63results about How to "Realize replacement" patented technology

An implanted electric pulse system for stimulating nerve to treat Parkinson's disease, epilepsy, pain, strain and spasm is composed of a pulse generator implanted in human body, leading lines, electrodes, external program controller, PDA and external control magnet. The working state of pulse generator and the pulse parameters can be remotely controlled and regulated by said external magnet, program controller and PDA. The software update can also be performed through PDA and program controller.

The invention discloses a test bench device of quasi three-dimensional visualization models with high geostress and comprises a reaction wall device, a door-typed reaction frame is arranged in the side periphery of the reaction wall device, a hydraulic loading device is arranged between the door-typed reaction frame and a model body, and a plurality of observing windows are arranged surrounding the position of a perforated chamber on the reaction wall device. The test bench device can be used for implementing the experimental research on the geomechanical plane strain models in the stability research of underground engineered tunnels under high geostress condition. The test bench device has the following advantages: 1. a steel frame of the model adopts a high-intensity alloy steel material, thus having good intensity, rigidity and toughness, strong corrosion resistant capacity, and repeated and recycled use in a long time; 2. an external loading method is adopted, thus conveniently realizing jobs such as the installation and the replacing of loading equipment such as hydrostatic triggers, etc.; 3. a toughened glass is arranged surrounding a hole of the reaction wall, thus being convenient for observing the deformation and the crack propagation situation in the surrounding of the hole; 4. an assorted control system of hydraulic loading is combined, thus conveniently realizing graded loading and simulating real geostress distribution situation as accurately as possible.

The invention discloses a production process of low-salt oil-free fermented bean curd. The production process comprises the following steps: after performing the steps of immersing and washing soybean, grinding the soybean, filtering pulp, boiling the pulp, mixing pulp, concentrating, squeezing, dividing, inoculating, performing primary fermentation, cooling and mildewing, adding 8 to 10 percent of salt and 6 to 8 percent of alcohol; adding a proper amount of spice such as hot pepper powder, ginger powder, garlic powder and the like according to the traditional process; subpackaging into small bottles in one step; integrating fermenting, storing and finished product packaging materials; vacuumizing, so that the vacuum degree of the small bottle is 0.8 to 1.0; performing secondary fermentation for 1 to 2 months under the natural condition; performing secondary sterilization on the mature fermented bean curd, wherein the sterilization central temperature is 80 to 85 DEG C and the sterilization time is 25 to 35 minutes; and obtaining the finished products after passing inspection. The production process has the advantages that the unique flavor of the local traditional fermented bean curd is maintained; the characteristics of the times are achieved; the production process is fashionable and novel; the edible range is widened; the low-salt oil-free fermented bean curd has high nutritional value and preference, can realize industrial production and is safe and healthy; and quality safety of the oil-free fermented bean curd is effectively guaranteed.

The multifunctional carpentery stuffing consists of component A of one selected from bentonite, attapulgite and kaolin in 45-80 wt%; component B comprising one of wood powder, corn cob powder and stalk powder in 15-40 wt%, densifier in 2-15 wt%, melamine in 0-2 wt%, urea in 0-3 wt%, and acidity regulator in 0-4; and G component sodium salt in 0-3 wt%. The compounding process includes ore dressing, eliminating sand and grinding to obtain component A; mixing component A and component G, grinding, storing, sodium modifying and fine grinding; high speed shearing and mixing all the materials in a high speed rotary no-gravity mixer. The plywood with the said stuffing has less formaldehyde releasing amount, improved waterproof, antiaging, flexibility and other performances and low production cost. The stuffing may be used in replacing available stuffing.

The invention reveals an intelligent operation and maintenance management system for key equipment. The system comprises a health management layer, an operation and maintenance layer and a coordination management layer. Through the integration of the functions of all-time remote monitoring, fault diagnosis, service life prediction, operation and maintenance center and a coordination center of multiple devices and multiple parts, the system achieves the effective control of the operation states and change rules of the fixed facilities and moving equipment at an operation stage. Moreover, multiple departments, multiple terminals and multiple stations cooperate with each other and are combined with the operation and maintenance, thereby forming the closed-loop circulation of the recognition,diagnosis, prediction and elimination of a safety risk source, and preventing the safety risk to the maximum degree. Meanwhile, the system is based on data, and achieves a purpose that the upgrading of an industrial chain promotes the upgrading of equipment.

The invention discloses a magnesium-based composite material. The magnesium-based composite material is prepared from, by weight, 5-15 parts of nano material and 150-220 parts of magnesium alloy powder, wherein the nano material is composed of carbon nanotubes and nano ceramic, and the weight ratio of the carbon nanotubes to the nano ceramic is 1:(0.5-5). The invention further discloses a method for preparing the magnesium-based composite material. The method comprises the following steps that 1, the carbon nanotubes, ceramic nanoparticles and the magnesium alloy powder are taken and mixed to be uniform, and mixed powder is obtained; 2, the mixed powder is taken, a process control agent is added into the mixed powder, high-energy ball milling is conducted, and composite powder is obtained; 3, the composite powder is taken and subjected to heating and heat preservation, the composite powder is subjected to pressing, sintering and cooling after the process control agent is removed, and a composite ingot blank is obtained; 4, the composite ingot blank is taken and subjected to large plastic deformation processing and / or heat treatment, and the magnesium-based composite material is obtained. The magnesium-based composite material is better in mechanical property and high-temperature resistant property and meets the higher requirement of scientific and technological progress on material property.

The invention provides a method for preparing eutectic xylitol, which can solve the problems of complex process caused by easy absorption of moisture and difficult storage and compression, inapplicability for preparing gum confection and tabletting, high equipment investment cost, high energy consumption, and frequent and difficult cleaning because crystals are easily adhered to the surface of a machine in the prior art. The invention adopts the technical scheme that the method comprises the following steps: firstly, preparing xylitol solution according to the steps of hydrolyzing, primary refining, primary evaporation and concentration, secondary refining, secondary evaporation and concentration, hydrogenation, refining and concentration; then mixing sorbitol solution and the xylitol solution, concentrating the mixture in vacuum, and smelting and crystallizing the mixture in a double-conical powder mixing crystallizer; and drying, crushing, screening and packing the mixture. The eutectic xylitol overcomes the defects of easy moisture absorption and difficult compression of the xylitol, is more suitable for preparing the gum confection and tabletting, expands the application rangeof the xylitol, and has better economic benefit and social meanings.

The invention discloses a heat exchanging plate of plate type heat exchanger, belonging to the parts of heat exchanging equipment with no directly contacting heat exchanging medium, especially the parts of heat exchanging equipment which is used for fixed plate or laminating channel of two exchanging mediums and in which each medium is not contacted with different side face of the channel. The heat exchanging plate comprises locating hole, in-off hole of medium, guiding region of in-off hole, diverge region, and heat conducting region. It is characterized in that plate ripple in the heat conduction region is divided into two sides by the plate central line, one side is ripple with blunt angle and the other side is ripple with acute angle. The benefit of invention is because ripples with different angle are applied in the plate by the plate central line, the flux of heat exchanging amount is matched with permitted pressure-drop better. Meanwhile, because the path diameter ratio of ripples on two sides of heat exchanging plate is different, velocity of flow of cool and heat medium is approach or equal among plates and the heat exchanging coefficient is improved by 5-10%. The invention is applied in the update of original production.

The present invention provides a method for culturing celery hybrid species by utilizing male sterility dual-purpose line. Said method utilizes steril plant in the male sterility dual-purpose line controlled by nuclear recessive gene as female parent, and selects several celery self-bred lines as male parent to respectively prepare hybridized combinations. Besides, said method adopts the following steps: in the initial stage of flowering identifying fertilizable plants in male sterility dual-purpose line and completely removing them, after the pollination is combleted; removing all the male parent plants, and collecting seeds from female parent plants so as to obtain the hybrid seeds with 10% purity.

The invention provides an open type assembling module platform cabin structure, which belongs to the technical field of spacecraft structures and comprises a plate type cabin body, a standard replaceable module and a standard butt joint interface, wherein the standard replaceable module is mounted on the plate type cabin body through the standard butt joint interface; the plate type cabin body isof a grid-type frame structure and is of a front-and-back open type and symmetrical type; the standard replaceable module and the plate type cabin body are combined to form a drawer-type structure, and the standard replaceable module can be captured, pulled out and pulled out of the platform cabin for on-track maintenance by means of a robot. The structure is suitable for the high-orbit ultra-large assembling maintainable satellite platform, can be used as a component of the ultra-large satellite platform, and can also be used as a transportation tool for carrying out modular single-machine on-orbit maintenance on the ultra-large satellite platform; the module platform cabin is extensible in structure, the number and the size of standard modules can be designed, the overall structure is high in universality, the structure is simple, batch production is easy, and the development cost can be reduced.

The present invention relates to a docetaxel nanometer lipid injection. The invention also relates to a method for preparing the docetaxel nanometer lipid injection. The invention further relates to the application of the docetaxel nanometer lipid injection for preparing medicament for treating a tumor. The nanometer preparation of the invention is capable of prolonging the medicament action time, conveying the medicament with a target, reducing the administration dose under the precondition of ensuring the medicament action, alleviating or avoiding medicament toxin and side effects, improving the medicament action stability, and being benefited for the medicament storage, thus it is capable of implementing the development of the medicament which has advantages in the aspects of a high yield, automatization, large scale, low cost, convenient carry and storage, small dose and low side-effect.

The invention belongs to the Internet of things technology field and especially relates to an Internet of things remote control terminal and a control method. The terminal and the method have the advantages that a built-in Internet of things firewall unit is arranged to block a malicious attack and filter a redundant data packet; through configuring the Internet of things built-in firewall, different ports are filtered and data transmitted by different communication modes is distinguished to achieve safe and efficient information transmission; and the Internet of things firewall has two meanings, one is traditional network packet filtering, which is mainly network security protection, and the other one is network packet filtering according to a serial port address and actions, which can protect the privacy and the security of a serial device. The technical obstacle of intelligent network integration can be reduced, the construction time of intelligent network integration can be shortened, construction cost is greatly reduced, the development of the remote control technology of Internet of things is promoted, and the upgrading of related industries is realized.

The invention discloses an integrated experiment device for an electrorotation biological chip experiment. According to the invention, An experiment system comprises a biological chip experiment operation platform, an electrorotation drive power supply, a microscopic camera system composed of an optical microscope amplification device and an industrial camera, a measurement and control device, and an input display device, wherein the measurement and control device is respectively connected with the microscopic camera system, the electrorotation drive power supply and the input display device; and the output end of the electrorotation drive power supply is connected with a power supply connector of the biological chip experiment operation platform. According to the technical scheme, the microscopic camera system and the drive power supply are relatively independent, the special measurement and control device which replaces a conventional PC machine and a capture card integrates the functions of collecting and processing of image information of the microscopic camera system, and controls the microscopic camera system to take images and the drive power supply to output all parameters of signals; and the whole-process automation of the electrorotation biological chip experiment is realized. Therefore, the development requirements of miniaturization, integration and intelligentization of biological chip experiment equipment are met.

The invention discloses a beautifying method based on an air energy jet flow micro penetrating type beautifying device. The beautifying device comprises a mesogun shell, an injector, a key switch, a control cabinet and a driving mechanism and a medicine liquid ejecting mechanism which are mounted on the mesogun shell; the driving mechanism comprises a speed reduction motor, a lead screw, nuts, a nut connection block, a push block and a baffle; the nut connection block is connected with the nuts through a circumferential positioning column, the push block is detachably connected with the nut connection block through a hook, and an injector abutment part is arranged on the upper portion of the push block; the medicine liquid ejecting mechanism is connected with a medicine liquid outlet of the injector, and compressed air of an air compressor is connected with the power input end of the medicine liquid ejecting mechanism. The air energy jet flow micro penetrating type beautifying device is used by adopting the beautifying method, the compressed air is used for pushing the medicine liquid to move at high speed to form spray stream, the medicine liquid permeates into shallow subcutaneous tissue in a non-invasion mode, absorption of the medicine liquid by the skin of the human body is promoted, any damage cannot be caused to the human body, and better treatment effects can be achieved.

The invention discloses a breeding method for transferring a sterile line of three-line hybrid rice by using a Basmati fragrant rice material. According to the method, excellent germplasm resources in the South Asia region are introduced, planting in different regions and different seasons is conducted, tracking improvement is insisted, and the material Pusa derived from an Indian Basmati fragrant rice group is discovered to have good field plant leaf form, good quality, high resistance and certain holding capacity for a wild abortive type sterile line; through continuous multi-generation system selection, a method for searching individual genotype difference from groups is adopted, the screening pressure on large segregation groups is increased, minor restoring genes are eliminated by generations over 8 years, a high-quality maintainer line material Pusa167-12 is identified from the fragrant rice resources in combination with rice quality early-generation screening and taste evaluation, and through continuous pairing backcross with Zhenshan 97A, a high-quality fragrant sterile line Zhongzhe A which has new plant type, good resistance and quality up to ministerial high-quality rice Class 1-2 standards is successfully transferred.

The invention relates a 308 alloy ingot and a preparation method and application thereof. The technical bottlenecked problems that before and after braze welding of conventional 3003 alloy, the strength is low, the pressure bearing value of used products is low are solved. A foundation is laid for production of high-strength composite plates and high-strength fin foils. The aluminum alloy is prepared from 0.2-0.6% of Si, 0.2-0.7% of Fe, 0.3-0.8% of Cu, 1.0-1.5% of Mn, 0.3-0.8% of Mg, 0.1-0.3% of Zn, 0.02-0.06% of Ti, less than or equal to 1.8% of Mn+ Fe, less than 0.05% of single impurities, less than 0.15% of total impurities and the balance of Al. By a strict chemical component control and casting means, the ingot with the specification of 420* 1450* (4000-6450) mm is casted. The 308 alloy ingot is applied to the field of alloy ingots.

The invention provides a differential thermal forming method for preparing a high-strength and high-toughness magnesium alloy. The differential thermal forming method aims at only heating a forming die at the deformation temperature without heating an alloy sample. After heat preservation is conducted for a determined time, an alloy blank at the room temperature is placed in the heated forming die, and stable deformation is achieved. The differential thermal forming method comprises the steps that (1) burdening is conducted; (2) preheating is conducted, specifically, a dried magnesium ingot, tin particles, a zinc block and an Mg-Zr intermediate alloy are preheated for 30-35min at the temperature of 200-250 DEG C; (3) smelting and casting are conducted, and a cast alloy is obtained; (4) heat treatment is conducted and comprises solution treatment and aging treatment; (5) and (6) extrusion forming is conducted; and (7) and (8) differential thermal equal-channel corner extrusion forming is conducted. The forming method serves as the core, and differential thermal equal-channel corner extrusion stable forming is successfully achieved. The tensile strength of the alloy exceeds 300MPa, the ductility is close to 30%, excellent comprehensive mechanical performance is obtained, and good strength and plasticity matching is achieved.

The invention discloses a living stump-living plant reinforced soil slope supporting structure. The living stump-living plant reinforced soil slope supporting structure involves living stumps, livingplants, timber piles, reinforced bamboo chips and turves, wherein the live stumps and the timber piles are arranged at the position of a slope leg wire of a side slope, the timber piles are arranged between the adjacent living stumps, the living plants and the reinforced bamboo chips are horizontally laid in a layered mode in the soil slope filling process, the reinforced bamboo chips are arrangedbetween the adjacent living plants, and the turves are laid on the surface of the side slope. According to the slope supporting structure, the replacement of the anchoring effect of a horizontal living plant root system of a slope body and the reinforced effect of the bamboo chip (or straws) are ingeniously achieved, meanwhile, the replacement of the anti-sliding effect of a slope leg wire livingstumps and the anti-slide effect of the timber piles are achieved, traditional building materials such as concrete and reinforcing steel bars are not used in the whole life cycle of the slope, and the slope supporting structure is completely ecological. According to the living stump-living plant reinforced soil slope supporting structure and the construction method thereof, the structure is easyto construct, low in cost, easy to popularize, low in cost, capable of beautifying the environment, ecological, environmentally friendly, high in adaptability and easy to popularize.

The invention provides a table tennis bat. The bat comprises a bat body, a handle, a gasket and bolts. The bat body comprises an inner layer and an outer layer. The inner layer is formed by bonding at least two layers of wooden boards, and the outer layer is made of a bamboo board. The bottom of the bat body is provided with a first threaded connecting hole, and a plurality of second threaded connecting holes are formed in the circumferential direction of the first threaded connecting hole. A plurality of notches are formed in the front end surface of the handle, and the handle and the bat body are in threaded connection. The gasket is sleeved on the handle and provided with a plurality of lugs clamped in the notches, and a plurality of through holes for connecting are formed in the circumferential direction of the gasket. The bolts penetrate the through holes to be in threaded connection with the bat body. The bat can not only achieve the replacement of various handles to meet various demands of people for various weights of the handles, but also achieves great elasticity by selecting the bamboo board, and the ball hitting strength is improved.

The invention discloses an air energy jet flow micro inflow type cosmetic instrument. The instrument comprises a mesogun shell, an injector, a key switch, a control cabinet, a driving mechanism installed on the mesogun shell and a liquid medicine injection mechanism. The control cabinet comprises an equipment cabinet, and an air compressor and a controller which are arranged inside the equipment cabinet; the driving mechanism comprises a gear motor, a lead screw, a nut, a nut connecting block, a push block and a baffle, the nut connecting block is connected with the nut through a peripheral positioning column, the push block is detachably connected with the nut connecting block through a clamping hook, an injector abutting portion is arranged at the upper portion of the push block, a liquid medicine outlet of the injector is connected with the liquid medicine injection mechanism, and compressed air of the air compressor is connected with the power input end of the liquid medicine injection mechanism. The compressed air is used for pushing the liquid medicine for high-speed motion to form spray steam, liquid medicine permeates the shallow layer subcutaneous tissue in a non-invasion mode, liquid medicine absorption of human skin is promoted, no damage is caused to the human body, the injection amount of the liquid medicine and the injection treatment area can be controlled, and the better treatment effect is achieved.

The invention provides a method for packaging a cigarette carton through non-woven fabric and a cigarette carton packaging machine based on the method. The cigarette carton packaging machine is provided with a rack, a control box, a packaging, sealing and cutting platform, a cigarette side pushing device, a cigarette pressing device, a lower movable ultrasonic device of a movable multi-cutter sealing and cutting device, a tension detection roller set, a fabric pulling roller set and an unwinding roller are arranged on the rack, the cigarette side pushing device running in the horizontal direction is arranged on the right side of the packaging, sealing and cutting platform, two guide columns are arranged on the front side and the rear side of the packaging, sealing and cutting platform, guide sleeves are arranged on the guide columns in a penetrating manner, the guide sleeves are arranged on an upper movable sealing and cutting device of the movable multi-cutter sealing and cutting device, an up-down movable sealing and cutting driving air cylinder is arranged on the upper movable sealing and cutting device, the sealing and cutting driving air cylinder is arranged on the rack, and the cigarette pressing device running in the up-down direction is arranged above the left side of the packaging, sealing and cutting platform. Upgrading that the non-woven fabric is used for replacing a PE shrinkable plastic film to package a cigarette packet is achieved, and contributions are made to restraining white pollution and promoting environmental protection.

The invention provides a double-rotor sealed cavity volume circulated increasing and decreasing device which is mainly characterized in that an inner rotor is a cylinder. Two sets of bearing and sealing device assemblies matching the inner rotor are arranged on two ends of the axis of the cylinder, and are respectively arranged on left and right end caps. The outer diameters of cylindrical sleeve rings are the same with the inner diameters of the ends of the outer rotor. The outer sides of the cylindrical sleeve rings statically match the inner sides of the ends of the outer rotor. Two inner sleeve rings of the outer rotors are respectively fixed on two ends of the axis of the outer rotor. The inner sleeve rings of the outer rotor and two matching sets of bearings are arranged on two ends of the axis of the cylinder. The axis of the inner rotor is parallel to but not coaxial with that of the outer rotor. The device has the advantages that rotor vane radial edge, outer rotor inner side wall, and inner rotor inner wall are not abraded, such that service life is long; pressure of liquid outputted by a pump can be increased by more than 3 times than that of a traditional vane pump; torque outputted by a motor can be increased by more than 3 times than a traditional vane motor. The device is used in the field of liquid pump, hydraulic motor or internal combustion engine manufacturing.

The invention provides FC(fiber channel)-AE(avionics environment)-1553 interface sensor equipment and relates to interface sensor simulation equipment, aiming at simulating a sensor NT terminal in an FC-AE-1553 simulation verification system. An SOPC (system on programmable chip) system is constructed inside a programmable logic device of the FC-AE-1553 interface sensor simulation equipment, and an NIOS (national institute of open schooling) II processor, an optical fiber interface module and a high speed / low speed interface control module are bridged on an AVALON bus. The NIOS II processor is used for sending a control command to the optical fiber interface module and the high speed / low speed interface control module. The high speed / low speed interface control module is used for carrying out data interaction with a sensor by virtue of an internal bus of the simulation equipment. The optical fiber interface module is used for coding data transmitted by the sensor and sending the coded data to other FC-AE-1553 equipment by virtue of a photoelectric / electro-optic conversion module and also used for receiving data from other FC-AE-1553 equipment by virtue of the photoelectric / electro-optic conversion module, carrying out decoding and CRC (cyclic redundancy check) check on the data and transmitting the data to the NIOS II processor. The FC(fiber channel)-AE(avionics environment)-1553 interface sensor equipment disclosed by the invention can be widely applied to development of sensor equipment which supports the FC-AE-1553 protocol in an aviation electronic system.

The invention discloses a power reversing control system. The power reversing control system comprises a hollow telescopic cylinder type independent motion combined oil cylinder, a multifunctional manual-electric integrated rotary control valve, a clutch pedal, an electric appliance wiring harness, an intermediate relay, a hydraulic source supply system, a filtering device and an enclosure auxiliary part. As for an electro-hydraulic control reversing system for a tractor, numerous complicated operation actions of an operator in the reversing process are carried out in an electro-hydraulic modethrough program calculation and control, so that high sensitivity is achieved, reversing is quick and stable, the system replaces a driver for operation, and the problems of mechanical failures and low efficiency caused by poor coordination, improper operation, misoperation and the like are solved. A control means is provided for intelligent machines through combined usage of mechanical, electricand hydraulic modes, the defect that a current manual operation structure cannot achieve electric control or man-machine combination is overcome, and the remarkable characteristic of the power reversing control system is that the tractor can be upgraded and updated with small cost, and accordingly social resources are obviously saved.

The invention relates to an artificial intelligence engine based on AI Designer, which is an algorithm for completing decision making and configuring an optimal path decision through the situation of a game world and player input. And artificial intelligence path planning can be carried out in a GOAP mode. Therefore, the updating of the artificial intelligence engine can be effectively realized for the mobile game, and the execution effect is more real and efficient. The development cost of a single product can be reduced, and the reuse of multiple products is realized. The operation load of artificial intelligence is reduced, the CPU utilization rate is reduced to 1 / 3, the memory space can be reduced to 1 / 2, the coverage rate of various middle-end and low-end mobile devices can be increased by 60%, and the user cardinal number and the user perceptibility are improved. The method can be realized by matching with various conventional programming tools, and is convenient for developers to adjust and use.

The invention provides a digital die cutting material part, which comprises a printing carrier, mark points and printing patterns, the mark points and the printing patterns are arranged on the printing carrier, and the mark points are arranged on the edge area, not covered with the printing patterns, of the printing carrier; and the mark points are not black. According to the digital die cutting material part provided by the invention, the problem that black mark points are carbonized after gold stamping and are difficult to recognize is solved, effective recognition of the mark points is guaranteed, and therefore a foundation is laid for accurate die cutting of a die cutting object.

The invention relates to a chemiluminiscence detection kit for detecting a swine foot-and-mouth disease O-type antibody by using multi-epitope tandem protein and belongs to the technical field of biology. The kit comprises a chemiluminiscence plate coated with M2 antigen, an enzyme-labeled secondary antibody, serum diluent, 20*PBST washing solution, positive control serum, negative control serum,chemiluminiscence substrate solution A and chemiluminiscence substrate solution B, wherein the M2 antigen is distinguishable multi-epitope tandem protein, and the multi-epitope tandem protein is obtained by connecting identification epitopes of different isolates in three topological types of the O-type foot-and-mouth disease in series, and the differential epitope is amino acid at the 140-154 position of a G-H ring. The kit has advantages of high sensitivity, good specificity, good broad spectrum, no cross reaction with immune A-type and Asia 1-type monovalent vaccine serum, simple operation,short reaction time, and good application prospect in foot-and-mouth disease O-type antibody detection.

The invention discloses a 360-degree omni-directional laser scanning slewing mechanism device and a scanning method, which belong to the technical field of machinery. The top face of the rotary platform is connected with a laser distance measuring sensor, a second laser distance measuring sensor and a third laser distance measuring sensor, the laser distance measuring sensor, the second laser distance measuring sensor and the third laser distance measuring sensor are fixed at 120 degrees, the rotary platform is connected with a support through a supporting shaft, and the support is connected with a gear motor. An output shaft of the gear motor is connected with the disc which is connected with the rotary connecting rod, the other end of the rotary connecting rod is connected with the rotary platform, and the gear motor drives the rotary connecting rod of the rotary mechanism to enable the rotary platform to rotate back and forth through the rotary connecting rod. A slip ring is omitted, the mechanical structure is simplified, the reliability of the device is improved, the scanning mechanical structure of the laser distance measuring sensor can be simpler under the condition of the same motor rotating speed, the circuit connection is high in reliability, and the updating of laser scanning equipment is realized.