31results about How to "Avoid collision damage situations" patented technology

The invention discloses a four-rotor craft which comprises a craft body; rotor wing racks are arranged on the left and right sides of the craft body; each rotor wing rack is connected with the craft body through a hinge mechanism which is used for folding the rotor wing rack by rotating the rotor wing rack around the craft body; a locking mechanism used for locking the corresponding rotor wing rack in an unfolded state is arranged between each rotor wing rack and the craft body. As the folding function is realized due to the hinge mechanisms, the function of folding the rotor wing racks in the unfolded state is realized due to the locking mechanisms, and the operation processes of folding and unfolding are convenient, the occupied area of the four-rotor craft is reduced, the aircraft is prevented from being damaged by collision, the carrying and the transportation are convenient, the structure is simple, and the performance is stable.

The invention relates to the technical field of cranes, and discloses a crane capable of preventing lifting rope from shaking and realizing stall self-locking during winding for small size weight. Thecrane comprises a winding device, wherein a rotating shaft is movably connected inside the winding device. By means of the combined action of a sleeve set, a rope, a coil spring and a fixing block, before the weight is lifted by the device, the rope is short and is wrapped by the sleeve set, and the weight is convenient to hook; by means of the combined action of the sleeve set, the sleeve set iscontracted by the action of the winding device, and fully wraps the stretching part of the rope, and it is guaranteed that the weight does not shake when the lifted weight moves; by means of the combined action of a baffle and a clamping plate, positioning and buffering functions are achieved on the rope when the rope is stretched and wound; and by means of the rotating shaft, and a swinging rod,a cam, and a ratchet wheel, the rotating shaft is prevented from rotating, the winding device is effectively protected, and too fast operating speed is avoided so that the equipment is worn and the service life is reduced.

The invention discloses a machining center mechanism. The machining center mechanism comprises a base, a stand column, and a main shaft head mounted on the stand column and capable of sliding up and down along the stand column; the stand column is mounted on the base; the stand column comprises a stand column body, shaft head guide rails, a shaft head collision preventing table, and a shaft head limiting switch connected with the shaft head collision preventing table and used for controlling the main shaft head to stop downwards moving; two shaft head guide rails are arranged on the stand column body, and are arranged in parallel; the shaft head collision preventing table is arranged on the stand column body, and is positioned between the two shaft head guide rails; and the shaft head collision preventing table can butt against the bottom end of the main shaft head. As the machining center mechanism is provided with the shaft head collision preventing table and the shaft head limitingswitch connected with the shaft head collision preventing table, when the main shaft head moves to a limit position at the bottom end, the main shaft head is stopped from downwards moving through theshaft head limiting switch by touching the shaft head collision preventing table, the collision damage condition of the main shaft head is prevented, and the use safety of the machining center mechanism is effectively improved.

The invention discloses an LED lamp installation device based on gravity stabilization. The LED lamp installation device structurally comprises a telescopic rod, a telescopic rod sleeve, the anti-skidsleeve, the fixator connecting seat and a bulb fixing structure, the LED lamp mounting device is combined with the bulb converter through the fixed grabbing stabilizer, when the LED lamp bulb is picked and installed, the operator tilts the handheld mounting device, the bulb fixing claw and the ground are kept in a vertical state, an operator can quickly align the bulb on the bulb fixing claw withthe lamp holder, the situation that a worker needs to stand below the lamp holder by a vertical handheld mounting device is avoided, the situation that the lamp holder is installed at the position ofthe lamp holder is greatly observed, neck fatigue caused by installation of the LED lamp is reduced, and meanwhile, the alignment speed is accelerated, the situation that the bulb is collided and damaged due to the fact that the arm pain shakes due to long-time hand-held is avoided, the new LED bulb can be directly installed after the old bulb is taken down through the bulb converter, so that theinstallation operation time is shortened, and the working efficiency of LED lamp installation is accelerated.

The invention provides a protection mechanism of an industrial mechanical arm. The protection mechanism of the industrial mechanical arm comprises a first damping spring, a first rubber pad, a first guide groove, a first protection plate, a second protection plate, a second guide groove, a second rubber pad and a second damping spring; the first damping spring is fixed on the arc surface in the first protection plate; the first rubber pad is fixed at the right end of the first damping spring; the first guide groove is formed in the left part of the upper side surface of the mounting base; thefirst protection plate is arranged on the upper side surface of a mounting base the left side of a mechanical arm body; the second protection plate is arranged on the upper side surface of the mounting base on the right side of the mechanical arm body; the second guide groove is formed in the right part of the upper side surface of the mounting base; the second rubber pad is fixed at the left endof the second damping spring; and the second damping spring is fixed on the arc surface in the second protection plate. through the design, the buffer protection function is achieved; and the protection mechanism of the industrial mechanical arm is simple in structure, excellent in protection effect, high in practicability, long in service life and high in reliability.

The invention discloses a plumb aligner used for building construction. The plumb aligner used for building construction comprises a base and a substrate with holes, wherein three sets of anping handwheels are installed on the base, one end of each set of anping hand wheel penetrates through the substrate with the holes, a substrate fixing knob is installed on one side of the substrate with the holes, a round level bubble and a dial are installed on the substrate with the holes, a connection board is installed on the dial, a fixing column is arranged on the connection board, an eyepiece is installed in front of the fixing column, and a child and mother hinge is installed on one side of the eyepiece. To sum up, the plumb aligner used for building construction has the beneficial effects that a rotating handle, a protection board and a dust-proof round board are adopted, the plumb aligner used for building construction can be conveniently taken, the eyepiece can be protected when the plumb aligner used for building construction is subjected to external collision, dust can be prevented from the plumb aligner used for building construction, convenience is brought to use of the plumb aligner used for building construction, and use is convenient.

The invention discloses an agricultural fungi plant culture material weeding machine. The agricultural fungi plant culture material weeding machine comprises a weeding machine body. An installing frame is installed below the weeding machine body. The bottom of a guide plate is provided with a scraper. The top of a protecting plate is provided with a liquid storage box. Two sides of the liquid storage box are provided with atomization sprayers through liquid guide pipes. The bottom of a screw rod is provided with a steering wheel. Two ends of a scraper blade are provided with cylindrical bulges. The agricultural fungi plant culture material weeding machine is scientific and rational in structure, and safe and convenient in use. Liquid in the liquid storage box is sprayed through the atomization sprayers, and effectively combined with dust particles in the air, a weight of the dust particles is increased, a function of falling dust is achieved, and the liquid can kill injurious insects in weeds, so cultivated crops are prevented from being damaged by the residual injurious insects. Through swinging of an adjusting plate, the liquid sprayed by the atomization sprayers can be effectively diffused better, a contact probability of liquid drops and the dust is increased, dedusting efficiency is improved, and the diffused liquid can achieve a function of killing the injurious insects better.

The invention discloses a polygonal mirror cavity structure and a manufacturing method thereof. The polygonal mirror cavity structure is formed by assembling a plurality of unilateral mirrors; each unilateral mirror comprises a frame, a reflector and an adhesive layer, one end of each frame is convexly provided with a first abutting part, the other end of the frame is provided with a second abutting part, the corresponding reflector is arranged on the inner surface of the frame, and the adhesive layer is arranged between the frame and reflector; when the unilateral mirrors are assembled to form the polygonal mirror cavity structure, each reflector faces the inner side, the top surface of the first abutting part of each unilateral mirror is jointed with the second abutting part of an adjacent unilateral mirror; during manufacture, frames and reflectors are respectively supported by jigs to keep gaps therebetween, an adhesive is injected, flows to fill the gaps and is naturally coagulated, and stress generated internally can be prevented to avoid the deformation of the reflectors, so that the flatness and the optical homogeneity of the mirror surface are not influenced.

The invention discloses a turbine disc with a T-shaped disc edge sealing structure. The turbine disc comprises a turbine movable disc, a turbine static disc and a cold air channel between the turbine movable disc and the turbine static disc, wherein a first-stage sealing ring is arranged on the outer disc edge of the turbine static disc, a second-stage sealing ring is arranged on the inner wall face of the turbine movable disc, a third-stage sealing ring is arranged on the inner wall face of the turbine static disc, T-shaped protruding rings with T-shaped cross sections are arranged at the ends of the second-stage sealing ring and the third-stage sealing ring correspondingly, the T-shaped protruding rings comprise wide parts and narrow parts, and the tail ends of the narrow parts of the two T-shaped protruding rings are connected with the extending tail ends of the second-stage sealing ring and the third-stage sealing ring correspondingly. Due to the fact that the T-shaped protruding rings extending towards the two ends are arranged at the extending tail ends of the sealing rings, a flow area is reduced, the flow resistance is increased, high-temperature fuel gas forms vortexes in a cavity between the second-stage sealing ring and the first-stage sealing ring, fuel gas invasion is resisted, the sealing efficiency is greatly improved while clearance distances between the sealing rings and the movable and static discs are maintained in a reasonable range, and due to a zigzag cold air channel, the sealing performance is improved.

The invention discloses an agricultural robot picking device based on machine vision detection. The agricultural robot picking device based on machine vision detection comprises an assembly rail groove, a machine body is arranged on the assembly rail groove, a collecting pipe is inserted into an upper surface of the machine body, a fixed pipe is inserted into a side wall of the collecting pipe, a telescopic pipe is slidably inserted into one end, away from the collecting pipe, of the fixed pipe, an arc-shaped supporting plate is arranged at one end, away from the fixed pipe, of the telescopic pipe, a multi-axis mechanical arm is arranged on an upper surface of the machine body, and a shearing motor is rotationally arranged at an upper end of the multi-axis mechanical arm. A camera module is arranged on a shearing head, fruits can be picked more accurately, a situation that the fruits are damaged due to large impact is avoided through buffering and collecting of a single-opening elastic collecting net, meanwhile, possibility of impact damage is further reduced through cooperation of the collecting pipe, a buffer and a slope temporary storage drawer, such that the device is more intelligent in picking, does not need manual operation, is more reliable and safer, and increases picking efficiency and yield.

The invention discloses an agricultural fungi plant culture material weeding machine. The agricultural fungi plant culture material weeding machine comprises a weeding machine body. An installing frame is installed below the weeding machine body. The bottom of a guide plate is provided with a scraper. The top of a protecting plate is provided with a liquid storage box. Two sides of the liquid storage box are provided with atomization sprayers through liquid guide pipes. The bottom of a screw rod is provided with a steering wheel. Two ends of a scraper blade are provided with cylindrical bulges. The agricultural fungi plant culture material weeding machine is scientific and rational in structure, and safe and convenient in use. Liquid in the liquid storage box is sprayed through the atomization sprayers, and effectively combined with dust particles in the air, a weight of the dust particles is increased, a function of falling dust is achieved, and the liquid can kill injurious insects in weeds, so cultivated crops are prevented from being damaged by the residual injurious insects. Through swinging of an adjusting plate, the liquid sprayed by the atomization sprayers can be effectively diffused better, a contact probability of liquid drops and the dust is increased, dedusting efficiency is improved, and the diffused liquid can achieve a function of killing the injurious insects better.

The invention discloses a polygonal mirror cavity structure and a manufacturing method thereof. The polygonal mirror cavity structure is formed by assembling a plurality of unilateral mirrors; each unilateral mirror comprises a frame, a reflector and an adhesive layer, one end of each frame is convexly provided with a first abutting part, the other end of the frame is provided with a second abutting part, the corresponding reflector is arranged on the inner surface of the frame, and the adhesive layer is arranged between the frame and reflector; when the unilateral mirrors are assembled to form the polygonal mirror cavity structure, each reflector faces the inner side, the top surface of the first abutting part of each unilateral mirror is jointed with the second abutting part of an adjacent unilateral mirror; during manufacture, frames and reflectors are respectively supported by jigs to keep gaps therebetween, an adhesive is injected, flows to fill the gaps and is naturally coagulated, and stress generated internally can be prevented to avoid the deformation of the reflectors, so that the flatness and the optical homogeneity of the mirror surface are not influenced.

The invention discloses a sputum excretion instrument with the height convenient to adjust, and belongs to the technical field of medical equipment. The sputum excretion instrument with the height convenient to adjust comprises an adjusting mechanism and a placing mechanism, the adjusting mechanism comprises a base, universal wheels which are evenly distributed are fixedly connected to the bottom of the base, two supporting blocks are fixedly connected to the top of the base, and sliding grooves are formed in the opposite sides of the two supporting blocks. Adjusting assemblies are arranged in the sliding grooves, and storage cavities are formed in the opposite sides of the two supporting blocks. The placing mechanism comprises a mounting seat, the mounting seat is arranged between the two supporting blocks, sliding blocks are fixedly connected to the two sides of the mounting seat, the sliding blocks are slidably connected with the inner walls of the sliding grooves, and a baffle is arranged at the top of the mounting seat. The height of the device can be easily adjusted so as to adapt to different patients, and the situation that the treatment effect is affected due to discomfort of the patients in the treatment process due to height discomfort is avoided.

The invention discloses a power socket for a new energy automobile, and belongs to the technical field of new energy automobiles. The power socket for the new energy automobile comprises a charging pile, a cylindrical end of an adjusting hand wheel penetrates out of an L-shaped support, extends to the outside and is coaxially connected with a lead screw, the middle of the rear side of an adjusting block is rotatably connected with connecting rods through a pin shaft, and the lead screw is in threaded connection with a threaded hole formed in the middle of the adjusting block located at the lower end. The lead screw is in clearance fit with holes formed in the middles of the two adjusting blocks located at the upper end, the multiple connecting rods are rotatably connected through the pin shaft, and the upper end of the connecting rod located on the upper side is rotatably connected with a groove formed in the inner wall of the upper side of the L-shaped support through the pin shaft. The structures are tightly matched so that multiple new energy vehicles can be charged by one charging pile at the same time, the requirements of different users are met, a situation that a land is occupied due to arrangement of a lot of charging piles in a high-speed service station and a parking lot is avoided, and meanwhile the situation that cost is high, maintenance is tedious, potential safety hazards exist due to tedious lines is avoided.

The invention relates to the technical field of cranes, and discloses a crane for small heavy objects that prevents the sling from shaking and stalls and self-locks when rewinding. Under the joint action of group, rope, coil spring and fixed block, before the device lifts the heavy object, the rope is short and wrapped by the casing group, which is convenient for hooking the heavy object. Through the joint action of the casing group and the winding device , the casing group is contracted by the action of the winding device, and the rope of the stretching part is fully wrapped to ensure that the heavy object will not shake when the heavy object is lifted and moved. Through the joint action of the baffle and the splint, the rope stretch It has the function of positioning and slowing down when it is rewinding. Through the joint action of the rotating shaft, swing rod, cam and ratchet, it prevents the rotating shaft from rotating, effectively protects the rewinding device, avoids equipment wear due to excessive speed, and reduces use. life.

The invention belongs to the field of water environment restoration, and relates to sludge cleaning equipment for water environment restoration, which comprises a ship body, a sludge barrel is rotatably arranged on the lower side of the ship body, a sludge outlet pipe is fixedly arranged on the left side of the sludge barrel, a sludge cleaning cavity is arranged in the sludge barrel, the sludge outlet pipe is communicated with the sludge cleaning cavity, and the sludge cleaning cavity is communicated with the sludge barrel. And a rotating mechanism is fixedly arranged below the ship body. A rotating motor drives a rotating motor shaft to rotate, so that a driving gear is driven to rotate, a driven gear is driven to rotate, a stirring shaft is driven to rotate, a stirring rod is driven to rotate, a lifting gear is driven to rotate through a lifting motor, the lifting gear moves on a rack, and a sludge cleaning mechanism moves downwards; and the hydraulic cylinder drives the hydraulic rod to slide, so that the hydraulic rod pushes the sludge barrel to rotate by a certain angle, and the sludge barrel is kept in a vertical state with the river bank.

The auxiliary loading device comprises a conveying table, a conveying mechanism and a conveying mechanism, a through groove is formed in the conveying table, a conveying plate is slidably connected into the through groove, a plurality of first limiting blocks are arranged at the front end and the rear end of the conveying plate, and the lower ends of the first limiting blocks are attached to the conveying table; limiting rods are slidably connected to the first limiting blocks, a conveying mechanism is arranged at the upper ends of the first limiting blocks, and a conveying mechanism is arranged at the lower end of the conveying table. When the device is used, a motor is started to drive a rotating shaft to rotate, the rotating shaft drives a fixed rod to rotate, the fixed rod rotates to drive a movable rod to move, and then the movable rod drives a sliding block to reciprocate left and right on a connecting block; and the conveying plate can be conveniently driven to move in the horizontal direction, so that the conveying mechanism is driven to move the ceramic wine bottles, operation is easy, and personnel operation is facilitated.

The invention discloses an LED lamp installation device based on gravity stabilization. The LED lamp installation device structurally comprises a telescopic rod, a telescopic rod sleeve, the anti-skidsleeve, the fixator connecting seat and a bulb fixing structure, the LED lamp mounting device is combined with the bulb converter through the fixed grabbing stabilizer, when the LED lamp bulb is picked and installed, the operator tilts the handheld mounting device, the bulb fixing claw and the ground are kept in a vertical state, an operator can quickly align the bulb on the bulb fixing claw withthe lamp holder, the situation that a worker needs to stand below the lamp holder by a vertical handheld mounting device is avoided, the situation that the lamp holder is installed at the position ofthe lamp holder is greatly observed, neck fatigue caused by installation of the LED lamp is reduced, and meanwhile, the alignment speed is accelerated, the situation that the bulb is collided and damaged due to the fact that the arm pain shakes due to long-time hand-held is avoided, the new LED bulb can be directly installed after the old bulb is taken down through the bulb converter, so that theinstallation operation time is shortened, and the working efficiency of LED lamp installation is accelerated.

The invention relates to a stable intelligent first-aid station which comprises a box body, a through hole is formed in the front end of the box body in a penetrating mode, an opening and closing door is rotationally connected to the position, corresponding to the through hole, of the front end face of the box body, an observation window is arranged on the opening and closing door, a lock is arranged on the opening and closing door, and the opening and closing door is connected with the box body through the lock. A touch screen, an identity card reader and a two-dimensional code card are further arranged on the front end face of the box body, a taking groove is formed in the lower portion of the front end face of the box body in a penetrating mode, a baffle is rotationally connected to the position, corresponding to the taking groove, of the front end face of the box body, an audible and visual alarm is arranged at the top of the box body, and a putting mechanism is arranged in the box body. A containing and receiving component is arranged below the putting mechanism, and a PLC is fixedly connected to the inner wall of the box body. When a person is abruptly abnormal in a public place, the emergency treatment instrument can be provided for the person in time, so that the situation that life is threatened due to the fact that the person cannot be subjected to emergency treatment due to sudden arrhythmia is avoided, and life health and safety of people are guaranteed.

The invention discloses a crack measuring device for hydraulic ring geological survey based on 3D scanning, and relates to the technical field of geological survey, the crack measuring device comprises a supporting plate, the cross section of the supporting plate is in an inverted L shape, a groove is formed in the outer wall of the top of the supporting plate, and rotating columns are rotationally connected to the inner walls of the two sides of the groove; a top plate is fixedly connected to the circumferential outer wall of the rotating column, and a positioning assembly is arranged on the outer wall of the bottom of the top plate. When a worker moves the device to a to-be-detected area, the limiting effect of a coupler on a rotating rod can be relieved, at the moment, a top plate can do circular motion through a rotating column due to the gravity factor, and in the rotating process of the top plate, a positioning assembly arranged at the bottom of the top plate bears high downward pressure of the top plate; at the moment, the positioning assembly can be inserted into the soil through downward pressure generated by rotation of the top plate, so that the stability of follow-up crack detection work can be effectively guaranteed.

The invention discloses surface cleaning equipment for medical instruments for the neurology department, and relates to the technical field of medical instrument cleaning. The equipment comprises a bottom plate and a top plate, supporting columns are symmetrically and fixedly connected to the top of the bottom plate, the tops of the supporting columns are fixedly connected with the top plate, a driving motor is arranged on the top plate, the output end of the driving motor is fixedly connected with a first belt wheel, the bottom of the top plate is rotatably connected with a second belt wheel, the first belt wheel and the second belt wheel are connected through a belt, the bottom of the belt is fixedly connected with multiple hanging assemblies, the bottom plate is sequentially provided with a cleaning box, heating plates and a storage frame, the number of the heating plates is two, the heating plates are symmetrically arranged on the two sides below the hanging assemblies, the bottoms of the heating plates are fixedly connected with supporting frames, the supporting frames are fixedly connected with the bottom plate, and first transmission teeth are fixedly connected to the inner wall of one supporting frame. By means of the equipment, streamline type cleaning can be conducted on medical instruments, and the cleaning efficiency is high.

The invention discloses a novel unmanned aerial vehicle charging supply device for a power transmission line. The device relates to the technical field of unmanned aerial vehicle replenishment, and includes a base, the upper end of the base is fixedly connected with a supporting column. The upper end of the supporting column is fixedly connected with a mounting box; a sliding plate is connected into the mounting box in a sliding manner; two limiting blocks are fixedly mounted on the inner side wall of the mounting box; the upper ends of the two limiting blocks abut against the side wall of thelower end of the sliding plate. Two buffer mechanisms are symmetrically arranged at the inner bottom of the mounting box; the upper ends of the two buffer mechanisms are fixedly connected with the side wall of the lower end of a sliding plate; the inner side wall of the base is fixedly connected with a fixed plate; and a pushing mechanism is fixedly connected to the side wall of the upper end ofthe fixing plate, through cooperative use of a telescopic rod, a first spring, a moving block and a sealing plate, sealing of the inserting hole is achieved, dust is effectively prevented from entering the inserting hole in the flying process of the unmanned aerial vehicle, and therefore the situation that charging is affected is avoided.

The invention discloses water pressing experiment equipment for geological exploration engineering, and relates to the technical field of geological exploration engineering, the water pressing experiment equipment comprises a main frame body and a water pressing assembly, positioning screw rods are arranged on the two sides of the outer part of the lower end of the main frame body in a penetrating manner, and the water pressing assembly for a water pressing experiment is arranged in the middle of the inner side of the main frame body; the water pressing assembly comprises a main water tank, visible glass, scale marks, a water suction pipe, an electronic flow valve, a main water pipe, a pump body, an auxiliary water tank, a backflow pipe and a control valve, and the visible glass is arranged at the front end of the main water tank. Through mutual cooperation of multiple assemblies, multiple groups of water pressing experiments with different parameters can be carried out, the experiment process and various data during the experiment can be visually observed, the experiment data can be conveniently analyzed and compared, the experiment effect of the experiment equipment is guaranteed, water in the experiment process can be filtered, and the experiment efficiency is improved. The cleanliness of water is ensured, so that the accuracy of experimental data is ensured, and the whole experimental equipment is convenient to move.