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34results about How to "Avoid physical labor" patented technology

Valve pile tip structure device of cast-in-place X-shaped concrete pile and using method thereof

The invention relates to a valve pile tip structure device of a cast-in-place X-shaped concrete pile and a using method thereof. In the valve pile tip structure device, an X-shaped pile die is fixedly connected with a connecting section, the lower end of the connecting section is fixedly connected with a transition section, the lower part of the transition section is rotatablely connected with the upper part of a strengthening rib through a connecting hinge, and the strengthening rib is fixedly connected with a valve; and when the X-shaped pile die is dropped down, the valve pile tip is aligned with a pile position, and a curved surface triangular steel sheet is closed and inserted in a soil body, the X-shaped pile die is vibrated to reach a designed depth so that concrete enters an inner cavity of the valve, and the X-shaped pile die is pulled up to automatically open the curved surface triangular steel sheet so as to form the cast-in-place X-shaped concrete pile. The valve pile tip structure device overcomes the defects that a precast pile shoe is precast in a factory, has long consumed time, large volume and inconvenient transportation, moves and deflects downwards and even breaks away from the pile die, cannot be used repeatedly, has high manufacturing cost, and the like. The valve pile tip structure device avoids repeated physical work, does not need to be precast in the factory, shortens the construction period, and reduces the cost.
Owner:HOHAI UNIV +1

Bird-pecking prevention device for extra-high voltage composite insulator

The invention discloses a bird-pecking prevention device for an extra-high voltage composite insulator, and relates to the technical field of composite insulators. The bird-pecking prevention device is used for preventing birds from falling on the composite insulator to peck an electric power circuit. A left shell and a right shell sleeve the composite insulator and are bound together through a binding wire, a wire cutting assembly is arranged on each of the left shell and the right shell, the binding wire is cut off through linear movement of blades in the wire cutting assemblies to enable the left shell to be separated from the right shell, and parachutes are arranged in the left shell and the right shell to reduce falling speeds of the left shell and the right shell. Tapered blocks are mounted on the shells, so that angles among the composite insulators can be reduced, and the birds can be prevented from directly falling on the composite insulator to peck the electric power circuit. A remote controller is used for controlling movement of the blades in the wire cutting assemblies to cut the binding wire to achieve separation between the left shell and the right shell, and the separated left shell and the separated right shell fall automatically under the action of gravity, so that manual work of operators for climbing an iron tower to demount the shells is avoided, and danger caused by climbing is further avoided.
Owner:STATE GRID CORP OF CHINA +1

Adjusting mechanism of towing hook on aircraft tractor

The invention provides an adjusting mechanism of a towing hook on an aircraft tractor, and belongs to the technical field of aircraft traction equipment. The technical problem that connection between a traction rod and a tractor is troublesome is solved. The adjusting mechanism for the towing hook on the aircraft tractor comprises a mounting seat fixedly connected with a frame of the aircraft tractor, and a first ratchet rack and a second ratchet rack which are arranged side by side are arranged on the side face of the mounting seat. A first mounting strip extending towards the upper part of the first ratchet rack and a second mounting strip extending towards the lower part of the first ratchet rack are arranged on one side of a seat body of the traction hook; a first pawl clamped with the first ratchet rack and a second pawl clamped with the second ratchet rack are respectively arranged on the first mounting strip; a push rod capable of pushing the first pawl to be separated from the first ratchet rack and the second pawl to be separated from the second ratchet rack is arranged on the second mounting strip; and a translation hydraulic oil cylinder is arranged between the seat body of the traction hook and the mounting seat. According to the adjusting mechanism, butt joint of the aircraft tractor and the traction rod is realized very conveniently.
Owner:湖北东瀚空港设备科技有限公司

Two-box type high and low temperature impact test box

ActiveCN113008660APrevent temperature crosstalkAvoid lossStrength propertiesEngineeringTest chamber
The invention belongs to the technical field of temperature test equipment, and particularly relates to a two-box type high and low temperature impact test box which comprises an outer box body, the outer box body comprises a low-temperature test box and a high-temperature test box, the low-temperature test box and the high-temperature test box are both provided with box doors, and a refrigerating unit and a heating unit are arranged at the rear end of the outer box body. A spacing table is arranged between the low-temperature test cavity and the low-temperature test box, a circular groove is formed in the spacing table, the circular groove is connected with a circular object carrying hanging basket, the circular object carrying hanging basket is composed of a side wall, an object bearing bottom plate and an upper cover, the side wall comprises an inner ring plate and an outer ring plate, the inner ring plate and the outer ring plate are each provided with a first ventilation groove, a movable ring plate is arranged between the inner ring plate and the outer ring plate, and the movable ring plate is provided with a second ventilation groove. The movable annular plate is provided with a second ventilation groove and a wedge-shaped block, the inner annular plate and the outer annular plate are connected with a connecting plate, a return spring is connected between the connecting plate and the wedge-shaped block, the low-temperature test box and the high-temperature test box are both provided with bosses, the bosses are provided with top blocks, and the top of the outer box body is provided with a lifting mechanism.
Owner:CHONGQING ATEC TEST EQUIP

Intelligent farmland irrigation device capable of mixing materials

An intelligent farmland irrigation device capable of mixing materials comprises a base plate. A discharging port is fixedly connected to the left side of the upper end of the base plate, the upper endof the discharging port and the lower side of the left end of a stirring barrel form a fixed connection structure, and the right side of the middle of the stirring barrel is connected with the base plate through a supporting base; four sets of fixed blades are evenly arranged in the middle of the inner side of the stirring barrel, material limiting rings are arranged at the left sides of the fixed blades and fixedly connected to the inner side wall of the stirring barrel, the left end and the right end of the stirring barrel and the left end and the right end of the stirring shaft form bearing connecting structures, and propelling blades are arranged at the left end and the right end of the stirring shaft. According to the intelligent farmland irrigation device capable of mixing the materials, the dissolving speed of chemical fertilizer can be conveniently increased, the mixing efficiency is greatly improved, undissolved chemical fertilizer is prevented from blocking a spraying opening, the fertilizer can be rapidly and conveniently added into a mixing device, and the labor amount of workers is reduced.
Owner:漳州市同丰科技服务有限公司

Ton bag material emptying device

The invention particularly discloses a ton bag material emptying device. The ton bag material emptying device comprises a lifting frame, a lifting device and a material sucking device; the lifting frame is fixed on the ground; the lifting device and the material sucking device are arranged on the lifting frame; the lifting device comprises a power device, a first pulley block and a first steel wire rope and a material bag stainless steel ring which are arranged on the first pulley block; the power device and the material bag stainless steel ring are arranged at two ends of the first steel wire rope; the material sucking device comprises a second pulley block and a second steel wire rope which is arranged on the second pulley block; two ends of the second steel wire rope are provided with a gravity hammer and an opposite material sucking cone; the top of the opposite material sucking cone is provided with a first flexible pipe and a second flexible pipe. The ton bag material emptying device has the advantages of automatically achieving continuous operation of the integral process from the beginning of material sucking to the ending of the material sucking, thoroughly solving manual labor caused by manpower assistance when the materials are sucked out from a tone bag through negative pressure, achieving through empty of materials inside the ton bag and being high in production efficiency and low in labor intensity.
Owner:KUNSHAN HENGRONG MACHINERY & EQUIP

Paddy soilless transplant-free quick seedling raising method and seedling raising net as well as seedling raising rack thereof

The invention discloses a paddy soilless transplant-free quick seedling raising method and equipment. The method comprises the following steps: a, preparing seedling raising nets, i.e., manufacturing square seedling raising nets by using a perishable and degradable biomass material, wherein the two ends of the seedling raising nets are fixed to fixing rods; b, transplanting seeds, i.e., transplanting the seeds in the seedling raising nets, wherein one ends of the seeds with embryos are exposed outside the net material and are in the same direction, and 2-3 seeds are transplanted for each plant; c, soaking to sprout, i.e., placing and soaking the seedling raising nets in which the seeds are transplanted in the previous step in a sprouting pool to sprout, and draining water in the pool and covering with thin films when the seeds are budded; and d, putting on the rack to raise seedlings, i.e., moving the seedling raising nets to an outdoor seedling raising rack when the seedlings are grown to 1-2 mm, covering with the thin films, watering once per hour, reserving holes in the thin films at the two ends of the seedling raising rack to ventilate when the seedlings are grown to 1.5 cm, removing the thin films to expose the seedlings in air when the seedlings in the seedling raising rack are grown to 8-10 cm, and transplanting into a paddy field after removing the thin film for 3-4 days.
Owner:张铁光

Medical inflatable mattress

PendingCN112245166APrevent bedsoresChange the supporting force positionNursing bedsIndustrial engineeringCushion
The invention belongs to the technical field of medical instruments, and particularly relates to a medical inflatable mattress. The medical inflatable mattress comprises a bottom pad, wherein inflatable cushions are arranged on the front side and the rear side of the bottom pad, each inflatable cushion comprises an upper air cushion and a lower air cushion, the upper air cushions are connected with the bottom pad through shackles, the lower air cushions are connected with the bottom pad through shackles, each of the upper air cushions and the lower air cushions comprises a first air bag and asecond air bag, the first air bag and the second air bag of each upper air cushion are bonded into a whole, the first air bag and the second air bag of each lower air cushion are bonded into a whole,the first air bags are connected through air pipes to form a first air bag set, the second air bags are connected through air pipes to form a second air bag set, the first air bag set and the second air bag set are both provided with air inlet pipes, the upper air cushions are connected with first connecting pieces and second connecting pieces, first assembly grooves are formed in the bottom pad,first jacking air bags are assembled in the first assembly groove, second assembling grooves are formed in the bottom pad, and second jacking air bags are assembled in the second assembling grooves.
Owner:广东粤华医疗器械厂有限公司

An anti-bird pecking device for UHV composite insulators

The invention discloses a bird-pecking prevention device for an extra-high voltage composite insulator, and relates to the technical field of composite insulators. The bird-pecking prevention device is used for preventing birds from falling on the composite insulator to peck an electric power circuit. A left shell and a right shell sleeve the composite insulator and are bound together through a binding wire, a wire cutting assembly is arranged on each of the left shell and the right shell, the binding wire is cut off through linear movement of blades in the wire cutting assemblies to enable the left shell to be separated from the right shell, and parachutes are arranged in the left shell and the right shell to reduce falling speeds of the left shell and the right shell. Tapered blocks are mounted on the shells, so that angles among the composite insulators can be reduced, and the birds can be prevented from directly falling on the composite insulator to peck the electric power circuit. A remote controller is used for controlling movement of the blades in the wire cutting assemblies to cut the binding wire to achieve separation between the left shell and the right shell, and the separated left shell and the separated right shell fall automatically under the action of gravity, so that manual work of operators for climbing an iron tower to demount the shells is avoided, and danger caused by climbing is further avoided.
Owner:STATE GRID CORP OF CHINA +1

Blackboard device capable of automatically erasing characters

The invention relates to a blackboard device capable of automatically erasing characters. According to the blackboard device, a microcontroller msp430g2553 is used as the control core. Two motors are arranged on a blackboard in the horizontal direction and the vertical direction respectively and are used for controlling a blackboard brush to move horizontally or vertically. The motors are L298N motors. The motors are provided with control buttons which are used for controlling the two motors to move up and down, and left and right respectively. An up-down motor shaft and a left-right motor shaft are connected with conveyor belts, and the conveyor belts are provided with magnetic bars in a fixed mode. The bottom of the blackboard brush is provided with magnetic bars, so traces can be eliminated. According to the blackboard device, the control buttons are used for controlling the motors to rotate, and simultaneously the motors rotate to drive the magnetic bars fixed to the conveyor belt to move up and down and left and right on the reverse side of the blackboard to erase the written characters. In this way, extra physical exertion of teachers is avoided, and the blackboard device is free of dust pollution completely, so the blackboard device accords with environment-friendly innovative ideas nowadays, guarantees body health of the teachers and also improves the working efficiency of the teachers.
Owner:HENAN UNIVERSITY OF TECHNOLOGY
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