Exercise machine

Abstract

The embodiment of the present application discloses an exercise machine, which comprises a frame and two symmetrical layout structures, the layout structure comprising a counterweight structure, three stretchers, three cables and a movable pulley set, the counterweight structure comprising a first movable pulley and a counterweight, the first stretcher being slidably connected to a stand column of the frame; the first cable being connected to an operating end of the first stretcher and a part of the first stretcher; the second stretcher being connected to a part of the frame; the second cable being connected to an operating end of the second stretcher and a part of the frame; the movable pulley set comprising a first pulley and a second pulley; the first cable being operable to pass through the first pulley, the second cable being operable to pass through the first movable pulley and the second pulley; and operating the first stretcher can move the movable pulley set and the first movable pulley and the counterweight attached to the first movable pulley; operating the second stretcher can move the first movable pulley and the counterweight attached to the first movable pulley.

Description

Technical Field

[0001] This application relates to an exercise device. Background Technology

[0002] Multifunctional exercise equipment, through scientific design, can achieve good fitness results in a short time and effectively improve training efficiency. However, in terms of structural design, multifunctional training faces many challenges. Taking fly exercises, rowing exercises, and lat pulldown exercises as examples, these exercises all require the coordination of ropes and multiple pulleys. When multiple training functions are integrated into one device, a structural layout dilemma inevitably arises. This problem directly results in the fact that existing multifunctional training equipment is usually quite large. Utility Model Content

[0003] This application provides an exercise device to solve at least one technical problem in the prior art.

[0004] An exercise device includes: a frame comprising a plurality of uprights and a top beam joined to the top of the uprights and a bottom beam joined to the bottom of the uprights; two arrangement structures symmetrically arranged on the frame, each arrangement structure comprising: a counterweight structure comprising a first movable pulley and a counterweight block attached to the first movable pulley; a first tensioner selectively slidably connected to one of the uprights; a first cable having a first end connected to an operating end of the first tensioner and a second end connected to a portion of the first tensioner; and a second tensioner connected to the frame. A portion of the frame; a second cable, a first end of which is connected to the operating end of the second tensioner and a second end of which is connected to a portion of the frame; and a movable pulley assembly, the movable pulley assembly including a first pulley and a second pulley that move synchronously and are rotatable; wherein the first cable is operably bypassed by the first pulley, and the second cable is operably bypassed by the first movable pulley and the second pulley; and operating the first tensioner causes the movable pulley assembly to move, and causes the first movable pulley and the counterweight attached to the first movable pulley to move; operating the second tensioner causes the first movable pulley and the counterweight attached to the first movable pulley to move.

[0005] In some embodiments, the arrangement structure further includes: a third tensioner connected to a portion of the bottom beam; and a third cable, a first end of which is connected to the operating end of the third tensioner and a second end of which is connected to a second movable pulley; wherein the second cable is also operable to bypass the second movable pulley, and operating the third tensioner causes the second movable pulley to move, and causes the first movable pulley and the counterweight attached to the first movable pulley to move.

[0006] In some implementations, a second cable between the second tensioner and the first movable pulley is tactilely connected to the second movable pulley.

[0007] In some embodiments, the arrangement structure further includes a first set of fixed pulleys for guiding the first cable. The first set of fixed pulleys includes several fixed pulleys and is arranged at the top and bottom of the frame.

[0008] In some embodiments, the first set of fixed pulleys includes a first fixed pulley disposed on the upper side of the first tensioner and a second fixed pulley disposed on the lower side of the first tensioner; the first cable includes a first segment of cable between the first tensioner and the first fixed pulley, and a second segment of cable between the first tensioner and the second fixed pulley; wherein the first segment of cable and the second segment of cable are both parallel to the sliding direction of the first tensioner.

[0009] In some embodiments, the second tensioner is connected to a portion of the top beam; the arrangement structure also includes a second set of fixed pulleys for guiding the second cable, the second set of fixed pulleys comprising a plurality of fixed pulleys, the second set of fixed pulleys being arranged on the top of the frame.

[0010] In some embodiments, the second set of fixed pulleys includes a third fixed pulley and a fourth fixed pulley disposed on both sides of the second movable pulley. The axis of the third fixed pulley and the axis of the fourth fixed pulley are both parallel to the horizontal plane, and their projections in the vertical direction on the horizontal plane intersect.

[0011] In some implementations, in the two symmetrical arrangement structures, the two counterweight structures are arranged in the middle of the frame, and the two first tensioners and the two first cables are arranged on the left and right sides of the frame.

[0012] In some embodiments, a steering pulley group is provided between the movable pulley group and the first movable pulley, the steering pulley group including at least one pulley, the second cable operably bypassing at least one pulley in the steering pulley group, and causing the laying direction of the second cable to change in the horizontal direction.

[0013] In some implementations, the movable pulley block is located between the top beam and the bottom beam and can move in a vertical direction.

[0014] Compared with existing technologies, this application integrates multiple exercise functions and, through a reasonable layout structure, makes the exercise equipment compact, effectively reducing the space occupied. Furthermore, the first tensioner and the first cable have a relatively independent adjustment structure, meaning that adjusting the position of the first tensioner on the column will not affect other structures. Moreover, the two counterweight structures are closer to the center of the crossbeam. This layout allows the exercise equipment to have better stability when the counterweights move vertically. Attached Figure Description

[0015] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. Wherein: Figure 1 This is a schematic diagram of the overall structure of the exercise equipment in the embodiments of this application; Figure 2 for Figure 1 A diagram from another perspective; Figure 3 This is a front view structural diagram of the exercise device in the embodiments of this application; Figure 4 for Figure 3 A cross-sectional view along the AA direction; Figure 5 for Figure 4 A diagram from another perspective; Figure 6 for Figure 4 First three-dimensional schematic diagram; Figure 7 for Figure 4 Second three-dimensional schematic diagram; Figure 8 for Figure 7 A magnified view of a portion of point B in the middle; Figure 9 for Figure 7 A magnified view of a portion of point C in the middle; Figure 10 This is a schematic diagram of the left-side arrangement structure in an embodiment of this application; Figure 11 for Figure 4 A schematic diagram of its usage status.

[0016] Explanation of reference numerals in the attached figures: 10-Frame; 11-First column; 12-Second column; 13-Third column; 14-Fourth column; 15-Top beam; 151-First longitudinal beam; 152-First transverse beam; 153-Second longitudinal beam; 154-Second transverse beam; 16-Bottom beam; 161-Third longitudinal beam; 162-Fourth longitudinal beam; 163-Third transverse beam; 20-First tensioner; 201-Adjusting assembly; 202-First sliding joint assembly; 203-Pivot; 204-Positioning pin; 205-Handle; 301 - First cable; 3011 - First terminal; 3012 - Second terminal; 401 - Second cable; 4011 - First end; 4012 - Second end; 4021 - Connecting post; 4022 - First socket; 50-Second tensioner; 501-Fixed base; 502-Second sliding joint assembly; 503-Pivot; 504-Handle; 601 - Third cable; 6011 - First terminal; 6012 - Second terminal; 70-Third tensioner; 701-Fixed base; 702-Third sliding joint assembly; 704-Handle; 705-Foot pedal; 80-Counterweight structure; 801-Counterweight block; 8011-Guide hole; 8012-Second insertion hole; 8013-Third insertion hole; 802-Guide rod; 803-Locking pin; F1~F9 - Fixed pulleys; MG1 - Movable pulley block; M11, M12 - Pulleys; M2 - First movable pulley; M21 - Pulley; M3 - Second movable pulley; M31 - Pulley; SG - Steering pulley block; S1, S2 - Steering pulleys; FG1, FG2 - Pulley blocks. Detailed Implementation

[0017] The present application will now be described in detail with reference to the accompanying drawings and embodiments. Various examples are provided by way of explanation and not by way of limitation. In fact, those skilled in the art will recognize that modifications and variations can be made to the present application without departing from the scope or spirit thereof. For example, a feature shown or described as part of one embodiment may be used in another embodiment to produce yet another embodiment. Therefore, it is desirable that the present application encompass such modifications and variations that fall within the scope of the appended claims and their equivalents.

[0018] In the description of this application, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and do not require that this application be constructed and operated in a specific orientation, and therefore should not be construed as limiting this application. The terms "connected," "linked," and "set up" used in this application should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; direct connections or indirect connections through intermediate components; wired connections, radio connections, or wireless communication signal connections. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0019] The accompanying drawings illustrate one or more examples of this application. The detailed description uses numerical and alphabetic designations to refer to features in the drawings. Similar or analogous designations in the drawings and description have been used to refer to similar or analogous parts of this application. As used herein, the terms “first,” “second,” and “third,” etc., are used interchangeably to distinguish one component from another and are not intended to indicate the location or importance of individual components.

[0020] According to an embodiment of this application, an exercise device is provided, comprising a frame 10. The frame 10 is composed of multiple elongated tubular components (columns, crossbeams, and longitudinal beams). The elongated tubular components can be made of steel or other robust materials, such as the square steel pipes shown in the accompanying drawings. The elongated tubular components can be detachably assembled into the frame 10 using bolts, screws, pins, or other connectors; of course, they can also be assembled into the frame 10 using riveting, welding, or other methods; no specific limitations are made here. In addition, the elongated tubular components are provided with several through holes, which can be used for assembly, position adjustment, distance adjustment, or to reduce the weight of the elongated tubular components.

[0021] like Figures 1 to 3As shown, the exercise equipment includes a frame 10, which comprises a first column 11, a second column 12, a third column 13, and a fourth column 14 arranged counterclockwise. The first column 11 and the second column 12 are located at the front, and the third column 13 and the fourth column 14 are located at the rear. The four columns are parallel to each other, and sufficient distance is maintained between the front and rear columns. A top beam 15 is connected above the four columns. The top beam 15 includes a first longitudinal beam 151 between the first column 11 and the fourth column 14, a first transverse beam 152 between the first column 11 and the second column 12, a second longitudinal beam 153 between the second column 12 and the third column 13, and a second transverse beam 154 between the third column 13 and the fourth column 14. A bottom beam 16 is connected to the four columns. The bottom beam 16 includes a third longitudinal beam 161 located between the first column 11 and the second column 12, a fourth longitudinal beam 162 located between the second column 12 and the third column 13, and a third transverse beam 163 located between the third column 13 and the fourth column 14. The transverse and longitudinal beams are used to ensure the stability of the frame 10 and the installation of components. The number and position of the transverse and longitudinal beams are not limited.

[0022] like Figure 3 As shown, the definition Figure 3 This is a front view; direction AA represents the left side, and the side opposite to direction AA represents the right side. For example... Figure 4 for Figure 3 Sectional view along the AA direction. Figure 5 , Figure 6 and Figure 9 for Figure 4 The following are schematic diagrams from three other perspectives. The exercise equipment includes two sets of layout structures that are roughly symmetrical from left to right. This embodiment of the application uses the left layout structure as an example for illustration. The left layout structure includes three tensioners 20, 50, and 70, three cables 301, 401, and 601, a counterweight structure 80, and multiple pulleys for guiding the cables. The multiple pulleys include fixed pulleys, movable pulley groups, or pulley groups, wherein the fixed pulleys are rotatably mounted on the frame 10, and the movable pulley groups and / or pulley groups each contain at least one pulley.

[0023] like Figure 5 and Figure 6 As shown, the first tensioner 20 includes an adjusting component 201, a first sliding component 202, and a handle 205. The adjusting component 201 can be selectively adjusted in the vertical direction of the first column 11. The adjusting component 201 is provided with a radially penetrating positioning hole; the first column 11 is provided with a plurality of through holes 111 for positioning. When the adjusting component 201 selects a suitable position, the positioning hole is aligned with the through hole 111 that is closest to the current position, and then the positioning pin 204 is inserted into the aligned positioning hole and through hole 111 to lock the position of the adjusting component 201 on the first column 11.

[0024] The first sliding assembly 202 includes a sliding assembly housing, within which are rotatable pulleys P1 and P2. A first cable 301 passes between pulleys P1 and P2. A first end 3011 of the first cable 301 has a limiting block to restrict the first end 3011 of the first cable 301 to one side of the first sliding assembly 202. A handle 205 engages with the first end 3011 of the first cable 301. The sliding assembly housing and the adjusting assembly 201 are rotatably connected via a pivot 203.

[0025] Please continue reading Figure 5 As shown, the second end 3012 of the first cable 301 exits from the other side of the first sliding assembly 202 and is guided downwards, then passes sequentially around the fixed pulleys F1 and F2 on the bottom beam 16 before being guided upwards. A movable pulley group MG1 is provided between the top beam 15 and the bottom beam 16. The movable pulley group MG1 contains rotatable pulleys M11 and M12, with pulley M11 located below pulley M12. The upward-guided first cable 301 passes around pulley M11 and is guided downwards, then passes around the fixed pulley F3 on the bottom beam 16 before being guided upwards. Pulleys F2 and F3 are two pulleys in the pulley group FG1, and there is an appropriate gap between them to ensure their normal operation. The first cable 301, guided upwards, passes sequentially around the fixed pulleys F4 and F5 on the top beam 15 before being guided downwards, with its second end 3012 anchored to the adjusting assembly 201. From the above arrangement, it can be seen that the first cable 301 between the first tensioner 20 and the fixed pulley F1, and the first cable 301 between the fixed pulley F5 and the first tensioner 20, are both substantially parallel to the first column 11 in the vertical direction. When the adjusting assembly 201 adjusts the position of the first column 11 in the vertical direction, the first end 3011 and the second end 3012 of the first cable 301 move the same distance in the vertical direction, ensuring that the first cable 301 as a whole is not stretched or retracted, and that the tension of the first cable 301 does not change significantly. Furthermore, during the adjustment process, the position of the movable pulley group MG1 remains essentially unchanged; or in other words, adjusting the position of the adjusting assembly 201 does not change the position of the movable pulley group MG1.

[0026] Please see Figure 5 As shown, the second end 4012 of the second cable 401 is anchored to the top beam 15, and the second cable 401 is guided downwards, then around the pulley M12 in the movable pulley block MG1, and then guided upwards. The movable pulley block MG1 floats between the top beam 15 and the bottom beam 16 under the tension of the first cable 301 and the second cable 401 in opposite directions. Please refer to... Figure 6 and Figure 9As shown, the upward-guided second cable 401 passes around the fixed pulley F6 and the steering pulley group SG set on the top beam 15, then passes around the fixed pulley F7 before being guided downwards. The axes of the fixed pulleys F6 and F7 are substantially perpendicular to each other; therefore, the second cable 401 needs the steering pulley group SG to guide it when transitioning from the fixed pulley F6 to the fixed pulley F7. The steering pulley group SG includes rotatable pulleys S1 and S2, with the axes of pulley S1 and S2 parallel to and perpendicular to the axes of the fixed pulleys F6 and F7. Alternatively, the steering pulley group SG may have only one pulley, located at a corner of the frame 10. In this embodiment, after passing the fixed pulley F6, the steering pulley group SG, and the fixed pulley F7, the laying direction of the second cable 401 changes by approximately 90°. In other embodiments, the aforementioned turning angle can be other degrees; no specific limitation is made here.

[0027] Please see Figures 7 to 9 As shown, the downward-guided second cable 401 passes around the pulley M21 in the first movable pulley M2 and then is guided upward. The first movable pulley M2 includes a movable pulley housing and a pulley M21 rotatably disposed within the movable pulley housing. A connecting post 4021 extending vertically is fixedly connected to the lower part of the movable pulley housing. The connecting post 4021 has a plurality of first insertion holes 4022 distributed along its length. The connecting post 4021 can selectively receive one or more counterweights 801 in the counterweight structure 80. The counterweight structure 80 includes a guide rod 802 extending vertically between the top beam 15 and the bottom beam 16. The counterweight 801 has a guide hole 8011 for receiving the guide rod 802, and the counterweight 801 can move vertically under the guidance of the guide rod 802. The counterweight 801 also has a second insertion hole 8012 for receiving the connecting post 4021, and the axes of the second insertion holes 8012 of the plurality of counterweights 801 are aligned. The counterweight 801 also has a third insertion hole 8013, which communicates with the second insertion hole 8012 and the axes of the two insertion holes are perpendicular. When selecting the weight of the counterweight, the connecting post 4021 is inserted into the second insertion holes 8012 of multiple counterweights 801, and the third insertion holes 8013 of multiple counterweights 801 are aligned with the multiple first insertion holes 4022 on the connecting post 4021. After selecting a suitable counterweight weight, the locking pin 803 is inserted into the third insertion hole 8013 and the corresponding first insertion hole 4022 of the selected counterweight 801. One or more selected counterweights 801 can move up and down following the first movable pulley M2.

[0028] See also Figures 6 to 9The second cable 401, guided upwards, passes over the pulley block FG2 located on the top beam 15 and then guides downwards. In this embodiment, the pulley block FG2 includes two fixed pulleys F81 and F82. The second cable 401, guided downwards, passes over pulley M31 in the second movable pulley M3 and then guides upwards again, passing over the fixed pulley F9 located on the top beam 15. The first end 4011 of the second cable 401 is connected to the second tensioner 50 located on the top beam 15. The second tensioner 50 includes a fixed base 501 fixed to the top beam 15 and a second sliding assembly 502 rotatably connected to the fixed base 501 via a pivot 503. The second sliding assembly 502 has the same structure as the first sliding assembly 202, and therefore will not be described again. The second end 4012 of the second cable 401 passes between the two pulleys in the second sliding assembly 502 and engages with the handle 504. The first end 4011 of the second cable 401 is also provided with a limiting block to restrict the first end 4011 of the second cable 401 to one side of the second sliding assembly 502. The second movable pulley M3 includes a housing and a pulley M31 rotatably disposed within the housing. In this embodiment, the second movable pulley M3 is also used to guide the second cable 401 to turn, wherein the axes of the pulley M31, the fixed pulley F82, and the fixed pulley F9 are all parallel to the horizontal plane, the axis of the pulley M31 is perpendicular to the axis of the fixed pulley F82, and the axes of the pulley M31 and the fixed pulley F9 are parallel. In this embodiment, after passing through the fixed pulley F82, pulley M31, and fixed pulley F9, the laying direction of the second cable 401 changes by approximately 90°. In other embodiments, the turning angle can be other degrees, and no specific limitation is made here.

[0029] Additionally, the pulley block FG2 is equipped with fixed pulleys F81 and F82. The function of fixed pulley F82 is to guide the second cable 401 downwards after it passes around F81 and extends horizontally a predetermined distance. This is because the second tensioner 50 and / or the third tensioner 70 are located in the middle of the crossbeam, while the counterweight structure 80 is positioned towards the end of the crossbeam. Fixed pulley F82 allows the second cable 401 to be guided downwards closer to the middle of the crossbeam. In some other embodiments, retaining only fixed pulley F81 and adjusting or adding / removing corresponding pulleys can still achieve the desired result.

[0030] Please see Figure 2 , Figure 4 , Figures 7 to 9As shown, the third tensioner 70 is mounted on the third crossbeam 163 of the base beam 16. The third tensioner 70 includes a fixed base 701 and a third sliding assembly 702 mounted on the fixed base 701. The third sliding assembly 702 has the same structure as the first sliding assembly 202. The first end 6011 of the third cable 601 passes between the two pulleys of the third sliding assembly 702 and engages with the handle 704. The first end 6011 of the third cable 601 also has a limiting block, which functions the same as the limiting block of the first end 3011 of the first cable 301. The second end 6012 of the third cable 601 is guided upward from the other side of the third sliding assembly 702 and anchored to the housing of the second movable pulley M3. The third tensioner 70 is typically used for rowing training; therefore, a foot pedal 705 is mounted on the side of the fixed base 701 facing the handle 504 to allow the exerciser to place their feet during rowing training and to facilitate power generation.

[0031] Please see Figure 10 As shown in the figure, the left layout structure includes three tensioners 20, 50, and 70, three cables 301, 401, and 601 respectively, and multiple pulleys for guiding the cables.

[0032] Please combine Figure 11 When using the first tensioner 20, the second tensioner 50 and the third tensioner 70 correspond to the two fixed ends of the second cable 401 and the third cable 601, respectively, and the second movable pulley M3 corresponds to the fixed-state steering pulley. A pulling force FP1 is applied to the handle 205. When the pulling force FP1 is greater than the resistance provided by the selected counterweight 801, the first cable 301 can be pulled out from the first sliding assembly 202. The movable pulley group MG1 moves downward under the pull of the first cable 301, thereby pulling the second cable 401, causing the first movable pulley M2 to drive the selected counterweight 801 upward. When the handle 205 is slowly released, the pulling force FP1 is less than the resistance provided by the selected counterweight 801. The selected counterweight 801 drives the first movable pulley M2 downward and pulls the second cable 401, causing the movable pulley group MG1 to move upward, thereby pulling the first cable 301, so that the first cable 301 pulled out from the first sliding assembly 202 is retracted. The direction of the applied force FP1 is not specified and is only one example. The directions of the applied forces FP2 and FP3 mentioned below are also examples.

[0033] When using the second tensioner 50, the first tensioner 20 and the first cable 301 constrain the movement of the movable pulley group MG1, making the movable pulley group MG1 equivalent to a fixed pulley. The third tensioner 70 is equivalent to one of the fixed ends of the third cable 601, and the second movable pulley M3 is equivalent to a fixed-state steering pulley. A pulling force FP2 is applied to the handle 504, and when the pulling force FP2 is greater than the resistance provided by the selected counterweight 801, the second cable 401 can be pulled out from the second sliding assembly 502. The first movable pulley M2, pulled by the second cable 401, drives the selected counterweight 801 to move upward. When the handle 504 is slowly released, the pulling force FP2 is less than the resistance provided by the selected counterweight 801. The selected counterweight 801 drives the first movable pulley M2 to move downward and pulls the second cable 401, causing the second cable 401 pulled out from the second sliding assembly 502 to be retracted.

[0034] When using the third tensioner 70, the first tensioner 20 and the first cable 301 constrain the movement of the movable pulley group MG1, making the movable pulley group MG1 equivalent to a fixed pulley. The second tensioner 50 is equivalent to one of the fixed ends of the second cable 401. A pulling force FP3 is applied to the handle 704, and when the pulling force FP3 is greater than the resistance provided by the selected counterweight 801, the third cable 601 can be pulled out from the third sliding assembly 702. The second movable pulley M3 is pulled downward by the third cable 601, thereby pulling the second cable 401, causing the first movable pulley M2 to drive the selected counterweight 801 upward. When the handle 704 is slowly released, the pulling force FP3 is less than the resistance provided by the selected counterweight 801. The selected counterweight 801 drives the first movable pulley M2 to move downward and pulls the second cable 401, causing the second movable pulley M3 to move upward, which in turn pulls the third cable 601, so that the third cable 601 pulled out from the third sliding assembly 702 is retracted.

[0035] like Figure 2 and Figure 3 As shown above, the exercise equipment of this application includes two basically identical layout structures, left and right, with the right layout structure and the left layout structure being... Figure 3 The cross-section AA is symmetrically arranged. In this embodiment, the counterweight structures 80 in both the left and right configurations are located at the rear of the frame 10. Compared to configurations where the counterweight structures 80 are placed on the left and right sides of the frame 10, the counterweight structures 80 in this embodiment are closer to the center of the crossbeam. This arrangement improves the stability of the exercise equipment when the counterweight blocks 801 move vertically. Furthermore, this arrangement allows for a more compact structure of the exercise equipment, thus reducing the space it occupies.

[0036] In some embodiments, the handle 504 is simultaneously engaged with the second end 4012 of the second cable 401 in both the left and right wiring structures. When using the second tensioner 50, pulling the handle 504 simultaneously pulls the second cable 401 in both the left and right wiring structures, thereby simultaneously causing the counterweight 801 of both the left and right wiring structures to move upwards.

[0037] The above descriptions are merely some embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An exercise device, characterized in that, include: The frame (10) includes a plurality of columns (11-14) and a top beam (15) joined to the top of the columns (11-14) and a bottom beam (16) joined to the bottom of the columns (11-14). Two arrangement structures are symmetrically arranged on the frame (10), and the arrangement structures include: The counterweight structure (80) includes a first movable pulley (M2) and a counterweight block (801) attached to the first movable pulley (M2). A first tensioner (20) is selectively slidably connected to one of the columns; A first cable (301) has a first end connected to the operating end of the first tensioner (20) and a second end connected to a portion of the first tensioner (20). The second tensioner (50) is connected to a portion of the frame (10); A second cable (401), the first end of which is connected to the operating end of the second tensioner (50), and the second end of which is connected to a portion of the frame (10); and A movable pulley block (MG1), comprising a first pulley and a second pulley that move synchronously and are rotatable; The first cable (301) is operably routed around the first pulley, and the second cable (401) is operably routed around the first movable pulley (M2) and the second pulley; and Operating the first tensioner (20) can move the movable pulley group (MG1) and move the first movable pulley (M2) and the counterweight (801) attached to the first movable pulley (M2); Operating the second tensioner (50) can move the first movable pulley (M2) and the counterweight (801) attached to the first movable pulley (M2).

2. The exercise device according to claim 1, characterized in that, The layout structure also includes: A third tensioner (70) is connected to a portion of the bottom beam (16); and The third cable (601) has a first end connected to the operating end of the third tensioner (70) and a second end connected to the second movable pulley; The second cable (401) can also be operably routed around the second movable pulley (M3), and Operating the third tensioner (70) can move the second movable pulley (M3) and the first movable pulley (M2) and the counterweight (801) attached to the first movable pulley (M2).

3. The exercise equipment according to claim 2, characterized in that, The second cable (401) between the second tensioner (50) and the first movable pulley (M2) is tumbledly connected to the second movable pulley (M3).

4. The exercise device according to any one of claims 1 to 3, characterized in that, The arrangement structure also includes a first set of fixed pulleys, which are used to guide the first cable (301). The first set of fixed pulleys includes several fixed pulleys and is arranged at the top and bottom of the frame (10).

5. The exercise device according to claim 4, characterized in that, The first set of fixed pulleys includes a first fixed pulley located on the upper side of the first tensioner (20) and a second fixed pulley located on the lower side of the first tensioner (20); The first cable (301) includes a first section of cable between the first tensioner (20) and the first fixed pulley, and a second section of cable between the first tensioner (20) and the second fixed pulley; The first cable segment and the second cable segment are both parallel to the sliding direction of the first tensioner (20).

6. The exercise device according to claim 2 or 3, characterized in that, The second tensioner (50) is connected to a portion of the top beam (15); The layout structure also includes a second set of fixed pulleys, which are used to guide the second cable (401). The second set of fixed pulleys includes several fixed pulleys and is arranged on the top of the frame (10).

7. The exercise device according to claim 6, characterized in that, The second set of fixed pulleys includes a third fixed pulley and a fourth fixed pulley disposed on both sides of the second movable pulley (M3). The axis of the third fixed pulley and the axis of the fourth fixed pulley are both parallel to the horizontal plane, and their projections on the horizontal plane in the vertical direction intersect.

8. The exercise device according to claim 1, characterized in that, In the two symmetrical arrangement structures, the two counterweight structures are arranged in the middle of the frame (10), and the two first tensioners (20) and the two first cables (301) are arranged on the left and right sides of the frame (10).

9. The exercise device according to claim 8, characterized in that, A steering pulley group (SG) is provided between the movable pulley group (MG1) and the first movable pulley (M2). The steering pulley group (SG) includes at least one pulley. The second cable (401) is operably bypassed by at least one pulley in the steering pulley group (SG) and the laying direction of the second cable (401) is turned in the horizontal direction.

10. The exercise device according to claim 1, characterized in that, The movable pulley block is located between the top beam (15) and the bottom beam (16) and can move in the vertical direction.

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