22 results about "Lift thread" patented technology

The utility model relates to the technical field of production line equipment, in particular to a novel adsorption device. Comprising a lifting plate, lifting threaded columns are in threaded connection with the interiors of the four end corners of the lifting plate, a fixing shell is fixed to the bottoms of the lifting threaded columns, a suction cup is fixed to the bottom of the fixing shell, and an adjusting mechanism used for increasing suction force is installed in the fixing shell; the adjusting mechanism comprises an adsorption adjusting driving motor, an adjusting threaded rod, a lifting column, a sliding block and a sealing disc, the adsorption adjusting driving motor is fixed to the top end of the interior of the fixing shell, and the output end of the adsorption adjusting driving motor is connected with the adjusting threaded rod. According to the novel adsorption device, through cooperation of the lifting plate, the lifting threaded column, the fixing shell, the suction cup and the adjusting mechanism, the height of the suction cup can be adjusted by rotating the lifting threaded column according to needs, and meanwhile the lifting column ascends in the fixing shell to drive the sealing disc to extract air on the inner side of the suction cup upwards; therefore, the adsorption force between the sucker and the adsorbed object is increased.

The utility model discloses a double-motor sub-control type electric shutter driving mechanism, which belongs to the technical field of electric shutters and comprises a turnover motor, a lifting motor, a turnover shaft, a lifting shaft, a double-shaft seat and a mechanical-electrical interlocking limiting device, the turnover shaft and the lifting shaft are arranged in parallel, and the double-shaft seat is fixed in a top frame of a shutter body through an L-shaped mounting seat. The turning wheel and the lifting winding reel are in key connection respectively, so that an independent transmission path of the lifting rope and the turning rope is realized; the limiting device comprises a rectangular frame, an overturning / lifting threaded shaft barrel penetrating through the rectangular frame, a control block in threaded sleeving connection and a guide groove type limiting switch set, and a corresponding limiting switch is triggered through sliding of an overturning protruding block and a lifting protruding block along a guide groove, so that a motor driving signal is directly cut off. Through the double-motor time-sharing control logic and the thread pair linkage limiting design, rope abrasion and unexpected displacement caused by action coupling are thoroughly eliminated, the positioning precision reaches + / -0.05 mm, meanwhile, the standby energy consumption is reduced by 62%, and the device is suitable for high-rise buildings and intelligent home scenes.

The utility model relates to the technical field of sound boxes, in particular to a multipurpose sound box convenient to adjust, which comprises an L-shaped bearing plate, a supporting block and a moving wheel are fixedly mounted at the left end and the right end of the bottom of the L-shaped bearing plate respectively, and a pull rod is fixedly mounted at the upper end of the right side of the L-shaped bearing plate; and the two fixing plates are rectangular, the left sides of the two fixing plates are fixedly connected to the upper end and the lower end of the right side of the L-shaped bearing plate correspondingly, the inner sides of the two fixing plates are movably connected with lifting threaded rods through bearings, the tops of the lifting threaded rods are fixedly connected with rotating wheels, and the lower ends of the outer surfaces of the lifting threaded rods are in threaded connection with moving plates. According to the utility model, the rotating wheel drives the lifting threaded rod to rotate, so that the moving plate moves up and down on the outer surface of the lifting threaded rod, the moving stability of the moving plate is ensured under the assistance of the through groove, and the moving plate can synchronously drive the frame plate to move while moving, so that the use height of the sound box can be quickly adjusted.

The invention discloses a process control method for improving a deformed steel bar negative tolerance technology, and belongs to the technical field of bar rolling, and the control method comprises the steps of small-specification slitting rolled finished product size optimization, small-specification slitting line difference fluctuation optimization, small-specification double-length head and tail size fluctuation optimization and large-specification deformed steel bar negative tolerance and inner diameter optimization. The method aims at the technical bottlenecks that in existing deformed steel bar negative tolerance rolling, the inner diameter of a small-specification slitting rolled finished product is prone to exceeding the standard, the slitting line difference fluctuation is large, the double-length head and tail size difference is obvious, the large-specification negative tolerance is small, and the inner diameter is prone to exceeding the standard. According to the method, negative tolerance improvement is achieved through multi-dimensional collaborative optimization, the base circle size of a small-specification finished hole pattern is optimized, the rolling mill assembly precision is controlled, a pre-segmentation hole pattern is iteratively adjusted, a precise guide and guard beam is applied, electrical parameters are optimized, a rolling control system is upgraded, and large-specification finished hole pattern parameters are iterated for multiple rounds; and after application, the market competitiveness and management and delivery benefits of products are remarkably improved.

The utility model relates to the technical field of gear ring machining, in particular to a wind power gear box gear ring sand blasting tool which comprises a base plate and a cover plate, an annular check block extending upwards is arranged on the base plate, a hoisting threaded hole is formed in the base plate, an annular check ring extending downwards is arranged on the cover plate, and reinforcing ribs are arranged on the upper end face of the cover plate. And hanging rings are arranged on the reinforcing ribs. The problems that the process is complex, the machining efficiency is low and the gear ring precision is low due to the fact that complex and changeable process requirements cannot be accurately met can be solved.

The utility model discloses an elevator support convenient to fold, which comprises a base, a second motor is fixedly connected above the base, the second motor is fixedly connected with a propelling threaded column, the periphery of the propelling threaded column is respectively in threaded connection with a first fixing block and a second fixing block, and the propelling threaded column is in threaded connection with an embedded threaded block. According to the elevator support, through a unique adjustable supporting structure, various uneven ground conditions can be effectively handled, when the elevator support meets the uneven ground, the multiple sets of lifting threaded columns at the bottom of the base can be adjusted, the lifting threaded columns can be adjusted, and the stability of the elevator support is improved. According to the folding elevator, the first worm wheel is driven to slide downwards along threads in the first worm wheel, so that the base is stably supported, a threaded column is pushed to drive an embedded threaded block to further ensure that the bottom of the pedal can be tightly attached to the upper portion of a second fixing block, and the folding design facilitates storage and transportation of the elevator in a non-working state.

The invention discloses a power distribution capacity increasing device for power distribution engineering, which comprises a capacity increasing box body, the bottom of the capacity increasing box body is rotatably connected with a twisting rod, the upper part of the twisting rod is fixedly connected with a box fixing gear, the box fixing gear is in meshed connection with a plate fixing rack, the side part of the plate fixing rack is provided with a sliding plate, and the side part of the sliding plate is fixedly connected with a fixing plate. A lifting threaded rod is rotationally connected to the upper portion of the fixing plate, a sliding groove block is connected to the lifting threaded rod in a threaded mode, a damping plate is arranged on the side portion of the sliding groove block, and a compression spring is arranged below the damping plate. And a larger operation space is created for workers. Compared with a traditional narrow capacity increasing box operation environment, the extensible space enables workers to check and maintain equipment more freely, operation in a narrow space is not needed, and maintenance efficiency and operation convenience are greatly improved.

The utility model discloses a high-temperature pipeline hanging type steel structure support and belongs to the technical field of pipeline supports, lifting threads are arranged at the outer ends of lifting limiting rods in a winding mode, limiting rods are installed on the two sides of a rotary disc, and the rotary disc and the limiting rods rotate up and down to ascend and descend along the lifting threads on the lifting limiting rods. The lifting limiting rod and the sliding block move along the two sides of the transverse sliding rail, the functions of left-right adjustment and rotary steering are achieved, a lifting driving cavity is formed in the limiting rod, a lifting gear is rotationally installed in the lifting driving cavity and is in driving connection with a driving part, and a movable part is installed on the inner side of the limiting rod in a lifting mode. Lifting driving holes are formed in the two sides of the movable part correspondingly, the lifting gears are meshed with the lifting driving holes, heat dissipation partition blocks are distributed on the inner side of the movable part, and a pipeline body is placed on the inner ring of the movable part. And the lifting gear rotates to drive the movable part to achieve the stable and automatic lifting function.

The utility model provides a kind of equipment mobile trolley, including two symmetrical support base plate, four corners of the bottom of two support base plate are uniformly provided with million slide wheel, four corners of top are uniformly provided with support rod, the top of support rod is provided with top box, liftable placing table is movably arranged between two support base plate, two sides of the top of liftable placing table are symmetrically provided with connecting frame, the outside of connecting frame is provided with two sliding sleeves, two sliding sleeves are respectively sleeved on corresponding two support rods, rotatable lifting lead screw is further provided between two support base plate and top box, the outside of connecting frame is provided with lifting threaded sleeve, which is screwed on the outside of corresponding lifting lead screw. By setting liftable placing table structure between two symmetrical support base plate, stable lifting of liftable placing table is realized, effectively overcome the height difference problem caused by moving wheel of traditional trolley, so that welding machine and other equipment can be more easily moved from ground to liftable placing table.

The utility model discloses an automatic dotting device which comprises a machining table, a first thread end barrel, a second thread end barrel, two X-axis ball screws, a Y-axis ball screw, a dotting machine and a controller. A plurality of wire grooves are formed in the processing table; the first thread end barrel is fixedly installed at one end of the machining table, the second thread end barrel is fixedly installed at the other end of the machining table, and the two X-axis ball screws are symmetrically installed on the fixing table. The two X-axis ball screws are respectively connected with a y-axis fixing seat and a y-axis supporting seat; the two ends of a rod body of the Y-axis ball screw are installed on the y-axis fixing base and the y-axis supporting base respectively. The dotting machine is fixedly connected to the Y-axis ball screw, the controller is electrically connected with the dotting machine, and the controller is used for controlling the dotting machine. According to the utility model, the cable dotting processing efficiency can be improved, the operation accuracy can be improved, and the working intensity of workers can be reduced.

The utility model discloses a limit mechanism for galvanized steel installation, which comprises a limit hanging piece, a limit sleeve belt, a fastening rod and a groove top pressing piece, the limit hanging piece is provided with two vertically arranged through holes, the belt body of the limit sleeve belt is inserted in the through holes, the limit sleeve belt is enclosed to form a limit belt ring, and the fastening rod is fixed on the limit belt ring. The groove jacking part is placed at the top in the limiting belt ring, a column hole is formed in the groove jacking part, a fastening rod is inserted into the column hole, the bottom end of the fastening rod extends to the position below the groove jacking part and is rotationally sleeved with a jacking rotating ring, and a lifting thread is arranged on the portion, below the jacking rotating ring, of the fastening rod. The fastening rod is connected to the top of the limiting hanging piece in a screwed mode through the lifting threads, and the top end of the fastening rod extends to the position above the limiting belt ring and is provided with a rotating piece. The fixing device has the beneficial effects that a belt body type limiting and fixing structure is adopted, galvanized steel of different shapes and diameters can be sleeved and fixed conveniently, use is convenient, and fastening is stable.

The present invention provides a wood floor processing and polishing equipment, including a processing table, wherein lifting threaded columns are movably embedded around the upper part of the processing table, and a lifting plate seat is threadedly connected on the outer wall of the lifting threaded column; conveying rollers are axially connected between the left and right sides of the lifting plate seat, and a conveyor belt is sleeved on the outer side of the conveying roller; a gear box is bolted to the right side of the outer wall of the lifting plate seat; a first motor is bolted to the front end of the gear box, and the front and rear ends of the gear box are embedded and connected with the output shaft of the gear box and the shaft at the front end of the conveying roller. The present invention sets a wooden floor surface flatness detection seat structure. When the wooden floor surface is uneven, the measured spacing changes, and the flatness is known according to the change amplitude for use, which is convenient for subsequent re-polishing and fine processing of the wooden floor, so as to meet the needs of wooden floor application.

The utility model provides an anti-falling building scaffold. According to the anti-falling building scaffold, a lifting motor is fixedly connected to the interior of a platform, the output end of the lifting motor is fixedly connected with a first belt pulley, two second belt pulleys are rotationally connected to the interior of the platform, and lifting threaded rods are fixedly connected to the tops of the two second belt pulleys; the tops of the two lifting threaded rods are fixedly connected with limiting covers, the outer surfaces of the two lifting threaded rods are in threaded connection with a bearing box, an in-out door is arranged on the front face of the bearing box, and a handle is fixedly connected to the front face of the in-out door. According to the anti-falling building scaffold provided by the utility model, through the device, objects falling from high altitudes can be prevented, potential safety hazards are solved, and constructors in the bearing box can be effectively protected.

The utility model relates to the technical field of automatic machine tools, in particular to a structure capable of achieving automatic rotation to break away from material clamping during material clamping, which comprises a base, the top of the base is fixedly connected with the bottom of a transmission mechanism, and during material clamping, a feeding bottom plate is pushed to move linearly during feeding of a next workpiece, so that the next workpiece is clamped. The feeding bottom plate linearly moves to drive the lifting threaded pipe to linearly move, the lifting threaded pipe linearly moves to drive the transmission gear shaft to linearly move, the transmission gear shaft linearly moves to enable the transmission gear shaft to rotate through the meshing effect of the transmission gear shaft and the transmission gear plate, and the transmission gear shaft rotates to drive the lifting threaded pipe to rotate. The lifting threaded pipe rotates to drive the lifting threaded rod to move upwards under the action of threads, lifting threads move upwards to drive the lifting top plate to move upwards, the lifting top plate moves upwards to clamp materials, the clamped materials can be separated from the clamped state, automatic rotation is achieved to separate the clamped materials, the operation that workers take out the clamped materials manually is avoided, and the working efficiency is improved. And convenience is brought to production of people.

The utility model relates to the technical field of flange machining, in particular to a speed reducer flange machining die which comprises a base, a hydraulic rod is fixedly installed on the surface of the base, a clamping threaded rod, a corner threaded rod, a lifting threaded rod and a die holder are arranged, by means of the synergistic effect of the structures, the clamping threaded rod can synchronously drive clamping seats A and B which are symmetrically distributed, and the clamping seats A and B can be synchronously driven by the hydraulic rod. The rapid centering and uniform clamping of the flange are achieved, deformation caused by uneven stress is avoided, a corner motor accurately controls synchronous rotation of the clamping plates A and B, the flange is flexibly adjusted according to a preset angle, the multi-angle machining requirements of inclined planes, beveled edges and the like are met, a lifting threaded rod is matched with a lifting sliding rod, a die holder is driven to symmetrically ascend and descend, and the flange centering and clamping device can adapt to clamping of flanges of different heights and can also adapt to clamping of the flanges of different heights. And the machining height can be dynamically adjusted when the flange rotates, it is ensured that the cutter and the workpiece are kept at the optimal cutting position, the device is suitable for production of multi-specification and high-precision speed reducer flanges, and a solution is provided for efficient machining of complex workpieces.

The present invention discloses a material transport device for ancient building engineering construction and a method for using the same, including: a support mechanism, the support mechanism including a carrier frame and a moving part, the outer surfaces of both sides of the carrier frame are provided with moving openings, the bottom of the carrier frame is fixedly connected with a bottom plate, two lifting threaded rods are rotatably connected between the top surface of the carrier frame and the top of the bottom plate, the outer surface of each lifting threaded rod is threadedly connected with a lifting sheet, and a lifting frame is rotatably connected between the relative outer surfaces of the two lifting sheets. In the present invention, when in use, the installation and setting of the existing control device can be performed through the control box, and then by controlling the support cylinder close to one side of the lifting cylinder, the use height of the carrier frame on one side of the lifting cylinder can be effectively reduced, and then by controlling to start the lifting cylinder, the lifting cylinder can be enabled to lower the corresponding lifting frame to the lowest point close to the ground, and at the same time, the lifting motor is controlled to start, so that the lifting motor can drive the first worm to rotate.

The utility model discloses a piece taking jig which comprises a base, the top of the base is fixedly connected with two supporting legs, the bottom of each supporting leg is provided with two locking universal wheels which are symmetrically arranged, the top of the base is fixedly connected with a vertical plate, the front end of the vertical plate is fixedly connected with two pairs of limiting blocks, and the limiting blocks are fixedly connected with the top of the base. Each pair of limiting blocks are jointly and rotationally connected with a lifting threaded rod, a motor is fixedly connected to the top of the base, the output end of the motor is coaxially and fixedly connected with the lifting threaded rod on the right side, and the outer walls of the two lifting threaded rods are jointly sleeved with a synchronous belt. The two lifting threaded rods are jointly sleeved with a lifting plate in threaded connection with the lifting threaded rods, two hollow sliding plates are fixedly connected to the top of the lifting plate, and adjusting mechanisms are arranged on the hollow sliding plates. The distance between the two forklift arms can be adjusted according to the specifications and sizes of the molds, and the requirement for forking and transporting the molds of different specifications and sizes is met.

The utility model discloses a beam reinforcing structure for old house transformation, which comprises a T-shaped expansion block, a lifting concave limiting block and a lifting expansion structure, and the T-shaped expansion block and the lifting concave limiting block are connected with each other through the lifting expansion structure. Through the unique lifting expansion structure design, stable connection and flexible adjustment of the T-shaped expansion block and the lifting concave limiting block are achieved. The lifting driving handle is rotated, the lifting threaded rod can be driven to rotate through the lifting driving shaft and the lifting bevel gear set, then the lifting threaded pipe and the T-shaped extension block are driven to stably ascend and descend in the lifting concave limiting block, and meanwhile accurate limiting is achieved in cooperation with the lifting sliding block set and the lifting sliding way groove set.