High-bearing long-stroke positioning and locking mechanism
A positioning locking, long-stroke technology, applied in the direction of mechanical equipment, hoisting devices, transmission devices, etc., can solve the problems of locking mechanism screw length limitation, unreliable locking, small locking stroke, etc., to achieve improved locking The effect of length, large vibration magnitude, and increased number of helical turns
Pending Publication Date: 2022-07-01
JIUJIANG JINGDA MEASUREMENT TECH
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Problems solved by technology
The traditional locking mechanism uses a part of the spiral on the top of the worm wheel to lift, which is limited by the rotation envelope of the rotating inertial component, so that the length of the spiral of the locking mechanism is limited (generally, the effective spiral is 2--3 turns), resulting in lock The tightening stroke is small, and the positioning and locking mechanism cannot bear the heavy mechanical environment, otherwise it cannot be locked reliably
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[0019] The present invention will be described in further detail below in conjunction with the embodiments and with reference to the accompanying drawings.
[0020] A high-loading and long-stroke positioning and locking mechanism, comprising a base body 1, a driving mechanism 2, a screw lifting mechanism 3, a guiding mechanism 4, a lower toothed plate 5, an upper toothed plate 6, a positioning limit mechanism 7, a motor assembly 8 and In the control system, the lower chain plate 5 is an annular disk with side ears 51 on the left and right sides and the edge is provided with end teeth, and the upper chain plate 6 is an annular disk with end teeth on the edge, which is installed on the upper part of the rotating part that needs to be locked. The chainring 6 is arranged above the lower chainring 5, and the end teeth at the bottom of the upper chainring 6 can mesh with the end teeth on the top of the lower chainring 5; in the middle of the base body 1, there is a vertical hollow ba...
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The invention discloses a high-bearing long-stroke positioning and locking mechanism which comprises a base body, a driving mechanism, a spiral lifting mechanism, a guide mechanism, a lower fluted disc, an upper fluted disc, a positioning and limiting mechanism and a motor assembly. The lower fluted disc is arranged at the upper end of the base body, and the driving mechanism for driving the lower fluted disc is installed in the base body; a spiral lifting mechanism is installed in the driving mechanism, and the motor assembly transmits power to drive the driving mechanism and the spiral lifting mechanism to achieve meshing and separation of the lower fluted disc and the upper fluted disc. The length of the spiral part is increased in an inner spiral mode, the working locking length of the locking mechanism is increased, the purpose of long stroke is achieved, meanwhile, the number of effective spiral turns is increased, the bearable vibration magnitude is increased, and the mechanical environment adaptability is improved; lifting of the upper fluted disc is achieved through the spiral lifting mechanism, the lifting worm gear and the lifting worm, the high bearing capacity is achieved, and high locking and positioning precision is achieved through the good meshing precision of the upper fluted disc and the lower fluted disc.
Description
technical field [0001] The invention relates to a positioning and locking mechanism, which is a high-loading and long-stroke positioning and locking mechanism capable of withstanding large vibration and strong impact mechanical environment. Background technique [0002] The positioning and locking mechanism is an electromechanical mechanical positioning and locking device. It is composed of a pair of upper and lower end gears (end toothed discs) with the same diameter, number of teeth and tooth shape. The tooth shape is trapezoidal. When the teeth of the two toothed discs enter When engaged, they are self-centering and can achieve very good positioning accuracy. When in use, the upper chainring is generally fixed on the rotating inertial component, and the lower chainring is lifted up by the screw lifting structure to engage with the upper chainring, so as to achieve the positioning and locking function of the rotating inertial component, thereby improving the benchmark; the...
Claims
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IPC IPC(8): F16H37/12F16H55/17F16H35/00
CPCF16H37/124F16H35/00F16H55/17F16H2035/006
Inventor 郭志王飞任梦晴王晓卿程扬柯四十陈先梅
Owner JIUJIANG JINGDA MEASUREMENT TECH