CN111870868B

CN111870868B - Resistance-adjustable explosive force trainer

Info

Publication number: CN111870868B
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: 2024-06-04
Anticipated expiration: 2040-08-13
Also published as: CN111870868A

Abstract

The invention relates to an adjustable resistance explosive force trainer, which comprises a main frame, wherein a vertical rod is arranged on the main frame, an upper pulley capable of being adjusted up and down is connected to the vertical 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 winding device again by bypassing a lower pulley capable of being adjusted up and down, the rope winding device is a cone, the rope winding device is connected with a flywheel, a shaft penetrates through the rope winding device, 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 winding device, and a flywheel protective cover is arranged on the main frame. Under the condition of not replacing the flywheel, the invention provides different loads for users by changing the acting force moment, and adapts to the use requirements of different personnel.

Description

Resistance-adjustable explosive force trainer

Technical Field

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

Background

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

Disclosure of Invention

The invention aims to provide a resistance-adjustable explosive force trainer, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an adjustable resistance explosive force training ware, includes the body frame, is equipped with the pole setting on the body frame, is connected with the last pulley that can adjust from top to bottom in the pole setting, goes up to wind on the pulley and has the stay cord, and the one end of stay cord is connected with the handle through the rope gripper, and the lower pulley that can adjust from top to bottom is walked around to the other end of stay cord on the rope winder again, and the rope winder is the cone, and the rope winder is connected with the flywheel, wears the axle in the rope winder, and the top of axle is passed the body frame and is connected with the hand wheel, still is equipped with the encoder on the axle, and the encoder is used for measuring the angular acceleration of rope winder is equipped with the flywheel protection casing on the body frame.

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

The invention further improves that: the lower pulley is fixed on one of the gear positions of the gear position adjusting device, and the gear position adjusting device is provided with an inductor which is used for measuring the radius of acting force.

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

The invention further improves that: torque produced by the user: τ=i·α,

User tension:

wherein τ: torque produced by the user, i: flywheel moment of inertia, F: user tension, α: angular acceleration of the rope winder, r: force radius.

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

under the condition of not replacing the flywheel, the invention provides different loads for users by changing the acting force moment, and adapts to the use requirements of different personnel.

Drawings

FIG. 1 is a schematic diagram of the structure 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 numerals in the drawings: 1-main frame, 2-pole setting, 3-upper pulley, 4-stay cord, 5-rope holder, 6-handle, 7-lower pulley, 8-rope winder, 9-flywheel, 10-axle, 11-hand wheel, 12-encoder, 13-flywheel protection casing, 14-solid fixed ring, 15-gear adjusting device, 16-instrument.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

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

Referring to fig. 1 for specific structure, the present 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 last pulley 3 that can adjust from top to bottom on the pole setting 2, it has stay cord 4 to wind on the last pulley 3, the one end of stay cord 4 is connected with handle 6 through rope gripper 5, the other end of stay cord 4 winds down pulley 7 that can adjust from top to bottom and twines again on rope winder 8, rope winder 8 is the cone, rope winder 8 is connected with flywheel 9, wear shaft 10 in the rope winder 8, the top of shaft 10 is passed body frame 1 and is connected with hand wheel 11, still be equipped with encoder 12 on the shaft 10, encoder 12 is used for measuring the angular acceleration of rope winder 8, be equipped with flywheel protection casing 13 on the body frame 1.

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 of the fixing rings 14 by a hasp.

The lower pulley 7 is fixed to one of the gear positions of the gear position adjusting device 15, and the gear position adjusting device 15 is provided with an inductor for measuring the radius of the acting force.

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 torque generated by the user: τ=i·α, user pull: Wherein τ: torque produced by the user, i: flywheel 9 moment of inertia, F: user tension, α: angular acceleration of rope winder 8, r: force radius. Under the condition that the flywheel 9 is unchanged, the position of the lower pulley 7 is adjusted to meet the use requirements of different trainers, namely, the higher the lower pulley 7 moves upwards, the higher the tension of a user. Wherein the moment of inertia I of the flywheel 9 is a constant value, the angular acceleration alpha 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 training data of a user is displayed through the instrument 16.

Before use, the user adjusts the length of the stay rope 4 through the rope clamping device 5 according to self training requirements, adjusts the lower pulley 7 to a proper training position, rotates the hand wheel 11, winds the stay rope 4 on the rope winding device 8, and enters a training state. Pulling the handle 6, the rope winder 8 drives the flywheel 9 to rotate, pulling the pull rope 4 out of the rope winder 8, tensioning the handle 6 until the flywheel 9 stops rotating, completing one training, and displaying the required technical parameters on the instrument 16 during the training.

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 exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects 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 … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative 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 in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (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 the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 ware, includes body frame (1), its characterized in that: the device comprises a main frame (1), wherein the main frame (1) is provided with a vertical rod (2), an upper pulley (3) capable of being adjusted up and down is connected to the vertical rod (2), a pull rope (4) is wound on the upper pulley (3), one end of the pull rope (4) is connected with a handle (6) through a rope clamping device (5), the other end of the pull rope (4) bypasses a lower pulley (7) capable of being adjusted up and down and is wound on a rope winding device (8), the rope winding device (8) is a cone, the rope winding device (8) is connected with a flywheel (9), a shaft (10) penetrates through the main frame (8), the top end of the shaft (10) is connected with a hand wheel (11) through the main frame (1), an encoder (12) is further arranged on the shaft (10), the encoder (12) is used for measuring the angular acceleration of the rope winding device (8), the main frame (1) is provided with a flywheel protecting cover (13), the vertical rod (2) is provided with a plurality of fixing rings (14) which are arranged up and down, one of the fixing devices (15) are used for fixing one of the pulleys (7) on one of the gear position adjusting devices through the sensing devices;

torque produced by the user: τ=i·α,

User tension:

Wherein τ: torque produced by the user, i: flywheel (9) moment of inertia, F: user tension, α: angular acceleration of the rope winder (8), r: force radius.

2. The adjustable drag force bursting force trainer according to claim 1, wherein: the main frame (1) is also provided with an instrument (16), and the instrument (16) is used for displaying technical parameters required during training.