107results about How to "Play a lifting role" patented technology

The invention discloses an automatic tamper type waste filling hydraulic support which comprises a base and a top beam, wherein the base and the top beam are connected by uprights, the front end of the top beam is provided with a forepole, the rear end of the top beam is provided with a scraper conveyor and further connected with an internally-telescopic extrusion scraping plate by a retractable jack which is arranged horizontally; the rear side of the base is provided with the extrusion scraping plate by a first and a second extrusion jacks, and the first extrusion jack is horizontally arranged. The automatic tamper type waste filling hydraulic support solves the problems that conventional cut and fill hydraulic support equipment can not ensure top filling of filler and has poor tamper intensity; in addition, the automatic tamper type waste filling hydraulic support realizes the high-strength supporting for a gob roof by virtue of waste fillers, effectively eliminates the defect of ground subsidence, realizes safe recovery for part of permanent coal pillars, corner coals and coal under buildings on the premise of not destroying factories and relocating villages, and improves the recovery of the coal resources. The invention is also suitable for various solid fillers such as coal ash, river sand, loess and the like.

The invention discloses a supersonic combustion chamber cavity ignition device and a scramjet engine. The supersonic combustion chamber cavity ignition device comprises an installation base. Fuel spray holes are formed in the upstream portion of the installation base. A cavity is formed in the downstream portion of the installation base. The fuel spray holes and the cavity are formed in the same plane of the installation base. An ignition plug is arranged on the bottom surface of the cavity. A stop piece is arranged in the downstream direction of the ignition plug. The stop piece comprises a left stop piece body and a right stop piece body which have the same triangular shape. One edge of the left stop piece body is connected with the edge, with the same length, of the right stop piece body, and the other group of adjacent edges of the left stop piece body and the right stop piece body are fixed to the bottom face of the cavity. The included angle a between the left stop piece body and the right stop piece body in the direction towards the ignition plug is smaller than 180 degrees. According to the supersonic combustion chamber cavity ignition device, fuel is lifted through the stop piece, the probability that the fuel is accumulated at the position of the ignition plug is effectively reduced, it is guaranteed that the fuel and air have an appropriate mixing ratio, and the success rate of ignition is improved.

The invention discloses a mechanical industry production site patrol system based on the internet of things technology. An MVC mode is adopted for the system. The system comprises a presentation layer, a service logic layer and a database layer, wherein the presentation layer is used for presenting functions of the system and interacting with a user, and the presentation layer of the system includes two forms, namely, a user browser end and a handheld patrol instrument. The service logic layer is used for data exchange between the database layer and the presentation layer, dispatching requests of the user, selecting an appropriate presentation method for display, explaining input of the user, and mapping the input of the user to the executable operation of the database layer. The database layer is composed of all levels of database resources.

The invention discloses a welding gun head for regulating the position of a welding gun. The welding gun head comprises a connecting plate, an angle swinger, an angle swinger motor, a welding gun clamping piece and a semi-transverse H-shaped frame, wherein the welding gun clamping piece is connected to the angle swinger, and is used for mounting the welding gun; the semi-transverse H-shaped frame is connected to the connecting plate, and comprises an upper plate, a lower plate and a bottom plate connected between the upper and lower plates; the bottom plate is connected to the connecting plate; a vertical shaft is arranged between the upper and lower plates, and is connected with a rotating block to enable the rotating block to rotate around the axis of the vertical shaft; the angle swinger is fixedly arranged on the lateral surface of the rotating block; the angle swinger motor is fixedly arranged on the upper surface of the rotating block. According to the welding gun head, the position of the welding gun can be regulated in multiple dimensions; the rotating block rotates around the axis of the vertical shaft to rotate the welding gun during non-consumable electrode automatic-welding, so that a welding wire is always positioned in front of a tungsten electrode.

The invention discloses a sorting mechanism and a sorting machine. The sorting mechanism (10) comprises a separation plate (11) and a screw conveying device, wherein a plurality of sieve pores are formed in the separation plate (11), and the inner wall surface of the separation plate (11) is a concave-inward curved surface and forms a conveying channel; the cross section of the separation plate (11) comprises an arc part, and the screw conveying device comprises a shaft (12) and a screw blade (13) installed on the shaft (12); and the axis of the shaft (12) penetrates through the circle center of the arc part. Through the technical scheme, the screw conveying device can convey materials along the conveying channel and meanwhile can play a role of material lifting, so that the materials can horizontally move in the conveying channel and can be thrown to two sides of the conveying channel, therefore the whole plate surface of the separation plate is fully utilized to carry out separation, and the separation efficiency is increased.

The invention discloses an intelligent flexible hanging manipulator for parts. The intelligent flexible hanging manipulator comprises a base plate. A first drive device is fixedly arranged on one side of the upper end of the base plate. A first drive shaft is arranged in the first drive device. A first gear is fixedly connected to the first drive shaft. A support column is fixedly arranged in the middle of the upper end of the base plate. A second gear is rotationally connected to the support column. The second gear and the first gear are located in the same horizontal plane. The second gear is engaged with the first gear. The two sides of the upper end of the second gear are each fixedly provided with a telescopic mechanism. The end, away from the second gear, of each of the two telescopic mechanisms is fixedly connected with a rotary disc. The support column penetrates the middles of the rotary discs and extends to the upper ends of the rotary discs. A limiting block is arranged on the top of the support column. By the adoption of the intelligent flexible hanging manipulator for the parts, the device height can be adjusted conveniently and fast, meanwhile 360-degree rotation can be conducted in the lifting process, the moving range of the manipulator is broadened, and the intelligent flexible hanging manipulator for the parts can meet different needs and is suitable for being popularized.

The invention is applicable to the technical field of detection robots, and provides a detection robot and a rack thereof. According to the detection robot of the embodiment, the rack of a simple structure is opened and sleeves the peripheral edge of a detected object, and then is locked to complete the installation operation before the detection; and the whole process is simple and convenient. Inaddition, a moving range can be also locked through the rack, so that the robot can move around the peripheral edge of the object towards a lengthwise direction of the robot. The detection robot pushes the body to move upwards or forwards by using lift force generated by rotation of wing devices. Compared with a heavy power structure of the existing detection robot, the wing devices of the embodiment are light in weight and can achieve a lifting effect on the whole detection robot; the problem of sliding down caused by low attachment force of the existing detection robot is solved. Guide devices can guide the robot; and meanwhile, the guide devices cling to the peripheral edge of the detected object, so that the stability of the robot in a moving process is enhanced.

The invention discloses a test device for testing brake pad wear property. The test device comprises a wheel hub, a brake test bed and a control system, and further comprises a console; the console comprises a support system and a function system; the function system comprises a simulated ground module and a lifting device; the simulated ground module comprises a simulated floor, a fixed part anda regulating part; the regulating part comprises a limiting ring, a connecting rod, a guide plate and a threaded rod; a use method comprises the following steps: 1) preparation before test; (2) test.To solve the defects in the prior art, the invention provides a technical scheme of a test device for testing brake pad wear property and a use method of the test device. The device disclosed by the invention is simple, convenient to use, and low in production cost, multiple road conditions can be simulated, the use wear conditions of the brake pad at an upslope, a downhill, a gentle pavement andmultiple road conditions and environments can be tested, thereby guaranteeing the accuracy of a test result.

The invention discloses a super-hydrophobic oleophylic material which comprises a matrix, a reinforcing body, a coupling agent and a nano coating attached to the surface of the matrix, the matrix material is one of a stainless steel mesh, foamed nickel, foamed copper or foamed titanium, the coupling agent is dopamine, and the nano coating on the surface is one or two of hexadecylamine and octadecylamine; and the reinforcing body is graphene. The invention also discloses a preparation method thereof. According to the design thought, a layer of reduced graphene oxide coats a metal wire mesh framework such as foamed nickel and the like, the graphene serving as the reinforcing body plays a role in improving the strength of the matrix material, graphene oxide with a small particle size is adopted for coating of the graphene, and after reduction, the sheet layer of the graphene is thin, so that the excellent performance of the graphene can be played. In addition, the graphene has hydrophobicity, the surface of the graphene is modified with nanoscale low-surface-energy substances, performance integration of the graphene and the low-surface-energy substances is achieved, and hydrophobicity, lipophilicity and use durability are improved.

The invention discloses a multifunctional road roller. The multifunctional road roller mainly comprises a rack, wherein a steel wheel is arranged on the left side of the bottom of the rack and travelling wheels are arranged on the right side of the rack; a rotating seat is arranged at the middle of the upper end of the rack; a driving cab is arranged on the rotating seat; a solar receiver is arranged at the top end of the driving cab; a power device is arranged on one side of the upper end of the rack; a lifting device is arranged on one side of the power device; hydraulic control type supporting legs are arranged on two sides of the rack; two ends of the outer side of a central shaft of the steel wheel are connected with supporting arms in parallel; the top ends of the supporting arms areconnected with a bumper; a dust remover is also arranged at the bottom middle of the rack. The multifunctional road roller disclosed by the invention adopts a simple structure and reasonable design;a single road roller is enabled to have multiple functions; the working face of the road roller is expanded so as to meet the demands of multiple working environments.

The object of the present invention is to provide a rubber bearing for low-speed and heavy-duty environments, including a bearing housing, a control valve, and a pump. The inner wall of the bearing housing is provided with slats, and the slats are fixed to the bearing housing by bolts. Axial flow holes are set in the axial direction, radial flow holes are set in the radial direction of the bearing shell, tangential flow holes are set in the position tangent to the inner wall of the bearing shell inside the bearing shell, and a main pipe is set on the outer wall of the bearing shell. The control valve and the pump are connected in sequence through the pipeline. The radial flow hole, tangential flow hole and axial flow hole are all connected. The end of the axial flow hole is connected to the main pipe. Corresponding to the position of the water hole. The invention directly injects water with a certain pressure into the gap between the shaft and the bearing through the water hole to form an effective dynamic pressure lubrication method; the opening position of the water hole can be arranged in a targeted manner according to the actual load state of different ship bearings, So as to achieve better results.

The invention relates to the technical field of smelting furnace feeding, and further discloses an automatic charging machine for a smelting furnace. The automatic charging machine for a smelting furnace comprises a workbench, a containing box, a suction cup slicing device, a feeding device and a clamping device. The containing box is located on one side of the workbench. The suction cup slicing device is located above the containing box. A groove is formed in one side of the top of the workbench, the feeding device is arranged in the groove, the clamping device is located on the other side ofthe workbench, a distribution box is fixedly connected to the bottom of the workbench, a U-shaped bearing plate is fixedly connected to the outer wall of one side of the distribution box, and a control box is fixedly connected to the outer wall of the other side of the distribution box. The automatic charging machine for a smelting furnace has the functions of conveying and overturning copper plates at the same time, the feeding time is greatly saved, the working efficiency is also improved, the quality of molten copper can be improved, and the product quality is improved.

The invention relates to the field of logistics sorting, in particular to a logistics sorting steering device for a logistics sorting production line. The logistics sorting steering device for the logistics sorting production line comprises a supporting table, wherein a working table is arranged at the top of the supporting table; a fixing hole is formed in the top of the working table; a rotating frame is rotatably connected to the top of the working table; fixing grooves are formed in the two sides of the rotating frame; guide rollers are rotatably connected into the fixing grooves; a driving motor is arranged at the top of the rotating frame; an electric telescopic rod is installed at the bottom of the supporting table through a bolt; a servo motor is installed in the working table through a bolt; a fixing plate is installed in the working table; a first motor is installed at the bottom of the fixing plate; the output end of the first motor is connected with a steering structure; and the steering structure comprises a supporting frame. The logistics sorting steering device for the logistics sorting production line provided by the invention has the beneficial effects that a rotating wheel can achieve the steering effect, and the logistics sorting efficiency is improved, so that the logistics sorting steering device can meet the requirements of production lines with different heights, and the applicability of the logistics sorting steering device is improved.

The invention relates to the technical field of fabricated buildings, in particular to a fabricated building wallboard hoisting device which comprises a hoisting frame, the end of the hoisting frame is sleeved with a movable frame, a fixed frame is arranged on the outer wall of the movable frame, a supporting plate is slidably arranged in the fixed frame, and a baffle is arranged on the outer wall of one side of the supporting plate. A mounting groove is formed in the end of the lifting frame, a second telescopic part is arranged on the inner wall of the mounting groove, and the telescopic end of the second telescopic part is fixedly connected with the inner wall of the movable frame. A clamping mechanism; a fixing mechanism; and a limiting mechanism. By means of the fixing mechanism, the building wallboard can be laterally supported, the situation that the building wallboard slips off from the clamping mechanism due to shaking of the building wallboard in the hoisting process can be effectively relieved, the building wallboard can be lifted, the building wallboard is more stable in the hoisting process, and the using effect is better.

The invention relates to a complex preparation for treating prawn enteritis. The complex preparation is prepared from fructus schizandrae, root of Chinese pulsatilla, golden cypress, fructus forsythia, scutellaria baicalensis, smoked plum, folium artemisiae argyi and oligosaccharide in a mixing manner. 5-10kg of complex preparation disclosed by the invention is added to each ton of feed, the prawn enteritis can be effectively controlled after the complex preparation is continuously used for 3-5 days, the complex preparation is convenient to use, meanwhile, the immunity of the organism is improved, water purification is facilitated, and the ecological environment is protected and improved.

The invention discloses a fixing tool for processing a rubber part for an automobile damping system. The fixing tool comprises a fixing tool case, the lower side surface of the fixing tool case is connected with a case trapezoidal base, the left side and the right side of the lower part in the fixing tool case are connected with telescopic spring fixing rings, and the heads of the telescopic spring fixing rings are fixedly connected with automatic telescopic rods. The upper sides of the automatic telescopic rods are connected with hydraulic limiting boxes, the heads of the automatic telescopicrods are connected with automatic clamping plates, and the tails of the automatic telescopic rods are connected with lifting devices. The invention relates to fixing tools. The fixing tool for processing the rubber part for the automobile damping system can play the effect of lifting, can also fix the telescopic rods, does not need to be processed and adjusted during working, takes a pulling fixing effect through the pulling spring, guarantees that clamping hands cannot slide off, can automatically clamp the rubber part, does not need to be adjusted back and forth during working, improves theworking efficiency, and is convenient and practical. And the rubber parts of different types and different sizes can be processed.

The invention discloses a maternal and infant multi-purpose sickbed for the obstetrics department, and belongs to the technical field of medical instruments, the maternal and infant multi-purpose sickbed comprises a sickbed body and supporting legs fixedly connected to the outer wall of the bottom of the sickbed body, a positioning seat is fixedly connected to the ends, away from the sickbed body, of the supporting legs, and rolling wheels are rotationally connected to the inner walls of the two sides of the positioning seat; a second guardrail is fixedly connected to the outer wall of the top of the sickbed body, a driving assembly is fixedly connected to one side of the sickbed body, an outer bed body is fixedly connected to the outer wall of the top of the driving assembly, and a rotating assembly is arranged in the outer bed body. According to the infant nursing bed, a puerpera can be fed without getting out of the bed, the infant cannot be bruised when the puerpera has a rest, the puerpera and the infant can be well protected, meanwhile, the inner bed body can shake left and right through the rotating assembly, so that the infant can fall asleep more quickly, and the nursing effect is better. And rest and body recovery of the lying-in woman are facilitated.

The invention discloses a tender leaf extract of prinsepia utilis as well as a preparation method and applications of the tender leaf extract. The preparation method can be any one of the two following methods: method I: soaking smashed tender leaves of prinsepia utilis in ethanol solution, carrying out extraction for 0.2-1.5 h, carrying out solid-liquid separation to obtain a filtrate, and carrying out reduced pressure rotary evaporation on the filtrate till the drying state, thus obtaining a crude tender leaf extract of prinsepia utilis; method II: (1) preparing the tender leaf crude extract of prinsepia utilis through the method I; (2) dissolving the crude extract in deionized water, loading the crude extract to a macroporous resin packed column, carrying out elution by adopting a solvent I, a solvent II and a solvent III in sequence, collecting the eluents, and removing the solvents from the eluents, thus obtaining an elution part A, an elution part B and an elution part C. The preparation method is simple and convenient, and is easy to operate, high in yield, and suitable for popularization and application; the extract contains various ingredients, the ingredients achieve a synergistic effect, and thus the good efficacies of resisting senility, resisting oxidation and resisting ageing are achieved.

The invention relates to the technical field of and discloses an internal rounding grinding tool for turbine bearing cylinder blades. The internal rounding grinding tool for the turbine bearing cylinder blades comprises a platform; the top of the platform is provided with a bearing cylinder; the two sides of the bearing cylinder are provided with alignment jackscrews; the top of the bearing cylinder is provided with a rotating motor; the output end of the rotating motor is fixedly connected with a gearbox; the bottom of the gearbox is rotationally connected with a stand column; one side of thestand column is fixedly connected with a lifting screw rod; the outer surface of the stand column is movably connected with a rocker; the front side of the rocker is rotationally connected with a gear; and the front side of the gear is fixedly connected with a driven wheel. According to the internal rounding grinding tool for the turbine bearing cylinder blades, by arranging the alignment jackscrews, the bearing cylinder can be installed conveniently, and stability of the bearing cylinder is enhanced; and by arranging the rotating motor, the gearbox, the stand column and the rocker, the effect of blade rotary rounding can be achieved, and the gearbox can control the rotation speed of the stand column conveniently when the rotating motor drives the stand column to rotate.

The invention discloses a harmless collection, storage and transportation whole-process supervision method and supervision system for livestock and poultry died of illness, and the supervision method comprises the following steps: carrying out the size measurement and weighing of each livestock and poultry died of illness, and then collecting the data obtained through measurement; the livestock and poultry died of illness are placed into a hazardous waste turnover box after measurement is completed, and meanwhile collected information of the livestock and poultry died of illness is input into the hazardous waste turnover box in real time; the hazardous waste turnover box is placed in the refrigeration house after being full, and information of livestock and poultry died of illness in the hazardous waste turnover box is input into the refrigeration house; when the inventory of the refrigeration house reaches the upper limit, the hazardous waste turnover boxes are transferred to a disposal site through a transfer trolley, then the hazardous waste turnover boxes are unpacked, and the livestock and poultry died of diseases in the hazardous waste turnover boxes are treated in a centralized mode; and after unpacking is completed, the transfer trolley conveys the vacant hazardous waste turnover box into a disinfection workshop for disinfection. The method can effectively reduce the workload of weighing dead livestock and poultry for a long time, and has the characteristics of high processing efficiency, convenience in supervision and traceability, and low health risk and environmental pollution risk.

The invention discloses a tool wear detection device by utilizing multi-angle camera shooting. The device comprises a damping base, a first clamping block and a detector, damping springs are arrangedabove the damping base; a damping table is arranged above the damping springs, lifting rods are arranged at the two ends of the damping table; the first clamping block is arranged above the damping table; fixing rods are arranged on the front surfaces of the first clamping blocks; a movable rod is arranged above the fixed rod, pulleys are arranged on the outer side of the movable rod, the detectors are arranged at the two ends of the upper portion of the damping table, connecting blocks are arranged on the two sides of the lower portion of each detector, bolts are arranged on the inner sides of the connecting blocks, and chuck springs are arranged above the bolts. The device can be conveniently damped, part abrasion is not easily caused, a cutter is conveniently fixed, meanwhile, the device is conveniently subjected to dust prevention, and socket blockage is not easily caused.

The invention discloses a spiral material lifter for grain storage and transportation. The spiral material lifter comprises a first shell and a second shell, wherein the first shell and the second shell are each internally and rotationally connected with a cylinder, and limiting grooves are formed in the inner side wall of the first shell and the inner side wall of the second shell. Limiting blocks are fixedly connected to the outer side walls of the two ends of each cylinder. The limiting blocks are rotationally connected with the interiors of the limiting grooves. According to the lifter, aninner spiral auger and an outer spiral auger are arranged, by means of a variable-direction transmission device, the inner spiral auger and the outer spiral auger can lift materials, and the materials which adhere to each other and cake due to dampness are extruded and staggered due to the lifting speed difference caused by different rotating speeds, so that the situation that the materials adhere to each other and cake due to dampness and accordingly the lifting speed of the spiral material lifter is influenced is prevented. Besides, by means of magnetic fields changing in the cylinders, aneddy current effect in the inner spiral auger is promoted, then heating is achieved, and the lifted materials in the cylinders are dried and heated.

The invention discloses a self-balancing anti-disengagement crane hook with an auxiliary hook, and belongs to crane hooks. The self-balancing anti-disengagement crane hook with the auxiliary hook comprises a hook body, wherein a main auxiliary hook and an auxiliary auxiliary hook are arranged on the lower side of the hook body, and the auxiliary auxiliary hook is located at the lower side of the main auxiliary hook. According to the crane hook, the main auxiliary hook and the auxiliary auxiliary hook with different angles are arranged on the lower side of the hook body, the main auxiliary hook, the auxiliary auxiliary hook and the hook body are in a free rotation state, on the basis that lifting and transferring of heavy objects by the hook body are not affected, when the hook body inclines, the main auxiliary hook and the auxiliary auxiliary hook can automatically adjust positions and angles thereof under the action of self weight, then a balance state is formed, a heavy object is secondarily hooked when the heavy object is gradually separated from the hook body, falling time of the heavy object is delayed, time is provided for finding and processing of workers, and therefore an accident rate of falling of the heavy object is reduced, and use safety of a crane is greatly improved.

The invention relates to the technical field of geological exploration, in particular to a geological mineral exploration device which comprises a fixing cover, a rotating cylinder is arranged in the fixing cover, discharge ports are formed in the outer wall of the periphery of the rotating cylinder, a tunneling cylinder is arranged at the end of the rotating cylinder, and tunneling teeth distributed annularly are arranged at the end of the tunneling cylinder. The end of the fixing cover is attached to the outer wall of the tunneling barrel, a protection cover is arranged on the outer wall of the fixing cover, a traction piece is arranged on the protection cover, a first driving piece is arranged in the protection cover, a rotating disc is arranged at the driving end of the first driving piece, and the wall scraping device further comprises a partition plate, a lifting mechanism, a connecting assembly and a wall scraping mechanism. The device is small in overall size and convenient to carry, tunneling operation can be repeatedly carried out, the drilling depth of a tunneling channel is effectively increased, when the device is repeatedly tripped into the tunneling channel, the wall scraping mechanism can conduct wall scraping operation again, the purpose of secondary reinforcement is achieved, and the using effect is better.

The invention provides a forced lubrication bearing with distributed holes. A header pipe is arranged in a bearing body, pressurization holes leading to the inner surface of the bearing body are axially and circumferentially formed in the bearing body, all the pressurization holes are gathered in the header pipe in the bearing body, the header pipe is connected with a pressure servo mechanism through a pipeline, if the bearing body is circumferentially spread, the pressurization holes form an M*N grid, the distances between the pressurization holes are not uniformly distributed in axial and circumferential directions, and the distances between the pressurization holes close to the maximum pressure point are decreased gradually. The pressure servo mechanism is started when detecting that ashaft system is under a low-speed operation condition, a pressurization medium is forcedly injected below the operating shaft system through the pressurization holes, so that the pressurization mediumsprayed out of the pressurization holes lifts a position with larger shaft system load, the shaft system is ensured to always form a liquid film with the bearing under the rotation condition, the poor lubrication state of the bearing is improved, and the frictional wear of the bearing is relieved.

The invention discloses a display device for economics, and the display device comprises a supporting mechanism; a lifting mechanism is arranged at the top of the supporting mechanism, a shell is arranged at the top of the lifting mechanism, a motor is installed at the bottom of the right side of an inner cavity of the shell, an output shaft of the motor is in transmission connection with a lead screw, and the left end of the lead screw is rotationally connected with the shell; and the surface of the lead screw is in threaded connection with a screw sleeve. According to the invention, the motor is started, and an output shaft of the motor finally drives a main display board to move upwards, so display can be conducted on the surface of the main display board; a rotating rod is rotated outwards by 90 degrees, the top of a U-shaped frame makes contact with the surface of the main display board, and then an auxiliary display board can be unlocked; the handle is pulled upwards, so the auxiliary display board can be unfolded. The display device for economics has the advantages of being adjustable and convenient to store, the display area of the display device is increased through the arrangement of the auxiliary display plate, and the flexibility of the display device is improved.

The invention discloses a plate-type quick switch electromagnetic valve with a spherical structured armature. The plate-type quick switch electromagnetic valve comprises a valve body, a valve seat and the armature. The valve seat and the armature are disposed in an inner cavity of the valve body. A steel ball is mounted within the armature provided with a circular groove. The armature and the steel ball are integrally connected by riveting. The valve body is connected with an iron stop which is in a step form, through a pole shoe. The small diameter proportion of the stop iron is connected with the armature through a sleeving spring fastened into the circular groove. The inside of the iron stop is provided with a stepped cylindrical hole. A pore in the right end of the iron stop is provided with a conical structure, forming a sealing structure with the steel ball. The iron stop is wound with a coil; a yoke encloses the coil and is connected with the iron stop by riveting and positioning. The plate-type quick switch electromagnetic valve with the structural design is high corresponding speed, small in structural size, convenient to mount, high in reliability and applicable to various hydraulic systems requiring switching of oil circuits.

The invention relates to a crane for lifting cold winding adhesive tapes, which relates to a crane. Both ends of a cross beam (4) are connected with two bases (7) respectively by upright posts (5), a hoisting hook (3) is hooked in a lifting ring (13), one end of a rope (11) is wound on a crank capstan (12), and the other end of the rope (11) extends upwards along the upright posts (5) so as to erect on a pulley (10), then passes through a fixed pulley (9) with a base and then passes through the hoisting hook (3) so as to be fixed to a shackle (2). According to the crane, a pulley block, the hoisting hook and a balance hook are arranged on a portal, the crank capstan is arranged in the middle of the upright posts, the balance hook is hooked by utilizing the hoisting hook, and the rope is connected with the hoisting hook and the crank capstan, so that the purposes that a lifting effect is achieved by utilizing the crank capstan, a moving effect is achieved by utilizing a roller and the polyethylene cold winding adhesive tapes are easily moved are realized.

The invention discloses a concentration dewatering filter pressing device for solidifying sludge. The device comprises a main box body and an external traction piece arranged at the upper end of the main box body, the main box body comprises a feeding mechanism arranged on one side of the main box body, an external connection mechanism arranged on the other side of the main box body, and a pressure guide mechanism arranged in the main box body, and one end of the pressure guiding mechanism is connected with the external traction piece. Clean water is added into an air bag, the air bag becomes larger slowly, an electromagnetic adsorption plate gets close to a brake magnetic block slowly, meanwhile, current is connected into the electromagnetic adsorption plate, the electromagnetic adsorption plate has magnetism opposite to that of the brake magnetic block, and therefore suction force is generated, the brake magnetic block is attracted, the brake magnetic block moves along a penetrating rod, a main pipe is loosened, a pressing cylinder falls into a placing cylinder, sludge filter pressing is completed, and the filter pressing effect is good.

The invention discloses a fixture for bearing processing. The fixture comprises a base, wherein a clamping mechanism is arranged at the top of the base, the clamping mechanism comprises a fixed seat and a clamping part, the clamping part comprises two clamping seats which are arranged symmetrically, clamping rings matched with each other are arranged at sides, close to each other, of the clampingseats, openings of the clamping rings are oblique, and stop blocks matched with each other are arranged at the sides, close to each other, of the clamping seats and at symmetrical positions below theclamping rings. According to the fixture, through the oblique arrangement of the openings of the clamping rings, a bearing can be lifted, and the situation that the bearing rolls off when the clampingmechanism releases the bearing can be avoided; and meanwhile, it is convenient to place the bearing to continue to clamp the bearing, and problems existing in the prior art can be effectively solved.