45results about How to "Achieve continuous use" patented technology

A power supply device is provided that includes a battery pack 10, and forcedly discharging circuits 20. The battery pack 10 includes serially-connected rechargeable battery cells 2. The forcedly discharging circuits 20 are connected to the battery cells 2 in parallel so that, when a cell voltage of a battery cell is becomes higher than a predetermined voltage, this battery cell is forcedly discharged. The forcedly discharging circuits 20 are composed of analog circuits. When a cell voltage of a battery cell exceeds the predetermined voltage, the forcedly discharging circuits discharge this battery cell. Since forcedly discharging circuit 20 is not composed of controlling software but is physically composed of an analog circuit, the forcedly discharging circuit can stably operate without malfunction caused by noise. A power supply device can be provided that includes a protection circuit with improved reliability. Therefore, the power supply device of the invention can avoid noise influence and avoid accident that the voltage of the battery cell becomes abnormally high.

The invention relates to a fast cultivation device of paridis rhizoma seedlings in the technical field of plant cultivation. Firstly, the paridis rhizoma seedlings are subjected to fast germination treatment, and then enter an environment control room for level one light auxiliary sound seedling period cultivation treatment in a room temperature environment, and then the level two light auxiliaryfast cultivation treatment in a simulated outdoor environment is carried out in the environment control room before seedling damping-off in the first year. Based on a plant growth microenvironment control technology, by combining a sugarless culture micropropagation technology, under the premise that suitable environmental factors such as light, temperature, humidity, carbon dioxide, and nutritional elements are provided for the paridis rhizoma seedlings, the problems that the paridis rhizoma seedlings have a long germination period, fragile seedling growth, a low survival rate of transplanted plants, a long seedling period and the like are solved.

The invention discloses a multiple-filtering environmental protection device for automobile exhaust gas. The multiple-filtering environmental protection device comprises a shell, a connection pipe, a cover plate, a first filter element, a second filter element, a third filter element, a supporting net, a gas exhaust pipe, oil suction cotton, a pedestal, an alarm device, a guide sleeve, a pressure sensor, a triggering rod, a baffle, a spring and an oil receiver. The multiple-filtering environmental protection device for automobile exhaust gas is ingenious in structure and strong in function; by the use of the device, the automobile exhaust gas can be effectively filtered, and pollution to the environment due to the exhaust gas can be avoided; besides, collected waste oil particles can be cleared through simple operation according to a requirement, so that the device can be continuously used; and finally by the arrangement, the environmental protection is greatly enhanced, and the investment cost of a user is also reduced.

The invention discloses a method and system applicable to harmless treatment and sustainable utilization of oil and gas field drilling waste and solves the problem that existing drilling waste treatment has difficulty in meeting standards and has resource waste. The method comprises the following steps: (1), pretreating: (2), separating; (3), harmlessly treating; (4), condensing; (5), forming; (6), curing. Through treatment of the invention, organics and heavy metal pollution values in the drilling waste are greatly decreased to national standards, the blank of domestic existing harmless treatment techniques for drilling waste is filled, domestic existing resourceful utilization techniques for drilling waste are also promoted, environmental ecological pollution due to drilling waste is reduced, resource waste due to drilling waste is reduced, ecology destruction is restrained, and cycle concept of sustainable development is formed.

The invention discloses a method for long-season cultivation of tomato in a glass greenhouse, which comprises the following steps: (1) greenhouse preparation; (2) cultivation tank preparation; (3) seeding and seedling raising; (4) field planting: sufficient bottom water is supplied, single-row planting is adopted, and nutrient solution is supplied by a proportional fertilizer applicator; and (5) post-planting management: the greenhouse is heated by using an oil furnace, and tomato pests and diseases are well controlled. The tomato cultivation substrate is compounded through fermentation of organic waste, which greatly reduces the cost of the cultivation substrate. Heating is carried out by an oil furnace, and heat is supplied according to the lower limit of temperature, which can reduce the heating cost. Moreover, an internal thermal insulation layer is added, which greatly reduces heat dissipation and realizes the sustainable utilization of daytime solar energy.

The invention discloses a disinfecting device for a mask. The device comprises a disinfecting box,and the box comprises a box body and a foldable box lid covering the box body. A platform for placingthe mask is arranged in the box body,and a plurality of vent holes are formed in the platform. A sprayer is installed in the box lid,the sprayer is communicated with a liquid storage chamber for conveying disinfectant to the sprayer,a liquid pump is installed on a communication pipe between the sprayer and the liquid storage chamber,and the liquid pump is used for controlling the efficiency of infusion. When the box body and the box lid are closed,a nozzle of the sprayer faces the platform,and the closed state of the box body and the box lid is the working state of the entire device. The device has a simple structure,can achieve continuous use of the mask,and not only is environmentally friendly but also saves resources.

The invention discloses a rapid infiltration system for efficient treatment on initial rainwater. The system comprises a pretreatment system and an infiltration system. The pretreatment system comprises a grid pool and a buffer storage tank communicated with the grid pool by a pipe. The infiltration system comprises an infiltration tank. The infiltration is communicated with the buffer storage tank through a pipe. A plurality of filler layers are arranged in the infiltration tank. The system has a simple structure. Through the optimized configuration of the combined filler, the ability of thesystem to remove various pollutants in the initial rainwater is greatly improved, the comprehensive cost is low and the operation and management are convenient.

The invention discloses a drying system for continuous circulated operation. The drying system comprises a drying unit, a feeding unit, a discharge unit, an air inlet unit and a lifting unit, wherein the drying unit comprises a shell with a heat-preservation layer outside, a plurality of discs which are matched with the inner side wall of the shell to accommodate a material to be dried, and a first conveying unit for displacing the discs of the material to be dried in a preset direction in a stepping manner so as to dry the material at preset time intervals; the lifting unit is arranged on the other side outside the shell and is communicated with the interior of the shell through a second conveying unit and a third conveying unit which are connected with one side of each of the bottom and the top of the shell respectively, thus achieving circulated conveying of empty discs. Due to cooperation of the units, a plurality of drying areas are formed by virtue of different temperatures and pressures inside the shell, and furthermore continuous utilization of heat is achieved, so that the drying system for continuous circulated operation, which is disclosed by the invention, has the effects of good implementation effect, high production efficiency, high heat utilization and high safety.

The invention relates to a method for producing a spring made of fiber composite material, in which a laminate strand which is formed from fibers of fiber composite material and is impregnated with a matrix material that can be consolidated is reshaped into a spring geometry. The invention also relates to a device for carrying out the method. On the method side, it is proposed that, prior to reshaping the laminate strand (2), a strand-shaped preproduct (20) is formed by applying a deformable protective jacket (16), which encloses the laminate strand (2), in a continuous application process. On the device side, it is proposed that an application unit (15) for forming a protective jacket (16) around the laminate strand (2) is arranged downstream of the processing device (1) in the transport direction of the laminate strand (2).

The invention discloses a water-cooled roller device under an induction furnace, which includes a roller shaft, a reel, a pressure roller seat, a reinforced angle steel, a water cooling circulation device, a cooling cavity groove, a thread protrusion and a thread groove. It is installed in the reel and extends to both sides. The outer surface of the roller shaft is provided with threaded protrusions, and the reel is provided with threaded grooves. The threaded protrusions and threaded grooves are connected in a rotating and separate manner. The two sides of the roller shaft are provided with pressure roller bases, and the reinforcement angle steel is installed under the pressure roll bases and connected by welding. The water pipe is connected with the water outlet pipe, and the water inlet pipe and the water outlet pipe are connected with the water cooling circulation device to form a cycle. The invention has a simple and reasonable structural design, can effectively cool down the roller shaft, realizes water recycling, realizes continuous utilization of resources, and greatly prolongs the service life of the roller shaft.

The invention discloses a mechanical vapor compression seawater desalinating device utilizing wind energy and belongs to the technical field of utilization of new energy sources. A water inlet pipeline connected with a seawater water inlet pump is connected with a plurality of evaporators, which are connected with one another, through a seawater heat exchanger A and a seawater heat exchanger B; freshwater water outlets of the evaporators are connected with a freshwater water outlet pipeline; the freshwater water outlet pipeline is connected to a condensed water outlet end socket through a freshwater water outlet pump and the seawater heat exchanger A; the freshwater water outlet pipeline is connected with a water supplementing mixer; the freshwater water outlet pipeline is connected to the water supplementing mixer through a water supplementing pipeline; the water supplementing mixer is connected with a mechanical vapor compressor and an evaporator respectively; the mechanical vapor compressor is connected with a wind power generation device. According to the mechanical vapor compression seawater desalinating device disclosed by the invention, the problem of wind power abandoning of islands and coastal areas and the problem of insufficient freshwater are solved; unstable wind energy is effectively utilized and produced freshwater is used for daily life of citizens; the wind energy is directly utilized, and a frequency conversion type compressor is adopted; rectification and control equipment of an electric power system is reduced.

The invention discloses a large-scale artificial agkistrodon acutus snake breeding method and device, and relates to the technical field of agkistrodon acutus snake breeding. The technical problems that in the prior art, agkistrodon acutus snakes existing by imitating a natural breeding method grow slowly, and are low in survival rate and utilization rate are solved. The large-scale artificial agkistrodon acutus snake breeding method comprises the steps that the agkistrodon acutus snakes are independently placed in breeding cedar wood boxes, the breeding cedar wood boxes containing the agkistrodon acutus snakes overlap one another, by controlling the indoor temperature and humidity in a breeding room, neither hibernation nor estivation is needed for the agkistrodon acutus snakes, the snakes are in a continuous growing status, and the agkistrodon acutus snakes placed in the breeding cedar wood boxes are fed with feed in the preset time. According to the method, not only can the growth rate and the survival rate of the agkistrodon acutus snakes be increased, but also the agkistrodon acutus snakes can eat all year round, and then continuous utilization is achieved.

The invention relates to a vacuum lignite drying device and a using method thereof. The device comprises a raw coal bunker, and further comprises a vacuum lock hopper, a vacuum feeding tank, a vacuum drying machine and a condensation system, the vacuum lock hopper, the vacuum feeding tank, the vacuum drying machine and the condensation system are sequentially connected, and a vacuum pump is arranged above the condensation system; the problems that in the prior art, a drying method is high in energy consumption, large in discharging amount, high in dangerousness, complex in system and the like are solved; and zero precipitation of beneficial volatile matter in coal is achieved, the system safety is improved, and the continuous utilization of resources is achieved.

The invention discloses an electric liquid squeezing faucet. A liquid bottle is assembled on the electric liquid squeezing faucet, a reciprocating type liquid outlet end is arranged on the liquid bottle, and the electric liquid squeezing faucet comprises an assembly table, a shell, a motor, an induction module, a pressing frame and a reciprocating transmission assembly. By arranging the reciprocating type liquid outlet end, the induction module controls the motor to be started and stopped, and then the pressing frame is controlled; the reciprocating liquid outlet end of the liquid bottle is subjected to pressing liquid outlet operation through a mechanical structure, the liquid outlet efficiency is improved, the sanitary condition when the equipment is frequently used is guaranteed, and the equipment can be continuously used only by supplementing liquid soap or replacing the liquid bottle part; and by arranging a gap between the assembly table and the shell, on the basis of an electric structure, the manual pressing function is achieved, under the conditions that the equipment is powered off or the induction end is damaged, the invention guarantees that the equipment can still be used, and the use flexibility of the equipment is improved.

The invention belongs to the technical field of green buildings, and specifically discloses a prefabricated green building, which includes a rainwater collection system and a control system matched with the building body. The top of the building body is equipped with a solar energy utilization system and a roof greening system; There is a constant temperature mechanism that matches with the interior of the building body, and a green planting system is provided on the outer wall of the building body; the present invention realizes a stable building body structure by utilizing the advantages of prefabricated buildings and the mutual meshing relationship between the assembly parts. The rainwater collection system fully collects rainwater, and an adjustable and cleaning solar collection system is installed on the roof of the building body to collect and clean solar energy, so that the green building has good assembly stability, and has the advantages of energy saving and environmental protection, which can effectively reduce waste. emissions and resource consumption, and create a green ecological environment.

The invention provides an efficient water body treatment device which comprises a device body with an accommodating cavity. A flocculating agent powder mixing area, a first reaction tank, a second reaction tank, a water distribution channel, a sedimentation tank and an overflow weir which are communicated in sequence are arranged in the accommodating cavity. The flocculating agent powder mixing area is provided with a water inlet for being communicated with the outside. The overflow weir is provided with a water outlet for being communicated with the outside. The water body treatment device organically combines sewage treatment effectiveness, long-term effect, economy and ecological compatibility, and not only achieves sustainable use of resources and is long in service life and simple to maintain, but also avoids repeated pollution and repeated treatment and achieves long-term benefit by one-time investment. Besides, the efficient water body treatment device is not subject to influences of water area shape, depth and underwater foundation and the like, is small in project amount, and saves investment.

Provided is a human blood pressure state monitoring method based on NB-IoT. A database management system is used for storing all blood pressure data information generated in the operating process of ahuman blood pressure sensor, grading, storing and putting away all blood pressure monitoring values of a human body, outputting blood pressure data of each high blood pressure patient according to the monitoring time to form blood pressure data records, and displaying the blood pressure data records. A human blood pressure monitor of a modularized design comprises a microcomputer control module,a data transmitting and receiving module, a blood pressure warning module and a power module. Message data in an NB-IoT platform can be effectively encrypted, and therefore the intercepting or tampering of data by lawbreakers are effectively prevented from intercepting or tampering data, the data security in an NB-IoT system is ensured, an algorithm is simple, and the data timeliness can be effectively ensured. The dynamic blood pressure information of patients can be effectively, conveniently and accurately collected in real time. The defects of an existing medical monitoring system are overcome, resources are saved, consumption is reduced, cost is saved, and meanwhile the workloads of medical staff are reduced.

The invention discloses an efficient matching breeding method for procypris merus, and relates to a breeding method for procypris merus. The procypris merus protospecies are protected and continuouslyutilized, and the production performance of the procypris merus protospecies is improved. The method comprises the following steps: 1, selecting procypris merus, and performing marking and filing; 2,analyzing the genotype and genetic composition of the procypris merus parent fish population; 3, performing analysis by using software and then carrying out grouping propagation; and 4, breeding filial generations until sexual maturity to finish breeding. According to the method, the procypris merus protospecies are protected and continuously utilized, and the production performance of the procypris merus protospecies is improved.

The invention discloses a remote pulse and blood pressure safety monitor which comprises a mounting seat. A measurement mechanism used for blood pressure measurement is mounted on the mounting seat and controlled by a control mechanism, and the control mechanism is wirelessly connected with a terminal with displaying and remote alarming functions. By effective combination of blood pressure detection and pulse detection, real-time online monitoring of blood pressure and pulse can be realized, and data storage is realized. By means of wireless communication, continuous use during sleeping of a user can be realized, lines are prevented from being unconsciously intertwined by the user in sleeping, and guarantees can be provided for the elderly people and patients with some special diseases. When the user is under a condition of blood pressure and pulse instability, alarms can be sent to relatives or medical workers through a remote telephone alarm function to realize timely rescue.

The invention discloses a heat pipe type heat extraction integrated cold, electricity and heat combined collection-utilization integrated geothermal system. The system comprises an underground heat pipe, a steam pump, a first absorption bed, a second absorption bed, a first condenser, an electronic expansion valve, an evaporator, a liquid storage tank, a balance valve, a steam turbine, a power generator connected with the steam turbine, a second condenser, heat utilization equipment connected with the second condenser, a booster pump connected with the second condenser, and related connection valve assemblies. According to the system, the flow direction and flow of heat pipe steam extracted out of the ground are controlled through the steam pump and the regulating valves on the refrigeration side and the power generation side, so that refrigeration / electric heating single-mode heat utilization or flow distribution during cold / electric heating dual-mode combination is selected, and the balance relation between refrigeration and power generation is adjusted according to seasonal requirements; the flow direction of a refrigerant is controlled through a refrigeration side valve assembly, and geothermal energy is extracted for continuous refrigeration; and a heat pipe steam working medium is stably and efficiently utilized for refrigeration / electric heating dual-mode combination.

The invention discloses an environment-friendly volatile punching oil composition and an application thereof and belongs to the technical field of metal piece punching. The volatile punching oil composition comprises the following ingredients in percentage by mass: 65%-85% of turpentine oil, 15%-30% of hydrocarbon solvent base oil and 0%-5% of volatile lubricant. According to the volatile punchingoil composition provided by embodiments of the invention, volatile punching oil, which is light in odor, difficult in residual, good in lubricating property and good in volatility and has a standards-compliant flashing point, can be prepared through employing a natural product, i.e., the turpentine oil and the hydrocarbon solvent base oil as main raw materials and employing the volatile lubricantas an additive. Compared with the traditional volatile punching oil, the volatile punching oil composition has the advantages that during use, environmental pollution can be reduced, and actions of lubricating, antirusting protection, corrosion prevention, workpiece surface cleaning and the like can be provided under the condition that a user does not change the existing production punching processing technology.

The invention discloses a large-scale artificial agkistrodon acutus snake breeding method and device, and relates to the technical field of agkistrodon acutus snake breeding. The technical problems that in the prior art, agkistrodon acutus snakes existing by imitating a natural breeding method grow slowly, and are low in survival rate and utilization rate are solved. The large-scale artificial agkistrodon acutus snake breeding method comprises the steps that the agkistrodon acutus snakes are independently placed in breeding cedar wood boxes, the breeding cedar wood boxes containing the agkistrodon acutus snakes overlap one another, by controlling the indoor temperature and humidity in a breeding room, neither hibernation nor estivation is needed for the agkistrodon acutus snakes, the snakes are in a continuous growing status, and the agkistrodon acutus snakes placed in the breeding cedar wood boxes are fed with feed in the preset time. According to the method, not only can the growth rate and the survival rate of the agkistrodon acutus snakes be increased, but also the agkistrodon acutus snakes can eat all year round, and then continuous utilization is achieved.

The invention relates to a fast cultivation device of paridis rhizoma seedlings in the technical field of plant cultivation. Firstly, the paridis rhizoma seedlings are subjected to fast germination treatment, and then enter an environment control room for level one light auxiliary sound seedling period cultivation treatment in a room temperature environment, and then the level two light auxiliary fast cultivation treatment in a simulated outdoor environment is carried out in the environment control room before seedling damping-off in the first year. Based on a plant growth microenvironment control technology, by combining a sugarless culture micropropagation technology, under the premise that suitable environmental factors such as light, temperature, humidity, carbon dioxide, and nutritional elements are provided for the paridis rhizoma seedlings, the problems that the paridis rhizoma seedlings have a long germination period, fragile seedling growth, a low survival rate of transplanted plants, a long seedling period and the like are solved.

The invention discloses a method for improving the product content in taxus chinensis branches and leaves, and relates to the technical field of medicinal taxus chinensis cultivation. The technical key point comprises the following steps: (1) forest woods are prepared; (2) branch and leaf pruning is carried out, wherein taxus chinensis trees artificially planted for more than 2 years are pruned for shaping; tending and fertilization are enhanced, such that bud proliferation and growth are promoted, and taxus chinensis new leaf number and area are improved; (3) biological induction is carried out, wherein when leaves attached to new branches are 45-55% expanded, the leaves are sprayed with a prepared bioactive induction solution once or twice; and (4) harvesting and utilization are carried out, wherein all the new branches and leaves of taxus chinensis are lignified, the branches and leaves are picked, processed and utilized. The invention aims at providing the easy-to-operate, practical and highly efficient method for improving the effective product content in artificially cultivated taxus chinensis branches and leaves. The method is used in planting management of an artificial taxus chinensis raw material forest for preparing medicinal compounds.

The invention relates to the technical field of gas-liquid separation, in particular to a gas-liquid separating and liquid recycling device. According to the gas-liquid separating and liquid recyclingdevice, a guiding plate mechanism is used for being matched with air pressure at an exhaust gas liquid inlet, when the air pressure at the exhaust gas liquid inlet is increased, the liquid content isincreased, the increased air pressure enables the guiding plate mechanism to swing, an upper guiding plate and a lower guiding plate slide mutually, the contact area between a sponge plate on the guiding plate mechanism and the exhaust gas liquid inlet is enlarged, the adsorption capacity of a liquid is enlarged, and the technical problem that due to the fact that when a pump body is started to work, the air pressure at the exhaust gas liquid inlet is instantaneously increased, the amount of the liquid is increased is solved; and meanwhile, swinging of the guiding plate mechanism is used fordriving a gate plate mechanism and a liquid retention mechanism to work, and the liquid retention mechanism further adsorbs the liquid, so that the retention capacity of the liquid is improved, and the gate plate mechanism can reduce the height of a communicating opening, so that the situation that the pressure lowers the liquid surface, so that gas is leaked is avoided.

The invention discloses a stably clamped milling cutter which is characterized by comprising a cutter bar (1), a cutter head (2) and blades (3), wherein the cutter head (2) coaxial with the cutter bar (1) is arranged at the upper end of the cutter bar (1); the blades (3) are arranged on the cutter head (2); a milling part (4) which protrudes out of the cutter head (2) is arranged at the front end of the blades (3); strip-shaped holes (5) which penetrate through the blades (3) are formed in the middle rear parts of the blades (3); a bolt (6) fixed on the cutter head (2) penetrates through the strip-shaped holes (5) and is fixed by a nut (7); and an annular groove (9) through which the cutter bar (1) is conveniently clamped is formed in the cutter bar (1). The stably clamped milling cutter provided by the invention is simple in structure, reasonable in design and stable to clamp and has a scrap collection function, the length of the blades is adjustable, the service life of the blades is prolonged, and the production cost is reduced.

The invention discloses giant salamander oligosaccharide peptide, a preparation method and application thereof in cosmetics, wherein the molecular weight of the prepared giant salamander oligosaccharide peptide is smaller than 4000Da, a sugar chain is connected with serine or threonine through GalNAc, and the giant salamander oligosaccharide peptide has a -Galbeta1-3GalNAcalpha-O-Ser / Thr structure. The preparation method comprises the following steps of: homogenizing giant salamander grume at the temperature of 0-10 DEG C; adding 1-3 time volume of 0.01-0.1M phosphate buffer and complex enzyme into a homogenate and carrying out enzymolysis for 12-48 hours, wherein the pH value of the phosphate buffer is 7-8, the mass ratio of the complex enzyme to the homogenate is 0.1-1 percent, and the complex enzyme is formed by proportionally mixing ocean alkali protease, papain, pepsin and trypsinase in the activity unit ratio of 3:3:2:2; centrifugalizing to obtain a supernatant, separating by adopting an ultrafiltration membrane separator with the interception molecular weight of below 4000Da and obtaining a liquid permeating an ultrafiltration membrane; collecting an OD280nm absorption peak through a Sephadex LH-20 molecular sieve chromatography column; and freezing and drying the collected liquid after passing through macroporous absorbent resin and activated carbon to prepare the giant salamander oligosaccharide peptide.

The invention discloses a marker acting on a human epidermis and used for carrying out marking before radiotherapy. The marker comprises a shell and a pen point. The marker comprises the handheld shell and the pen point, wherein a solution box is mounted in the shell, a gentian violet solution is contained in the solution box, a valve plate is slidably connected in the solution box, the valve plate is fixedly mounted at the axis of the shell through a vertical rod, and a pressing plate slides downwards to drive the solution box to slide downwards. According to the marker acting on the human epidermis and used for carrying out marking before the radiotherapy, a supply structure of a dyeing solution is redesigned, the pen point in the marker can stably discharge liquid to achieve a marking purpose in a one-time-pressing continuous liquid-supply mode, and the purpose of direct marking without contacting the skin of a patient can be achieved by taking the same pressing acting force as a driving force, so that suffering increase caused by direct contact between the skin and a marking structure after the skin is damaged by the radiotherapy is avoided, and the marking effect is clearer and more complete.

The invention discloses a drying system for continuous circulated operation. The drying system comprises a drying unit, a feeding unit, a discharge unit, an air inlet unit and a lifting unit, wherein the drying unit comprises a shell with a heat-preservation layer outside, a plurality of discs which are matched with the inner side wall of the shell to accommodate a material to be dried, and a first conveying unit for displacing the discs of the material to be dried in a preset direction in a stepping manner so as to dry the material at preset time intervals; the lifting unit is arranged on the other side outside the shell and is communicated with the interior of the shell through a second conveying unit and a third conveying unit which are connected with one side of each of the bottom and the top of the shell respectively, thus achieving circulated conveying of empty discs. Due to cooperation of the units, a plurality of drying areas are formed by virtue of different temperatures and pressures inside the shell, and furthermore continuous utilization of heat is achieved, so that the drying system for continuous circulated operation, which is disclosed by the invention, has the effects of good implementation effect, high production efficiency, high heat utilization and high safety.

The invention discloses a high-precision milling cutter capable of clamping stably. The high-precision milling cutter capable of clamping stably is characterized by comprising a cutter rod (1), a cutter head (2) and a cutter blade (3), wherein the cutter head (2) coaxial with the cutter rod (1) is arranged on the upper end of the cutter rod (1), the cutter blade (3) is arranged on the cutter head (2), the front end of the cutter blade (3) is a milling part (4) protruding toward the cutter head (2), a strip-type hole (5) running the cutter blade (3) is formed in the middle-rear part of the cutter blade (3), a bolt (6) fixed on the cutter head (2) passes through the strip-type hole (5) and is fixed by a nut (7), dividing rules (10) are arranged at the left side and the right side of the strip-type hole (5) respectively, and a displacement sensor (11) is also arranged on the cutter head (2). The provided high precision milling cutter capable of clamping stably has the advantages that blade length is visual and can be accurately adjusted, clamping is stable, service life of the blade is prolonged, and production cost is reduced.