32results about How to "Guaranteed elastic contact" patented technology

The invention discloses an efficient sheet coating machine for processing a lead-acid storage battery grid. The efficient sheet coating machine comprises a working machine box. A feeding port and a discharging port are formed in the side walls of the two ends of the working machine box correspondingly. A roller feeding linkage mechanism and a roller discharging linkage mechanism are arranged at the lower ends of the outer sides of the feeding port and the discharging port and are provided with grid sheets which are in a stretched state. A material storing and stirring barrel is mounted at oneend, close to the feeding port, of the top of the working machine box, and the other end is provided with a heating device box. The two sides of the heating device box are provided with fan units correspondingly. The two ends of air pipes on the two fan units are connected with the two sides of the heating device box and the two side shells of the working machine box and extend to the interior ofthe working machine box to be connected with an air outlet cover. The interior of the working machine box is provided with a coating mechanism box vertically under the material storing and stirring barrel. Two porous pressing rollers are arranged in the coating mechanism box. By means of the efficient sheet coating machine, the coating quality of the battery grid sheets is effectively improved, and the production efficiency is remarkably improved as well.

The invention provides a driving rotary sludge scraping device of a filtered sludge treatment system, relates to the technical field of sludge scraping devices, and solves the problem that automatic feeding of a scraping plate cannot be realized through structural improvement. During scraping, vibration type cleaning and airflow impact type cleaning cannot be realized through structural improvement. The driving rotary sludge scraping device of the filtered sludge treatment system comprises a pipe body. A cleaning structure is rotationally connected to the pipe body, a scraping structure is mounted on the cleaning structure, and an auxiliary structure is mounted on the scraping structure. An air injection structure is installed on the pipe body, and a driving structure is rotationally connected to the pipe body. Through the arrangement of the cleaning structure, the head ends of three elastic telescopic rods are aligned with through holes, and the head ends of the three elastic telescopic rods are in elastic contact with the through holes, so that vibration cleaning of the through holes can be achieved through the elastic telescopic rods when a rotating shaft A rotates.

The invention relates to a sewage source drainage pipe dredging comprehensive operation vehicle and a using method thereof. The vehicle comprises a carrying vehicle, a sewage filter assembly and a baffle plate; a sewage inlet connected with a sewage source drainage pipe is formed in the baffle plate, and the filter residue sewage inletis also provided with a water inlet coarse filter mesh; the filter residue sewage filter assembly comprises a submersible sewage pump, a filter, a high pressure pump, a jet tube and a jet spraying head; the filter residue submersible pump is connected with the inlet coarse filter mesh; the filter residue filter and the highpressure pump are connected, the filter residuehighpressure pump is connected with the jet tube, and the filter residue jet spray head isarranged on the jet tube; the filter residue carrying vehicle is also provided with a vehicle-mounted diesel engine, the filter residue vehicle-mounted diesel engine is connected with a generator, andthe filter residue generator is electrically connected to the high pressure pump and the sewage filter assembly. The vehicle has the advantages of reasonable structural design, flexible operation anduse, low maintenance cost, high operation efficiency, high degree of automation and intelligence,the ability to completely remove debris in a drainage pipe and the like.

The invention discloses an inclined strut offshore wind power single pile foundation with a damping sleeve and a construction method. The inclined strut offshore wind power single pile foundation comprises a pile body, the damping sleeve, inclined struts, dampers and a rotating shaft. The multiple inclined struts are annularly and radially arranged along the outer wall of the damping sleeve, the viscous dampers are arranged in the damping sleeve and connected with the rotating shaft, and four-direction translation is achieved; the axis direction of the damping sleeve is consistent with the axis direction of the pile body, the space between the damping sleeve and the pile body is filled with the cement rubber particles, elastic contact is guaranteed, and meanwhile, the pile body is prevented from being separated from the damping sleeve under cyclic loads. The structure is simple, the inclined struts surround the lower portion of the mud surface around the foundation, the diameter of the pile body is reduced, the horizontal bearing capacity and stability of the pile body are guaranteed, horizontal lateral inclination of the pile body is avoided, installation is convenient and fast, and operation is easy and convenient.

The invention discloses an interlocking mechanism of a low-pressure drawer type switch cabinet. The interlocking mechanism comprises a torsion arm, a fan-shaped wobble wheel and a gear rack, wherein the fan-shaped wobble wheel is driven by the torsion arm; the gear rack is fixedly arranged on a leading-in plug; a square driving block is arranged on a rotating shaft of the torsion arm; the center of the fan-shaped wobble wheel is mounted on the square driving block; a gear is arranged on a wheel rim of the fan-shaped wobble wheel; the gear is meshed with the gear rack; and a limiting block is arranged at a position corresponding to a stoppage position of the torsion arm. The interlocking mechanism of the low-pressure drawer type switch cabinet, which is provided by the invention, the driving is carried out by adopting a gear rack transmission way; the leading-in plug can stably enter a leading-in plug operating hole; the running stability of the whole interlocking mechanism is guaranteed; moreover, due to the existence of the limiting block, the possibility of misoperation can be further prevented; the fan-shaped wobble wheel is guaranteed not to be disengaged from the gear rack; moreover, the torsion arm is guaranteed to be in elastic contact with the limiting block by means of a supporting spring; and the running safety of the whole mechanism is guaranteed.

The invention relates to an integrated short connector of an instrument while drilling. The integrated short connector comprises a telescopic connector assembly, a fixed connector assembly and a drillcollar adapter substitute, wherein the drill collar adapter substitute comprises an upper drill collar adapter substitute and a lower drill collar adapter substitute; the telescopic connector assembly is mounted in the upper drill collar adapter substitute, and the fixed connector assembly is mounted in the lower drill collar adapter substitute; and the telescopic connector assembly is in butt joint with the fixed connector assembly. The connector is integrated with drill collar nipples of all instruments of a rotary geosteering system, and power supply communication in the instruments is achieved while threaded connection of the drill collars of all the instruments is achieved. In the manner of achieving internal communication in the instruments through direct connection of the drill collars, on one hand, the link of manual connection of a field operation is omitted, so that the construction safety risk is reduced, and the operation efficiency is improved; and besides, the threaded connection torque of the drill collars is utilized to ensure the reliability of internal connection power supply communication of the instruments, so that the use and assembly difficulty of the connector is reduced, the overall structure of the connector is simplified, and the length of the connector is shortened.

The invention discloses a multifunctional sandbag hanging device. The sandbag hanging device comprises a sandbag frame and sandbags, the sandbag frame comprises a base and a stand column arranged on the base. The stand column comprises an inner shell and an outer shell movably arranged outside the inner shell in a covering mode. A driving mechanism used for driving the outer shell to ascend and descend along the inner shell is installed in the inner shell or the outer shell. The sandbag is hung on one side of the outer shell. The two sides, corresponding to the bottom of the sandbag, of the outer shell are each provided with a damping mechanism used for buffering acting force borne by the sandbag, each damping mechanism comprises two damping shock absorbers, and the driving mechanism is connected with a switch controlling the driving mechanism to be turned on and turned off. According to the multifunctional sandbag hanging device, the height of the sandbag is adjustable, and the damping and buffering effects on the sandbag can be achieved.

The invention provides a continuous change type integral piston ring mechanical loading device. The device comprises a piston, a loading device shell, a loading ejector rod and a connecting ejector rod, wherein the loading device shell is arranged on the top of the piston, a spring component installation hole is formed in the loading device shell, a spring component is installed in the spring component installation hole and comprises an outer spring fixture, an inner spring fixture and a spring, and the spring is located in a hollow structure formed by the outer spring fixture and the outer spring fixture; one end of the loading ejector rod is connected with the outer spring fixture, the other end of the loading ejector rod makes contact with a piston ring, a screw protrudes out of the middle of the loading device shell, an adjusting nut is installed on the screw, one end of the connecting ejector rod is connected with the inner spring fixture, and the other end of the connecting ejector rod makes contact with the adjusting nut. The integral piston ring can be loaded, uniform continuous quantitative loading of the peripheral direction of the piston ring is achieved, and relative elastic contact between the piston ring and a cylinder jacket is guaranteed.

The invention discloses a double-sealing high-temperature high-pressure elastic ball valve seat structure. The structure involves a ball body, a valve seat, sealing rings I, sealing rings II, a springseat, a spring, a pressing ring, a pressing sleeve and a valve body, wherein a deep groove is formed in the end, abutting against the ball body, of the valve seat, the valve seat is provided with twoconcentric sealing rings I, the sealing rings I are fixed through the spring seat, the spring is mounted on the spring seat, the spring abuts against the pressing ring, two concentric sealing rings II are arranged between the pressing ring and the pressing sleeve, and the pressing sleeve abuts against the valve body. The structure has the beneficial effects that the improved high-temperature high-pressure ball valve structure has double sealing, and meanwhile, the valve seat has certain elasticity so that the risk of medium leakage can be effectively reduced, and the safety of the valve usedin field working conditions is ensured.

The invention relates to a four roller corn thresher. When a left main threshing roller and a left auxiliary threshing roller rotate anticlockwise and a right main threshing roller and a right auxiliary threshing roller rotate clockwise, the left auxiliary threshing roller is installed between a left side plate and a left main threshing roller, and the right auxiliary threshing roller is installedbetween a right side plate and the right main threshing roller; notches A are formed in the two sides of the tail of a pressing plate, and notches B are formed in the tails of the left side plate andthe right side plate; threshing parts are arranged at the notches A, one ends of the threshing parts are fixed to the pressing plate through locating springs, and the other ends of the threshing parts penetrate through the notches B to be connected with a machine body; the threshing part is a whole body or is at least composed of a threshing part A and a threshing part B which are movably connected. By arranging threshing parts at the notches, the purposes of increasing the threshing rate and solving the problems that elastic parts are prone to damage and the replacement cycle is short are achieved.

The invention belongs to the technical field of home lighting, and particularly relates to an LED fluorescent lamp. The lamp comprises a lamp tube and a lamp holder, the lamp tube is installed in thelamp holder, and a power connection column is arranged at the end of the lamp tube. Chutes are formed in the side wall of the lamp holder, and power connection grooves are formed in the position closeto the power connection column. Clamping units are arranged in the chutes. Each clamping unit comprises a U-shaped rod, a trapezoidal block and a hinge rod; the trapezoidal blocks are installed at the end, located in the chutes, of the U-shaped rods. The hinge rods are hinged to the side walls of the chutes through a torsional spring, the side walls of the hinge rods make contact with the side walls of the trapezoidal blocks all the time, and friction blocks are arranged at the ends of the hinge rods. According to the LED fluorescent lamp, the fixing effect on the lamp tube is enhanced through cooperation of the lamp tube, the lamp holder and the clamping units, the lamp tube can be fixed to the lamp holder except for the supporting force of the shell on the lamp tube, it is guaranteed that electrification between the lamp tube and the lamp holder is stable, and the using effect of the LED fluorescent lamp is enhanced.