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Rotary mechanism with mechanical limiting device
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A technology of mechanical limit device and slewing mechanism, applied in mechanical equipment, transmission parts, belt/chain/gear, etc., can solve the problems of complex structure and limited detection range, and achieve easy manufacturing, simple structure and reliability. high effect
Active Publication Date: 2013-12-11
HARBIN INST OF TECH
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Problems solved by technology
[0004] The purpose of the present invention is to solve the problem that the rotation angle detection device in the existing slewing mechanism has complex structure and limited detection range
Method used
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specific Embodiment approach 1
[0012] Specific implementation mode one: combine Figure 1-Figure 4 Describe this embodiment, this embodiment includes a rotary body, the rotary body includes a rotary body output flange 13, a rotary body base 16 and a rotary body output shaft 17, and the rotary body output shaft 17 is rotatably arranged on the rotary body base 16 Above, the output flange 13 of the rotary body is set on the output shaft 17 of the rotary body through bolts. 7. Pretension tension spring 8, mechanical limit pendulum 9, mechanical limit shaft 12, two sets of measuring components and four magnetic steels 26, mechanical limit device base 2 is arranged on the rotary body base 16, mechanical limit The position swing shaft 7 is arranged on the mechanical limit device base 2, the mechanical limit swing rod 9 is arranged on the mechanical limit swing shaft 7, and the pretension tension spring 8 is vertically arranged on the upper end of the mechanical limit device base 2 and The lower end of the mechani...
specific Embodiment approach 2
[0020] Specific implementation mode two: combination figure 1 Describe this embodiment, the slewing mechanism of this embodiment also includes rotation angle detection stator 21 and rotation angle detection rotor 22, rotation angle detection stator 21 is arranged in the rotation body output shaft 17, and is fixed on the rotation body base 16, rotation angle detection rotor 22 It is installed in the rotation angle detecting stator 21 .
[0021] Such setting facilitates the detection of the ±330° movement range of the slewing mechanism. Other compositions and connections are the same as in the first embodiment.
[0022] The stator 21 of the rotation angle detection device is fixed on the base 16 of the rotary body through screws 19 .
[0023] The rotor 22 of the rotation angle detection device is fixedly mounted on the output shaft 17 of the rotary body through screws 18 .
specific Embodiment approach 3
[0024] Specific implementation mode three: combination figure 1 To describe this embodiment, the slewing mechanism of this embodiment further includes a plurality of ball bearings 14 , and the plurality of ball bearings 14 are arranged in parallel on the output shaft 17 of the slewing body.
[0025] With such setting, the transmission is smooth and the operation is stable. Other compositions and connections are the same as those in the second embodiment.
[0026] The two sliding bearings 3 used to support the mechanical limit swing shaft 7 in this embodiment can be replaced by rolling bearings as required.
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Abstract
The invention provides a rotary mechanism with a mechanical limiting device, which relates to one rotary mechanism and aims to solve the problems that a rotary angle detection device in an existing rotary mechanism is complicated in structure and limited in detection ranged. According to the rotary mechanism with the mechanical limiting device, an output shaft of a rotary body is rotatably arranged on a rotary body base; an output flange of the rotary mechanism is arranged on the output shaft of the rotary body by a bolt; a mechanical limiting device base is arranged on the rotary body base; a mechanical limiting swinging shaft is arranged on the mechanical limiting device base; a mechanical limiting swinging rod is arranged on the mechanical limiting swinging shaft; a pre-tightening tension spring is vertically arranged on the mechanical limiting device base and the mechanical limiting swinging shaft; the mechanical limiting swinging shaft is fixedly arranged on the output flange of the rotary mechanism; four pieces of magnetic steel are arranged on the mechanical limiting swinging rod symmetrically from left to right; two sets of measuring assemblies are arranged on the two sides of the mechanical limiting device base respectively. The invention is used for the rotary mechanism.
Description
technical field [0001] The invention relates to a rotary mechanism, in particular to a rotary mechanism with a mechanical limit device. Background technique [0002] The slewing mechanism is a key component in many equipments and the core to ensure the normal operation of the mechanism. The detection devices for the rotation angle of the slewing mechanism usually include photoelectric encoders, resolvers, magnetic encoders, etc., but these devices usually only perform single-turn detection and cannot detect motion ranges exceeding ±350°. In order to realize the detection of a large range of motion, it is necessary to install other auxiliary devices on the detection device, such as a gear reducer plus a position detection device, or by adding an auxiliary circuitsystem with battery power to store the current position to achieve the range of motion. extension. For the slewing mechanism with limited rotation angle, it is necessary to install a set of mechanical limit device ...
Claims
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Application Information
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