44results about How to "Implement automatic expansion" patented technology

The invention relates to a foldable display device. The foldable display device includes a foldable display screen, a shell and an unfolding mechanism, wherein the foldable display screen has a retracted state and an unfolded state; in the retracted state, the foldable display screen is taken in the shell, and in the unfolded state, at least part of the foldable display screen is unfolded outside the shell; the unfolding mechanism comprises a switch part and a driving part, wherein the driving part is connected with the foldable display screen, and the switch part controls the driving part to move so that the driving part can drive the foldable display screen to finish the retracted state. According to the scheme, the arrangement of the unfolding mechanism achieves the automatic unfolding of the foldable display screen, the automation degree of the foldable display device is improved, and the product quality is improved.

The invention discloses a fringe projection three-dimensional shape measuring method and device based on parallel four-color channels. The device comprises a computer, a visible light projector, an infrared projector, a 2CCD (charge coupled device) camera and a half-transparent and half-reflecting mirror, the computer is connected with the visible light projector, the infrared projector and the 2CCD camera, the visible light projector and the infrared projector are positioned on the same horizontal plane, the distance between the visible light projector and the half-transparent and half-reflecting mirror is as same as that between the infrared projector and the half-transparent and half-reflecting mirror, the half-transparent and half-reflecting mirror is perpendicular to the horizontal plane, and 45-degree included angles are formed between the half-transparent and half-reflecting mirror and an optical axis of the visible light projector and between the half-transparent and half-reflecting mirror and an optical axis of the infrared projector. According to the method, three fringe images of a red channel, a green channel and a blue channel are combined into a composite color image,the composite color image and an infrared image are projected, the 2CCD camera simultaneously acquires the composite color image and the infrared image, number of projected fringe images is decreased, a three-dimensional shape of an object can be acquired in a one-time measurement manner, and measurement is accelerated.

The invention discloses a boat, ground and vehicle combined monitoring method. Searching load equipment on a bag body of a moored boat is used for conducting region searching, tracking and recognizing load equipment on an unmanned aerial vehicle is used for conducting close tracking and recognizing on a target searched by the load searching equipment, and recognition results are sent back to a ground monitoring station. The invention further discloses a boat, ground and vehicle combined monitoring system which comprises the moored boat, the unmanned aerial vehicle, ground equipment and the load equipment. The ground equipment comprises a multifunctional truck and the ground monitoring station. The load equipment comprises the searching load equipment and the tracking and recognizing load equipment. The moored boat carries the searching load equipment for achieving long-term hover and region searching; the unmanned aerial vehicle carries the tracking and recognizing load equipment for achieving rapid departure and close investigation; and the multifunctional truck enables the moored boat, the unmanned aerial vehicle and the load equipment to be integrated, rapid and mobile deployment is achieved, and the ground monitoring station is used for achieving information fusion and commanding and coordinating work, so that a combined monitoring function of the boat, ground and vehicle combined monitoring system is achieved.

The invention provides a logistics transportation system, an unmanned aerial vehicle, a landing platform and a control method thereof. The unmanned aerial vehicle is landed and stopped on the landingplatform, a first bracket in the unmanned aerial vehicle is in contact with the first side of a first push plate in the landing platform, and a second bracket in the unmanned aerial vehicle is in contact with the first side of a second push plate in the landing platform, wherein the first side is a landing surface where the unmanned aerial vehicle is landed and stopped; and a push-pull hook on thepush plate of the landing platform drives the movement of the first bracket and/or the second bracket. The unmanned aerial vehicle of the invention does not need to consume the own electric energy when unloading, and contributes to improving the endurance capability; and the brackets and the connection structure between the brackets and the main body of the unmanned aerial vehicle are relativelysimple, so that the self-weight and the manufacturing cost can be reduced.

The invention discloses a tent frame rod structure capable of automatically unfolding and folding. The tent erecting rod structure comprises multiple stand rods and a tent top support frame arranged on the tops of the stand rods; the tent top support frame comprises an automatic unfolding and folding device and multiple ejector rod sets; one end of each ejector rod set is connected with the automatic unfolding and folding device, and the other end of each ejector rod set is connected with the corresponding stand rod; the automatic unfolding and folding device comprises a guide rod and an upper connecting seat, a lower connecting seat and a driving device which are arranged on the guide rod, and the driving device comprises a motor used for driving the upper connecting seat and/or the lower connecting seat to relatively move, a power source used for supplying needed power to the motor and a switch used for controlling the motor to act; each ejector rod set at least comprises a connecting rod unit, and each connecting rod unit comprises two connecting rods which mutually intersect and are folded to form an X shape; in each ejector rod set, one connecting rod of each connecting rod unit connected with the automatic unfolding and folding device is connected to the upper connecting seat in a pivot mode, and the other connecting rod of each connecting rod unit is hinged to the lower connecting seat in the pivot mode. In this way, a tent can be unfolded and folded automatically.

The invention discloses a movable type impact voltage test apparatus. The apparatus comprises a movable device with a cabin, a supporting base plate that is disposed in the cabin and can vertically overturn in the cabin, a high-voltage impact generator tower that is parallel to the supporting base plate, a high-voltage impact generator disposed on the tower, a locking unit disposed between the supporting base plate and the tower, and a supporting plate for supporting the tower. The test apparatus is capable of outputting 2100kV oscillation impact lightning waves and 1800kV oscillation impact operation waves with the impact energy greater than 230kJ, thereby meeting on-site impact test requirements of a 1000kVGIS and other extra-high-tension electrical devices. The apparatus is high in integrated automation, enables the work efficiency to be substantially increased, and is safe, reliable and convenient.

The invention relates to a driving overpass which can be easily and quickly constructed and comprises two overpass transport vehicles. Two half bridges are respectively carried on the two overpass transport vehicles and can be butted to each other to form an overpass, and control devices of each half bridge are arranged on the corresponding vehicle. The driving overpass has the advantages that the overpass is mounted in the vehicles in quick transport procedures and is automatically controlled in construction procedures, the half bridges can be automatically butted to each other, and accordingly the driving overpass is high in efficiency, is safe and speedy and can be conveniently and quickly shifted and detached; the driving overpass is applicable to jammed road sections in rush hours, can be temporarily constructed, can be immediately detached after the rush hours and accordingly is free of influence on city appearance; the driving overpass is also applicable to large-scale activities, the problem of jamming of surrounding road sections can be effectively solved if the driving overpass is constructed, the driving overpass can be quickly detached after the activities and can be shifted to other road sections liable to jamming, and accordingly resources can be efficiently utilized.

Provided in the invention is a novel dismounting-free portable satellite communication antenna terminal comprising an azimuth assembly, a pitch assembly, a polarization assembly, a folding assembly and an antenna plane. The pitch assembly is installed above the azimuth assembly; the folding assembly is connected above the pitch assembly; and the front end of the azimuth assembly is connected with the polarization assembly. The antenna plane is formed by a middle antenna plane and the side-surface antenna plane. The folding assembly consists of a torque motor, a lower antenna rotating element and a small bearing II; the torque motor is installed above a torque motor fixed seat including a mounting plane I and a mounting plane II; and the lower antenna rotating element is formed by a mounting plane III, a mounting plane IV, and a mounting plane V. Compared with the prior art, the terminal has the following beneficial effects: the structure is compact; the wind-loading capability is high; the performance is stable and reliable; the antenna plane employs a torque motor transmission way to realize an automat unfolding and folding effect; and a repeated mounting and dismounting link is eliminated.

The invention belongs to the technical field of unmanned aerial vehicles and discloses an arm folding system of a multi-rotor unmanned aerial vehicle. The arm folding system of the multi-rotor unmanned aerial vehicle is provided with arms; the arms are positioned in holes of tube sleeves; one end of a guide column is fixed on a stopping slide block, and the other end of the guide column is arranged in a limiting block; a spring is positioned on the guide column; and the stopping slide block is placed in a slide groove of a side stop block. The arms of the arm folding system can be automatically unfolded, thereby solving the problem of too large wingspan of the unmanned aerial vehicle, reducing the transport volume and being convenient for transporting; and after the arms are unfolded, thearms are automatically locked, the structure of the folded part is stable, and the arms can not shake when being subjected to upward or downward force.

The invention discloses an intelligent safety protection device, which belongs to the technical field of intelligent home furnishing. The intelligent safety protection device includes a mosquito net body, the mosquito net body includes a ceiling part and a curtain part surrounding the bed, and also includes an annular guide rail for hanging above the bed, the ceiling part is fixed above the annular guide rail, The curtain part is hung under the ring guide rail; the surface of the ring guide rail is provided with a guide groove extending along the length direction, and the guide groove is provided with a cable for pulling the curtain part, and the curtain part has a The fixed end connected with the circular guide rail and the free end used for moving along the circular guide rail, the free end is fixedly connected with the pull cable, and the pull cable is connected with a drive motor in transmission. The intelligent safety protection device realizes the opening and closing of the mosquito net in an electric manner, which saves manpower and reduces the operation of setting up the mosquito net. At the same time, the mosquito net is easier to pack, and the indoor space is enlarged.

The invention discloses a construction warning device for security and protection engineering. The device comprises a main box, a first motor is welded to the bottom of the inner side of the main box,a transmission side cover is welded to the outer wall of the front side of the main box, warning board devices are rotationally installed on the outer walls of the front side and the rear side of themain box, and the warning board devices penetrate through the front side wall and the rear side wall of the main box; and a first gear is welded to the front side wall of each warning board device, and a second gear is rotationally installed on the inner wall of the front side of the transmission side cover. According to the construction warning device for security and protection engineering, byarranging the first motor and the warning board devices, the LED lamp panel can be automatically folded and unfolded, the overall space is saved; by arranging a second motor and arranging a second sliding rail, a third sliding rail, a third motor, a fifth sliding block, a connecting rod, a rack and a third gear in a flag waving device, automatic flag waving is achieved, and the practicability is high. The dynamic warning effect is realized. And meanwhile, a sound-light warning device is arranged, so that the light and sound double-warning effect is achieved, and the warning effect is better.

The invention discloses a bronchial spraying freezing system. The system comprises a pipe body, a spraying head, a flow-choking sheet, and a cold source apparatus, wherein the cold source apparatus, the pipe body, and the spraying head are connected in order, the spraying head comprises a plurality of spraying ports and a head end, the spray ports are circumferentially and uniformly distributed inthe middle of the spraying head, the flow-choking sheet is located between the spraying ports and the head end, and the flow-choking sheet covered on the surface of the spraying head can be unfoldedto realize distal end plugging. The flow-choking sheet is a ring-shaped circumferential flexible material, an axial section along a vacuum pipe is S-shaped or arc-shaped, and an unfolded shape of theflow-choking sheet is formed by a cold source fluid sprayed from the spraying ports, or a pushing apparatus to achieve flow-choking effects. Therefore, the bronchial spraying freezing system is provided with the flow-choking sheet at the distal end of the spraying ports, the distal end plugging is realized, at the same time, self-adaptive adjustment for plugging areas with different sizes can be performed, plugging effects of the plugging areas with different sizes are realized, and thereby a safe and convenient mean for treating airway hyper-responsiveness or chronic bronchitis is provided.

The invention provides a mobile terminal, a screen control method and device and a storage medium. The mobile terminal comprises a display screen is arranged on a supporting frame and provided with afirst side edge part made of a flexible material; a first scroll which is arranged in a cavity in the supporting frame; a first cam placing part, and a first driving assembly in axial connection witha first disc-shaped cam assembly through a first telescopic part. The first side edge part of the display screen bypasses the outer edge of the first side edge shell and then surrounds in the circumferential direction of the first scroll; and the first cam placing part is arranged at the side where the supporting frame is connected with a first side shell, and the first disc-shaped cam assembly isarranged in the first cam placing part. According to the mobile terminal provided by the embodiment of the invention, automatic unfolding or folding of the flexible display screen is realized, manualoperation of a user is not needed, and the convenience is high.

The invention relates to a battery processing equipment component, especially a paper feeding mechanism of a full-automatic battery plate package machine. The mechanism comprises a support frame, which is provided with a stepping motor. The stepping motor is connected with a rotating shaft for mounting a paper tape coil. The support frame is provided with a paper tape guide device and a paper tape length detection device. During use of the paper feeding mechanism of the full-automatic battery plate package machine, the paper tape coil is mounted on the rotating shaft, by means of the paper tape length detection device, the motor drives the rotation of the rotating shaft, automatic spreading of the paper tape is realized, thus providing the paper tape raw material for following procedures. With a simple structure, the paper feeding mechanism can cooperate with cutting paper and other mechanisms to realize providing the paper tape needed by plate package. And the design and manufacturing costs of the overall plate package equipment are reduced.

The invention discloses electronic equipment and a control method of the electronic equipment. The electronic equipment comprises a first screen module; a second screen module; a hinge module, wherein the first screen module is connected with the second screen module through the hinge module; a first driving part and a second driving part, wherein each of the first and second driving parts comprises an electro-deformation part, the electro-deformation parts are connected with the hinge assembly, and the electro-deformation parts can deform in a power-on state; wherein the first driving part and the second driving part drive the hinge module to act through the electro-deformation parts, so that the first screen module and the second screen module move relatively, the first driving part can enable the electronic equipment to be switched from a folded state to an unfolded state, and the second driving part can enable the electronic equipment to be switched from the unfolded state to the folded state. According to the invention, automatic unfolding and automatic folding of the electronic equipment in a non-contact manner are realized, the automation degree of the product is improved, and diversified use requirements of users can be met.

The invention provides a movable scanner working device. The movable scanner working device comprises a housing assembly, a support assembly, a driving assembly and a scanner. The scanner is arranged on the support assembly in a sliding mode through the driving assembly. The housing assembly is arranged on the support assembly and used for protecting the scanner, and the housing assembly comprises an open state and a closed state. According to the scanner working device, the protective cover is automatically opened and closed by turning over the driving part, the scanner is driven by the driving assembly to extend out of the vehicle body, automatic working of the working device can be achieved, and automatic positioning of a concrete wet spraying machine and tunnel contour scanning are achieved. The invention further provides the concrete wet spraying machine and a control method for automatic positioning and tunnel contour scanning of the concrete wet spraying machine.

The invention discloses an automatic fan-shaped card box. The automatic fan-shaped card box is structurally characterized that multiple layers of card sleeves (3) are clamped between an upper cover plate (1) and a lower cover plate (2), and the upper cover plate (1) and the lower cover plate (2) are riveted by a connecting shaft (4) to form the card box; cards (8) are inserted into the card sleeves (3); and the card sleeves (3) are provided with reverse teeth, so that the cards are prevented from sliding off the card sleeves; and an opening mechanism (16) can control the card box to be automatically unfolded.

The invention provides a fitness folding dining table. The fitness folding dining table comprises a base, a support mechanism, table boards, a seat assembly and a locking mechanism, the support mechanism comprises supporting parts and connecting parts, the supporting parts are vertically fixed to the two sides of the base, the connecting parts are arranged at the tops of the supporting parts, andarc-shaped holes matched with the table boards are formed in the connecting parts. According to the fitness folding dining table, the bodybuilding exercise effect can be achieved through a torsional spring at the hinged position of the table boards, springs between a pull rod and the table boards, handles and torsional springs between rotating shafts and fixing cylinders, meanwhile, the two torsional springs have the functions of lifting the table boards and unfolding seat plates correspondingly, and the automatic unfolding of the folding dining table is achieved; the pull rod and the spring have the function of stable locking, the functions of the fitness folding dining table are fused through the components, the components are matched with one another, the fitness function of the fitnessfolding dining table is enriched, and meanwhile the fitness folding dining table is more convenient and reliable to use during dining.

The invention discloses a smart fixed teaching projection plate comprising a pedestal and an installation plate, wherein braces are separately fixedly arranged on two sides of the pedestal, fixing pieces are fixedly arranges at the upper ends of the two braces, a fixed projection plate is fixedly arranged between the pedestal and the fixing pieces, a storage box is fixedly arranged on one side ofthe outer part of the fixed projection plate, a rotation rod is movably installed on the inner side of the storage box via a bearing, projection cloth winds on the outer side of the rotation rod, a movable piece is fixedly arranged at one end, far away from the storage box, of the projection cloth, the movable piece is movably installed on one side of the fixed projection plate, an installation box is fixedly arranged on the tube at the upper end of the fixed projection plate, a first gear is movably installed at each of two ends of the inner side of the installation box via a rotation shaft,and the first gear, close to one end of the storage box, on the inner side of the installation box is fixedly connected with the rotation shaft of the rotation rod. According to the plate provided bythe invention, automatic expansion and closing of the projection cloth are achieved, and the projection cloth is prevented from being exposed in the air and accumulated with dust.

The invention discloses a multistage drawing type photovoltaic panel wiring structure. The structure comprises a container, at least two-level frames, a pulley assembly and a photovoltaic cable, the rear side of the upper portion of each-level frame is provided with a photovoltaic panel plug-in, and the photovoltaic cable led out from the photovoltaic panel mounting frame of each-level frame passes through the photovoltaic panel plug-in on the corresponding frame, then passes out from a first-stage sliding wire tail trolley after passing through each sliding wire assembly backwards in order, and access a combiner box. The multistage drawing type photovoltaic panel wiring structure is applied to vehicle-mounted mobile photovoltaic, when a mechanism is pulled out and a photovoltaic panel isunfolded, power can be directly generated without rear wiring; when the mechanism is retracted, the photovoltaic panel does not need to be taken out of wires before being folded. Time is saved, efficiency is high, the hidden trouble is avoided that the positive and negative poles of each path are easily matched by mistake during on-site post-wiring, the hidden trouble of electric shock caused by hot-line plugging and unplugging of the photovoltaic air plug is avoided, and therefore, the multistage drawing type photovoltaic panel wiring structure is convenient and efficient, and safe to operate.

The invention discloses a novel anti-swinging parking space. Stable wheels are arranged at the four corners of the lower part of a parking tray; sliding rails are arranged on both sides of the parking tray, and a linear motor is installed on each sliding rail; a dust-proof cover is arranged at the inner end of the parking tray, and a wire box is arranged at the inner end of the parking tray; an electric conducting shrapnel is arranged in the wire box, and one end of the electric conducting shrapnel is connected with the linear motor trough a wire; a connecting rod is arrange at one end of the wire box, and an electric conducting end is arranged at the other end of the connecting rod; the electric conducting end extends into the wire box, and the connecting rod is sleeved with a spring; one end of the spring is in contact with the outer wall of the wire box; a return end is arranged in the middle position of the wire box, and a return rod is arranged at the inner end of the return end; and the middle of the return rod is further provided with an electric conducting shrapnel. According to the novel anti-swinging parking space, the dust-proof cover is arranged on an ordinary parking tray, and after a vehicle is parked in a garage, the condition that the surface of the vehicle is dirty and appearance of the vehicle is affected due to raining can be effectively avoided, meanwhile phenomena that the inner temperature of the vehicle is over high or explosion and spontaneous combustion occur due to sun exposure are avoided.