6results about How to "Launch stable" patented technology

The utility model relates to the technical field of rubber band guns, in particular to a spot shooting and continuous shooting exchange mechanism and a rubber band gun, the spot shooting and continuous shooting exchange mechanism comprises a first locking piece, a second locking piece, a trigger and a conversion clamping piece, the trigger is rotatably connected with a gun body, and the middle of the first locking piece and the middle of the second locking piece are rotatably connected with the gun body through pin shafts; the first locking piece is provided with a poke rod portion facing the trigger, the first locking piece and the second locking piece are connected with the gun body through a first spring and a second spring respectively, the middle of the trigger is rotationally connected with the gun body, and the upper side of the trigger is provided with a poke protrusion which pokes the poke rod portion of the first locking piece through rotation of the trigger. The trigger is connected with the second locking piece through the pull rod, the side face of the second locking piece is in driving connection with a conversion clamping piece installed on the gun body, and the rubber band gun manufactured through the scheme has the advantages of being simple in structure, stable in shooting, good in cooperation effect, high in interestingness and the like.

This utility model discloses a WLAN antenna structure and a microcomputer, relating to the field of antenna technology. The WLAN antenna structure includes an antenna unit, which includes a dielectric substrate, an antenna ground plane, and radiating stubs. The radiating stubs are connected to the antenna ground plane, and the radiating stubs and the antenna ground plane are located on the same side of the dielectric substrate. The antenna unit is disposed in the microcomputer with the motherboard spaced apart and isolated from each other, and is connected by a feed line.

This invention discloses a high-speed parallel water entry experimental launching device and method for a vehicle, belonging to the field of hydrodynamic experiments. It includes a supporting base, a parallel controller, a parallel launching assembly, and a power unit. The parallel launching assembly is mounted on the supporting base via the parallel controller, and the power unit provides launching power and adjusts the water entry velocity. The parallel launching assembly includes a first launching device and a second launching device arranged side-by-side, enabling parallel launching of two projectiles and adjustment of the launching angle. The parallel controller includes a parallel control mechanism and a spacing adjustment mechanism. The parallel control mechanism ensures the relative parallelism of the first and second launching devices, while the spacing adjustment mechanism adjusts the launching distance between the first and second launching devices. This invention has a simple and practical structure, is easy to assemble, has high reliability and durability, and exhibits good repeatability and safety, providing experimental assurance for studying the hydrodynamic characteristics of structures at the moment of water entry.

The utility model discloses a kind of ultraviolet light weathering test chamber with protective device, belong to ultraviolet light test chamber technical field, it includes: test chamber, the inside of two sides of test chamber is provided with mounting plate, two groups of mounting plate one side is fixedly installed with short plate, between two groups of short plate located in the same side is fixedly installed with ultraviolet lamp tube, the inside of two sides of test chamber is all set with placing groove and sliding slot, it is convenient to install, dismount and double fixing for mounting plate and ultraviolet lamp tube quickly, so that ultraviolet lamp tube can be replaced in time when failure or aging occurs, avoid the accuracy of test result due to lamp tube performance decline influence, can efficiently remove dust and impurity such as chippings generated in purification process, prevent its accumulation in test chamber, reduce the dust on the surface of lamp tube, avoid impurity to cause pollution or interference to sample, ensure the reliability of test result.

The application discloses a kind of unmanned aerial vehicle air-to-ground precision projection device based on dam inspection, belong to unmanned aerial vehicle mounting equipment technical field.Installation module is used to detachably fix the entire device to the bottom of unmanned aerial vehicle body;Storage module is connected with installation module, for storing material to be projected;Vector emission module is connected with installation module, and is connected with the discharge end of storage module, for receiving the material delivered by storage module, and controlling the emission vector of material;Trajectory solution module is respectively connected with vector emission module and the flight control system of unmanned aerial vehicle, for solving emission parameter according to real-time pose information, target position information and environmental parameter of unmanned aerial vehicle, and controlling the vector emission module executes projection.The present application solves the defects of existing device mounting inconvenience, storage confusion, large projection error, etc., can be widely used in emergency identification, medicament delivery or marker laying in dam inspection, improve the efficiency and accuracy of inspection.

This utility model discloses an airdrop launch device for a rotary-wing airborne unmanned aerial vehicle (UAV), belonging to the field of UAV technology. It includes: a connecting base, a connecting support column, a projection compartment, a projection base plate, and an electronic drive mechanism. The connecting base has a connecting groove at its bottom; the projection compartment has a connecting mechanism at its top, and a digital servo mounting slot is provided on the outer surface of one side wall of the projection compartment; the projection base plate is hinged to the bottom of the other side wall of the projection compartment; one end of the connecting support column is installed in the connecting groove, and the other end is connected to the connecting mechanism of the projection compartment; the electronic drive mechanism includes a digital servo, a servo shaft, a servo arm, and a servo fixing hole; the digital servo is installed in the digital servo mounting slot of the projection compartment; the digital servo is connected to the servo arm via the servo shaft. This utility model, by designing a fixed-angle projection compartment, can effectively compensate for the pitch angle of the rotary-wing UAV during flight, thereby improving launch accuracy and flexibility.