46results about How to "Guaranteed precision" patented technology

The invention provides an optimal configuration method for water and soil conservation engineering, biology and farming comprehensive measures in an ecologically fragile area. The engineering, biology and cultivation comprehensive measure optimal configuration method for water and soil conservation in the ecologically fragile area comprises the following steps: a, area division and evaluation: dividing the area into different functional areas including a slope top, a slope middle, a slope toe, a channel and the like according to the terrain, soil, climate and hydrological conditions of the ecologically fragile area, and dividing according to different gradients; according to the engineering, biological and farming comprehensive measure optimal configuration method for water and soil conservation in the ecologically fragile region, the water and soil conservation capability of the ecologically fragile region is remarkably improved by comprehensively applying engineering measures, biological measures and farming measures, and the water and soil conservation capability of the ecologically fragile region is improved through accurate region division and evaluation. Differentiated engineering facility planning and vegetation seed selection are adopted for areas with different slopes, water and soil loss can be effectively reduced, an intelligent monitoring system is used for maintaining facilities for a long time, and therefore adverse effects of climate changes and the external environment are avoided.

The invention discloses a connecting structure and a connecting method of an adjustable prefabricated reinforced concrete beam column, a straight thread reverse thread sleeve is directly pre-buried in the prefabricated reinforced concrete beam during factory prefabrication, and no steel bar is exposed at the beam end. The pre-embedded sleeve is reserved on the prefabricated reinforced concrete column, correction of horizontal and vertical installation deviation in the installation process is facilitated, correction of installation deviation in the beam-column connection axis direction is guaranteed through the adjustable connecting piece, and connection length deviation, horizontal deviation and vertical deviation at the joint can be adjusted within a certain range. After a plurality of in-beam longitudinal bars are anchored through the end plates, the in-beam longitudinal bars are converted into a small number of pre-buried straight-thread reverse-thread sleeves, the number of connecting pieces is greatly reduced, and the workload and difficulty of site prefabrication, installation, construction and alignment are remarkably reduced.

The invention discloses a liver function biochemical composite quality control product as well as a preparation method and application thereof. The quality control product comprises 12 analyte raw materials and the following non-analyte raw materials: 5 to 12 g / L of sodium chloride, 0.5 to 2 g / L of casein sodium salt, 5 to 20 g / L of mannitol, 0.05 to 0.2 g / L of Tween 20, 1 to 20 mg / L of bright aprotinin, 10 to 60 g / L of trehalose and 0.05 to 0.2 g / L of PC300. And matrix liquid: 20-80% of quality control substance matrix liquid and 20-80% of buffer solution. The liver function biochemical composite quality control product disclosed by the invention has high compositing property, contains 11 important liver function biochemical indexes, is excellent in component uniformity and stability, ensures the precision of each index, and meets the requirements of daily quality control.

The present invention relates to the technical field of indexing turntables, and discloses an ultra-precision five-axis tilting CNC indexing turntable. The present invention comprises: a spindle box, a turntable drive assembly is arranged on the driving shaft of the spindle box, the turntable drive assembly comprises a housing, a shaft rotatably mounted in the housing, a worm gear sleeved on the shaft, and a workbench arranged at the top end of the shaft, a precision worm mechanism for driving the worm gear and a motor for driving the precision worm mechanism are arranged in the housing; the precision worm mechanism comprises a main worm rotatably mounted in the housing and axially movable and meshing with the worm gear, a slide cylinder is arranged at one end of the main worm, an axially movable adjusting rod is arranged in the slide cylinder, and a slider is arranged at one end of the adjusting rod in the slide cylinder. The present invention can allow the worm to automatically move axially when wear occurs between the transmission teeth of the worm gear, so as to achieve precise meshing with the worm gear, thereby ensuring the accuracy of the indexing turntable.

The invention discloses a correction method for slope radar monitoring data. The correction method comprises the following steps: fitting to obtain a fitting function calculation model between the coordinate offset of a slope radar and the offset monitoring duration; counting slope monitoring time points corresponding to monitoring of the slope radar on the to-be-monitored area of the surface mine each time, and forming a slope monitoring time axis and slope monitoring data; counting the time point of each time of displacement monitoring of the side slope radar by the GNSS displacement detector, forming a monitoring time axis of the mine displacement, and calculating the coordinate offset of the side slope radar obtained by the displacement monitoring of the GNSS displacement detector; determining the displacement starting time of the slope radar in combination with the coordinate offset monitored by the GNSS displacement detector and a fitting function calculation model, calculating the radar displacement duration, calculating a coordinate offset coefficient corresponding to a slope monitoring time point in the radar displacement duration, and performing coordinate correction on the monitoring point; according to the invention, the correction accuracy of the radar image and the slope deformation identification accuracy are improved.

The invention discloses a sodium carbonate alkali melting method for measuring multiple elements of soil or sediment, which comprises the following steps: selecting anhydrous sodium carbonate as a flux, putting the flux and a substance to be measured into a platinum crucible, transferring into a muffle furnace for heating, taking out, rotating, shaking and shaping, putting into tap water at room temperature for cooling, adding deionized water, heating for pyrolysis, and filtering to obtain a filtrate; soaking overnight for 24 hours, fully stirring with a plastic rod, washing with deionized water, dropwise adding 2ml of diluted hydrochloric acid, heating at low temperature, mashing fallen substances, stirring, adding nitric acid-hydrochloric acid mixed acid, dissolving, transferring, fixing the volume, uniformly shaking, filtering, directly measuring the boron element, and detecting on a machine after measuring that other elements are diluted by a proper multiple.

The present invention provides a motor control method, which includes: a step of calculating an ideal position of a motor rotor based on a Hall sensor signal; a step of calculating a current position of the motor rotor based on a rotation speed of the motor rotor; and a step of calculating a difference between the ideal position of the motor rotor and the current position of the motor rotor as a Hall sensor deflection angle.

The invention relates to the technical field of tool conveying, and discloses a tool trolley and a tool trolley positioning assembly. The tool vehicle comprises a carrying platform used for carrying parts; the mounting positions are distributed on the carrying platform at intervals; the multiple first limiting structures are arranged on the mounting positions correspondingly, and at least one placement area is formed among the multiple first limiting structures; the part can be placed in the placing area, and the peripheral side of the part abuts against the first limiting structures so that the multiple first limiting structures can limit the part. When a part is placed in the placing area, multiple positions on the peripheral side of the part can abut against the multiple first limiting structures, so that the part is limited, displacement of the part on the carrying platform during transportation is avoided, and it is ensured that the position of the part on the tool vehicle is fixed; therefore, the in-place precision of the part transported by the tool vehicle when the part reaches the next station is ensured.

A coke oven cross brace correction method is characterized by comprising the following steps of a, manufacturing a correction support of a coke oven cross brace, b, arranging a groove and a notch of an H-shaped steel support on the two sides of a deformation part, c, arranging a jack between a cross beam and the deformation part of the cross brace, d, baking the deformation part of the cross brace, applying pressure by using the jack at the same time, and e, keeping the posture of the H-shaped steel bracket during the cooling period of the cross brace, and removing the H-shaped steel bracket after the temperature is reduced to normal temperature to complete the correction of the coke oven cross brace. The coke oven cross brace correction method has the advantages that the profile steel is used as the main frame, correction can be realized by matching with the jack, the manufacturing is simple, the correction operation is safe and convenient, and the cost is low.

The utility model relates to the technical field of eccentric wheel machining, in particular to an eccentric wheel and bearing machining device which comprises a base table, a press-fitting base, a welding base and a tool base, the press-fitting base and the welding base are detachably assembled on the base table, the tool base is assembled on one side of the press-fitting base and on the base table, and a positioning frame is arranged between the press-fitting base and the tool base. A positioning clamping handle is slidably connected to the positioning frame, a cam and a shaft are installed through the arrangement of the tool base, a workpiece to be assembled is placed in the press-fitting base, the workpiece placed in the press-fitting base is positioned through the positioning clamping handle slidably connected to the positioning frame, and the accuracy of workpiece positioning is guaranteed; and then the cam and the shaft which are assembled in the tool base are installed on a workpiece in the press-fitting base, then the workpiece is placed on the welding base to be welded, and a set of in-place sensors are symmetrically arranged on the two sides of a workpiece groove so as to detect whether a product is in the workpiece groove or not.

The present invention is designed to be a sorting machine for testing electronic components. The present invention is a sorting machine for testing electronic components, characterized in that it includes: a vibration-proof frame, which is separated from the base and moves relatively with respect to the base to suppress the influence of the vibration of the base on the electrical connection between the electronic components and the test socket; a vibration absorber, which is clamped between the vibration-proof frame and the base, thereby minimizing the transmission of the vibration of the base to the vibration-proof frame; a connector, which is arranged on the vibration-proof frame and electrically connects the electronic components and the test socket; a receiver, which supplies the electronic components to be tested to the test socket, or recovers the electronic components that have been tested; and a controller, which controls the connector and the receiver, wherein the test socket is arranged on the vibration-proof frame. According to the present invention, the transmission of vibration can be minimized, so the electrical connection between the electronic components and the tester and the precision of the connection can be maintained, and ultimately the reliability of the test results can be improved.

The utility model discloses a motor iron core laser welding machine with an automatic flexible correcting device, which comprises a machine frame, a rotary welding base is arranged on the machine frame, a plurality of iron core welding placing assemblies are uniformly arranged on the rotary welding base, and the iron core welding placing assemblies are arranged on the machine frame. According to the iron core welding and placing assembly, a telescopic shaft is arranged on a rotary welding base in a penetrating mode through a sleeve shaft, a butt joint disc is fixedly arranged at one end of the telescopic shaft, a buffer spring is arranged between the butt joint disc and the sleeve shaft, a motor iron core placing frame is arranged at the upper end of the butt joint disc, and an air expansion shaft is arranged in the middle of the interior of the motor iron core placing frame. The objective condition of batch and efficient welding of motor stator iron cores is achieved, the device is designed to be in a multi-station mode, and the problem that original production capacity is low is solved in an automatic rotating mode in the online pressurizing and pressing state. The rotary welding base is provided with a buffer spring, so that the damage caused by the pressure on the base is ensured in a pressure maintaining state.

The invention belongs to the technical field of airplane coating repairing, and particularly relates to an airplane coating precision repairing method based on 3D visual data, which comprises the following steps: shooting a workpiece needing coating repairing to obtain an RGB image, and converting the RGB image into a point cloud picture; after the point cloud picture is processed, a 3D model of a workpiece needing coating repairing is obtained, spraying distance parameters are set, a robot track is generated, path simulation is conducted on the track, if simulation is free of interference, an online laser scanner is arranged to run according to the robot track, secondary detection and positioning are conducted on the surface of the workpiece needing coating repairing, and then the workpiece needing coating repairing is obtained. Acquiring spatial position data of a to-be-restored area; the industrial personal computer generates a robot path middle point according to the spatial position data of the area needing to be sprayed and associates the robot path middle point to an I / O control instruction of the robot; spraying parameters are input into the robot, after a robot motion program is generated, the complete robot track is simulated again, and if simulation is free of interference, the complete robot track is imported into a robot controller to execute spraying.

The utility model discloses a steel rail welding flaw detection device and a steel rail welding detection system, the steel rail welding flaw detection device is used for detecting the welding quality of a steel rail, the steel rail welding flaw detection device comprises a mounting module and a flaw detection module located below the mounting module, and one side of the mounting module relative to the flaw detection module is used for being mounted to a mounting position; a driving module electrically connected with the flaw detection module is arranged, the flaw detection module comprises a first flaw detection module and a second flaw detection module, a gap is formed between the first flaw detection module and the second flaw detection module to form a flaw detection area, and the first flaw detection module and the second flaw detection module are both electrically connected with the driving module; and the driving modules can synchronously move along opposite directions under the driving of the driving modules. Compared with the prior art, the steel rail flaw detection device can detect flaws on the two sides of a steel rail, so that the precision of flaw detection results is ensured, and meanwhile, the automation of flaw detection can be realized.

The utility model discloses a dynamic balancing device, which relates to the technical field of generators and comprises a first extension shaft used for connecting a high-speed testing machine; the first extension shaft and the second extension shaft are used for being correspondingly connected with the two ends of the exciter rotor respectively; the transition disc is provided with at least two spigots along the axial direction of the transition disc, one spigots is connected with the first extension shaft or the second extension shaft, and the other spigots are used for being connected with the corresponding end of the exciter rotor; and the at least three groups of fasteners are used for connecting the exciter rotor between the first extension shaft and the second extension shaft through the transition disc. According to the dynamic balance device, the actual high-speed operation condition of the exciter rotor can be simulated, the correction accuracy is improved, and the service life of the exciter rotor is prolonged.

The invention belongs to the technical field of machine tool spindles, and particularly relates to a water suspension spindle structure with an external throttler for a machine tool, a spindle body penetrates through a spindle box body and is rotatably connected into the spindle box body, an air inlet rear cover and a water inlet rear cover are detachably connected to the spindle box body, and the air inlet rear cover is arranged between the spindle box body and the water inlet rear cover; a rear floating disc locking nut is in threaded connection with the main shaft body, a rear floating disc body is arranged between the rear floating disc locking nut and the main shaft body, a plurality of axial throttlers and radial throttlers are arranged on the air inlet rear cover in the circumferential direction, a hydraulic water inlet is formed in the water inlet rear cover, and the air inlet rear cover is provided with annular grooves communicated with the axial throttlers and the radial throttlers. The spindle box body is simple in structure, reliable in control and simple in using method, under the action of throttled water pressure, the spindle box body suspends the spindle and the rear floating disc, constraint on the spindle is formed, and therefore the rotating precision and stability of the spindle are guaranteed, and the precision of parts produced and machined by a machine tool can be further guaranteed.

The invention discloses an electromechanical equipment monitoring system based on the Internet of Things, and relates to the technical field of electromechanical equipment monitoring, the electromechanical equipment monitoring system comprises a data acquisition module, a data processing module, a comprehensive evaluation prediction module and an optimization adjustment module, and operation data of electromechanical equipment are remotely acquired in real time through the data acquisition module based on the Internet of Things. The operation data comprises the power, the load and the temperature of the electromechanical equipment during operation, the data processing module is used for preprocessing the collected operation data, the comprehensive evaluation and prediction module is used for outputting an operation state evaluation value JDY and an early warning maintenance value WJ of the electromechanical equipment, the operation state evaluation value JDY and the early warning maintenance value WJ are input into the optimization and adjustment module, and the optimization and adjustment module is used for performing optimization and adjustment on the operation state evaluation value JDY and the early warning maintenance value WJ. According to the method, the maintenance adjustment factor TY is output, and the parameter values of the load and the power in the current operation state of the electromechanical equipment are adjusted based on the maintenance adjustment factor TY, so that production interruption and safety accidents caused by faults of the electromechanical equipment are avoided, and the reliability and the safety of operation and use of the electromechanical equipment are further improved.

The utility model discloses a cone shaft body edging clamp which comprises a clamp body, the clamp body comprises a positioning end and a clamping end, the clamping end comprises a positioning groove used for positioning the clamp, the positioning groove comprises a groove bottom, a first groove wall and a second groove wall, the first groove wall is provided with a positioning step, and the second groove wall is provided with a positioning hole. A positioning hole is formed in the first groove wall, a positioning pin capable of being adjusted in the axis direction of the positioning hole is coaxially arranged in the positioning hole, a limiting screw hole is further formed in the second groove wall, a limiting bolt is arranged in the limiting screw hole, a positioning block is further detachably arranged between the positioning step and the positioning pin, and a limiting groove is formed in the side, close to the first groove wall, of the positioning block. And the other side of the positioning block is in clearance fit with the positioning pin. According to the scheme, the two end faces of the product do not need to be punched, on one hand, the machining precision of the product is guaranteed, on the other hand, subsequent machining procedures are reduced, and machining efficiency and machining precision are improved.

The invention belongs to the technical field of grinding fluids, and particularly relates to a grinding fluid for oxide ceramic precision machining, which is prepared from the following materials: diamond particles, white mineral oil, kerosene, palmitic acid, peanut oil, oleic acid, a lubricating additive and a pH regulator, the mass ratio of the diamond particles to the white mineral oil to the kerosene to the palmitic acid to the peanut oil to the oleic acid is (1-10): (400-500): (250-320): (200-300): (300-320): (230-300), and the pH regulator is 1-10: (400-500): (250-320): (200-300). The grinding fluid for oxide ceramic precision machining has the beneficial effects that the pH value of the mixed solution can be adjusted by arranging the pH regulator, the mixed solution can be conveniently controlled to meet the preparation qualification requirement, the overall quality of the grinding fluid is guaranteed, and meanwhile, by arranging the auxiliary mixing equipment, the grinding fluid can be well mixed, so that the grinding fluid is convenient to use. The device can assist diffusion and mixing of materials, guarantees the mixing effect, guarantees the distribution uniformity of subsequent grinding liquid materials, and guarantees the precision of the grinding liquid materials.

The invention discloses a precise circuit board and a manufacturing method thereof, and relates to the technical field of electronic additive manufacturing. The method comprises the following steps: forming a photosensitive activatable catalyst layer on an insulating substrate; forming a light-transmitting and positive photoresist layer on the catalyst layer; performing integrated exposure treatment on the photoresist layer and the catalytic layer under the photoresist layer based on the target circuit pattern; developing the photoresist layer to form a groove which exposes the activation part of the catalyst layer; and performing plating treatment based on the activation part of the catalyst layer to obtain a groove beam type conductive circuit. The photosensitive composite structure is formed by the photosensitive activatable catalyst layer and the transparent and positive photoresist layer on the photosensitive activatable catalyst layer, so that selective activation of the catalyst layer and selective degradation of the photoresist layer can be completed in synchronous exposure treatment of the photosensitive activatable catalyst layer and the transparent and positive photoresist layer, and then the beam type groove can be obtained by developing the photoresist layer. And finally, a groove bundle type conductive circuit can be obtained through plating, so that the yield and the quality of the circuit board are effectively improved.

The utility model discloses a jib sliding mechanism with limit, a jumbo chassis and a drill jumbo, the jib sliding mechanism comprises a bottom plate, a slide rail arranged on the bottom plate and a sliding platform connected to the slide rail in a sliding mode, the jib sliding mechanism is characterized by further comprising a limit mechanism, the limit mechanism comprises a limit rod and a limit hole, and the limit rod has a stroke of reciprocating displacement; one of the limiting rod and the limiting hole is arranged on the sliding platform, and the other one of the limiting rod and the limiting hole is arranged on the sliding rail or the bottom plate; and when the sliding platform slides to a preset position, the limiting rods are embedded into the limiting holes. The sliding platform is applied to the field of tunnel construction, when the sliding platform slides to a preset position, the limiting rod can be embedded into the limiting hole, then the sliding platform is fixed to the sliding rail, it is guaranteed that the sliding platform does not deviate or shake when the cantilever crane works, and therefore precision and safety of construction are guaranteed, cost is low, and operability is high.

The invention discloses a quick sealing joint device which comprises a handle, a pressing block is arranged below the handle and located in the handle, the pressing block comprises two sealing assemblies, each sealing assembly comprises a first O-shaped ring and a second O-shaped ring, the first O-shaped ring is located at the position, close to the top, of the outer wall of the pressing block, and the second O-shaped ring is located at the position, close to the top, of the outer wall of the pressing block. The second O-shaped ring is located at the position, close to the bottom, of the outer wall of the pressing block, and the sealing assembly is attached to the inner wall of the handle. According to the quick sealing joint device provided by the invention, air enters from the air inlet hole B of the handle, so that the pressing block moves downwards, the rubber pad is compressed, the rubber pad is deformed under stress, the inner diameter is bulged, and a tested piece is fixed and sealed; air enters the handle air inlet A, the sample piece cavity is inflated to a certain pressure, the test purpose is achieved, the first O-shaped ring and the second O-shaped ring are adopted, a gap between the pressing block and the handle in the air inlet process can be well sealed, air leakage can be well prevented, and the precision in the detection process is guaranteed.

The utility model discloses a guide plate structure of a plate shearing machine, and relates to the technical field of plate shearing machines. The steel coil processing device comprises a processing part, wherein the processing part is used for preprocessing a steel coil; the limiting part is installed at the center of the top of the processing part, and the limiting part can position the steel coil; when the processing part works, the limiting part assists the processing part. The limiting part is arranged, specifically, the bidirectional screw is rotated to rotate clockwise, the rectangular sliding blocks are driven to move along the cylindrical sliding rails through threaded connection of the bidirectional screw and the rectangular sliding blocks, the two rectangular sliding blocks both drive the rectangular sliding plates with the tops fixedly connected to be close to each other, and the two rectangular sliding plates are driven to move along the cylindrical sliding rails. In this way, the movement range of the steel coil can be adjusted by adjusting the distance between the two rectangular sliding plates, so that the steel coil can only move between the rectangular sliding plates, the steel coil is prevented from deviating from the center, and the steel coil cutting precision of equipment is guaranteed.

This application provides a compact polarization filter switching device, belonging to the field of optical and optomechanical technology. Specifically, it includes: a base; a switching frame rotatably mounted on the base, on which a polarizer and a filter are mounted. The axes of the polarizer, the filter, and the rotation axis of the switching frame are parallel and spaced apart, and the polarizer and filter are also spaced apart; a first driving mechanism mounted on the base, used to drive the switching frame to rotate relative to the base, so that the polarizer or filter is located in the optical path of the optical system; wherein, the polarizer is mounted on the switching frame via a rotating ring, and the rotating ring is rotatably mounted on the switching frame via a bearing; the switching frame is provided with a second driving mechanism for driving the rotating ring to rotate, used to adjust the angle of the polarizer. Through the processing scheme of this application, rapid switching of polarization filtering function is achieved, while simultaneously adjusting the angle of the polarizer.

The present invention discloses a motion table for ultra-precision electro-discharge machining, comprising: a support module, which comprises a horizontal base and a gantry support arranged horizontally; an X-axis motion module, which comprises an X-axis base and an X-axis slide assembly that reciprocates along the X-axis direction; a Y-axis motion module, which comprises a Y-axis base and a Y-axis slide assembly that reciprocates along the Y-axis direction, and a working liquid tank is provided on the Y-axis slide assembly; a Z-axis motion module, which comprises a Z-axis base and a Z-axis slide assembly that reciprocates along the Z-axis direction, and an electro-discharge head that extends into the working liquid tank is provided on the Z-axis slide assembly; wherein a pair of X-axis air-floating guide rails are provided on the X-axis base, and a pair of X-axis air-floating block groups that are adapted to the pair of X-axis air-floating guide rails are provided on the X-axis slide assembly. The present invention improves the machining accuracy, system rigidity and stability of the motion table for electro-discharge machining, so that the electro-discharge machining process can be applied to ultra-precision machining of high-performance materials.

The present invention provides a switching mechanism with translation and rotation functions, which is characterized in that it comprises a base, a slide rail, a slider, a support frame, a mounting block, a clamp, an adjusting pad block, a hook block, a mounting plate, a stop block, a fixing part, a rotating shaft, a rotating plate, a limit block, an in-place stop block, a support column, a support plate, a mounting plate, a support block, a positioning block, a positioning pin, and a clamping plate. The support frame is installed with bolts at four corners of the base, a hook block is installed on the upper side of the support frame in one diagonal direction of the base, and an adjusting pad is installed on the side wall of the support frame in another diagonal direction of the base. The slide rail is installed on the base by bolts, the slide rail is installed between the support frames, a slider is installed on the slide rail, and a mounting plate is installed on the slider by bolts, and the adjusting pad is used in conjunction with the stop block; the coordinated use of the in-place stop block and the limit block ensures the in-place accuracy of the angle adjustment of the rotating plate on the mounting plate, which is easy to operate and has a simple structure.

The application relates to the technical field of biology, and particularly relates to a small automatic micro-fluidic PCR instrument and a use method thereof. A temperature control fixing portion and a vortex tube fixing portion are fixed on the side of a substrate. A temperature control body is clamped in the temperature control fixing portion along the vertical direction. A temperature control reaction cavity is arranged at the axial center of the temperature control body. A heating rod and a refrigeration tube are respectively embedded in the peripheral wall of the temperature control body along the axial direction. A reaction tube is sleeved in the temperature control reaction cavity. The top surface of the reaction tube is provided with a sample inlet hole and a sample outlet hole. The vortex tube is clamped in the inner cavity of the vortex tube fixing portion along the vertical direction. The middle part of the vortex tube is a compressed air inlet. The top and bottom parts of the vortex tube are a cold air exhaust pipe and a hot air exhaust pipe respectively. The top end of the cold air exhaust pipe is sleeved with the bottom end of the refrigeration tube. A temperature sensor is sleeved in the wall of the temperature control body along the vertical direction. The output end of the temperature sensor is electrically connected with the controller input end of the compressed air pump connected with the heating rod and the compressed air inlet. The problems of slow temperature control of the PCR instrument and difficult realization of automatic sample feeding are solved.

The present invention discloses a probe card device and a disposable adjustment sheet thereof. The disposable adjustment sheet is an integrally formed one-piece structure and comprises a probe hole and a plurality of first slots arranged parallel to each other. The disposable adjustment sheet is defined with two pre-break lines extending from its two opposite edges to the probe hole respectively, and the two pre-break lines are respectively arranged crosswise with the plurality of first slots. The disposable adjustment sheet can be subjected to force along a direction parallel to any one of the first slots and away from each other on a plane where the disposable adjustment sheet is located, so that the disposable adjustment sheet is broken into two discarded sheets along the two pre-break lines. Accordingly, the disposable adjustment sheet will be constrained and limited by other components, so that in the process of being subjected to force and broken into two discarded sheets, other disposable adjustment sheets will not be displaced, thereby maintaining the overall precision of the probe seat.

The invention relates to the technical field of water-washing-resistant testing, in particular to a water-washing-resistant testing method and application thereof.The water-washing-resistant testing method at least comprises the following steps that 1, a water-washing-resistant testing device is adopted, a filling mold of a filler groove is filled with a sample to be tested, and the sample to be tested is fixed to a slot support; (2) a water pump is started to control water flow pressure, a water supply valve is opened, circulating water in a water storage tank is conveyed through a water conveying pipe, a flowmeter monitors the water flow in the water conveying pipe, and water flow in the water conveying pipe conducts a water-scouring-resistant experiment on the to-be-tested sample in the filling mold through a nozzle; (3) after the water scouring resistance experiment is finished, closing the water pump, stopping water flow conveying, taking out the filler tank, measuring the trace depth of the to-be-tested sample scoured by the water flow in the filling mold, performing parallel test for at least two times, and taking an average value as a test result; the water flow rate in the water conveying pipe is 2.3-2.5 L / min; the water flow pressure is 0.1 MPa, and the water washing resistance of the sealing grease can be accurately and scientifically evaluated.

This application discloses a method, apparatus, equipment, medium, and product for evaluating the effectiveness of transportation and tourism services, relating to the field of intelligent transportation technology. The method includes: acquiring data on first transportation stations, first tourist attractions, and first road network in a target area under a first scenario, and data on second transportation stations, second tourist attractions, and second road network in a second scenario; determining the number of first transportation stations, the proportion of first transfer stations, and a first accessibility index based on the data under the first scenario, and determining the number of second transportation stations, the proportion of second transfer stations, and a second accessibility index based on the data under the second scenario; and determining the effectiveness evaluation result based on the number of first transportation stations, the proportion of first transfer stations, the number of second transportation stations, the proportion of second transfer stations, the first accessibility index, and the second accessibility index. This method can achieve accurate evaluation of the effectiveness of transportation and tourism services.