Automatic step ladder
A technology of automatic step ladders and linkage plates, which is applied in escalators, transportation and packaging, etc. It can solve the problems of unsafe hidden dangers, the elderly are struggling to go up and down stairs, and they are easy to fall, so as to achieve convenient operation, solve the difficulty, and prevent accidental falls Effect
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specific Embodiment approach 1
[0020] Specific implementation mode one: as Figure 1 to Figure 9 As shown, this embodiment discloses an automatic step ladder, including a channel steel 1, a rail car 2, a support device 3, a bottom plate 5, a pedal 6, a steel wire 7, a pulley 8 and a hoist 9, and the two sides of the channel steel 1 The wall is relatively bent, and the channel steel 1 is fixedly connected to the ascending stairs, the descending stairs and the wall on one side of the platform on each floor. The rail car 2 is fixedly connected, the lower end of the support device 3 is fixedly connected to the base plate 5, the base plate 5 is connected to the pedal 6 in rotation, and the channel steel 1 is internally rotatably connected to the wheel shaft of the pulley 8 pulley 8 and the channel steel 1 through the bearing Rotation connection, the channel steel 1 is provided with a steel wire 7 inside, the steel wire 7 bypasses the pulley 8, the steel wire 7 is wound on the winch 9, the two ends of the steel w...
specific Embodiment approach 2
[0021] Specific implementation mode two: as image 3 As shown, this embodiment is a further description of the specific embodiment one. The rail car 2 includes: two axles 2-1, four wheels 2-2 and a plurality of hinge plates 2-3, each of which The two ends of the axle 2-1 are respectively rotatably connected with a wheel 2-2, the plurality of hinged plates 2-3 are arranged sequentially, and each adjacent two hinged plates 2-3 are hinged, and the hinged plates at both ends The plates 2-3 are respectively fixedly connected to the corresponding axles 2-1; the two ends of the steel wire 7 are respectively fixedly connected to the two axles 2-1.
specific Embodiment approach 3
[0022] Specific implementation mode three: as Figure 4 As shown, this embodiment is a further description of specific embodiment 1. The support device 3 includes a linkage plate 3-1, a sleeve 3-4, a sliding column 3-5, a limit column 3-6, two A ball shaft 3-2 and two support columns 3-3, the bottom of the hinge plate 2-3 at both ends is fixedly connected with one end of a support column 3-3 respectively, and the other end of each support column 3-3 is connected to the corresponding One ball shaft 3-2 is fixedly connected, the lower ends of the two ball shafts 3-2 are rotationally connected with the linkage plate 3-1, and the bottom of one end of the linkage plate 3-1 is hinged with a sliding column 3-5, and the sliding column The lower end of 3-5 is slidingly arranged in the sleeve 3-4, and the other end of the linkage plate 3-1 is hinged to the limit column 3-6; the sleeve 3-4 is fixedly connected to the lower end of the limit column 3-6. Bottom plate 5.
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