Dwang

Abstract: The utility model discloses a wall of a well cleaning device for well drilling, including motor, support frame, dwang and wall brush, the upper surface of support frame is located to the motor, the axle head of motor is equipped with the initiative taper gear, the top of dwang is equipped with driven bevel gear, the initiative taper gear and driven bevel gear mesh mutually, the dwang includes the one -level dwang, second grade dwang and tertiary dwang, and one -level dwang, second grade dwang and tertiary dwang all rotate through the screw thread to be connected, the middle part of tertiary dwang is equipped with the slider, slider and tertiary dwang sliding connection, and pass through the bolt fastening, it is articulated mutually with the interlude of wall brush that the slider passes through the connecting rod, terminal and the tertiary dwang of wall brush articulate mutually, is advantaged by simple whole structure, high durability and convenient use, full -automaticly clean the well drilling, make this device can be suitable for the well drilling of multiple different diameters, there is better suitability, automatic controls whole device, simple structure and practicality are very wide.

Abstract: The utility model provides a fruit picking machine tool arm, including the control lever, a pedestal, and a support, first dwang, second dwang and clamping part, base lower extreme linking bridge, beequipped with the handle on the support, be equipped with the through -hole on the base, the control lever is gliding the installation in the through -hole from top to bottom, first dwang and second dwang lower extreme are articulated with the otic placode of base both sides respectively, the one end of head rod is articulated with first dwang, the one end of second connecting rod is articulated with the second dwang, the upper end of the other end of head rod and the other end of second connecting rod and control lever is articulated, centre gripping portion is connected respectively to the upper end of first dwang and second dwang This arm is fit for one -man operation, uses in a flexible way, can not cause destruction to the fruit tree

Abstract: The utility model discloses a notebook computer and multi freedom supporting structure thereof, wherein the multi freedom supporting structure is including removing base, stand, first dwang, second dwang, third dwang and supporting platform, first dwang, second dwang and third dwang head and the tail meet in proper order, and the one end of first dwang is rotated and is installed in the second pole setting, but first dwang rotates for second pole setting level, the one end of second dwang is rotated and is installed the one end of keeping away from the stand in first dwang, but the second dwang rotates for first dwang level, the damping of third dwang is rotated and is connected the one end of keeping away from first dwang in the second dwang, and the third dwang can vertical direction rotate for the second dwang, the notebook computer groove has been offered to supporting platform's wherein one side, and the cell wall edge in notebook computer groove is provided with the buckle. The regulation at notebook computer multi -angle visual angle can be realized to this multi freedom supporting structure, and it is very convenient to use.

Abstract: The utility model discloses a municipal administration is with keeping apart greenbelt trimming means, including chopping disk, chopping disk, cutting blade, elevating system and bottom plate, the lower extreme right side of chopping disk is rotated and is connected with the third dwang, and fixed mounting has bevel gear A on the third dwang, bevel gear A and the bevel gear B meshing of fixed mounting on the 3rd motor output shaft, the left side of third dwang is provided with the second dwang, and the third dwang is provided with first dwang about the position department of second dwang symmetry, rotate through the drive belt between first dwang and second dwang and connect. The utility model relates to a novelty can be adjusted cutting blade's vertical height through the elevating systemwho sets up to the realization is pruned the isolation greenbelt of the high specification of difference, adjusts the lateral separation between first dwang, second dwang and the third dwang, and then realizes different width and keep apart the pruning of greenbelt, has improved the pruning efficiency of keeping apart the greenbelt.