CN212998294U

CN212998294U - Resistance-adjustable explosive power rowing machine

Info

Publication number: CN212998294U
Application number: CN202022089956.7U
Authority: CN
Inventors: 谢远志; 黄飞飞; 徐林建; 季翠娴; 王佳玲; 石优国; 蒋培均
Original assignee: Nantong Ironmaster Sporting Industrial Co Ltd
Current assignee: Nantong Ironmaster Sporting Industrial Co Ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-04-20
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to an adjustable resistance explosive power rowing machine, including the body frame, be equipped with the pole setting on the body frame, connect the upper pulley in the pole setting, around there being the stay cord on the upper pulley, the one end of stay cord is connected with the pull rod through pressing from both sides the rope ware, the lower pulley that can adjust from top to bottom is walked around to the other end of stay cord again on the rope ware, the rope ware is the cone, the rope ware is connected with the flywheel, has worn the axle in the rope ware, the body frame is passed on the top of axle and is connected with the hand wheel, epaxial encoder that still is equipped with, and the encoder is used for measuring the angular acceleration of rope ware is equipped with the flywheel protection casing. The slide rail is connected with the main frame, and a seat capable of moving back and forth is installed on the slide rail. The utility model discloses under the condition of not changing the flywheel, through changing effort moment, for the user provides different loads, adapt to different personnel's user demand.

Description

Resistance-adjustable explosive power rowing machine

Technical Field

The utility model relates to a fitness training device, in particular to a resistance-adjustable explosive power rowing device.

Background

The existing rowing machine generally uses a liquid medium or wind as a load resistance source, the load is adjusted by changing the flow of the liquid and the flow rate of the wind, and no load exists when the pull rod retracts. However, the purpose of exercise cannot be well achieved in the practical process.

Disclosure of Invention

An object of the utility model is to provide an adjustable resistance explosive power rowing machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable resistance explosive power rowing machine, is equipped with the pole setting on the body frame, connects the upper pulley in the pole setting, around having the stay cord on the upper pulley, and the one end of stay cord is connected with the pull rod through pressing from both sides the rope ware, and the lower pulley that can adjust from top to bottom is walked around to the other end of stay cord again on the rope ware, and the rope ware is the cone, and the rope ware is connected with the flywheel, has worn the axle in the rope ware, and the body frame is passed on the top of axle and is connected with the hand wheel, epaxial encoder that still is equipped with, and the encoder is used for measuring the angular acceleration of rope ware is. The slide rail is connected with the main frame, and a seat capable of moving back and forth is installed on the slide rail.

The utility model discloses a further improvement lies in: the upright stanchion is provided with a fixing ring, and the upper pulley is fixed on the fixing ring through a hasp.

The utility model discloses a further improvement lies in: the lower pulley is fixed on one of the gears of the gear adjusting device, and the gear adjusting device is provided with an inductor which is used for measuring the radius of the acting force.

The utility model discloses a further improvement lies in: the main frame is also provided with an instrument which is used for displaying technical parameters required during training.

The utility model discloses a further improvement lies in: torque generated by the user: tau is equal to i.alpha,

user tension:

wherein τ: torsion moment generated by a user, I: flywheel moment of inertia, F: user tension, a: angular acceleration of the rope winder, r: the radius of force.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses under the condition of not changing the flywheel, through changing effort moment, for the user provides different loads, adapt to different personnel's user demand.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the resistance adjustment of the present invention;

FIG. 3 is a schematic diagram of the resistance adjustment of the present invention;

FIG. 4 is a schematic diagram of the resistance adjustment of the present invention;

reference numbers in the figures: the device comprises a main frame 1, a vertical rod 2, a lower pulley 3, an upper pulley 4, a pull rope 5, a rope clamp 6, a pull rod 7, a hand wheel 8, a rope winder 9, an encoder 10, an axis 11, a slide rail 12, a seat 13, a rear footing 14, an instrument 15, a gear 16 adjusting device 17, a fixing ring 17, a flywheel 18 and a flywheel shield 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1, the embodiment provides a technical solution: the utility model provides an adjustable resistance explosive force rowing machine, including body frame 1, be equipped with pole setting 2 on the body frame 1, upward connect pulley 4 in the pole setting 2, it has stay cord 5 to wind on the upper pulley 4, the one end of stay cord 5 is connected with pull rod 7 through pressing from both sides rope ware 6, the lower pulley 3 that can adjust from top to bottom is walked around to the other end of stay cord 5 twines on rope winder 9 again, rope winder 9 is the cone, rope winder 9 is connected with flywheel 18, it has axle 11 to wear in the rope winder 9, body frame 1 is passed on the top of axle 11 is connected with hand wheel 8, still be equipped with encoder 10 on axle 11, encoder 10 is used for measuring the angular acceleration of rope winder 9, be equipped with flywheel protection casing 19 on the body frame 1, body frame 1 links to each other with slide rail 12 one end, the slide rail 12 other end links to each other with back footing 14, seat 13 is installed on.

The upright stanchion 2 is provided with a fixing ring 14, and the upper pulley 4 is fixed on the fixing ring 14 through a hasp.

The lower pulley 3 is fixed on one gear of the gear adjusting device 16, and the gear adjusting device 16 is provided with a sensor for measuring the acting force radius.

The main frame 1 is also provided with an instrument 15, and the instrument 15 is used for displaying technical parameters required during training.

As shown in fig. 2 to 4, the user generated torque: τ ═ I · a, user tension:

wherein τ: torsion moment generated by a user, I: moment of inertia of flywheel 18, F: user tension, a: angular acceleration of the rope winder 9, r: the radius of force. The position of the lower pulley 3 is adjusted under the condition that the flywheel 18 is not changed, so that the use requirements of different trainers are met, namely the pulling force of a user is larger as the lower pulley 3 moves upwards. Wherein the moment of inertia I of the flywheel 18 is a fixed value, the angular acceleration a of the rope winder 9 is measured by the encoder 10, the acting force radius r is measured by the inductor on the lower pulley 3, and the acting force radius r is displayed by the instrument 15Training data of the user.

Before using, the user adjusts the length of the pull rope 5 according to self training requirements through the rope clamp 6, adjusts the lower pulley 3 to a proper training position, rotates the hand wheel 8, winds the pull rope 5 onto the rope winder 9, and enters a training state. The pull rod 7 is pulled, the rope winder 9 drives the flywheel 18 to rotate, after the pull rope 5 is completely pulled out of the rope winder 9, the pull rod 7 is tensioned until the flywheel 18 stops rotating, one-time training is completed, and technical parameters required during the training can be displayed on the instrument 15.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

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

Claims

1. The utility model provides an adjustable resistance explosive power rowing machine, includes body frame (1), its characterized in that: the main frame (1) is provided with an upright rod (2), the upright rod (2) is connected with an upper connecting pulley (4), the upper pulley (4) is wound with a pull rope (5), one end of the pull rope (5) is connected with a pull rod (7) through a rope clamping device (6), the other end of the pull rope (5) is wound around a lower pulley (3) which can be adjusted from top to bottom and then is wound on a rope winding device (9), the rope winding device (9) is a cone, the rope winding device (9) is connected with a flywheel (18), a shaft (11) is penetrated in the rope winding device (9), the top end of the shaft (11) is penetrated through the main frame (1) and is connected with a hand wheel (8), the shaft (11) is also provided with an encoder (10), the encoder (10) is used for measuring the angular acceleration of the rope winding device (9), the main frame (1) is provided with a flywheel protective cover (19), and the main frame (1) is connected with one end of a sliding rail (12, the other end of the sliding rail (12) is connected with a rear bottom foot (14), and a seat (13) is installed on the sliding rail (12).

2. The adjustable resistance explosive rowing machine of claim 1, wherein: be equipped with solid fixed ring (17) on pole setting (2), go up pulley (4) and fix on solid fixed ring (17) through the hasp.

3. The adjustable resistance explosive rowing machine of claim 1, wherein: the lower pulley (3) is fixed on one gear of the gear adjusting device (16), and an inductor is arranged on the gear adjusting device (16) and used for measuring the radius of an acting force.

4. The adjustable resistance explosive rowing machine of claim 1, wherein: still be equipped with instrument (15) on body frame (1), instrument (15) are used for showing required technical parameter when training.

5. The adjustable resistance explosive rowing machine of claim 1, wherein:

torque generated by the user: tau is equal to i.alpha,

user tension:

wherein τ: torsion moment generated by a user, I: flywheel (18) moment of inertia, F: user tension, a: angular acceleration of the rope winder (9), r: the radius of force.