43results about How to "Motion synchronization" patented technology

The utility model relates to the field of automobile fire-fighting equipment, and particularly discloses a movable automobile intelligent fire extinguishing device which comprises a fireproof cover, a fire-fighting sprayer, two lifting assemblies and a telescopic arm, the bottom of the fireproof cover is provided with an opening, the lower end of the fireproof cover is provided with a lower fixing frame, and the upper end of the fireproof cover is provided with an upper fixing frame. The bottom of the fireproof cover is connected with the lower fixing frame, the top of the fireproof cover is connected with the upper fixing frame, the fireproof cover is driven by the lifting assemblies to be folded on the lower fixing frame or unfolded to form a closed space, the telescopic arm is located between the two lifting assemblies, and the two ends of the telescopic arm are connected with the lower fixing frame and the fire fighting truck respectively. The fire-proof cover is combined with a fire fighting truck, the fire-proof cover can be used for isolating an on-fire automobile from surrounding automobiles or equipment, fire spreading is avoided, meanwhile, a water pool can be formed in the fire-proof cover to immerse a battery, the final fire extinguishing purpose is achieved, and compared with a water gun fire extinguishing mode, the fire extinguishing efficiency can be improved, and fire extinguishing safety can be ensured; and water resources are greatly saved.

The invention relates to the technical field of semiconductor manufacturing, and particularly discloses a wafer carrying device which comprises a carrying track, a device base is arranged on the carrying track, a round base is installed on the lower side of the device base, a pneumatic suction cup is installed below the round base, and a plurality of clamping blocks are arranged on the peripheral side of the round base. The lower side of the clamping block is rotatably connected with left and right strip clamping blocks, and the lower sides of the outer ends of the strip clamping blocks are provided with rubber contacts. According to the wafer carrying device, the pneumatic suction cups are adopted, stability and flexibility are enhanced, a pneumatic system rapidly adjusts the adsorption force, wafer damage is avoided through the design of rubber contacts, a triangular frame ensures stable placement and reduces the falling risk, clamping block springs provide clamping force and have the buffering function, and the rubber contacts at the outer ends of clamping strip blocks ensure safe contact; the outer gear ring and the straight gear achieve synchronous movement, the clamping precision is enhanced, the overall coordination is improved through the design of the sliding sleeve base and the connecting rod, it is ensured that the device stably moves, the device adapts to wafers of different sizes, and the protection function is improved.

The utility model belongs to the technical field of plate bending machines, and particularly relates to a full-hydraulic drive four-roller plate bending machine which comprises a machine frame, an upper roller, a lower roller and two side rollers, the upper roller is arranged on the top of the machine frame and driven by a hydraulic motor, the lower roller is arranged under the upper roller, and the two side rollers are symmetrically arranged on the left side and the right side of the lower roller. One end of the upper roller (4) is connected with the machine frame (1) through a first shaft seat (3), the other end of the upper roller (4) is connected with the machine frame (1) through a supporting mechanism (7), the supporting mechanism (7) is installed on one side of the machine frame (1), and each side roller (10) is connected with the machine frame (1) through a swing mechanism (17). The roll gap distance between the upper roll and the lower roll is adjusted through relative movement of the upper wedge block and the lower wedge block in the jacking mechanism, the lower roll can bear large loads due to the structural characteristics of the jacking mechanism, and plates can be effectively rolled conveniently.

The utility model discloses a top adsorption type jig, and belongs to the technical field of jig machining. The upward ejection adsorption type jig comprises a machining panel and a mold core capable of getting close to the machining panel to form clamping force, a product middle frame is placed on the mold core, and a negative pressure positioning table is arranged on the mold core and used for forming negative pressure adsorption at the machining position where the product middle frame makes contact with the mold core. According to the utility model, the bottom surface of the processing panel is close to the top surface of the mold core to form a clamping force to limit the space of the product middle frame, but the vertical space for clamping the product middle frame is not completely fixed, so that the deformation of the product middle frame caused by the clamping force is reduced, and the negative pressure positioning table adsorbs the processing position to realize the complete fixation of the vertical space; and it is guaranteed that when the product middle frame is machined, the fluctuation problem in the deep machining process is avoided, and the stability of the machining depth size is effectively guaranteed.

The invention discloses cable sheath thermal aging test equipment, and relates to the field of aging test equipment. According to the cable sheath thermal aging test equipment, through the ingenious structural design, the replacement efficiency of the sheath is greatly improved, when the sheath is replaced by traditional thermal aging test equipment, a user needs to manually take down clamps one by one, then the clamps with the clamped sheath are hung again, operation is tedious, and consumed time is long; the power rod is rotatably mounted at the bottom of the storage rack, the positioning rack on the power rod is matched with the sleeve rods to fix cable sheaths in advance, the sheaths do not need to be mounted one by one when replaced, follow-up detection can be carried out only by placing the sleeve rods with the mounted sheaths on the positioning rack, the sheath replacement time is effectively shortened, and meanwhile, the cable sheaths can be conveniently replaced. The multiple sets of power rods rotate synchronously through the second chain wheel and the second chain, it is ensured that the multiple sets of positioning frames act synchronously, the replacement efficiency is further improved, and great convenience is brought to detection work of the cable sheath.

The application discloses a kind of evaporator inner plug testing equipment of accurate positioning, it is related to evaporator performance detection technical field, including test table, advancing support unit, test mark unit and sensing unit, wherein test table is used for signal control and reception, advancing support unit is used for the support travel of evaporator pipeline, test mark unit is used for testing whether the internal plug point of evaporator appears, sensing unit is used for detecting the viscosity of plug point plug, in the advancing process of advancing support unit in evaporator, whether the internal plug of evaporator appears is detected by test mark unit, while the plug point is marked, it is convenient for subsequent accurate positioning plug point, the viscosity of plug point plug that appears is detected by sensing unit, it is convenient for subsequent corresponding cleaning means, improve maintenance efficiency.

The utility model provides a feeding device and a feeding machine, and relates to the technical field of packaging. The feeding device comprises at least one feeding pipe and a plurality of valve pieces, and the feeding pipe extends from bottom to top; a plurality of valve pieces are arranged on each feeding pipe, the valve pieces are arranged at intervals in the length direction of the feeding pipes, so that temporary storage cavities are formed between the adjacent valve pieces, and the temporary storage cavities are used for temporarily storing materials; wherein the adjacent temporary storage cavities can be switched between a communicating state and a disconnecting state through the valve pieces, and in the communicating state, the adjacent temporary storage cavities form a continuous material channel. Manual feeding can be replaced, the feeding work efficiency is higher, and time and labor are saved.

This invention relates to a dual-cylinder driven linkage type guide vane adjustment mechanism and its adjustment method, comprising a hydraulic cylinder-driven linkage drive mechanism and an electro-hydraulic servo control system. The guide vane in the hydraulic cylinder-driven linkage drive mechanism is fixed on a guide vane rotation shaft. The two ends of the guide vane rotation shaft are rotatably connected to a guide wheel support and a guide vane support seat, respectively. A fixed frame is rotatably connected to the guide vane support seat. Multiple small rotating shafts are evenly arranged along the circumference of the fixed frame, and these small rotating shafts are connected to the guide vane rotation shaft via support pins. A first hydraulic cylinder and a second hydraulic cylinder are movably connected to both sides of the fixed frame, respectively. The controller T3 in the electro-hydraulic servo control system controls the electro-hydraulic servo valve T9 to operate. The first and second hydraulic cylinders are cross-connected, thereby driving the extension of the first hydraulic cylinder and the retraction of the second hydraulic cylinder synchronously. This invention provides a guide vane adjustment mechanism with symmetrical action, rapid response, high precision, and convenient maintenance, suitable for the hydraulic speed control system of high-power wind turbine units.

This invention discloses a traction winding and unloading device, belonging to the field of roll material production technology. The device includes a traction device, a floating fly knife device, a dual-shaft alternating winding device, and an unloading device. The traction device has edge trimming and tension adjustment functions. The floating fly knife device is equipped with a floating roller assembly and an L-shaped flipping guide groove to achieve clamping traction during cutting and automatic knife lifting after cutting. The dual-shaft alternating winding device realizes alternating winding of the two air-expanding shafts at two workstations through a flipping disc and a clamping assembly, and is equipped with a moving pressure roller that adjusts with the roll diameter. The unloading device consists of a moving trolley, a shaft pulling device, and an unloading trolley, which can automatically complete full roll grabbing, shaft pulling, air release unloading, and transfer. This invention realizes full-process automation from traction, edge trimming, fixed-length cutting, continuous winding to automatic unloading, and has the advantages of high production efficiency, good cutting and winding accuracy, stable operation, and wide applicability. It is suitable for the continuous production of roll materials such as film, non-woven fabric, paper, and aluminum foil.

The application discloses an anti-interference water robot formation performance positioning system and method, which comprises a water robot cluster, a GPS positioning module, a water area visual positioning module, a short-distance sensing module, a core processing and communication module, an upper computer control platform and an environment sensor, and each module adopts a water special protection design. The positioning method comprises six steps of system initialization and parameter calibration, multi-source positioning data acquisition and preprocessing, multi-source positioning information fusion, anti-interference positioning calibration, formation positioning error correction and positioning result output and feedback. The anti-interference water robot formation performance positioning system and method can realize centimeter-level accurate positioning through the environment adaptive weighted fusion, exclusive interference calibration and global-local collaborative error correction strategy, can effectively resist complex interference, has the characteristics of strong real-time, high reliability and good practicability, and is suitable for various water robot formation performances and travel and travel performance scenes.

The utility model relates to the technical field of spinning of daily necessities, and discloses a towel conveying mechanism of a full-automatic towel machine, which comprises a rack, a transmission shaft rotationally connected to the rack, a rotary driving part for driving the transmission shaft to rotate, a conveying component and a conveying workbench, the conveying assembly comprises a support, at least two lower belt wheels installed on the support, at least one upper belt wheel, a belt arranged on the upper belt wheel and the lower belt wheels in a sleeving mode, a swing arm hinged to the support, a swing driving piece driving the swing arm to swing and an adjusting wheel installed on the swing arm. The towel receiving device has the following advantages and effects that the effect of efficiently and accurately receiving cut semi-finished towels is achieved.

The utility model relates to battery processing technical field, concretely relates to a square battery flexible pole piece anti -wrinkle positioning device is set between telescopic pole piece feeding mechanism and winding mechanism, including mounting seat, telescopic cylinder and a pair of slide rails, the slide rail is installed on the mounting seat, a pair of slide rails is in a one -dimensional type setting, the sliding block is slidably installed on each slide rail, the telescopic cylinder is installed on the mounting seat, and the telescopic cylinder is connected with the pull -in plate in telescopic end, two guide slots that are set up in eight characters are seted up on the pull -in plate, and the pin column on two sliding blocks is slidably installed in the corresponding guide slot respectively, each sliding block can be rotatably provided with the clamp roller, and a pair of clamp rollers can clamp the pole piece between telescopic pole piece feeding mechanism and winding mechanism. This square battery flexible pole piece anti -wrinkle positioning device can realize synchronous action, and can effectively prevent the pole piece from appearing wrinkle in winding process.

The invention relates to the technical field of photovoltaic supports, in particular to an adjustable photovoltaic panel support which comprises a main supporting bottom frame and main supporting beam frames arranged on the two sides of the main supporting bottom frame, steering assemblies are arranged on the main supporting beam frames, and photovoltaic panel bearing parts are arranged on the steering assemblies; the device further comprises a first cable supporting frame and a second cable supporting frame, and the second cable supporting frame is in butt joint with the extension shaft. A plurality of positioning seats are arranged on the second cable supporting frame, cable fixing sleeves are arranged on the positioning seats, a second-stage swing part is arranged on the first cable supporting frame, a cable clamping frame is installed on the second-stage swing part, and the cable clamping frame is in butt joint with the cable fixing sleeves. Multi-point positioning and stable supporting are provided for the photovoltaic cable, the cable is effectively prevented from moving and falling off, power transmission safety and stability are guaranteed, it is guaranteed that the cable can move synchronously when the angle of the photovoltaic panel is adjusted, and the damage risk caused by cable pulling is avoided.

The utility model discloses a heat supply pipeline installation device which comprises a base, a plurality of installation holes are symmetrically formed in the base, two fixing supports are symmetrically installed on the base, and each fixing support is fixedly connected with a centering clamping assembly. The centering clamping assembly comprises a fixing ring seat, the end face of the fixing ring seat is fixedly connected with a plurality of limiting seats, a clamping block is connected between two adjacent limiting seats in a sliding mode, a limiting disc is installed in the fixing ring seat, each limiting disc is symmetrically provided with a plurality of arc-shaped limiting holes, and the arc-shaped limiting holes are connected with the clamping block in a sliding mode. Each clamping block is fixedly connected with a push rod, a transmission assembly is installed at the lower end of the limiting disc, and the output end of the transmission assembly is located outside the fixing ring base. The pipeline connecting device is ingenious in structure and reasonable in design, can assist in connection between two pipelines, reduces the pipeline centering and connecting difficulty, and can support the pipelines at the same time.

The composite tooling of the hollow glass of the present invention comprises a rectangular frame, and a positioning device and a multi-directional linkage mechanism installed on the frame. A plurality of positioning devices are used. The positioning devices on the left and right sides of the frame are respectively connected to the first driving device and driven by the first driving device. The first driving device is also connected to the multi-directional linkage mechanism. The multi-directional linkage mechanism is connected to the positioning devices on the front and rear sides of the frame via the second driving device, thereby driving the movement of the positioning devices on the front and rear sides of the frame; the positioning device is used for positioning and aligning the outer edges of each layer of glass and the keel. The present invention has a simple structure, convenient operation, and high cost performance. It improves the relative position dimensional accuracy of the composite hollow glass, increases the overall strength of the hollow glass, reduces cracking, and facilitates the modular assembly installation of the hollow glass. The present invention changes the traditional composite method of hollow windows, and can realize the rapid positioning of the lower glass, the rapid installation of the middle keel, and the rapid composite of the upper glass.

This invention relates to a high-precision visual inspection device for pet food production lines, belonging to the field of pet food inspection technology. It includes a main body with a conveyor belt installed inside. A first inspection component is located at the upper end of the conveyor belt, used for preliminary inspection of stains and damaged areas on the material surface. A centering and rejection component is located on one side of the first inspection component, used for centering and rejecting unqualified materials during the conveying process. A first damage detection component is located inside the centering and rejection component, used for initial verification of damaged materials detected by the first inspection component. This invention significantly reduces the rate of missed and false detections through a tiered inspection mode of initial inspection with an industrial camera, initial verification with heating thermal imaging, and secondary verification with airflow temperature difference.

The application relates to the technical field of plastic particle processing, and discloses a granulating device for processing foamed materials, which comprises a first support, a die head, a flow uniformizing plate and a pelletizing assembly, the die head is fixedly connected with the first support; the flow uniformizing plate is fixedly connected with the surface of the die head where extrusion holes are located, a plurality of first through holes are formed in the flow uniformizing plate, the first through holes correspond to the extrusion holes of the die head in a one-to-one manner, and the depths of the plurality of first through holes decrease in turn along the radial direction of the flow uniformizing plate; the pelletizing assembly is used for pelletizing the pull strips extruded by the flow uniformizing plate. The first through holes with different depths provide differentiated flow resistance for the melt flow rate at different positions, so that the melt flow rate at the outlets of the first through holes tends to be uniform, that is, the instantaneous extrusion amount tends to be equal, thereby improving the uniformity of the diameters of the pull strips, improving the problem of uneven thickness of the pull strips caused by the extrusion amount deviation of the edge holes and the middle holes, and improving the size consistency of the granulating particles and the product quality.

The invention discloses welding equipment for a large cast-weld assembly. The welding equipment comprises a welding needle for welding; the linkage mechanism is arranged on the outer side of the welding needle, the linkage mechanism comprises a ball screw, two rotating discs used for clamping a weldment are arranged outside the ball screw, and rotating rods used for supporting the rotating discs to rotate are arranged outside the two rotating discs; one end of the rotating rod on one side and one end of the ball screw are fixedly connected with transmission wheels, the outer surfaces of the transmission wheels on the two sides are in transmission connection through a transmission belt, and one end of the rotating rod on the other side is fixedly connected with a rotating motor through a coupler; relates to the technical field of welding equipment and solves the problems that when an existing casting welding device is used, due to the fact that movement of a welding needle and a weldment is independent, mistaken welding or welding omission is prone to occurring during welding, and meanwhile the requirements of welding seams with different widths cannot be met due to the fact that the movement size of the welding needle is fixed.

The present invention relates to the field of radiator detection, and specifically to a radiator anti-sway strength testing device and a testing method, comprising: a base, on which a support frame capable of loading multiple groups of radiators is provided; a pre-installation frame, which is arranged on the base and is detachably connected to the radiator; a vibration component, which is arranged on the base and connected to the support frame, the vibration component can drive the support frame to perform a vibration action, and the vibration component can lift or lower the pre-installation frame placed on the base; a detection component, which is provided with multiple groups and is installed on the base, and when the radiator pumps air toward the detection component, the detection component can pull the radiator away from the support frame to achieve automatic classification of the radiator after detection.

This utility model provides a photoelectric support for a conveyor line, comprising: a base, an electric telescopic rod rotatably connected to the upper end of the base, and a fixed frame fixedly installed at the upper output end of the electric telescopic rod. This photoelectric support for a conveyor line, through the arrangement of a receiving cavity, a protective shell, a sliding groove, an electric telescopic rod, a connecting block, a telescopic plate, a steering ball, and a motor, provides installation and protection space for the drive components through the receiving cavity and the protective shell. The sliding groove, in conjunction with the slider, ensures smooth rotation. The electric telescopic rod, combined with the connecting block and the telescopic plate, enables precise height adjustment and enhances structural rigidity. The steering ball and the motor enable precise electric control of the detection angle. The various structures work together to improve the flexibility and accuracy of adjustment, meeting the detection needs under different working conditions. Furthermore, multiple stabilization mechanisms reduce swaying and offset, ensuring the continuous and stable operation of the photoelectric sensor, significantly enhancing the practicality, reliability, and adaptability of the support.

The utility model relates to automatic demoulding device technical field of sealing element discloses a kind of automatic demoulding device of sealing element, including upper die body and lower die body, the top of the upper die body is fixedly inserted with two symmetrical positioning columns, and the top of two positioning columns is fixedly connected with fixed sheet, the bottom end of two positioning columns is slidably inserted in the inside of lower die body, by setting connection column and slider, make upper die body drive slider movement in lifting process, and utilize the lifting of slider to promote elastic sliding block to drive thimble gradually lift, to realize the automatic demoulding of sealing element, without cylinder or motor and other external drive, reduce manufacturing cost, and compact structure, action synchronism.

The utility model relates to railway track technology, aims at providing a structure simplified embedded combined frog without using interval iron. The product includes wing rail located at both sides and heart rail located between wing rail, is equipped with one long strip alloy steel inlaying block respectively at both sides of heart rail, the opposite inner side of two alloy steel inlaying block roots and the two outer sides of heart rail root are all vertical plane, the alloy steel inlaying block is installed at both sides of heart rail in the mode of sticking all root extension section and partial rail head section to form sandwich structure, and is realized firm connection by multiple transversely -penetrating joint bolt pair, the sandwich structure is located between two wing rails, and is realized firm connection by multiple transversely -penetrating joint bolt pair, does not set up interval iron in the whole embedded combined frog. The core component of the product is relatively independent and firm in structure, can complete assembly in advance in factory, can guarantee installation quality, reduce on -the -spot construction workload, promote construction progress, save construction cost.

The utility model relates to the technical field of loading and unloading platform auxiliary devices, and provides a fixed type loading and unloading gap bridge which comprises a platform, a main bridge body is rotatably installed in the platform, a reinforcing frame is fixedly installed at the bottom of the main bridge body, an inner fixing rod is fixedly installed on the main bridge body, an outer rotating rod is rotatably installed on the inner fixing rod, and the reinforcing frame is fixedly installed on the outer rotating rod. Arc plates are evenly and fixedly installed on the outer rotating rod at equal intervals, and main discharging plates are fixedly installed on the arc plates. A telescopic rod is rotatably mounted at the bottom of the main bridge body, and the other end of the telescopic rod is rotatably mounted on the main unloading plate; a servo motor is arranged at the bottom of the main bridge body, a two-way threaded rod is fixedly installed at the output end of the shaft portion of the servo motor, two nut pairs are connected to the two-way threaded rod through threads, first connecting blocks are fixedly installed on the nut pairs, and auxiliary bridge bodies are fixedly installed at the other ends of the first connecting blocks. The problems that existing equipment cannot be adjusted and is poor in applicability are solved.

The utility model discloses a kind of pretreatment devices for efficiently crushing for potamogeton crispus crushing technical field, including support, the support top is fixedly installed with support plate by bolt, the both ends of the support plate are respectively installed with the conveyor belt for driving potamogeton crispus to move by extension frame, the support top is slidably installed with grass pressing element, the grass pressing element side of the support top and the grass cutting element, the support bottom is installed with driving element, the driving element is used to drive grass cutting element and grass pressing element synchronous movement, driving element can drive grass cutting element and grass pressing element synchronous movement, so that grass pressing element is fixed while being pressed down to water grass, grass cutting element is cut to water grass, grass pressing element prevents potamogeton crispus from deviating or scattering, effectively prevent winding, it is convenient for grass cutting element to cut water grass into multiple short distance segments, avoid winding when subsequent crushing operation of potamogeton crispus.

The invention provides an immersive teaching scene rendering method, device and equipment, a storage medium and a system. The immersive teaching system comprises audio and video acquisition equipment, a data processing server, a scene rendering engine and a plurality of virtual reality terminals. The audio and video acquisition equipment acquires a teaching video; the data processing server performs behavior analysis on the teaching video to obtain first behavior data, the data processing server sends a first signaling to a scene rendering engine, and the first signaling carries the first behavior data; the scene rendering engine renders a first virtual three-dimensional character according to the first behavior data in the target virtual three-dimensional scene according to the first signaling to obtain a first three-dimensional picture; the scene rendering engine sends a first three-dimensional picture to a plurality of virtual reality terminals; and the plurality of virtual reality terminals display the first three-dimensional picture. According to the technical scheme, the virtual three-dimensional character in the virtual three-dimensional scene and the character action in the real environment can be synchronized.

The present application relates to the field of metal combination processing, and discloses a cast iron casting drilling and polishing integrated combination processing device and method, which comprises a drilling machine and a polishing machine; the drilling machine and the polishing machine sequentially perform drilling and polishing work on the parts to form part holes; the drilling machine comprises a drill bit and a drilling driving part, and the polishing machine comprises a polishing rod and a polishing driving part; the polishing rod is located at an eccentric position of the part hole, the outer wall of the polishing rod is in contact with the inner wall of the part hole, and the rotation shaft of the polishing driving part is coaxial with the part hole to be polished, so that the polishing driving part drives the polishing rod to rotate axially along the part hole to be polished. The present application integrates the drilling and polishing processes on the same platform, completes the processing and inner wall polishing of the part hole through the continuous operation of the drilling machine and the polishing machine, reduces the part transfer link, shortens the production cycle, reduces the labor intervention cost, and significantly improves the batch processing efficiency of the parts.

The invention provides rhythm furniture which comprises a fixing frame, a rhythm frame, a first connecting mechanism, a second connecting mechanism and a driving mechanism, the driving mechanism comprises a driving part, the driving mechanism is used for enabling the driving part to at least output reciprocating motion in the horizontal direction, and the driving part is eccentrically connected with a first rotating rod of the first connecting mechanism; therefore, the movement in the horizontal direction output by the driving part is converted into the rotation movement of the first rotating rod of the first connecting mechanism. The movement of the driving piece in the horizontal direction is converted into the movement of the rhythm frame in the vertical direction, so that the space occupied by the driving piece in the height direction is reduced, the space reserved for the driving piece in the height direction between the rhythm frame and the fixing frame is small, and therefore the gravity center of the rhythm frame is lowered; therefore, the rhythm furniture is better in stability in the high-frequency up-and-down reciprocating motion process.

The utility model provides an automatic stamping and blanking device for stamping a metal plate, which comprises a stamping machine, a lifting stamping plate arranged on a frame of the stamping machine, a fixed bearing plate positioned under the stamping plate, and a blanking plate, the discharging plate is movably connected with the rack through a connecting rod assembly. An adsorption assembly is installed on the stamping plate and used for adsorbing or loosening the stamped plate. When the stamping plate moves downwards for stamping, the discharging plate is far away from the outer side of the rack; when the stamping plate moves upwards, the adsorption assembly drives the stamped plate to move upwards, and the discharging plate gets close to the rack to the position under the stamping plate. A driving motor, a pneumatic element or a complex control system does not need to be additionally arranged, the discharging plate is driven to act only through the lifting motion of the punching machine, and the equipment cost and the maintenance difficulty are effectively reduced.

This invention relates to the field of storage and transportation equipment technology, and more particularly to a storage and transportation device, including a box body and a box cover. A fastening mechanism for locking the box body and box cover is provided within the box body. The fastening mechanism includes a locking structure mounted on the box body along its inner edge. The locking structure includes a locking shaft extending vertically and a locking element rotatable about the axis of the locking shaft. In use, a long-side connecting rod and a wide-side connecting rod are provided along the inner edge of the box body. A transition connecting rod is hinged at the connection between the long-side and wide-side connecting rods. The transition connecting rod is rotatably mounted on the box body about its inner axis of rotation. The long-side and wide-side connecting rods are movably connected to the inner ends of the locking elements corresponding to their respective edges. An operating handle is also included. The operating handle is rotatably mounted on the box body and its inner end is hinged to a certain connecting rod. Operating the operating handle allows all connecting rods to move synchronously, thereby driving all locking elements to move synchronously.

The application discloses an ambient backlight, which comprises a clamping assembly and a backlight unit. The clamping assembly comprises a vertically movable lifting part and two clamping parts. The lifting part is connected with the two clamping parts perpendicularly through a transmission part. When the clamping assembly is hung on a display support arm and moves under the action of gravity, the lifting part is pushed upward by the support arm, and the lifting part drives the two clamping parts to move close to each other in the transverse direction through the transmission part, so that the clamping assembly is fixed on the support arm of the display. When the clamping assembly is separated from the support arm, the lifting part is reset to move downward, and the lifting part drives the two clamping parts to move away from each other in the transverse direction through the transmission part, so that the clamping of the display support arm is released. The backlight unit is arranged at the back of the display, and the backlight unit is connected with the clamping assembly in the transverse direction through a preset lamp group connecting piece, so that the backlight unit makes a fixed-axis up-down flipping motion relative to the clamping assembly.