10results about How to "Quick erection" patented technology

This utility model belongs to the field of high-rise fire rescue technology, and specifically relates to a high-rise fire rescue drone and ground support device. It includes: a multi-rotor fuselage, comprising a cabin and a water tank; the cabin and water tank are housed within the multi-rotor fuselage; a retractable multi-stage cloud bridge and a folding ladder, the multi-stage cloud bridge being located within the cabin, and the folding ladder being located on the last stage of the cloud bridge. By controlling the extension of the multi-stage cloud bridge, the folding ladder can be connected to a high-rise window sill; a window breaker, symmetrically arranged above the last stage of the cloud bridge, which, by controlling its operation, can break the glass of the high-rise window sill; and a water spray mechanism, respectively located on the front and rear sides of the multi-stage cloud bridge and on the top of the cabin. This utility model solves the problems of limited functionality, low fire extinguishing efficiency, and inability to conduct timely multi-person rescues.

The utility model relates to a butt joint positioning device for floating bridge modules. A quick positioning and connecting device for a floating bridge and a pontoon bridge is composed of a positioning mechanism and a connecting mechanism, and the positioning mechanism is composed of a positioning rod (108), a positioning baffle (103), a movable clamping rod (106), a buffer spring (105), a steel wire rope (104) and a winch (101); the movable clamping rod (106) is connected with the positioning baffle (103) through the buffer spring (105), the positioning baffle and the winch are fixedly connected with one floating bridge or pontoon bridge unit, and the positioning rod (108) is fixedly connected with the other floating bridge or pontoon bridge unit. One end of the steel wire rope is connected with the winch (101), and the other end of the steel wire rope penetrates through a strip-shaped ring (107) arranged at the front end of the movable clamping rod (106) to be fixed to the positioning baffle (103). According to the connecting structure, accurate positioning of the connecting structure of the pontoon bridge and the pontoon bridge and rapid connection of the pontoon bridge and the pontoon bridge unit can be achieved, the butt joint time of the pontoon bridge and the pontoon bridge is greatly shortened, and the connecting efficiency of the pontoon bridge and the pontoon bridge is improved.

This invention relates to the field of trestle bridges, specifically to a trestle bridge for construction across railway lines and its usage method. The trestle bridge includes a trestle bridge module, approach bridge modules, a traveling module, and a support and guide module. The trestle bridge module is erected within a reserved passage area on the external track line. The approach bridge module is mounted on one side of the trestle bridge module via a rotating shaft and is pulled by the trestle bridge module. Two sets of traveling modules are installed on both sides of the ends of the trestle bridge module. The support and guide module is erected on the side of the reserved passage area facing the track. The hydraulic motor in the traveling module, in conjunction with the traveling wheels, drives the trestle bridge module to move rapidly along the guide roller seats of the support and guide module. Combined with the folding and unfolding functions of the approach bridge module, this enables rapid erection and dismantling of the trestle bridge, significantly shortening construction preparation time and dismantling cycle, avoiding prolonged interruptions to railway operations, and effectively solving the problems of long construction cycles and dismantling interference with normal railway operations caused by traditional trestle bridges.

The invention relates to the related technical field of music score reading devices, and discloses an intelligent music score reading device with a visual angle following function, which is characterized in that visual line image materials of a user are acquired in real time through a visual line acquisition camera, the visual line direction and page turning requirements of the user are analyzed, and an electronic music score reading device is driven to rotate to follow the visual angle of the user and intelligently turn pages through a servo motor. Meanwhile, through the arrangement of a gravity clamping mechanism, electronic music score reading devices of different models and sizes can be flexibly installed, use is more flexible, meanwhile, when the electronic music score reading devices are placed, the gravity of the electronic music score reading devices triggers and drives a rubber eccentric wheel to rotate to unlock a clamping block, and the electronic music score reading devices are automatically clamped; and the installation is more convenient, faster and more stable.

This utility model relates to the field of photovoltaic bracket purlin technology and discloses a photovoltaic bracket purlin connector, including an inclined beam. A purlin body is provided on the top of the inclined beam, and a slider is slidably connected to the inner wall of the inclined beam. A U-shaped frame is fixedly mounted on the side of the slider. The slider is moved in the inner wall of the inclined beam, and then the bottom of the purlin body overlaps the top of the slider. The outer edge of the limiting plate is driven by the adjusting rod to pass through the inner wall of the second sliding groove and the inner wall of the first sliding groove to the inner cavity of the circular groove. Then the adjusting rod is rotated and then released, thereby using the push plate to assist in pushing the outer edge of the limiting plate to the inner wall of the limiting groove, thereby assisting the purlin body to be erected quickly. The outer edge of the auxiliary plate passes through the inner wall of the auxiliary groove to the inner wall of the purlin body. Then the auxiliary plate is rotated so that the bottom of the auxiliary plate overlaps with the bottom of the inner wall of the purlin body, thereby further ensuring the stability of the purlin body erection.

The invention relates to a butt joint positioning device for floating bridge modules. A quick positioning and connecting device for a floating bridge and a pontoon bridge is composed of a positioning mechanism and a connecting mechanism, and the positioning mechanism is composed of a positioning rod (108), a positioning baffle (103), a movable clamping rod (106), a buffer spring (105), a steel wire rope (104) and a winch (101); the movable clamping rod (106) is connected with the positioning baffle (103) through the buffer spring (105), the positioning baffle and the winch are fixedly connected with one floating bridge or pontoon bridge unit, and the positioning rod (108) is fixedly connected with the other floating bridge or pontoon bridge unit. One end of the steel wire rope is connected with the winch (101), and the other end of the steel wire rope penetrates through a strip-shaped ring (107) arranged at the front end of the movable clamping rod (106) to be fixed to the positioning baffle (103). Precise positioning of the pontoon bridge and pontoon bridge connecting structure and rapid connection of the pontoon bridge and pontoon bridge units can be achieved, the butt joint time of two modules of the pontoon bridge and the pontoon bridge is greatly shortened, and the connecting efficiency of the pontoon bridge and the pontoon bridge is improved.

The embodiment of the utility model provides a forest grassland fireproof flame-retardant device which comprises a barrel-shaped telescopic firewall, and the barrel-shaped telescopic firewall comprises annular supporting frameworks, a first flexible connecting assembly, a first ground fixing assembly, first fireproof cloth, second fireproof cloth and third fireproof cloth. The fire-proof and flame-retardant device for the forest and the grassland can form a plurality of liftable independent supporting positions with the ground, and the contact area between the bottom of the annular supporting framework and the ground is small, so that the fire-proof and flame-retardant device for the forest and the grassland is easy to adapt to uneven ground environments such as grassland, dunes, deserts, bushes and forest lands, and good support is formed with the ground. Two fire extinguishing modes of suffocation and blocking are adopted for fire prevention and flame retardance, and fire prevention and flame retardance can be efficiently achieved. Due to the fact that the barrel-shaped telescopic firewall is light in weight, small in size and foldable, the firewall can be carried by a single soldier and can be rapidly erected, moved and recycled, and the fireproof and flame-retardant effects of the forest steppe fireproof and flame-retardant device are effectively improved.

The utility model relates to the technical field of agricultural planting, and discloses a seeding tray for agricultural planting, which comprises a bottom frame, a fixed frame is fixedly assembled at the top of the bottom frame, a grain feeding plate is slidably connected to the inner wall of the fixed frame, an auxiliary frame is lapped at the top of the fixed frame, and a fixed frame is fixedly assembled on the side surface of the auxiliary frame. Through cooperative use of a seed feeding plate and a fixing frame, seeds are placed at the top of the feeding plate, the feeding plate is limited through the side face of a baffle, and then the seed feeding plate is shaken, so that the side face of a sliding barrel is driven by the seed feeding plate through a sliding rod to be in lap joint with the side face of the inner wall of the fixing frame, and the outer edge of the sliding rod is driven to slide in the inner wall of the sliding barrel; the first magnet plate and the second magnet plate move in opposite directions, the adjacent side faces of the first magnet plate and the second magnet plate repel each other, the grain feeding plate is assisted to reset, and therefore seeds are driven to shake into the inner wall of the grain feeding plate and the top of the sponge barrel, and the seeds are assisted to efficiently move to the needed limiting position.

The utility model relates to the technical field of unmanned aerial vehicle countering, in particular to a portable unmanned aerial vehicle signal interference device which comprises a placing box, a connecting rod, a threaded cover and the like, a box cover is hinged to the placing box and fixed through a hasp, an interference gun is placed in the placing box, and a stretchable supporting assembly is arranged on the box cover. The supporting assembly is unfolded and supports the fixing plate, the lower end of the connecting rod penetrates through the fixing plate and is in threaded connection with the threaded cover, the top of the connecting rod is in spherical hinge connection with a base, the base is in sliding connection with two extrusion blocks, the base is rotationally connected with an adjusting lead screw, the adjusting lead screw is in threaded connection with the extrusion blocks, and the interference gun is placed on the base and clamped by the two extrusion blocks. Through cooperation of the telescopic supporting assembly and the fixing plate, rapid erection and height adjustment of equipment are achieved, a stable contact face is formed through the fastening rubber mat at the top and the fixing plate, the interference gun is fixed to the preset height in the air, and physical output is remarkably reduced.

The utility model discloses an angle adjusting mechanism for unmanned aerial vehicle detection radar belongs to unmanned aerial vehicle detection radar field. The device includes: mounting bracket, radar, turnover subassembly, support subassembly, body and support subassembly. The radar sets at the top of mounting bracket. Turnover subassembly sets up between mounting bracket and radar, is used for driving radar turnover, and turnover subassembly includes fixedly set in the casing of both sides of mounting bracket, and the both sides casing rotationally connected with the rotating lever, and the rotating lever fixedly set in the lower end of radar, and one end of rotating lever is connected with the gear, and one side casing bottom is fixedly equipped with the slide rail, and the slide rail is slidably connected with the rack, and the rack is engaged with the gear. The utility model drives the rack along with the slide rail sliding through the remote control terminal start air cylinder, thereby drives the gear and rotating lever rotation, and then can drive radar turnover. On the one hand, the radar can cover the broad area from the front to the rear, and form omnidirectional detection capability. On the other hand, the detection direction can be adjusted in real time, and the response flexibility is improved.