4results about How to "Ensure support stability" patented technology

The utility model discloses a municipal administration pipeline trench support structure, including the organism, the inside wall on one side of organism is equipped with power mechanism, be equipped with four positive and negative tooth screw rods on power mechanism, and the middle part of four positive and negative tooth screw rods is commonly provided with telescopic mechanism. The utility model can make the support device have the function of automatically adjusting the support width, can adjust the spacing of two support plates according to the trench of different width, make two support plates more stably support in the trench, effectively improved the practicality of support device, guaranteed the stability of support device.

The utility model discloses an angle-adjustable flexible oil cylinder support which comprises a base, two ends of the upper portion of the base are fixedly connected with fixed frames, the interiors of the fixed frames are movably connected with movable frames, the inner ends of the movable frames are fixedly connected with fixed blocks, the upper end of the fixed block on the left side is fixedly connected with a motor, and the upper end of the fixed block on the right side is fixedly connected with an oil cylinder. By arranging the motor, the first bevel gear, the second bevel gear and the rotating shaft, angle rotation adjustment of the whole support can be achieved, meanwhile, three sets of screws in the fixing ring are matched with arc-shaped clamping plates, and a cylinder can be positioned and clamped; the supporting stability and adjustability of the whole support are ensured, and the whole support is flexible to use and can be used under different working conditions.

The utility model provides a kind of mobile phone shell with stand, belong to mobile phone accessory technical field.A kind of mobile phone shell with stand includes mobile phone shell and stand;The utility model will the upper end of the stand of length and width size and the size of mobile phone shell consistent be hinged in the upper end of mobile phone shell, so that when mobile phone is placed vertically, can overturn and unfold stand, so that the support point of stand to mobile phone shell is located above the center of gravity of mobile phone, prevent the toppling of mobile phone, guarantee the stable support when mobile phone is placed vertically, in addition, folding structure is provided on the side of stand, when folding structure deformation can reduce the width of stand, ensure that the horizontally placed mobile phone can be supported by the stand, ensure that the stand can meet the support demand under the two conditions of mobile phone horizontal placement and vertical placement, and can maintain the stable state under support, prevent the toppling problem of mobile phone.

The utility model is suitable for the technical field of geological survey, and provides an anti-collapse protection device for geological survey, which comprises a support rod, the supporting top plate is fixed at the top of the supporting rod and is used for supporting a pit hole; the fixing frame is mounted in the supporting top plate; the supporting cylinder is fixed on the fixing frame, and an extension rod is slidably mounted in the supporting cylinder; the extension plate is mounted at the top of the extension rod and is used for assisting in supporting a pit hole; and the support cylinder and the extension rod are matched with the extension plate and are used for expanding the supporting height. According to the anti-sloughing protection device for geological exploration, the supporting requirements of pits with different depths can be met through the height-adjustable supporting structure, and universality and practicability are enhanced.