30results about How to "Quick bounce" patented technology

The invention relates to a metope percussion sound wave detecting device, comprising a vehicle body, a tapping unit, a sensor unit and a controller, wherein the tapping unit is arranged on the vehiclebody, and comprises a driving component, an elastic motion component and a tapping block connected in sequence.The driving component acts on the elastic motion component by rotating, and drives the elastic motion component to move, so that the tapping block strikes the metope and bounces in a working cycle. The sensor unit is arranged on the vehicle body, and includes a sound wave sensor and a sensor lifting assembly. The sensor lifting assembly drives the sound wave sensor to fall to the metope before the tapping block hits the metope, and drives the sound wave sensor to reset after the tapping is completed. Compared with the prior technology, the invention drives the elastic action component by the motor and drives the tapping block to strike the metope, and each tapping force is fixedand adjustable, and the sound wave sensor is closely attached to the wall to collect and detect sound waves, so that the detection is reliable and accurate.

The invention provides a high-pressure pneumatic boosting take-off device for a light unmanned aerial vehicle, relates to the technical field of unmanned aerial vehicles, and aims to solve the problems that in each take-off process of an existing boosting take-off device, the unmanned aerial vehicle needs boosting to fly to the air, a large amount of energy is consumed during each take-off of the unmanned aerial vehicle, and the energy consumption is high. When the take-off device is used, potential safety hazards are likely to occur due to improper operation, air is polluted, and economic losses are caused. The device comprises a bottom plate. And vertically upward fixing plates are fixedly mounted at the left end and the right end of the top plane of the bottom plate. When the two inserting rods slide out of the rectangular holes of the guide rods, the spring columns can bounce upwards quickly, the bearing plate and the unmanned aerial vehicle above the bearing plate can be ejected upwards at the same time, the unmanned aerial vehicle is emptied and then commanded by a remote controller, and when the spring columns are ejected quickly, upward impact force of the bearing plate is blocked by the buffer blocks due to overlarge force.

The invention discloses a quick coupling structure. The quick coupling structure comprises a coupling body capable of allowing an insertion pipe to be inserted, wherein a fixed seat is connected to the coupling body; an elastic clamping part capable of clamping the insertion pipe after the insertion pipe is inserted into the coupling body is arranged on the fixed seat; a housing sleeves the fixedseat; a first projection part capable of jacking the elastic clamping part to enable the elastic clamping part to tightly clamp the insertion pipe when the housing is located at an initial position isarranged on the inner wall of the housing; a first elastic sheet capable of rebounding the housing after sliding relative to the fixed seat back to the initial position is arranged on the fixed seat;and a second projection part capable of forming slide fit with the first elastic sheet is arranged on the inner wall of the housing. According to the quick coupling structure disclosed by the invention, the first elastic sheet is used for replacing an original spring structure, and rapid rebounding for the housing can be realized after the housing slides, so that the cost is saved; moreover, theupper end of the first elastic sheet is arranged in a manner of being bent towards the inner side, and used cooperatively with the housing, so that breakage due to long-time use is avoided; and the quick coupling structure is reasonable in design and capable of prolonging the service life.

The invention discloses a hanging pendulum buffer device of a pendulum impact testing machine. The hanging pendulum buffer device comprises a rack and a pendulum, wherein a buffer device is arranged between the pendulum and the rack. The hanging pendulum buffer device is characterized in that the buffer device comprises a rocking arm, an electromagnetic controller and a hook tongue, wherein mounting holes are respectively formed in the middle and the two ends of the rocking arm; the middle of the rocking arm is hinged on the rack; one end of the rocking arm is hinged with an electromagnetic controller, and the other end of the rocking arm is hinged with a hook tongue; the upper end of the hook tongue is a hook working point, and the lower end of the hook tongue is a impact buffer point; the upper end of the hook tongue is matched with a hook on the pendulum; and the impact buffer point at the lower end of the hook tongue abuts against a hydraulic buffer. The the hydraulic buffer serves as a buffer element in the hanging pendulum buffer device, and according to the structure of the hydraulic buffer, the fit clearance between a piston and the inner surface of a cylinder body is properly controlled, so that the phenomenon that the movement of the piston is out of nimbleness and not flexible can be avoided. Through a buffer action of the hydraulic buffer, the problems that the joggling and the collision of the hanging pendulum can be radically solved, and thus the stability and no-impact of the hanging pendulum are realized.

The invention belongs to the field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle take-off power assisting device arranged on the water surface. The unmanned aerial vehicle take-off power assisting device comprises a cylinder body, an annular floating plate is fixedly connected to the top end of the side wall of the cylinder body, a plurality of buoyancy bags are fixedly connected to the bottom end of the annular floating plate, a plurality of driving mechanisms are fixedly connected to the side wall of the cylinder body, a power assisting cavity is formed in the cylinder body, and a plurality of air pressure pieces are fixedly connected to the inner bottom wall of the power assisting cavity. In the stage that the unmanned aerial vehicle needs to take off, the air pressure pieces can be rapidly stretched by utilizing the tension effect of the bag body and the water pressure effect, then a supporting block can be rapidly bounced upwards, first-stage acceleration of the supporting block and a supporting plate is achieved, meanwhile, the supporting plate can move upwards more quickly relative to the supporting block through a transmission mechanism, so that second-stage acceleration of the supporting plate is achieved, and it is ensured that the unmanned aerial vehicle located on the supporting plate can have good ejection and flying assisting effects through the second-stage acceleration.

The invention provides a special shoe cabinet capable of realizing oil applying and waxing on leather shoes, and belongs to the technical field of shoe cabinets. The special shoe cabinet comprises a shell, storage compartments, a cabinet door, sliding rods, a sliding rod II, a drag chain I, a sliding table, sliding rods III, a drag chain II, a slider, a bottom fixing table and a control panel, wherein the storage compartments are arranged on the surface of the front end of the shell in an embedding manner, the cabinet door is movably connected to the right side of the front end of the shell, the sliding rods are fixedly connected in the shell, the sliding rod II is fixedly connected to the right side of the inside of the shell, the drag chain I is fixedly connected to the right side of the inside of the shell, the sliding table is connected to the surface of the sliding rod II in a sliding manner, the top of the sliding table is connected with the drag chain I, and the drag chain II is movably connected to the left side of the top of the sliding table. In the device, when bristle brushes connected through springs work, the positions can be adjusted through the springs, so that thebristle brushes can well attach to the leather shoes with different appearances.

The invention discloses a thread guiding mechanism of textile equipment for cotton cloth processing and a using method of the thread guiding mechanism, and particularly relates to the field of textile. The thread guiding mechanism comprises a mounting rack rod, thread guide wheels are fixedly mounted on the bottom surface of the mounting rack rod, an air pressure tensioning mechanism and a thread moistening mechanism are fixedly mounted on the inner side of the mounting rack rod, and a reciprocating dust stirring mechanism is slidably connected to the bottom surface of the mounting rack rod. The air pressure tensioning mechanism comprises a sealing air pressure box, and an inner cavity of the sealing air pressure box is slidably connected with a sliding connecting plate. According to the scheme, under the action of the air pressure tensioning mechanism, the tensioning degree of a doubling thread can be adjusted through the air pressure tensioning mechanism in the conveying process of the doubling thread, the situation that the doubling thread droops due to the fact that the tensioning degree of the doubling thread is too small is prevented, meanwhile, mechanical abrasion can be effectively reduced in the mode that the tensioning degree is adjusted through air pressure, a certain springback space can be provided for a tensioning thread guide wheel, the doubling thread is prevented from being broken, and the magnitude of the tensioning force borne by the doubling thread can be visually judged through a barometer.

A penis extender for enlarging the male organ by a long-term extension treatment of the Corpora cavernosa comprises an extension element located between a fastening device (4) for the glans penis (5) and a holder (2) for the root (3) of the penis which acts as an abutment. The extension element is designed as a flexible band (1) that can be slung around the body of the user.

The invention provides a heat distribution pipeline with a safety catch. The heat distribution pipeline with the safety catch comprises a shell, wherein a groove and an inner cavity are embedded in the upper end and the lower end of the inner wall of the shell correspondingly; a water inlet frame is installed in the inner cavity; a hole is embedded in the upper end of the water inlet frame; a baffle is installed at the lower end in the hole; a sliding rod is slidably connected to the other side in the water inlet frame; an outer bearing is rotationally arranged on the side, close to the sliding rod, in the water inlet frame; the sliding rod rapidly impacts one side of an upper swing frame when sliding; the upper swing frame drives a lower swing frame to swing through a rotating ball; and the lower end of the lower swing frame tilts at an angle to be extruded to the lower end of a sliding disc. Since a clamping frame is set in an isosceles trapezoid, a limiting strip at the upper end of the sliding disc can be conveniently bounced at the upper end of the clamping frame, then the sliding disc can quickly slide downwards in a telescopic disc, and a magnet at the lower end of the sliding disc is quickly embedded into the groove, so that the interior of the heat distribution pipeline can be blocked when leakage occurs.