58results about How to "Guaranteed to be right" patented technology

The embodiment of the invention discloses a method and a device for controlling videoconferencing equipment, and a videoconferencing system. The videoconferencing equipment comprises a display and a camera which are relatively fixed, consistently face and connected with a motion mechanism. The method comprises the following steps of: acquiring face images of conferees recognized from conferencing place images, wherein the conferencing place images are picked up and provided by the camera; analyzing the face images and determining a deflection direction when the condition that the face positions of the conferees are deflected from a direction just facing the display and the camera, is judged by referring to the analytic result; and controlling the motion mechanism to drive the display and the camera to move to a position just facing the face positions of the conferees according to the deflection direction. With the adoption of the embodiment of the invention, various conferencing modes of the conferees are adapted through a manner that the work of the motion mechanism is controlled to move the display and the camera, a horizontal eye-to-eye effect can be guaranteed among the display, the camera and the conferees, and the conferencing place environment is dispensed with being changed.

The invention provides a method and a device for automatically assembling a blood blocking sleeve in a blood taking needle, belongs to the technical field of medical equipment, and solves the problem of low assembling efficiency of a conventional blood taking needle and a conventional blood blocking sleeve. The method for automatically assembling the blood blocking sleeve in the blood taking needle comprises the following processes of (a), loading of the blood blocking sleeve; (b), reversing of the blood blocking sleeve; (c), conveying of the blood blocking sleeve; (d), assembling of the blood blocking sleeve; and (e), blanking of a finished product. The device for automatically assembling the blood blocking sleeve in the blood taking needle comprises a blood blocking sleeve assembling platform, a hopper, a scraping bin, a conveying platform and a guide mold, wherein a trough is formed in the conveying platform; a vibrator is arranged at the bottom of the conveying platform; a blood blocking sleeve carrier is arranged below a discharging hole of the guide mold; a reversing mechanism is arranged at one end, close to the guide mold, of the conveying platform; a blanking mechanism and a conveying mechanism are arranged on the blood blocking sleeve assembling platform; a rotary mechanism is arranged above an assembling station; and a lifting driving mechanism is arranged on the assembling station. By the adoption of the method and the device, the blood blocking sleeve can be assembled accurately and efficiently.

The invention discloses a solar dual-axial following mechanism. The mechanism comprises a first fixing support, a height adjusting support, a moving support, a second fixing support, a rotary shaft which is arranged between the first fixing support and the second fixing support, a power mechanism which is connected to one end of the rotary shaft and a horizontal moving shaft which is arranged between the height adjusting support and the moving support, wherein the first fixing support, the height adjusting support, the moving support, the second fixing support, the rotary shaft, the power mechanism and the horizontal moving shaft are arranged in parallel and at intervals, the height adjusting support is connected to the ground through a height adjusting screw, the rotary shaft is connected to a plurality of solar photovoltaic panel supporting plates, the solar photovoltaic panel supporting plates are hinged with a solar photovoltaic panel, a hydraulic cylinder is installed on the height adjusting support, and the horizontal moving shaft is connected to the solar photovoltaic panel through a connecting rod mechanism and the rotary shaft. The mechanism is simple in structure, reasonable in design, convenient to implement, convenient to operate, good in expansion performance, practical, wide in market prospect and capable of aligning the solar photovoltaic panel to the sun at any time and improving the generating efficiency of the solar photovoltaic panel.

The invention discloses an angle adjusting mechanism for demonstration of a teaching projector and an application method thereof. The angle adjusting mechanism comprises a rotating box. A rotating column is rotatably connected to the bottom of an inner cavity of the rotating box, a worm wheel is fixedly connected to the surface of the rotating column, a first rotating rod is rotatably connected tothe left side of the inner cavity of the rotating box, a worm is fixedly connected to the surface of the first rotating rod, and the top of the worm wheel penetrates the rotating box. By rotating a second rotating block, the rotating angle of the rotating box can be adjusted by the mechanism. By rotating a turnplate, the height of the rotating box can be adjusted by the mechanism. By rotating a first rotating block, the horizontal displacement of the rotating box can be adjusted by the mechanism. By rotating a threaded pipe, the inclination angle of the rotating box can be adjusted, so that the adjusting range of the rotating box is further increased, it can be ensured that an image exhibited by the projector can be aligned with curtain cloth, the teaching demonstrating effect is improvedand the comfort of students watching the curtain cloth is improved, and therefore, the teaching effect is further improved greatly.

The present invention discloses a capacitor leg cutting machine with pin detection. The capacitor leg cutting machine comprises a first clamping walking device, a leg cutting machine, a PLC controller and a screening device. The first clamping walking device comprises an upper walking belt and a lower walking belt just under the upper walking belt, and both the upper walking belt and a lower walking belt are conveyor belts. Two belts in parallel space arrangement sleeve the transmission wheels of the lower walking belt, and a through slot is formed between the two belts. The leg cutting machine is under the upper belt surface of the lower walking belt. The walking device and the control end of the leg cutting machine are connected to the PLC controller. The upper walking belt is provided with a displacement sensor whose signal output end is connected to the upper walking belt. The capacitor leg cutting machine has the advantages that the screening device is arranged, defective capacitors are removed, and the tedious operation of checking by the staff is avoided.

The invention relates to a sunward solar energy stove for self-synchronizing solar motion. The sunward solar energy stove comprises an optical collector and a stove which is matched with the optical collector and is positioned at a focusing point of the optical collector, wherein the optical collector is arranged on a rotating tray by a pitching regulation rod and a support rod on the bottom; the stove is arranged on the rotating tray by a stove frame; the pitching regulation rod and the rotating tray are respectively provided with a stepping motor; a programming controller is arranged on the rotating tray and is connected with a storage battery and a solar energy photoelectric converter; a deflection controller is arranged on the stove frame so as to control the stove body away from the focusing point; and an idler wheel is arranged on the bottom of the rotating tray. The stove of the invention can automatically rotate by following the sun and a pitching angle of the optical collector is conveniently regulated so as to efficiently collect solar energy at any time. The stove can accurately follow the fun so as to receive the sunlight furthest. Compared with the prior art, the stove of the invention has the advantages of reasonable design, simple structure, easy processing, small volume, complete function, convenient use, energy saving, environmental protection, long use life and wide application.

The invention belongs to the technical field of guardrail production, and concretely discloses a spraying device for guardrail production. The spraying device comprises a spraying chamber, a fixing mechanism, a supporting mechanism and a power mechanism. The fixing mechanism comprises an installation plate, a fixed column, a rotary plate and multiple fixing units; multiple rotary teeth are arranged on the circumference of the installation plate; each fixing unit comprises two expansion blocks and two connecting rods; the expansion blocks are slidably connected onto the installation plate; oneends of the two connecting rods are hinged onto the different expansion blocks; the other ends of the two connecting rods are hinged onto a fixing rod; supporting units are arranged on the supportingmechanism and are arranged opposite to the fixing units; the power mechanism comprises a threaded rod and a motor; a sliding plate and a carrying plate are in threaded connection onto the threaded rod; a first spray head is fixed onto a sliding block; a straight rod is arranged on the carrying plate; a second spray head is fixed onto the straight rod; and a gear is fixed onto the threaded rod andis located above the installation plate. By using the spraying device, the problem that a surface of a guardrail component is nonuniformly sprayed can be effectively solved.

The invention discloses a block quick frozen product conveying line facilitating detection of block quick frozen aquatic products. The block quick frozen product conveying line comprises a workbench,a first motor, a second motor, photoelectric sensors, recognition equipment, hydraulic rods and a recovery box, side plates are fixedly mounted on the left side and the right side of the upper portionof the workbench, an auxiliary gear is mounted in the side plate on the right side of the workbench through a bearing, a master gear is connected to the lower portion of the auxiliary gear in a meshed mode, the master gear is connected with the workbench through a bearing, the first motor is fixedly connected to the left side of the master gear, a rolling roller is fixedly arranged on the left side of the auxiliary gear, and the rolling roller is connected with the side plates through bearings. According to the block quick frozen product conveying line facilitating detection of the block quick frozen aquatic products, subsequent screening and detecting are facilitated, the block quick frozen aquatic products can be prevented from sliding forwards through a rubber plate on a crawler belt,the use effect of the conveying line is improved, the block quick frozen aquatic products can be arranged in order through a side support and an intermittent transmission mechanism, and the practicality of the conveying line is improved.

The invention discloses an all-dimensional detection system and method for an automobile shaft component. The system comprises a camera motion module, a shaft component clamping module, a detection module, a calculation module and a control module; the calculation module conducts slice contour calculation on a data model of the shaft component, equal-interval sampling point calculation is carriedout on a slice contour line, and the normal direction of the surface position where a sampling point is located is calculated. A control unit drives the camera motion module and the shaft component clamping module, and the orientation of an image acquisition unit right faces the surface of a printed piece. By means of the system and method, all-dimensional full-automatic image acquisition is carried on the outer surface of the automobile shaft component, a normal vector of any point on the outer surface is calculated through a slice algorithm, and it is ensured that a camera always faces the outer surface of the component in the printing process.

The invention relates to the technical field of numerical control machine tools, particularly to a magazine tool protective cover of a numerical control machine tool, aims to solve the problems of inconvenient change of cutters in a numerical control machine tool cutter protective cover in the prior art and easy feeding of waste chips into the protective cover through a gap between the cutter andthe protective cover. The magazine tool protective cover of the numerical control machine tool is characterized by comprising a fixed cover and a fixed base; the fixed cover is positioned on one sideof the fixed base; a gap is formed in the front surface of the fixed cover; a cover plate is fixed at the external of the gap; a cutter outlet is formed in the bottom of the fixed cover; a connectinggroove is formed in the back surface of the fixed cover; a connecting plate is fixed on the back surface of the fixed cover; the connecting plate is positioned above the connecting groove; and a connecting hole is formed in the side, near the fixed cover, of the fixed base. The magazine tool protective cover of the numerical control machine tool is reasonable in structure, skillful in design and simple in operation, not only can conveniently change large ends in magazine tools, but also can effectively prevent waste chips or dust from entering the fixed cover to achieve an excellent protectingeffect on the magazine tools.

The invention relates to an anti-explosion keyboard, in particular to an anti-seepage, anti-deformation and anti-explosion keyboard which comprises a housing, a cover plate is arranged at an opening in the lower end of the housing, a circuit board is arranged in the housing, keys are further arranged on the housing and matched with the circuit board, a surface anti-seepage device is arranged outside the housing, and through the surface anti-seepage device, water and dust can be prevented from entering gaps between the keys and the cover shell from the upper surface, a good sealing effect is further achieved, a key anti-seepage device is arranged between the cover shell and the keys, a gap anti-seepage device is arranged between the cover shell and the cover plate, waterproof blocking can be formed, meanwhile, the deformation resistance strength of the edge of the cover plate can be improved, the protruding edges can form positioning in the installation process, then it is guaranteed that the cover plate and the cover shell are right opposite in position, an anti-seepage supporting device is arranged at the lower end of the cover plate, the keyboard can be separated from the platform, then water can be prevented from entering the cover shell from a gap between the cover plate and the cover shell, and the anti-seepage purpose is achieved.

The invention discloses a synchronous rapid replacement stainless steel container forming die, and belongs to the technical field of stainless steel container stamping dies. A plurality of upper dies (6) are installed on an upper rotating frame (5), and the upper dies (6) are arranged around a rotating shaft of the upper rotating frame (5) at intervals; a plurality of lower dies (9) are installed on a lower rotating frame (10), and the lower dies (9) are arranged around a rotating shaft of the lower rotating frame (10) at intervals; and a transmission mechanism is connected with the upper rotating frame (5) and the lower rotating frame (10) at the same time, so that the upper rotating frame (5) and the lower rotating frame (10) rotate synchronously. As the upper rotating frame and the lower rotating frame rotate synchronously, it is guaranteed that the paired upper dies and lower dies directly face each other to realize bulging of stainless steel round pipes; and it is only needed to enabling the upper rotating frame or the lower rotating frame to rotate during die replacement, so that die replacement is convenient and fast, and bulging of the stainless steel round pipes is facilitated.

The invention belongs to the technical field of 3D printers, and discloses a printing material interruption detection device for a 3D printer. The printing material interruption detection device comprises a detection pipe, wherein an infrared emitter and an infrared receiver are symmetrically installed on the two side walls of the detection pipe, a material guide pipe is installed inside the detection pipe, first through holes are symmetrically formed in the lower ends of the two side walls of the material guide pipe, first inserting grooves are symmetrically formed in the front end and the rear end of the inner wall of the detection pipe, and first inserting strips matched with the first inserting grooves are symmetrically fixed to the lower ends of the front wall and the rear wall of thematerial guide pipe. According to the printing material interruption detection device, by additionally arranging the first inserting grooves and the first inserting strips, when the material guide pipe is installed inside the detection pipe, the first inserting strips can be inserted into the first inserting grooves, the material guide pipe can be effectively limited and prevented from being dislocated, it is guaranteed that the first through hole right faces the infrared emitter and the infrared receiver, the accuracy of interruption detection is improved, and in addition, by additionally arranging a fastening assembly, the stability of the material guide pipe installed inside the detection pipe can be further improved.