63results about How to "Shortcut structure" patented technology

The invention relates to an assembled movable anti-flood wall. The assembled movable anti-flood wall comprises vertical columns and stop plates, the vertical columns include a middle vertical column and two-end vertical columns, each of the middle vertical column and the two-end vertical columns is provided with a through hole, two sidewalls of each of the middle vertical column and the two-end vertical columns are provided with insertion grooves, the inner sidewalls of the two-end vertical columns are provided with water inlet holes, the two sidewalls of the middle vertical column are provided with water inlet holes, the stop plates are provided with through holes, and two ends of each stop plate are inserted into the insertion grooves of the corresponding two adjacent vertical columns. The assembled movable anti-flood wall has the advantages that the assembled movable anti-flood wall is good in structural integrity by the aid of a trapezoid convex-concave structure splicing and inserting connection mode; when flood enters the multiple layers of stop plates from bottom to top layer by layer, the weight of the stop plates is increased by water weight, so that structural integral stability is improved greatly; the height of the lower stop plates is larger than that of the upper stop plates, and the joints between a base or an original dam and the base stop plates are provided with grooves and hermetic rubber water-stop strips, so that seepage-preventing and water-stopping effects are good; the anti-flood wall can be assembled and disassembled quite rapidly by means of socket type connection between the vertical columns and the base, so that working efficiency is improved greatly.

The invention relates to the technical field of an air compressor, in particular to an air compressor. The air compressor comprises an air compressor body, a pipe structure air-storing tank and at least one disc-shaped air-storing tank, wherein the disc-shaped air-storing tank is detachably connected to the air compressor body; an air delivering opening in the air compressor body is communicated with the pipe structure air-storing tank in a sealing way; the pipe structure air-storing tank is detachably communicated with the disc-shaped air-storing tank through an air delivering pipe in the sealing way. Due to the fact that a one-charging-multipurpose working mode is adopted, a plurality of disc-shaped air-storing tanks can be simultaneously driven to inflate, and the working efficiency is high; due to the fact that the disc-shaped air-storing tanks are adopted, the air compressor is convenient to carry and store; due to the fact that the air compressor is more compact in structure, the air compressor is easier to package and transport; due to the fact that the disc-shaped air-storing tanks are fixed by adopting a detachable buckle mode, the operation step is simplified, and the air compressor is quick and safe in assembly, easy in disassembly, and can be quickly detached without any tool; the air compressor is simple in structure, parts are easier to store, and the processing cost is low.

The invention discloses a pneumatic forceps holder, relates to the forceps holder for motor braking, and belongs to the novel pneumatic forceps holder both economic and practical. The pneumatic forceps holder is characterized by comprising two symmetrical shells same in size and two symmetrical spring bellows same in size; the spring bellow are oppositely combined and arranged in the shells and fixed through bolts; an inner cavity is formed between the spring bellows, and an outer cavity is formed between the shells and the spring bellows; one outer side face of the shells serves as a level surface to be processed. The pneumatic forceps holder has the advantages that the pneumatic forceps holder is novel in structure, convenient to process, small in size, convenient to mount and use, less n processing difficulty and precision, long in service life, convenient to maintain and replace and the like.

The invention discloses a double-shaft jaw clutch. The double-shaft jaw clutch comprises a casing provided with an excitation coil, a mounting seat connected with the casing, an input shaft and an output shaft, wherein the input shaft is arranged on the inner end surface of the mounting seat and provided with an input rotating disc; the output shaft is arranged on the inner end surface of the casing and provided with an output rotating disc; an armature is connected with one end, close to the output rotating disc, of the input rotating disc; a spring seat is arranged in the center of the casing; multiple grooves are uniformly distributed in the casing and located in the circumferential direction of the periphery of the spring seat; a spring hole opposite to the spring seat is formed in the end surface center, close to the armature, of the output rotating disc; two racks distributed at a 180-degree angle are arranged on the output rotating disc and located on the periphery of the spring seat; the racks are embedded into the two corresponding grooves in a matched manner; disengaging springs are mounted in the spring seat and the spring hole in a matched manner. The double-shaft jaw clutch is simple in structure, small in size, light in weight, reasonable in layout and good in reliability.

The invention discloses a rubber bushing vulcanization mold. A plurality of clutch mechanisms are arranged between a first upper mold plate and a second upper mold plate, and the clutch mechanisms areused for bouncing open and always connected with the first upper mold plate and the second upper mold plate; upper mold inserts are embedded in the first upper mold plate, a plurality of second uppercavities are formed in the second upper mold plate, a middle mold plate is provided with a plurality of middle cavities, and the lower mold plate is provided with a plurality of lower cavities used for fixedly arranging lower mold inserts; and the upper mold inserts partially extend into the second upper cavities, the lower mold inserts partially extend into the middle cavities, and a plurality of rubber discharging openings are formed in an intersection between the upper ends of the lower mold inserts and an outer pipe at intervals, and rubber storing grooves communicated with the rubber discharging openings are formed in the middle mold plate. The rubber bushing vulcanization mold has the advantages that a brushing is prevented from hanging on the second upper mold plate when a mold isopened, thus opening of the mold and taking of parts are convenient; that excess rubber and gas are discharged into the rubber storing grooves through the rubber discharging openings is ensured, gluesealing is convenient, the work of trimming slitter edge in a later stage is saved, the quality and the pass rate of the bushing are increased, and labor intensity of the workers is reduced.

The invention discloses a fabricated anti-seismic strengthening structure of a brick-concrete structure wall body. The fabricated anti-seismic strengthening structure comprises the brick-concrete structure wall body (3); a floor slab (4) is arranged on the inner side of the brick-concrete structure wall body (3); a group of reinforcing columns (1) and reinforcing beams (2) are arranged on the outer wall surface of the brick-concrete structure wall body (3); and the reinforcing columns (1) and the reinforcing beams (2) are fixedly connected with the brick-concrete structure wall body (3) through tying bolts (5). According to the fabricated anti-seismic strengthening structure, a reinforced wall body of a house is connected with the reinforcing columns and the reinforcing beams in the fabricated anti-seismic strengthening structure to form a whole new wall body, so that the anti-seismic performance of the original brick-concrete structure house is greatly improved. According to the technical scheme, the fabricated anti-seismic strengthening structure is reliable, safe, fast and convenient, construction facilities does not need to be prepared on site too many, the construction speed is improved, social benefits for the earthquake-resistant comprehensive reconstruction of old residential buildings are obvious, the bearing capacity of the old residential buildings is increased, andmeanwhile the fabricated anti-seismic strengthening structure is beneficial to fire prevention and corrosion prevention.

Provided is an automatic fire extinguishing method of a square and plate blank cutting gun. When a fire cutting clamping device is stopped at an in-situ limit point, a PLC control system feeds back signals to guarantee that gas valve groups of the fire cutting gun are in an un-powered state, and gas sources of the fire cutting fun are closed. When casting blank is pulled to a fixed length, the control system feeds back signals, it is guaranteed that the gas valve groups of the cutting gun are powered through the PLC control system, the gas sources of the cutting gun are opened, and the casting blank is cut. After the casting blank is cut, it is guaranteed that the gas valve groups of the fire cutting gun is un-powered through the PLC control system, and the situation that all the gas sources of the cutting gun are closed is achieved. Compared with the prior art, the automatic fire extinguishing method of the square and plate blank cutting gun has the advantages of being simple in structure, capable of saving energy, rapid to install, convenient to operate, safe, reliable and the like. Automatic fire extinguishing is achieved when the cutting gun of a fire cutting machine is not used for cutting casting blank; automatic ignition operation is achieved when the cutting gun is used for cutting the casting blank, and therefore the purposes of saving energy and prolonging the online service life of equipment are realized.

The invention discloses an angle-adjustable type agricultural tree trimming device in the technical field of agriculture. The trimming device comprises a supporting frame body. A handheld handle is installed at one end of one side wall of the supporting frame body. An installing groove is formed in the other end of one side wall of the supporting frame body. A rotating shaft is rotationally inserted in the installing groove. A hydraulic cylinder is installed at the bottom of an inner cavity of the installing groove. The rotating shaft is sleeved with a sleeve. The two side walls of the sleeveare provided with a lower turning plate and an upper turning plate respectively. The outer wall of the sleeve is provided with a fixing hole. The sleeve is fixedly connected with the rotating shaft through the fixing hole. The outer wall of the lower turning plate and the outer wall of the upper turning plate are each provided with a spring gasket. A buffering spring is installed in each spring gasket. The trimming angle of a trimming saw web is realized, the trimming efficiency is greatly improved, operation is simple and rapid, structure installation is stable, labor intensity is greatly reduced, and more time and labor are saved during agricultural tree trimming.

The invention discloses a cable threading box convenient for fixing, which can be connected to an office table in any position according to actual needs. The cable threading box comprises a rectangular tube composed of a fixed L-shaped profile (1) and a movable L-shaped profile (2), wherein a fixing hole is formed in the bottom of the fixed L-shaped profile (1), a suction type sucker (3) is connected to the fixing hole, and wire threading holes (4) are uniformly arranged in the vertical surfaces of the fixed L-shaped profile (1) and the movable L-shaped profile (2). The cable threading box can be fixed on skirting, such as the bottom surface, the side surfaces and the posts of a table. When the cable threading box is in use, the cable threading box is fixed to the skirting, the box cover is opened, and cables are placed in and organized to facilitate subsequent wire inlet and outlet operation.

The invention relates to a double-cavity five-channel first-aid respirator for respiratory alkaline poisoning, and aims to solve the technical problem that an existing respirator cannot solve the problem that oxygen deficit and respiratory alkaline poisoning exist at the same time. According to the technical scheme, the double-cavity five-channel first-aid respirator comprises a cylinder body, a first partition plate, a top plate, a rotating shaft, a ventilation cover and a second partition plate, a mask and a detection module interface are arranged at the lower end of the cylinder body, the first partition plate is vertically arranged in the middle of an inner cavity of the cylinder body, and an oxygen interface is formed in the portion, located on the lower portion of an area I, of the cylinder body, the top plate is arranged on the upper end, the rotating shaft is arranged in the middle of the top plate, the ventilation cover is arranged on the top plate, the second partition plate is vertically arranged in the middle of the ventilation cover, a ventilation cover bottom plate is arranged on the lower portion in the ventilation cover, a first air adjusting opening and a second air adjusting opening are formed in the top plate and the ventilation cover bottom plate, and a plurality of ventilation holes are evenly formed in the side walls of the two sides and the rear side of the ventilation cover. According to the invention, the inhalation concentration of carbon dioxide of a patient can be increased, oxygen can be supplemented, and the problems of respiratory alkaline poisoning and oxygen deficit can be solved.

The invention discloses a seedling stage mulching film rolling recycling machine. The seedling stage mulching film rolling recycling machine comprises a mulching film rolling recycling machine frame. Two sides of the bottom of the mulching film rolling recycling machine frame are symmetrically provided with cutters. The top of the rear end of the mulching film rolling recycling machine frame is provided with a mulching film rolling roll shaft. Two sides of the mulching film rolling roll shaft are provided with a bearing base with a bearing, and the bearing base with the bearing is fixed on the mulching film rolling recycling machine frame. One end of the mulching film rolling roll shaft is provided with a motor. A storage battery is positioned at one side of the motor, and the motor and the storage battery are fixed on the mulching film rolling recycling machine frame. One end of the motor and the mulching film rolling roll shaft is connected by a coupler. The seedling stage mulching film is cut along two bottom edges by the cutters, and is rolled on the mulching film rolling roll shaft across the mulching film rolling recycling machine frame. The seedling stage mulching film rolling recycling machine is capable of conveniently finishing the film detaching work after recycling the mulching film, the structure is simple and convenient, the mulching film can be continuously rolled, the subsidiary time for re-rolling the mulching film is shortened, and the working efficiency is greatly improved.