75results about How to "Smooth taxiing" patented technology

The invention discloses a vernier scale for measuring the bending radius and bending angle of a numerically-controlled bending pipe. The vernier scale comprises a main scale, an angle scale and an auxiliary scale, wherein the angle scale is disk-like; the main scale and the auxiliary scale are strip-shaped; a main scale holder which extends in the radial direction is arranged on a disk body of the angle scale; an angle vernier scale is arc-shaped; the main scale is arranged on a disk surface of the angle scale through the main scale holder; the lower end of the auxiliary scale is connected to the center of the angle scale through a connection pin shaft and can freely rotate; the angle vernier scale is fixed on a scale body of the auxiliary scale; an inner arc-shaped edge of the angle vernier scale is in fit with a disk edge of the angle main scale; and central lines, in the length direction, of the main scale and the auxiliary scale respectively pass through the center of a circle of the angle scale. The invention has the advantages that: the bending radius and the bending angle of the numerically-controlled bending pipe can be accurately and effectively measured; a measurement value can be accurate to 0.02 mm; the measurement accuracy of the bending angle can be 0.02 DEG; and the vernier scale has the characteristics of simple structure, low manufacturing cost, easiness in assembly and operation and convenience for subsequent calculation.

The invention relates to a pressurizing locking die and slideway type die opening and closing device for two-template injection molding machine, which comprises a stander, wherein the stander is provided with an injection device, a die opening and closing device, a locking die device and an ejection device, wherein the die opening and closing device comprises a fixed template and a movable template, each template is provided with a mounting die, a die opening and closing oil cylinder is symmetrically arranged on one of the two templates according to the template center, and a die opening and closing oil cylinder piston rod is connected with the other one of the two templates. The pressurizing locking die and slideway type die opening and closing device for two-template injection molding machine is characterized in that the bottom of the movable template is provided with a slide block, the stander is provided with a slideway, the slide block is matched with the slideway, the locking diedevice comprises a pressurizing plate arranged in the template, and the pressurizing plate is provided with a pressurizing oil cylinder.

The invention relates to the technical field of devices for removing waste offshore drilling well pipes and drilling platform supporting vertical pipes, in particular to a pipeline inner wall supporting device of a limiting double-layer self-adaptive three-point umbrella type. The pipeline inner wall supporting device is characterized by comprising an upper layer three-point axial guide supporting mechanism and a lower layer three-point guide supporting mechanism. Three-point umbrella type crank block supporting mechanisms are arranged on the three-point axial guide supporting mechanisms, and a driving mechanism is arranged on the upper layer three-point axial guide supporting mechanism. By the adoption of the two layers of self-adaptive three-point umbrella type pipeline inner wall supporting mechanisms, the whole mechanisms have the good axial guide performance and can be stable and reliable in upward sliding inside a pipeline along the pipe wall. Three connecting rod supporting arms drive three supporting connecting rod arms to be unfolded in the radius direction in a self-centering mode, therefore, the requirements for different tightening force and the inner diameter of the inner wall of the pipeline are met, and the corresponding tightening force and the size of the inner diameter of the inner wall of the pipeline can be acquired through a control algorithm. The pipeline inner wall supporting device is convenient to use, safe and high in adaptability.

The invention discloses a blanked material transmission guiding mechanism and a transmission method of blanked materials. The blanked material transmission guiding mechanism comprises a plurality of guiding wires with smooth surfaces and twisted to rotate, a sliding way formed by surrounding of the guiding wires and a plurality of fixing rings which are fixedly surrounded on the periphery of the guiding wires. The sliding way is provided with a material inlet and a material outlet, wherein the material inlet is higher than the material outlet. The material inlet of the blanked material transmission guiding mechanism is connected with a product output end of a last work station and can receive products from the last work station. The material outlet of the blanked material transmission guiding mechanism is connected with a product input end of a next work station and can transmit the products to the next work station. The blanked material transmission guiding mechanism can achieve smooth turning and stable sliding of the products and avoids conditions of collision, sliding rail blocking and deviation from the rail.

The invention discloses an unmanned aerial vehicle for air route survey of air traffic. The unmanned aerial vehicle comprises an unmanned aerial vehicle head, an unmanned aerial vehicle body, a pair of side wings, a first balance wing, a second balance wing and a balance tailstock, wherein a radar height sensor, a Beidou positioning sensor, an ultrasonic detector and an infrared detector are arranged in the unmanned aerial vehicle head; a storage battery and a signal match are arranged in the unmanned aerial vehicle body, and an electric quantity detector is arranged below the unmanned aerialvehicle body; an information processor is arranged next to the electric quantity detector, and a command locker is arranged next to the information processor; a signal receiver is arranged below the command locker, and a wireless charging receiver is arranged below the signal receiver; and a positioning camera is arranged next to the wireless charging receiver, and a positioning supporting foot isarranged at the lower end of the unmanned aerial vehicle body. The unmanned aerial vehicle can maintain good stability and balance performance when encountering obstacles, severe weather and other special environments, self-charging can be realized, a locking mechanism is provided, instructions cannot be input from the outside during locking, and the situation of falling caused by the power consumption of the unmanned aerial vehicle when the unmanned aerial vehicle is instructed by the outside can be avoided.

The invention discloses an unmanned aerial vehicle deceleration and damping undercarriage. The unmanned aerial vehicle deceleration and damping undercarriage comprises a fuselage installation plate, a steering arm, a flange connecting assembly, a steering shaft, a tension spring, a plurality of bolts, an unmanned aerial vehicle wheel bracket and an unmanned aerial vehicle wheel. The flange connecting assembly is arranged on the fuselage installation plate. The steering shaft is connected to the flange connecting assembly in an insertion mode. The steering arm is fixedly connected to the steering shaft through the bolts. The steering shaft is fixedly connected to the unmanned aerial vehicle wheel bracket through the bolts. The unmanned aerial vehicle wheel is arranged on the unmanned aerial vehicle wheel bracket. One end of the tension spring is fixedly connected to the steering shaft, and the other end of the tension spring is fixedly connected to the unmanned aerial vehicle wheel bracket. According to the unmanned aerial vehicle deceleration and damping undercarriage, the lever principle is applied, and the upward pressure of the unmanned aerial vehicle wheel is buffered through the tension spring; when the pressure exceeds the tensile force of the tension spring, the tension spring pulls the steering shaft to move downwards; and the lower end of the steering shaft which is pressed to be low is lower than the bottom of the unmanned aerial vehicle wheel and in direct friction with the ground, so that a deceleration effect is achieved, and the landing run distance is greatly shortened.

The invention belongs to the technical field of fire extinguishing equipment, in particular to a fire-extinguishing grenade 120 and a launcher used with the same, which are used for solving the problems that existing forest fire-fighting grenades are single in application range and not powerful enough and launchers for the existing forest fire-fighting grenades are unable to meet the modern fire extinguishing requirements. The caliber of a bullet of the fire-extinguishing grenade 120 is 120mm, and a ventilating bourrelet and a bourrelet of the fire-extinguishing grenade 120 are 120mm in largest outer diameter. A plurality of vent grooves are evenly and axially distributed on the outer circular surface of the ventilating bourrelet. A plurality of belts are symmetrically disposed on the outer circular surface of a belt block, each belt has a twining angle of 6 DEG and 24''. A powder chamber is in a concave chamber structure. The launcher comprises a body pipe connected with the tail of a mortar shell 60 through a connector, the body pipe is 120mm in inner diameter, and rifling grooves corresponding to the belt block are symmetrically reserved in the body pipe. The fire-extinguishing grenade 120 and the launcher used with the same have the advantages that the method of launching the grenade as launching the mortar shell is realized, fire extinguishing methods are expanded, and the fire-extinguishing effect is improved.

The invention relates to a sledge and wheel integrated landing gear for an unmanned aircraft. The sledge and wheel integrated landing gear comprises a supporting arm and an aircraft wheel, wherein the upper end of the supporting arm is arranged at the bottom of the unmanned aircraft body; the aircraft wheel is arranged at the lower end of the supporting arm; a sledge is arranged between the aircraft wheel and the supporting arm; the upper end of the sledge is hinged to the lower end of the supporting arm of the landing gear; and the aircraft wheel is arranged at the lower end of the sledge. The sledge and wheel integrated landing gear is scientific in design and relatively low in cost and has a simple structure and a wide application range; due to a simple mechanical structure, the landing safety of the unmanned aircraft during landing is improved effectively, the shock absorption effect is good, and the sledge and wheel integrated landing gear is suitable for various environments with complicated terrains; the unmanned aircraft can be landed steadily in a flat flying place, a rugged land and a soft grass land, and obstacles with relatively large volumes can be kept away from the aircraft during landing; and furthermore, the sledge and wheel integrated landing gear occupies a small area and has a small volume, light mass, high reliability and long service life.

A drift plate with an independent tube shock-absorbing structure includes: a pedal; at least one wheel seat, comprising a wheel axle part and a shock absorber mounting part connected with the top of the wheel axle part; two rollers respectively locked through the wheel axle part by wheel axle screws; at least two independent tube type shock absorbers, wherein each shock absorber is locked and positioned between the shock absorber mounting part and the pedal respectively through a bolt element.

The invention discloses a protective device for the image section. The protective device structurally comprises a protective door supporting beam, an embedded seam, a controller, a top door beam, a working status prompter, an alarm, a bottom door beam, a sliding track, a radiation-proof lead door, a lead door roller groove, a lead door roller, a lead door roller shaft, a storage seam, a limiting protrusion, a warning sign board, a push-pull handle and a door seam encryption device. The embedded seam is formed in the interior of the right side of the protective door supporting beam and is of anintegrated formed structure with the protective door supporting beam. The protective device has the beneficial effects that the door seam encryption device is arranged in a seam between the radiation-proof lead door and the protective door supporting beam, when the radiation-proof lead door slides to the left and is at a closed state, the door seam encryption device continues to sliding to the left and meshes with the embedded seam, a door seam is filled and sealed, the possibility of radiation external leakage from the door seam is decreased, the protective performance of the protective device for the image section is improved effectively, the protection intensity is increased, and personnel outside the imaging section are protected.

The present invention relates to automobile accessory, and is especially one kind of translating bogie and one kind of transverse translating parking facility with the translating bogie. The translating bogie includes one frame, at least two parallel trundle combinations, at least one bearing roller and one steering drive mechanism. The transverse translating parking facility includes one bearing and shifting mechanism of the translating bogies in the same amount as the automobile wheels, and one connecting mechanism for fixing the bearing and shifting mechanism onto the automobile. The transverse translating parking facility has simple structure, low cost and capacity of operating in a small space.

The invention discloses a hanging wheel component of an aluminium door, belonging to the field of hardware fitting manufacturing of architectural ornaments, wherein a hanging pedestal consists of a U-shaped hanging panel and a double-groove outer box; and the double-groove outer box is riveted to the U-shaped hanging panel. By cooperation of a double-hanging pulley, a straight threaded rod and a sliding inner panel, the U-shaped hanging panel is assembled in a vertical frame of an aluminium door leaf, and the aluminium door leaf is hung in an upper rail of the aluminium door by the hanging pedestal and the double-hanging pulley, thus pushing the aluminium door to slide smoothly, conveniently and freely. The hanging wheel component disclosed by the invention has the advantages of original design, rational structure, easiness in processing, and low production cost. Meanwhile, the hanging wheel component comprises the double-hanging pulley, the sliding inner panel, etc., and is characterized in that the hanging pedestal consists of the U-shaped hanging panel and the double-groove outer box by laminating; a rectangular lug boss and a riveting hole are arranged on a plane of the double-groove outer box; arc chutes are positioned at both sides of the double-groove outer box; the two arc chutes at the same end are provided with inner screw threads respectively; and screw holes are positioned on both vertical faces of the U-shaped hanging panel.

The invention discloses laminated glass coating equipment which comprises a first workbench(1)for coating and a second workbench(2)for bearing laminated glass, the first workbench(1)comprises a rack(11), wherein a coating box(12)for accommodating a coating is arranged on the rack(11); a plurality of stirring devices(3)driven by a motor are arranged in the coating box(12); the coating box(12)is connected with a spraying gun(14)through a hose(13); a brush plate(15)and a scraper(16)are further connected to the rack(11), the second workbench(2)comprises a support(21), a sliding rail(22)and a trolley(23), the trolley(23)comprises a bearing table(24), a frame(25)and wheels(26)from top to bottom, and the wheels(26)slide on the sliding rail(22). The laminated glass coating equipment can be used for effectively, uniformly, flatly and efficiently coating the surface of laminated glass with a coating.

The invention provides a wearable personal vehicle. The wearable personal vehicle comprises brackets worn on foot parts of an operator for supporting the operators to slide, and jet propulsion devices worn on upper limbs of the operator for pushing the operators to slide; the air propulsion devices are worn on the upper limbs of the operator; as power devices are separated from the brackets, the brackets are lighter, and the flexible movement of the foot parts of the operator is guaranteed; as the moving space range of the upper limbs is wide, the operator can flexibly adjust the impulse directions of the jet propulsion devices through movement of the upper limbs; and through flexible movement of the foot parts and flexible adjustment of the impulse directions, the more stable sliding is realized.

The invention relates to a trash holding net cleaning system. The trash holding net cleaning system comprises a cleaning parent part and a cleaning son part used in cooperation with the cleaning parent part. The cleaning parent part and the cleaning son part synchronously slide relative to a trash holding net, so that the trash holding net is cleaned. A magnetic plate overturning device is arranged on the cleaning parent part, a magnetic part is arranged on the cleaning son part, magnetic attraction force between the magnetic plate overturning device and the magnetic part is adjusted by adjusting the distance and the magnetizing area between the magnetic plate overturning device and the magnetic part, needed magnetic attraction force is adjusted according to corresponding buoyancy of the cleaning parent part and the cleaning son part in water, and the working stability of the cleaning parent part and the cleaning son part in the water is guaranteed.

The invention relates to a vertical athletic toy scooter for children. The scooter comprises a front wheel carrier, a front axle, two front wheels, a brake, a parallel connecting plate, a left sliding rod, a right sliding rod, a left pedal, a right pedal, two universal rear wheels, a direction rod and a direction handle. The front wheels are mounted on the front wheel carrier through the front axle, the brake is mounted on the upper portion of the front wheel carrier, the front ends of the left sliding rod and the right sliding rod are movably connected to two sides of the front wheel carrier through two first pins respectively, and the parallel connecting plate is respectively connected with the front portions of the left sliding rod and the right sliding rod through two second pins. The left pedal is fixedly mounted in the rear of the left sliding rod, the right pedal is fixedly mounted in the rear of the right sliding rod, and the two universal rear wheels are mounted at the rear ends of the left sliding rod and the right sliding rod respectively. The direction rod is fixed on the front wheel carrier in an insertion manner, and the direction handle is mounted on the upper portion of the direction rod. The front wheel carrier and the parallel connecting plate serve as two opposite sides, the left sliding rod and the right sliding rod serve as another two opposite sides, and the four sides form a parallelogram structure through the first pins and the second pins which are used as connecting pivots.

The invention relates to the technical field of intelligent sliding rail screens, in particular to an intelligent sliding rail screen based on voice control. The intelligent sliding rail screen comprises a lifting assembly, a back plate, a moving assembly, a mounting frame and a connecting plate. The intelligent sliding rail screen is characterized in that the display range of a display screen is larger by adjusting the position of the display screen left and right, so that the display effect of the sliding rail screen is further improved; the display screen slides and is matched with the back plate, so that the dynamic and static combination effect is achieved, and the demonstration effect of the sliding rail screen is further improved; a second sliding block is used for being in sliding fit with a second sliding rail, so that sliding of the display screen is smoother; a transmission lead screw and a driven lead screw are used, so that the display screen can move more accurately and slide more stably, and the accuracy of control management of the sliding rail screen is improved; and the display screen can be pulled out by pulling the mounting frame, and convenience is provided for replacement and maintenance of the display screen.

The invention relates to an automatic nail insertion device of a prefabricated laminated plate with positioning nails. The automatic nail insertion device of the prefabricated laminated plate with thepositioning nails comprises a horizontal sliding mechanism, a longitudinal sliding mechanism, a nail entering mechanism and a flattening mechanism, wherein the nail entering mechanism comprises an insertion assembly arranged on the longitudinal sliding mechanism, a cement collecting assembly used for chiseling a pit in a cement board in a closed state and used for collecting scattered cement intothe chiseled pit in an opened state, a pressure limiting assembly arranged on the insertion assembly in a sleeving mode and used for limiting the scattered cement and a control assembly which is linked with the cement collecting assembly and used for controlling the nails in the insertion assembly to perform intermittent discharging; and the flattening mechanism comprises a tensioning assembly which is arranged at the rear of the moving track of the insertion assembly and is used for flattening the cement board with nail-driving completing and a guiding assembly which is used for guiding thesliding track of the tensioning assembly. The technical problems that large-sized stones are encountered and the pit is difficult to chisel when a hole is drilled on a prefabricated board after solidification, and after the nails are installed vertically, the installation of a heating pipe is affected due to falling off of the nails are solved

The invention discloses an energy-saving quayside container crane system provided with crossing type double trolleys. The energy-saving quayside container crane system comprises an upper trolley, a lower trolley and potential energy compensation systems, wherein the upper trolley and the lower trolley are mounted on a girder structure; each potential energy compensation system comprises a counterweight, a potential energy compensation winding system and a potential energy compensation steel wire rope, and the potential energy compensation winding system is used for transmitting driving force to lift and drop the counterweight; each potential energy compensation system further comprises a lifting winding drum allowing joint winding of a lifting steel wire rope and the potential energy compensation steel wire rope; the winding positions of each compensation steel wire rope and each lifting steel wire rope on the hoisting winding drum do not interfere with each other and are opposite; and the potential energy compensation systems comprise an upper trolley potential energy compensation winding subsystem and a lower trolley potential energy compensation winding subsystem. According to the system, forward torque generated by dead weight of lifting appliances is offset by backward torque generated by the counterweights, the overall energy consumption of the quayside container crane is reduced, further, one lifting winding drum is shared by each compensation steel wire rope and the corresponding lifting steel wire rope, accordingly, the structure is simplified, the cost is reduced, and rope winding is relatively simple and easy to achieve; and the potential energy compensation systems comprise the upper trolley potential energy compensation winding subsystem and the lower trolley potential energy compensation winding subsystem, so that the lifting appliances of the upper trolley and the lower trolley are compensated respectively.

The invention discloses A landing gear for a snowy aircraft, relating to technical field relate to aircraft landing gears. The gear, include an airframe, the lower surface of the machine body is provided with a through hole, and the lower surface of the inner wall of the machine body is fixedly connected with a fixing rod, the right end of the fixing rod is fixedly connected with a driving device,The driving device is meshed with the second gear, and the driving device is positioned in the through hole. The inner wall of the second gear is fixedly connected with the rotating device. The rotating device is clamped on the inner wall of the U-shaped plate, and the lower surface of the rotating device is fixedly connected with the top end of the load-bearing pillar. The left side surface of the U-shaped plate is fixedly connected with the right side surface of the support plate. The landing gear for the snowy aircraft is provided with an electric motor, a first gear, a second gear, a bearing, a rotating shaft, a support column, a sleigh and a crawler, thereby realizing the smooth take-off and landing of the aircraft, avoiding the occurrence of skid and tire depression when the aircraft takes off and landing on the snowy ground, increasing the stability of the aircraft and reducing the discomfort of passengers.

The invention discloses a compound needle for a flat knitting machine. The compound needle comprises a main needle and a needle sleeve mounted on the main needle in a sleeving mode; the main needle isin a long and thin shape, and a needle hook is arranged at the head of the main needle; a top corner is arranged at the top end of the needle sleeve, the side, facing the main needle, of the needlesleeve is of an open groove structure, the front side face and the rear side face of the main needle are sunken inwards to form concave faces, and the needle sleeve is clamped onto the concave faces of the main needle through an open groove; and a salient point is arranged on one of the side face, facing the needle sleeve, of the main needle and the side face, facing the main needle, of the needlesleeve, a track face is arranged on the other one of the side face, facing the needle sleeve, of the main needle and the side face, facing the main needle, of the needle sleeve, the salient point ismatched with the track face, and thus when the needle sleeve moves, the top corner moves to the needle hook for closing the main needle from an accommodating groove of the main needle. The compound needle is small in knockover resistance, small in knockover stroke and high in weaving speed; a knitting needle at the relative position can be guided to enter the needle overturning position, needle overturning is reliable, and the action is simple; and the compound needle smoothly slides in a needle groove, and a cloth cover is flat.

The invention relates to a novel slide guide rail, the novel slide guide rail comprises a slide carriage and a slide body which are slidably connected; the slide carriage is a cuboid structure with connecting holes, the upper surface of the slide carriage is provided with installation grooves, the lower surface of the slide carriage is provided with slide grooves, the slide grooves comprises a square slide groove and circular slide grooves, wherein the square slide groove and the circular slide grooves are mutually connected, and the circular slide grooves are symmetrically arranged at two sides of the square slide groove; the a slide body comprises a square slide block placed in the square slide groove, cylindrical slide blocks are symmetrically connected with two sides of the square slide block, and the cylindrical slide blocks are placed in the circular slide grooves; and the slide carriage is also provided with a square through hole connected with the square slide groove. Compared with slide guide rails in the prior art, through the adoption of sliding connection among the square slide block, cylindrical slide blocks and the slide carriage, the novel slide guide rail has the characteristics of smooth sliding, high precision, simple structure and long service life.

The invention discloses a compound needle in a flat knitting machine. The compound needle comprises a main needle and a needle sleeve which sleeves the main needle; the main needle is thin and long, and the head of the main needle is provided with a needle hook; a top angle is arranged on the top of the needle sleeve, the side, facing the main needle, of the needle sleeve is provided with a firstbuckling member and a second buckling member, first concave faces and second concave faces are arranged on the upper sections of front and rear side faces of the main needle respectively, and the first buckling member and the second buckling member are buckled on the first and second concave faces; the side face, facing the needle sleeve, of the main needle cooperatively abuts against the side face, facing the main needle, of the needle sleeve to allow the top angle to move to the needle hook of the sealed main needle from an accommodation groove of the main needle when the needle sleeve moves. The knock-over resistance of a thread on the compound needle is small, the loop withdrawal stroke is short, the knitting speed is fast, a knitting needle at an opposite position can be guided into aneedle turning position, needle turning is reliable, the motion is simple and brief, the compound needle can smoothly slide in the needle groove, and a cloth surface is flat.

The invention discloses a sliding door and window with a folding screen window. The sliding door and window comprise a sash, a first bar, a second bar and the folding screen window. Grooves are formed inside four end frames of the sash separately, three parallel tracks are arranged inside the groove in the upper end frame of the sash, three parallel tracks corresponding to the three linear slideways inside the groove in the upper end frame of the sash are arranged inside the groove in the lower end frame of the sash, the folding screen window is installed inside the track, close to the indoor part, inside the sash in a slidable mode, and the first bar and the second bar are installed on the other two adjacent tracks inside the sash separately in a slidable mode. According to the sliding door and window, the trouble that a screen window is installed additionally on a traditional sliding door and window is avoided, use is more convenient, installation time and labor are saved, the appearance is attractive, the sealing performance is better, and the mosquito and insect prevention effect is better.

The invention discloses a vertical chain conveying system of a coating production line. The vertical chain conveying system of the coating production line comprises a conveying sliding rail and a transportation trolley which slides on the conveying sliding rail; a chain transmission mechanism is arranged on one side of the outer part of the conveying sliding rail; the chain transmission mechanismcomprises a supporting base; two chain wheels arranged vertically are arranged at the two ends of the supporting base; annular chains are arranged on the two chain wheels; a chain push head capable ofbeing in clamping connection with the transportation trolley is arranged on the annular chain; a motor driving mechanism connected with one of the chain wheels is arranged on the outer side of one end of the supporting base; a frame capable of sliding and a tensioning mechanism connected with the frame are arranged at the other end of the supporting base; and the other one of the chain wheels isarranged on the frame. The vertical chain conveying system of the coating production line provided by the invention belongs to the technical field of automobile body coating production; the transportation trolley is dragged to move through the chain transmission mechanism arranged vertically; and the trolley slides stably, can adapt to different rails and has high adaptability.

The invention discloses a traversing type double-trolley system. The system comprises an upper trolley and a lower trolley, wherein the lower trolley comprises a first walking mechanism and a second walking mechanism mounted on guide rails at two sides of the upper trolley in a walking manner, a rigid frame for connecting the first walking mechanism and the second walking mechanism, and a sling connected below the rigid frame; the rigid frame is provided with a structure space with the cavity size greater than the outer wall size of the upper trolley so as to allow the upper trolley to pass, and the lower trolley meets the condition that the stabilizing moment Sigma Ms of the lower trolley is greater than capsizing moment Sigma Mo; the first walking mechanism is connected with the second walking mechanism through the rigid frame; the structure space size of the rigid frame is greater than the outer wall size of the upper trolley, so that the upper trolley sling carrying a tank can directly pass through the structure space without rotating; under the condition that the stabilizing moment Sigma Ms caused by the gravity of the lower trolley is greater than the capsizing moment Sigma Mo caused by horizontal inertia force of the lower trolley, the capsizing moment Sigma Mo caused by wind load or other reasons is overcome under the effect of the stabilizing moment of the lower trolley, so that the lower trolley always maintains steady in the operational process.

A power transmission line inspection robot based on an unmanned aerial vehicle, disclosed in the invention, comprises a robot body, the upper end of the robot body is fixedly connected with a photovoltaic suite, driving assemblies are arranged on the two sides of the robot body correspondingly, first cameras are arranged at the front end and the rear end of the robot body correspondingly, and the front end and the rear end of the robot body are each provided with an ash removal assembly. The inspection robot can be well protected by arranging the driving assemblies, the ash removal assemblies and a water removal assembly, when it is detected that birds and animals exist in accessories of the inspection robot through an obstacle sensor, a driving roller drives an internal bird repelling sound wave device to conduct driving to ensure that the inspection robot does not collide with birds, when the lens of the first camera is shielded by a flying object or high-altitude water vapor, the visual field of the inspection robot may be lost at the moment, the inspection robot is cleaned through cleaning cloth, it is ensured that ground control personnel can continue to control flight of the inspection robot, and the situation of return flight repair is reduced.

The invention discloses an energy-saving quayside container crane system provided with crossing type double trolleys. The energy-saving quayside container crane system comprises an upper trolley, a lower trolley and potential energy compensation systems, wherein the upper trolley and the lower trolley are mounted on a girder structure; each potential energy compensation system comprises a counterweight, a potential energy compensation winding system and a potential energy compensation steel wire rope, and the potential energy compensation winding system is used for transmitting driving force to lift and drop the counterweight; each potential energy compensation system further comprises a lifting winding drum allowing joint winding of a lifting steel wire rope and the potential energy compensation steel wire rope; the winding positions of each compensation steel wire rope and each lifting steel wire rope on the hoisting winding drum do not interfere with each other and are opposite; and the potential energy compensation systems comprise an upper trolley potential energy compensation winding subsystem and a lower trolley potential energy compensation winding subsystem. According to the system, forward torque generated by dead weight of lifting appliances is offset by backward torque generated by the counterweights, the overall energy consumption of the quayside container crane is reduced, further, one lifting winding drum is shared by each compensation steel wire rope and the corresponding lifting steel wire rope, accordingly, the structure is simplified, the cost is reduced, and rope winding is relatively simple and easy to achieve; and the potential energy compensation systems comprise the upper trolley potential energy compensation winding subsystem and the lower trolley potential energy compensation winding subsystem, so that the lifting appliances of the upper trolley and the lower trolley are compensated respectively.

The invention discloses a track type coin separator. The track type coin separator comprises a separation substrate and a separation cover board which are connected through a nut and a bolt, wherein a top portion of the separation substrate is equipped with a coin inlet groove, the separation substrate is provided with a coin sliding-in track denting downwards, the opposite position on a surface of the separation cover board opposite to the coin sliding-in track is provided with a convex separation pad, a first coin separation portion capable of separating big one-jiao coins, one-yuan coins, five-jiao coins and small one-jiao coins is formed between the coin sliding-in track and the separation pad, and the separation substrate and a mounting support are mounted to form an included angle in a range of 43-49 DEG. The track type coin separator has advantages of simple structure, low manufacturing cost, high work efficiency and high accuracy.

The invention discloses a traversing type double-trolley system. The system comprises an upper trolley and a lower trolley, wherein the lower trolley comprises a first walking mechanism and a second walking mechanism mounted on guide rails at two sides of the upper trolley in a walking manner, a rigid frame for connecting the first walking mechanism and the second walking mechanism, and a sling connected below the rigid frame; the rigid frame is provided with a structure space with the cavity size greater than the outer wall size of the upper trolley so as to allow the upper trolley to pass, and the lower trolley meets the condition that the stabilizing moment Sigma Ms of the lower trolley is greater than capsizing moment Sigma Mo; the first walking mechanism is connected with the second walking mechanism through the rigid frame; the structure space size of the rigid frame is greater than the outer wall size of the upper trolley, so that the upper trolley sling carrying a tank can directly pass through the structure space without rotating; under the condition that the stabilizing moment Sigma Ms caused by the gravity of the lower trolley is greater than the capsizing moment Sigma Mo caused by horizontal inertia force of the lower trolley, the capsizing moment Sigma Mo caused by wind load or other reasons is overcome under the effect of the stabilizing moment of the lower trolley, so that the lower trolley always maintains steady in the operational process.