Clamping mechanism and mechanical arm
A clamping mechanism and clamping arm technology, applied in the directions of manipulators, claw arms, chucks, etc., can solve problems such as affecting the service life of the motor, and achieve the effect of prolonging the service life, reducing power consumption, and avoiding large energy consumption of internal circuits
Inactive Publication Date: 2021-01-15
UBTECH ROBOTICS CORP LTD
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Problems solved by technology
[0004] One of the purposes of the embodiments of the present application is to provide a clamping mechanism, which aims to solve the technical problem in the prior art that the motor needs to continuously output torque to ensure the clamping of the object to be clamped, which affects the service life of the motor
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[0030] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are intended to explain the present application, and should not be construed as limiting the present application.
[0031] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed, or operate in a particular orientation, and thus should...
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The invention is suitable for the technical field of clamping devices, and provides a clamping mechanism and a mechanical arm. The clamping mechanism comprises a driving part, a worm, a worm wheel, atransmission assembly and a clamping assembly, wherein the worm is mounted on an output shaft of the driving part, and the worm wheel is engaged with the worm and is in transmission connection to thetransmission assembly; and the transmission assembly is connected to the clamping assembly so as to drive the clamping assembly to clamp or loosen a to-be-clamped object under transmission of the wormwheel. According to reverse self-locking characteristics of the worm wheel and the worm, the torque transmission directions of the worm and the worm wheel are irreversible. When the driving part rotates till the clamping assembly clamps the to-be-clamped object, the clamping assembly cannot drive the worm wheel and the worm to rotate under the action of external force so as to loosen the to-be-clamped object. The clamping assembly can keep the locking state of the to-be-clamped object, and at the moment, the driving part can be in a power-down state to stop outputting the torque, the power consumption of the driving part is reduced to the maximum degree, phenomena that the driving part is heated seriously, overloaded and even burnt out are effectively avoided, so that the service life ofthe driving part can be prolonged.
Description
technical field [0001] The present application belongs to the technical field of clamping devices, and more specifically relates to a clamping mechanism and a mechanical arm. Background technique [0002] With the popularity of robotics, as an effective tool for non-professionals to learn robotics, desktop-level robotic arms have been widely used in the field of education. The end of the mechanical arm has a clamping mechanism for clamping the object to be clamped. The clamping mechanism usually adopts a spur gear transmission to amplify the torque continuously output by the motor, so as to realize the clamping work of the object to be clamped. [0003] According to the characteristics of the spur gear and transmission, the clamping mechanism is easy to loosen the object to be clamped under the action of external force. In order to ensure that the clamping mechanism clamps the object to be clamped more firmly, the motor needs to maintain a continuous output torque. However,...
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IPC IPC(8): B25J15/00B25J15/08B25J18/00
CPCB25J15/00B25J15/08B25J18/00
Inventor 赵波毛祖意
Owner UBTECH ROBOTICS CORP LTD