65results about "Micrometers" patented technology

The utility model discloses a positioning carrier applied to a high-precision micrometer. The positioning carrier comprises a clamping jig, a positioning bracket and a measuring head, the clamping jig can abut against the interior of a product and clamp the product, the positioning support can be clamped on the clamping jig, and the measuring head can be clamped on the positioning support; the measuring head comprises a first contact and a second contact, one end of the first contact can be in contact with a measuring anvil of the micrometer, the other end of the first contact can be in contact with the outer side of a product, one end of the second contact can be in contact with a micrometric screw of the micrometer, and the other end of the second contact can be in contact with the outer side of the product. The first contact can be matched with the second contact to abut against the outer side of the product.

This utility model discloses a micrometer with a support mechanism, relating to the field of micrometer technology. It includes a micrometer and an auxiliary support assembly. The micrometer includes a frame, a protruding block, and a rotating groove. The auxiliary support assembly includes a concave support plate and a rotating connector. The concave support plate is symmetrically attached to both sides of the frame and the protruding block. The rotating connector is fixed to the bottom of one side of the concave support plate and is rotatably connected to the inside of the rotating groove via a rotating rod. The two concave support plates rotate and unfold around the center of the rotating connector, providing support for the placement of the micrometer. This utility model, by setting up the auxiliary support assembly, allows the micrometer to be stably placed on a workbench for use. Furthermore, when the auxiliary support assembly is folded up, it does not affect the handheld operation of the micrometer, making it easy to carry and store.

The utility model provides a lever micrometer and a measuring device, and relates to the technical field of measuring tools, and the lever micrometer comprises a micrometer holder, a measuring assembly, a measuring anvil and a limiting assembly. The sleeve is movably connected with the ruler frame and defines a first containing cavity, the rotating guide piece is arranged in the first containing cavity and is in threaded connection with the sleeve, one end of the measuring rod is connected with the rotating guide piece, and the measuring rod is provided with a guide groove. The measuring anvil and the measuring rod are oppositely arranged. The positioning piece is arranged in the first containing cavity, one end of the positioning piece is movably connected with the sleeve, the positioning piece is provided with a limiting hole, the limiting piece penetrates through the limiting hole, and the limiting piece is movably connected with the guide groove in a clamped mode. According to the lever micrometer, relative rotation of the measuring rod is conveniently limited, the contact surface of the measuring rod is prevented from being abraded, the situation of axial deviation or dislocation of the measuring rod is reduced, the measuring accuracy is ensured, the measuring rod can move rapidly in the axial direction, and the measuring efficiency of the lever micrometer is further improved.

The utility model discloses a micrometer depth gauge zero position correction auxiliary device, the micrometer depth gauge comprises a pedestal and a measuring shaft, the auxiliary device comprises a base plate, a flat plate, a support plate, a first screw rod and a pressing plate, the flat plate is detachably connected on the upper side of the base plate, the upper side of the flat plate is horizontal, the support plate is fixed above the flat plate, the pressing plate is horizontally arranged between the support plate and the flat plate, and the first screw rod is fixed on the pressing plate. The first screw rod is in vertical threaded connection with the supporting plate, the lower end of the first screw rod is rotatably connected with the pressing plate, one side of the pressing plate is provided with an avoiding groove used for avoiding a measuring shaft of the depth micrometer, and the first screw rod is rotated to enable the pressing plate to tightly press a base of the depth micrometer on the flat plate. According to the auxiliary device for zero correction of the micrometer depth gauge, the base can be stably attached to a flat plate, and the correction quality is improved.

The application provides a kind of marine hydraulic equipment measuring tool and application method, the measuring tool includes wire frame, micrometer measuring component, straightness measuring component, by using wire frame tool, the position of measurement is accurate, there is detailed data for the original size of equipment, through the detailed data of original value during installation, quick adjustment and installation can be carried out, the arc-shaped measuring seat is used in micrometer, which facilitates accurate size measurement on smooth cylinder, ensures the high quality requirement of early equipment installation, through sample bar and laser straightness measurement, the deformation of base caused by ship structure and equipment is effectively monitored, and the position of deformation can be quickly and accurately found out, effective correction construction is carried out, the installation precision of important equipment is ensured, and the efficient, accurate operation and construction cycle control of the whole system are ensured. The measuring tool is reasonable in design, small in size, convenient to carry, simple to operate, reusable, and has high practical value.

The utility model provides a tool for measuring the axial clearance of a four-point contact ball bearing, and the tool comprises a measuring shaft which is formed by the coaxial arrangement and connection of four cylinders with different diameters and a supporting cylinder, the supporting cylinder is located in the middle, and the outer diameter of the supporting cylinder is larger than that of the four cylinders; the pressing plate is connected to one end of the measuring shaft and is used for pressing the measured bearing; and the sleeve is a hollow cylinder and can be sleeved outside the measuring shaft. The tool for measuring the axial clearance of the four-point contact ball bearing has the advantages of accurate and convenient measurement value and high efficiency, and can greatly avoid the influence on a gear box caused by the clearance error of the bearing.

This invention discloses a measuring device for a shallow boss on an aircraft governor's oil distribution valve, belonging to the technical field of measuring devices. It includes a fixture body, a measuring jaw, and a spring-loaded pin. The top surface of the fixture body has a workpiece groove and a fixture groove, and the bottom has a measuring groove. The workpiece groove is located on both sides of the fixture groove and is higher than the fixture groove. The workpiece groove is used to place the workpiece to be measured. Both ends of the workpiece are placed in the workpiece groove, and the middle boss is engaged between the fixture groove and the end of the measuring jaw. A through hole is provided in the middle of the fixture groove, and the middle part of the measuring jaw is hinged within the through hole, allowing the measuring jaw to swing within the through hole. The upper end of the measuring jaw forms a movable clamp with one side of the fixture groove, and the lower end abuts against the spring-loaded pin and a dial indicator, respectively. The spring-loaded pin and the dial indicator are positioned opposite each other. The clamp is used to hold the boss of the workpiece to be measured, and the spring-loaded pin is slidably mounted on the fixture body. This invention is a device for measuring the width of a shallow boss on an aircraft governor's oil distribution valve, enabling rapid and accurate measurement of the governor's oil distribution valve.

The external diameter micrometer force measurement detection device comprises a dynamometer, a dynamometer installation plate, a slide block, a guide rail and a measurement block, the dynamometer is installed on the front surface of the dynamometer installation plate, the back surface of the dynamometer installation plate is connected with the inner side surface of the slide block, and the slide block is sleeved on the guide rail and can move relative to the guide rail. When the sliding block moves along with the guide rail, an integral structure formed by the dynamometer mounting plate and the dynamometer can move relative to the guide rail, a measuring head of the dynamometer is connected to the right end of the dynamometer, and a measuring block is connected to the left end of the guide rail and extends to the position, opposite to the measuring head of the dynamometer, of the outer side of the left end of the dynamometer. According to the utility model, the external diameter micrometer can be rapidly clamped, data can be directly read, and the use is convenient and rapid.

A micrometer head displacement system includes a micrometer head and an imaging portion. The micrometer head includes a coarse scale and a fine scale. The system is configured to: acquire at least one image of the micrometer head from the imaging portion; determine a coarse measurement based at least in part on the at least one image wherein the coarse measurement corresponds to a coarse relative position between the coarse scale and a coarse fiducial line; determine a fine measurement based at least in part on the at least one image and based on calculating an interpolated position of the a fiducial line wherein the fine measurement corresponds to a fine relative position between the fine scale and the fine fiducial line; and determine a micrometer head displacement based at least in part on summing the coarse measurement with the fine measurement.

This invention provides a detachable vernier caliper force detection device for detecting the measuring force of a vernier caliper. The vernier caliper force detection device (100) includes: a fixed unit (120) fixedly mounted to the vernier caliper in a manner that prevents relative displacement with respect to the vernier caliper (520); a movable unit (300) configured to allow slight relative displacement with respect to the fixed unit in a direction parallel to the movement direction of the vernier caliper; and pressure detection components (410, 420) disposed between the fixed unit and the movable unit and configured to detect pressure applied in a direction parallel to the movement direction of the vernier caliper. The movable unit has an alternative handle (360) disposed near the handle (530) of the vernier caliper, thereby replacing the handle of the vernier caliper as an operating part for pushing and pulling the vernier caliper.

The utility model discloses an auxiliary measuring tool for a solid shaft head, which belongs to the technical field of measuring tools for solid shaft heads, and is characterized in that the auxiliary measuring tool comprises a measuring tool and a pressing sleeve, the measuring tool comprises an upper sleeve and a lower sleeve, and the lower end of the upper sleeve is connected with the upper end of the lower sleeve; a first positioning through hole is formed in the axial lead position of the upper sleeve, a second positioning through hole is formed in the axial lead position of the lower sleeve, and the first positioning through hole and the second positioning through hole are communicated and are coaxially arranged; symmetrically distributed positioning grooves are formed in the two ends of the lower sleeve, the two ends and the outer sides of the positioning grooves are of open structures, the positioning grooves are communicated with the second positioning through holes, and parts of the two ends of the second positioning through holes are exposed to be communicated with the outside; and the bottom surface of the positioning groove is a positioning surface for positioning the measuring head of the micrometer. Compared with the prior art, the device has the characteristic of accurately measuring the diameter of the solid shaft head.

The invention relates to a measuring instrument and a power receiving module. The power receiving module (11) is housed in a portable measuring instrument, in which the measuring instrument includes a housing portion capable of housing a standard battery having a standardized size, and a cover portion for covering the standard battery in a state in which the standard battery is housed in the housing portion, and the power receiving module (11) has a first portion (PA1) and a second portion (PA2), and a cover portion that covers the standard battery, and includes a power receiving antenna (110) for receiving power transmitted from a wireless power transmission device for wirelessly transmitting power, the first portion having the same shape as the standard battery, and the second portion having the same shape as the cover portion.

The utility model relates to the field of inner diameter dimension measurement, in particular to a tool for measuring the inner diameter dimension of a thrust block when the thrust block is heated by an on-site shrinkage fit method, which comprises a pipe body, a rectangular opening is arranged on the pipe body, a first hoop and a second hoop are sleeved on the pipe body, the inner diameter of the second hoop is fixedly connected with a lantern ring, and the lantern ring is fixedly connected with the inner diameter of the first hoop. One end of the pipe body is fixedly connected with a connecting ring, one side of the connecting ring is fixedly connected with a connecting pipe, one end of the connecting pipe is provided with a knob cover, and the interior of the knob cover is fixedly connected with a bidirectional screw rod. During use, the knob cover is screwed, the knob cover drives the two-way screw to rotate, the two-way screw drives the lantern ring to get away from each other, the lantern ring drives the first hoop and the second hoop to get away from each other, the first hoop and the second hoop drive the connecting block to move along the rectangular opening, and the connecting block drives the clamping plate to get away from each other, so that the length of the pipe body does not need to be adjusted; and the measurement is relatively convenient.

The invention relates to a measuring instrument, a wireless power transfer apparatus, and a wireless power transfer system. A portable measuring instrument (1) is a portable measuring instrument to which power is supplied from a wireless power transmission device for wirelessly supplying power, the measuring instrument comprising: a sensor (117) capable of detecting a person using the measuring instrument (1); a signal transmission unit (119) for transmitting, to the wireless power transmission device, a beacon signal indicating the state of the measurement instrument detected by the sensor (117); and a power receiving antenna (110) for receiving power transmitted from the wireless power transmitting apparatus.

The utility model discloses an electronic digital display micrometer movable and fixed gate precision detection device, which comprises a front fixed gate seat and a rear fixed gate seat and a threaded sleeve, and a rotating shaft penetrates through and is screwed in the fixed gate seat and the threaded sleeve; a positioning sleeve and a movable gate seat are fixedly mounted and sleeved on the rotating shaft on the front side of the fixed gate seat front and back, a guide screw is screwed on the movable gate seat, the guide screw is in sliding fit in a V-shaped guide groove axially formed in the rotating shaft, and a spring is pressed on the rotating shaft between the movable gate seat and the positioning sleeve; a movable grid and a fixed grid are respectively mounted on the opposite end surfaces of the movable grid seat and the fixed grid seat; the movable grid seat is pressed on the fixed grid seat by a spring so as to keep the movable grid and the fixed grid to be tightly attached; a fixed sleeve is mounted on the threaded sleeve, and a rotating sleeve sleeving the fixed sleeve is mounted at the rear end of the rotating shaft; a graduated scale for reading the moving distance of the rotating sleeve is arranged between the fixed sleeve and the rotating sleeve; and a display for converting angular displacement of the moving gate relative to the fixed gate into linear displacement through data processing and directly displaying data is arranged.

A portable measuring instrument is a portable measuring instrument that is supplied with power from a wireless power transfer apparatus that supplies power wirelessly, the instrument includes a sensor that is capable of detecting a person using the measuring instrument, a signal transmission part that transmits a beacon signal indicating a state of the measuring instrument detected by the sensor to the wireless power transfer apparatus, and a power receiving antenna that receives power transmitted from the wireless power transfer apparatus.

The utility model discloses a special tool for axial clearance detection of a spherical ring, and belongs to the technical field of aviation equipment. Comprising an upper cover plate, a lower cover plate, a fixed pressing block, an upper connector, a lower connector, a threaded sleeve, a cabinet table top, a supporting lining, a lever, a cam with a handle, a support A, a support B, a 20kg weight, a 10kg weight, a dial indicator and a universal connector. When the device is used, the cam with the handle is rotated, the 20kg weight is placed at the upper position or the lower position, the variation of the indicating value of the dial indicator is read, namely the displacement of the spherical ring, and the gap between the spherical ring and the support arm or the bearing ring is measured. The weight does not need to be moved manually, so that time and labor are saved; the loading is accurate and effective, the dial indicator is high in measurement precision, and the axial clearance can be accurately measured.

The utility model discloses a numerical control machine tool lead screw bending degree testing device, and relates to the technical field of testing devices. The fastening mechanisms are oppositely arranged on the lathe bed, the fastening mechanisms can slide on the lathe bed, the fastening mechanisms can be fixed to a determined position on the lathe bed through fastening pieces, and the fastening mechanisms are used for clamping the end of a lead screw; and the movable gauge stand is placed on one side of the lathe bed, and a dial gauge is installed on the movable gauge stand. The lead screw bending measuring device can be applied to lead screws with different lengths, can perform bending measurement on multiple length positions of the lead screws, and is convenient to use.

A portable measuring device (1) is a portable measuring device (1) that receives energy transmitted from a wireless power transmission device (2) for wireless energy transmission, wherein the measuring device (1) includes several energy receiving antennas (110) that receive the energy transmitted from the wireless power transmission device (2), a position detection unit (126) that detects a position of the measuring device (1), and a signal transmission unit (119) that transmits a characteristic signal containing information indicating the position detected by the position detection unit (126), wherein after the characteristic signal is transmitted by the signal transmission unit (119), each of the several energy receiving antennas (110) receives energy from the wireless power transmission device (2).

Disclosed example test specimen measurement apparatus include: a first measurement assembly configured to measure a first specimen dimension in a first direction, the first measurement assembly comprising: a first anvil oriented along the first direction; a first micrometer oriented along the first direction and configured to output a first measurement; a first actuator configured to actuate the first micrometer with respect to the first anvil; and a second actuator configured to actuate the first micrometer and the first anvil simultaneously along the first direction; and a second measurement assembly configured to measure a second specimen dimension in a second direction, the second measurement assembly comprising: a second anvil oriented along the second direction; a second micrometer oriented along the second dimension and configured to output a second measurement; and a third actuator configured to actuate the second micrometer with respect to the second anvil.

The utility model relates to the technical field of metering, and provides a micrometer calibrating device, which comprises a standard gauge block, a fixing mechanism, a driving mechanism, an acquisition mechanism and an analysis processing system. Wherein the length direction of the standard gauge block is parallel to the first linear direction; the fixing mechanism is suitable for fixing the micrometer; the driving mechanism is in driving connection with the microdrum and the force measuring device; the acquisition mechanism slides along the first linear direction and is suitable for acquiring the length value of the standard gauge block, the distance value between the measuring anvil and the micrometric screw and a reading value formed by the scale of the fixed sleeve and the scale of the microdrum; the analysis processing system is electrically connected with the driving mechanism and is suitable for controlling the driving mechanism; and the analysis processing system is electrically connected with the acquisition mechanism and is suitable for analyzing and processing errors among the reading value, the distance value and the length value, so that the verification error of the micrometer is reduced, and the verification efficiency of the micrometer is improved.

The invention relates to the technical field of three-jaw inside micrometer measuring force detection, in particular to a three-jaw inside micrometer measuring force detection device and method.The three-jaw inside micrometer measuring force detection device comprises a base, a movable clamp and a three-jaw chuck, and the movable clamp and the three-jaw chuck are arranged at the two ends of the base respectively; the movable clamp is used for clamping a three-jaw inside micrometer to be measured and can drive the three-jaw inside micrometer to move in the horizontal direction and the vertical direction, a digital display force measuring sensor is correspondingly arranged on one side, opposite to the center of the three-jaw chuck, of a movable clamping jaw of the three-jaw chuck, and a measuring head of the digital display force measuring sensor is located on the center line of the corresponding movable clamping jaw. And the three digital display force measuring sensors are correspondingly abutted against and matched with three measuring claws of the three-claw inside micrometer one by one. The beneficial effects of the invention are that the measuring error caused by the center displacement of the three-jaw inside micrometer can be reduced, and the measuring precision and the working efficiency can be improved.

The utility model discloses a micrometer calibration clamping and fixing device which comprises a fixing seat, an adjusting groove is arranged in the fixing seat, clamping seats are symmetrically arranged in the adjusting groove through a sliding assembly, a positioning mechanism matched with the sliding assembly is arranged on the side wall of the fixing seat, and clamping mechanisms are arranged on the clamping seats through fixing assemblies. And a lifting assembly is arranged at one end of the fixed seat. The micrometer calibration device has the beneficial effects that through the arrangement of the fixing assembly and the clamping mechanism, the micrometer can be conveniently clamped and fixed, the stability in the calibration process is ensured, rigid contact can be avoided, the micrometer is protected, meanwhile, an elastic cushion can be conveniently and regularly disassembled and replaced, and the work efficiency is improved. And therefore, the clamping effect and the protection effect are prevented from being influenced by deformation or damage after use.

The utility model discloses a micrometer for measuring the thickness of a part, which comprises a measuring base and a ruler body fixed on the right side of the measuring base, the ruler body is provided with an accurate measuring mechanism, and the accurate measuring mechanism comprises a measuring assembly, a calibration assembly and a laser distance measuring sensor; the measuring assembly comprises an outer shell, the outer shell is in sliding connection with the surface of the ruler body, the bottom of the outer shell is fixedly connected with a clamping jaw, the laser distance measuring sensor is installed in the clamping jaw through the installation assembly, the calibration assembly is arranged on the outer shell, and the laser distance measuring sensor detects the distance between the clamping jaw and a part. The utility model relates to the technical field of micrometers. According to the micrometer for testing the thickness of the part, after the clamping jaw is moved to clamp a workpiece, preliminary measurement is completed at the moment, measurement data can be obtained through manual reading and a displayer, meanwhile, the position of the clamping jaw subjected to preliminary measurement is adjusted through cooperation of the laser distance measuring sensor and the correction assembly, and then more accurate data are obtained.

The utility model discloses a kind of depth micrometer indication error testing tools, including testing tool base, support leg, depth micrometer and detection mechanism, four support legs are symmetrically fixed at the bottom four corners of testing tool base, detection mechanism is set at the top of testing tool base, and depth micrometer is connected and locked in detection mechanism.In the utility model, by setting detection mechanism, and then by depth micrometer measuring plate, baffle, standard gauge block are jointly combined to form detection structure, and by the connecting point of vertical and parallel arrangement, so that depth micrometer is detected, its measuring end is completely parallel with standard gauge block, avoid skew and cause data deviation, simultaneously adopt standard gauge block as reference, only need to compare micrometer reading and gauge block calibration size directly when detecting, eliminate the sight error of artificial alignment scale line, significantly improve detection reliability, traditional method needs to read micrometer and testing tool scale simultaneously.

A system for measuring a changing crack, comprises: a measurement device comprising a body bearing a measurement instrument and having a first positioning means, and a movable member comprising a second positioning means; at least two targets that are able to cooperate with a positioning means, wherein the at least two targets are hemispherical in shape and wherein the positioning means consist of rings having a cross section that is smaller than the base section of the target.

The utility model discloses a cross chord micrometer caliper, relates to a high-precision measuring tool, in particular to a novel measuring device combining a vernier caliper, a micrometer and a cross chord positioning rod, and is particularly suitable for high-precision inner diameter measurement of a large-size workpiece. The vernier caliper comprises a caliper body, a vernier scale, a vernier scale adjusting section and a micrometer adjusting rod, the vernier scale is sleeved on the caliper body, the right side of the vernier scale is connected with the vernier scale adjusting section, the micrometer adjusting rod is fixedly arranged on the right side of the lower portion of the vernier scale adjusting section, and a micrometric screw of the micrometer adjusting rod abuts against the vernier scale. The fixed rod of the micrometer adjusting rod is embedded in the lower portion of the vernier scale adjusting section and penetrates through the lower portion of the vernier scale adjusting section. Wherein a positioning nail of the retainer is responsible for locking, so that each lattice is ensured to display an integer on the caliper, and a decimal is read by the micrometer. The three-jaw micrometer combines the functions of a vernier caliper and a micrometer, introduces the design of a cross-shaped positioning rod, has the functions of a common caliper and a micrometer, is also suitable for the measurement of the inner diameter of a larger diameter, is especially suitable for the precise measurement of the inner diameter of an oversize, and solves a problem that a conventional three-jaw micrometer cannot measure an overlarge inner diameter.

There is provided a measuring tool attachment cover that combines ease of holding and performance (for example, heat insulation). An attachment cover includes a front face layer 110, a rear face layer 120 and an intermediate layer 130. The front face layer 110 and the rear face layer 120 are compact layers with low porosity, and the intermediate layer 130 is a hollow structural layer with higher porosity than the front face layer 110 and the rear face layer 120. The hollow structural layer includes two or more layers with different porosity, and a layer of the two or more layers closer to the front face has higher porosity than a layer closer to the rear face. A direction from the rear face layer 120 to the front face layer 110 is a thickness direction, and a direction orthogonal to the thickness direction is a width direction. The hollow structural layer has elastic modulus distribution in the width direction, and an elastic modulus of a certain area is different from an elastic modulus of an area surrounding the certain area.

This utility model discloses a test device that expands the application scenarios of dial indicator testing, relating to the field of dial indicator testing technology. It includes a support base, a support frame at the top of the support base, a lifting adjustment knob at the top of the support frame, a lead screw at the bottom of the lifting adjustment knob, a crossbeam connected to the outer wall of the lead screw via threads, a moving mechanism at the top of the crossbeam, a lever support at the top of the moving mechanism, a lever shaft connected to the inner wall of the lever support, a balance weight slidably connected to the middle of the lever, a measuring probe connected to one end of the lever via a first C-shaped hinge, and a probe vertical holding bracket sleeved around the measuring probe. This utility model avoids the size disadvantage of the dial indicator itself, enabling the dial indicator to be used for displacement and deformation measurement in small spaces, thus improving the efficiency of dial indicator use.

The utility model provides an electronic digital display micrometer, and belongs to the technical field of micrometer production. Comprising a fixing seat, a micrometer rod is slidably connected to one end of the inner side of the fixing seat, a sliding block is fixedly connected to the end, located on the inner side of the fixing seat, of the micrometer rod, a lead screw is fixedly connected to the other side of the sliding block, a motor is fixedly connected to the end, away from the micrometer rod, of the inner side of the fixing seat, and a connecting frame is fixedly connected to the output end of the motor. According to the utility model, through the arrangement of the contact plate, the extrusion elastic sheet and the sliding rod, the micrometer rod can push the contact plate to make contact with an object and cooperate with the abutting block to clamp the object, then the contact plate can push the extrusion elastic sheet to deform, the object is fixed in advance through resilience force of the extrusion elastic sheet until the sliding rod abuts against one end, away from the inner plate, of the inner groove, and measurement is completed; therefore, rigid clamping of the articles is avoided, the clamping stability of the articles is ensured by extruding the elastic pieces, and the practicability of the device is improved.