49results about How to "Will not block the line of sight" patented technology

The invention discloses a navigation method and device based on a mobile terminal and a rearview mirror vehicle traveling recorder. The navigation device includes the rearview mirror vehicle traveling recorder used for communication connection with the mobile terminal having a navigation function; the rearview mirror vehicle traveling recorder is provided with a back-clamping type structure; the rearview mirror vehicle traveling recorder also includes a wireless connection module, an MCU processor, a display screen, a power amplifier and a loudspeaker; the wireless connection module can be connected with the mobile terminal and receive navigation data sent from the mobile terminal; the MCU processor connected with the wireless connection module is used for processing the navigation data received by the wireless connection module, controls the display screen to display navigation and controls the loudspeaker to broadcast navigation after processing; the display screen is connected with the MCU processor; the power amplifier is connected with the wireless connection module; the loudspeaker is connected with the power amplifier. In the process of vehicle traveling, mobile phone navigation is fully utilized, the advantage of smartphone real-time navigation (free) is fully enjoyed, and the problems that the mobile phone is small in navigation sound and small in screen are perfectly solved.

The invention discloses an electric power measurement teaching device, which comprises an electric power measurement device, and further comprises a display panel which is vertically arranged, whereina mounting plate is arranged at the bottom of each electrical element of the electric power measurement device, and the electrical elements are fixed to a same display side of the display panel by virtue of the mounting plates; mounting holes are distributed in the display panel; pin columns are arranged at the upper sides of the mounting plates, and notches, in which the mounting holes can be clamped, are arranged in the pin columns; magnets are embedded in the mounting plates; and the display panel is a metal plate or a magnetic insulating plate. According to the electric power measurementteaching device provided by the invention, teaching can be demonstrated through plane development of the electric power measurement device, and the electric power measurement teaching device is well organized in circuit layout, convenient for students in understanding and practicing and capable of overcoming student learning psychology of feeling deep and afraid of measurement device technology; meanwhile, sight lines of students can be prevented from getting sheltered, and coherent and ordered classroom teaching can be guaranteed, so that teaching efficiency and quality are effectively improved; and in addition, in accordance with structures of different measurement devices, arrangement positions and wiring modes of electrical elements on the measurement devices are variable, and the measurement teaching device is simplified.

The invention discloses a portable speech content shooting and recording device based on optical zooming. The device comprises an image acquisition device and at least one mobile terminal. Each mobileterminal is in communication connection with the image acquisition device and controls the image acquisition device to acquire video images meeting requirements. The image acquisition device transmits the acquired video image to the mobile terminal for storage. The image acquisition device comprises variable-focus image acquisition equipment, a control system of the image acquisition equipment and a supporting structure for supporting the image acquisition equipment. The image acquisition device is fixedly connected with the control system, the control system is in communication connection with the mobile terminal, and the image acquisition device is movably connected with the supporting structure. According to the device, the problem that a user needs to lift a mobile phone irregularly to take pictures or record videos in a conference in the prior art can be solved, the two hands of the user are liberated, and clear video images can be obtained more effectively.

The invention relates to a cutting-off tool which is provided with an arc-shaped tool body and a tool handle, wherein the tool body and the tool handle are integrated. A bend which is integrated with the tail portion of the tool handle is arranged at the tail portion of the tool handle. The cutting-off tool is characterized in that a first handle and a second handle cover the periphery of the tool handle, the first handle and the second handle are oppositely combined, the inner side face of the first handle and the inner side face of the second handle are oppositely combined, the upper end of the first handle and the upper end of the second handle are in close fit and fixed through a straining ring, the bend is located on the lower side of the lower end of the first handle or the lower side of the lower end of the second handle, a first groove is formed in the inner side face of the first handle, a second groove is formed in the inner side face of the second handle, the tool handle is arranged in the first groove and the second groove, a plurality of first convex ribs are arranged on the outer side face of the first handle, and a plurality of second convex ribs are arranged on the outer side face of the second handle. The cutting-off tool has the advantages of being simple in structure, high in safety, long in service life and the like.

The invention discloses an aircraft engine fan blade cleaning and lubricating system which comprises a blade storage vehicle and cleaning and lubricating equipment arranged on one side of the blade storage vehicle, a storage device is arranged on the upper surface of the blade storage vehicle, and a positioning mechanism is arranged on the lower surface of the blade storage vehicle; according to the invention, through the storage device on the blade storage vehicle, disassembled engine blades can be conveniently conveyed to an explosion-proof workshop and can be automatically cleaned, detected and lubricated after being in butt joint with cleaning and lubricating equipment, positioning guide rails are arranged on the blade storage vehicle, butt joint with a cleaning and lubricating device is facilitated, and the overall height of the storage vehicle is low; sight of an operator will not be and meanwhile, the industrial robot is used for grabbing the blades to an operation area, the automatic cleaning, detecting and lubricating operation procedures can be achieved, the system is higher in automation degree and better in cleaning and lubricating effect, manpower can be effectively liberated, the operation quality and efficiency can be improved, and better guarantee is provided for engine flight safety.

The invention discloses a rearview system of an automobile. The system is provided with cameras which are fixed on rearview mirrors on the two sides of the automobile and used for collecting image information of the road condition on the rear side of the automobile, an image information is output by the cameras to display screens in the automobile for displaying, the lower edge of a sunshade plateabove a driver's seat of the automobile is hinged to a support plate, the two sides of the support plate are hinged to the display screens opened toward the two sides respectively, the display screenon the left side of the support plate is used for displaying the image information collected by the camera on the left side of the automobile, and the display screen located on the right side of thesupport plate is used for displaying the image information collected by the camera on the right side of the automobile. The system has the advantages that the structure is simple, the system is convenient to use, the line of sight can not be blocked, and storage is convenient to achieve when the system is not in use.

The invention relates to a machining technology of a large holding clamp on an electro-hydraulic hammer, and belongs to the technical field of machining of large holding clamps on electro-hydraulic hammers. The technology comprises the following steps that (1) a blank is selected, and the blank is placed on a sawing machine to be subjected to rough machining; (2) the blank is placed in a heating furnace to be preheated; (3) the blank is subjected to primary heating, then primary heat preservation is carried out, and then the blank is subjected to upsetting; (4) the blank obtained after upsetting is subjected to secondary heating, then secondary heat preservation is carried out, and then the blank is drawn; (5) the blank obtained after upsetting is subjected to tertiary heating, then tertiary heat preservation is carried out, and then the blank is subjected to bend forging; and (6) the blank is subjected to quartus heating, then quartus heat preservation is carried out, the blank is cooled in the furnace till the temperature ranges from 550 DEG C to 600 DEG C, and then the blank is discharged out of the furnace for air cooling till the room temperature is achieved. The large holding clamp on the electro-hydraulic hammer saves raw materials and is not prone to being broken off, good in product quality and good in holding-on performance.

The invention belongs to the field of plant cultivation, and particularly relates to a landscape tree shape cultivation method for a fraxinus chinensis street tree. The method comprises the steps of cultivation of a trunk, cultivation of skeleton branches and cultivation of a crown shape. According to the method, a current annual cultivation method is adopted for the early tree shape cultivation of a fraxinus chinensis sapling, continuous shape cultivation of 4-6 years is conducted, and therefore the fraxinus chinensis tree is full and attractive in crown shape, neat in plant shape and beautiful in posture. By means of the tree shape cultivation method, the reasonable crown structure is kept, all stages of branch structures are distinct in layer, the overall tree potential is balanced andstable, and the stability of the fraxinus chinensis tree in strong storm and rain can be enhanced. By means of the method, dense branches and thin and weak branches are timely removed, the density ofthe branches is consistent, the side branches are evenly distributed, the interior of the crown is ventilated and is pervious to light, the leaves are dark green and luxuriant, and the occurrence of diseases and pests of the fraxinus chinensis tree is reduced.

The invention relates to a test tube rack for hematology department, in particular to an easy-to-use test tube rack for hematology department. The technical problem of the present invention is to provide an easy-to-use test tube rack for hematology department that is easy to use and can reduce the workload of medical staff. The technical embodiment of the present invention is: an easy-to-use test tube rack for hematology department, including a base, universal wheels, rollers, a large support plate, a large guide plate, a large pallet, a first lifting rod, a second A screw, a second lifting rod, a second screw, an inverted concave plate, etc.; the left end of the bottom of the base is connected with a universal wheel, the right end of the bottom of the base is connected with a roller, and the top of the base is connected with a large support plate. An easy-to-use test tube rack for hematology department provided by the present invention can conveniently clamp and fix the blood collection test tube without blocking the sight of the medical staff, and is convenient for the medical staff to observe the blood in the blood collection test tube. Reduce the workload of medical staff.

The invention discloses a range hood. The range hood comprises a box assembly, a full screen, a driving mechanism and a driving assembly, wherein the box assembly is provided with an air inlet; the full screen is used for opening and closing the air inlet; the driving mechanism is mounted on the box assembly, and the full screen is mounted on the driving mechanism; the driving mechanism comprisesa sliding groove assembly and a connecting rod assembly, the sliding groove assembly is arranged on the box assembly and is provided with a first sliding groove and a second sliding groove; the connecting rod assembly is fixed to the full screen and is provided with a first sliding part matched with the first sliding groove and a second sliding part matched with the second sliding grove; the driving device is connected with the connecting rod assembly and is used for driving the connecting rod assembly to enable the first sliding part and the second sliding part to slide in the first sliding groove and the second sliding groove to ascend, descend and turn over the full screen. The range hood provided by the embodiment of the invention has the advantages that the overall structure consistency is good, the appearance is attractive, the sight of a user cannot be blocked in the using process, the user cannot be hindered in space, and user experience is good.

The invention provides a lower limb orthosis for rehabilitation treatment. The lower limb orthosis comprises n-shaped front supporting legs, side beams and rear supporting legs which are sequentially connected, a fixing beam is connected between the two front supporting legs, sliding rails are arranged at the bottoms of the two side beams in the length direction of the side beams, long-strip-shaped curtain edges capable of being pulled open or folded are slidably connected into the sliding rails, and hemp ropes which are uniformly distributed in the length direction of the curtain edges are arranged between the two curtain edges; when the curtain edges are pulled open, the hemp ropes are spread in the length direction of the curtain edges to form a chair surface with spaced gaps; and when the hemp ropes form the chair surface, a height difference exists between every two adjacent hemp ropes, and when the curtain edges are folded, the hemp ropes are gathered together to form a rope bundle.

The invention provides a multi-functional welder's mask, which relates to the field of electric welding, in order to solve the problem that when the existing welder's mask is in use, the splashed high-temperature welding slag is likely to cause damage to black glass or transparent glass, and the protective lens is usually fixed by embedding. , it is not easy to replace it, and the mask needs to be removed when some welding is completed for inspection, and it will take a lot of time to wear the mask repeatedly. In addition, there is a lot of dust in the welding workshop, and the protective lens is easily polluted, blocking the operator's sight. It includes a protective mask; a turret is provided in the middle of the front end of the protective mask; the turret is a rectangular frame structure, and the front and rear sides of the turret frame are provided with mounting splints. In the present invention, since the first splint and the second splint are equipped with wiping cotton on the opposite inner sides, and the wiping cotton is in close contact with the tempered glass and black glass, the wiping cotton is used to wipe the toughened glass and black glass during movement, thereby effectively ensuring Cleaning of protective lenses.