39results about How to "Eliminate the situation" patented technology

The invention discloses a strip seeding production line for raising hybrid rice seedlings. The production line is composed of a front part, a rear part and various mechanisms, wherein a driving motor, a drive device, a fertilizer applying mechanism, a subsoil mechanism, a brushing and flattening mechanism and a groove rolling mechanism are arranged on a front rack; a driving motor, a drive device, a seeding mechanism, a water spraying mechanism and a soil covering mechanism are arranged on a rear rack; and all the mechanisms are driven in a stepless synchronization manner and are respectively provided with a regulating device, so that the capacity of each mechanism can be regulated according to different needs. After an empty seedling disk passes an inlet, the drive devices convey the seedling disk into the production line, and thus the seedling disk can be driven at the bottom of each mechanism, wherein the fertilizer applying mechanism applies a thin layer of seedling strengthening agent fertilizers at the bottom of the seedling disk; the subsoil mechanism spreads subsoil on the fertilizers distributed in the seedling disk; the brushing and flattening mechanism brushes the subsoil on the surface of the seedling disk so as to flatten the subsoil; the groove rolling mechanism rolls 18 trapezoidal grooves in the subsoil on the seedling disk; the strip seeding mechanism quantificationally sows sprout seeds into the grooves in time by virtue of a strip seeding device; the water spraying mechanism firstly sprays atomized water to position the seeds in the grooves and then sprinkles water for the secondary time so as to ensure that the water is completely permeated into the subsoil; and the soil covering mechanism overlays a thin layer of fine soil on the seeds to prevent the exposure of the seeds so as to ensure that the seeds are not influenced, so that the one-time seeding is finished by the production line. The production line provided by the invention is suitable for strip seeding in the raising of the hybrid rice seedlings.

The present invention provides a foreground detection method based on motion vector division, characterized in that discrete motion vectors are used for dividing a movement trend to perform foreground detection, when the movement trend of a foreground and the movement trend of a background are distinguished, dense optical flow is used as a distinguishing basis, quantitative processing is performed for a calculated optical flow field to obtain a discrete motion vector matrix, then directional division is performed for the matrix, and connected domains are searched finally, so as to find a foreground object of which motion direction or speed is different from the motion direction or speed of the background, thereby completing a search process for the foreground object. A continuous vector quantification method and a division method in the present invention can well perform analysis processing for an optical flow vector field. The foreground detection method of the present invention which obtains the foreground object through comparison of the areas of the connected domains is a method for quickly capturing the position of the foreground in the case of uncertain foreground object.

A video personnel identification method includes establishing a personnel image information registration database; according to the walking trace of an identified person, acquiring monitoring video data of different video monitoring points; acquiring the personnel image information of the identified person according to one frame or multiple continuous frames of the monitoring video data images; according to an image frame fuzzy threshold, acquiring image frames larger than the threshold, and extracting the personnel image information of the identified person according to the acquired image frames; comparing the extracted multiple frame image information comprehensively, and selecting optimal image information to combine so as to acquire final extracted personnel image information; submitting the final extracted personnel image information to a face registration database to compare or register and store. The method has the advantages that the defects that according to the prior art, the personnel identification error rate is high, efficiency is low and persons with changed clothes or shielded faces cannot be identified are solved.

The invention discloses a rod-typed oil pump which can eliminate the partial abrasion and has positive well cleanout function, comprising a disconnecting/connecting mechanism, a pulling rod, a long piston, a short pump cylinder, a fixed valve, a fixed valve base expanded pipe, a long pump cylinder, a short piston, a floating valve, a pump cylinder lower expanded pipe, and a short piston supporter with a flow passage. The fixed valve is arranged above the long pump cylinder; the short piston is arranged inside the long pump cylinder and below the fixed valve; the floating valve is arranged on the short piston; the diameter of the pulling rod is less than that of the long piston; the pump cylinder lower expanded pipe is longer than the diameter of the long pump cylinder. The invention can eliminate the partial abrasion of the oil rod and can achieve the positive well cleanout without moving a pipe string.

The invention discloses a multi-project resource balancing and optimizing method which is characterized by comprising the steps that (1) shared resources are reserved and approved based on a work breakdown structure (WBS); (2) then each project is balanced and optimized through the heuristic algorithm based on priority rules and parallel scheduling according to the approved shared resource quota and the limit of self-owned resources. According to the multi-project resource balancing and optimizing method, the simple heuristic algorithm and parallel scheduling are adopted, and the impact of the selection of operation priority rules on a balancing result can be mitigated to a certain extent.

The invention provides a feed for Xiang pigs at a perinatal period and a preparation method of the feed. The feed comprises the following raw materials in parts by weight: 40-60 parts of corn flour, 30-50 parts of wheat bran, 20-40 parts of bean cakes, 10-25 parts of soybean flour, 5-15 parts of rice bran, 10-25 parts of distillers' grains, 5-20 parts of motherwort, 5-15 parts of shrimp powder, 5-15 parts of fish meal, 5-15 parts of red jujube powder, 5-10 parts of brown sugar, 10-30 parts of probiotics powder, 0.5-2.5 parts of sodium selenite, 1-3 parts of zinc sulfate, 0.5-1.5 parts of potassium iodide, 1-5 parts of tryptophan, 0.5-1.5 parts of dicalcium phosphate and 0.5-1.5 parts of manganese carbonate. Various raw materials are in a reasonable compounding ratio, so that the nutritionof the feed for Xiang pigs at the perinatal period provided by the invention can meet various nutrition requirements of the Xiang pigs within the perinatal period, prenatal milk secretion and postpartum milk secretion are facilitated, the health of intestinal tracts is strengthened, prenatal and pospartum constipation situations are eliminated, postpartum inflammation is eliminated, and the appetite of the Xiang pigs can be promoted.

The embodiment of the invention relates to a monitoring method and device, a data processing method and device, and a distributed computing system in distributed computing. The monitoring method comprises the steps that each computing node receives state information related to current task processing of the corresponding computing node, a task execution instruction is generated based on the state information received by each computing node for the corresponding node, and the task execution instruction is sent to the corresponding computing node, so as to execute corresponding subsequent processing, so that the real-time processing on massive data is realized.

A washing machine includes a controller for controlling at least the steps of washing, rinsing, and dehydrating, a speaker for receiving an audio signal supplied from the controller and sounding a voice, an external frame of the washing machine, a front panel placed in the external frame at front and having small openings; and a top plate for covering a top section of the external frame. The front panel includes therein: a case, whose sectional view shows like a letter ''L'', having a top opening and a lateral opening on both its ends, and a diaphragm of the speaker mounted at the top opening with its face orienting downward, a speaker mounting case for covering the speaker, and a slit cover held between the lateral opening and the front panel. The lateral opening is placed directing toward the small openings.

The invention provides a widget interface generation method and device, a storage medium and electronic equipment, and relates to the technical field of computers. The method comprises the steps of receiving request information sent by a terminal main application program, determining a target sub-application program corresponding to the request information, wherein the target sub-application program is a sub-application program of the main application program; obtaining widget data required for displaying a target widget in the target sub-application; generating an instruction set for drawingan interface of the target widget by processing the widget data; and returning the instruction set to the terminal, so that the terminal generates an interface of the target widget by executing the instruction set. According to the invention, the influence of terminal hardware performance on the generated widget interface can be eliminated, the problems of waiting, blank pages and the like causedby long-time rendering on the terminal are improved, the wrong widget interface is prevented from being displayed to a user, and the user experience is improved.

The invention provides cloth sewing and cutting equipment. The cloth sewing and cutting equipment comprises a sewing mechanism, a feeding frame, a storage frame, a cloth cutting mechanism, a cloth connecting machine, a quality detector and a control center. When cloth is conveyed through the feeding frame, edge suction straightening and trimming cutting are carried out, and then edge folding and sewing are carried out on the cloth through the sewing mechanism, so that the attractiveness of the cloth is improved. After sewing is completed, the cloth is stored through the storage frame and then conveyed into the cloth cutting mechanism, and the cloth is cut. The cloth is connected through the cloth connecting machine in a sewing mode, so that the continuous cloth conveying performance of the feeding frame is improved. The characteristics of continuous and discontinuous cloth conveying can be compatible through the storage frame, the cloth cover damage problem can be detected through the quality detector, and the cloth is cut off through the cloth cutting mechanism, so that the cloth production efficiency is improved. And meanwhile, the whole process is monitored through the control center and can also be controlled manually, so that the running safety and smoothness of the cloth sewing and cutting equipment are guaranteed, and the production efficiency and quality are improved.

The invention discloses an expander device for secondary positioning of a three-pin shaft fork. The expander device sequentially comprises an expander body and an outer sleeve from left to right, a mandrel is slidably arranged inside the axial middles of the expander body and the outer sleeve in a penetrating manner, the expander body is connected with a main shaft of driving equipment, the mandrel is connected to an air cylinder of the driving equipment, the mandrel is sequentially sleeved with a compression spring, a first inclined block and a second inclined block from left to right, inclined surfaces which are gradually reduced from left to right are arranged on the top of the first inclined block and the top of the second inclined block correspondingly, tensioning blocks are vertically inserted on the outer sleeve, the shapes of the bottoms of the tensioning blocks are matched with the inclined surfaces and are in sliding abutting contact with the inclined surfaces, an inner cavity of the three-pin shaft fork blank part sleeves the right end of the outer sleeve from right to left, and a center hole of the right end face of the three-pin shaft fork blank part is horizontally abutted with a center. According to the expander device for the secondary positioning of the three-pin shaft fork, the structural design is reasonable, the situation that the manual feeding error exists, the feeding is not in place and a positioning pin cannot be abutted can be eliminated through the axial secondary positioning and by matching the controlling action of a numerical control program ofa machine tool, and the machining precision of a part is greatly improved.

The invention provides a method for stabilizing pressure of a gas collection pipe of a coke oven. The method comprises the following steps: additionally arranging one set of turning plate automatic adjusting system in a coal gas pipeline in front of an inlet of a coal gas air blower, and forming interlocking between the turning plate automatic adjusting system and a suction force control point in front of the air blower; calibrating a reasonable suction force range in front of a primary cooler to be 1500+/-200Pa; calibrating a reasonable working range of a turning plate adjustment in front of the air blower to be 30 percent to 70 percent; adjusting a rotary speed of a hydraulic coupler of the air blower and the turning plate adjustment to be automatic and controlling the opening degree of the turning plate to be 30 percent to 70 percent; manually adjusting the rotary speed of the hydraulic coupler of the air blower according to changes of a coal gas generation amount; manually adjusting the number of turns for opening circulating pipe valves; finally, manually adjusting the opening degree of an inlet valve of the air blower. According to the method provided by the invention, the stability of a suction force in front of the primary cooler can be ensured, the percent of pass in a range of 1500+/-200Pa is 95 percent or above and the percent of pass in a range of 160+/-40Pa is 96 percent or above; damages to a furnace protection iron piece and equipment, caused by the fact that pressure in the gas collection pipe has great fluctuation, are extremely reduced, and loss of byproducts is avoided.

The disclosed X-ray TV system with multiple recursive composite control noise-reducing technology comprises: using multiple set of recursive paths every with one micro increment to simultaneous process the digital video signal and composite overlay increments for continual adjusting the noise-reduction step; real-time processing image with FPGA, and using CPU to operate the process. This invention eliminates jump led by drag-tail, can achieve optimal effect for different motion speed, reduces radiation time on patient, improves work efficiency for doctor, and increases detection rate on patient focus.

The invention discloses a method for accurately positioning a transverse moving trolley. A laser range finder is installed on the transverse moving trolley. A reflecting plate is arranged on the end part of a transverse moving trolley walking guide rail; and an encoder is installed on a motor shaft of a transverse moving trolley walking motor. In the process that the transverse moving trolley walks to a designated parking space, the laser range finder measures the distance between the transverse moving trolley and the reflecting plate in real time, when the difference between the distance and the numerical value of the laser range finder at the initial target position of the transverse moving trolley reaches a set fixed numerical value, a control system increases (or decreases) the numerical value of the current encoder by a calibration numerical value, and the encoder numerical value is used as the calibrated encoder numerical value of the target position; then the transverse moving trolley continues to run according to the calibrated encoder numerical value to reach the target position of the calibrated transverse moving trolley; and the condition that the pulse value of the encoder is inconsistent with the actual distance value caused by slipping of traveling wheels of the transverse moving trolley can be eliminated. After in-place verification, the actual position measured by the laser range finder is compared with the preset target position, so that the in-place verification effect is achieved.

The invention relates to an off-axis two-reflector multi-light-in-one optical main system. The system comprises an off-axis primary mirror and an off-axis secondary mirror. The off-axis primary mirror and the off-axis secondary mirror are both positive-focal-power reflectors, and the reflecting surfaces are both rotational symmetric even-order aspheric surfaces. The off-axis primary mirror converges incident parallel light rays at a focal point of the off-axis primary mirror, and a primary image surface field diaphragm is arranged at the focal point; the focus of the off-axis secondary mirror coincides with the focus of the off-axis primary mirror, and the light passing through the focus is reflected by the off-axis secondary mirror and then emits parallel light. The technical problems that an existing airborne optical load main system has central obscuration and the system volume is large are solved at the same time, full-spectrum-band imaging detection can be achieved theoretically, mutual interference caused by respective imaging of all spectrum bands is effectively restrained, all systems can achieve the optimal image quality, and the method is suitable for being applied to a large-aperture long-focal-length system in an airborne environment.

The invention discloses a zinc liquid cleanser. The zinc liquid cleanser comprises: by weight, 40 to 72% of CaF2, 3 to 15% of ZnCl2, 3 to 5% of C6Cl6, 20 to 30% of MgCl2.KCl and 2 to 10% of MnO2. The zinc liquid cleanser can be prepared through simple processes, has a low cost, is convenient for use, and has low iron content, low slag content, low gas content, high purity and good fluidity. The zinc liquid cleanser can be utilized for a treatment technology related to hot galvanizing melt. A galvanized part adopting the zinc liquid cleanser has good surface smoothness and no surface cockles. Therefore, the zinc liquid cleanser effectively improves product use performances and product quality.

The invention discloses a vehicle-mounted air inflation and vehicle cleaning integrated device. The device comprises a water bucket and a bucket cover arranged on the water bucket. A containing groove is formed in the bucket cover, and an inflator pump and a water pump are arranged in the containing groove. The top end of the water pump extends upwards to be provided with a water outlet connector and a water inlet connector. The upper end of the water outlet connector stretches out of the bucket cover. The water inlet connector is communicated with the inside of the water bucket through a pipeline. The bucket cover is further provided with an external power source interface and a switch control unit used for controlling the inflator pump and the water pump to work. The switch control unit comprises a working diverter switch and a controller which are arranged on the bucket cover. The controller detects and collects the temperature of the working environment of the inflator pump. The controller calculates the output pressure of the inflator pump according to the current temperature environment of the inflator pump and the pressure value of the inflator pump. The working diverter switch comprises a shut gear, a vehicle cleaning start gear and an air inflation start gear.

The invention discloses a protection circuit capable of working stably. The protection circuit comprises an insulated gate bipolar transistor T, a drive chip EXB841, a comparator A, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a diode D1, a diode D2 and a diode D3, wherein a non-inverting input of the comparator A is connected with one end of the resistor R3; the other end of the resistor R3 is connected with one end of the resistor R1; an inverting input end of the comparator A is connected with one end of the resistor R4; the other end of the resistor R4 is connected with a moving end c of the resistor R2; a fixed end a of the resistor R2 is simultaneously connected with one end of the resistor R1 and one end of the resistor R3; the resistor R6 is connected between a port 1 of the comparator A and a signal output end; the signal output end of the comparator A is connected with a cathode of the diode D2; an anode of the diode D2 is connected with a port 4 of the drive chip EXB841. According to the scheme, the condition that a forward voltage drop changes along with different currents can be eliminated through the circuit; and through the arrangement of the driver EXB841, the insulated gate bipolar transistor can be slowly turned off under the condition of overcurrent in the circuit; and the working stability and reliability of the circuit are ensured.

The invention discloses an intelligent patrol method based on a campus, and the method comprises the steps that an intelligent patrol terminal obtains the information of a patrol person to pass the identity verification, and transmits the information of the patrol person to a server; the server receives the inspection personnel information and performs identity verification, and if the identity verification is passed, an inspection task is issued and an inspection route table corresponding to the inspection task is created to the intelligent inspection terminal; the intelligent inspection terminal scans a unique identifier randomly generated by an identifier bound with the inspection point to perform identity authentication of the inspection personnel, and sends identity authentication information of the inspection personnel to the server; and the server receives the identity verification information of the inspection personnel and detects whether the identity verification informationcorresponds to the inspection personnel: if so, the server stores the inspection content corresponding to the inspection point and sends a prompt to the intelligent inspection terminal to prompt the next inspection point of the inspection path until all the inspection points of the inspection path are completed.

The invention belongs to the technical field of security and protection, and particularly relates to a defense area division method for a security and protection radar. The method comprises the following steps: acquiring mark point information; wherein the mark point information comprises information of points located in a coverage area of the security and protection radar; generating a division area based on the mark point information; and determining a defense area based on the division area and a preset reporting rule. According to the method, defense area division can be performed on the monitoring coverage area of the security and protection radar so that false alarm points can be eliminated and false alarms can be reduced.

The invention relates to an automatic compensating machining method of medical bracket pipe diameter tolerance, which is mainly used for solving the problem that the qualification rate after the laser cutting of the bracket in the prior art is low. The equipment for the automatic compensating machining method of medical bracket pipe diameter tolerance comprises a bracket laser cutter, an opposite irradiating measuring head and a control system processing center; the opposite irradiating measuring head is arranged between a pipe chuck on a two-dimensional motion platform in the bracket laser cutter and a clamping lining sleeve of the pipe close to the cutting area; according to the technical scheme, when the pipe is in a cutting status, the bracket clamp is clamped on the chuck, the chuck is fixed on the rotary shaft, and the bracket pipe is arranged between a signal generator and a signal receiver of the opposite irradiating measuring head, so that the problem is well solved, and the automatic compensating machining method of medical bracket pipe diameter tolerance can be used in the medical bracket pipe measuring device manufacturing industry.

The invention provides an unmanned aerial vehicle cluster cooperative reconnaissance method and system under the condition of limited communication bandwidth, relates to the technical field of target reconnaissance, and can solve the problems of limited communication bandwidth, large target detection delay and low precision in unmanned aerial vehicle cluster reconnaissance. The method comprises the following steps: S1, a first unmanned aerial vehicle collects a target picture and analyzes the target picture on an airborne end to obtain target information under a stand-alone view angle and share the target information in a cluster; the collected target information is sent to the comprehensive judgment module while the pictures are continuously collected; s2, other unmanned aerial vehicles respectively judge whether cooperative investigation is carried out or not, if cooperative investigation is carried out, picture collection is carried out on a target according to the received target information, airborne end analysis is carried out, target information under respective view angles is obtained, and meanwhile the obtained target information is sent to a comprehensive judgment module; and S3, the comprehensive judgment module analyzes the received target information to obtain a final investigation result. The technical scheme provided by the invention is suitable for a target investigation process.

The invention provides a self-breaking type pressing bolt assembly, and belongs to the technical field of orthopedics medical apparatus and instruments. The self-breaking type pressing bolt assembly is used for pressing and resetting from the outer side when fracture of tibial plateau occurs. According the technical scheme, the diameter of the back portion of a threaded rod of the pressure bolt isless than that of front portion of the threaded rod, the joint part of a large diameter segment and a small diameter segment of the threaded rod is an inclined circular connecting segment, an inner hole is formed in a rod body of the back portion of the threaded rod, the inner hole of a pressing nut is an unequal diameter screw hole, a screw thread of the screw hole with large diameter of the front portion of the pressing nut is matched with the screw thread of the large diameter segment of the threaded rod of the pressing bolt, the screw thread of the screw hole with small diameter of the back portion of the pressing nut is matched with the screw thread of the small diameter segment of the threaded rod of the pressing bolt, the connecting position of the screw hole with the large diameter of the front portion of the pressing nut and the screw hole with the small diameter of the back portion of the pressing nut is a perpendicular circular plane. The self-breaking type pressing bolt assembly has a simple structure, convenient operation and reliable effect, eliminates the situation that pain and limitation of movement occur under the local soft tissue stimulation caused by the excessive length which is left at the tail end of the pressing bolt, avoids the occurrence of various complications, and achieves a satisfactory restoration effect.

The invention provides a distribution transformer gear discrimination method based on least square regression. The method comprises the following steps: acquiring a distribution transformer voltage, and carrying out filling on missing data in the distribution transformer voltage through a Lagrange interpolation method so as to obtain target data; drawing a voltage curve according to the target data; performing least square regression on the voltage curve, and setting a first equation; establishing a function of parameters in the first equation, and calculating an expression of the parameters about the first equation so as to obtain a second equation; and calculating a least square voltage regression mean value according to the second equation, and performing archiving based on combination with a distribution transformer gear selection principle. According to the method, firstly, missing data are filled by using the Lagrange interpolation method, then a least square regression straight line is obtained by using distribution transformer outlet voltage, and finally, the least square regression mean value is calculated to realize matching with the gear to which the least square regression straight line belongs. Experimental results show that the provided discrimination method can accurately carry out gear affiliation and has certain reliability.

According to an electric arc prevention method and an electric arc prevention structure of a voltage withstanding machine, a small gear assembly on a motor in the voltage withstanding machine, a motorshell, a fixing frame, a voltage regulator shell and a large gear assembly form a closed loop in sequence, and in order to avoid the situation that an induction current is generated in the closed loop when a voltage regulator in the voltage withstanding machine works, a structure for eliminating the induction current is arranged in the closed loop, so that an electric arc is prevented from beinggenerated between the small gear assembly and the large gear assembly. The structure for eliminating the induction current is arranged in the closed loop, so that the situations that smoke is generated at the meshing position of the reduction gears of the voltage regulator, and electric sparks are generated, are eliminated. According to the present invention, the potential safety hazards can be eliminated, the service lives of the voltage regulator, a motor and the like are prolonged, and the overall quality of the voltage-withstanding machine is improved.

The invention relates to a hot tinning antioxidant additive and a preparation method and application thereof. The additive comprises the following components in percentage by mass: 95-99% of tin, and 1-5% of hafnium; and the content sum of tin and hafnium in the additive is 100%. The additive is applied to a hot tinning process; in particular, in the copper wire/strip hot tinning, the oxidation of tin liquid can be effectively inhibited, tin slag is reduced, and the utilization rate of tin ingots is increased; and meanwhile, few hafnium elements can increase the fluidity of the tin liquid, so that the wetting performance of a tin plating layer is effectively improved, the strength and the corrosion resistance of the tin plating layer are improved, and the surface quality of plating parts is improved. The antioxidant additive can be applied to the hot tinning, the tin artware preparation and the tin brazing filler metal preparation, and is excellent in application foreground.

The invention provides a preparation method of inverted trapezoidal photoresist side wall morphology and photoresist. The preparation method comprises the following steps: preprocessing a wafer and carrying out center positioning; coating photoresist on the obtained wafer and pre-baking the wafer; coating the photoresist again and pre-baking; exposing, developing and hardening; according to the technical scheme provided by the invention, the controllability of the morphology of the side wall of the lift-off process mask layer is effectively improved, the accurate transfer of the pattern is realized, and the operation method is simple.

The invention discloses a fertilization method capable of effectively improving low magnesium stress in the middle and later periods of fuel-cured tobacco. The fertilization method comprises the following steps of tobacco seedling transplanting, foliage spraying and root topdressing. Accordingly, fuel-cured tobacco magnesium deficiency symptoms caused by magnesium deficiency of soil can be effectively relieved, absorption of magnesium and potassium by the fuel-cured tobacco is promoted, fuel-cured tobacco growth and nutrient balance of tobacco plants are facilitated, and the important significance of reducing fertilizer application and increasing the additional fertilizer utilization rate is achieved; the economic benefit of tobacco leaves are increased, income increasing of tobacco growers is promoted, the effect is obvious, the cost is low, and expanded promotion is facilitated.

The invention discloses a balanced solidification casting structure and method for thick and large parts of castings. The balanced solidification casting structure involves an appearance sand mold, ariser is arranged at the top of the appearance sand mold, at least one cooling rod is arranged at the bottom of the appearance sand mold, one ends of the cooling rods are fixed to the inner side of the bottom of the appearance sand mold, and the other ends of the cooling rods extend into the wide position inside a cavity and are located at the position where the riser cannot conduct feeding, and the material of the cooling rods is the same as or close to that of the castings. The structure and method have the advantages that the structure is simple, and the shrinkage porosity of thick and large parts of the castings is reduced.

The invention relates to medical bracket machining equipment which is mainly used for solving the problem that the qualification rate after the laser cutting of the bracket in the prior art is low. The medical bracket machining equipment comprises a pipe diameter tolerance self-compensating device and a pipe diameter automatic measuring device, wherein the pipe diameter tolerance self-compensating device comprises a bracket laser cutter, an opposite irradiating measuring head and a control system processing center; the opposite irradiating measuring head is arranged between a pipe chuck on a two-dimensional motion platform in the bracket laser cutter and a clamping lining sleeve of the pipe close to the cutting area; according to the technical scheme, when the pipe is in a cutting status, the bracket clamp is clamped on the chuck, the chuck is fixed on the rotary shaft, and the bracket pipe is arranged between a signal generator and a signal receiver of the opposite irradiating measuring head, so that the problem is well solved, and the medical bracket machining equipment can be used in the medical bracket pipe measuring device manufacturing industry.