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Rotary joint locking device

A technology of rotary joints and locking devices, which is applied in the direction of manipulators, manufacturing tools, joints, etc., can solve problems such as excessive load at the end of the mechanical arm, failure of the locking mechanism, complex structure of the electric locking rotary joint, etc., and achieve broad application prospects , Solve the effect of locking failure

Active Publication Date: 2014-09-10
SHANDONG KANGTAI INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of this electric locking rotary joint is complicated, and the locking of the joint is also achieved by friction. If the load at the end of the mechanical arm is too large, when the force acting on the joint is greater than the frictional force, the locking mechanism will fail.
[0004] The above-mentioned rotating joint locking mechanism locks the joint through friction. This locking method requires that the load on the rotating joint should not be too large, otherwise, when the force generated at the rotating joint is greater than the friction force of the locking mechanism, will cause the locking mechanism to fail

Method used

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Embodiment Construction

[0015] The specific embodiments of the present invention are given below with reference to the accompanying drawings, which are used to further describe the present invention.

[0016] The rotary joint locking device of the present invention refers to the attached Figure 1-3 , including a rotary joint mechanism and a locking mechanism, the rotary joint mechanism includes a support 1 , a pinion 2 , a large gear 3 , a rotating shaft 6 , a copper sleeve 7 , and a motor 8 . A motor 8 is installed on the supporting member 1, and the two ends of the rotating shaft 6 are installed on the supporting member 1 through two copper sleeves 7. The coaxial large gear 3 is arranged on the rotating shaft 6, and the output shaft of the motor 8 is provided with The coaxial pinion 2, the bull gear 3 and the pinion 2 are meshed for transmission. The motor 8 drives the rotating shaft 6 to rotate through the deceleration of the bull gear 3 and the pinion 2 . A massage device is connected and fixe...

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Abstract

The invention relates to an electromagnetic locking device, in particular to a rotary joint locking device of a massage hand, belonging to the technical field of a massage device. The rotary joint locking device comprises a rotary joint mechanism and a locking mechanism for controlling the movement of the rotary joint mechanism. According to the rotary joint locking device, an electromagnetic lock is utilized for pinning a conical pin shaft into a positioning hole on a large gear at a joint to lock the joint. By adopting the locking mode, the locking mode of the existing joint locking mechanism for realizing joint locking by means of friction is changed and the problem of locking failure in the existing locking mechanism is solved.

Description

technical field [0001] The invention relates to an electromagnetic locking device, in particular to a rotating joint locking device of a massage hand, belonging to the technical field of massage devices. Background technique [0002] At present, there are existing rotating joint locking devices, such as the joint locking mechanism of the mechanical arm disclosed in Patent No. 01229822.0. The end shaft is equipped with an electromagnetic clutch. The half clutch with electromagnetic coil, armature and stator is fixed to the shaft seat, and the half clutch with the moving plate is fixed to the end shaft. The stator and the moving plate are arranged alternately and stacked. Closed to the surface of the armature, the armature is provided with a spring that frictionally engages the fixed and moving plates and brakes the moving plates. When the electromagnetic clutch is de-energized, the fixed and moving pieces are frictionally combined under the action of the spring and the armat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25J17/00
Inventor 康正康义开王伟生
Owner SHANDONG KANGTAI INDAL
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