11results about How to "Implement automatic expansion" patented technology

This invention discloses a motion-sensing interaction system for a smart learning desk, including a height-adjustable desk with a notch in the tabletop and a flip-up tabletop within the notch. The front edge of the flip-up tabletop is hinged to the front edge of the height-adjustable desk. By flipping the rear edge of the flip-up tabletop forward, the tabletop tilts or flips forward to expose the notch. A writing board is installed at the notch, located below the flip-up tabletop. A first electric scroll and a second electric scroll are respectively located on the left and right sides of the writing board, with the handwritten scroll storage area of ​​the first electric scroll and the handwritten scroll collection area of ​​the second electric scroll facing each other, as well as the white paper roll storage area of ​​the first electric scroll and the white paper roll collection area of ​​the second electric scroll facing each other. This motion-sensing interaction system enables various human-computer interactions during calligraphy practice, including voice interaction, tactile interaction, and gesture interaction.

The utility model discloses a pedal support, a pedal device and a vehicle, and the pedal support is characterized by comprising a mounting seat suitable for being connected with a vehicle body; the pedal connecting rod is suitable for being connected with a pedal; the two ends of the connecting arm are hinged to the mounting base and the pedal connecting rod respectively; and the dustproof part is connected with at least one of the mounting seat and the pedal connecting rod and covers at least part of the outer side surface of the connecting arm so as to prevent foreign matters from entering a gap between the connecting arm and the mounting seat and / or the pedal connecting rod. According to the pedal support disclosed by the embodiment of the utility model, foreign matters such as silt and broken stones can be isolated through the dustproof part, so that jamming and faults caused by the foreign matters are reduced.

The utility model relates to the field of building sunshade especially relates to a kind of intelligent control double-track telescopic folding sunshade, including crossbeam, connecting steel beam and stringer, the crossbeam and stringer are separately provided with two groups, crossbeam and stringer head-to-tail connection form square frame structure, the both ends of connecting steel beam are connected with the crossbeam of parallel arrangement respectively, the side of the corresponding parallel arrangement crossbeam is respectively provided with fender assembly, drive assembly and mounting bracket, track is installed on mounting bracket, the partition strip vertically arranged in track interior divides track interior into left and right chamber, the strengthening strip of right chamber side array setting in track interior right chamber divides right chamber into upper, middle and lower chamber, mobile assembly is provided in middle chamber, and the mobile assembly of front and rear corresponding setting is installed with cloth support assembly and support assembly on, the utility model is high in intelligent control precision, can satisfy the demand of automatic regulation, and good stability is unfolded, not easy to produce wrinkle, and structural adaptability is strong and high in durability.

The utility model discloses safety protection top automatic covering packaging machine protection device, including many folding boards, many the folding board between is connected through the link board, many the folding board both sides are equipped with fixed frame, install mechanism is installed on the fixed frame, the fixed frame is rotatably installed with screw rod, two the screw rod is connected through the rotating mechanism between, one of the fixed frame is equipped with the power mechanism with one screw rod connection, many the folding board both sides are equipped with two link frames, one the link frame is fixedly connected with the fixed frame. The utility model discloses many folding board design, replaced the traditional whole piece formula structure, cooperation link board connection and screw rod, movable frame etc. driving assembly, can realize automatic unfolding and folding, need not to dismantle and can open the packaging machine top space flexibly, convenient overhaul, maintenance and material processing, greatly promote the operation convenience, reduce the influence to production progress.

This utility model provides a tarpaulin control system and a vehicle. The tarpaulin control system includes: a motor drive module electrically connected to a tarpaulin drive motor, the motor drive module having multiple output states, including at least a first output state outputting a first preset current and a second output state outputting a second preset current, wherein the current direction of the first preset current is opposite to that of the second preset current; a power distribution module electrically connected to the motor drive module, the power distribution module being used to control the output state switching of the motor drive module; and a control module electrically connected to the power distribution module, the power distribution module controlling the output state of the motor drive module based on the control commands from the control module. This solution can realize the automatic unfolding and retraction of the tarpaulin, solving the technical problem of low work efficiency caused by the need for manual control of tarpaulins in related technologies.

This invention relates to a modular, assembled transmission tower foundation and its construction method. The transmission tower foundation includes four pile columns, a base, a bearing plate, a guide and locking mechanism, and a compression-type protective sleeve. The guide and locking mechanism is located between the bearing plate and the base, and achieves precise guidance and locking between modules through the insertion of connecting rods and connecting sleeves. The compression-type protective sleeve is slidably fitted onto the outer wall of the bearing plate and the base, and has a damping slip layer between it and the internal structure to withstand soil frost heave force and slide relative to it, thereby cutting off the transmission path of frost heave force to the main bearing structure. This invention solves the problems of difficult construction of traditional cast-in-place foundations in complex geological areas, foundation instability caused by frost heave force, and poor grounding. It features modular rapid assembly, strong frost heave resistance, and high structural stability, and is suitable for the construction of transmission line projects in complex geological areas.

The invention relates to the technical field of bearing assembling, and discloses a bearing assembling device which comprises a bearing platform, a plurality of ball falling pipes and a plurality of ball receiving groove bodies which are evenly distributed in a circular arc shape. The lower side of the bearing platform is connected with a fixing shaft, the outer side of the fixing shaft is provided with a plurality of swing rods corresponding to the ball receiving groove bodies, the tail ends of the swing rods are supported on the lower sides of the ball receiving groove bodies, the middles of the swing rods are connected end to end through a plurality of hinged connecting rods, the swing rod at the head end is fixedly connected with the fixing shaft, and the other swing rods are hinged to the fixing shaft. One end of each connecting rod is hinged to the corresponding swing rod, the other end of each connecting rod is hinged to the corresponding sliding block of the adjacent swing rod, and a circular-arc-shaped through hole allowing the ball receiving groove body to move is formed in the bearing platform; the swing rod and the connecting rod are folded into a fan shape and unfolded into a circle, ball separation is achieved through the ball receiving groove body without being affected by the diameters and gaps of the balls, the balls are directly separated at the ball placing station, irregular dispersion of the balls is avoided, the ball separation process is stable and free of impact, the balls cannot be damaged, and the structure is compact.

The utility model discloses a construction site sectional material support frame belongs to the building engineering technical field. A construction site sectional material support frame, including the supporting leg, still include: set up a plurality of bracket on the supporting leg, wherein a plurality of bracket is arranged in longitudinal stack and is fixedly connected each other through the support plate, and the bracket fixedly connected in the most lower side is in the top of supporting leg, set up a plurality of support plate on the both sides of bracket, the utility model discloses through a plurality of layers bracket, support plate and the setting of limiting plate, can realize the layered storage management of different kinds sectional material, and sectional material limiting is placed on the shelf and is not easy to dump and pollution, greatly improved the security, can also reduce the floor space simultaneously, effectively improved the space utilization of construction site, through the setting of classification label, can mark the position, specification, quantity etc. information of each material layer area, can better manage and find the material of each layer, help to improve work efficiency.

The utility model relates to an apple sapling cultivation greenhouse, which belongs to the technical field of sapling cultivation equipment, and comprises a greenhouse component and two pairs of folding track components in sliding connection with the greenhouse component, the greenhouse component comprises a plurality of uniformly distributed arched frames, and the same greenhouse cloth is fixedly connected among the arched frames. End cloth is fixedly connected to the two outermost arched frames, sliding boxes are fixedly connected to the two ends of the two arched frames, a telescopic air bag is communicated between every two adjacent sliding boxes, an inflation and deflation assembly used for inflation and deflation is fixedly connected to the sliding box on one side, and an inflation and deflation assembly used for deflation and deflation is fixedly connected to the sliding box on the other side. According to the device, the telescopic air bag can be inflated and deflated through the inflation and deflation assembly, expansion and contraction of the telescopic air bag are achieved, then automatic unfolding and contraction of the shed cloth are achieved, and people are helped to conduct adjustment according to different environment requirements.

This invention provides a transmission device and electric side pedal for an electric pedal, comprising: an active drive mechanism including a motor and an active linkage unit, the motor and the active linkage unit being drivenly connected; and a driven drive mechanism including a driven linkage unit, the active linkage unit and the driven linkage unit being respectively disposed at both ends of the pedal and both being fixedly connected to the pedal; characterized in that it further comprises: a connecting unit, the connecting unit being disposed between the motor and the active linkage unit, which can realize the connection and disconnection between the motor and the active linkage unit; the advantage is that the connecting unit is provided between the active linkage unit and the motor, which can connect or disconnect the motor and the active linkage unit. When the controller or motor is damaged, or the circuit is disconnected, or the electrical control part is not working, the pedal can no longer automatically unfold or retract. At this time, the connection between the motor and the active linkage unit can be disconnected through the connecting unit to realize manual reset or pull-out.

The utility model relates to the technical field of umbrella sheds, in particular to a novel automatic telescopic curtain umbrella shed structure which comprises a plurality of front stand columns, a plurality of guide stand columns, a plurality of rear stand columns and a film rolling assembly, the front stand columns and the rear stand columns are arranged, the guide stand columns are located between the front stand columns and the rear stand columns, and the film rolling assembly is arranged between the front stand columns and the rear stand columns. The film rolling assembly comprises a film rolling motor, a transmission shaft, a winding reel and a steel rope guide part, rotation of the transmission shaft and the winding reel is electrically controlled through the film rolling motor, steel ropes arranged on the winding reel, a guide wheel and a guide frame are wound and unwound, automatic curtain unfolding and winding are achieved, a user only needs to press a button, operation can be easily conducted, and the operation is convenient. The design that the front stand column and the guide stand column are provided with the guide wheels, and the rear stand column is provided with the guide frame ensures the stability of the whole system, so that the curtain is always kept flat in the unfolding and rolling process, and wrinkles and deformation are avoided.