Comprehensive body builder based on motor control strength

Abstract

The invention discloses a comprehensive body builder based on motor control strength, and relates to the technical field of body builders, the comprehensive body builder comprises a base, a leg exercising frame is slidably mounted at one end of the base, a seat is mounted on the base, a frame body is fixedly connected to the side wall of the base, and push-pull arms are rotatably connected to the outer walls of the two sides of the frame body through rotating shafts; a first pulley block and a double-shaft motor are arranged at the top of the base, the first pulley block comprises two mounting frames fixedly connected to the top of the base, and mounting shafts are rotationally connected to the two mounting frames. Switching of upper limb training or lower limb training can be carried out by pressing the adjusting piece and rotating the fastening piece, switching of training exercises such as rowing and leg exercising can be carried out, the structure is simple, operation is convenient, a single motor power source can be distributed to different training devices, and the fitness equipment is convenient to use. Upper limb and lower limb training can be carried out on one device through a single motor power source, and the problems that an existing training device is single in function, and a plurality of devices need to be purchased are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fitness equipment, in particular to a comprehensive fitness equipment based on motor-controlled strength. BACKGROUND

[0002] The strength training equipment on the market at present basically adopts a rope-driven single-direction power output mode for training, that is, the strength of arms or legs is used to pull up the counterweight, and the training resistance is adjusted by increasing or decreasing the number of counterweights; some training equipment is provided with a load by a motor to replace the counterweight, and the motor rotates to generate resistance against human force, that is, an electrically-adjusted resistance training equipment. SUMMARY

[0003] To solve the above technical problems, the present application provides a comprehensive fitness equipment based on motor-controlled strength.

[0004] The technical scheme is as follows: A comprehensive fitness equipment based on motor-controlled strength, comprising a base, a leg training frame slidably installed at one end of the base, a seat installed on the base, a frame body fixedly connected to the sidewall of the base, a push-pull arm rotatably connected to the outer wall of the frame body on both sides, a first pulley block and a double-shaft motor arranged on the top of the base, the first pulley block comprising two mounting frames fixedly connected to the top of the base, a mounting shaft rotatably connected to each of the two mounting frames, a first cable reel and a second cable reel rotatably connected to the mounting shaft, and a first connecting assembly connected between the first cable reel and the push-pull arm. A second connecting assembly is connected between the second cable reel and the leg training frame, one end of the mounting shaft is fixedly connected to the output shaft corresponding to the double-shaft motor, and an adjusting assembly is arranged at the end of the mounting shaft away from the double-shaft motor.

[0005] Further, the first cable reel and the second cable reel have a first fixed shell and a second fixed shell fixedly connected to the inner walls on both sides of the mounting frame, the mounting shaft has a connecting sleeve rotatably arranged between the first fixed shell and the second fixed shell, an installation sleeve and a fixed sleeve rotatably arranged at the end of the first fixed shell and the second fixed shell away from the connecting sleeve, the first cable reel further has a first cable reel rotatably installed between the installation sleeve and the connecting sleeve, the second cable reel further has a second cable reel rotatably installed between the connecting sleeve and the fixed sleeve, and the fixed sleeve is fixedly connected to the output shaft of the double-shaft motor at the end away from the second cable reel.

[0006] Further, the adjusting assembly comprises an adjusting piece slidably mounted along the direction of the output shaft of the dual-shaft motor, the first rope collecting roller, the second rope collecting roller, the mounting sleeve and the connecting sleeve are all provided with a plug-in hole through which the adjusting piece passes, one end of the adjusting piece is slidably mounted on the fixed sleeve by sequentially passing through the mounting sleeve, the first rope collecting roller, the connecting sleeve and the second rope collecting roller, the plug-in hole of the first rope collecting roller and the second rope collecting roller are both formed with a first spline groove, the outer wall of the adjusting piece is formed with a first spline part corresponding to the plug-in hole of the connecting sleeve, and the first spline part is used for cooperating with the first spline groove in the plug-in hole of the first rope collecting roller and the second rope collecting roller.

[0007] Further, the fixed sleeve is formed with a second spline groove recessed inward at the end close to the second cable reel, and the end of the adjusting piece close to the dual-shaft motor is provided with a second spline part matched with the second spline groove.

[0008] Further, the end of the adjusting piece away from the dual-shaft motor is provided with a convex part, the adjusting piece is provided with a baffle between the first spline part and the convex part, the adjusting piece is rotatably mounted with a fastener between the convex part and the baffle, and the fastener is mounted with a spring between the mounting sleeve.

[0009] Further, the leg training frame is provided with an upwardly inclined footrest at the end away from the base, the footrest is fixedly mounted with a pedal, and the bottom of the footrest is fixedly mounted with a roller in contact with the ground; the base is internally formed with a mounting groove, the mounting groove is slidably mounted with a sliding block, and the sliding block is fixedly connected with a plurality of connecting rods between the leg training frame.

[0010] Further, the first connecting assembly comprises a first rope wound on the first cable reel and a first micro-tension sensor, the first micro-tension sensor is connected with the movable end of the first rope, the end of the first micro-tension sensor away from the first rope is connected with the push-pull arm rotating shaft side wall, the base top is mounted with a second pulley block, the side wall of the frame body is mounted with an auxiliary wheel, and the first rope is mounted on the push-pull arm by sequentially penetrating the second pulley block and the auxiliary wheel.

[0011] Further, the second connecting assembly comprises a second rope wound on the second cable reel and a second micro-tension sensor, the second micro-tension sensor is connected with the movable end of the second rope, and the end of the second micro-tension sensor away from the second rope is connected with the middle position of the sliding block.

[0012] As described above, the beneficial effects of the comprehensive fitness equipment based on motor control force in the application are as follows: By pressing the adjusting piece and rotating the fastener, the switching of upper limb or lower limb training can be realized, and the switching of rowing and leg training can be realized, so that the structure is simple and the operation is convenient.

[0013] The body building machine can distribute single motor power source to different training equipment, realizes that upper limbs and lower limbs can be trained by single motor power source on one device, and solves the problems of single function of existing training equipment and need of purchasing multiple devices.

[0014] By adopting the spline cooperation mode, when the upper limb or lower limb training mode is switched, the adjusting part can directly and stably transmit power to the first rope collecting roller or the second rope collecting roller, can bear large torque, is completely separated when disconnected, avoids idle loss of the adjusting part and potential interference. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole schematic view of the present application; Figure 2 It is a rear view schematic view of the present application; Figure 3 It is a whole cross-sectional schematic view of the present application; Figure 4 It is a schematic view of connection of the first rope collecting roller, the second rope collecting roller and the mounting shaft part; Figure 5 It is a cross-sectional schematic view of connection state of the first spline part and the second rope collecting roller; Figure 6 It is a cross-sectional schematic view of connection state of the first spline part and the first rope collecting roller; Figure 7 It is an exploded schematic view of the first rope collecting roller, the second rope collecting roller and the mounting shaft part; Figure 8 It is a cross-sectional schematic view of the second rope collecting roller; Wherein, the reference numerals in the present application are: 110, base; 120, frame; 130, seat; 140, leg training frame; 210, first pulley set; 220, second pulley set; 230, push-pull arm; 240, auxiliary wheel; 250, roller; 310, double-shaft motor; 320, mounting groove; 330, sliding block; 340, connecting rod; 350, pedal; 410, mounting shaft part; 420, first cable disc; 430, second cable disc; 510, first fixed shell; 520, first rope collecting roller; 530, second fixed shell; 540, second rope collecting roller; 760, connecting sleeve; 770, fixed sleeve; Adjusting assembly: 550, adjusting part; 551, baffle; 710, first spline part; 720, second spline part; 730, mounting sleeve; 740, fastener; 750, spring. DETAILED DESCRIPTION

[0016] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments, and based on the embodiments in the present application, all other embodiments obtained by those ordinarily skilled in the art without creative efforts fall within the protection scope of the present application.

[0017] The embodiments provided by the present application will be described in detail below: As Figures 1 to 8 shown, a comprehensive fitness equipment based on motor control force, including base 110, the base 110 one end of the end of the sliding installation of the leg training frame 140, the base 110 is installed on the seat 130, the seat 130 is located in the frame body 120 inside, the base 110 side wall is fixedly connected with the frame body 120, the frame body 120 both sides of the outer wall is rotatably connected with the push-pull arm 230 through the shaft, the base 110 top is provided with first pulley group 210 and double shaft motor 310, the first pulley group 210 includes two mounting brackets fixedly connected to the top of the base 110, two mounting brackets at the two output shafts of the double shaft motor 310, the two mounting brackets are rotatably connected with the mounting shaft 410, the mounting shaft 410 is rotatably connected with the first cable reel 420 and the second cable reel 430, the first cable reel 420 and the push-pull arm 230 are connected with the first connecting assembly; The second cable reel 430 and the leg training frame 140 are connected with the second connecting assembly, one end of the mounting shaft 410 is fixedly connected to the output shaft corresponding to the double shaft motor 310, and the other end of the mounting shaft 410 away from the double shaft motor 310 is provided with an adjusting assembly.

[0018] It should be noted that the base 110 is provided with a resistance adjusting system connected with the double shaft motor 310, the resistance adjusting system includes a shell and a digital belt motor speed regulator, a DC power supply and a PLC industrial control board are arranged in the shell, a touch screen module is arranged on the top of the shell, the screen of the touch screen module is provided with a force value display window, a force value increase button, a force value decrease button, a speed value display window, a speed value increase button and a speed value decrease button, which is prior art and will not be described here.

[0019] Through the setting of the double shaft motor 310 and the resistance adjusting system, the resistance adjustment of the double shaft motor 310 can be digitized and programmed, avoiding the tedious replacement of the counterweight, and the resistance control is more accurate and smooth.

[0020] The first cable reel 420 and the second cable reel 430 are respectively provided with a first fixed shell 510 and a second fixed shell 530 fixedly connected to the two sides of the inner wall of the mounting frame, the mounting shaft 410 is provided with a connecting sleeve 760 rotatably arranged between the first fixed shell 510 and the second fixed shell 530, and a mounting sleeve 730 and a fixed sleeve 770 rotatably arranged at the end of the first fixed shell 510 and the second fixed shell 530 away from the connecting sleeve 760, the first cable reel 420 is further provided with a first cable winding roller 520 rotatably arranged between the mounting sleeve 730 and the connecting sleeve 760, and the second cable reel 430 is further provided with a second cable winding roller 540 rotatably arranged between the connecting sleeve 760 and the fixed sleeve 770, and the end of the fixed sleeve 770 away from the second cable reel 430 is fixedly connected to the output shaft of the dual-shaft motor 310.

[0021] It should be noted that the first fixed shell 510 and the second fixed shell 530 each include two disc shells symmetrically arranged and detachably connected by bolts, and each of the outer walls of the two disc shells is provided with a cable outlet for the cable to pass through.

[0022] The adjusting assembly includes an adjusting member 550 slidably arranged along the axis direction of the output shaft of the dual-shaft motor 310, the mounting sleeve 730, the connecting sleeve 760, the first cable winding roller 520 and the second cable winding roller 540 are each provided with a plug-in hole through which the adjusting member 550 passes along the axis direction of the output shaft of the dual-shaft motor 310, one end of the adjusting member 550 passes through the mounting sleeve 730, the first cable winding roller 520, the connecting sleeve 760 and the second cable winding roller 540 in sequence and is slidably arranged on the fixed sleeve 770, the plug-in holes of the first cable winding roller 520 and the second cable winding roller 540 are each formed with a first spline groove, the outer wall of the adjusting member 550 is formed with a first spline portion 710 corresponding to the plug-in hole of the connecting sleeve 760, and the first spline portion 710 is used to cooperate with the first spline groove in the plug-in hole of the first cable winding roller 520 and the second cable winding roller 540.

[0023] It should be noted that the first spline portion 710 is located between the first spline grooves of the first cable winding roller 520 and the second cable winding roller 540.

[0024] The end of the fixed sleeve 770 close to the second cable reel 430 is formed with an inwardly recessed second spline groove, and the end of the adjusting member 550 close to the dual-shaft motor 310 is provided with a second spline portion 720 matched with the second spline groove.

[0025] It can be understood that by using the spline cooperation mode, the power transmission is direct and stable during connection, can withstand large torque, and is completely separated during disconnection, thereby avoiding idle loss and potential interference.

[0026] As Figure 7As shown, the adjusting member 550 has a protrusion at one end away from the double-shaft motor 310, the adjusting member 550 is provided with a baffle 551 between the first spline portion 710 and the protrusion, the adjusting member 550 is rotatably installed between the protrusion and the baffle 551, and a fastener 740 is installed between the baffle 551 and the mounting sleeve 730, and a spring 750 is installed between the fastener 740 and the mounting sleeve 730.

[0027] It should be noted that the mounting sleeve 730 has a sealing portion at one end away from the first fixed shell 510, the sealing portion is formed with a circular hole matched with the outer wall of the adjusting member 550, the baffle 551 is located inside the insertion hole of the mounting sleeve 730, the circular hole is formed with an extension sleeve extending towards the fastener 740, the outer wall of the extension sleeve is formed with an external thread portion, and the side wall of the fastener 740 close to the first cable reel 420 is formed with an internal thread portion matched with the external thread portion of the extension sleeve.

[0028] Further, when the baffle 551 is attached to the sealing portion, that is, when the adjusting member 550 is pulled outward to the maximum limit, the second spline portion 720 and the second spline groove are still in a matched state.

[0029] Specifically, when the upper limbs need to be trained, the spring 750 provides a spring force to keep the adjusting member 550 pushed outward without any operation on the adjusting member 550, so that the first spline portion 710 on the adjusting member 550 is matched with the first spline groove in the insertion hole of the first cable reel 520, so that the adjusting member 550 is rotated when the output shaft of the double-shaft motor 310 rotates, and the first cable reel 520 matched with the first spline portion 710 is rotated to perform the cable winding or unwinding operation; When the lower limbs need to be trained, the adjusting member 550 is pushed inward, so that the fastener 740 is in contact with the extension sleeve, and the internal thread portion on the fastener 740 is threadedly matched with the external thread portion on the outer wall of the extension sleeve by rotating the fastener 740, so that the adjusting member 550 is axially limited, and the first spline portion 710 on the adjusting member 550 is matched with the first spline groove in the insertion hole of the second cable reel 540, so that the adjusting member 550 is rotated when the output shaft of the double-shaft motor 310 rotates, and the second cable reel 540 matched with the first spline portion 710 is rotated to perform the cable winding or unwinding operation, and the switching between the upper limb and lower limb training can be performed only by pressing the adjusting member 550 and rotating the fastener 740, that is, the switching between the rowing and leg training can be performed, and the single motor power source can be distributed to different training equipment by the fitness equipment, so that the upper limbs and lower limbs can be trained by the single motor power source on one device, and the problem of single function of the existing training equipment and the need to purchase multiple devices is solved.

[0030] Further illustrated, when the adjusting member 550 is pushed inward, if the first spline part 710 on the adjusting member 550 is just in the coinciding position with the first spline groove on the second rope winding roller 540, at this time, the first spline part 710 on the adjusting member 550 is inserted into the inside of the first spline groove on the second rope winding roller 540, thereby realizing that when the output shaft of the double-shaft motor 310 rotates, the second rope winding roller 540 connected with the adjusting member 550 is driven to rotate, if the first spline part 710 on the adjusting member 550 is not in the coinciding position with the first spline groove on the second rope winding roller 540, at this time, the first spline part 710 on the adjusting member 550 will abut against the outer surface of the second rope winding roller 540, then the adjusting member 550 is rotated, so that the first spline part 710 on the adjusting member 550 rotates on the outer surface of the second rope winding roller 540, when the first spline part 710 on the adjusting member 550 moves to the coinciding position with the first spline groove on the second rope winding roller 540, thereby making the first spline part 710 on the adjusting member 550 mesh with the first spline groove on the second rope winding roller 540, thereby realizing that when the output shaft of the double-shaft motor 310 rotates, the second rope winding roller 540 connected with the adjusting member 550 is driven to rotate.

[0031] As shown in Figures 1 to 3 The leg training frame 140 has an upwardly inclined footrest at one end away from the base 110, and a pedal 350 is fixedly installed on the footrest. A roller 250 in contact with the ground is fixedly installed at the bottom of the footrest. An installation groove 320 is formed in the interior of the base 110, and a sliding block 330 is slidingly installed in the installation groove 320. A plurality of connecting rods 340 are fixedly connected between the sliding block 330 and the leg training frame 140.

[0032] It should be noted that the pedal 350 is vertically arranged with the base 110.

[0033] As shown in Figure 2 The first connecting assembly includes a first rope wound on the first rope reel 420 and a first micro-tension sensor. The first micro-tension sensor is connected with the movable end of the first rope. The end of the first micro-tension sensor away from the first rope is connected with the pivot side wall of the push-pull arm 230. A second pulley block 220 is installed on the top of the base 110, and an auxiliary wheel 240 is installed on the side wall of the frame body 120. The first rope is sequentially arranged through the second pulley block 220 and the auxiliary wheel 240 and installed on the push-pull arm 230.

[0034] It should be noted that the resistance adjusting system is in control connection with the first micro-tension sensor and the second micro-tension sensor.

[0035] Specifically, when the upper limbs are trained, the spring 750 provides the elastic force to keep pushing the adjusting member 550 outward without any operation on the adjusting member 550, that is, the first spline part 710 on the adjusting member 550 is in cooperation with the first spline groove in the plug hole on the first rope winding roller 520, the exerciser sets the required force value and speed value on the touch screen module, when the first micro-tension sensor on the first rope is subjected to the tension and reaches or exceeds the preset force threshold value when the driving push-pull arm 230 is trained to swing reciprocally, the PLC industrial control board sends the starting signal to the double-shaft motor 310, the double-shaft motor 310 drives the first rope winding roller 520 to rotate and release the first rope wound on the first rope winding roller 520, so that the upper limbs of the exerciser are trained reciprocally. When the first micro-tension sensor measures the tension reaching or exceeding the preset force threshold value, the double-shaft motor 310 drives the first rope winding roller 520 to wind the rope, the releasing speed is proportional to the tension value, the greater the tension, the faster the releasing speed. When the first micro-tension sensor is subjected to the tension less than the preset force threshold value, the double-shaft motor 310 drives the first rope winding roller 520 to wind the rope, the smaller the measured force, the higher the rotating speed of the double-shaft motor 310, and the faster the winding speed. This is the prior art, which will not be described here.

[0036] As shown in Figure 3 The second connecting assembly includes the second rope wound on the second rope disc 430 and the second micro-tension sensor, the second micro-tension sensor is connected with the movable end of the second rope, and the end of the second micro-tension sensor away from the second rope is connected with the middle position of the sliding block 330.

[0037] Specifically, when the lower limbs are trained, after adjusting the adjusting member 550, the exerciser sets the required force value and speed value on the touch screen module, when the second micro-tension sensor on the second rope is subjected to the tension and reaches or exceeds the preset force threshold value when the driving leg training frame 140 is trained to move reciprocally, the PLC industrial control board sends the starting signal to the double-shaft motor 310, the double-shaft motor 310 drives the second rope winding roller 540 to rotate and release the second rope wound on the second rope winding roller 540, so that the lower limbs of the exerciser are trained reciprocally.

[0038] When the second micro-tension sensor measures the tension reaching or exceeding the preset force threshold value, the double-shaft motor 310 drives the second rope winding roller 540 to wind the rope, the releasing speed is proportional to the tension value, the greater the tension, the faster the releasing speed. When the second micro-tension sensor is subjected to the tension less than the preset force threshold value, the double-shaft motor 310 drives the second rope winding roller 540 to wind the rope, the smaller the measured force, the higher the rotating speed of the double-shaft motor 310, and the faster the winding speed. This is the prior art, which will not be described here.

[0039] It is easy to understand that the person skilled in the art can combine, split, recombine, etc. the embodiments of the present application on the basis of one or several embodiments provided in the present application to obtain other embodiments, and these embodiments do not exceed the protection scope of the present application.

[0040] The above describes the present application and its embodiments in a schematic manner, and the description is not restrictive, and the examples shown are only part of the embodiments of the present application, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired thereby, without departing from the purpose of the present application, no creative design is made to similar structural modes and embodiments of the technical solutions, which should all belong to the protection scope of the present application.

Claims

1. A comprehensive fitness device based on motor-controlled force, characterized in that, Includes a base (110), a leg exercise frame (140) is slidably installed at one end of the base (110), a seat (130) is installed on the base (110), a frame (120) is fixedly connected to the side wall of the base (110), and push-pull arms (230) are rotatably connected to the outer walls of both sides of the frame (120) via a rotating shaft. A first pulley group (210) and a dual-axis motor (310) are provided on the top of the base (110). The first pulley group (210) includes two mounting brackets fixedly connected to the top of the base (110). Mounting shafts (410) are rotatably connected to the two mounting brackets. A first cable reel (420) and a second cable reel (430) are rotatably connected to the mounting shafts (410). A first connecting component is connected between the first cable reel (420) and the push-pull arm (230). A second connecting component is connected between the second cable tray (430) and the leg exercise frame (140). One end of the mounting shaft (410) is fixedly connected to the output shaft corresponding to the dual-axis motor (310). An adjustment component is provided at the end of the mounting shaft (410) away from the dual-axis motor (310).

2. The comprehensive fitness device based on motor-controlled force according to claim 1, characterized in that, The first cable reel (420) and the second cable reel (430) have a first fixed shell (510) and a second fixed shell (530) fixedly connected to the inner walls of the mounting frame, respectively. The mounting shaft (410) has a connecting sleeve (760) rotatably disposed between the first fixed shell (510) and the second fixed shell (530), and an mounting sleeve (730) and a fixed sleeve (770) rotatably disposed at the end of the first fixed shell (510) and the second fixed shell (530) away from the connecting sleeve (760). The first cable reel (420) also has a first take-up roller (520) rotatably mounted between the mounting sleeve (730) and the connecting sleeve (760). The second cable reel (430) also has a second take-up roller (540) rotatably mounted between the connecting sleeve (760) and the fixed sleeve (770). The end of the fixed sleeve (770) away from the second cable reel (430) is fixedly connected to the output shaft of the dual-axis motor (310).

3. The comprehensive fitness device based on motor-controlled force according to claim 2, characterized in that, The adjustment assembly includes an adjustment member (550) that is slidably mounted along the output shaft axis of the dual-axis motor (310). The first take-up roller (520), the second take-up roller (540), the mounting sleeve (730), and the connecting sleeve (760) all have insertion holes along the output shaft axis of the dual-axis motor (310) for the adjustment member (550) to pass through. One end of the adjustment member (550) sequentially moves through the mounting sleeve (730), the first take-up roller (520), and the connecting sleeve. (760) and the second take-up roller (540) are slidably mounted on the fixed sleeve (770). The first take-up roller (520) and the second take-up roller (540) are both formed with a first spline groove in their insertion holes. The outer wall of the adjusting member (550) is formed with a first spline portion (710) corresponding to the insertion hole of the connecting sleeve (760). The first spline portion (710) is used to cooperate with the first spline groove in the insertion hole of the first take-up roller (520) and the second take-up roller (540).

4. The comprehensive fitness device based on motor-controlled force according to claim 3, characterized in that, The fixed sleeve (770) has an inwardly recessed second spline groove at one end near the second cable reel (430), and the adjusting member (550) has a second spline portion (720) that mates with the second spline groove at one end near the dual-axis motor (310).

5. The comprehensive fitness device based on motor-controlled force according to claim 3, characterized in that, The adjusting member (550) has a protrusion at the end away from the dual-axis motor (310). A baffle (551) is provided between the first spline part (710) and the protrusion. A fastener (740) is rotatably installed between the adjusting member (550) and the baffle (551). A spring (750) is installed between the fastener (740) and the mounting sleeve (730).

6. The comprehensive fitness device based on motor-controlled force according to claim 1, characterized in that, The leg exercise frame (140) has an upwardly inclined foot pedal at the end away from the base (110). A pedal (350) is fixedly installed on the foot pedal, and a roller (250) that contacts the ground is fixedly installed at the bottom of the foot pedal. An installation groove (320) is formed inside the base (110), and a slider (330) is slidably installed inside the installation groove (320). Multiple connecting rods (340) are fixedly connected between the slider (330) and the leg exercise frame (140).

7. The comprehensive fitness device based on motor-controlled force according to claim 1, characterized in that, The first connecting assembly includes a first rope wound around a first cable reel (420) and a first miniature tension sensor. The first miniature tension sensor is connected to the movable end of the first rope. The end of the first miniature tension sensor away from the first rope is connected to the side wall of the push-pull arm 230. A second pulley group (220) is installed on the top of the base (110). An auxiliary wheel (240) is installed on the side wall of the frame (120). The first rope is sequentially threaded through the second pulley group (220) and the auxiliary wheel (240) and installed on the push-pull arm (230).

8. The comprehensive fitness device based on motor-controlled force according to claim 1, characterized in that, The second connecting assembly includes a second rope wound around a second cable reel (430) and a second micro-tension sensor. The second micro-tension sensor is connected to the movable end of the second rope, and the end of the second micro-tension sensor away from the second rope is connected to the middle position of the slider (330).

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