Spine decompression massage chair capable of realizing zero-gravity stretching

By combining the sliding mechanism and the adjustment mechanism, the massage chair moves forward when it is tilted back, which solves the space and safety problems of traditional zero-gravity massage chairs and achieves stability and safety in zero-gravity posture.

CN121370541APending Publication Date: 2026-01-23FOSHAN PANASEIMA ELECTRONICS SCI
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Patent Information

Application Number
CN202511916937.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-18
Publication Date
2026-01-23

AI Technical Summary

Technical Problem

Traditional zero-gravity massage chairs require a lot of space when reclining, and pose safety hazards and mechanical overload risks.

Method used

By coordinating the sliding and adjusting mechanisms, the massage chair moves forward when reclining, and the monitoring mechanism automatically stops operation when a zero-gravity posture is reached, thus avoiding mechanical overload and safety risks.

Benefits of technology

It effectively saves home space, avoids the limitation that massage chairs must be placed far from the wall, and improves the safety and intelligence of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of massage chairs, in particular to a spine decompression massage chair capable of realizing zero-gravity stretching, which comprises a massage chair body and a base, the base is positioned below the massage chair body, a support plate is arranged between the base and the massage chair body, and the support plate is connected with the massage chair body through an adjusting mechanism. The adjusting mechanism is used for adjusting the massage chair body to be in a zero-gravity state, the supporting plate is connected with the base through the sliding mechanism, and in the process that the massage chair body is adjusted to be in the zero-gravity state, the sliding mechanism is used for driving the supporting plate to move towards the front side of the massage chair body; according to the zero-gravity spine decompression massage chair, through the cooperation of the sliding mechanism and the adjusting mechanism, the whole massage chair can move forwards while the chair back leans backwards, and the problem that a large amount of rear space needs to be reserved due to the fact that a traditional zero-gravity massage chair leans backwards greatly is effectively solved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of massage chairs, in particular to a spine decompression massage chair capable of realizing zero-gravity stretching. BACKGROUND

[0002] The zero-gravity decompression massage chair is a high-end massage device simulating the zero-gravity posture of astronauts in the space capsule. Its core technology is to lift the user's legs to a height close to the heart, so that the body assumes an optimal 128° or so upward angle. This posture can effectively distribute body pressure, significantly reduce the burden on the spine and joints, and evenly distribute the body weight, as if floating in a weightless environment, thereby bringing an extreme sense of relaxation. However, the traditional zero-gravity massage chair only rotates at a fixed point when reclining, causing the top to move backward significantly, and it must be placed far away from the wall, otherwise it will collide, wasting a lot of home space. At the same time, its mechanical movement lacks precise automatic limiting, which not only has the risk of overturning due to excessive reclining, but also may cause motor overload and damage, lacking intelligence and safety. SUMMARY

[0003] The purpose of the present application is to provide a spine decompression massage chair capable of realizing zero-gravity stretching to solve the problems raised in the background.

[0004] To achieve the above purpose, the present application provides the following technical scheme:

[0005] A spine decompression massage chair capable of realizing zero-gravity stretching, comprising a massage chair body and a base, the base being located below the massage chair body, a support plate being provided between the base and the massage chair body, the support plate being connected to the massage chair body through an adjusting mechanism, the adjusting mechanism being used to adjust the massage chair body to a zero-gravity state, the support plate being connected to the base through a sliding mechanism, the sliding mechanism being used to move the support plate to the front side of the massage chair body during the adjustment of the massage chair body to the zero-gravity state, the massage chair body being connected to a monitoring mechanism, the monitoring mechanism being used to monitor the state of the massage chair body, the monitoring mechanism controlling the adjusting mechanism and the sliding mechanism to stop operating when the massage chair body is in the zero-gravity state.

[0006] Preferably, the sliding mechanism comprises moving blocks fixed to the bottom of the support plate and symmetrically distributed, the moving blocks each having a threaded rod penetrating therein, the threaded rod being threadedly connected to the moving block, the threaded rod being connected to a rotating assembly, the rotating assembly being used to rotate the threaded rod.

[0007] Preferably, the rotating assembly comprises a motor fixed to the top of the base and a vertical plate, the motor output end being fixedly connected to one end of the threaded rod, the vertical plate being rotatably connected to the other end of the threaded rod, the threaded rod being externally fixed with a belt pulley, the belt pulleys being drivingly connected through a belt.

[0008] Preferably, the base top is provided with symmetrically distributed sliding grooves, and the lower end of the moving block is located in the sliding grooves and is in sliding connection with the sliding grooves.

[0009] Preferably, the adjusting mechanism comprises symmetrically distributed supporting rods fixed on the top of the supporting plate, the upper ends of the supporting rods are in rotary connection with the bottom of the massage chair body, the top of the supporting plate is fixed with symmetrically distributed limiting plates, the limiting plates are penetrated by supporting rods, one end of the supporting rod is connected with a pushing assembly, the pushing assembly is used for pushing the supporting rod, the other end of the supporting rod is in rotary connection with a movable rod, the bottom of the massage chair body is fixed with a connecting rod, and the lower end of the connecting rod is in rotary connection with the end of the movable rod.

[0010] Preferably, the pushing assembly comprises a first abutting plate fixedly connected with the supporting plate, symmetrically distributed first hydraulic cylinders are fixed on the side wall of the first abutting plate, a first piston block is in sliding connection with the inside of the first hydraulic cylinder, the first piston block is fixedly connected with the supporting rod, and the first hydraulic cylinder is connected with a liquid inlet component for injecting hydraulic oil into the inside of the first hydraulic cylinder.

[0011] Preferably, the liquid inlet component comprises a second abutting plate fixedly connected with the top of the base, symmetrically distributed second hydraulic cylinders are fixed on the side wall of the second abutting plate, a second piston block is in sliding connection with the inside of the second hydraulic cylinder, the second piston block is fixedly connected with a push rod, the push rod is fixedly connected with the side wall of the supporting plate, the second hydraulic cylinder is communicated with a hydraulic pipe, and the other end of the hydraulic pipe is communicated with the first hydraulic cylinder.

[0012] Preferably, the monitoring mechanism comprises a fixed plate fixedly connected with the bottom of the massage chair body, a groove is arranged in the inside of the fixed plate, a counterweight is arranged in the inside of the groove, the counterweight is in rotary connection with the inner wall of the groove through a rotary shaft, an electrically conductive sheet is arranged on the side wall of the counterweight, a power module is fixed on the side wall of the fixed plate, a first electrically conductive wire and a second electrically conductive wire are respectively connected with the positive and negative poles of the power module, and a controller is connected in series on the second electrically conductive wire.

[0013] Compared with the prior art, the beneficial effects of the zero-gravity spinal decompression massage chair are as follows: the zero-gravity spinal decompression massage chair is moved forward while the back is tilted backward through the cooperation of the sliding mechanism and the adjusting mechanism, the problem that a large amount of space needs to be reserved behind the traditional zero-gravity massage chair due to the large backward tilting of the chair is effectively avoided, the limitation that the massage chair must be placed away from the wall is perfectly solved, the massage chair can be installed close to the wall, the household space is greatly saved, and the monitoring mechanism can automatically stop working when the preset zero-gravity posture is reached, which not only prevents mechanical overload damage, but also avoids the safety risk caused by excessive backward tilting, and the safety and intelligence of the equipment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure in the embodiment of the present application.

[0015] Figure 2 Figure is a schematic view of the connection structure between the support plate and the base in the embodiment of the present application.

[0016] Figure 3 Figure is a schematic view of the internal structure of the first hydraulic cylinder and the second hydraulic cylinder in the embodiment of the present application.

[0017] Figure 4 Figure is a schematic view of the connection structure of the counterweight in the embodiment of the present application.

[0018] In the figure: 1-massage chair body, 2-sliding mechanism, 21-threaded rod, 22-sliding groove, 23-moving block, 24-belt, 25-belt pulley, 26-motor, 27-stand plate, 3-adjusting mechanism, 31-brace rod, 32-connecting rod, 33-moving rod, 34-limiting plate, 35-branch rod, 36-first piston block, 37-first hydraulic cylinder, 38-first resisting plate, 39-second resisting plate, 310-hydraulic pipe, 311-second hydraulic cylinder, 312-second piston block, 313-push rod, 4-monitoring mechanism, 41-fixed plate, 42-power module, 43-controller, 44-first conductive wire, 45-second conductive wire, 46-counterweight, 47-conductive sheet, 5-base, 6-support plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0020] The specific implementation of the present application is described in detail below in combination with specific embodiments.

[0021] In one embodiment, referring to Figure 1 and Figure 2 a spinal decompression massage chair capable of realizing zero-gravity stretching, comprising a massage chair body 1 and a base 5, the base 5 being located below the massage chair body 1, a support plate 6 being provided between the base 5 and the massage chair body 1, the support plate 6 being connected with the massage chair body 1 through an adjusting mechanism 3, the adjusting mechanism 3 being used for adjusting the massage chair body 1 to a zero-gravity state, the support plate 6 being connected with the base 5 through a sliding mechanism 2, the sliding mechanism 2 being used for driving the support plate 6 to move to the front side of the massage chair body 1 in the process of adjusting the massage chair body 1 to the zero-gravity state, the massage chair body 1 being connected with a monitoring mechanism 4, the monitoring mechanism 4 being used for monitoring the state of the massage chair body 1, the monitoring mechanism 4 controlling the adjusting mechanism 3 and the sliding mechanism 2 to stop operating when the massage chair body 1 is in the zero-gravity state.

[0022] In the embodiment, when the massage chair body 1 needs to be converted into a zero-gravity state, the inclination angle of the massage chair is adjusted by the adjusting mechanism 3, so that the massage chair body 1 can be tilted backward until the massage chair body 1 is completely converted into a zero-gravity state, and during the process of converting the massage chair body 1 into a zero-gravity state, the sliding mechanism 2 also drives the support plate 6 to move to the front side of the massage chair body 1, and the support plate 6 drives the massage chair body 1 to move forward through the adjusting mechanism 3, thereby realizing a perfect coordinated motion of “moving forward while tilting backward”, avoiding the interference of the wall body on the zero-gravity adjustment of the massage chair body 1, perfectly solving the space limitation problem of the massage chair body 1 placed against the wall, and in addition, the monitoring mechanism 4 is arranged at the bottom of the massage chair body 1, when the massage chair body 1 is in a zero-gravity state, the monitoring mechanism 4 controls the adjusting mechanism 3 and the sliding mechanism 2 to stop running, that is, the zero-gravity spine decompression massage chair moves forward as a whole while the back is tilted backward through the cooperation of the sliding mechanism 2 and the adjusting mechanism 3, effectively avoiding the problem that the traditional zero-gravity massage chair needs to reserve a large amount of rear space due to a large backward tilt, perfectly solving the limitation that the massage chair must be placed away from the wall, so that it can be installed close to the wall, greatly saving the home space, and the monitoring mechanism 4 can automatically stop running when reaching the preset zero-gravity posture, which not only prevents mechanical overload damage, but also avoids the safety risk caused by excessive backward tilt, and improves the safety and intelligence of the equipment.

[0023] Please refer to Figure 2 , the sliding mechanism 2 comprises moving blocks 23 fixed at the bottom of the support plate 6 and symmetrically distributed, the moving blocks 23 are internally penetrated by threaded rods 21, the threaded rods 21 are threadedly connected with the moving blocks 23, and the threaded rods 21 are connected with rotating assemblies.

[0024] When the massage chair body 1 needs to be converted into a zero-gravity state, the rotating assembly drives the threaded rod 21 to rotate, the threaded rod 21 rotates while driving the support plate 6 to move to the front side of the massage chair body 1 through the threaded connection with the moving block 23, and the support plate 6 drives the massage chair body 1 to move forward through the adjusting mechanism 3, thereby realizing a perfect coordinated motion of “moving forward while tilting backward”, avoiding the interference of the wall body on the zero-gravity adjustment of the massage chair body 1.

[0025] Please refer to Figure 2 , the rotating assembly comprises a motor 26 and a vertical plate 27 fixed at the top of the base 5, the motor 26 is fixedly connected with one end of one of the threaded rods 21, the vertical plate 27 is rotationally connected with the other end of the other threaded rod 21, and the threaded rods 21 are externally fixed with belt pulleys 25, and the belt pulleys 25 are transmissionally connected through a belt 24.

[0026] When it is needed to transform the massage chair body 1 into zero gravity state, the motor 26 is started, the motor 26 drives one of the threaded rods 21 to rotate, the threaded rod 21 drives the other threaded rod 21 to rotate through the transmission connection of the belt pulley 25 and the belt 24, and then the two threaded rods 21 can synchronously rotate, effectively improving the stability performance when the support plate 6 moves.

[0027] Please refer to Figure 2 , the top of the base 5 is provided with symmetrically distributed sliding grooves 22, and the lower end of the moving block 23 is located inside the sliding groove 22 and is in sliding connection with the sliding groove 22.

[0028] When the moving block 23 moves, the lower end thereof moves inside the sliding groove 22, and the sliding groove 22 can limit the moving block 23, thereby ensuring the stability performance when the moving block 23 moves.

[0029] Please refer to Figure 3 , the adjusting mechanism 3 comprises symmetrically distributed supporting rods 31 fixed on the top of the support plate 6, the upper ends of the supporting rods 31 are in rotary connection with the bottom of the massage chair body 1, the top of the support plate 6 is fixed with symmetrically distributed limiting plates 34, the supporting rods 35 are penetrated through the inside of the limiting plates 34, one end of the supporting rod 35 is connected with a pushing assembly, the pushing assembly is used for pushing the supporting rod 35, the other end of the supporting rod 35 is in rotary connection with a movable rod 33, the bottom of the massage chair body 1 is fixed with a connecting rod 32, and the lower end of the connecting rod 32 is in rotary connection with the end of the movable rod 33.

[0030] When it is needed to transform the massage chair body 1 into zero gravity state, the sliding mechanism 2 drives the support plate 6 to move to the front side of the massage chair body 1, the pushing assembly pushes the supporting rod 35 while the support plate 6 moves, the supporting rod 35 pushes the massage chair body 1 through the movable rod 33 and the connecting rod 32, so that the massage chair body 1 can rotate with the position where the massage chair body 1 is in rotary connection with the supporting rod 31 as the center, thereby realizing the perfect coordinated motion of "moving forward on one side and leaning back on the other side", and avoiding the interference of the wall body to the zero gravity adjustment of the massage chair body 1.

[0031] Please refer to Figure 3 , the pushing assembly comprises a first abutting plate 38 fixedly connected with the support plate 6, symmetrically distributed first hydraulic cylinders 37 are fixed on the side wall of the first abutting plate 38, a first piston block 36 is in sliding connection with the inside of the first hydraulic cylinder 37, the first piston block 36 is fixedly connected with the supporting rod 35, and the first hydraulic cylinder 37 is connected with a liquid inlet component.

[0032] When it is needed to transform the massage chair body 1 into zero gravity state, the sliding mechanism 2 drives the support plate 6 to move to the front side of the massage chair body 1, and the support plate 6 moves while the liquid injection component injects hydraulic oil into the first hydraulic cylinder 37, the pressure in the first hydraulic cylinder 37 increases and extrudes the first piston block 36, and the first piston block 36 drives the support rod 35 to move, so that the massage chair body 1 can rotate around the position where the massage chair body 1 is rotationally connected with the support rod 31.

[0033] Please refer to Figure 3 , the liquid injection component includes a second abutment plate 39 fixedly connected with the top of the base 5, the second abutment plate 39 is fixedly connected with the second hydraulic cylinder 311 which is symmetrically distributed on the side wall of the second abutment plate 39, the second hydraulic cylinder 311 is slidably connected with the second piston block 312 in the inside, the second piston block 312 is fixedly connected with the push rod 313, the push rod 313 is fixedly connected with the side wall of the support plate 6, and the second hydraulic cylinder 311 is communicated with the hydraulic pipe 310, and the other end of the hydraulic pipe 310 is communicated with the first hydraulic cylinder 37.

[0034] When it is needed to transform the massage chair body 1 into zero gravity state, the sliding mechanism 2 drives the support plate 6 to move to the front side of the massage chair body 1, and the support plate 6 moves while the liquid injection component injects hydraulic oil into the first hydraulic cylinder 37, the pressure in the first hydraulic cylinder 37 increases and extrudes the first piston block 36, and the first piston block 36 drives the support rod 35 to move, so that the massage chair body 1 can rotate around the position where the massage chair body 1 is rotationally connected with the support rod 31.

[0035] Please refer to Figure 4 , the monitoring mechanism 4 includes a fixed plate 41 fixedly connected with the bottom of the massage chair body 1, the fixed plate 41 is provided with a groove in the inside, the groove is provided with a counterweight 46 which is rotationally connected with the inner wall of the groove through a rotating shaft, the counterweight 46 is provided with a conductive sheet 47 on the side wall, the fixed plate 41 is fixedly connected with a power module 42 on the side wall, the power module 42 is connected with a first conductive wire 44 and a second conductive wire 45 on the positive and negative electrodes respectively, and the second conductive wire 45 is connected with a controller 43 in series.

[0036] When it is needed to transform the massage chair body 1 into zero gravity state, the inclination angle of the massage chair is adjusted by the adjusting mechanism 3, so that the massage chair body 1 can be tilted backward, initially, the conductive sheet 47 on the side wall of the counterweight 46 is not in contact with the first conductive wire 44 and the second conductive wire 45, with the rotation of the massage chair body 1, the fixed plate 41 is rotated by the massage chair body 1, while the counterweight 46 does not rotate under the action of gravity, so that the first conductive wire 44 and the second conductive wire 45 can move towards the counterweight 46, when the massage chair body 1 is completely transformed into zero gravity state, the wires at the ends of the first conductive wire 44 and the second conductive wire 45 are just in contact with the conductive sheet 47 on the side wall of the counterweight 46, at this time, the power module 42, the first conductive wire 44, the second conductive wire 45, the controller 43 and the conductive sheet 47 form a closed loop, the controller 43 controls the sliding mechanism 2 and the adjusting mechanism 3 to stop running, so that the massage chair body 1 remains in zero gravity state, which not only prevents mechanical overload damage, but also avoids the safety risk caused by excessive tilting, and improves the safety and intelligence of the equipment.

[0037] Working principle: when it is needed to transform the massage chair body 1 into zero gravity state, start the motor 26, the motor 26 drives one of the threaded rods 21 to rotate, the threaded rod 21 drives the other threaded rod 21 to rotate through the transmission connection of the belt pulley 25 and the belt 24, the threaded rod 21 rotates and drives the support plate 6 to move towards the front side of the massage chair body 1 through the threaded connection with the moving block 23, the support plate 6 drives the massage chair body 1 to move forward through the adjusting mechanism 3, and the support plate 6 moves and drives the push rod 313 to move, the push rod 313 drives the second piston block 312 to move in the second hydraulic cylinder 311, the second piston block 312 extrudes the hydraulic oil in the second hydraulic cylinder 311, the hydraulic oil in the second hydraulic cylinder 311 enters the first hydraulic cylinder 37 through the hydraulic pipe 310, the pressure in the first hydraulic cylinder 37 increases and extrudes the first piston block 36, the first piston block 36 drives the support rod 35 to move, the support rod 35 pushes the massage chair body 1 through the movable rod 33 and the connecting rod 32, so that the massage chair body 1 can rotate around the position where the massage chair body 1 is rotationally connected with the support rod 31, thereby realizing the perfect coordinated motion of "moving forward while tilting backward", avoiding the interference of the wall body on the zero gravity adjustment of the massage chair body 1, and when the massage chair body 1 is completely transformed into zero gravity state, the wires at the ends of the first conductive wire 44 and the second conductive wire 45 are just in contact with the conductive sheet 47 on the side wall of the counterweight 46, at this time, the power module 42, the first conductive wire 44, the second conductive wire 45, the controller 43 and the conductive sheet 47 form a closed loop, the controller 43 controls the sliding mechanism 2 and the adjusting mechanism 3 to stop running, so that the massage chair body 1 remains in zero gravity state, which not only prevents mechanical overload damage, but also avoids the safety risk caused by excessive tilting, and improves the safety and intelligence of the equipment.

[0038] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A spinal decompression massage chair capable of achieving zero-gravity stretching, comprising a massage chair body and a base; characterized in that, The base is located below the massage chair body, and a support plate is provided between the base and the massage chair body. The support plate is connected to the massage chair body through an adjustment mechanism. The adjustment mechanism is used to adjust the massage chair body to a zero-gravity state. The support plate is connected to the base through a sliding mechanism. During the process of adjusting the massage chair body to a zero-gravity state, the sliding mechanism is used to move the support plate to the front of the massage chair body. The massage chair body is connected to a monitoring mechanism, which is used to monitor the state of the massage chair body. When the massage chair body is in a zero-gravity state, the monitoring mechanism controls the adjustment mechanism and the sliding mechanism to stop operating.

2. The spinal decompression massage chair capable of achieving zero-gravity stretching according to claim 1, characterized in that, The sliding mechanism includes movable blocks fixed to the bottom of the support plate and symmetrically distributed. Each movable block has a threaded rod running through it. The threaded rod is threadedly connected to the movable block. The threaded rod is connected to a rotating assembly, which is used to drive the threaded rod to rotate.

3. A spinal decompression massage chair capable of achieving zero-gravity stretching according to claim 2, characterized in that, The rotating assembly includes a motor fixed to the top of the base and a vertical plate. The output end of the motor is fixedly connected to the end of one of the threaded rods, and the vertical plate is rotatably connected to the end of the other threaded rod. Each threaded rod is fixed with a pulley, and the pulleys are connected by belt drive.

4. A spinal decompression massage chair capable of achieving zero-gravity stretching according to claim 3, characterized in that, The base has symmetrically distributed sliding grooves on its top, and the lower end of the moving block is located inside the sliding groove and is slidably connected to the sliding groove.

5. A spinal decompression massage chair capable of achieving zero-gravity stretching according to claim 1, characterized in that, The adjustment mechanism includes symmetrically distributed support rods fixed to the top of the support plate. The upper ends of the support rods are rotatably connected to the bottom of the massage chair body. A symmetrically distributed limiting plate is fixed to the top of the support plate. A support rod passes through the limiting plate. One end of the support rod is connected to a pushing component for pushing the support rod. The other end of the support rod is rotatably connected to a movable rod. A connecting rod is fixed to the bottom of the massage chair body. The lower end of the connecting rod is rotatably connected to the end of the movable rod.

6. A spinal decompression massage chair capable of achieving zero-gravity stretching according to claim 5, characterized in that, The pushing assembly includes a first abutment plate fixedly connected to a support plate, a first hydraulic cylinder symmetrically distributed on the side wall of the first abutment plate, a first piston block slidably connected inside the first hydraulic cylinder, the first piston block being fixedly connected to a support rod, wherein the first hydraulic cylinder is connected to a liquid inlet component for injecting hydraulic oil into the first hydraulic cylinder.

7. A spinal decompression massage chair capable of achieving zero-gravity stretching according to claim 6, characterized in that, The liquid inlet component includes a second abutment plate fixedly connected to the top of the base. A second hydraulic cylinder is fixedly arranged symmetrically on the side wall of the second abutment plate. A second piston block is slidably connected inside the second hydraulic cylinder. A push rod is fixedly connected to the second piston block. The push rod is fixedly connected to the side wall of the support plate. The second hydraulic cylinder is connected to a hydraulic pipe. The other end of the hydraulic pipe is connected to the first hydraulic cylinder.

8. A spinal decompression massage chair capable of achieving zero-gravity stretching according to any one of claims 1-7, characterized in that, The monitoring mechanism includes a fixed plate that is fixedly connected to the bottom of the massage chair body. The fixed plate has a groove inside, and a counterweight is provided inside the groove. The counterweight is rotatably connected to the inner wall of the groove through a rotating shaft. A conductive sheet is provided on the side wall of the counterweight. A power module is fixed on the side wall of the fixed plate. A first conductive wire and a second conductive wire are respectively connected to the positive and negative terminals of the power module, and a controller is connected in series on the second conductive wire.