14results about How to "Improve lifting efficiency" patented technology

This utility model relates to the field of construction engineering technology and discloses a lifting device for construction engineering, including a base. The top of the base has a clearance groove, and a lifting bucket is mounted on the top of the clearance groove. A support frame is fixedly connected to the bottom of the lifting bucket, and a cylinder is fixedly connected inside the support frame. A push rod is fixedly connected to the output end of the cylinder. This utility model has the following advantages and effects: When the lifting bucket rises, the first and second lifting plates increase stability. Anti-slip holes slide on the outer surface of the guide rod. The first lifting plate supports the top of the lifting bucket, and the second lifting plate supports the bottom of the lifting bucket, making lifting more stable. When it rises to a certain height, the cylinder is activated to drive the push rod upward, and the push rod pushes the placement frame out of the lifting bucket, facilitating the discharge of the placement frame and thus enabling the rapid removal of building materials from the lifting bucket, improving lifting efficiency.

The utility model provides a double support leg jack for motor home, including connecting main part, two groups of screw rod drive assemblies and two groups of support leg assemblies, the motor of two groups of screw rod drive assemblies is installed in the middle part of movable slot of connecting main part mutually close, and one end of screw rod is connected to the motor, and the other end is rotatably connected with the bearing arranged in the end part of connecting main part, and the other end of screw rod also has the manual rotation part that passes through the bearing and is located in the outside of end part of connecting main part, the screw rod nut can be slidably sleeved in screw rod and is limited in movable slot, the support leg assembly is installed below two groups of screw rod drive assemblies respectively, the support leg assembly includes support leg, support rod and support plate, by this, the motor is located in the movable slot in the middle part of connecting main part, can be protected by the shelter of connecting main part, is not easy to be interfered with by the knock of outside, is not easy to be corroded and aged by the rain and splash, and the manual rotation part can be arranged in cooperation, and the expansion or folding of two support legs can be realized by electric or manual.

The utility model relates to a sludge treatment related technical field, especially in easy to clean's sludge treatment is with hoisting subassembly, including lifting cylinder, feed port, discharge gate, spiral shaft, helical blade, driving motor, scraping plate and drive assembly, the spiral shaft is connected with the output shaft of driving motor in the lifting cylinder and is penetrated, drive assembly includes drive shaft, shaft sleeve and linkage assembly. Easy to clean's sludge treatment is with hoisting subassembly of the utility model, and the output shaft of driving motor drives the rotation of spiral shaft, thereby conveniently helical blade of spiral shaft periphery transports and lifts sludge, at the same time, the synchronous rotation of shaft sleeve is driven by spiral shaft, and the drive shaft is driven by linkage assembly when shaft sleeve rotates and reciprocates, thereby conveniently drive shaft drives sludge board and scrapes off the sludge in the inner chamber of lifting cylinder.

The utility model relates to prefabricated box culvert lifting appliance technical field, especially prefabricated box culvert lifting appliance, including main girder, both ends of main girder are slidably provided with hook leg, both sides of hook leg are hinged with connecting rod, and the one end away from hook leg of connecting rod is connected with lifting hook through hinge shaft, and the hinge shaft is provided with on -off device, and the main girder is provided with the clamping groove with on -off device cooperation, and the inside of hook leg is slidably provided with crossbeam along the vertical direction, be provided with locking mechanism between crossbeam and hook leg, and the both ends of crossbeam are provided with telescopic link along the horizontal direction. Through setting up the hook leg of sliding, the connecting rod of hinging and the lifting hook, cooperate the design of on -off device and clamping groove, can realize the convenient opening and closing and the fixation of lifting hook, need not to pass through prefabricated box culvert with sling, greatly simplify hoisting operation process, the crossbeam of sliding in hook leg and locking mechanism, in combination with telescopic link of crossbeam both ends, can adjust according to the size of prefabricated box culvert, effectively improve the adaptability and stability of hoisting, significantly improve work efficiency, reduce the operation complexity and labour intensity.

This invention discloses a detachable lifting clamp fixture for ships. It includes a connecting assembly, a driving assembly, and a suspension assembly. The connecting assembly includes a clamping member and a top support member. The clamping member can clamp and fix the web of a pre-shaped profile, and the top support member can abut against the panel of the pre-shaped profile from top to bottom. The driving assembly is connected to the connecting assembly to drive the connecting assembly to clamp and release the web. The suspension assembly is connected to the connecting assembly and is used to install the lifting clamp. Through the clamping member and the top support member, the pre-shaped profile can be detachably fixed in a clamping manner, and the lifting weight can be applied to both the web and the panel simultaneously. Compared with welding the lifting clamp, this avoids welding work, improves lifting efficiency, reduces lifting costs, and reduces damage to the hull structure. Furthermore, by distributing the weight, it reduces the risk of deformation and damage to the hull structure, especially the panel of the pre-shaped profile.

This invention discloses a tilt-lift short takeoff and landing (STOVL) aircraft and its control method, comprising a fuselage, wing assembly, multi-layered distributed propulsion system, tilt drive assembly, and control unit. The wing is hinged to the fuselage via a pivot in the mid-rear section of the chord, and the tilt drive assembly drives the wing to rotate and adjust the angle of attack. The multi-layered distributed propulsion system includes a first rotor assembly located in the mid-rear section to the wingtip region of the wing and a second rotor assembly located on the lower surface of the wing near the fuselage. During cruise, the first rotor assembly is stopped and feathered, and the propulsion system tilts synchronously with the wing. This invention, through a layered distributed propulsion layout and synchronous wing tilting for synergistic lift enhancement, solves the problems of insufficient control torque at low speeds and high cruise energy consumption, achieving a balance between STOVL performance and cruise economy.

The utility model belongs to the technical field of aluminum foil coil lifting, and particularly relates to an aluminum foil coil separating and combining lifting appliance which comprises a frame and a supporting cushion block, the frame comprises a vertical beam, a first cross beam and a second cross beam, the first cross beam and the second cross beam are connected to the two sides of the vertical beam, and a lifting lug is arranged on the upper side of the first cross beam; a supporting cushion block is arranged on the second cross beam in a sliding mode, and the second cross beam and the supporting cushion block are used for supporting and hanging an aluminum foil roll. According to the lifting appliance, the narrow strip coils can be quickly separated or combined, so that the slitting and lifting efficiency is greatly improved; and the supporting cushion blocks with multiple sizes are combined to adapt to different coil width ranges and be compatible with various aluminum coil specifications, so that the production efficiency is improved, and the hoisting safety is improved.

This application provides a hoist with a single / double drum switching mode and its usage method, comprising: a first single drum hoist, a second single drum hoist, and a rope adjusting clutch connected between the two; the rope adjusting clutch includes a bearing housing, an internal gear ring of a shaft seat rotatably connected to the inner ring of the bearing housing, and two fixed hubs, which are respectively connected to the main shafts of the first and second single drum hoists. Each fixed hub is connected to an external gear ring of rope adjusting that can slide along its axial direction. The external gear ring of rope adjusting is connected to a deflector ring, which is connected to a telescopic mechanism fixed on the single drum hoist; when the telescopic mechanism extends or retracts, the deflector ring drives the external gear ring of rope adjusting to engage or disengage with the internal gear ring of the shaft seat. This allows switching between two modes: independent operation of the two single drums and synchronous operation of the two drums.

This invention discloses a water tank replenishment device for aviation operation support, including a base fitted around a fire hydrant. A protective mechanism is provided on the outside of the base, comprising a frame positioned on top of the base and fitted around the fire hydrant. A lead screw is provided on the outside of the base, with a threaded sleeve threaded to its outer surface. A cleaning component is provided on the outside of the threaded sleeve. A bracket is rotatably connected to the outer surface of the lead screw. This invention relates to the technical field of aviation operation support equipment and solves the problems of existing aviation operation support water tank replenishment devices, where the protective frame is supported and fixed by a fixing plate to protect the fire hydrant. The fixing plate has poor support performance and is prone to detachment. Furthermore, both the support and operation require manual intervention, which is cumbersome, inefficient, and inconvenient for fire hydrant use.

The present disclosure relates to the technical field of corn kernel loading, and an embodiment of the present disclosure provides a corn kernel loading lifting device, which comprises a lifting channel, and further comprises a hopper, a powerful fan, auxiliary mechanisms and guide plates; the hopper is connected to the bottom of the lifting channel; the powerful fan is arranged at one end of the lifting channel; the output end of the powerful fan is communicated with the bottom end of the lifting channel; the two auxiliary mechanisms are arranged on one side of the lifting channel and used for blowing the corn kernels in the lifting channel upward; the two guide plates are arranged in the lifting channel through a swing mechanism and correspond to the two auxiliary mechanisms respectively; and the swing mechanism is used for driving the two guide plates to swing, so as to solve the technical problem that the mechanical structure in the prior art causes the phenomenon of residual material in the lifting channel during the lifting of the corn kernels, and further causes the invalid loss of the corn kernels.

The application discloses a hoisting method and a hard-state large scattered disc lifting appliance, and the method receives a discharging instruction, is positioned by a three-dimensional moving mechanism, switches a clamping plate lifting mechanism to a working station by a rodless cylinder, drives a tongue plate to extend and retract by a thin cylinder and a motor linkage gear and rack assembly to complete lifting and discharging of a material tray, switches a suction disc grabbing mechanism again, adsorbs an empty tray by a high-vacuum vacuum generator and completes feeding, and finally resets to complete a hoisting cycle. The lifting appliance comprises a lifting appliance connecting plate, a clamping plate lifting mechanism and a suction disc grabbing mechanism, the clamping plate lifting mechanism is provided with a top plate, a guide rail, a rotating plate and the like, the suction disc grabbing mechanism comprises a suction disc rack and a suction disc, and the two are switched to a gapless working station by a rodless cylinder. The application realizes integrated automatic hoisting of empty and material trays, is accurate in positioning, stable in grabbing, greatly improves production efficiency, reduces labor intensity, and is suitable for the production demand of hard-state large scattered discs in the precision copper pipe processing industry.

The utility model relates to a double -layer winding standard clearance electric hoist, include: main beam, driving trolley is used for driving main beam along track movement, driven trolley is used for assisting main beam along track movement, hoisting device, it includes hoisting motor, speed reducer, hoisting support, hoisting drum, steel wire rope and pulley, hoisting motor and speed reducer connect hoisting drum, and the end of steel wire rope is fixed on hoisting drum through rope clamp, and steel wire rope is wound and forms inside and outside two layers on hoisting drum, is first layer steel wire rope and second layer steel wire rope respectively, first layer steel wire rope is located in the inner layer of second layer steel wire rope, and the steel wire rope between first layer steel wire rope and second layer steel wire rope is wound through pulley, the utility model discloses double -layer winding standard clearance electric hoist should, utilize steel wire rope double -layer winding mode, and only one steel wire rope is used in winding part, and overload shaft removes from the original rope end position to the trolley and main beam connection position, and this structure can greatly increase hoisting efficiency.