46results about How to "Replacement at convenience" patented technology

The invention discloses a non-woven cloth suspension filler which is prepared by the following constituents in parts by weight with the conventional method: 40-50 parts of polyethylene, 25-35 parts of polypropylene, 6-10 parts of carbon black, 3-7 parts of ferric oxalate, 4-6 parts of magnesium oxalate and 1-2 parts of antioxidant. The specific gravity of the non-woven cloth suspension filler is closed to that of water. No fixing support is required. The filler can suspend in the water in a pool with aeration stirring and is uniformly fluidized in the whole pool. The energy consumption is low, and the non-woven cloth suspension filler has a good prospect.

The invention provides a filter valve, which belongs to the technical field of machinery, and solves the problems of unsatisfactory filtering effect and low practical valve of a conventional filter valve. The filter valve comprises a valve body with a water inlet and a water outlet formed in two ends, wherein the valve body is provided with one filtering pipe for allowing the valve body water inlet and the valve body water outlet to be communicated; an outer end of the filtering pipe is connected with a sewage draining piece; a rough filter screen and a fine filter screen are fixed in the filtering pipe; the rough filter screen is sleeved with the fine filter screen; the rough filter screen and the fine filter screen are all regular grid shape, and mesh of the rough filter screen is greater than that of the thin filter screen. The filter valve has the advantages of simple structure, good filtering effect, high practical value, and the like.

The invention relates to the technical field of gantry machine tools and discloses a crossbeam clamping mechanism used for a heavy-duty crossbeam-elevating gantry machine tool. The crossbeam clampingmechanism comprises a clamping guide rail part fixedly arranged on a machine tool column, a clamping guide rail groove parallel to a column guide rail and a clamping part fixedly connected with a machine tool crossbeam. The clamping part comprises a driving structure, a driving rod, a wedge-shaped pressing block and wedge-shaped pressing boards. Two sides of the wedge-shaped pressing block are equipped with pressing block slopes. The wedge-shaped pressing boards have pressing board slopes. The pressing block slopes and the pressing board slopes gradually tilt from the back to the front towardsthe axial direction of the driving rod. When the driving rod moves forwards, the wedge-shaped pressing block at the front end is pushed to move forward. The pressing block slopes correspond to and push against the pressing board slopes. The wedge-shaped pressing boards on two sides expand towards the left-right direction and push and clamp tightly against two side surfaces of the guide rail groove. Therefore, the clamping mechanism does not directly contact a crossbeam guide rail and the column guide rail. Damage and deformation to the crossbeam guide rail and the column guide rail due to long-term frequent clamping operation are avoided. Therefore, clamping positioning precision of subsequent crossbeams on the column is ensured.

The invention discloses a circulation decolorization device for the production and processing of epoxy plasticizers, which comprises a tank body, an annular dropping pipe, an alkali solution injection funnel, a hydrogen peroxide injection funnel, a first circulation cylinder body, a second circulation cylinder body, a second circulation cylinder body, The first helical blade, the second helical blade, the outer fixed frame, the inner fixed frame and the driving device; the stainless steel metal mesh and the activated carbon particles inside filter the plasticizer to keep the plasticizer pure and reduce the impact of impurities on the decolorization process , to improve the decolorization quality of the plasticizer, and by loosening the fastening bolts, the slide plate can be pulled out manually, so as to facilitate the cleaning or replacement of the stainless steel metal mesh, the operation is convenient, and the filtering effect of the stainless steel metal mesh and activated carbon particles is guaranteed. The mixed solution flows and mixes repeatedly in the first circulation fixed cylinder and the second circulation fixed cylinder, so it is convenient to control the mixing time according to the needs to achieve the decolorization standard.

The invention discloses a garbage combustion fly ash filtering device based on local membrane separation. The invention belongs to the technical field of garbage combustion. According to the garbage combustion fly ash filtering device, ammonium chloride powder in an air bag is heated and decomposed into hydrogen chloride gas and ammonia gas through high-temperature flue gas and continuously expands; an arc-shaped movable sheet is pushed to move upwards to extrude a hot melt adhesive solution out of a slow-release ball bag; under the action of microvilli at the outer ends of rubber thorns, theouter ends of the rubber thorns are covered with the hot melt adhesive liquid; barbs on an animal tongue and mucus on the surface of the animal tongue can be simulated through the rubber thorns and the hot melt adhesive liquid; particulate matters in the flue gas are adsorbed; after the temperature returns to the normal temperature, hydrogen chloride gas and ammonia gas react to generate an ammonium chloride solid and enable the air bag to shrink quickly, and under the action of pressure difference, particulate matters between an exhaust pipeline and an upper filter membrane are absorbed intothe slow-release ball bag and adsorbed by the adsorption layer and the hot melt adhesive on the surface of the adsorption layer, so that the smoke filtering effect is improved.

The invention relates to spinning equipment, in particular to a novel high-speed spinning machine. The novel high-speed spinning machine comprises a frame, adhesive supply devices, filament molding devices, spinning devices and winding devices, wherein a shaping part of each winding device is positioned on another side which is on the outer side of a region between wall plates on both sides of the frame and is opposite to a spinning surface; the adhesive supply devices and the winding devices are positioned on the outer sides of the wall plates respectively; each spinning device comprises at least one group of spinning rollers; each group of spinning rollers comprises an upper spinning roller and a lower spinning roller for drawing; the two ends of the upper spinning rollers and the lower spinning rollers are fixed; independent drying drawing rollers are arranged between the upper spinning rollers and the lower spinning rollers. According to the novel high-speed spinning machine, the winding devices are arranged externally, so that corrosion on filaments, the winding equipment and a control system of the winding equipment is low in an acid environment; the independent drying drawing rollers are arranged between the upper spinning rollers and the lower spinning rollers, so that the drying temperature and the drying time can be controlled effectively during drying of the filaments.

The invention discloses a straight-through gas purification device, and relates to the technical field of gas purification. The problems that an existing gas purification apparatus is complicated in structure and is poor in purification effect are solved. The straight-through gas purification device comprises a purifier body, wherein two ends of the purifier body are provided with a gas inlet anda gas outlet respectively. The straight-through gas purification device is characterized in that the outer side of the upper end of the purifier body is provided with a water inlet passage; the innerside of the upper end of the purifier body is provided with spray pipes communicated with the water inlet passage; the interior of the purifier body is provided with baffle plates; the interior of thepurifier body is provided with filter layers; the lower end surface of the purifier body is provided with a water drainage channel used for collecting wastewater. The straight-through gas purification device has the advantages of being simple in structure, wide in scope of application, good in purification effect and free from noise.

The invention discloses a plant growth light. The plant growth light comprises a rotating shaft, a plurality of LED lights, a base and an inserting column, wherein the rotating shaft, the LED lights,the base and the inserting column are sequentially arranged from top to bottom. The LED lights are uniformly distributed on the outer side of a light barrel, the inner side of the light barrel is connected with the rotating shaft in a sleeving mode, two ends of the rotating shaft are separately connected with an upper cover and the base through the rotating shaft, and the base is fixed to the topend of the inserting column. The LED lights and the rotating shaft are connected with power supply. According to the plant growth light, the plant growth light can be directly inserted into the soil in a planting gap of a plant, erection and fixed installation of high-position electric wires are not required, and the maintenance or replacement is more convenient; white light, red light and blue light are adopted in the LED lights, and the illumination color of the light can be adjusted in proportion according to the growth of different plants and the requirement of synthesizing different nutrient elements. Through specific spectral analysis and experimental test data analysis of the different plants, and different spectral proportions of illumination are applied to the different plants, sothat nutrition of the plants is further maximized.

The invention relates to a roller brush which comprises a roller structure, a mounting bracket and a flow diversion pipe. The roller structure is used for mounting and supporting a brushing fabric; aplurality of slurry-permeating holes are formed in the roller structure; the mounting bracket at least comprises a handle, a first supporting part and a second supporting part; the flow diversion pipeis used for mounting the roller structure; the two ends of the flow diversion pipe are separately fixed through the first supporting part and the second supporting part; a first cavity is formed in the middle of the flow diversion pipe; an opening in one axial end communicates with the outside; coating is supplemented by means of the opening; after the coating is supplemented, the opening is plugged by a seal cover; a slurry outlet hole is formed in the side wall of the first cavity, and is used for communicating the first cavity with a second cavity between the flow diversion pipe and the roller structure; and the coating flowing in the second cavity from the first cavity flows out from the slurry-permeating hole. The roller brush is simple in structure and convenient to operate, and slurry is poured in the flow diversion pipe to realize self supply of the coating in brushing conveniently, so that the long-time coating brushing is ensured, the brushing efficiency is improved, and theoperation difficulty is reduced.

The invention relates to a spinning technology of a high-speed spinning machine provided with a single spindle passive winding device. The spinning technology comprises the steps of glue feeding, strand forming, spinning and winding. A spinning device in the spinning step comprises at least one set of spinning rollers, and each set of spinning rollers comprise an upper spinning roller and a lower spinning roller, wherein the upper spinning roller and the lower spinning roller are used for drafting. A forming part of the winding device is located on the outer side of the area between the two side wall plates of a rack and the other side opposite to a spinning surface, and the winding device is the single spindle passive winding device. Due to the fact that the winding device is arranged externally, corrosivity on strands, on the winding device and on a control system thereof is small under an acid environment, and maintenance and worker operation are convenient to carry out; due to the fact that an existing centrifugal cylinder needs to rotate at a high speed, energy consumption is high, the winding device only needs to meet the speed of the spinning rollers, no other energy consumption is needed, and therefore the total power is small.

The invention provides a sweeping robot and a middle sweeping device thereof. The middle sweeping device comprises an installation frame, a middle sweeping motor arranged on the installation frame, amiddle sweeping brush and an end cover assembly; the middle sweeping brush is connected with the middle sweeping motor and can be driven by the middle sweeping motor to rotate; the end cover assemblyis arranged at the end of the middle sweeping brush and connected with the installation frame, the end cover assembly comprises a first end cover connected with the middle sweeping brush and a secondend cover connected with the installation frame, and the first end cover wraps the end, close to the middle sweeping brush, of the second end cover and can rotate relative to the second end cover. According to the middle sweeping device provided by the invention, the first end cover wraps the end, close to the middle sweeping brush, of the second end cover and can rotate relative to the second endcover, in other words, no gap exists in the end, close to the middle sweeping brush, of the end cover assembly, hair can be well prevented from being wound into the end cover assembly in the rotatingprocess of the middle sweeping brush, and the user experience is improved.

The invention discloses an electronic archive authentication device based on two-dimensional code recognition. The electronic archive authentication device based on two-dimensional code recognition comprises an installation seat and placement cavities disposed on the installation seat, each placement cavity is internally and movably provided with a moving plate, the bottom of the moving plate is fixedly connected with an installation block, the bottom of the installation block is fixedly provided with a recognition camera body through a bolt, the bottom of the recognition camera body movably penetrates to a position below the installation seat, a cavity is formed above the placement cavities, and screw rods are rotationally mounted in the placement cavities which are located on the two sides of the recognition camera body. According to the electronic archive authentication device based on two-dimensional code recognition, after the recognition camera body in the electronic archive authentication device is damaged, the recognition camera body can be conveniently and rapidly moved out of the installation seat, so that people can conveniently overhaul or replace the recognition camerabody, the operation is easy, disassembling, assembling and replacing are convenient, and the use requirements of people are met.

The invention discloses an irrigation device with a filter assembly for agricultural automation machinery. The irrigation device comprises a filter shell, a filter structure, a filter plate, a first spring, a filter screen, a limiting groove, a sliding frame, a cleaning rod, a cleaning frame, a sliding block, a sliding groove, a fixing structure, a rack, a rotating table, a gear, a screw rod and arotating structure. The irrigation device has the beneficial effects that the rack is pulled, the rack can drive the connected gear to rotate the screw rod to release the clamping state with the limiting groove in the filter plate, the filter plate can be ejected out under the thrust of the first spring clamped and fixed between the filter plate and the sliding block, the filter plate is taken out, the sliding frame is held to slide in the sliding groove in the filter plate so as to drive the cleaning rod connected with the sliding frame, and the cleaning rod slides in the cleaning frame, sothat the cleaning frame rotates in the filter plate, the filter screen shakes to remove impurities attached to the filter screen, and the filter plate can be cleaned or replaced very conveniently through the device.

The invention discloses steel bar diameter measuring pliers for road and bridge engineering supervision, and relates to the technical field of bridge engineering. The steel bar diameter measuring pliers comprises a shell, a fixed vertical plate is fixedly connected to the middle of the bottom of the shell, a supporting rod is fixedly connected to the middle of the top of the fixed vertical plate,a graduated scale is fixedly connected to the top of the supporting rod, and an incomplete gear is rotatably connected to the middle of the fixed vertical plate; after the claws of the measuring pliers are used for a long time, the inner wall surface is rusted to be uneven; when the clamping pliers are used for measuring the diameter of a steel bar, a large error can be caused, and at the moment,the clamping jaws need to be polished or replaced, the bayonet locks are pulled upwards to drive the protruding rods to move upwards to force movable rods to slide along the outer edges of connectingblocks, and the movable rods force clamping rods to rotate along horizontal connecting rods, therefore the clamping jaws can be easily separated from the connecting blocks. And the inner wall of the disassembled clamping jaws can be conveniently polished or replaced with new clamping jaws.

The invention discloses an environment-friendly energy-saving easy-to-clean air purifier, which comprises a casing, wherein the casing is provided with an air inlet and an air outlet; a purification device and a cleaning device are arranged in the casing; the purification device comprises three vertical and parallel filtering layers arranged between an isolation plate and the bottom surface of thecasing; the cleaning device comprises a motor fixed on the top wall of the casing; the upper end of the first rotating shaft is in driving connection with the motor; the lower end of the first rotating shaft is fixedly connected with a first gear; the left side and the right side of the first gear are respectively engaged with two second gears; the two second gears are respectively and fixedly connected with the upper ends of two second rotating shafts passing through the isolation plate; the two second rotating shafts are respectively positioned in a separated space among three filtering layers; in addition, the lower end is inserted into a bearing arranged on the bottom surface of the casing; brush bristle is arranged on shaft bodies of the second rotating shaft. The air purifier provided by the invention can realize the cleaning during the air purification; the service life is long; the purification is thorough; the filtering screen cleaning or replacement is convenient; convenience and high speed are realized.

The invention discloses a device capable of reducing adhesion of volatile matters on a window of a reflecting screen of a sapphire single crystal furnace. The device is characterized by comprising a molybdenum tank body which is arranged in the window of the reflecting screen of the sapphire single crystal furnace to reduce volatile matters from adhering to the window and is detached to clean. The molybdenum tank body is provided with a high temperature resisting self-cleaning inadhesive coating layer. The device provided by the invention aims to overcome deficiencies in the prior art, and provides a device which is simple in structure and convenient to use, and is able to reduce adhesion of volatile matters on the window of the reflecting screen and reduce the cleaning degree of volatile matters, so that inconvenience for observation caused by the narrow window is avoided.

The invention provides a multifunctional illuminating lamp, which comprises a support rod; a mounting hole is formed in the lower end of the support rod; the multifunctional illuminating lamp also comprises a connecting rod and an illuminating lamp body fixedly connected with the connecting rod; the other end of the connecting rod is connected with a slider; the slider is glidingly connected with a slideway on the support rod; the slideway is fixedly arranged on the support rod; a plurality of blind holes matched with a hinge pin are formed in the support rod, and are used for fixing the slider in position. The multifunctional illuminating lamp is simple in structure, and can vertically move, and a bulb can be maintained or replaced very conveniently.

The invention provides a flue gas heating treatment device, and belongs to the technical field of flue gas treatment. The device solves the problem that after an existing flue gas heating treatment device is corroded and damaged, economic losses are large. The device comprises a flue gas air channel and a plurality of steam pipelines, a plurality of drawer type core bodies which are composed of first heat exchange pipes and can be drawn out are arranged in the flue gas air channel, a plurality of fixed core bodies composed of second heat exchange pipes are fixedly connected in the flue gas air channel, the drawer type core bodies are arranged at the air inlet ends of the flue gas air channel, the drawer type core bodies are communicated with the steam pipelines, the fixed core bodies are arranged at the middle segment and the air outlet end of the flue gas air channel, and the fixed core bodies are communicated with the steam pipelines. The flue gas heating treatment device has the advantages of being convenient to mount and maintain, improving flue gas heating efficiency and the like.

The invention discloses a height-adjustable gas pipeline support frame, which includes a base, a lock and a support column. The upper surface of the base is provided with a fixing hole, and the upper end of the base is provided with a tube core. A casing and a gas detector are arranged above, one side of the casing is provided with a contraction button and a release button, one side of the button is provided with a switch button, one side of the switch button is provided with a raise button and Lowering the button, one end of the support column is provided with a screw, and the other end of the support column is provided with a pipe clamp, and one side of the lock is provided with a fixed buckle. A height-adjustable gas pipeline support frame according to the present invention is provided with a tube core, a gas detector and a lock, which can adjust the height of the support frame, detect whether there is gas leakage, and increase the safety of pipe clamps and gas pipelines. Tightness, and can timely control the switch of the lock, convenient and practical, suitable for different working conditions, and bring better prospects for use.

The continuous sand screening equipment for building raw material processing comprises a box body, a cylindrical groove is horizontally formed in the box body, a rotating roller is coaxially and rotationally installed in the cylindrical groove, the peripheral wall of the rotating roller is in sealed sliding connection with the groove wall of the cylindrical groove, and a plurality of sand screening grooves are symmetrically formed in the peripheral wall of the rotating roller; a filter plate is horizontally arranged in each sand screening groove, a plurality of sand shaking mechanisms matched with the corresponding filter plates are arranged in the rotating roller, a material conveying hole is coaxially formed in the middle of the rotating roller in a penetrating mode, and a material conveying mechanism is arranged in the material conveying hole. According to the sand screening device, the rotating roller and the one-way bearing are arranged, the two sand screening grooves are formed in the rotating roller to be matched with the material conveying mechanism, sand is screened, meanwhile, the filter plate on the lower side can be conveniently overhauled, maintained or replaced through the access hole, operation is convenient, the sand screening device is suitable for continuous operation, and the sand screening efficiency is improved.

The invention relates to a pressing machine used in a sealed shielding glove box, and belongs to the technical field of nuclear fuel compression molding. The pressing machine comprises a pressing machine base, a hydraulic oil cylinder, a hydraulic rod, a pressing machine electrical system and a hydraulic pump, wherein the hydraulic oil cylinder is fixed on the upper end face of the pressing machine base, the pressing machine electrical system and the hydraulic pump are located below the pressing machine base, and a hydraulic oil pipe penetrates through the pressing machine base to connect the hydraulic oil cylinder with the pressing machine electrical system and the hydraulic pump; and a pressing machine mounting opening is prefabricated in a glove box bottom plate of the sealed shielding glove box, and the pressing machine base penetrates through the pressing machine mounting opening to be fixed to the lower portion of the glove box bottom plate, so that the hydraulic oil cylinder and the hydraulic rod are located in the sealed shielding glove box, and the pressing machine electrical system and the hydraulic pump are located outside the sealed shielding glove box. The problem that the pressing machine in the glove box is inconvenient to maintain can be solved, radioactive waste can be reduced, and the space in the glove box can be saved.

The invention discloses a special open roll core and low-impedance transformer for electrified railways, which comprises a case, a core and a winding sleeving the core arranged in the case; the core is a single-phase open roll core, moreover, insulating medium is filled in the case, and the impedance voltage percentage of the special open roll core and low-impedance transformer for electrified railways is 3 percent to 4 percent. The advantages of the special open roll core and low-impedance transformer for electrified railways are as follows: the economic index is moderate, the energy-saving effect is obvious, and the special open roll core and low-impedance transformer for electrified railways can be efficiently produced in batches. The invention also discloses a production method for the special open roll core and low-impedance transformer for electrified railways.

A stamping die capable of achieving easy material returning of a lower die comprises a female die, a male die, a blank holder and a material returning rod. The female die is provided with a first forming side face, and the male die is provided with a second forming side face; a vertical receding groove is formed in the second forming side face of the male die; the material returning rod horizontally penetrates through the blank holder; and in the state that the female die and the male die are matched to extrude a plate blank into a formed part, a vertical space for forming the side face of the plate blank is arranged between the first forming side face and the second forming side face, and one end of the material returning rod is located at the bottom of the formed part and horizontally penetrates through the vertical space into the vertical receding groove. By means of the stamping die, the blank holder is provided with the horizontally-penetrating material returning rod, so that the formed part arranged on the male die in a sleeving manner can be conveniently returned. According to the stamping die, the production efficiency is improved, safety and reliability are achieved, and the technical problems that in the prior art, the male die is tightly arranged on a formed part in a sleeving manner, if manual material returning is conducted after stamping is completed, it is very difficult, material returning of a lower die is inconvenient, and the production efficiency is affected are solved.

The invention relates to the technical field of drawing dies and discloses a drawing die. The drawing die comprises a die shell. An injection molding layer is fixedly connected to the inner wall of the die shell, a die sleeve is fixedly connected to the inner wall of the injection molding layer, a pull rod is fixedly connected to the outer wall of the die sleeve, one end of the pull rod is movablyconnected to a first rotating shaft, the outer wall of the first rotating shaft is movably connected to a movable ring, the outer wall of the die shell is fixedly connected to a connecting hook, andthe top of the die shell is fixedly connected to a liquid inlet pipeline. The drawing die achieves a purpose of a good using effect by matching the die shell, the injection molding layer, the die sleeve, the liquid inlet pipeline, a cooling liquid pipe, a liquid outlet pipeline, a liquid inlet pipe cover and a liquid outlet pipe cover in use and solves the problem that a common drawing die is relatively poor in using effect. The used drawing die can be cooled and a condition that the die is damaged as a result of too high temperature, so that the service life of the drawing die is prolonged and the using demands of people are further met.

The invention belongs to the technical field of floor tile laying and pasting equipment, and particularly relates to a floor tile laying and pasting device. The floor tile laying and pasting device comprises a first suction disc group, a second suction disc group and a hinging assembly, wherein the first suction disc group and the second suction disc group are hinged through the hinging assembly;when the hinging assembly is in an unfolded state, the facing directions of the adsorption surfaces of the first suction disc group and the second suction disc group are identical; and when the hinging assembly is in a closed state, the facing directions of the adsorption surfaces of the first suction disc group and the second suction disc group are opposite. In the use process, a worker can use the first suction disc group and the second suction disc group for respectively adsorbing a floor tile; then, the first suction disc group or the second suction disc group is turned for realizing the floor tile turning; the floor tile turning process by the worker is simpler and more convenient, so that the work intensity of the worker is reduced; the floor tile laying and pasting work efficiency is effectively improved; and the floor tile turning is realized by turning the first suction disc group or the second suction disc group, so that the occurrence of the condition that the hand of the worker is injured by the floor tile can be avoided.

The invention discloses a simple automatic stop circuit of a blood centrifuge. The simple automatic stop circuit comprises a first fuse, a second fuse, a first single-pole switch, a second single-pole switch, a contactor, four resistors, a potentiometer, five capacitors, an LED, a voltage stabilizing diode, a first diode, a second diode, a motor and a time-base chip. A linked switch is combined by the first single-pole switch and the second single-pole switch. The first resistor, the first capacitor, the second capacitor, the first diode and the voltage stabilizing diode form a stabilizing rectifying circuit. An automatic stop control circuit is formed by the time-base chip, a relay, the third resistor and the third capacitor. According to the arrangement, fewer electronic elements are adopted, connecting manner of the whole circuit is simple, maintenance or changing of the electronic elements is facilitated, product cost is low, and market competitiveness of the product is high.

The invention relates to a spinning process of a spinning machine with a through-shaft passive winding device, and the process comprises the steps of adhesive feeding, filament forming, spinning and winding. The forming parts of the winding device are arranged on the outer side of an area between wall panels on both sides of a frame and on the other side which is opposite to a spinning surface; the winding device is the through-shaft passive winding device; due to the external winding device, the corrosion to filaments, the winding equipment and a control system thereof is low in an acid environment, so that the repair and the operation of a worker are convenient; due to the fact an existing centrifugal cylinder rotates at high speed, the energy consumption is high, while the winding device only needs to reach the speed of spinning rolls, no other energy is consumed, so the power of the whole machine is low.

The invention discloses a multifunctional ceramic scalpel which comprises a main body structure, a first adjusting structure, a second adjusting structure and a fixing piece structure. The first adjusting structure is movably arranged at one end of the main body structure, the second adjusting structure is in movable butt joint with the other end of the first adjusting structure, and the fixing piece structure is fixedly arranged on the second adjusting structure. The invention relates to the technical field of scalpels. The shape of the scalpel can be adjusted through cooperation of the main body structure and the first adjusting structure, micro-degree anti-shaking can be achieved through the first adjusting structure, and the blade can be slightly adjusted to move left and right for use through the second adjusting structure. The whole design concept is ingenious, the cost and resources consumed by the blade are saved while the ceramic blade can be detached and replaced, meanwhile, the shape of the blade can be changed for use, a doctor can use the blade more smoothly, light-amplitude anti-shaking can be carried out, and damage to a patient in an operation is avoided.