55results about How to "Protection against impact" patented technology

The invention discloses an unmanned aerial vehicle having a pesticide spraying function for agricultural planting, including an unmanned aerial vehicle body, wherein one side outer wall of the UAV body is provided with a vehicle arm, and the top outer wall of the arm is welded with a motor, one end of the output shaft of the motor is welded with a rotating shaft, and the outer wall of the rotatingshaft is bolted with a rotor, the top outer wall of the arm is welded with a protective cover, the top outer wall of the protective cover is provided with a protective net, the bottom outer wall of the arm is provided with a support leg, the bottom outer wall of the support leg is welded with a base, and the bottom outer wall of the base is welded with a movable rod. The invention improves the protective effect of the unmanned aerial vehicle (UAV) when in use, plays an effective cushioning role, and the design of the U-shaped plate with both sides upturned improves the stability of the UAV when landing, prolongs the service life of the agricultural UAV, not only can the medicine be more evenly dispensed, but also the spraying range is wider due to the centrifugal force generated by rotation.

The invention discloses a pair of height-adjustable height increasing shoes. The shoe comprises a sole and a vamp surrounding the outer edge of the sole, wherein the sole comprises a palm part and a heel part, a height adjusting assembly is fixedly arranged on the heel part, a lifting layer is arranged on the height adjusting assembly and matched with the top of the sole, and a matched buffer layer is arranged on the top of the lifting layer; by arranging the height adjusting assembly, the height of the heel can be automatically adjusted according to actual conditions, and operation is easy and convenient.

The invention relates to the field of wall-climbing robots, and discloses a magnetic adsorption wall-climbing robot and a control method thereof. The magnetic adsorption wall-climbing robot comprisesa body, a handle, a telescopic mechanism and a sensing control mechanism, and a permanent magnet is arranged at the bottom end of the body; the handle fixed at top end of body; the telescopic mechanism comprises a driving source arranged on the body and a telescopic piece arranged at the output end of the driving source; and the sensing control mechanism comprises a first sensor, a second sensor and a controller which is in signal connection with the first sensor and the second sensor and is in control connection with the driving source, the first sensor is arranged on the side face, facing the body, of the handle to sense tension borne by the handle, and the second sensor is arranged on the side face, back to the body, of the handle to sense the pushing force applied to the handle. When the handle is pulled, the telescopic piece extends out of the bottom end of the body, and then the magnetic adsorption wall-climbing robot can be simply and conveniently detached from the wall surface;and when the handle is subjected to pushing force, the telescopic piece retracts back to the body, and then the magnetic attraction wall-climbing robot can be loaded on the wall surface.

The invention relates to the technical field of bridges being protected against ship impact, and in particular relates to a ship interception system. The ship interception system comprises a pluralityof interception devices distributed at intervals on a first direction and interception ropes used for intercepting the interception devices, wherein each interception device comprises a floating body, a first anchor rope, a second anchor rope, a first anchor body and a second anchor body, and the first anchor rope, the second anchor rope, the first anchor body and the second anchor body are usedfor fixing the floating body. The first anchor rope is provided with a rope length adjusting part so that the first anchor rope can be stretched to a predetermined length. Thus, when the impact load on the interception device reaches a certain degree, the first anchor rope of the interception device at an impact point will be stretched. The interception devices around the impact point can also bemobilized to participate in the interception of a ship. Thus, the ship with large tonnage or faster speed is intercepted timely and effectively. Moreover, according to the impact load of the ship, theappropriate number of interception devices near the impact point can be reasonably mobilized to participate in the interception.

The invention belongs to the technical field of automatic equipment, particularly relates to a hoisting device for automatic equipment installation, and aims at solving the problem that an existing device consumes electric energy. According to the scheme, the hoisting device comprises two bases, hydraulic cylinders are fixed in the bases, the output ends of the hydraulic cylinders are connected with hydraulic rods, and the same hoisting beam is arranged above the two hydraulic rods; and two notches are symmetrically formed in the two sides of the bottom of the hoisting beam, straight shafts are fixed in the notches, output shafts of the hydraulic rods are movably connected with the straight shafts in a nested mode, a first sliding groove is formed in the bottom of the inner wall of the hoisting beam, a first sliding block is slidably connected into the first sliding groove, and a hoisting mechanism is connected to the bottom of the first sliding block. According to the hoisting device,the hydraulic cylinders are started to drive the hydraulic rods to do telescopic movement, so that the two hydraulic rods are located at different vertical heights, a hoisting box is pushed, the hoisting box can move along the inclined hoisting beam along with the first sliding block under the action of gravity, and hoisting can be conducted under the condition that electric driving is not needed.

The invention discloses an energy-saving and heat-preservation wall for a building. The wall comprises a load bearing wall body, a waterproof plate is fixedly connected to the right side of the load bearing wall body, a sponge heat-preservation plate is fixedly connected to the right side of the waterproof plate, a fireproof plate is fixedly connected to the right side of the sponge heat-preservation plate, and an energy-saving and heat-preservation plate is fixedly connected to the right side of the fireproof plate; embedded rods are symmetrically arranged in the load bearing wall body, the right end of each embedded rod sequentially penetrates through the load bearing wall body, the waterproof plate, the sponge heat-preservation plate, the fireproof plate and the energy-saving and heat-preservation plate from left to right and extends to the outside of the energy-saving and heat-preservation plate, and the portion, located outside the energy-saving and heat-preservation plate, of thesurface of each embedded rod is in threaded connection with a fastening buckle. The wall is simple in structure, low in cost and good in impact resistance; it is ensured that after the wall is subjected to large impact force, the heat-preservation plates cannot be broken or shed; moreover, it is ensured that the body of people who the impact force is applied to cannot be injured, and the household or office use needs can be completely met.

The invention discloses a reed transfer vehicle for a textile factory, which comprises a frame body and a reed body, and also includes a buffer mechanism arranged at the inner four corners of the top of the frame body. The buffer mechanism includes a support plate for supporting the steel reed body, The connecting rod assembly and the rotating part for fixing the reed body, the connecting rod assembly is driven by the support plate to insert the plug part on the outer wall of the rotating part into the reed tooth gap of the steel reed body, so that the reed body and the frame are connected The body remains fixed. The reed transfer vehicle provided by the invention can reduce the impact of the reed body caused by the vibration of the frame body during the transportation process, can limit the sliding of the reed body in the horizontal direction, and can limit the reed body in the horizontal direction. Sliding reduces the damage caused by the collision between the reed body and the frame body, realizes that when it needs to be moved, it can be lifted and moved, and when it needs to be fixed, it can be fixed by placing it, which can facilitate the operator to move and fix the frame body.

The invention discloses a day-and-night universal eye opening-and-closing type patch for a start viewing instrument. The day-and-night universal eye opening-and-closing type patch comprises a main connecting component; the left end of the outer wall of the main connecting component is provided with an elastic rubber ring in a clamping manner; the left end of the elastic rubber ring is provided with an auxiliary connecting component in a clamping manner; the outer wall of the auxiliary connecting component is sleeved with a pressing ring; the auxiliary connecting component is fixed to the elastic rubber ring in a pressed manner through the pressing ring; the right end of the outer wall of the main connecting component is provided with a limiting slide groove; the limiting slide groove is sleeved with a limiting ring; the inner wall and the outer wall of the limiting ring are symmetrically provided with a plurality of protruding blocks; fixing holes are formed at the central portions of the protruding blocks; the outer wall of the limiting ring is provided with a patch in a clamping manner; the outer wall of the patch is sleeved with a fixing pressing ring; screw holes are formed in the wall of the fixing pressing ring; and the patch is fixedly connected with the limiting ring through screws in the screw holes in the wall of the fixing pressing ring, wherein the limiting ring sleeves the limiting slide groove. The day-and-night universal eye opening-and-closing type patch for the start viewing instrument has the advantages of high practicability and convenience in opening and closing, and can be normally opened.

The invention discloses a biochemical test stirring device. The biochemical test stirring device comprises a stirring kettle, a limiting supporting plate is fixedly connected to the position, close to the top end, in the stirring kettle, a driver is fixedly connected to the middle position of the top of the limiting supporting plate, swing rod mechanisms are uniformly and fixedly connected to the outer side of an output shaft of the driver, and air pressurizing mechanisms are uniformly and fixedly connected to the surface of the inner wall of the stirring kettle. The invention relates to the technical field of chemical machinery. According to the biochemical test stirring device, the contact resistance between a mechanical mechanism and the surfaces of biological cells is reduced, and excessive damage of mechanical force to the biological cells is avoided.

The invention relates to the technical field of display screens, and discloses a high-definition LED display screen with a protective function, which includes a top seat, an upper notch is provided on the upper surface of the top seat, and a wind energy power mechanism is arranged inside the upper notch. The power mechanism includes a left cylinder and a right cylinder. The end of the left cylinder away from the side wall of the upper notch is fixedly connected with a threaded column. The outside of the threaded column is provided with a gear ring plate, and the two sides below the gear ring plate are respectively provided with a protective mechanism and The heat dissipation mechanism is equipped with a wind energy power mechanism and a protective mechanism. When encountering strong winds, the protective curtain in the protective mechanism opens and falls to close with the bottom groove, thereby closing the front side of the display body, and cooperates with the right plate and the bottom groove. The left plate seals both sides of the display body, and at this time, the display body can be directly protected by the protective curtain when the display body is affected by strong winds, so as to avoid the damage of the display screen from external influences and effectively protect the display screen. The screen is protected.

The invention discloses a hose assembly and a charging pile with the hose assembly. The hose assembly comprises a hose and an elastic piece which sleeves the periphery of the hose. When friction and collision happen to the hose, due to the existence of the elastic piece, the hose is prevented from being in direct contact with a friction piece, a certain buffer effect is achieved, the hose is prevented from being worn and the damage degree of the hose is effectively reduced. The charging pile disclosed by the invention is provided with the hose assembly.

The invention relates to the technical field of communication, and discloses a safety protection device used during climbing a communication signal pole. The safety protection device comprises a fixedrod and a fixed sleeve, an outer rod is fixedly installed at the top of the fixed rod, an inner rod is arranged in the outer rod, a first bolt is arranged in the outer rod, a fixed plate is fixedly installed at the top of the inner rod, and a safety net is fixedly installed in the fixed plate. According to the safety protection device used during climbing the communication signal pole, when a constructor falls onto the safety net, a second connecting plate can be pulled to move outwards due to inertia impact, then a moving rod is pulled to move outwards, a damping spring moves outwards, a certain damping effect is achieved, the constructor can be protected conveniently, the impact force of the constructor falling onto the safety net is reduced, the impact force borne by the body of the constructor is relieved, the safety of the constructor is protected, the safety of the constructor is guaranteed, and safety accidents during construction are prevented.