74 results about "Gauge block" patented technology

The invention provides a calibration process and a calibration block of a contourgraph, and relates to the technical field of contour parameter calibration, in the calibration process of the contourgraph, first scanning data is obtained by scanning a gauge block calibration part of the calibration block, second scanning data is obtained by scanning a standard ball calibration part of the calibration block, and the first scanning data and the second scanning data are obtained based on a physical model among a probe, a rotating shaft and a sensor. The measuring height difference between the first calibration plane and the second calibration plane, the straightness of the inclined plane, the measuring diameter of the fitting circle, the actual height difference of the gauge block calibration part and the actual diameter of the standard ball calibration part are calculated, and the position relation among the probe, the rotating shaft and the sensor is calculated at least with the minimum straightness of the inclined plane as the constraint. The calibration data not only have the height of the gauge block and the diameter of the standard ball, but also introduce the straightness of the inclined plane, and the calibration data is increased, so that the calibration precision is improved, and the nonlinear error caused by the difference between a mechanical structure and a theoretical model can be reduced.

The utility model relates to the technical field of gauge block grinding, in particular to a gauge block machining grinding plate device which comprises a base, the middle end of the top of the base is fixedly connected with an n-shaped frame, an electric push rod is fixedly installed at the middle end of the top of the n-shaped frame, and the extending end of the electric push rod is fixedly connected with a movable plate. Fixing blocks are fixedly connected to the left end and the right end of the bottom of the movable plate, driving threaded rods are movably connected to the inner sides of the two fixing blocks through bearings, and driving motors fixedly connected with the right sides of the driving threaded rods are fixedly mounted on the right sides of the fixing blocks. Through cooperation of the structures, the device has the advantage of being good in grinding quality, and the problems that most of grinding plates on existing grinding equipment grind gauge blocks in a reciprocating type linear track or a reciprocating type annular track, the same part of the gauge blocks can be repeatedly ground in the grinding mode, and the grinding efficiency is poor are solved. And grinding traces caused by repeated grinding can influence the surface quality of the gauge block.

The invention relates to the technical field of laser scanners, in particular to a tracking type laser scanner precision calibration method, which comprises the following steps: selecting a standard block gauge with a corresponding thickness from a standard block gauge set, and constructing a gap simulation test piece or a step difference simulation test piece through lapping; acquiring a reference value of the simulation test piece by using high-precision metering equipment, driving a to-be-calibrated tracking type laser scanner to scan the simulation test piece at a plurality of measurement positions for multiple times, and recording original measurement data; based on the reference value and the original measurement data, a measurement error and a repeatability error are calculated, and the measurement precision of the tracking type laser scanner is evaluated; and if the measurement precision does not meet the preset standard, establishing a segmented error model through multi-distance data acquisition, calibrating compensation parameters and dynamically correcting a measurement value in real time. The precision of gap and order difference measurement of the tracking type laser scanner can be improved, the cost is low, and the operation is convenient.

The invention relates to a measuring tool, comprising: a gauge rod; the number of the clamps is two, each clamp comprises a first clamp and a second clamp, the first clamp and the second clamp are matched to form a first clamping space and a second clamping space, and the meter rod is arranged in the first clamping space in a penetrating mode and detachably connected with a clamp body; the detection piece comprises a positioning pin and a measuring meter, the positioning pin is connected with the second clamping space of one clamp, a body of the measuring meter is connected with the second clamping space of the other clamp, and a probe of the measuring meter is opposite to the positioning pin in position. During measurement, the standard gauge block is used to position the positioning pin and mark the zero point of the dial indicator, and then the positioning pin is locked and fixed. Then the measuring tool is placed at the annular groove to be measured, the probe is stretched out and drawn back to cross the interference structure and abut against the inner wall and the outer wall of the annular groove to be measured of the cylinder body with the positioning pin, the value of the measuring meter is read, the wall thickness value of the cylinder body at the annular groove is obtained, rapid measurement and verification are achieved, and batch quality risks are avoided.

The utility model discloses a ceramic gauge block grinding and calibrating device, which relates to the technical field of ceramic gauge blocks and comprises a bottom plate, an L-shaped plate is fixedly connected to the upper end of the bottom plate, an electromagnetic chuck is fixedly connected to the lower end of the L-shaped plate, and a moving block is electromagnetically attracted in the electromagnetic chuck. A size measuring instrument is fixedly mounted at the lower end of the moving block, a protective ring is fixedly connected to the outer surface of the size measuring instrument, a controller is fixedly connected to the upper end of the L-shaped plate, the controller is in signal connection with the electromagnetic chuck and the size measuring instrument, a placement groove is formed in the upper end of the bottom plate, and a machining table is fixedly connected to the interior of the placement groove; and when the size of the ceramic is changed, the deviation position of the ceramic can be corrected through the controller, so that the ceramic can be machined through the cutter, and the ceramic can be calibrated more quickly and conveniently.

The invention belongs to the technical field of gas chambers, and particularly relates to a dry-type gas chamber piston sealing wear detection device and method, and the device comprises a mounting rack, a measurement box disposed on the mounting rack, and an extraction handle. The extraction handle is detachably connected with the measuring box and the mounting frame; the measuring box comprises a cuboid shell with a top opening, a measuring block is arranged in the shell, one end of the measuring block is connected with one side wall of the shell through a spring, an opening is formed in the side wall opposite to the side wall, and the opening allows a part of the measuring block to penetrate through the opening and extend out of the shell; and a gland is arranged at the top of the measuring box. By applying the online detection device for the sealing wear of the piston of the gas chamber, the wear condition of the sealing rubber strip can be measured under the normal operation condition of the gas chamber, and the original operation process is not changed, so that online detection is realized.

The invention discloses a non-destructive modified vernier caliper and a method for measuring the bottom wall thickness of a narrow cavity, relates to the technical field of mechanical measurement tools, and aims to solve the problem of measurement of the bottom wall thickness of a narrow cavity of a spaceflight large shell section part. The caliper comprises a vernier caliper body, cylindrical ball top contacts are fixed at the lower ends of two caliper feet, a supporting block is slidably arranged on a main caliper, a positioning block is fixed on an auxiliary caliper, and a dial indicator is mounted on the positioning block; a clamping pin lengthening block can be connected between the clamping pin and the contact, all the components are connected through plug-in screws with soft copper pads, key components are made of 45 # steel which is blued after quenching, and the overall precision reaches 0.01 mm. The invention also discloses a measuring method, which comprises the following steps of: after zero calibration of the standard gauge block, extending the long contact into the cavity, arranging the short contact outside, and calculating the wall thickness according to a formula. The device can go deep into a narrow cavity for measurement, has the advantages of high precision, low cost, convenient operation and no damage, and is suitable for high-precision measurement requirements in the fields of spaceflight and the like.

The invention relates to the technical field of industrial three-dimensional part measurement, and discloses a standard gauge block for measuring an industrial three-dimensional part, which comprises a measurement standard block body and a measurement system of mobile phone software, a color block is arranged outside the measurement standard block body, a two-dimensional code is installed outside the measurement standard block body, and the color block is connected with the two-dimensional code. And a magnetic attraction block is fixedly mounted in the measurement standard block body. According to the standard gauge block for measuring the industrial three-dimensional part, through combination of software and hardware, a measurement standard block body with a standard size is firstly created, and through photographing of mobile phone software, image processing and recognition, algorithm addition and spatial three-dimensional calculation of the measurement standard block body, the size of the part in each direction in a picture is calculated; if the shot part is an article trained by the system, automatically marking the length, width, height and key overall dimension of the part by software; if the part is a non-trained part, software automatically marks a line on the picture to mark measurement data, so that a user can conveniently and intuitively check and export the data.

The utility model discloses a track gauge block detacher for a railway track, which relates to the field of track traffic, and comprises a sleeper, a track gauge block, a steel rail and a stress application rod, the lower end of the stress application rod is detachably connected with a buckle iron sheet device, the buckle iron sheet device is rotatably connected with an eagle beak bayonet device through a positioning bolt, and the stress application rod is slidably connected with a sliding sleeve device. According to the gauge block dismounting device, gauge blocks of different specifications can be dismounted on the premise that the eagle beak bayonet device is not replaced, the gauge block dismounting device is very convenient to use, in addition, the sliding sleeve device is matched with the pull rod device, and the dismounting efficiency is improved. Stable buffering force is applied to the eagle beak bayonet device to keep a proper posture, the eagle beak bayonet device is prevented from being stuck, the sliding sleeve device is moved up and down, and the opening and closing degree of the eagle beak bayonet device is adjusted through the pull rod device, so that a worker does not need to bend down to adjust with hands, the labor intensity of the worker is reduced, and the track maintenance efficiency is greatly improved.

The invention relates to a high-precision gauge block support device which comprises a measuring instrument combination, a zero-clearance sliding device and an eccentric fine adjustment device. And the zero-clearance sliding device and the eccentric fine adjustment device form an adjustable main body which is arranged on the measuring instrument combination. Gaps can be eliminated under the action of the elastic force of the spring when the device moves up and down; and meanwhile, gaps caused by abrasion generated in the movement process of mechanical matching can be eliminated.

The utility model relates to the technical field of aluminum alloy hub manufacturing, and discloses a hub center hole detection plug gauge which comprises a gauge seat, a telescopic gauge block is slidably connected to the gauge seat, the telescopic gauge block is arranged corresponding to a hub center hole and is used for measuring the aperture of the hub center hole, the gauge seat is provided with a sliding hole along the radial direction, and the sliding hole is provided with a through hole. The telescopic gauge block is connected in the sliding hole in a sliding mode through a connecting rod, the gauge seat is provided with a gauge head used for indicating measurement readings, and the gauge head is in transmission connection with the telescopic gauge block. The hub center hole measuring device overcomes the problems that in a traditional hub center hole measuring mode, an inner diameter dial indicator depends on the measuring technique of an operator, specific reading cannot be obtained when a go-no go gauge is used for measuring, and the efficiency is low when a three-coordinate measuring machine is used, the measuring precision is guaranteed, and the measuring efficiency is improved.

This invention discloses a track fastener, including a pre-embedded sleeve embedded in a sleeper, a base, a gauge plate, and a spiral spike. The gauge plate is mounted on the base, and both the base and the gauge plate have through holes for the spiral spike to pass through. The spiral spike is connected to the pre-embedded sleeve to fix the base and the gauge plate. The gauge plate has at least two adjustment slots that can be pressed against the rail base to adjust the track gauge. The distance between the contact point of each adjustment slot and the side of the rail base and the center of the spiral spike is different. The gauge plate is rotated to allow different adjustment slots to engage with the rail base to adjust the track gauge. This track fastener eliminates the spring clips and gauge blocks in traditional fastener systems, adding a gauge plate that can adjust the track gauge, resulting in better overall fastener integrity, fewer parts, easier adjustment, and reduced maintenance costs.

The utility model provides an intelligent storage and calibration device for standard gauge blocks, which relates to the technical field of storage and calibration devices for standard gauge blocks and comprises a storage cabinet, and an intelligent storage mechanism is arranged on the front side of the storage cabinet and in the storage cabinet. The intelligent storage mechanism comprises a PLC, the back face of the PLC is fixedly connected with the front face of the storage cabinet, the inner side wall of the storage cabinet is fixedly connected with pushing telescopic rods arranged at equal intervals, and each pushing telescopic rod is in signal connection with the PLC through a wire. According to the intelligent storage and calibration device for the standard gauge blocks, the pushing telescopic rods at the corresponding positions are manually controlled, and the multiple containing frames are fixed through the fixing strips, so that the standard gauge blocks on the corresponding containing frames are conveniently pushed by driving the pushing plates until the appropriate standard gauge blocks between the two partition plates on the containing frames are pushed to the needed positions, and the standard gauge blocks are conveniently stored and calibrated. The standard gauge blocks required in the storage cabinet can be conveniently taken and placed, and the use convenience of the standard gauge blocks is improved.

The utility model discloses an injection mold for an insulating gauge block capable of quickly demolding, which belongs to the technical field of injection molds and comprises a workbench, a motor II and four groups of limiting rods I are fixedly mounted at the top of the workbench, and a connecting plate is fixedly mounted between the tops of two groups of limiting rods I positioned on the same side; a two-way lead screw is fixedly mounted at the output end of the second motor, a first moving plate and a second moving plate are in threaded connection with the outer side of the two-way lead screw, an injection mold body for the lower insulation gauge block is fixedly mounted at the top of the first moving plate, and a mounting base is fixedly mounted at the bottom of the second moving plate; the injection mold body for the upper insulating gauge block is fixedly mounted at the bottom of the mounting seat, automatic demolding is generally carried out in a relatively stable and accurate manner, and compared with manual demolding, the demolding force and direction can be better controlled, physical damage to the insulating gauge block is reduced, and the production efficiency is improved. And the risk of flaws, deformation or breakage of the product due to improper demolding is reduced, and the appearance quality and the size precision of the product are guaranteed.

The invention discloses a quantitative test method and device for meshing phase consistency of duplex planetary gears, and belongs to the technical field of precision gear detection. The method realizes high-precision measurement through an error transfer and compensation principle, and comprises the following steps of: firstly, manufacturing a reference conversion device which has the same parameter as a measured gear but is completely consistent with a theoretical phase, and measuring a tiny phase error of the reference conversion device by using a high-precision instrument to serve as a compensation value beta; then, the reference device is placed in a special measuring device, positioning is carried out through a gear tooth groove, the system reading is adjusted to be a beta value through an adjusting scale, and error calibration is completed; and finally, replacing with a duplex planetary gear to be measured, and measuring a reading change value gamma of the scale under the same condition, so that the value is the actual phase center offset of the gear pair, and quantitative evaluation is realized. The matched measuring device comprises a base platform, a central positioning bush, a small / large gear tooth groove positioning piece and a measuring module with a gauge block. According to the invention, a space angle error which is difficult to directly measure is converted into a linear dimension difference which is easy to measure, the industrial problem that the phase consistency of the duplex planetary gear cannot be accurately and quantitatively detected is solved, and the method has the advantages of advanced measurement principle, high precision and simplicity and convenience in operation.

The present disclosure provides a method and device for calibrating a shadowgraph, the shadowgraph comprising an objective table movable in a target plane and a lens movable relative to the objective table along a target direction, the method comprising: controlling the lens to be located at a target position; installing a calibrator on the shadowgraph and placing a calibration piece on the objective table, wherein the calibrator comprises a detection part fixed to the lens, and the calibration piece comprises a plurality of gauge blocks; forming a control scheme of the shadowgraph based on a positional relationship of the plurality of gauge blocks; controlling the objective table and the lens to move so that the detection part contacts each of the plurality of gauge blocks based on the control scheme; recording a moving distance of the lens in the target direction when the detection part contacts each of the plurality of gauge blocks; calculating a calibration error based on the moving distance and the positional relationship; and calibrating the shadowgraph based on the calibration error. According to the present disclosure, a portable method and device for calibrating a shadowgraph can be provided.

The present application belongs to the technical field of profile matching degree detection, and particularly relates to an outer profile gauge for a planet carrier, which comprises a rack and a portal frame arranged on the rack, and further comprises a sliding gauge assembly, a lifting assembly, a coaxial retaining assembly, a horizontal reversing assembly, a reversing adjusting assembly, a lifting guide assembly and a connecting rod assembly. The sliding gauge assembly is arranged on the rack, and the lifting assembly is arranged in the sliding gauge assembly. Through reciprocating lifting of the quick-release coupling, the profile matching degree of the current feature can be detected through transverse sliding of the sliding gauge block when the planet carrier workpiece is at a low position, and the planet carrier workpiece can be adjusted in the horizontal direction through abutment with the contact disc when the planet carrier workpiece is at a high position. In addition, through expansion of the coaxial retaining assembly, the position of the central axis of the planet carrier workpiece can be kept unchanged after the planet carrier workpiece is lifted away from the positioning pin.

The application discloses a kind of city area railway staggered vibration reduction fastener system, belong to rail transit field, including pre-buried sleeve pipe of pre-buried sleeper, elastic strip, gauge block and with pre-buried sleeve pipe matching connection anchor bolt, T bolt and with matching nut, sleeper and rail are sequentially provided with buffer pad, first rigid pad, elastic pad, second rigid pad and track pad along sleeper to rail direction between sleeper and rail.The first rigid pad is provided with one first boss and one second boss on each side of two sides in horizontal direction.The first through hole is opened in the first boss corresponding to the second rigid pad, the recess is opened in the second boss corresponding to the second rigid pad, the stop block is arranged between the second boss and the recess, and the elastic strip seat is further arranged on the second rigid pad.The T-shaped slot is opened in the elastic strip seat corresponding to the T-shaped bolt.The city area railway staggered vibration reduction fastener system can meet the operating characteristics of high speed, small and multiple curve radius of city area railway, and meet the vibration reduction reference demand.

The application discloses a high-precision gauge block automatic measuring device based on double-wavelength phase-shifting interference and belongs to the technical field of gauge block measuring devices, which comprises two groups of heat preservation boxes, a partition chamber fixedly installed between the two groups of heat preservation boxes, CCD cameras fixedly installed at both ends in the partition chamber and facing the heat preservation boxes through second window surfaces, the second window surfaces being arranged at both ends in the partition chamber, converging mirrors fixedly installed in the heat preservation boxes, mounting tables fixedly installed at one end of the outer surfaces of the two groups of heat preservation boxes, frequency-stabilized lasers fixedly installed on the mounting tables and having laser emitting ends aligned with collimating mirrors in the heat preservation boxes through first window surfaces, the first window surfaces being arranged at one end of the heat preservation boxes, and the collimating mirrors being fixedly installed in the heat preservation boxes. Through the design of the angle rotation adjusting mechanism, the high precision of large-size gauge block measurement is realized by the deep integration of optical principle innovation, mechanical structure optimization, automatic control and environmental isolation technology.

The utility model discloses a micrometer screw rod and measuring anvil bonding assistive device, which comprises a V-shaped block and a flat gauge block, the level of the V-shaped block is at least zero, the flatness of the flat gauge block is at least 0.2 u, the flat gauge block is arranged at one end of the V-shaped block, and the perpendicularity of the flat gauge block and the V-shaped block is at least 2u through adjustment. The auxiliary tool composed of the flat gauge block and the V-shaped block is adopted, and the alloy measuring head and the lead screw are bonded into a whole on the auxiliary tool in a bonding mode, so that the flatness of the measuring end face of the lead screw and the perpendicularity of the center of the lead screw meet the precision requirement.

The invention discloses a full-automatic grating type length measuring instrument for detecting the inner diameter and the outer diameter of a high-precision thin-wall part and a measuring method thereof, and belongs to the technical field of precision measuring instruments. The full-automatic grating type length measuring instrument comprises a measuring head and a measuring arm, and the output end of the measuring arm is connected with the measuring head through a rotating disc; the output end of the measuring arm is also provided with a driving mechanism for driving the measuring head to rotate; one end of a short arm side is connected with the internal measuring body, and one end of a long arm side is connected with the external measuring body; the long arm side middle of the main body is connected with a measuring arm; and the internal measuring body extends into the workpiece to be measured. The internal measuring unit is matched with the external measuring body to measure the inner diameter and the wall thickness of the measured workpiece, so that the inner diameter and the outer diameter of the measured workpiece are obtained; the device can be applied to detection and calibration of inner and outer diameters of high gauge blocks, gauges, ultrahigh-precision workpieces and high-precision thin-wall parts, perfects tool clamps corresponding to detected measuring tools and gauges, and has the advantages of being accurate in measured data, high in automation degree and wide in application range.

The utility model relates to the technical field of gear inspection, in particular to a gear inspection device, which comprises a base and is characterized by further comprising a first supporting plate, a second supporting plate, a clamping assembly, a third supporting plate, an inspection plate, a support, a gauge block and a limiting assembly, and the first supporting plate, the second supporting plate and the third supporting plate are all arranged at the top of the base; the inspection plate is arranged at the top of the first supporting plate, and one side of the inspection plate is provided with a tooth groove which is used for being matched with convex teeth of the gear; the clamping assembly is arranged at the top of the third supporting plate and used for fixing the gear. The support is arranged above the base, the block gauge is connected to the support in a sliding mode, a square block is arranged at the bottom of the block gauge and used for being matched with a square groove in the top of a gear, and the limiting assembly is used for limiting the block gauge. According to the device, whether the position degrees of the convex teeth and the square grooves and the position degrees of the strip-shaped grooves meet the requirements or not can be rapidly detected at the same time, the detection accuracy is guaranteed, and the detection efficiency is improved at the same time.

The invention discloses a large-scale shaft part laser tracker length in-situ measurement device and a large-scale shaft part laser tracker length in-situ measurement method. Comprising a large main shaft part, a tilt angle sensor, a target ball, a target ball seat, an inverted V-shaped gauge block and a laser tracker, the target ball is fixedly installed on the upper end face of the inverted V-shaped gauge block through the target ball seat, and the tilt angle sensor is installed on the upper end face of the inverted V-shaped gauge block, located on one side of the target ball and used for detecting the placement angle of the inverted V-shaped gauge block. A V-shaped groove in the lower end of the inverted-V-shaped gauge block is connected with the peripheral face of the large spindle part, and the laser tracker is arranged on one side of the large spindle part and used for emitting a laser beam to the target ball so as to obtain the three-dimensional coordinates of the target ball according to the laser beam reflected by the target ball. According to the invention, precise measurement of the length of the large shaft part is realized, and the method has the advantages of large measurement range, high measurement efficiency and high measurement precision.

The utility model relates to the technical field of rail transit, and discloses an insulating wrapping piece for a steel rail, which comprises a wrapping body, the parcel body comprises a bottom surface and a protection surface; the bottom surface is arranged on the bottom surface of the steel rail; the protection surface is arranged outside the bottom surface; an avoiding position is arranged on the protection surface; and a wear-resistant part is arranged on the avoiding position. By adopting the wear-resistant part with a composite structure, the contradiction between the thickness and the bending property is ingeniously solved on the premise of ensuring that the position of the gauge block has enough wear-resistant protection and insulating properties. During installation, the insulation wrapping piece can be easily bent to meet various angle and shape requirements in the fastener installation process, the installation difficulty is greatly reduced, the construction efficiency is improved, rework and material waste caused by the installation problem are reduced, and a powerful guarantee is provided for rapid promotion of a rail transit project.

The present disclosure provides a calibration method and a calibration device for an imaging instrument, the imaging instrument comprising a stage moving in a target plane and a lens moving in a target direction perpendicular to the target plane, the calibration method comprising a preparation step and a calibration step, the preparation step comprising: controlling the lens to be at a target position, installing a calibration instrument on the imaging instrument, placing a calibration piece on the stage, the calibration piece comprising a plurality of gauge blocks arranged in the target direction, moving a probe part between adjacent gauge blocks, and forming a control scheme of the imaging instrument based on a positional relationship of the plurality of gauge blocks, the calibration step comprising: controlling the stage and the lens to move based on the control scheme so that the probe part contacts the gauge blocks, recording a moving distance of the lens in the target direction when the probe part contacts the gauge blocks, calculating a calibration error based on the moving distance and the positional relationship, and calibrating the imaging instrument based on the calibration error. According to the present disclosure, a portable calibration method and a calibration device for calibrating the imaging instrument can be provided.

The utility model belongs to the technical field of measurement and detection, and discloses a depth template detection tool, which comprises a base (1), a spring pressing plate (2), a standard square block (3), a pressing block (4), a depth micrometer (5), a detected depth template (6) and a gauge block (7), the base comprises a bottom plate which is horizontally arranged and a vertical plate which is vertically arranged at the left end of the bottom plate; the depth micrometer (5) is arranged at the right end of the bottom plate, the measured depth template (6) and the gauge block (7) are arranged on the bottom plate in parallel, and the left ends of the measured depth template (6) and the gauge block (7) are flush with the right end surface of the standard square block (3); a spring pressing plate (2) is arranged between the left end surface of the standard square block (3) and the vertical plate; the measured depth sample plate (6) is pressed on the bottom plate through the pressing block (4); and the length of the gauge block (7) is the same as the designed length of the measured depth sample plate (6). The device can be applied to the verification work of the depth sample plate, the accuracy of the verification result is improved, and the verification work time is shortened by 30%.

The utility model relates to the field of tobacco processing, and discloses a gap adjusting auxiliary device and a filter tip assembling machine, the gap adjusting auxiliary device comprises a positioning support and a gauge block, the positioning support is detachably installed on a drum wheel, the gauge block is detachably installed on the positioning support, and the gauge block is located in a gap defined between the drum wheel and a washboard; the gauge block is provided with a first binding face matched with the outer surface of the drum wheel and a second binding face matched with the scraping strip. According to the invention, the positioning support detachably mounted on the end face of the drum wheel and the detachably connected gauge block are arranged, the first binding surface of the gauge block is matched with the outer surface of the drum wheel, and the second binding surface is matched with the scraping strip, so that the problem of unstable positioning caused by manual operation in a traditional measuring rod measurement method is solved; the design of the double binding surfaces of the gauge block realizes the accurate calibration of the gap between the drum wheel and the scraping strip, and the parallelism of the scraping strip and the drum wheel groove is obviously improved.

The utility model discloses a rail fastener convenient to install, which comprises a fastener main body and a fastener support, the fastener main body is positioned at the upper end of the fastener support, a rail lower cushion plate is positioned between the fastener main body and the fastener support, insulating gauge blocks are arranged on the fastener support and on the two sides of the fastener main body, and the insulating gauge blocks are arranged on the fastener support. An elastic strip main body is positioned on the insulating gauge block, an elastic strip positioning assembly is integrally formed at the end part of the elastic strip main body, the elastic strip positioning assembly is fixed at the upper end of the fastener main body, and screw spikes are positioned among the insulating gauge block, the elastic strip main body and the fastener support. According to the rail fastener convenient to install, the elastic strip positioning assembly and the adjustable rapid positioning mechanism are arranged, the rail fastener can be conveniently and rapidly fixed, the laying construction efficiency of the rail fastener is improved, the fastening effect of the rail fastener can be improved, and the conditions of loosening and deviation are not prone to occurring.

The invention provides a ballastless track continuous supporting fastener with wing sleepers, and belongs to the technical field of track traffic. The ballastless track with the winged sleepers includes a track bed and the winged sleepers which are arranged at intervals in the longitudinal direction of the track bed, and the two sides of a steel rail are buckled and supported on the winged sleepers through continuous supporting fasteners; the continuous supporting fastener comprises a buckling and pressing assembly, an adjusting assembly and an elastic supporting assembly. Wherein the gauge blocks and the gauge baffles are combined to adjust the gauge; coupling the positioning base plate, the height adjusting base plate and the gauge apron to adjust the rail height through the combination of the height adjusting base plates; the wedge-shaped downslope base plate is used for adjusting the longitudinal fall between the adjacent track plates; accurate adjustment of the track gauge, the track height and the longitudinal fall is achieved; the elastic supporting assembly provides continuous elastic supporting for the steel rail. And screw spikes in the buckling and pressing assemblies enable the II-type elastic strips to press the gauge blocks and the gauge baffles. The problems that a traditional ballastless track fastener is uneven in rigidity, insufficient in adjusting capacity, poor in vibration reduction performance and the like are solved.

The utility model belongs to the technical field of measuring tool verification, and discloses a measuring tool indicating value error verification device which comprises a supporting plate, a supporting plate height adjusting mechanism, a supporting rod, a connecting part of the supporting rod and a base and the base, the supporting plate is provided with a height gauge verification position for providing a positioning hole for a height gauge, and the supporting plate is installed on the supporting plate height adjusting mechanism. The back of the supporting plate height adjusting mechanism is provided with a clamp structure matched with the supporting rod, and the supporting rod is fixedly connected with the base through the connecting portion of the supporting rod and the base. According to the utility model, the gauge blocks are stably supported in a free state, an operator does not need to hold the gauge blocks, the labor intensity is reduced, the gauge blocks are tightly matched, the operation frequency is reduced, and all operations can be completed by one person.