50results about How to "Taxiing fast" patented technology

The invention relates to a walking-type hanging basket for transmission line, which comprises a basket base frame formed by the assembly of a cross beam at the basket lower part, a longitudinal beam at the basket lower part and a three-way joint at the basket lower part, a basket top frame formed by the assembly of a cross beam at the basket upper part, a longitudinal beam at the basket upper part and a three-way joint at the basket upper part, a basket upright column is provided with a basket thin two-way joint, the basket thin two-way joint is connected to a cross beam at the basket middle part, the cross beam at the basket middle part on one side and the cross beam at the basket upper part are provided with a driving wheel support, and the driving wheel support is provided with a driving wheel device and an auxiliary tensioning wheel support, the auxiliary tensioning wheel support is provided with an auxiliary tensioning wheel device; the cross beam at the basket middle part on the other side and the cross beam at the basket upper part are provided with a driven wheel support, and the driven wheel support is provided with a driven wheel device. The invention adopts electric power drive and has providing quick sliding speed, thereby shortening construction period, improving efficiency, enabling operators to construct in standing manner.

The invention discloses a quick escape combined stairway. The quick escape combined stairway comprises a common stairway and a helical escape slide. The helical escape slide is arranged between an upper stair section and a lower stair section of the common stairway. The helical escape slide is in clearance fit with the common stairway. The clearance is annular. The helix angle of each layer of thehelical escape slide is equal to the inclination angle of the common stairway. According to the quick escape combined stairway., the original gradient of the common stairway is maintained; the helical escape slide is arranged between the upper stair section and the lower stair section of the common stairway, and the helical escape slide is in clearance fit with the common stairway; in this way, no matter what disaster happens, people can get into the helical escape slide from the common stairway to quickly escape at any time; when escaping through the helical escape slide, the sliding speed of people on each layer is only about 4 s, the speed is high, and the safety is high.

The invention discloses a full-automatic cross-country skateboard. The full-automatic cross-country skateboard is characterized in that identically structured driving devices, power transfer devices and steering connection devices are respectively arranged at the front lower end and the rear lower end of a rack pedal. During operation, the front driving device and the rear driving device can either switch freely or drive simultaneously, a front disc brake and a rear disc brake can also freely switch, front braking, rear braking or four-wheel braking can be adopted, brake pedals can be either front-mountd or rear-mounted, a driving switch can be freely switched by a foot or wireless remote operation, and the highest speed per hour can reach 50 km. The full-automatic cross-country skateboard is simple in structure, reasonable in design, high in degree of automation, time-saving and labor-saving and good in sliding effect.

The invention discloses an iron art modeling double-folding type three-wheeled dynamic skateboard made of metal round bars. The dynamic skateboard comprises an iron art modeling front pedal, an iron art modeling rear pedal, three spiral tubes, three spiral tube blank caps, two rotating tubes, a connecting rod and three universal wheels, wherein both the iron art modeling front pedal and the iron art modeling rear pedal are formed by bending and welding the metal round bars; two spiral tubes are welded at the two front ends of the iron art modeling front pedal while the other screw tube is welded at the front end of the iron art modeling rear pedal; metal pipe rings of the two rotating tubes are welded at the rear end of the iron art modeling front pedal and the front end of the iron art modeling rear pedal; plastic lining members of the two rotating tubes are pressed into metal pipes of the two rotating tubes; four rotating tube bearings are pressed into the plastic lining members of the two rotating tubes; the right-angle bending parts of the connecting rod penetrate into inner holes of rotating tube bearings in the two rotating tubes and are positioned by screwing two bolts into the threaded holes in the two ends of the connecting rod; the three universal wheels are connected into the two spiral tubes at the two front ends of the iron art modeling front pedal and the spiral tube at the front end of the iron art modeling rear pedal respectively.

The invention relates to a two-section type inline-skating bracket which is used for speed skating sports. The two-section type inline-skating bracket adopts the structure that a front movable bracket is arranged on a skating bracket; a fixing part with at least two wheels is arranged on the front movable bracket in line; the front movable bracket is arranged between a horizontal line and a vertical line of an axle line of the wheel fixing part of the first wheel and the second wheel from front to back and fixed at the front end of a base by a fixed connecting element which can rotate up and down; and a resetting device is arranged on the front movable bracket and the base together. The invention can provide two accelerations for rollerskates when the rear foot takes every step in skating, still maintains at least two front wheels to be in continuous contact with the ground when the ankles are lifted and the rear wheels to be off the ground and reduces the friction force with the ground, thereby improving the skating speed.

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 double-edged skate comprising cutting edges and fillers; wherein the cutting edges on both sides of the skate are downward and the fillers are bonded in the center. The cutting edges on both sides of the skate are made of metal materials and the fillers are hard plastics or composite materials. The double-edged skate is suitable for making various ice hockey knives, pattern knives and broad body skates, and is characterized for skate foot and sharp, which are beneficial to the athletes for making pedal ice, sudden stop and turning technical movements. The fillers in the central skate are hard plastics or composite materials, which have less friction between the ice surface than the friction between metals and the ice surface; thereby the double-edged skate is suitable for the skating amateurs to improve sliding speed. In addition, the sharp cutting edges on both sides of the skate are suitable for the skating amateurs to make various sudden stop, turning or jumping movements; thereby the athletes become more flexible and agile.

The invention relates to a pair of speed skating boots, and belongs to the field of sports instruments. The pair of speed skating boots solves the problem that ice skate blades of existing speed skating boots are unreliable in lubricating effect obtained purely in virtue of human body pressure intensity. Each speed skating boot comprises a boot body, a connecting rack and a blade body; the blade body is fixedly onto the bottom surface of the boot body through the connecting rack. Each speed skating boot also comprises a spray head, a connecting pipe, a water storage tank and a hand switch; the spray head is fixed at the position of the upper surface of the front end of the blade body; a spray nozzle of the spray head faces the front part of the front end of the blade body; a water inlet of the spray head is connected onto a water outlet of the water storage tank through the connecting pipe; and the hand switch is arranged on the connecting pipe. During ice skating of a speed skating person, water is sprayed by the spray head in front of the blade bodies, a water film is formed on an ice surface, and the friction force between the blade bodies and the ice surface is reduced, so that the skating speed can be increased. Due to the fact that the sprayed water cannot be frozen instantly, the problem that a stable water lubricating effect cannot be formed by the human body pressure intensity after the temperature is reduced is solved.

The invention relates to the technical field of house buildings, in particular to a high-rise building emergency escape spiral sliding ladder special for fire protection. The spiral sliding ladder comprises an upper spiral sliding track and a lower spiral sliding track, and the upper spiral sliding track and the lower spiral sliding track are arranged in an equally spaced mode and connected with escape ways of adjacent floors respectively. Safety doors are arranged at the entrances, for the sliding tracks of the spiral sliding ladder, of all floors, and thus the spiral sliding ladder is completely isolated from the interior of a high-rise building. The spiral sliding ladder overcomes the defect that in the prior art, escape ways are narrow and crowded, people enter the two sliding tracks of the spiral sliding ladder in a scattered mode from different floors, and the accidents of scaring, crowding, stampeding and the like are effectively avoided; after people enter the spiral sliding ladder, the safety doors are automatically closed, and invasion of poisonous and harmful gas is effectively stopped; the sliding speed is high, the safety coefficient is high, the sliding speed can be adjusted through a flexible rubber band; the bottom surfaces of the sliding tracks are designed to be arc, and the centrifugal force generated in sliding can be effectively reduced.

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.

The invention provides a passing type double-trolley quay-crane loading and unloading system. The passing type double-trolley quay-crane loading and unloading system is characterized in that a ferry system comprises a ferry bridge, a first vertical guide rail structure and a ferry trolley; a transtainer system comprises a three-dimensional transtainer, a first transverse guide rail structure, and at least one three-dimensional transtainer transferring trolley, wherein the first transverse guide rail structure is arranged in the three-dimensional transtainer; the at least one three-dimensional transtainer transferring trolley moves along the first transverse guide rail structure; a second transverse guide rail structure is also arranged on the top part of the ferry trolley; when the ferry trolley runs to a part in which the first vertical guide rail structure is connected with the first transverse guide rail structure, the three-dimensional ferry transferring trolley can be moved from the first transverse guide rail structure to the second transverse guide rail structure. According to the passing type double-trolley quay-crane loading and unloading system, the second transverse guide rail structure is arranged on the ferry trolley, thus any three-dimensional transtainer transferring trolley can smoothly arrive at the place below a container caught by a quay crane system through the transtainer, and as a result, the aligning efficient of the three-dimensional transtainer transferring trolley and the quay crane system can be raised; in addition, the three-dimensional transtainer transferring trolley can be continuously circulated, and thus the loading and unloading efficiency of the whole loading and unloading system can be raised.

The invention relates to the technical field of ice skate blade bridges, and discloses a novel adjustable power-assisted ice skate blade bridge structure. The structure comprises an ice skate blade, a mounting seat is fixedly mounted on the top side of the ice skate blade, a connecting mechanism is arranged on one side of the top of the mounting seat, a blade bridge mechanism is arranged on the connecting mechanism, and a power assisting mechanism is arranged at the bottom of the cutter bridge mechanism. By arranging the connecting mechanism, the blade bridge mechanism and the power assisting mechanism, when a user does a skating pedaling action in use, the power assisting mechanism can exert counter-acting force on the power assisting mechanism when the user exerts acting force on the power assisting mechanism, so that energy loss of an athlete during sliding can be remarkably reduced, the sliding speed of the athlete can be effectively increased, and sport injuries are reduced.

The invention discloses an iron art modeling double-folding type dynamic skateboard made of metal round bars. The dynamic skateboard comprises an iron art modeling front pedal, an iron art modeling rear pedal, two screw tubes, two screw tube blank caps, two rotating tubes, a connecting rod and two universal wheels, wherein both the iron art modeling front pedal and the iron art modeling rear pedal are formed by bending and welding the metal round bars; the two screw tubes are welded at the front end of the iron art modeling front pedal and the front end of the iron art modeling rear pedal; metal pipe rings of the two rotating tubes are welded at the back end of the iron art modeling front pedal and the front end of the iron art modeling rear pedal; plastic lining members of the two rotating tubes are pressed into the metal pipe rings of the two rotating tubes; four rotating tube bearings are pressed into counter bores of the plastic lining members of the two rotating tubes; the right-angle bending parts of the connecting rod penetrate into inner holes of rotating tube bearings in the two rotating tubes and are positioned by screwing two bolts into threaded holes in the two ends of the connecting rod; the two universal wheels are connected into the screw tube at the front end of the iron art modeling front pedal and the screw tube at the front end of the iron art modeling rear pedal respectively.

The invention relates to a quick skiing board with an upper concave arc-shaped bottom surface. The quick skiing board comprises a skiing board body (1), wherein the bottom surface of the skiing board body (1) between two board blades (14) from the front end of a board head (11) to the back end of a board tail (13) is an upper concave arc-shaped surface (15) with cross section of which the middle part is high and both sides are low, or the bottom surface of the skiing board body (1) between two board blades (14) from the front end of the board head (11) to the middle part or middle-back part of a board waist (12) is an upper concave arc-shaped surface (15) with cross section of which the middle part is high and both sides are low; the bottom surface of the board waist (12) is a flat surface with a straight cross section, and the bottom surface of the board tail (13) is an arc-shaped surface with a straight cross section at the back part of the upper concave arc-shaped bottom surface of the skiing board body (1). The quick skiing board has the advantages that the skiing speed is higher, the weight is lighter, the strength is higher, and the use effect is better; the contact area between the skiing board and snow is increased under the condition of not increasing the widths of the skiing board head, the board waist and the board tail, the pressure on the snow surface is smaller, and the skiing speed is quicker.