24results about How to "Unpin" patented technology

The utility model provides a nested type grinding roller structure which comprises an assembling layer, a connecting layer and a grinding layer which are sequentially arranged in an annular nested mode from inside to outside, and concave-convex structures in the horizontal direction and the vertical direction are arranged on the outer surfaces of the assembling layer and the connecting layer respectively. The minimum inner diameter of the inner surface of the grinding layer is larger than the maximum inner diameter of the outer surface of the assembly layer. Cheap carbon steel is used in the inner layer, high-chromium alloy with high cost is used in the outer layer, and the problems of high cost, waste of raw materials and the like in the abrasion replacement process due to the fact that the whole body is cast by using the high-chromium alloy are solved; after the fixing of the assembly layer and the grinding layer is removed, the assembly layer can be taken out from the axial direction and replaced with a new grinding layer, so that a new assembly layer does not need to be cast again, the processing time of a new product is saved, the replacement efficiency is improved, and meanwhile, the cost is reduced to a certain extent by repeatedly using the assembly layer.

The application discloses a butt joint device for pipeline welding and belongs to the technical field of pipeline welding, which comprises a holding mechanism and a butt joint mechanism. The holding mechanism comprises two holding arc plates which are hingedly connected, and arc-shaped insertion grooves are formed in the holding arc plates. The butt joint mechanism comprises two butt joint outer plates which are hingedly connected, and a butt joint inner plate which is movably inserted into the butt joint outer plates and is slidably matched with the arc-shaped insertion grooves. Welding ports are formed in the butt joint outer plates in a penetrating manner. In the scheme, the holding mechanism and the butt joint mechanism are connected, so that the pipelines on both sides can be centrally positioned, the operation of assisting in the central positioning of the pipelines by additional workers is avoided, the central positioning error can be greatly reduced, the conditions such as incomplete welding and large butt joint ports in the pipeline welding are prevented, and the welding quality is improved. One person can operate the butt joint device, the labor cost and a large amount of time are saved, the construction efficiency is remarkably improved, the construction period is reduced, and the butt joint device has great popularization and application values.

The utility model discloses a kind of automatic adding devices of passivation solution, it includes bottom plate, the upper surface of the bottom plate is fixedly connected with multiple support rods, the upper surface of the support rod is fixedly connected with bearing block, the inner surface of the bearing block is fixedly connected with liquid storage tank, the outer surface of the liquid storage tank is fixedly connected with multiple limit blocks, the upper surface of the limit block is fixedly connected with threaded rod, the outer surface of the threaded rod is movably connected with butt block, the side surface of the butt block is fixedly connected with connecting ring, the lower surface of the connecting ring is fixedly connected with filter screen, the outer surface of the threaded rod is movably connected with connecting block. Through the setting of filter screen, the passivation solution into metering pump can be filtered, so that impurities can be prevented from entering the metering pump with passivation solution, the components in the metering pump can be prevented from being damaged by impurities, and the service life of the metering pump can be prevented from being reduced by impurities.

The utility model relates to the technical field of wood molding processing, and discloses wood molding processing equipment convenient to adjust and use, which comprises an equipment base, a protective shell is mounted on the outer wall of the equipment base, and a cutting mechanism for cutting raw materials is fixed on the right side of the equipment base. A limiting mechanism used for limiting is arranged on one side of the cutting mechanism, and a guiding mechanism used for guiding raw materials is arranged on the side wall of the equipment base. And the cutting mechanism comprises a mounting rod, the mounting rod is fixed to the right side of the equipment base, and the outer surface of the mounting rod is sleeved with two adjusting pieces. According to the wood line cutting device, the adjusting piece can be moved in the horizontal direction through the limiting block arranged on the adjusting piece under the cooperation of the limiting groove, then the distance between the two cutting knives is adjusted, wood lines of different widths can be machined conveniently, and the cutting knives can be detached and replaced conveniently by screwing off the fixing bolts on the fixing base.

The utility model discloses a kind of hook height sensors for crawler crane, specifically relates to hook height detection technical field, including mounting bracket and disc, and disc is located at the rear side of mounting bracket, the front side of disc is fixedly installed with multiple bosses, the both sides of mounting bracket are fixedly connected with side plate, the rear side of two side plates is fixedly installed with photoelectric switch, two photoelectric switches are all provided with protection assembly, two protection assemblies all include first protection cylinder, second protection cylinder, L type board, side plate, sliding cylinder, screw rod, limit plate, stripe handle, plug block, locking bolt and gasket.The utility model is rotated by disc with multiple bosses, boss enters detection area when triggering photoelectric switch to produce pulse signal, combine disc boss number conversion reel rotation number, then according to reel diameter calculation steel wire rope length variation, finally combine hook pulley block ratio to obtain hook height, easy to operate, it is convenient to calculate the height of hook.

The utility model relates to the technical field of mineral processing, and discloses a quartz sand sorting machine which comprises a box body, one side of the box body is rotationally connected with a box door through a hinge, a feeding port is formed in the top of the box body, a discharging port is formed in the other side of the box body, a discharging plate is installed in the discharging port, and a discharging opening is formed in the discharging plate. One end of the discharging plate is fixed to the interior of the box body. According to the quartz sand sorting machine, a push plate is pushed to drive a push rod to extrude the two ends of an elastic clamping block, meanwhile, a pull rod is pulled to drive a lower protruding block to move, the inclined face of the lower protruding block can drive an upper protruding block to move, the upper protruding block drives the elastic clamping block to leave the interior of a T-shaped groove, and therefore fixing between a fixing frame and a second screening plate is relieved; through the arrangement, the sieve plates with different pore diameters can be replaced, the sorting particle size range can be rapidly adjusted, the production requirements of quartz sand with different specifications can be met, the screening precision and efficiency are improved, and the equipment applicability is improved.

The utility model belongs to the field of mother liquor shake-up for laboratories, and particularly relates to a mother liquor shake-up device for laboratories, which comprises a heightening seat, the top of the heightening seat is fixedly connected with a partition frame, the outer wall of the partition frame is fixedly connected with a partition plate, the partition plate is provided with a shake-up component, and the shake-up component comprises a motor. A motor is fixedly connected to the outer wall of the separation frame, a rotating seat is fixedly connected to the output end of the motor, a movable sleeve is slidably connected to the outer wall of the rotating seat, and a hinge rod is hinged to the outer wall of the movable sleeve. According to the mother liquor shaking device for the laboratory, the motor drives the rotating seat and the movable sleeve to rotate, and the swing rod swings back and forth by virtue of the hinge rod, so that the placement frame and the mixing bottle in the placement frame are driven to synchronously swing, effective mixing of mother liquor is realized, shaking work can be stably and efficiently completed, and compared with manual shaking, the working efficiency is greatly improved; the mother liquor can be uniformly mixed.

The ventilation device comprises an outer shell and a rotating part, a supporting frame is fixedly installed in the outer shell, the outer shell is further provided with connecting frames arranged at the two ends of the outer shell, a filter screen is vertically arranged in the connecting frames in a sliding mode, a handle is arranged at the top of the filter screen, the rotating part is arranged in the outer shell, and the rotating part is arranged in the outer shell. The rotating part is provided with a rotating shaft rotationally arranged in the supporting frame, one end of the rotating shaft is connected with a driving unit in the shell, the other end of the rotating shaft is detachably connected with the fan blades, a sliding block is transversely arranged in the rotating shaft in a sliding mode, and the sliding block slides to abut against the fan blades so as to fix the positions of the fan blades. Through the arrangement of the rotating part, the fan blades can be quickly disassembled and assembled through transverse sliding of the sliding block, meanwhile, stable connection of the fan blades and the rotating shaft is guaranteed, and the ventilation efficiency is improved.

The utility model relates to the technical field of gas alarms, in particular to a gas alarm with a cut-off device, which comprises an alarm body and an electromagnetic valve, the alarm body is electrically connected with the electromagnetic valve, a gas inlet is arranged on the surface of the alarm body, and a dustproof mechanism is arranged at the gas inlet. According to the utility model, through the dustproof net plate of the dustproof mechanism, particle dust and fluff in the air are effectively filtered to enter the alarm body through the air inlet, and the dust is prevented from being accumulated on the surface of the gas sensor in the alarm body, so that the high sensitivity and the detection accuracy of the sensor are kept for a long time; and meanwhile, by pressing a first pressing plate and a second pressing plate, a first clamping plate and a second clamping plate slide in a clamping block and extrude a spring, so that fixation of the dustproof net plate is relieved, and the dustproof net plate is convenient to disassemble and clean in the later period. And the disassembly and assembly convenience and the working efficiency of the dustproof net plate are improved.

This utility model discloses a material removal device for a mixer, belonging to the field of mixer technology. It includes a mixing cylinder with a support mechanism on its side and a mixing cylinder cover at the top of the support mechanism. In this utility model, when materials are placed into the inner cavity of the mixing cylinder for mixing, a drive motor rotates the support rod, square column, sleeve, stirring plate, and U-shaped scraper. The stirring plate agitates and mixes the materials, while the U-shaped scraper scrapes the inner walls of the mixing cylinder and the mixing cylinder cover, thereby removing the sticky materials adhering to them. Furthermore, a powerful air pump, air duct, and air pipe work together to blow strong air from the air duct into the inner cavity of the mixing cylinder and the mixing cylinder cover, using the air force to remove the material adhering to the stirring plate and the U-shaped scraper, ensuring the quality of material mixing and demonstrating good practicality.

The utility model relates to the technical field of milling cutter and disclose aluminium alloy high -efficient heavy -duty rough machining milling cutter, including milling cutter handle, the left side of milling cutter handle is equipped with the protection mechanism for the milling cutter adjustment protection, one side of protection mechanism is equipped with the quick release mechanism for the milling cutter dismounting, the inside of milling cutter handle is equipped with the cooling mechanism for the milling cutter cooling, protection mechanism includes connecting piece, connecting piece telescopic connection in the left side of milling cutter handle, the left side fixed milling cutter body of connecting piece, the lateral wall fixed of connecting piece has the connecting block of milling cutter handle sliding connection, the outer fixed surface of connecting block has two limit pieces. The utility model discloses through pushing milling cutter body, make the connecting block on connecting piece move to the inside of milling cutter handle, return to the inside of milling cutter handle with milling cutter body, and then store the milling cutter body, can protect the milling cutter body.

The application discloses a kind of natural gas tank head inflation welding device, it is related to the technical field of transport tank production equipment, it includes first section rod;First umbrella rod, for multiple, rotationally connected in first section rod;Second umbrella rod, for multiple, rotationally connected in first section rod;Umbrella cloth is connected between first umbrella rod and second umbrella rod, gas cannot pass through;Baffle is fixed on first section rod;First umbrella rod and second umbrella rod inside are provided with elastic block to make itself fixed in the position of opening state;Second section rod, rotationally connected in first section rod end;Third section rod, rotationally connected in second section rod end;First section rod is provided with the unlocking assembly of making first umbrella rod and second umbrella rod fold, first section rod is provided with the fixing plate of the position of first section rod, second section rod and third section rod is fixed, and is unlocked by unlocking assembly in third section rod;Ventilation pipe is used to the ventilation of umbrella cloth.The application has the effect of improving the last head welding efficiency and quality of tank.

The utility model discloses a liquid phase solution storage structure. The liquid phase solution storage structure comprises a fixed seat arranged on a mass spectrometer main body and a clamping seat connected with the fixed seat, the cross section of the fixing base is in a U shape, and the clamping base is detachably connected into the fixing base through the quick release assembly. And the clamping seat is used for fixing the liquid storage bottle. When the liquid storage bottle is fixed, the liquid storage bottle can be fixed only by simple operation of placing the liquid storage bottle into the clamping seat and placing the clamping seat into the fixing seat, the liquid storage bottle can be separated only by pressing the liquid storage bottle downwards and then lifting the liquid storage bottle when the liquid storage bottle needs to be taken down, and the clamping and detaching processes of the liquid storage bottle can be quickly completed through simple actions.

The utility model relates to the field of loader, disclose a kind of multifunctional counterweight device of loader, including mounting plate, the upper portion of mounting plate is fixedly connected with support piece, the outer side of support piece is slidably connected with moving block, the upper portion of moving block is provided with counterweight box, the right side of counterweight box is inserted with cover, the inner wall of counterweight box is fixedly connected with slide rod, the outer side of slide rod is provided with counterweight block, the inner wall of moving block is provided with adjusting mechanism, the adjusting mechanism includes adjusting assembly and limiting assembly, adjusting assembly includes limiting slot. In the utility model, by pulling the insert part, the limiting of threaded rod is released, at this time rotating threaded rod, make connecting piece drive limiting block from the inner wall of limiting slot slide out, quickly release the fixation of moving block, to drive counterweight box to carry out position adjustment according to the counterweight demand of loader, without the addition or reduction of counterweight block, improve the working efficiency of loader.

This invention discloses a wear-resistant C-type two-piece ball valve, belonging to the field of ball valve technology. It includes: a first valve body and a second valve body, fixedly connected by a flange; an annular seat, fixedly connected inside the second valve body, with an annular plate slidably installed inside the annular seat, and an annular scraper fixedly installed inside the annular plate; and a C-type valve core, disposed inside the first and second valve bodies, with an annular mounting groove on the outer side of the C-type valve core, a flexible sealing ring disposed within the annular mounting groove, and an annular sealing groove adapted to the flexible sealing ring on the inner wall of the annular seat. This invention improves sealing performance when closed by the cooperation of the annular plate pusher, support rod, and flexible sealing ring, and allows the flexible sealing ring to retract when opening, thereby reducing friction. Furthermore, the annular scraper and arc-shaped scraper can scrape away dirt from the valve core surface to prevent accumulation and increased resistance, thus improving wear resistance.

The utility model relates to the technical field of law enforcement recording equipment, and discloses a law enforcement recorder capable of being clamped and worn, which comprises a clamping plate, the bottom of the clamping plate is provided with two sliding chutes, the inner walls of the sliding chutes are connected with connecting sliding blocks in a sliding manner, and the inner wall of the connecting sliding block on the right side is connected with the inner wall of the sliding chute on the right side through an adjusting assembly. And the bottoms of the two connecting sliding blocks are fixedly connected with limiting clamping blocks, the front sides of the limiting clamping blocks are fixedly connected with a protective shell, a recorder is inserted into the inner wall of the protective shell, the left side and the right side of the recorder are each provided with a limiting groove, and the inner walls of the limiting grooves are each rotationally connected with a connecting rod. According to the recorder, the recorder is clamped on clothes through the limiting clamping blocks and the clamping plates, the connecting sliding blocks slide by rotating the adjusting knobs, and the connecting sliding blocks slide to drive the limiting clamping blocks to be in sliding fit with the clamping plates to clamp the clothes, so that the recorder is fixed more stably.

The utility model discloses a collagen raw material pretreatment multistage cleaning screening integrated machine, including the box, the top of box is provided with the feed inlet, the box is divided into preflushing area, high pressure sprinkling area and screening area in proper order along raw material processing flow, be provided with first conveyer in preflushing area, the top of first conveyer is arranged with preflushing pipe, be provided with second conveyer in high pressure sprinkling area, the top of second conveyer is installed with high pressure sprinkling pipe, be provided with vibration box in screening area, install multilayer vibrating screen in vibration box. Advantageous effects: the utility model discloses by with the screening procedure integration in the same equipment in cleaning procedure, raw material enters after feed inlet, can complete preflushing, high pressure sprinkling cleaning and multistage screening operation in proper order, need not manual transfer, greatly reduces manual operation, reduces labor intensity, shortens processing cycle simultaneously, improves production efficiency.

The utility model relates to the technical field of plastic tray frame, and disclose a kind of plastic tray frame with adjusting structure, including fixed base, the fixed base bottom inboard sliding connection has water leakage frame, the fixed base top is fixedly connected with water leakage board, the water leakage board top is provided with guiding positioner, the guiding positioner inside is provided with fixed mechanism, the guiding positioner includes guiding component and positioner component, the positioner component is arranged in the inside of guiding component, the guiding component includes connecting plate one, by the guiding positioner of being set, manually pull forward adjusting plate, to rapidly remove the fixing between baffle and card column one card column two, manually pull baffle afterwards, make its baffle move along guide pillar guide, and then according to the interval capacity required by different kinds of plastic tray adjust appropriate baffle spacing, to facilitate the classification work of different kinds of plastic tray, make its adjust appropriate spacing.

The utility model discloses a kind of concrete pouring separators, it is related to building construction technology field, including main body frame, the main body frame includes upper crossbeam, lower crossbeam and stand, two the opposite side fixed connection of the stand upper crossbeam and lower crossbeam both ends, the upper crossbeam is located above lower crossbeam, adjusting assembly, the adjusting assembly includes movable plate, the side fixed connection of movable plate has connecting piece, the top of connecting piece is rotatably connected with adjusting screw through bearing, one end of adjusting screw is rotatably connected through upper crossbeam, the section of adjusting screw that passes out upper crossbeam is screw-threadedly connected with nut.The concrete pouring separator, by adjusting screw, nut and movable plate in adjusting assembly make that movable plate can be adjusted height by nut rotation to adapt to the concrete pouring of different thickness, to improve use flexibility, by sealing strip to the edge of stand is sealed, avoid the condition of gap leakage, to improve sealing property.

The utility model relates to the technical field of super -thin heat pipe provides a super -thin heat pipe powder surface positioning device, including operation platform, still include: support plate, fixed mounting in operation platform's top, lift spare, the inside of support plate is movably embedded, including strip board, the inside of support plate is movably embedded, wherein, through the strip board downward movement to realize the fixed heat pipe. The utility model discloses, in the process of long rod rotation, because the moving block is connected through the thread with long rod, and the moving block is guided and restrained along the horizontal direction under the slide and track groove linear motion, this movement drives the marker device gradually close to super -thin heat pipe, realizes the mark of powder surface, after marking, start motor again, make long rod reverse, spring begins to reset, lift clamping block to the fixed super -thin heat pipe is removed to the fixed super -thin heat pipe, simultaneously, the moving block moves along the reverse trajectory, completes the whole marking process.

This utility model discloses a home appliance control panel, including a mounting frame. The control panel body is installed inside the frame. A mounting rod is fixedly mounted on the upper end of the frame, and a protective cover is rotatably connected to the rod. The frame is equipped with a fixing component, and the protective cover has a cleaning component. The size of the protective cover is the same as the size of the mounting frame, and the cover is arranged in an "L" shape. This control panel effectively prevents dust, moisture, and other contaminants from entering the control panel body or adhering to its surface, thus reducing malfunctions caused by contaminants or physical damage. Simultaneously, the sliding cleaning sponge facilitates wiping, keeping the control panel body shiny and new, and preventing the accumulation of fingerprints or stains, thereby improving display clarity.

The utility model relates to the technical field of enameled wire production equipment, and discloses an enameled wire production take-up device with a take-up wheel convenient to disassemble, which comprises a bottom plate, two sides of the top of the bottom plate are fixedly connected with fixed plates, the inside of the fixed plate on the right side is rotatably connected with a rotating pipe, and the outside of the rotating pipe is fixedly connected with a driven belt wheel. The driven belt wheel is connected with a driving belt wheel through a belt, the interior of the driving belt wheel is fixedly connected with the output end of a motor, the interior of the rotating pipe is slidably connected with a limiting assembly, the limiting assembly is used for limiting movement of a take-up roller, the limiting assembly comprises a sliding rod, and the exterior of the sliding rod is slidably connected into the rotating pipe. Limiting blocks are fixedly connected to the two sides of the outer portion of the sliding rod. According to the device, the sliding rod is driven to move through the electric telescopic rod, the take-up roller can be easily disassembled, and the operation efficiency is improved; meanwhile, the take-up roller is driven to rotate through a motor and belt transmission, and the enameled wire take-up operation is achieved.

The utility model discloses a kind of processing devices of nondestructive testing film elution wastewater, including support frame, collection tank and controller, the inside fixed mounting of one end of the support frame is equipped with controller, the upper surface fixed mounting of the other end of the support frame is equipped with collection tank, the upper surface fixed mounting of one end of the support frame is equipped with reactor, the both ends surface fixed mounting of the reactor is equipped with end cap, the upper surface fixed mounting of one end of the reactor is equipped with water outlet.The processing device of nondestructive testing film elution wastewater of the utility model can position the bolt of the bolt nut assembly of fixed end cap, so that the nut on bolt nut assembly is conveniently disassembled, and after end cap is disassembled, hand wheel can be used to drive rotating rod to rotate, so that two end caps are simultaneously moved and the bolt of bolt nut assembly after disassembly is moved and not separated from end cap, so that the bolt of bolt nut assembly is directly inserted into the installation position of reactor next time.

The utility model relates to the technical field of scraper machines, and discloses a scraper machine blockage alarm mechanism which comprises a scraper machine shell, installation shafts are arranged at the left end and the right end of the front side of the scraper machine shell, one end of each installation shaft extends to the rear side of the scraper machine shell, and chain wheels located in the scraper machine shell are arranged on the outer sides of the two installation shafts. According to the material blocking alarm mechanism of the scraper, a pull ring is pulled backwards to drive a traction rod, a sliding block and a limiting block to move backwards, so that the limiting block is moved out of a limiting groove, position limitation on a positioning block is relieved, then a rotary knob can be screwed to drive a threaded rod to rotate, and the positioning block is driven to move downwards; when the mirror reflection type photoelectric sensor is dismounted, the arc-shaped pull rod is pulled backwards to pull out the mounting block from the interior of the rectangular frame, so that the mirror reflection type photoelectric sensor can be conveniently overhauled, maintained or replaced.