Double-motor torque accumulation mechanism of strength training machine
Through the dual motor torque accumulation mechanism, the two motors output large torque in the opposite direction of rotation, solving the problem of requiring a larger motor or reducer in the prior art, and achieving the effect of resource saving and cost reduction.
Patent Information
- Application Number
- CN202421947557.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-13
AI Technical Summary
Among existing strength training equipment, a larger torque motor or reducer is required when increasing strength, resulting in waste of resources and increased costs.
A dual motor torque accumulation mechanism is adopted, and the output torque is equal to the sum of the output torques of the two motors by the opposite rotation directions, achieving large torque output.
Use two small motors to achieve large torque output, save resources and reduce costs.
Smart Images
Figure CN223079897U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of strength training equipment, in particular to a double-motor torque accumulation mechanism of a strength training machine. Background Art
[0002] In the existing field of strength equipment, a single motor is used as the power source. To increase the strength, a motor with a larger torque or a speed reducer needs to be selected. The utility model provides a double-motor torque accumulation mechanism of a strength training machine, which can output double the strength with a smaller motor. Content of the Utility Model
[0003] The main purpose of the utility model is to provide a double-motor torque accumulation mechanism of a strength training machine, so as to effectively solve the problems proposed in the background art.
[0004] To achieve the above purpose, the utility model adopts the following technical solutions: a double-motor torque accumulation mechanism of a strength training machine, including an installation base, a wire winding device, and a power device; the wire winding device includes a wire winding cylinder, a wire winding cylinder fixing frame, circular wire blocking plates are arranged at both ends of the wire winding cylinder, a wire winding cylinder shaft is arranged in the center of the wire winding cylinder, bearing A and bearing B are respectively installed on the wire winding cylinder shaft, bearing A and bearing B are respectively installed on wire winding cylinder fixing frame A and wire winding cylinder fixing frame B, wire winding cylinder fixing frame A and wire winding cylinder fixing frame B are fixed to the middle of the installation base with bolts, and a pulling rope is wound around the middle of the wire winding cylinder; the power device includes motor A, motor B, motor connecting plate A, and motor connecting plate B. The motor connecting plates are all rectangular metal plates with through holes in the middle, and are respectively fixed to the sides of wire winding cylinder fixing frame A and wire winding cylinder fixing frame B with bolts. Motor A and motor B are respectively fixed to motor connecting plate A and motor connecting plate B with bolts, and the motor shafts are concentric with the wire winding cylinder shaft.
[0005] Preferably, inner holes are arranged at the centers of both ends of the wire winding cylinder shaft, and the motor shafts of motor A and motor B are respectively inserted into the inner holes and fixed by key connection.
[0006] Preferably, motor pads A and motor pads B are respectively arranged under motor A and motor B, and are respectively pressed and fixed to the installation base with n-shaped motor pressing plates A and motor pressing plates B.
[0007] Preferably, when motor A and motor B work, the rotation directions of the motor shafts are opposite.
[0008] The beneficial effect of the utility model: during operation, the rotation directions of the two motors are opposite, and the output torque is equal to the sum of the output torques of the two motors, achieving the purpose of large torque output with two small motors. Description of the Drawings
[0009] Attached Figure 1 is an exploded view of the structure of the utility model.
[0010] Attached Figure 2 is a three - dimensional structure schematic diagram of the present utility model.
[0011] Attached Figure 3 is a cross - sectional view of the structure of the present utility model.
[0012] Attached Figure 1 In Figure 3 - 3, there are installation base 1, bearing A 2, winding drum 3, bearing B 4, motor backing plate A 5, motor pressing plate A 6, motor A 7, motor connecting plate A 8, winding drum fixing bracket A 9, pulling rope 10, winding drum fixing bracket B 11, motor connecting plate B 12, motor B 13, motor pressing plate B 14, and motor backing plate B 15. Specific embodiments
[0013] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0014] Embodiment 1
[0015] Attached Figure 1 As shown in Figure 3 - 3, a double - motor torque accumulation mechanism of a strength training machine includes an installation base 1, a winding device, and a power device; the winding device includes a winding drum 3 and winding drum fixing brackets. Circular wire blocking plates are arranged at both ends of the winding drum 3, a winding drum shaft is arranged at the center of the winding drum 3, bearing A 2 and bearing B 4 are respectively installed on the winding drum shaft, and bearing A 2 and bearing B 4 are respectively installed on winding drum fixing bracket A 9 and winding drum fixing bracket B 11. Winding drum fixing bracket A 9 and winding drum fixing bracket B 11 are fixed to the middle of the installation base 1 with bolts, and the pulling rope 10 is wound around the middle of the winding drum 3; the power device includes motor A 7, motor B 13, motor connecting plate A 8, and motor connecting plate B 12. The motor connecting plates are all rectangular metal plates with through - holes in the middle, and are respectively fixed to the sides of winding drum fixing bracket A 9 and winding drum fixing bracket B 11 with bolts. Motor A 7 and motor B 13 are respectively fixed to motor connecting plate A 8 and motor connecting plate B 12 with bolts, and the motor shafts are concentric with the shaft of the winding drum 3.
[0016] Inner holes are arranged at the centers of both ends of the shaft of the winding drum 3, and the motor shafts of motor A 7 and motor B 13 are respectively inserted into the inner holes and fixed by key connections.
[0017] Motor backing plate A 5 and motor backing plate B 15 are respectively arranged under motor A 7 and motor B 13, and are respectively pressed and fixed to the installation base 1 with n - shaped motor pressing plate A 6 and motor pressing plate B 14.
[0018] When the motor A7 and the motor B13 are working, the rotation directions of their motor shafts are opposite.
[0019] Advantages of the present utility model: During operation, the rotation directions of the two motors are opposite, and the output torque is equal to the sum of the output torques of the two motors, achieving the purpose of using two small motors to output large torque.
[0020] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A dual-motor torque accumulation mechanism for a strength training machine, characterized in that: It includes an installation base, a wire winding device, and a power device; the wire winding device includes a wire winding cylinder and a wire winding cylinder fixing frame. Circular wire blocking plates are provided at both ends of the wire winding cylinder, a wire winding cylinder shaft is arranged at the center of the wire winding cylinder, bearings A and B are respectively installed on the wire winding cylinder shaft, bearings A and B are respectively installed on the wire winding cylinder fixing frame A and the wire winding cylinder fixing frame B, the wire winding cylinder fixing frame A and the wire winding cylinder fixing frame B are fixed to the middle of the installation base with bolts, and a pulling rope is wound around the middle of the wire winding cylinder; the power device includes motor A, motor B, motor connecting plate A, and motor connecting plate B. The motor connecting plates are all rectangular metal plates with through holes in the middle, and are respectively fixed to the sides of the wire winding cylinder fixing frame A and the wire winding cylinder fixing frame B with bolts. Motor A and motor B are respectively fixed to the motor connecting plate A and the motor connecting plate B with bolts, and the motor shafts are concentric with the wire winding cylinder shaft.
2. The dual-motor torque accumulation mechanism of a strength training machine according to claim 1, wherein: Inner holes are provided at the centers of both ends of the wire winding cylinder shaft, and the motor shafts of motor A and motor B are respectively inserted into the inner holes and fixed by key connections.
3. The dual-motor torque accumulation mechanism of a strength training machine according to claim 1, characterized in that: Motor pads A and B are respectively arranged under motor A and motor B, and are respectively pressed and fixed to the installation base with n-shaped motor pressing plates A and B.
4. The dual-motor torque accumulation mechanism of a strength training machine according to claim 1, characterized in that: When motor A and motor B work, the rotation directions of the motor shafts are opposite.