43results about How to "Implement position detection" patented technology

The invention discloses a thread shearing mechanism and method. The thread shearing mechanism comprises a working table, a feeding device and a thread shearing device. The feeding device comprises a feeding platform and a feeding assembly, wherein the feeding platform and the feeding assembly are arranged on the working table, and the feeding assembly is used for driving cut-parts to move along the feeding platform; the thread shearing device comprises a thread shearing base, a thread shearing platform, a thread shearing detection component, a thread shearing device body and a thread shearingdriving component; the thread shearing base is arranged on the working table, the thread shearing platform is movably connected to the thread shearing base, the thread shearing driving component is used for driving the thread shearing platform to move, a thread shearing support is connected to the thread shearing platform, the thread shearing detection component comprises a first detection elementand second detection elements which are arranged on the thread shearing support, detection intervals are formed between the first detection element and the second detection elements, the thread shearing device body is arranged on the thread shearing platform and located between the detection intervals in the vertical direction, and the thread shearing device body is used for shearing fishing threads on the cloth pieces. The thread shearing mechanism is high in thread shearing.

The invention discloses an optical position detection device. The device comprises a detection light source as well as a diaphragm, a projection lens group, an imaging magnifier group and a detector arranged along the imaging optical path of the detection light source successively, the detection light source is a point or line light source, the projection lens group input a light beam from the diaphragm to the to-be-measured surface of a workpiece in certain inclination angle, and the imaging magnifier group carriers out secondary amplifying imaging on a reflection light beam of the to-be-measured surface and then input the light beam to the detector. The invention also discloses an optical position detection method. According to the detection device and method, an independent imaging optical path is used, the edge contour is clearer, the detection precision is higher, the inclined input manner with different angles is used, the spatial position occupied by other optical paths can be avoided, the device is simple and reliable, the cost is low, position change in the surface of the workpiece can be amplified by 30-160 times, and submicron order position detection can be realized.

The invention discloses a mine car positioning and detecting system used for a tracked mine car. The system comprises a central control unit (1) and multiple car detection units (2) sequentially arranged along tracks of the tracked mine car, each car detection unit (2) comprises a detection processor (21), an amplifying circuit (22) and multiple geomagnetic disturbance sensors (23), the geomagnetic disturbance sensors (23) are sequentially arranged along the tracks of the tracked mine car and connected with a detection processor (21) through the amplifying circuits (22) respectively, and the detection processor (21) of each of the car detection units (2) is connected with the central control unit (1) through a network respectively. The mine car positioning and detecting system used for the tracked mine car has the advantages of accuracy and reliability in detection, simplicity and convenience in use, needless of excitation and low using cost.

The invention discloses a motion position detection mechanism including a fixed frame for being fixed on either one of a moving part and a moving track; a roller rotating shaft which is fixed on the fixed frame in a rotatable way; a roller which is fixed on the roller rotating shaft; and a position sensor which is connected with the roller rotating shaft and rotates under the drive of the roller rotating shaft and outputs a position signal of the moving part. And the surface of the roller is used for contacting the surface of the other of the moving part and the moving track; when the moving part moves, friction is generated on the contact surfaces of the roller and the other of the moving part and the moving track; and the roller rolls under the action of the friction and drives the roller rotating shaft to rotate. The invention also discloses the X-ray imaging device. The motion position detection mechanism makes use of the rolling friction when the moving part moves so that the roller which is fixed on the position detection mechanism is capable of rotating, and then the rotation of the roller is transmitted to the position sensor so that position detection of the moving part is realized.

The invention discloses a method using a static electricity supporting type differential capacitance method to measure three-dimensional acceleration. The method uses liquid substances as a sensitive mass body, adopts a regular hexahedron structure, detects the deformation and location changes of liquid through the differential capacitance method, and measures the three-dimensional acceleration through using electrostatic force to balance inertia force. According to the method, liquid is used as the sensitive mass body, so that normal work can be restored after large impact or high overload; the static electricity supporting technology is adopted, and the electrostatic force and the inertia force are in linear relation, so that the method has the advantages of being high in sensitivity, wide in scaling range, and the like.

The invention discloses a method of detecting ball grooves of a waveform surface of a shift swing rod. A measuring tool comprises a base plate, a positioning shaft, a first supporting block, a lining, a positioning pin, a second supporting block, measuring blocks, and a cover plate. The method comprises the following steps: 1) sleeving the positioning shaft with a spindle sleeve of a shift swing rod, and make the first ball groove of a waveform surface of the shift swing rod face the positioning pin; 2) enabling the right end of the positioning pin to press against the first ball groove of the waveform surface; 3) controlling the first measuring block to move leftwards to check whether a clamping groove in the left end of the first measuring block can clamp a ball head; 4) controlling the positioning pin to loosen the shift swing rod so that the second ball groove of the waveform surface of the shift swing rod faces the positioning pin; 5) enabling the right end of the positioning pin to press against the second ball groove of the waveform surface waveform surface; and 6) controlling the second measuring block to move leftwards to check whether a clamping groove in the left end of the second measuring block can clamp a ball head. The method can detect the positions of the two ball grooves of the waveform surface of the shift swing rod, is simple, fast and labor-saving to operate, and provides an accurate and reliable detection result.

A position detection apparatus and method, the position detection apparatus comprising: a hydraulic container configured to provide a hydraulic environment for a detected member; a position detection device, located in the hydraulic container and arranged to detect the position change of the detected part and generate a detection signal; a power device, connected with the hydraulic container and used for providing power for the detected piece; and a signal receiving device, connected with the hydraulic container and arranged to receive the detection signal generated by the position detection device. The position detection method is applied to the position detection equipment.