CN111870868A

CN111870868A - Adjustable resistance explosive force trainer

Info

Publication number: CN111870868A
Application number: CN202010812603.7A
Authority: CN
Inventors: 黄飞飞; 徐林建; 季翠娴; 王佳玲; 石优国; 谢远志; 蒋培均; 施晓萍
Original assignee: Nantong Ironmaster Sporting Industrial Co Ltd
Current assignee: Nantong Ironmaster Sporting Industrial Co Ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2020-11-03
Anticipated expiration: 2040-08-13
Also published as: CN111870868B

Abstract

The invention relates to an adjustable resistance explosive force trainer which comprises a main frame, wherein an upright rod is arranged on the main frame, an upper pulley capable of being adjusted up and down is connected to the upright rod, a pull rope is wound on the upper pulley, one end of the pull rope is connected with a handle through a rope clamping device, the other end of the pull rope is wound on a rope winder after passing through a lower pulley capable of being adjusted up and down, the rope winder is a cone and is connected with a flywheel, a shaft penetrates through the rope winder, the top end of the shaft penetrates through the main frame and is connected with a hand wheel, an encoder is further arranged on the shaft and used for measuring the angular acceleration of the rope winder, and a flywheel protective cover is arranged on the main frame. The invention provides different loads for users by changing the moment of acting force without replacing the flywheel, thereby adapting to the use requirements of different personnel.

Description

Adjustable resistance explosive force trainer

Technical Field

The invention relates to a body-building trainer, in particular to an adjustable resistance explosive force trainer.

Background

The existing inertia force trainer uses a transmission shaft with a flywheel driven by a pull rope to rotate as a load, and the load is adjusted by changing the rotational inertia of the flywheel (usually, the size or the weight of the flywheel). However, because the flywheel rotates at a high speed in the process of movement, the flywheel is covered by the housing in design, and the replacement of the flywheel is troublesome.

Disclosure of Invention

The invention aims to provide an adjustable resistance explosive force trainer to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an adjustable resistance explosive force training device, including the body frame, be equipped with the pole setting on the body frame, be connected with the upper pulley that can adjust from top to bottom in the pole setting, it has the stay cord to wind on the upper pulley, the one end of stay cord is connected with the handle 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 is twined on the rope winder again, the rope winder is the cone, the rope winder is connected with the flywheel, it has the axle to wear in the rope winder, the body frame is passed on the top of axle and is connected with the hand wheel, epaxial encoder still is equipped with, the encoder is used for measuring the angular.

The invention is further improved in that: the upright stanchion is provided with a plurality of fixed rings which are arranged up and down, and the upper pulley is fixed on one of the fixed rings through a hasp.

The invention is further improved in that: 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 invention is further improved in that: the main frame is also provided with an instrument which is used for displaying technical parameters required during training.

The invention is further improved in that: 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, α: angular acceleration of the rope winder, r: the radius of force.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides different loads for users by changing the moment of acting force without replacing the flywheel, thereby adapting to the use requirements of different personnel.

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, an upper pulley 3, a pull rope 4, a rope clamp 5, a handle 6, a lower pulley 7, a rope winder 8, a flywheel 9, a shaft 10, a hand wheel 11, an encoder 12, a flywheel protective cover 13, a fixing ring 14, a gear adjusting device 15 and an instrument 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 embodiments with reference to the attached drawings.

Referring to fig. 1, the embodiment provides a technical solution: the utility model provides an adjustable resistance explosive force training ware, including body frame 1, be equipped with pole setting 2 on the body frame 1, be connected with the upper pulley 3 that can adjust from top to bottom on the pole setting 2, it has stay cord 4 to wind on the upper pulley 3, the one end of stay cord 4 is connected with handle 6 through rope clamping device 5, the lower pulley 7 that can adjust from top to bottom is walked around to the other end of stay cord 4 twines on rope winding device 8 again, rope winding device 8 is the cone, rope winding device 8 is connected with flywheel 9, shaft 10 has been worn in the rope winding device 8, body frame 1 is connected with hand wheel 11 is passed on the top of shaft 10, still be equipped with encoder 12 on the shaft 10, encoder 12 is used for measuring the angular acceleration of rope winding device 8, be equipped with flywheel protection casing 13 on the.

The upright 2 is provided with a plurality of fixing rings 14 which are arranged up and down, and the upper pulley 3 is fixed on one fixing ring 14 through a hasp.

The lower pulley 7 is fixed on one gear of the gear adjusting device 15, and the gear adjusting device 15 is provided with a sensor for measuring the acting force radius.

The main frame 1 is also provided with an instrument 16, and the instrument 16 is used for displaying technical parameters required during training.

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

wherein τ: torsion moment generated by a user, I: moment of inertia of flywheel 9, F: user tension, α: angular acceleration of the rope winder 8, r: the radius of force. Under the condition that the flywheel 9 is not changed, the use requirements of different trainers are met by adjusting the position of the lower pulley 7, namely, the pulling force of a user is larger as the lower pulley 7 moves upwards. The moment of inertia i of the flywheel 9 is a fixed value, the angular acceleration a of the rope winder 8 is measured by the encoder 12, the acting force radius r is measured by the sensor on the lower pulley 7, and the training data of the user is displayed by the instrument 16.

Before using, the user adjusts the length of the stay cord 4 according to self training requirement through the cord gripper 5, adjusts the lower pulley 7 to a proper training position, rotates the hand wheel 11, winds the stay cord 4 onto the cord winder 8, and enters a training state. The pull handle 6 is pulled, the rope winder 8 drives the flywheel 9 to rotate, after the pull rope 4 is completely pulled out of the rope winder 8, the pull handle 6 is tensioned until the flywheel 9 stops rotating, one-time training is completed, and technical parameters required during the training can be displayed on the instrument 16.

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 force training device, includes body frame (1), its characterized in that: be equipped with pole setting (2) on body frame (1), be connected with upper pulley (3) that can adjust from top to bottom on pole setting (2), go up pulley (3) and go up around there being stay cord (4), the one end of stay cord (4) is connected with handle (6) through rope clamping device (5), the other end of stay cord (4) is walked around lower pulley (7) that can adjust from top to bottom and is twined on rope winding device (8) again, rope winding device (8) are the cone, rope winding device (8) are connected with flywheel (9), shaft (10) have been worn in rope winding device (8), the top of shaft (10) is passed body frame (1) is connected with hand wheel (11), still be equipped with encoder (12) on shaft (10), encoder (12) are used for measuring the angular acceleration of rope winding device (8), be equipped with flywheel protection casing (13) on body frame (1).

2. An adjustable resistance explosive training device according to claim 1, wherein: the vertical rod (2) is provided with a plurality of fixing rings (14) which are arranged up and down, and the upper pulley (3) is fixed on one of the fixing rings (14) through a hasp.

3. An adjustable resistance explosive training device according to claim 1, wherein: the lower pulley (7) is fixed on one of gears of the gear adjusting device (15), an inductor is arranged on the gear adjusting device (15), and the inductor is used for measuring acting force radius.

4. An adjustable resistance explosive training device according to claim 1, wherein: the main frame (1) is further provided with an instrument (16), and the instrument (16) is used for displaying technical parameters required during training.

5. An adjustable resistance explosive training device according to 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 (9) moment of inertia, F: user tension, α: angular acceleration of the rope winder (8), r: the radius of force.