46results about How to "Real-time observation" patented technology

The invention discloses a seabed sediment classification method and product based on seabed surface sediment acoustic characteristics, and relates to the field of seabed acoustic detection. The method comprises the following steps: firstly, acquiring actual measurement data of seabed sound reflection of a measurement area in a marine environment, and performing inversion to obtain seabed surface sediment characteristic parameters; by analyzing the uncertainty and correlation of the characteristic parameters of the seabed surface sediments, acoustic characteristic parameters of the seabed surface sediments are screened out; constructing a deep neural network model based on the acoustic characteristic parameters of the seabed surface sediments, wherein the deep neural network model comprises a seabed acoustic-physical information neural network model and a sediment attribute prediction neural network model; expanding the training sample set according to the actual measurement data of seabed sound reflection and the acoustic characteristic parameters of the seabed surface sediments, and training and testing the deep neural network model; the trained seabed sediment classification model is adopted to perform seabed sediment classification of the measurement area, fine classification of the seabed sediment can be realized, and classification continuity and classification precision are improved.

The invention provides a near-earth orbit neutron and gamma ray detector group, detection equipment and a detection method, and the detection equipment is a neutron / gamma spectrometer which is small in size, small in mass, low in power consumption and high in speed and is designed based on a multilayer single / double sensitive area Si detector and a cadmium zinc telluride (CZT) detector array. The neutron / gamma spectrometer can serve as an independent load to be carried on a small satellite, and measurement of thermal neutrons, fast neutrons below 20 MeV and gamma rays is achieved. Different layers of the detector group in the detection equipment are matched to form a plurality of anticoincidence groups, so that the accuracy of energy spectrum inversion is improved. According to the detection method, a stacking and discarding algorithm is provided, so that interference caused by signal overlapping is avoided, and the system resolution of the whole neutron / gamma spectrometer is improved.

The invention discloses a power distribution network overhead line single-phase earth fault positioning device and method based on an unmanned aerial vehicle, and belongs to the field of power distribution network unmanned aerial vehicle inspection. Comprising a power supply, an unmanned aerial vehicle and a terminal, and a measuring device and a signal transmission device are assembled on the unmanned aerial vehicle. The power supply is used for outputting a current signal of which the frequency is different from the power frequency to an overhead line, the measuring device is used for detecting a magnetic field signal near the line, the signal transmission device comprises a wireless transmitting module for transmitting magnetic field data back to a ground end and a terminal for receiving the data, and the terminal is used for processing and displaying the transmitted data. According to the invention, the mode of the unmanned aerial vehicle-mounted magnetic field sensor is adopted to replace the hanging line measurement of a traditional clamp current meter, remote non-contact measurement can be realized, the efficiency and safety of fault inspection can be improved, and the adopted high-precision micro-magnetic detection sensor can ensure the measurement precision.

The invention discloses an intelligent edge calculation method for fire target detection, and belongs to the technical field of fire target detection, and the method comprises the following steps: S1, making a fire target detection data set; s2, an improved YOLO-AFPN-LADH-WIOU model is formed, and an improved YOLO-AFPN-LADH-WIOU S3, carrying out evaluation and transverse comparison on the improved YOLO-AFPN-LADH-WIOU model, and carrying out visual analysis on a result; s4, based on the step S3, realizing remote deployment of the basic model on the development board; s5, establishing a connection between the edge detection system and the client monitoring end by using a TCP transmission control protocol so as to perform interaction; and S6, realizing image acquisition and user GUI display. According to the intelligent edge calculation method for fire target detection, the precision, the speed and the breadth of detection are improved, and meanwhile, the real-time performance and the accuracy of fire monitoring and protection in practice are ensured.

The invention belongs to the technical field of saline-alkali soil improvement, and particularly relates to a saline-alkali soil improvement hardening treatment device and method.The saline-alkali soil improvement hardening treatment device comprises a movable cart, the upper end of the movable cart is fixedly connected with a fixing frame, the upper end of the fixing frame is fixedly connected with four electric hydraulic rods, and the lower ends of the four electric hydraulic rods are fixedly connected with a mounting plate; and a soil crushing mechanism is arranged at the lower end of the mounting plate. Through mutual cooperation of a double-shaft motor, a second rotating rod, a first bevel gear and a second bevel gear, the effect of driving a first rotating shaft to rotate can be achieved, and through rotation of the first rotating shaft, under cooperation of a fifth chain wheel and a sixth chain wheel, a second rotating shaft can be driven to rotate; and the hardened soil can be crushed under the action of a crushing roller arranged on the second rotating shaft through rotation of the second rotating shaft, so that the hardened soil can be crushed into small blocks, and subsequent remediation treatment of the hardened soil is facilitated.

The invention discloses a bird bathtub which comprises a bathtub body, an inserting sleeve is arranged on the edge of the bathtub body, a shooting assembly is detachably connected into the inserting sleeve, and the shooting end of the shooting assembly faces the bathtub body; an accessory groove is formed in the center of the basin body, a standing plate is arranged in the basin body, and the standing plate is arranged around the accessory groove. The bird bath has the advantages of being simple in structure, diversified in function and convenient to disassemble and assemble, action pictures of birds in the bird bath can be observed and recorded in real time, and vivid and interesting picture experience is provided for users.

The invention belongs to the technical field of synchrotron radiation technology and laser welding, and discloses a myriawatt laser welding in-situ observation device based on high-energy synchrotron radiation technology, which comprises a laser connected with an incident optical fiber and used for generating laser; and the base comprises a horizontal displacement mechanism, a lifting table and a clamping mechanism, and the clamping mechanism is used for fixing a sample piece to be welded. A relatively closed space is created through the reaction cover, and smoke dust generated by laser welding is pumped away from the top through the dust removal equipment so as to meet the requirement for protecting the in-situ environment; the reaction cover is provided with the high-energy X-ray observation window, the dynamic evolution process of a molten pool and a small hole in the welding process can be recorded in real time through the high-energy X-ray observation system while laser welding is conducted, and therefore the myriawatt-level laser welding molten pool and the small hole can be observed more accurately.

The application is a kind of method for remotely guiding infrared observation equipment to observe target, belonging to the technical field of remote guidance, which comprises the following steps: a remote control terminal locates the observation target and obtains target position information, and then wirelessly transmits the target information to first, second and third infrared observation equipment; the remote control terminal estimates the optimal observation distance based on the estimated size of the target and the field of view angle and resolution of the first infrared observation equipment; the remote control terminal guides the first, second and third infrared observation equipment to move to the optimal observation distance from the target position and to the positions of the three apexes of the inscribed regular hexagon in the circle for cooperative target observation; the remote control terminal remotely controls the real-time adjustment of the direction, position and focal length of each infrared observation equipment based on the video stream images returned by the first, second and third infrared observation equipment. The application is used to remotely and real-timely guide infrared observation equipment to observe the specified target.

The application provides a GNSS-based water vapor networking observation method and system, and relates to the technical field of meteorological observation, comprising obtaining first information and second information; obtaining a first feature vector corresponding to each GNSS receiver; obtaining a second feature vector; determining the correlation degree value of the first feature vector of each GNSS receiver and the second feature vector of the atmospheric water vapor information of a target region; and obtaining atmospheric water vapor information in a future preset time period. Through effective feature extraction and fusion of satellite data and atmospheric water vapor information collected by GNSS receivers in the water vapor networking, the observation of atmospheric water vapor is more accurate and real-time. Through principal component analysis to extract atmospheric influencing factors and combining a feature fusion model, the observation ability of water vapor information under complex atmospheric conditions is enhanced, and the regional atmospheric water vapor change can be observed in real time. Compared with the traditional meteorological observation station, the observation method has significant advantages in spatial distribution and time accuracy.

The utility model belongs to the technical field of wastewater and waste gas treatment, and particularly relates to a wastewater zero-emission flue gas treatment device which comprises a primary waste gas treatment assembly, a secondary waste gas treatment assembly is mounted on one side of the primary waste gas treatment assembly, and a connecting assembly is mounted on the other side of the primary waste gas treatment assembly. The first-stage waste gas treatment assembly comprises an adsorption treatment box shell, an activated carbon containing basket is slidably connected to the interior of the adsorption treatment box shell, a first baffle is fixedly connected to the interior of the activated carbon containing basket, and a second baffle is arranged on the side of the first baffle; the activated carbon is used for adsorbing harmful gas in waste gas, the baffle with a guiding function is arranged, so that the retention time of the gas in the activated carbon is prolonged, the adsorption efficiency of the activated carbon is further improved, and the solution is arranged, so that residual hydrogen sulfide and ammonia gas in the waste gas are conveniently removed through chemical reaction.

The invention discloses a device and experimental method for passive smoking poisoning of rodent experimental animals. The device comprises a lower box, an upper box and a flame retardant plate. The lower box and the upper box are both bottomless boxes made of transparent materials. At least one side of the lower box is provided with a ventilation hole. The top of the lower box is provided with a smoke diffusion part, and the smoke diffusion part is provided with a plurality of diffusion holes for ventilation. The flame retardant plate is used to place the smoke. The lower box covers the flame retardant plate, and the upper box is placed on the lower box and covers the smoke diffusion part. The smoke of the smoke placed on the flame retardant plate diffuses into the upper box through the smoke diffusion part on the top of the lower box. The method uses the device to conduct experiments. The beneficial effects are: it is simple and universal, low in cost, easy to clean, can be flexibly moved, and can be poisoned without an external power supply by relying on the structure of the device. The smoke diffuses evenly, and the animals can move freely and unconstrained when they are passively smoked. At the same time, the animal status can be observed in real time.

The utility model relates to the technical field of cable short circuit, and specifically provides a cable arbitrary point short circuit device comprising a clamping mechanism used for clamping a cable; the sliding frame is arranged on the clamping mechanism in a sliding manner; the locking mechanism is arranged on the sliding frame, acts on the clamping mechanism and is used for restraining sliding between the sliding frame and the clamping mechanism; the telescopic direction of the telescopic mechanism is perpendicular to the clamping direction of the clamping mechanism, and one end of the telescopic mechanism is fixedly connected to the sliding frame; the rotary driving part is mounted at the other end of the telescopic mechanism; the spiral drill bit is coaxially mounted at the output end of the rotary driving part; and the control module is electrically connected with the telescopic mechanism and the rotary driving piece. According to the utility model, the problem that in the prior art, when a nail gun is used for short-circuiting a cable, if short-circuiting deviation occurs, misjudgment of personnel is easy to occur is effectively solved.

This invention discloses a device and method for evaluating the proppant-carrying performance of fracturing fluid with continuously adjustable proppant concentration, relating to the field of oil and gas field production enhancement. The device includes a reactor body. The reactor body is equipped with a stirring assembly, a proppant-adding assembly, a heating assembly, and a visualization window. The proppant-adding assembly achieves quantitative and batch-wise addition of proppant within the high-pressure reactor through a series of upper valves, a proppant-to-be-added section, and a lower valve. The method includes: applying experimental temperature and pressure conditions, initiating stirring to simulate dynamic flow, continuously adding proppant in batches through the proppant-adding assembly, monitoring the proppant status in real time using a vision system, and recording and analyzing data to obtain a continuous proppant-carrying performance curve and a limit proppant-carrying value. This invention solves the problem of existing technologies being unable to conduct continuous gradient testing of proppant concentration under high-temperature and high-pressure dynamic conditions, and can obtain complete proppant-carrying performance data of fracturing fluid from low concentration to limit concentration in one go, with evaluation results closer to actual downhole operating conditions.

The utility model discloses a hook mould structure which is used for locking a mould and comprises a hook mechanism, the hook mechanism comprises a body, a plurality of limiting grooves and a through hole, the limiting grooves are arranged on one side of the body, one limiting groove is clamped at one end of an upper clamping plate at an angle not parallel to a first direction, and the other limiting groove is clamped at the other end of the upper clamping plate at an angle not parallel to the first direction. The other limiting groove edge is clamped at one end of the upper stripping plate at an angle which is not parallel to the first direction, so that the upper clamping plate, the stopping plate and the upper stripping plate are limited by the hook mechanism; the screw hole is formed in one side of an upper clamping plate of the die; the through hole is formed in one side of the screw hole; and the locking mechanism comprises a nut and a screw rod, the nut is fixedly arranged on the side, away from the upper clamping plate, of the screw rod, and the screw rod penetrates through the through hole and is detachably screwed into the screw hole, so that the nut abuts against the outer side wall of the body at the position of the through hole. The hook mold structure is simple, stable and easy to use, mold parts can be rapidly replaced, and operability is improved.

The utility model provides a safety early warning device which comprises a protection box, a safety early warning assembly is arranged in the protection box, an auxiliary reinforcing assembly is arranged on the annular side face of a supporting column, and the device can generate a signal to a programmable logic controller when a thermal infrared human body sensor detects that a person approaches; at the moment, the programmable logic controller can control the audible and visual alarm to send out audible and visual alarm signals to warn people approaching the high-voltage cable through the intermediate relay, so that the people approaching the high-voltage cable are reminded not to further walk into the high-voltage cable to generate dangers, and four groups of adjusting nuts are reversely rotated at equal intervals through an external wrench. The four sets of adjusting nuts further lift the four sets of auxiliary supporting rods correspondingly, the four sets of auxiliary supporting rods conduct auxiliary supporting on the supporting column through the top pin shafts and the top supporting bases, the situation that the supporting column shakes in the using process is avoided, and therefore the using stability of the device is guaranteed.

The utility model relates to the technical field of foam liquid storage tanks, in particular to a foam height real-time monitoring device which comprises a connecting assembly and a monitoring assembly, the connecting assembly comprises a connecting plate, a first through hole is formed in the top of the connecting plate, the monitoring assembly is arranged on the inner wall of the first through hole, and the monitoring assembly comprises a fixing plate. The fixing plate is fixedly connected to the inner wall of the first through hole, a second through hole is formed in the top of the fixing plate, and a fixing shell is fixedly connected to the top of the fixing plate. According to the foam height real-time monitoring device, by installing the monitoring assembly, when a worker injects foam liquid into a water storage barrel, the foam liquid and foam can drive a floating ball to move upwards through buoyancy of the floating ball and a buoyancy plate, a sensing connecting rod can sense the height of the floating ball, then data is transmitted to a sensor, and the sensor is used for sensing the height of the floating ball; and the position meter can display the height of the foam, so that a worker can observe the height of the foam in real time.

An environment detection impurity separation device belongs to the technical field of sewage detection and comprises an impurity separation unit, a plurality of layers of particle size grading units are arranged below the impurity separation unit, a brush body is slidably arranged in an inner cavity of each layer of particle size grading unit, and the brush bodies in each layer of particle size grading unit are uniformly driven by a driving unit. Soil samples with different particle sizes can be obtained in a targeted manner through a one-time impurity separation effect, so that control experiments can be carried out on the soil samples with different particle sizes, and compared with a manner of repeatedly removing impurities for multiple times by replacing sieves with different pore diameters, the steps are simpler, and the operation is more convenient. The limitation that impurity separation equipment can only be used for detecting soil with a single particle size is effectively avoided, soil samples on the upper surface of the first net body of each layer are uniformly discharged, the method is more convenient than a layer-by-layer soil sample collection mode, collection of the soil samples with various particle sizes does not influence each other, and the sampling accuracy of the soil samples with various particle sizes is ensured.

The utility model discloses an urban rail vehicle chassis cavity inspection device, which comprises an inspection vehicle, the inspection vehicle comprises a three-edged vehicle body, three side ridge surfaces of the three-edged vehicle body are respectively arranged as a bottom surface and two side surfaces, and the bottom surface of the three-edged vehicle body is provided with a plurality of driving wheels capable of actively rotating. A plurality of follow-up side wheels are arranged on the side face of each three-edged vehicle body, each side wheel is provided with a spring supporting mechanism used for jacking the side wheel outwards in a protruding mode, and an image collecting unit, a lighting unit and a dust removing unit are arranged on the front end face and the rear end face of each three-edged vehicle body respectively. The device can be well suitable for inspection and cleaning operation of the interior of a V-shaped cavity of an urban rail thorough frame, and can pass through the cavity in a relatively stable operation mode, so that the inspection efficiency is greatly improved, and time and labor are saved.

This utility model provides a fermentation tank for bio-organic fertilizer production, belonging to the technical field of organic fertilizer fermentation tanks, to solve the problems of inconvenient real-time observation of the fermentation process and cumbersome sampling procedures in existing bio-organic fertilizer production fermentation tanks. It includes a fermentation tank body; a feed inlet located on the upper part of the fermentation tank body; an observation window fixedly installed on the front side of the fermentation tank body; a sampling box fixedly installed on the upper part of the fermentation tank body; two sets of sampling clips located inside the sampling box; a sampling port located on the upper part of the fermentation tank body; an observation component located on the front side of the fermentation tank; and a sampling component located inside the sampling box. This utility model has advantages such as real-time observation, reduced pollution, and convenient sampling.

The invention relates to an integrated intelligent environment monitoring system for a farm delivery room, and the system comprises the delivery room which is used for placing to-be-delivered livestock; the duty room is used for temporary living of operators on duty, the delivery room is directly isolated from the duty room through a glass plate, and the operators on duty can check the production state of the to-be-delivered livestock in real time. Through the arrangement of the delivery room, the duty room and the glass plates between the delivery room and the duty room, an operator on duty can clearly observe the production process of to-be-delivered livestock in real time, meanwhile, man-made interference on livestock delivery is reduced to the maximum extent, a quiet and stable delivery environment is created for the operator, and the delivery success rate and the survival rate of cubs are effectively increased.

The invention discloses a mechanical response testing method for a high-temperature superconducting Roebel single belt. The method comprises the following steps: fixing a Roebel single belt sample to be tested after speckle spraying treatment in a tensile testing machine; a mechanical load is applied to the Roebel single-band sample to be tested after speckle spraying treatment, and a load-displacement curve is obtained through a 3D-DIC observation system; determining the macroscopic mechanical properties of the Roebel single-band sample to be tested; the local deformation characteristics of the Roebel single-belt sample to be tested under the mechanical load are obtained; and matching the local deformation characteristics of the Roebel single-belt sample to be tested under the mechanical load with the macroscopic mechanical properties to obtain mechanical responses under different working conditions in the displacement control loading process. By adopting the technical scheme provided by the invention, full-field, real-time and accurate observation of local mechanical behavior characteristics of the structure is realized, and meanwhile, the requirements of high efficiency, simplicity in operation and no limitation to mechanical loading forms and sample morphology are met.

The invention provides a modular satellite structure based on an open type grid framework and a final assembly method thereof, and belongs to the technical field of satellite structures. The problems that according to an existing method, the defects of blind operation and adhesive fixation are not fundamentally eliminated, the cable laying efficiency is low, and the weight of an outer plate is too large are solved. The thermal control protection structure comprises an open type main bearing grid framework and a plurality of thermal control protection outer plates, the open type main force bearing grid framework is a hexahedral cage-shaped framework formed by connecting six plate-shaped grid frameworks in a butt joint mode. The thermal control protection outer plates are arranged on at least one outer side face of the open type main force bearing grid framework. The plate-shaped grid frame is used for installing one side plane of the thermal control protection outer plate, and a force bearing structure of the plate-shaped grid frame is recessed inwards. The method is mainly used in the aerospace field.

The utility model discloses a baffled anaerobic reaction constructed wetland sewage treatment device, which relates to the technical field of sewage treatment and comprises a treatment component and a circulation component. The treatment assembly comprises a mounting table, two anaerobic tanks, two mounting frames, a wetland pool, two sealing covers and two three-phase separator main bodies, the two corresponding anaerobic tanks are arranged on one side of the surface of the mounting table, and the mounting frame is arranged on the inner wall of each anaerobic tank; the device disclosed by the utility model has the beneficial effects that strains are supplemented to improve the fermentation efficiency, the material conveying pump is matched with the collecting box to convey the strains and sludge in the anaerobic box on the right side into the liquid storage pipe through the connecting pipe, and the strains and the sludge are sprayed through the plurality of liquid discharging heads, so that the diffusion efficiency of the strains and the sludge is improved, and the fermentation efficiency is improved; the corresponding strain phase is ensured to have the optimal working activity, and the sewage degradation and purification efficiency is improved by combining with the wetland pool.

The present invention provides a system for measuring phase parameters of hydrocarbon substances in shale in-situ conversion in different formation environments, belonging to the technical field of shale in-situ conversion pyrolysis products, including: shale pyrolysis and product injection system, PVT experiment and heating system, drive and rotation system and integrated control system. The shale pyrolysis and product injection system controls the heating conditions of shale and collects products, the PVT experiment and heating system provides the experimental environment and heats the substances, the drive and rotation system controls the volume of the PVT cylinder and achieves full mixing, and the integrated control system tests the temperature and pressure and controls the experimental conditions. At the same time, the system is also equipped with a microscopic observation and data acquisition system, which can perform microscopic observation of samples and collect data. The integrated system of the present invention can simulate the pyrolysis process of shale under different formation environments and heating conditions, solving the technical problems in the prior art that the in-situ conversion heating conditions are difficult to achieve and the influence of organic matter and heating medium cannot be considered.

The utility model relates to the technical field of hoisting, and particularly discloses an anti-overturning mechanism for paddle hoisting. Comprising at least one pair of balance lifting appliances which are symmetrically arranged, and each balance lifting appliance is composed of a coating structure and a lifting connecting part. The wrapping structure is provided with a wrapping inner cavity matched with the shape of the corner of the bottom of the paddle, and stable wrapping and clamping of the paddle are achieved through a first wrapping side plate, a second wrapping side plate and a bearing bottom plate. The hoisting connecting part comprises a first lifting lug and a second lifting lug which are respectively arranged on the outer sides of the two side plates; and each lifting lug is provided with a mounting hole for mounting an auxiliary hanging tool. By means of the unique double-lifting-point symmetrical design and the wrapping type clamping structure, the problems of overturning and unbalance caused by gravity center shifting in the traditional paddle lifting process are effectively solved, and dynamic gravity center compensation is achieved. And an anti-falling hanging tool, an observation window and a pressure sensing unit are arranged in the mechanism, so that the hoisting safety and controllability are further improved.

The utility model relates to the technical field of biological medicine, in particular to a medicament subpackaging device for biological medicine production, which is internally provided with a main box body, a rotating shaft is rotatably arranged on the upper end surface of the main box body, a rotating wheel disc is fixedly arranged on the outer circular surface of the rotating shaft, a positioning rack is fixedly arranged on the upper end surface of the rotating wheel disc, and a threaded screw rod is rotatably arranged on the upper side of the positioning rack; two sets of thread clamping racks which are opposite in thread and are symmetrical in the left-right direction are arranged on the outer circle face of the thread lead screw, then the thread clamping racks play a role in clamping and fixing, the end faces of the mutually-symmetrical sides of the thread clamping racks are in an arc shape, medicine bottles with different diameters are clamped and fixed at the moment, and therefore the medicine bottles with different diameters can be clamped and fixed. And the end surfaces of the mutually symmetrical sides of the threaded clamping rack are arc-shaped, so that the center of the medicament bottle coincides with the center of the arc, the medicament bottle is further positioned, subsequent medicament split charging is ensured, and the practicability of the device is ensured.

The present invention relates to a large-area online neutron detector and a detection method, which comprises: a sealing port for connection is arranged at the end of an outer shell; an inner core of the neutron detector is arranged inside the outer shell; the inner core of the neutron detector comprises a neutron conversion layer, a high-voltage pole, a position pole and an isolation window; a contact end is arranged at the first end of a multi-channel signal output adapter plate, the contact end is inserted into the sealing port on the outer shell and connected to the position pole of one group of the inner core of the neutron detector located in the outer shell; a multi-channel connector is arranged at the second end of the multi-channel signal output adapter plate as a signal output port of a beam profile monitoring detector; the neutron conversion layer adopts a high-voltage pole, a position pole and an isolation window; a multi-channel signal output adapter plate is connected to the inner core of the neutron detector ... 10 B solid, neutrons pass through the neutron conversion layer and 10 B reacts to produce charged particles. When the charged particles pass through the working gas in the ionization chamber, electron-ion pairs are formed. The electrons or ions are collected by adding a high-voltage electric field to the high-voltage pole to obtain a current signal proportional to the number of neutrons.

The joint mechanism reduction gearbox of the robot comprises a reduction gearbox body, an installation hole is formed in the reduction gearbox body, dustproof plates are fixedly connected to the left side and the right side of the reduction gearbox body respectively, a protection strip is fixedly connected to the outer side of the reduction gearbox body, and the protection strip is fixedly connected to the outer side of the reduction gearbox body. Observation windows are arranged in the middles of the front side and the rear side of the reduction gearbox body, a threading groove is formed in the lower end of the back side of the reduction gearbox body, and a limiting sleeve is fixedly connected to the threading groove. The reduction gearbox body is provided with the mounting holes, so that the reduction gearbox body is more convenient to mount, the heat dissipation grooves are formed in the reduction gearbox body, heat in the reduction gearbox body can be dispersed through the heat dissipation grooves, and the situation that the service life of the reduction gearbox body is shortened due to the fact that the temperature of the reduction gearbox body is too high when the reduction gearbox body is used is prevented; the observation window is arranged on the reduction gearbox body, so that parts in the reduction gearbox body can be observed in real time, and damaged parts in the reduction gearbox can be overhauled in time.

The utility model discloses a precise mechanical part grabbing structure which comprises a supporting assembly, a rotary stretching assembly is fixedly installed on the top of the supporting assembly, an angle adjusting assembly is fixedly installed on the bottom face of the rotary stretching assembly, a telescopic assembly is fixedly installed on the bottom face of the angle adjusting assembly, and a clamping assembly is fixedly installed on the bottom face of the telescopic assembly. According to the device, the problems that an existing grabbing component cannot selectively fix the two ends of a machined product, and the product may slide off due to vibration and the like in the machining process are solved, a bottom supporting plate is arranged, and therefore the two ends of the machined product can be fixed through the bottom supporting plate; the auxiliary clamping device is simple in structure and convenient to use, can be effectively matched with a buffer clamp for use, is matched with product lifting during clamping, prevents downward displacement of a product caused by shaking or vibration during machining, accordingly, machining problems and untight machining are caused, and effectively plays a role in auxiliary clamping.

The invention discloses a non-contact thermal shock high-temperature mechanical testing device, which belongs to the field of high-temperature mechanical performance testing. The device comprises a base, a mechanical experiment module, a middle crossbeam, an outer-cavity upper clamp and a spherical cavity. The spherical cavity is fixed on a guide rail by a cavity bracket, and is provided with an upper pull rod, an upper vacuum bellows, a vacuum gauge, an infrared lamp heating module, a laser heating module, a sample injection door with an observation window, an infrared temperature measurement module, a dynamic testing module, a vacuum exhaust module, an air intake module, a lower pull rod and a lower vacuum bellows. An extensometer, an inner-cavity upper clamp, an inner-cavity lower clamp and a test piece are provided inside the spherical cavity. The device can provide a freely switchable thermal load environment, a vacuum or inert gas environment and a laser thermal shock environment, is easy to assemble and disassemble, and has high flexibility and sealing performance. Dynamic and multi-angle observation can be realized.