005-12-16 | 2007-02-14 | 刘虎光 | Boat rowing device |
US7828706B2 (en) * | 2007-05-04 | 2010-11-09 | Medina Rafael R | Bilaterally actuated sculling trainer |
CA2729935A1 (en) * | 2007-05-11 | 2008-11-20 | Michael D'eredita | Simulated rowing machine |
US7833136B2 (en) * | 2008-01-12 | 2010-11-16 | Bell Edward J | Rowing trainer |
US8192332B2 (en) | 2009-01-23 | 2012-06-05 | Blackstone Automation, LLC | Energy absorbing suspension equipment (EASE) for rowing machines |
US7862484B1 (en) * | 2009-11-03 | 2011-01-04 | Coffey Calvin T | Folding exercise rowing machine |
CA2811911A1 (en) | 2012-03-29 | 2013-09-29 | Basix International Inc. | Rowing simulator |
-
2017
- 2017-06-12 AT ATA50488/2017A patent/AT520045B1/en active
-
2018
- 2018-06-12 US US16/621,980 patent/US11298584B2/en active Active
- 2018-06-12 WO PCT/AT2018/060121 patent/WO2018227224A1/en unknown
- 2018-06-12 EP EP18737139.8A patent/EP3638382B1/en active Active
Also Published As
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WO2018227224A1 (en) | 2018-12-20 |
US20210283460A1 (en) | 2021-09-16 |
EP3638382A1 (en) | 2020-04-22 |
AT520045B1 (en) | 2020-07-15 |
AT520045A1 (en) | 2018-12-15 |
US11298584B2 (en) | 2022-04-12 |
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