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Method, device and equipment for measuring inner contour of plunger piston shoe assembly and storage medium
The invention discloses a plunger piston shoe assembly inner contour measuring method, device and equipment and a storage medium, liquid is added into an inner contour space of a plunger piston shoe assembly, the liquid adding amount in the inner contour space and the pressure in the inner contour space are obtained, and the mapping relation between the liquid adding amount and the pressure is established, the inner contour space comprises a gap between the wrapping and pressing part and the ball head part, a ball head hole and a wrapping and pressing hole; a first area and a second area in the mapping relation are obtained, the first area is used for representing the relation between the liquid adding amount and the pressure when a part of the gap and the ball head hole are filled with liquid, and the second area is used for representing the relation between the liquid adding amount and the pressure when the other part of the gap is filled with the liquid; and establishing a coordinate system, and calculating the inner contour of the wrapping and pressing part according to the physical properties of the liquid, the first region and the second region. According to the method for measuring the inner contour of the plunger piston shoe assembly, the inner contour of the wrapping and pressing part of the plunger piston shoe assembly can be nondestructively detected.
Owner:WEICHAI POWER CO LTD
Method, device and equipment for measuring inner contour of plunger piston shoe assembly and storage medium
The invention discloses a plunger piston shoe assembly inner contour measuring method, device and equipment and a storage medium, the plunger piston shoe assembly inner contour measuring method comprises the following steps: filling the inner contour space of a plunger piston shoe assembly with liquid; liquid in the inner contour space is discharged, the liquid discharge amount in the inner contour space and the pressure in the inner contour space are obtained, and the mapping relation between the liquid discharge amount and the pressure is established; a first area and a second area in the mapping relation are obtained, the first area is used for representing the relation between the liquid discharge amount and the pressure when the liquid in one part of the gaps and the liquid in the ball head hole are discharged, and the second area is used for representing the relation between the liquid discharge amount and the pressure when the liquid in the other part of the gaps is discharged; and establishing a coordinate system, and calculating the inner contour of the wrapping and pressing part according to the physical properties of the liquid, the first region and the second region. According to the method for measuring the inner contour of the plunger piston shoe assembly, the inner contour of the wrapping and pressing part of the plunger piston shoe assembly can be nondestructively detected.
Owner:WEICHAI POWER CO LTD
Grouting body surface roughness measuring equipment and measuring method
The invention discloses grouting body surface roughness measuring equipment and a measuring method, and the equipment comprises a sample forming device which comprises a sample forming box; the liquid injection device comprises a liquid injection container and a connecting pipe, the two ends of the connecting pipe are connected to the sample forming box and the liquid injection container respectively, and first liquid is loaded in the liquid injection container; the measuring device comprises a measuring container and a balance, the balance detects the weight change of the measuring container, and the measuring container is filled with second liquid; and the cooling device is connected with the sample forming box and transmits cold energy. By injecting the first liquid and adopting a cooling condensation mode, the process of actual grouting and waiting for slurry solidification is simulated, the condensation time is shorter so as to save the experiment time, and after the experiment, the sample can be heated to be melted and recycled, the experiment can be repeated for multiple times, and the waste of materials in the experiment process is reduced. Moreover, the second liquid is used for replacing traditional sand, and the second liquid can flow into various tiny gaps, so that the detection precision is higher.
Owner:SUN YAT SEN UNIV
Stator oil hole detection device based on air flow change and detection method thereof
The invention discloses a stator oil hole detection device based on air flow change and a detection method thereof, and aims to provide an efficient, accurate and reliable stator oil hole detection device based on air flow change and a detection method thereof. An oil hole detection device is arranged above the workbench, and a conveying device used for conveying a to-be-detected piece to a detection position is arranged below the workbench. The oil hole detection device comprises a rotating support arranged on the workbench, detection assemblies symmetrically distributed at the two ends of the rotating support, a driving assembly driving the rotating support to rotate, clamping air cylinders evenly and symmetrically distributed in the four directions of the rotating support, and air pressure detection pieces arranged on the clamping air cylinders. The detection assembly comprises a guide disc arranged on the rotating support and a plurality of plug pins evenly distributed on the guide disc, and the rotating support is provided with a displacement groove enabling the plug pins to act synchronously to be inserted into the oil holes. The method is suitable for the technical field of stator oil hole detection.
Owner:XIN ZHI GRP CO LTD
Determining Tip Size in a Phacoemulsification Probe
Apparatus for determining a needle size including a phacoemulsification probe having a distal tip. The probe has an aspiration channel that transfers aspiration fluid from the distal tip and that has a first pressure sensor coupled with the channel, and an irrigation channel that transfers irrigation fluid to the distal tip and that has a second pressure sensor coupled with the channel. A needle-sleeve combination, consisting of a sleeve coaxially surrounding the needle, is coupled with the probe distal tip. A processor acquires from the first pressure sensor a first pressure profile of the aspiration fluid passing the first pressure sensor and acquires from the second pressure sensor a second pressure profile of the irrigation fluid passing the second pressure sensor. The processor formulates a difference between the two profiles, and determines the size of the needle of the needle-sleeve combination in response to the difference.
Owner:JOHNSON & JOHNSON SURGICAL VISION INC
Device and method for measuring cross sectional area of tendon
The invention belongs to the technical field of medical instrument evaluation, particularly relates to a tendon cross-sectional area measuring device and a tendon cross-sectional area measuring method, and provides the tendon cross-sectional area measuring device and the tendon cross-sectional area measuring method on the basis of a volumetric method and a die forming technology. The long and thin cylindrical measuring cylinder is used for containing normal saline, the pressure sensor is used for measuring the hydraulic pressure change caused by the fact that the tendon is immersed in the normal saline, then the liquid volume change is obtained, and the average cross sectional area of the tendon under the corresponding displacement is obtained based on the displacement of the tendon immersed in the liquid. Further, the minimum point of the tendon cross section area is accurately measured, and a reference is provided for a later tensile test.
Owner:SHANDONG INST OF MEDICAL DEVICES & DRUG PACKAGING INSPECTION
High-precision automatic detection equipment and method for collapse amount of upper cover of battery pack of new energy automobile
The invention discloses high-precision automatic detection equipment and method for the collapse amount of an upper cover of a battery pack of a new energy automobile. The equipment comprises a rack, a detection platform, a profiling positioning block, a pressing mechanism, an operation unit and a pneumatic displacement sensor. The sensor consists of a fixed seat, a pneumatic unit and a contact piece with a magnet, wherein the magnet is adsorbed and fixed with a steel block on the fixed seat. The method comprises the following steps: matching and positioning the upper cover of the battery pack through the profiling positioning block, acquiring product identity information by the code scanning unit, clamping a workpiece by the pressing mechanism, enabling a contact piece of the pneumatic displacement sensor to be in contact with the surface of the upper cover, converting the sinking amount into an air pressure signal and detecting, and finally binding and storing the sinking amount and the identity information. According to the invention, rapid workpiece positioning, stable clamping and high-precision detection are realized, and the requirements of battery pack upper cover collapse amount full detection and data tracing in automatic production are met.
Owner:DONGGUAN SONGBAI MOLD
Efficient double-diameter synchronous comprehensive measuring instrument
The utility model provides an efficient double-diameter synchronous comprehensive measuring instrument, which relates to the technical field of measuring instruments and comprises a supporting seat, a convex cover plate is fixed and communicated to the top of the supporting seat and close to the center, a square groove is formed in one side wall of the convex cover plate and close to the top, inner diameter grooves are symmetrically formed in the inner wall of the square groove, and the inner diameter grooves are communicated with the convex cover plate. The two side walls of the convex cover plate are each fixedly provided with four measuring heads, one end of each measuring head is provided with a first spray head in an embedded mode, an air source device is arranged in the supporting base, the top of the air source device is fixedly communicated with a connecting pipe, and the top of the connecting pipe is fixedly connected with a convex box; according to the utility model, the part is embedded into the inner diameter groove and the measuring head, and then the first nozzle and the second nozzle are used for spraying gas, so that the inner diameter and the outer diameter of the part can be synchronously measured, the use and the operation are simple, the measurement is convenient, the size of the part is out of tolerance, the out-of-tolerance can be displayed on a screen of a pneumatic gauge, and visual fatigue is avoided; and quality control is facilitated.
Owner:WUXI WEIFU AUTOCAM PRECISION MASCH CO LTD
Packaging material plate film covering device and packaging material plate film covering method
The invention relates to the technical field of film laminating devices, in particular to a packaging material film laminating device which comprises a device body, the device body comprises a device frame, raw material rollers and product rollers are installed on the device frame, the raw material rollers comprise a paper roller and a film laminating roller, and the packaging material film laminating device further comprises a gluing assembly and a lining roller which are installed on the device frame. A smoothness tester is mounted on the device frame, the smoothness tester is provided with a detection viewport, the detection viewport faces a product route and faces one side with a film, the smoothness tester is connected with a control device and can transmit tested data to the control device, and the numerical value is a flatness roughness numerical value; and when the flatness roughness value obtained by the control device is greater than a certain value, the control device starts the first sliding motor, so that the raw material is coated with a thicker glue solution layer. The device has the advantages of being capable of automatically adjusting flatness and convenient to use. The invention further provides a packaging material film covering method.
Owner:HENNAN WANSHUN PACKAGE MATERIAL CO LTD
A rapid gauge for fixture precision detection
The application relates to the technical field of machining detection, in particular to a rapid testing fixture for clamp precision detection, which comprises a rack, a main shaft assembly, a conversion assembly and a coaxiality detection device, the rack is provided with a sealed cavity, the main shaft assembly penetrates through the cavity, can rotate around the own axis and move axially, the conversion assembly is connected with the main shaft and a detection assembly, the detection assembly is composed of a detection tool shank and a detection clamp sleeve, the tool shank is provided with an inner hole structure in the inside and is provided with a rotary precision adjusting structure, a limiting structure which can be axially driven and locked is arranged between the tool shank and the clamp sleeve, the conversion assembly is provided with a coaxiality correction mechanism and an assembly precision detection mechanism, and can be respectively used for correcting the coaxiality of the detection assembly and detecting the assembly precision, and the coaxiality detection device is used for detecting the radial runout of the inner hole of the tool shank and the detection clamp sleeve; the testing fixture can be used independently of the numerical control machine tool, does not occupy the machine tool production resources, can quickly complete the clamp precision detection, and effectively improves the detection and production efficiency.
Owner:BESTU TOOL MFG CO LTD
Tank inspection methods
ActiveJP7798056B2Measurement of fluid loss/gain rateMaterial strength using tensile/compressive forces
To provide a tank inspection method with which water injected into a tank during inspection can be efficiently discharged.SOLUTION: A tank inspection method TIM includes a support step P1, a water injection step P2, a pressure increase step P3, and a water discharge step P4. The support step P1 includes supporting a tank while crossing a central axis with a horizontal plane so that openings provided at both ends in a direction along the central axis of the tank are an upper opening and a lower opening. The water injection step P2 includes injecting water into the tank from the lower opening of the tank and exhausting air inside the tank from the upper opening. The pressure increase step P3 includes increasing the water pressure inside the tank to a predetermined pressure by pressure-feeding water to the lower opening in a state where an upper valve for opening and closing an upper channel connected with the upper opening is closed. The water discharge step P4 includes discharging water from the lower opening of the tank.SELECTED DRAWING: Figure 2
Owner:TOYOTA JIDOSHA KK
Coal seam creep monitoring equipment
The utility model provides coal seam creep monitoring equipment which comprises a creep monitoring sensor, a liquid injection module and a metering module which are arranged in a coal seam, the creep monitoring sensor comprises a flexible expansion rubber pipe, a circular end protection plate and an axial displacement limiting connecting rod, and a liquid inlet and a liquid outlet are formed in the circular end protection plate; the internal creep state of the coal seam is indirectly reflected by monitoring the deformation of the flexible expansion rubber pipe, the difficulty of direct measurement is ingeniously avoided, the rigidity of the flexible expansion rubber pipe is obviously lower than that of the coal seam, the real creep process of the coal seam reaction is ensured by utilizing a low-rigidity structure, and the flexible expansion rubber pipe is tightly attached to the hole wall through a liquid injection expansion mechanism of the flexible expansion rubber pipe; the coal seam creep monitoring device is simple in structure, high-precision liquid discharge amount monitoring is matched, the coal seam creep situation can be obtained in real time, the defect that a traditional method cannot monitor internal creep of a coal seam is overcome, the special requirement of creep monitoring for the rigidity of the sensor is met, and a brand new technical means is provided for early warning of rock burst induced by creep.
Owner:YANKUANG ENERGY GRP CO LTD +1
Arching detector for a floating offshore platform pontoon
ActiveCN114518083BThe detection position is easy to adjustThe detection position is accurateTransmission systemsUsing fluid meansMarine terraceMarine engineering
The application discloses a floating type offshore platform pontoon camber detection device and relates to the technical field of pontoon camber detection devices. The device comprises a mounting cover, an air pressure sensor, a temperature sensor and a battery pack are mounted on the inner wall of the mounting cover, the battery pack supplies power to the air pressure sensor and the temperature sensor respectively, a magnetic force suction disc is fixedly connected to the bottom end of the mounting cover through a transition net, the air pressure sensor and the temperature sensor are connected with a signal transmitter through data transmission cables respectively, and water-insoluble gas is injected into the mounting cover through a gas delivery pipe. The device has the beneficial effects that: after the mounting cover is adsorbed to the pontoon through the magnetic force suction disc, water-insoluble gas is injected into the mounting cover, so that a stable environment is formed in the pontoon and the internal and external pressure of the pontoon is kept consistent, the pressure is different at different depths underwater, the air pressure data in each mounting cover is transmitted, the pontoon camber is detected, the camber data is detected, and the device is convenient to operate and flexible to use.
Owner:CHINA NAT OFFSHORE OIL CORP +2
Deformation detection device for shock insulation rubber support
The invention relates to the technical field of rubber support detection, and discloses a shock insulation rubber support deformation detection device which comprises a heat insulation box, the interior of the heat insulation box is hollow, one side of the heat insulation box is open, first hydraulic rods are symmetrically arranged in the heat insulation box, and a heat insulation door is slidably connected to one side of the opening of the heat insulation box. An air extraction opening is formed in the side, away from the heat insulation door, of the heat insulation box, a communicating pipe communicating with the air extraction opening is installed on the surface of the heat insulation box, the other end of the communicating pipe communicates with an air storage cylinder installed at the top of the heat insulation box, and an air extraction piston is slidably connected into the air storage cylinder; one end of the air exhaust piston is fixedly connected with a movable rod which penetrates through one end of the air storage cylinder and extends to the outside, cold air in the heat insulation box is pumped into the air exhaust piston to be stored in a heat preservation mode through sliding of the air exhaust piston in the air storage cylinder, and when deformation detection is conducted on the shock insulation rubber support next time, the cold air stored in the air storage cylinder is sent back to the heat insulation box. The purpose of mixed heat exchange between cold air and gas in the heat insulation box is achieved.
Owner:SHANXI ACAD OF BUILDING SCI TESTING CENT CO LTD +1
Engine cylinder body detection equipment
ActiveCN121274881ADetection of fluid at leakage pointOptically investigating flaws/contaminationCylinder blockGas supply
The invention relates to engine cylinder body detection equipment, which belongs to the field of cylinder body detection equipment, and comprises a rod body, an air supply device and a detection disc arranged at the end part of the rod body, the peripheral side of the detection disc is sleeved with a flexible part; the outer wall of the flexible part is attached to the inner wall of the cylinder body. A plurality of detection channels are uniformly formed in the peripheral side of the detection disc; the detection channel penetrates through the flexible part; the air supply device is communicated with the plurality of detection channels; the air supply device is used for introducing air pressure into the plurality of detection channels; a movable plug is arranged in the detection channel; the movable plug is used for separating the detection channel from the indicator tube; an indicator tube is arranged on the detection disc; detection liquid is contained in the indicating tube; the indicator tube is communicated with the detection channel; and an image sensor is arranged on the rod body. The device has the technical effects of simplifying the detection operation and protecting the cylinder body.
Owner:KANGSHUO (CHONGQING) INTELLIGENT MANUFACTURING CO LTD
Equipment for rapidly detecting parts
The utility model discloses equipment for rapidly detecting parts, which comprises a rack, a workbench is fixedly arranged at the top of the rack, a feeding vibration disc is arranged at the top of the front end of the workbench, the output end of the feeding vibration disc is fixedly connected with a straight vibration feeding channel, a pushing air cylinder is fixedly arranged at the top of the workbench, and the pushing air cylinder is fixedly connected with the straight vibration feeding channel. The output end of the pushing air cylinder is in sliding connection with the output end of the direct vibration feeding channel, and the top of the workbench is rotationally connected with a transfer clamp. The circular ring part detection device relates to the technical field of circular ring part detection equipment. The top of the workbench is provided with a pneumatic measuring instrument, a height GT measuring instrument and a parallelism GT measuring instrument; therefore, comprehensive detection of the inner and outer diameters, the height and the parallelism of the circular part can be conveniently completed through the integrated equipment, and the transfer clamps are arranged in the middles of the pneumatic measuring instrument, the height GT measuring instrument and the parallelism GT measuring instrument, so that the circular ring part to be detected can be conveniently and rapidly transferred, and the working efficiency is improved.
Owner:NUOXINCHUANG AUTOMATION TECH (KUNSHAN) CO LTD
Static pressure linear guide rail performance testing device
PendingCN122042234ASpread evenlyavoid collisionMachine part testingUsing fluid meansElectric machineLinear motor
The invention relates to a hydrostatic linear guide rail performance testing device, which belongs to the technical field of hydrostatic guide rail performance testing and structurally comprises a lathe bed and a hydraulic station, hydrostatic guide rails are arranged on two sides of the lathe bed, a stator of a linear motor is arranged on the lathe bed between the two groups of hydrostatic guide rails, and two groups of moving platforms are arranged on the hydrostatic guide rails. A rotor of a linear motor is arranged in the middle of the movable platform, the linear motor provides power for sliding of the movable platform, oil cavity sliding blocks are arranged on the two sides of the bottom of the movable platform, detection devices are arranged on the oil cavity sliding blocks, and a hydraulic station is connected with the oil cavity sliding blocks and supplies oil to the oil cavity sliding blocks. The oil spreading mechanism comprises multiple groups of oil blocking devices and a withdrawing device, the multiple groups of oil blocking devices are slidably arranged on the vehicle body on the outer sides of the two groups of moving platforms respectively, and the withdrawing device is arranged on the machine body and used for driving the oil blocking devices to be away from the hydrostatic guideway; the oil film laying device has the technical effect of ensuring uniform oil film laying.
Owner:BEIJING PROSPER PRECISION MACHINE TOOL CO LTD
Pressure chamber for a mobile communication device and associated pressure sensor
ActiveCN112985313BDigital data processing detailsVolume variation compensation/correction apparatusControl systemTesting Methods
Pressure chambers and associated pressure sensors for mobile communication devices. Mobile communication devices and associated control systems are provided for determining the presence and location of pressure applied to the mobile communication device. The system can replace physical buttons on the mobile communication device. In embodiments, a sealed chamber, such as a tube, is filled with a pressure transmitting medium inside a sidewall of a frame of the mobile communication device. Two (or more) pressure sensors can be mounted to the chamber to measure the pressure at two different locations in the chamber. In one embodiment, the time difference of a pressure wave reaching between the pressure sensors can indicate the location of the applied force. By knowing where the force is applied, the desired command from the user can be inferred.
Owner:ROBERT BOSCH GMBH
Cover glass bulge defect inspection device
ActiveCN117310139Breduce trafficAccurate and effective detectionMaterial testing goodsUsing fluid meansWater flowStructural engineering
This invention discloses a device for inspecting bulge defects in cover glass, belonging to the field of cover glass defect detection technology. The technical solution includes a water tank with an inlet pipe, a glass fixing platform below the water outlet, and the glass being fixed at an angle on the glass fixing platform. A weighing platform is located below the glass fixing platform, and several electronic scales are spaced apart along the length of the glass fixing platform. This invention, by employing the principle of blocking water flow due to bulge defects in the cover glass, can accurately and effectively detect the location and defect level of the bulge defects.
Owner:QINGDAO FUSION INTELLIGENT TECH CO LTD
Overlying strata isolation grouting filling layer position detection device
The invention relates to an overlying strata isolation grouting filling layer position detection device and belongs to the technical field of detection devices. The overlying strata isolation grouting filling layer position detection device comprises an injection pipe, a supporting assembly, a sealing air bag, a protective cover, a polishing assembly, a rotating assembly and a water pressure conversion assembly. The supporting assembly is arranged on the injection pipe; the sealing air bag is arranged on the supporting assembly. The protective cover is slidably arranged on the supporting assembly and can be located at the sealing air bag. The grinding assembly is movably arranged on the supporting assembly and connected with the protective cover. The rotating assembly is slidably arranged on the supporting assembly and connected with the grinding assembly. The water pressure conversion assembly is arranged on the supporting assembly. The supporting assembly comprises a connecting pipe arranged on the injection pipe, a supporting base arranged on the connecting pipe and connected with the sealing air bag, and a guide base arranged on the sealing air bag. The polishing assembly is driven by the rotating assembly to move and rotate, the inner wall of the hole is polished through the polishing assembly, then the sealing air bag makes contact with the inner wall of the hole, and the sealing performance is improved.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY
A monitoring and early warning device and method for preventing TBM jamming
This invention discloses a monitoring and early warning device and method for preventing TBM jamming, comprising several monitoring and early warning units, each with an upper, middle, and lower layer. The upper layer has two fixed transverse partitions, with multiple thin cylinders connected between them, allowing the cylinders to move between the partitions. The middle layer contains an inflatable airbag, with a laser scanner at its bottom for imaging the upper part of the airbag. The lower layer contains a pressure monitor, an air pump, and a control center. The pressure monitor and air pump are connected to the inflatable airbag, and the pressure monitor is also connected to the control center via a signal transmission line. This invention can comprehensively and in real-time reflect the deformation of the surrounding rock throughout the tunnel and issue timely early warning signals, improving the reliability of the device.
Owner:SHANDONG UNIV OF SCI & TECH
Method and device for measuring inner hole of rotor
The invention belongs to the technical field of rotor inspection and detection, and discloses a rotor inner hole measuring method and device, and the method comprises the steps: setting an avoiding radian distance of a vertical groove; determining a measuring point outside the avoiding area of the vertical groove; putting a control measuring pin into the inner hole of the rotor for measurement, keeping away from the avoiding area of the vertical groove, and recording an air pressure sudden change position; the middle position between the two annular grooves is determined according to the starting position and the stopping position of each air pressure sudden change; the middle position between every two annular grooves is used as a unified positioning surface for measurement; selecting the maximum calibration device and the minimum calibration device corresponding to the tolerance range to calibrate and calibrate the measuring instrument according to the diameter of the inner hole of the rotor and the tolerance allowable range; and calculating the difference between the theoretical size of the inner diameter of the minimum calibration device and the measured value of the inner diameter of the minimum calibration device. The detection precision of the non-standard equipment rotor inner hole detection device can be improved.
Owner:XIAN AERO ENGINE CONTROLS
Method for characterizing the pore structure of a coating layer based on multi-gas true density testing
The present application relates to the field of material characterization, in particular to a method for characterizing the pore structure of a coating layer based on multi-gas true density testing, comprising the following steps: step S1: weighing a sample to be tested with a mass of m and placing it in a sample cavity of a true density instrument; step S2: filling different molecular kinetic diameter gases into the true density instrument for testing; step S3: recording the measured sample skeleton volume Vs of different molecular kinetic diameter gases, and obtaining the true density p of the sample from the skeleton volume; step S4: analyzing the pore structure characteristics of the sample coating layer according to the true density p. In the present application, the characterization method is simple to operate, does not require a complex sample preparation process, and the test results are quantifiable and repeatable, solving the technical problems that the traditional characterization method cannot distinguish between the coating layer pores and the internal pores, and cannot quantitatively analyze the pore size distribution. The present application can be used for the structure characterization of lithium ion battery negative electrode coating materials, and can be used for the optimization of coating process performance such as initial efficiency, cycling, and rate.
Owner:NORBERT ELECTRONIC TECHNOLOGY (CHENGDU) CO LTD
Mechanism for measuring hole position degree
Owner:WUXI PURUI PRECISION TECH CO LTD
METHOD FOR ESTIMATING GAS FLOW RATE, DEVICE FOR ESTIMATING FLOW RATE AND DEVICE FOR ESTIMATING BOREHOLE DIAMETERS
ActiveDE602020068988T2Fluid-tightness measurementVolume/mass flow by differential pressureStream flowBiochemistry
Owner:FUKUDA CO LTD +1
Plate bottom height deviation measuring tool
ActiveCN223940275UUsing electrical meansHydrostatic levellingStructural engineeringMechanical engineering
Owner:CHINA MCC 2 GRP CO LTD
Rapid detection tool for precision of cone shaft
ActiveCN223976583UUsing fluid meansMechanical measuring arrangementsElectrical connectionAxial distribution
The utility model belongs to the technical field of testing, and particularly relates to a tool for rapidly detecting the precision of a cone shaft. The measuring tool comprises a measuring tool body which is provided with a conical detection channel matched with a conical shaft, air inlet channels are distributed on the inner wall of the measuring tool body, and the measuring tool body is communicated with an external air pressure source; the movable sliding block abuts against the end face of the conical shaft. The dial indicator detects the displacement of the slider; the axially distributed air outlet channels are externally connected with an air pressure numerical meter; and the warning device is electrically connected with the air pressure value meter. A guide sliding rail is arranged on the outer side of the measuring tool body, four air inlet channels and four air outlet channels are correspondingly installed, and the warning device comprises a red light and a buzzer. The beneficial effects are that the device directly reads dimensional deviation through the dial indicator, feeds back roughness and dimensional precision through the air pressure system, simulates an actual installation contact state, realizes full-size section detection, gives an alarm in real time through the warning device, improves the detection efficiency, is suitable for online detection of various cone shafts, is especially suitable for batch production scenes, rapidly screens unqualified products, and improves the detection efficiency. And the high-precision detection requirement is met.
Owner:CHANGZHOU JIENUO TRANSMISSION SYST CO LTD
Quartz injection pipe offset hole detection device
The invention discloses a quartz injection pipe offset hole detection device, which comprises a supporting assembly, a first sliding groove and a V-shaped groove are respectively formed in the top of the main body base, a through hole is formed in the top of each quartz injection pipe, a detection mechanism is movably arranged at the top of the main body base, and a second sliding groove and a V-shaped groove are respectively formed in the top of each detection mechanism; the detector is used for detecting whether a through hole in the quartz injection pipe deviates from a theoretical straight line; and the auxiliary rotating mechanism comprises a telescopic rod and a first rotating seat fixedly installed at the top of the telescopic rod, the output end of the telescopic rod is fixedly installed at the left end of the main body base, and a supporting seat is fixedly arranged on the side, corresponding to the quartz injection pipe, of the first rotating seat. Through the arrangement of the supporting assembly and the detection mechanism, the problems that micro hole deviation is difficult to recognize through traditional visual inspection and the three-coordinate hole-by-hole detection efficiency is low are effectively solved, high-precision and high-efficiency full-automatic detection is achieved, and the product quality and the production takt are remarkably improved.
Owner:HEFEI THERMO SCI SEMICON MATERIALS CO LTD
Roller inspection device with internal steps
This invention relates to a roller inspection device with an internal step, comprising a worktable. On the worktable, a first inspection component for inspecting one end of a roller workpiece, a second inspection component for inspecting the outer diameter of the roller workpiece, and a third inspection component for inspecting the other end of the roller workpiece are arranged side-by-side. The first and third inspection components have identical structures. The first inspection component includes a support above the worktable and a fixed cylinder on top of the support. The support has a through hole communicating with the fixed cylinder. Below the fixed cylinder is a pneumatic measuring instrument coaxially arranged with the fixed cylinder and movable vertically. This invention increases the number of workpieces that can be inspected at a time, allows simultaneous inspection of multiple workpieces at different positions, reduces the number of inspection steps, and improves inspection efficiency.
Owner:ZHEJIANG JINHUA JINCHUANG INTELLIGENT MFG RES INST CO LTD
Bridge expansion joint early warning device
The invention discloses a bridge expansion joint early warning device, and belongs to the technical field of bridge safety monitoring, the bridge expansion joint early warning device comprises two symmetrically arranged main mounting racks, two sides of the main mounting racks are provided with auxiliary mounting racks along the horizontal direction, and a main pipe is arranged at the symmetric line of the main mounting racks; a main push rod is arranged on the main mounting frame and the main pipe, the tail end of the main push rod extends into a cavity of the main pipe and is connected with first pistons, and a second spring telescopic rod is arranged between the two first pistons in the main pipe; the two sides of the main pipe are communicated with a three-way pipe, the three-way pipe is of a T-shaped structure, second pistons are symmetrically arranged at the linear end in the three-way pipe, an auxiliary push rod is connected between the second pistons and the auxiliary mounting frame, and the auxiliary push rod from the second pistons to the tail end of the three-way pipe is sleeved with reset springs; the top of the main pipe is provided with a threaded hole connected with an air pressure sensor, the sensor is connected to a data processing unit and an early warning execution module in the controller box through a cable, the defect that a traditional device cannot counteract irregular extrusion force is overcome, and early risk identification of bridge expansion joint deformation is achieved.
Owner:CHANGAN UNIV