8results about How to "Effective height adjustment" patented technology

An electric hoist with a fall-prevention structure effectively solves the problem of the risk of electric hoist falling. It includes a track, an electric trolley, and a hoist body. The hoist body is equipped with protective devices located on the front and rear sides of the electric trolley. Each protective device includes a frame, which is fixedly connected to the hoist body. A rotating shaft is mounted on the frame, and a first screw and a second screw with opposite thread directions are coaxially fixed to the rotating shaft. The first screw is threadedly connected to a first nut, and a first frame is fixed to the upper end of the first nut. A first roller in contact with the track is rotatably connected to the lower end of a first positioning plate. Multiple third screws are fixed to the lower end of the first frame, inserting vertically into the interior of the first frame. A second screw is threadedly connected to a second nut, and a second frame is fixed to the upper end of the second nut. A second roller in contact with the track is rotatably connected to the lower end of a second positioning plate. Multiple fourth screws are fixed to the lower end of the second frame, inserting vertically into the interior of the second frame.

The utility model belongs to the technical field of bottle body sealing quality detection, and provides a bottle aluminum foil sealing quality detection device which comprises a cabinet, a lifting frame, a thermodetector, a conveying assembly and a pushing piece. The thermodetector is fixedly arranged on the lifting frame; the conveying assembly is arranged on the machine cabinet in a conveying mode, located below the thermodetector and used for conveying bottle bodies. The pushing piece is slidably arranged on the top face of the conveying assembly, the sliding direction is perpendicular to the conveying direction of the bottle bodies, and the pushing piece is located behind the temperature measuring instrument in the conveying direction of the bottle bodies. By means of the technical scheme, the problems that an existing sub-aluminum foil sealing quality detection device cannot meet sealing quality detection of bottles of different sizes and batches, and practicability is poor are solved.

The utility model discloses a height-adjustable trundle device for a low rack. The height-adjustable trundle device comprises the rack and two pairs of trundle mechanisms, the two pairs of trundle mechanisms are installed on the two sides of the rack and each comprise a support, a connecting plate is fixed to one side of the support and fixed to the side wall of the rack, an adjusting shaft is arranged in the support in an up-down sliding mode, the bottom end of the adjusting shaft is connected with a supporting plate, the adjusting shaft is arranged between the support and the supporting plate and provided with a threaded section, and the threaded section is in threaded connection with a nut. Moving wheels are installed at the bottom of the supporting plate, an installation sleeve is fixed to the supporting plate, the end, close to the supporting plate, of the adjusting shaft is inserted into the installation sleeve, a third bolt is arranged between the supporting plate and the adjusting shaft, a locking groove is formed in the support, a locking piece is arranged on the locking groove, and a second bolt is installed between the locking piece and the adjusting shaft. And a second screw hole matched with the second bolt is formed in the adjusting shaft. Through the relevant structural design, the height of the machine frame can be effectively adjusted according to actual use requirements.

The utility model discloses adjustable height formula fruit tree support for picking experience, it includes bottom plate: the top welding of bottom plate has the vertical pole and is fixedly connected with two symmetrical setting slide rails through bolt, the surface sliding connection of slide rail has the sliding block, the bottom installation of bottom plate has universal wheel, the surface sliding connection of vertical pole has the transverse board, the common rotation connection of hinge board is passed through the pivot between transverse board and sliding block, the top welding of bottom plate has fixed block, the surface rotation connection of fixed block has the threaded rod. The utility model discloses through rotating threaded rod and drives threaded block movement, makes threaded block through cross bar and drives sliding block in horizontal direction and slide appropriate distance, at this moment under the limiting effect of vertical pole, makes sliding block through hinge board and drives transverse board and moves appropriate movement in vertical direction, can reach the effective height of fruit tree support and be adjusted to the purpose that makes the support height can be adapted to the height of actual picking experience fruit tree, and then improves the applicability of support.

This utility model discloses a tooling trolley for changing the head of a molding machine, comprising: a base plate, a top plate directly above the base plate, protrusions installed at the four corners of the top of the base plate and the four corners of the bottom of the top plate, lifting support frames installed on the sides of the base plate and the top plate through the protrusions, a rotating disk at the front end of the top of the top plate, a bracket plate installed on the top of the rotating disk, two symmetrical support grooves on the surface of the bracket plate, a stabilizing mechanism installed on the surface of the top plate, the stabilizing mechanism including a locking component and a supporting component, a rectangular groove opened on the surface of the top plate near the rear, the locking component being movably disposed in the rectangular groove, and the supporting component being disposed at the front end of the top plate. When using this device, through mechanized drive, precise positioning, structural reinforcement and functional integration, the efficiency, safety and adaptability problems of existing devices are systematically solved.

The utility model provides an automatic mechanical clamping structure, which relates to the technical field of mechanical clamping and comprises a conveying frame, clamping lifting frames are symmetrically mounted on two sides of the conveying frame, lifting blocks are movably mounted on the inner sides of the clamping lifting frames, turnover motors are arranged on the side surfaces of the lifting blocks, and one end of each turnover motor is connected with a clamping frame. Lifting adjustment sliding is provided for the lifting block through the clamping lifting frame, meanwhile, the lifting motor is matched to drive the lifting threaded rod to rotate, so that effective height adjustment is achieved, the overturning motor is connected with the clamping frame, and therefore the overturning transmission effect can be provided, and the working efficiency is improved. And meanwhile, the clamping air cylinder pushes the clamping frame to move so as to achieve telescopic adjustment, the two sets of clamping structures are oppositely pushed, so that effective lateral clamping is achieved, meanwhile, the clamping air cylinder controls the clamping plate to conduct synchronous telescopic adjustment, the guiding effect can be achieved through the sliding rail in the clamping process, and therefore efficient feeding and discharging operation can be conducted.

The utility model discloses a clamping device of a lower limb lifting device, and particularly relates to the technical field of clamping devices, a control assembly can effectively adjust the height of an inclined table, a rotating roller is connected with a fixed table through a mounting plate, the rotating roller can rotate in the mounting plate, and a locking knob at one end of the rotating roller is used for fixing. A long shaft and a short shaft of a convex seat at the other end of the rotating roller are different in length, when the locking knob is unscrewed to rotate the rotating roller, the supporting state of the convex seat between the fixed table and the inclined table is changed, so that the inclined table rises or falls, the locking knob is screwed down to lock the height after adjustment is completed, and the design can meet the requirements of different users for the lifting height of the lower limbs; the inclined table is better attached to the human body, the applicability of the device is enhanced, the design of the arc-shaped window is very gentle, the lower limbs of the human body can slide in the device along an arc-shaped path, the actions such as unfolding and folding can be achieved, the device can adapt to the actions such as slight flexion and extension and separation and folding of the legs in the using process, and the problem that blood circulation is not smooth is effectively solved.

The utility model discloses a component display device for the internet of things, and relates to the technical field of internet of things equipment, the component display device comprises a supporting table, the bottom of the supporting table is fixedly provided with supporting legs, the two ends of the top of the supporting table are fixedly provided with supporting plates, a supporting column is arranged above the supporting table, the top of the supporting column is provided with a carrier plate, and the carrier plate is provided with a supporting plate. A motor is fixedly connected to the center of the top of the supporting leg in a sleeving mode, a transmission column is fixedly installed at the driving end of the motor, and a lifting mechanism is arranged at the top of the transmission column. Through mutual cooperation of the threaded column, the transmission column, the motor, the threaded sleeve column, the sliding groove, the connecting plate, the sliding plate and the sliding rod, the problems that an existing display device is poor in flexibility, the height of displayed components cannot be adjusted, and the display effect of the device is affected are solved, the height adjusting function is achieved, the height of the components displayed on the device is effectively adjusted, and the display effect of the device is improved. The display effect of the device is improved, and the flexibility of the device is improved.