33results about How to "Steady rise and fall" patented technology

In order to solve the problems that in the prior art, when a manual semi-automatic bundling manner is adopted for bundling aluminum ingots, the efficiency is low, and the labor cost is high, or a fully automatic bundling device can only perform bundling in a single direction, the invention provides a device used for assisting bi-directional bundling of an aluminum ingot stack automatic bundling machine, comprising a lifting machine, a diagonal bracing, a rotating mechanism, a top plate and a support; the lifting machine is arranged below an upper seat plate of the diagonal bracing; the support is arranged on the top plate; the rotating mechanism comprises a motor, a driving gear, a supporting shaft and a driven gear; the supporting shaft penetrates through the upper seat plate of the diagonal bracing and is fixedly connected with the top plate; the device used for assisting bi-directional bundling of the aluminum ingot stack automatic bundling machine is arranged below a transmission chain at the packaging position of an aluminum ingot continuous casting production line. When the device is used for bundling aluminum ingot stacks, the aluminum ingot stacks can be in bi-directional bundling at bundling positions, so that the bundling efficiency is improved, and the labor cost and the equipment cost are reduced.

The invention discloses a nursing bed, which comprises a standing rack, a side turning rack, a supporting rack and a bed surface. The standing rack is fixed on the supporting rack via hinge pins, the side turning rack is fixed at the center of the inner side of the standing rack via hinge pins, the bed surface comprises a back bed surface, a hip bed surface and a leg bed surface, the back bed surface is arranged on the side turning rack and realizes connection via hinge pins, the leg bed surface is placed on the outer side of the front end of the supporting rack and arranged on the side turning rack, the standing rack is provided with a standing driving device, the side turning rack is provided with the side turning driving device, a back lifting device is disposed under the back bed surface, and a leg bending device is disposed under the leg bed surface. Due to the structure, the nursing bed can lead a patient lying on the nursing bed to stand up, turn to one side or sit down via simple operation of nursing staffs, and the nursing staffs can nurse the patient more conveniently.

The invention discloses a storey height adjustable house structure with variable-position X-shaped steel supports. The storey height adjustable house structure comprises spring concave connecting pieces, convex connecting pieces, fixed pulleys, steel wire ropes, a motor, the X-shaped steel supports, variable-position pulleys, clamping gears, rotating shafts, metal clamping keys, outer walls, a first-layer floor, a second-layer floor, a door, stairs and windows. The motor rotates clockwise to lift the steel wire ropes through the pulleys to enable the rotating shafts to rotate, the rotating shafts are fixedly connected with the clamping gears, the metal clamping keys are connected with the rotating shafts through steel wires, the rotating shafts rotate to drive the metal clamping keys to contract, the clamping gears start to rotate, the variable-position pulleys start to roll on rails through rotation of the clamping gears, the X-shaped steel supports contract through movement of the variable-position pulleys, and therefore the first-layer floor ascends. The first-layer floor can descend slowly to recover the original state, a house is of a normal second-layer building structure, and the requirement of people for normal rest and life is met.

The invention discloses an ink warehouse system of a photo machine. The ink warehouse system of the photo machine comprises an ink warehouse pedestal, a lifting apparatus, a suction nozzle mounting plate and a suction nozzle apparatus, wherein the lifting apparatus comprises a screw rod stepping motor, a slide rod fixed rack, a lifting movable plate, a plurality of slide rods and a plurality of flange linear bearings; the flange linear bearings are mounted on the lifting movable plate, the slide rod fixed rack is mounted at the upper side of the ink warehouse pedestal, the lower ends of the slide rods are fixed on the slide rod fixed rack, and the upper ends of the slide rods are inserted in the flange linear bearings in a penetrating way; the screw rod stepping motor is mounted at the lower side of the ink warehouse pedestal, and the screw rod of the screw rod stepping motor is screwed and matched with a screw rod drive nut through the slide rod fixed rack so as to drive the lifting movable plate to lift and descend along the slide rods; and the suction nozzle mounting plate is mounted on the lifting movable plate. The lifting apparatus provided by the invention is simple in structure, low in cost, easy in maintenance and very stable in operation, and meanwhile, the suction nozzle mounting plate and the suction apparatus are stressed in a balanced manner and do not result in position shifts easily.

The invention provides a waiting bus platform convenient to maintain. The waiting bus platform convenient to maintain comprises a base, supporting columns are fixedly installed at the left end and theright end of the top of the base, a first motor base and a first drum are fixedly installed at the right end of the top of the base, a first motor is fixedly installed at the top of the first motor base, movable grooves are formed in the inner sides of the supporting columns, movable plates are arranged inside the movable grooves, an advertising board is fixedly connected between the two movableplates, a containing plate is arranged at the bottom of the advertising board, and upper grooves are formed in the left end and the right end of the front portion and the back portion of the containing plate. According to the waiting bus platform convenient to maintain, a sun shading plate inclines by 30 degrees downwards, a U-shaped groove is formed in the right end of the sun shading plate, rainwater slides down to the U-shaped groove on a rainy day, and can flow out outwards, and it is avoided that rainwater slides down to dabble citizens in the bus platform; a solar panel is fixedly installed at the top of the sun shading plate, a lamp is fixedly installed at the bottom of the sun shading plate, night lighting is achieved, and the waiting bus platform convenient to maintain is capableof saving energy and environmentally friendly.

The invention relates to a built-in disk rack. The built-in disk rack adopts the technical scheme that the built-in disk rack comprises two parallel wallboards, wherein a disk device is embedded between the wallboards, an S station and a T station are arranged in the disk device, and shaft clamping mechanisms are respectively arranged at the S station and the T station; a cutter device and a feeding and discharging device are further arranged between the wallboards, and the cutter device and a feeding and discharging device are distributed on both sides of the disk device; and a plurality of guide rollers are respectively arranged above and below the cutter device, a disk driving device is connected to the disk device, and the disk device can be driven to rotate by the disk driving device so as to alternately receive and collect materials by the S station and the T station. The problems of difficulty in adjusting shafts of the structure of an existing built-in disk rack and inconvenience in feeding and discharging in the prior art are solved.

The invention discloses a nursing bed, which comprises a standing rack, a side turning rack, a supporting rack and a bed surface. The standing rack is fixed on the supporting rack via hinge pins, the side turning rack is fixed at the center of the inner side of the standing rack via hinge pins, the bed surface comprises a back bed surface, a hip bed surface and a leg bed surface, the back bed surface is arranged on the side turning rack and realizes connection via hinge pins, the leg bed surface is placed on the outer side of the front end of the supporting rack and arranged on the side turning rack, the standing rack is provided with a standing driving device, the side turning rack is provided with the side turning driving device, a back lifting device is disposed under the back bed surface, and a leg bending device is disposed under the leg bed surface. Due to the structure, the nursing bed can lead a patient lying on the nursing bed to stand up, turn to one side or sit down via simple operation of nursing staffs, and the nursing staffs can nurse the patient more conveniently.

The invention discloses a high-safety fireproof door production device, which includes a roller conveyor belt, a support chassis, a dust collector, an electric saw device, a lifting platform device, a linkage roller device and a start switch, and the support chassis is fixed on the Below the roller conveyor belt, the box electric saw machine device is fixed below the middle position of the roller conveyor belt, and the lifting platform device is fixed above the middle position of the roller conveyor belt. The saw machine device and the lifting platform device are connected, the linkage roller device is bolted to the bottom of both sides of the lifting platform device, the start switch is fixed on one side of the electric saw machine device, and its upper part is aligned with the bottom surface of the linkage roller device; The invention provides a high-safety fire door production device that can automatically start and stop, remove dust and prevent the roller belt from slipping, effectively reducing energy consumption, protecting the environment and improving work efficiency.

The invention provides a vacuum plate vulcanizing machine. In a vulcanizing machine body, a vacuum plate is fixed to vacuum cover cylinders, and the other ends of the vacuum cover cylinders penetrate an upper base to be fixed to a vacuum cover sliding plate; a vacuum sliding plate cylinder is fixed to a vacuum cover, and the vacuum cover is fixed to the bottom of the upper base through a vacuum cylinder connecting plate; an upper mold plate is arranged inside the vacuum cover; the other ends of large cylinders penetrate the bottom, are fixed to a middle base and then are connected with main oil cylinders; main pistons of the main oil cylinders are connected with the middle base, a lower mold plate and a lower mold sliding plate are sequentially fixed to the middle base, an electric heating tube is arranged in the lower mold plate, silica gel sealing strips are distributed on the lower mold sliding plate, and a triangle chain connecting plate is arranged on the lower mold sliding plate; and a support is arranged on a vacuum box, a mold clamping plate is installed at the top of the support, and a positioning pin is arranged on the mold clamping plate. By means of the vacuum plate vulcanizing machine, high-elastic base plates can be continuously produced.

The invention discloses a hand exercise device for neurology nursing, and relates to the technical field of hand exercise rehabilitation. The lower end of the interior of a frame is slidably connected with a sliding plate, the top end of the sliding plate is provided with a tension frame, the top end of the tension frame is provided with a pull rope, both sides of the top end of the interior of the frame are provided with pulleys, the inner wall of the pulley makes contact with the pull rope, protection structures are arranged at the two ends of the upper end of the interior of the frame, a handheld frame is installed at the bottom end of the pull rope, a positioning structure is arranged at the bottom end of the handheld frame, and a fixing structure is arranged on the portion, on one side of the handheld frame, of the side wall of the frame. According to the hand exercise device, the ascending or descending condition of the sliding plate is monitored in real time through a displacement sensor, once abnormal speed is found, a second pneumatic telescopic rod works to drive a friction plate to be attached to a brake pad, so that braking is decelerated until stopping, it is ensured that arms of a patient are not strained at a high speed, and the problem of lack of high-speed braking is solved.

The invention provides a power system vacuum circuit breaker maintenance platform. The power system vacuum circuit breaker maintenance platform comprises a frame, a longitudinal beam arranged on the frame, a carrying platform connected with the longitudinal beam in a sliding mode, an operation box arranged on the longitudinal beam, a winding roller arranged in the operation box, an on-beam hangingwheel arranged at the top end of the longitudinal beam, a carrying hanging wheel arranged on the carrying platform, a wire disengaging preventing device arranged on the operation box, a transverse positioning device arranged on the frame, and a longitudinal positioning device arranged on the frame. Once the carrying platform touches the frame, and a crank is reversely shaken continuously, a steelwire rope is loosened; a ratchet wheel and a pawl are locked under the action of a tension spring, so that the crank cannot be continuously reversely shaken, and therefore, maintenance vehicle faultscaused by wire disengagement and even the disordered winding of the steel wire rope are avoided; and transverse positioning and longitudinal positioning ensure that the maintenance platform is completely locked, when a pull shaft sleeve and a rotating shaft are on the same straight line, and locking failure cannot be caused by the wrong touching of the pull shaft sleeve.

The invention provides a double-track bucket hanging mechanism of a garbage truck, which comprises a large UC bearing and a test bench. The large UC bearing is arranged on the test bench, and an upperlifting bucket welding is arranged in the large UC bearing; a hydraulic oil cylinder is arranged beside the upper lifting bucket welding, one end of the hydraulic oil cylinder is connected with the upper lifting bucket welding through a first oil cylinder pin shaft, and the other end of the hydraulic oil cylinder is connected with the test bench through a second oil cylinder pin shaft; a track welding is arranged on the test bench; an upper pull rod welding is arranged beside the test bench, one end of the upper pull rod welding is connected with the upper lifting bucket welding through a pull rod rotating shaft, and the other end of the upper pull rod welding is provided with a lower pull rod welding; the lower end of the lower pull rod welding is provided with a lower pressing bucket welding, and the lower pull rod welding is connected with the lower pressing bucket welding through the pull rod rotating shaft; the lower pull rod welding is further provided with a middle pull rod welding, the middle pull rod welding is connected with the two lower pull rods welding through bolts, an upper pressing bucket welding is arranged above the lower pressing bucket welding, and the lower pressing bucket welding is arranged in a rail of the upper pressing bucket welding. The double-track bucket hanging mechanism of the garbage truck has the advantages of being stable in structure and constant-speed in lifting.

The invention provides an anti-off-line switch type equipment maintenance operation vehicle. The vehicle comprises a frame, a longitudinal beam arranged on the frame, a carrying platform slidably connected with the longitudinal beam, an operation box arranged on the longitudinal beam, a wire winding roller arranged in the operation box, an on-beam hanging wheel arranged at the top end of the longitudinal beam, a carrying hanging wheel arranged on the carrying platform and a thread-off preventing device arranged on the operation box. The thread-off preventing device comprises a hinge cross shaft, a swing arm connected with the hinge cross shaft, a thread-off wheel arranged on the swing arm, a tension spring for tensioning the swing arm, and a thread-off prevention pawl arranged at one end of the hinge cross shaft. Once the carrying platform is in contact with the frame and continues to reversely shake a crank, the steel wire rope is loosened, a ratchet wheel and the pawl are locked under the action of the tension spring, the crank cannot be continuously reversely shaken, and maintenance vehicle faults caused by thread-off and even disordered winding of the steel wire rope are avoided; and a labor-saving device is arranged between the thread-off prevention ratchet wheel and the wire winding roller, so that both forward shaking and backward shaking are labor-saving, and the working labor intensity of workers is reduced.

The present invention discloses a feeding apparatus for an industrial production line. Industrial production line automation control of our country develops quickly in recent years, mechanical equipment becomes more and more popular on the production line and replaces repetitive labor, so that manpower can be liberated from boring labor, but in some special fields, in environments harmful to the human body, such as a dusty environment, and an flammable and explosive environment, manpower is still needed, therefore, the invention aims to provide the feeding apparatus for the industrial production line. The feeding apparatus is adjustable in movable range, has a working height determined by production line work equipment, is high in feeding accuracy, and still can work efficiently in severe environments such as a dusty environment and a coal mine conveying environment.

The invention discloses a fixed aluminum alloy lifter with a lifting support provided with a guide structure. The fixed aluminum alloy lifter comprises a lifter base, the lifting guide structure, a lifting table, a lead screw, a lifting table buffer and a lead screw driving structure, wherein the lead screw is installed in the center of the lifter base and can rotate relative to the lifter base; the lead screw driving structure is arranged in the middle of the bottom of the lifter base; and the lifting table is installed on the lead screw and is in threaded connection with the lead screw. Thefixed aluminum alloy lifter is reasonable and effective in structure and stable in operation; the lifting table buffer arranged on the surface of the top of the lifter base can reduce impact of the lifting table on the lifter base; protective fences are arranged on the three faces of the top of the lifting table and can protect workers standing on the lifting table; and through a corrugated pipe installed on the surface of the lead screw in a sleeving mode, the human body can be prevented from making direct contact with the lead screw in the rotating process, and safety accidents are avoided.

The present invention discloses a feeding apparatus for an industrial production line. Industrial production line automation control of our country develops quickly in recent years, mechanical equipment becomes more and more popular on the production line and replaces repetitive labor, so that manpower can be liberated from boring labor, but in some special fields, in environments harmful to the human body, such as a dusty environment, and an flammable and explosive environment, manpower is still needed, therefore, the invention aims to provide the feeding apparatus for the industrial production line. The feeding apparatus is adjustable in movable range, has a working height determined by production line work equipment, is high in feeding accuracy, and still can work efficiently in severe environments such as a dusty environment and a coal mine conveying environment.

The invention relates to a built-in disk rack. The built-in disk rack adopts the technical scheme that the built-in disk rack comprises two parallel wallboards, wherein a disk device is embedded between the wallboards, an S station and a T station are arranged in the disk device, and shaft clamping mechanisms are respectively arranged at the S station and the T station; a cutter device and a feeding and discharging device are further arranged between the wallboards, and the cutter device and a feeding and discharging device are distributed on both sides of the disk device; and a plurality of guide rollers are respectively arranged above and below the cutter device, a disk driving device is connected to the disk device, and the disk device can be driven to rotate by the disk driving device so as to alternately receive and collect materials by the S station and the T station. The problems of difficulty in adjusting shafts of the structure of an existing built-in disk rack and inconvenience in feeding and discharging in the prior art are solved.

The invention discloses a high-safety fireproof door production device, which comprises an idler wheel conveying belt, a supporting bottom frame, a dust collector, an electric sawing machine device, alifting and lowering platform device, linkage idler wheel devices and a starting switch, wherein the supporting bottom frame is fixedly arranged below the idler wheel conveying belt; the electric sawing machine device is fixedly arranged below the middle of the idler wheel conveying belt; the lifting and lowering platform device is fixedly arranged above the middle position of the idler wheel conveying belt; the dust collector is connected with the electric sawing machine device and the lifting and lowering platform device through flexible pipes; the linkage idler wheel devices are connectedbelow two sides of the lifting and lowering platform device in a bolted mode; the starting switch is fixedly arranged on one side of the electric sawing machine device; and the top of the starting switch is aligned with the bottom surface of the linkage idler wheel devices. The high-safety fireproof door production device provided by the invention can be automatically started and shut down, dust prevention is realized, the idler wheel conveying belts are prevented from skidding, energy consumption is effectively lowered, the environment is protected, and working efficiency is improved.

The invention discloses product feeding equipment for a self propelled car steering knuckle full-automatic press-fitting line. The product feeding equipment comprises a power distribution control box, first supporting frames are arranged at one side of the power distribution control box, a baffle is installed at one end of each first supporting frame, a supporting seat is installed between the first supporting frames, and a fixing frame is installed at one side of each first supporting frame. According to the product feeding equipment for the self propelled car steering knuckle full-automatic press-fitting line, a second fixing frame, a first fixing frame, a driving motor, a speed reducer and a first fixing shaft are arranged, the driving motor is started, the first fixing shaft is driven to rotate through the speed reducer and a coupler, and when the first fixing shaft rotates, a first gear connected with the outer portion in a sleeving manner can be driven to rotate, when the first gear rotates, a first conveying chain meshed with the first gear can drive a first placement plate at the top end to conduct conveying, so that the first placement plate is more stable in the conveying process, and the problem that steering knuckles are inconvenient to convey is solved.

The invention provides a farrowing-assistant crate structure for sow parturition. The farrowing-assistant crate structure comprises a parturition platform, an annular groove and swinging columns; thefour corners and the middle part of the bottom of the parturition platform are fixedly connected with support feet; the middle part of the parturition platform is slidably connected with a lifting platform having a same length with the parturition platform; and the left end and the right end of the bottom of the parturition platform are fixedly connected to the top surface of a connecting body. According to the invention, vertical screw rods and cross screw rods match the lifting platform, the left end and the right end of the bottom surface of the lifting platform are symmetrically connectedwith the vertical screw rods through bearings, and the vertical screw rods pass through the connecting body at the bottom, so that the lifting platform is lifted; the vertical screw rods are arrangedas a front group and a rear group, so that the rise and fall of the lifting platform are more stable; in addition, each of round plates arranged at the ends of the cross screw rods is provided with two round holes, two position limiting columns are inserted into the round holes of the cross screw rods, and the inner end of each position limiting column is inserted in the side walls of the connecting body and can be used for limiting the position of the cross screw rods after the cross screw rods rotate through the swinging rods on the round plates of the screw rods, so that the lifting platform after lifting is prevented from being pressed down by a sow.

The invention discloses an adjustable yard lamp, and belongs to the technical field of yard lamps. The adjustable yard lamp comprises a base; a rotating disc is fixedly arranged at the top of a main shaft, a rotating part coordinated with the rotating disc is arranged at the top of the base, and a fixing assembly coordinated with the rotating part is arranged at the top of the base; the top of therotating disc is fixedly provided with a fixed lamp pole, a movable lamp pole is connected to the top of the fixed lamp pole in an inserting mode, and a fixed block is fixedly arranged at the top ofthe inner cavity of the movable lamp pole; the output end of a servo motor is provided with a threaded rod; and guide rods are symmetrically and vertically arranged on the left side and the right sideof the inner cavity of the fixed lamp pole, and guide blocks are connected to the outer walls of the guide rods in a sleeved mode. According to the yard lamp, the structure is simple, and the yard lamp can be adjusted according to needs of a user; the servo motor is used for driving the threaded rod to rotate so as to drive the movable lamp pole to carry out the ascend and descend adjusting work;the guide blocks and the guide rods are arranged, so that the balance performance is provided when the movable lamp pole ascends; and a rolling groove for a rolling ball is arranged, so that the movable lamp pole is more stable when the movable lamp pole ascends.

The invention relates to a stripline device, which includes a stripline, a plurality of hoisting ropes whose one end is fixedly connected to the stripline and whose other end passes through the top shielding plate of an anechoic chamber, and a centrally fixed hoisting rope at one end away from the stripline The trolley and the track for the trolley to walk on, the strip line is kept horizontal. The invention has the characteristic of more convenient adjustment of the height of the strip line.

The invention relates to the technical field of battery manufacturing equipment, and discloses a die cutting machine for battery manufacturing. The die cutting machine comprises a base. The two sidesof the top of the base are fixedly connected with supporting plates. The ends, far away from the base, of the two supporting plates are fixedly connected through a fixing plate. An inner cavity of thefixing plate is fixedly connected with two bearings. Nuts are fixedly connected inside the two bearings in a sleeved mode. Threaded rods are sleeved in the nuts in a threaded mode. The tops of the two threaded rods are fixedly connected through a top seat. The top of the top seat is fixedly connected with a die cutting machine body. According to the die cutting machine for battery manufacturing,through cooperation of the base, the supporting plates, the fixing plate, the bearings, the nuts, the threaded rods and the top seat, the nuts are rotated, then the threaded rods can move up and down,and therefore the height of the die cutting machine can be changed. Workers can work more comfortably and do not feel tired easily, the work efficiency of workers is improved, and the production speed of batteries is improved.

The invention proposes an operation vehicle for maintenance and repair of off-line switch equipment, including a vehicle frame, a longitudinal beam arranged on the vehicle frame, a carrying platform slidingly connected with the longitudinal beam, an operation box arranged on the longitudinal beam, and a The winding drum in the box, the hanging wheel on the beam on the top of the longitudinal beam, the carrying hanging wheel on the carrying platform, and the anti-offline device on the operation box; the anti-offline device includes a hinged horizontal shaft and a hinged horizontal shaft The swing arm connected with the shaft, the off-line wheel on the swing arm, the tension spring on the swing arm, and the anti-off-line pawl on one end of the hinged horizontal axis; When the handle is shaken, the wire rope is loose, and the ratchet pawl is locked under the action of the tension spring, and the handle cannot be shaken in the opposite direction, which avoids the failure of the maintenance vehicle caused by off-line or even the messy winding of the wire rope; Between the winding drums, both positive and negative swings are labor-saving, which reduces the labor intensity of workers.

The invention discloses an underground tunnel construction device. The underground tunnel construction device structurally comprises a device body box, a bearing platform ladder stand, connecting plates, a first side end safety frame, a second side end safety frame, a display screen, control keys, a control box and safety frame transverse plates. The upper end of the device body box is welded to and perpendicular to the lower ends of the first side end safety frame and the second side end safety frame, the first side end safety frame and the second side end safety frame are parallel to each other, and the first side end safety frame and the second side end safety frame are connected through the safety frame transverse plates. The safety frame transverse plates and the first side end safetyframe and the second side end safety frame are welded, the left ends of the connecting plates are welded to the bearing platform ladder stand, and the right ends of the connecting plates are welded to the device body box. The device main body can be illuminated by an illuminating light swinging up and down, is moved by a moving crawler, and does not need a carrying vehicle to carry; and furthermore, an upper bearing platform stable lifting structure is arranged to enable rising and falling more stable.

The invention discloses a wiring device special for a 10kV circuit insulation drainage wire, belongs to the field of electric power overhaul tools, and solves the problem that the success probabilityof one-time installation of the insulated drainage wire at the high-voltage switch pile head is low. The wire clamp comprises a C-shaped first wire clamp and a second wire clamp installed on the firstwire clamp in a sliding manner. The first wire clamp is provided with a first wire groove penetrating through the front and rear end faces of the first wire clamp. The second wire clamp is provided with a second wire groove which is corresponding to the first wire groove and penetrates through the front end face and the rear end face of the first wire groove, wherein the first wire clamp is provided with a control rod which is connected with the second wire clamp and controls the second wire clamp to slide, a plurality of through holes penetrating through the front end face and the rear end face of the first wire clamp are distributed in the first wire clamp at intervals in the vertical direction, the included angles of the axes of every two adjacent through holes are different. The wiring device further comprises a handle in threaded connection with the through holes.

The invention discloses a convenient-to-operate dredging device for a water conservancy project. The convenient-to-operate dredging device comprises a ship body, a stand column, a connecting column, asupporting plate, a column body, a lifting mechanism, a silt suction mechanism and a turning mechanism, wherein the stand column is fixedly arranged on one side of the top end of the ship body, and astrip-shaped hole is formed in one side of the stand column in the vertical direction; the connecting column is connected with the top end of an inner cavity of the strip-shaped hole in an adaptive and inserted mode; the supporting plate is fixedly arranged on one side of the connecting column; the column body is fixedly arranged at the bottom end of the supporting plate; the lifting mechanism isarranged in an inner cavity of the stand column; the silt suction mechanism is arranged at the top end of the ship body; and the turning mechanism is arranged at the bottom end of the outer wall of the column body. According to the convenient-to-operate dredging device for the water conservancy project, the diving depth of one end of a sewage suction pipe can be controlled so as to be suitable for contacting silt under different water depths, the operation is very simple, the dredging speed is high, the silt can be conveniently collected, and the cleaning is more thorough.

The invention discloses a height-adjustable house structure with variable displacement X-shaped steel supports, which includes spring concave connectors, convex connectors, fixed pulleys, steel wire ropes, motors, X-shaped steel frame supports, and displacement pulleys. , snap gears, rotating shafts, metal snap keys, exterior walls, first floor, second floor, doors, stairs, windows. The motor rotates clockwise and pulls the wire rope through the pulley to make the rotating shaft rotate. The rotating shaft is fixed with the locking gear, and the metal locking key is connected to the rotating shaft through a steel wire. The rotation of the rotating shaft drives the metal locking key to shrink, and the locking gear starts to rotate. The rotation makes the shifting pulley start to roll on the track, and the movement of the shifting pulley shrinks the X-shaped steel frame, so that the floor of the first floor rises; the floor of the first floor can slowly descend and return to its original state. The house is a normal two-story building structure. Satisfy people's normal rest and life.