Mechanical buffering and limiting device
A limit device and mechanical technology, applied in the direction of mechanical equipment, brake type, non-rotational vibration suppression, etc., can solve the problems affecting the measurement accuracy of the photoelectric theodolite, the shafting accuracy damage, etc., to achieve simple and reliable structure, ensure accuracy, and facilitate implementation Effect
Inactive Publication Date: 2014-07-16
INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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Problems solved by technology
When the kinetic energy of the pitching axis is large, the latter will damage the accuracy of the axis, thereby affecting the measurement accuracy of the photoelectric theodolite
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[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0021] Such as figure 1 As shown, the set of mechanical buffer limit devices provided by the present invention includes a pitch axis rotation shaft 1, a column 2 supporting the rotation shaft, a two-way bumper 3, a single-head spring buffer 4, a double-head spring buffer 5; Block 3 is fixedly connected to the rotation axis 1 of the pitch shaft system through screws (the identification number is not given in the figure), and two single-head spring buffers 4 and two double-head spring buffers 5 are installed on the support pitch shaft according to the limit angle position On the end face of the column 2 of the system, at the positions of two limit angles, one end of the two-way collision block 3 hits a single-head spring bu...
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The invention relates to a mechanical buffering and limiting device. The mechanical buffering and limiting device comprises a pitch shafting rotary shaft, a stand column supporting the rotary shaft, a bidirectional collision block, single-end spring buffering pieces and double-end spring buffering pieces, wherein the bidirectional collision block is fixedly connected with the pitch shafting rotary shaft through a screw, the two single-end spring buffering pieces and the two double-end spring buffering pieces are installed on the end face of the stand column supporting a pitch shafting according to the positions of limiting angles, and at the positions of the two limiting angles, one end of the bidirectional collision block is made to strike one single-head spring buffering piece, the other end of the bidirectional collision block is made to strike the double-end spring buffering piece which is arranged on the stand column supporting the rotary shaft, the included angle between the single-end spring buffering piece stricken by one end of the bidirectional collision block and the double-end spring buffering piece stricken by the other end of the bidirectional collision block is 180 degrees in the circumferential direction, and thus a moment of couple is formed to buffer the rotation of the pitch shafting rotary shaft. The mechanical buffering and limiting device is suitable for safety protection of the rotary pitch shafting of a photoelectric theodolite. According to the mechanical buffering and limiting device, the rotation of the rotary shaft is prevented through the moment of couple, impact to the pitch shafting is avoided, and the rotation precision of the pitch shafting is guaranteed.
Description
technical field [0001] The invention relates to the safety protection of the pitching and rotating shaft system of a photoelectric theodolite, specifically a mechanical buffering and limiting device. Background technique [0002] When the pitching axis of the photoelectric theodolite is out of control, in order to ensure the rotation accuracy of the pitching axis of the photoelectric theodolite and the safety of the photoelectric detection equipment mounted on it, a device is required to buffer and brake the high-speed rotating shaft of the pitching axis. The current mechanical limit measure is to fix a one-way impact block on the rotation axis of the pitch shaft system, and install a spring buffer device on the end face of the column supporting the rotation axis according to the limit angle (usually -5° and +185°). , to realize the buffer braking protection of the photoelectric theodolite pitching axis. Since the position of buffer impact in this structural device deviates...
Claims
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IPC IPC(8): F16D71/00F16F15/04
Inventor 杜俊峰温正明宋志军王中科张孟伟
Owner INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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