54results about How to "Reduce replacement and maintenance costs" patented technology

The invention discloses an electrostatic-filter compound dust remover. The dust remover consists of an electrostatic dust remover and a cloth bag dust remover which are connected in series and arranged in a shell; the front end of the electrostatic dust remover is provided with a smoke inlet; an inlet smoke box and a smoke uniform distribution device in turn; the back end of the cloth bag dust remover is connected with an outlet smoke box and a smoke outlet in turn; a guide and uniform distribution device is arranged between the electrostatic dust remover and the cloth bag dust remover; the bottoms of the electrostatic dust remover and the cloth bag dust remover are provided with a dust hopper respectively; the electrostatic dust remover is provided with a direct current electrode which is connected with a negative high-voltage direct prior supply; the cloth bag dust remover is provided with an alternating current electrode and a filter bag; and the alternating current electrode is connected with a high-voltage alternating prior power. The electrostatic-filter compound dust remover combines the advantages of the electrostatic dust remover and the cloth bag dust remover, has high dust removing efficiency, especially improves the dust removing efficiency of nano-scale dust, has low filter bag resistance (lower than 1,000 Pa), adapts to the changes of various working conditions, and can meet high standard discharge requirement (smaller than 50 mg/Nm<3>).

A fan blade assembly includes multiple blades sandwiched between a base and a cap. The base has a hollow shaft and has multiple mounting slots, positioning tubes and fixing holes. Each of the blades has a mounting seat having two lugs. The lugs of any two adjacent blades are inserted into the respective mounting slot. The mounting seat has at least one first through hole to allow insertion of the respective positioning tube, and has at least one second through hole. The cap has a mounting sleeve mounted on the shaft, multiple positioning posts each inserted into the respective first through hole and multiple threaded tubes each inserted into the respective second through hole. The fan blade assembly also includes multiple fastening screws each extended through the respective fixing hole and each screwed into the respective threaded tube.

The invention relates to an aquiculture stay bar, which comprises a bar body. The aquiculture stay bar is characterized in that the bar body is a hollow bar body; a spirally-arranged spiral piece is fixedly arranged at the lower part of the bar body; a limiting tray is fixedly arranged on the bar body above the spiral piece; and a rope knot fixing piece is fixedly arranged at the upper part of the bar body. The invention further discloses a production method of the aquiculture stay bar. The production method is characterized in that the aquiculture stay bar is produced by extruding and forming through a die, taking m-benzene type unsaturated polyester resin and the like as base materials, taking alkali-free twistless glass fiber roving as a radial framework, taking a polyester composite felt as a weft covered felt and taking hemming felts as a weft sandwich felt and a weft inner felt. The aquiculture stay bar has the advantages of reasonable structure, firmness in support, no floating, lightness in inserting into mud, capability of rotating, high firmness, light weight, high elasticity, strength which is 3-5 times that of a bamboo pole, low possibility of breaking off, favorable acid and alkali and salt resistance, insolubility, favorable temperature resistance, ageing resistance, no pollution, capable of being repaired and long service life.

The bird deterrent comprises a substantially flat tilting surface, having a substantially elongated shape and a substantially curvilinear profile, which can be positioned in a balancing position and oscillating, as a consequence of a bird or the like perching on it, around at least an axis of rotation substantially horizontal and parallel to the longitudinal axis of the tilting surface, and support means associable with a perching surface and supporting the tilting surface.

The invention discloses an anti-molten aluminum corrosion coating. The coating is characterized by comprising at least three sub-coatings, namely the alloy layer arranged on the surface of a substratein a coating mode, a ceramic layer arranged on the surface of the alloy layer in a coating mode and a hole sealing layer arranged on the surface of the ceramic layer in a coating mode. The anti-molten aluminum corrosion coating has high-temperature abrasion resistance, aluminum sticking resistance, molten aluminum corrosion resistance, large bonding strength and excellent thermal shock resistance. Moreover, a preparation method of the anti-molten aluminum corrosion coating is easy to implement, coating materials are easy to obtain, and the production cost is reduced.

The invention relates to a filter screen cleaning method. The method comprises the following steps: 1, immersing a filter screen in an acidic solution with the pH value of 2-3 for a first predetermined time; 2, flushing the filter screen by using an alkaline solution with the pH value of 12-13 for a second predetermined time; 3, immersing the filter screen in the alkaline solution for a third predetermined time; and 4, flushing the filter screen by using a sodium hypochlorite-containing alkaline mixed solution with the pH value of 10-11. The method can effectively remove impurities on the filter screen in order to save the replacement cost of the filter screen.

The invention provides a Doppler probe convent to assemble and disassemble. The Doppler probe comprises a sleeve, wherein a probe body is arranged in a cavity of the sleeve, a flanging extending outwards is arranged at the end part of one end of the sleeve, a limiting part is arranged on the bottom, at the other end, of the sleeve, a clamping hole is formed in the flanging, one end of the probe body is provided with a round plate with the diameter greater than the diameter of the sleeve, the round plate is provided with clamping jaws, one end of the probe body extends into the sleeve and is matched with the limiting part for limiting the axial movement of the probe body, and the clamping jaws and the clamping hole are matched for limiting the circumferential rotation of the probe body. When the probe is mounted, one end of the probe body extends into the sleeve and is matched with the limiting part, thus the axial movement of the probe body is limited, the probe body is rotated to enable the clamping jaws of the round plate to be matched with the clamping hole, thus the circumferential rotation of the probe body is limited, the mounting of the probe is completed, therefore, the assembly and disassembly of the Doppler probe are greatly facilitated, and the replacement and maintenance costs are reduced.

The invention discloses a punching mechanism adopting a die with multiple form blocks. The punching mechanism adopting the die with the multiple form blocks comprises a rack, an upper die installationblock and a lower die installation block, wherein an installation block is fixed to the top surface of the middle part of a top plate of the rack; a lower installation groove is formed in the middlepart of the top surface of the installation block; the lower die installation block is inserted and sleeved in the lower installation groove and is fixedly connected onto the bottom surface of the lower installation groove through a bolt; an upper support frame is fixed to the top surface of the top plate of the rack; multiple punching oil cylinders are fixed to the top surface of a top plate of the upper support frame; push rods of the punching oil cylinders penetrate through the bottom surface of the top plate of the upper support frame and are fixed onto the top surface of the upper die installation block; and two installation grooves are formed in the top surface of the lower die installation block. According to the punching mechanism provided by the invention, the multiple punching oil cylinders are adopted for punching, so that the forming stress is ensured to be uniform; meanwhile, multiple upper dies and lower dies are arranged on the upper die installation block and the lowerdie installation block, so that multiple products can be formed independently at one time; and when part of upper dies or lower dies are damaged, only the corresponding upper dies or lower dies need to be replaced.

The invention discloses a material holding and conveying device of a prefabricated bag packaging machine, and belongs to the technical field of packaging machines. The material holding and conveying device is characterized by comprising a horizontal moving mechanism and a holding mechanism connected with the horizontal moving mechanism; the holding mechanism does the reciprocating motion in the material running direction under the effect of the horizontal moving mechanism. Materials cannot be shaken in the conveying process, and material conveying is more stable compared with that of a clamping mechanism, the materials cannot be clamped and extruded, and the material conveying efficiency is improved; and the holding mechanism does the reciprocating motion in the material running direction under the effect of the horizontal moving mechanism, material conveying and holding are independently matched, the whole holding stroke is shortened, and the follow-up prefabricated bag packaging efficiency can be further improved.

The invention discloses a horizontal pulled gate bottom trolley with rolling wheels of a self-lubricating bearing structure. Every two sets of rolling wheel parts are installed on a frame; the left frame and the right frame are connected into an overall framework of the bottom trolley through a frame beam; a gate body is located on roller parts of the bottom trolley through arc-shaped base plates; the roller parts transversely move under water pressure to complete attaching leaning and water stoppage; the left rolling wheel parts and the right rolling wheel parts travel along bottom rails laid in a groove lower than a doorsill in parallel so that the gate body can travel forwards and backwards along the bottom rails to be opened and closed; the four sets of rolling wheel parts are of the same structure; each rolling wheel part comprises a rolling wheel, a rolling wheel shaft, a self-lubricating bearing and self-lubricating bearing sealing covers; the rolling wheels are installed on the frames through the rolling wheel shafts; the self-lubricating bearings are arranged between the rolling wheels and the rolling wheel shafts; and the two ends of each self-lubricating bearing are sealed through the corresponding self-lubricating bearing sealing covers. The structure is simple, the manufacturing cost is reduced, the horizontal pulled gate bottom trolley is easy to maintain and even is free of maintenance, and the defects of underwater use of roller bearings in the prior art can be totally overcome.

The invention discloses a modular double-cooling source data center cooling system combined with fresh air. The system comprises a fresh air treatment section module, an air mixing section module, a water evaporation refrigeration section module and a mechanical refrigeration section module. The system has the outstanding advantages of convenient assembly, small maintenance amount, high reliability, low energy consumption and the like, realizes the micro-positive pressure of the protection space on the basis of ensuring the clean and tidy data center environment, can automatically adjust the configuration of cold sources according to the actual condition of the natural environment, and realizes the maximization of energy conservation.

The invention discloses a combined rubber vibration isolator for a floating slab track. The vibration isolator is composed of an upper metal piece, a rubber elastic piece, a lower metal piece and a locking component. The rubber elastic piece has the conical outer circumferential face and the conical inner circumferential face, and the outer circumferential face and the inner circumferential face of the rubber elastic piece are tightly attached to the upper metal piece and the lower metal piece respectively; the rubber elastic piece comprises a rubber piece body, an outer ring skeleton, a middle ring skeleton and an inner ring skeleton; the outer ring skeleton, the middle ring skeleton and the inner ring skeleton are arranged inside the rubber piece body separately and vulcanized with the rubber piece body into a whole. The locking component sequentially penetrates through the lower metal piece, the rubber elastic piece and the upper metal piece from bottom to top, the upper portion ofthe locking component is in spiral connection with the upper metal piece, and the lower portion of the locking component abuts against the lower metal piece. The invention further discloses an installing method of the combined rubber vibration isolator for the floating slab track. The vibration isolator is simple in structure, easy to disassemble, assemble, replace and maintain, and low in maintain cost.

A ceiling fitting includes a canopy provided with a fixed hook and a mounting hole, a movable hook mounted on the mounting hole of the canopy and having an arcuate restriction portion, a lighting module removably mounted on the canopy, and an outer cover covering the lighting module. The lighting module includes a lamp board mounted on the canopy and located between the movable hook and the fixed hook, and a light permeable shell mounted on the lamp board. The lamp board is provided with a first retaining groove and a second retaining groove. The first retaining groove is locked onto the movable hook, with the restriction portion of the movable hook being retained by the first retaining groove of the lamp board. The second retaining groove is locked onto the fixed hook.

The invention relates to the technical field of electric toothbrushes, and discloses an intelligent electric toothbrush with a shaking shutdown function, which comprises a shell, a sealing cover is fixedly installed at the bottom of the shell, a connecting cylinder is fixedly installed at the top of the shell, a brush head communicated with the connecting cylinder is fixedly installed at the top of the connecting cylinder, and a first partition plate is fixedly installed in the shell. According to the intelligent electric toothbrush with the shaking shutdown function, the mistaken-touch-preventing shaking opening and closing operations can be carried out; internal water inflow caused by damage of a button waterproof part is avoided; when a traditional electric toothbrush is used, a switchneeds to be pressed to achieve startup and shutdown operation; and meanwhile, the contact force between the exterior of a hairbrush sleeve and the teeth of the user can be reduced, the situation thatthe teeth are greatly abraded due to excessive force is avoided, the use experience of the user is improved, the user can replace the bristles conveniently, and the replacement and maintenance cost islow.

The invention discloses a carbon fiber hollow heating rod column which comprises a plurality of carbon fiber hollow sucker rods and a metal hollow double-end joint. Each carbon fiber hollow sucker rodcomprises a metal joint, an adhesive, a seal ring and a carbon fiber hollow pipe. One end of each metal joint is bonded to the outer side of one end of the corresponding carbon fiber hollow pipe through the adhesive, an inner thread is arranged at the other end of each metal joint, outer threads adaptive to the inner threads of the metal joints are arranged on the outer sides of two ends of the metal hollow double-end joint, two ends of the metal hollow double-end joint are in threaded connection to the metal joints at one ends of the two carbon fiber hollow pipes, and each seal ring is arranged at the end, bonded to the pipe wall of the corresponding carbon fiber hollow pipe, of the corresponding metal joint. The carbon fiber hollow heating rod column has the beneficial effects that thecarbon fiber hollow sucker rods are connected and communicate through the metal hollow double-end joint, so that the problem that the using effect of the carbon fiber hollow sucker rods is affected directly in use of the carbon fiber hollow sucker rods as a result of wax precipitation or viscosity in an oil well is solved, the oil suction efficiency is improved, and the replacement and maintenancecosts are lowered.

The invention relates to a non-contact pressing device for a remotely controllable lighting lamp switch. The device comprises a box body, a fixing clamp mechanism, a rotating pressing mechanism, a connection driving module, an integrated panel and a cover plate. The box body and the integrated panel are fixed to form an accommodating space opened at one end. The rotating pressing mechanism is fixed on the box body. The connection driving module is arranged on the integrated panel and located in the accommodating space. The fixing clamp mechanism is arranged on the box body and located at the opening of the accommodating space. The rotating pressing mechanism includes a steering gear and a steering gear arm. The steering gear is fixed on the inner wall of the box body. The movable end of the steering gear is fixed together the steering gear arm. Through the rotation of the steering gear, the steering gear arm is driven to press a seesaw to simulate the pressing operation by a human hand. The existing household (seesaw) lamp switch can be transformed into a terminal node of smart home in a simple way, which is convenient, fast and low in cost.

The invention discloses a stripping machine liner which is overall a longitudinal cylindrical body, and bearing parts horizontally extend from the upper end to the periphery; the liner is characterized in that the overall stripping machine liner comprises an outer liner shell and an inner liner core which are tightly sleeved together; the liner core is overall a longitudinal cylindrical body, and the bearing parts horizontally extend from the upper end to theperiphery; and the upper surface of each bearing part connects the liner shell and the liner core together through a downward screw. The liner in the technical scheme comprises the liner shell and the liner core which are connected together by the screw when in use, and does not affect the use effect; simultaneously, the part around the liner which is not easy to wear is the liner shell, and the central part which is easy to wear is the liner core; consequently, when the middle of the liner is worn and punctured, only the liner core needs to be replaced, and the weight of the liner core is far lower than the overall weight of the liner, so the replacement can be carried out without any crane, so that the replacement is convenient; and simultaneously, the single replacement of the line core can reduce the replacement and maintenance cost.