69results about "Plug gauges" patented technology

There is provided an inside-diameter measuring unit capable of automating inside-diameter measurement and a control method for automatic inside-diameter measurement. An inside-diameter measuring part is supported by a support frame part via a floating joint part. The floating joint part includes a rotation-allowing mechanism part and a translation-allowing mechanism part. A measuring head part of the inside-diameter measuring part is inserted into a hole by a robot arm part. The inside-diameter measuring part adjusts its position and posture autonomously by the reaction force when a contact point pushes against the inner wall of the hole to align the axis of the inside-diameter measuring part with the axis of the hole. An electric inside-diameter measuring unit can automatically measure the inside diameter of a hole.

Provided are a measuring tool and a measuring method capable of improving the measurement accuracy of the axial center position of a female screw. Since the pitch p of the external thread 12 in the shaft portion 11 of the measuring tool 10 is different from the pitch P of the female screw 31 in a specific standard, when the shaft portion 11 is fitted to the female screw 31 while rotating the measuring tool 10, the flanks 13 and 33 of the external thread 12 and the female screw 31 come into contact with each other at two positions separated in the axial direction, and the rotation of the measuring tool 10 stops. As a result, in a method of measuring the axial center C2 position of the female screw 31 by applying a stylus 40 to the plug portion 15 of the measuring tool 10 fitted to the female screw 31, the measurement accuracy can be improved.

This utility model belongs to the field of measuring tool technology, specifically referring to a ratchet-type feeler gauge box with expandable slots; it includes: a box body with at least one slide groove; a slider unit slidably disposed within the slide groove, the slider unit having a pushing part, a mounting part for fixing and connecting the feeler gauge, and a first positioning structure; a second positioning structure disposed on the box body, the first positioning structure cooperating with the second positioning structure to lock the slider unit in a predetermined position on the box body; and a cover plate disposed at the end of the box body, the cover plate being used to prevent the slider unit from disengaging from the end of the slide groove. This utility model, through the above technical solution, provides a feeler gauge box that enables one-handed operation, accurate positioning, and is safe and reliable.

A special gauge for rapidly detecting the shape and size of an automobile front axle comprises a base, a left limiting block, an inclined plane supporting block, a right limiting block, a double-axis sliding block, a sliding block baffle and a forge piece, the section structure of the base is of a U-shaped structure, and the left limiting block and the double-axis sliding block are installed at the left end and the right end of the base respectively. A bevel supporting block is installed in the middle of the base, a right limiting block is installed on the upper surface of the double-axis sliding block, a sliding block baffle is installed on the edge of the double-axis sliding block, and a forge piece is installed between the left limiting block and the right limiting block. The device is high in detection speed, low in manufacturing cost and good in environment adaptability; and the training cost is low.

The utility model provides a go / no-go gauge testing fixture for measuring a hub center hole, comprising a go / no-go gauge testing fixture assembly, the go / no-go gauge testing fixture assembly comprises a go / no-go gauge handle, a go / no-go gauge go end and a go / no-go gauge no-go end, the go / no-go gauge no-go end is arranged at one side of the rear side of the go / no-go gauge go end inserted along the measuring direction of the go / no-go gauge go end, and the go / no-go gauge go end is arranged at the other side of the go / no-go gauge go end. One end of the go / no-go gauge handle is fixedly connected with the go / no-go gauge no-go end and the go / no-go gauge go end; as the go-no go gauge go end and the go-no go gauge no-go end are both arranged at one end of the go-no go gauge handle, during detection, the go-no go gauge go end firstly enters a center hole to be detected, after the go-no go gauge go end is detected to be qualified, the go-no go gauge go end continues to extend into the center hole to be detected, and if the go-no go gauge no-go end cannot enter the center hole, the center hole is detected to be qualified; when the go / no-go gauge detection tool is used for detection, the go / no-go gauge detection tool only needs to extend in a single direction, detection is not carried out twice compared with turning around and direction changing, the operation is more convenient and faster, and the detection efficiency is higher.

The utility model relates to the technical field of elevators, and provides a feeler gauge for elevator detection, which comprises a connecting frame, a moving frame, an insertion hole, a support rod, a buffer spring, a moving block, a measuring plate, an insertion rod, a moving strip and an insertion column, the moving frame is arranged in the connecting frame, the outer side surface of the moving frame is provided with the insertion hole, the support rod is arranged in the moving frame, and the buffer spring is arranged on the moving block. A buffer spring is installed in the moving frame, a moving block is slidably connected into the moving frame, the measuring plate is installed on the inner side face of the moving block, the inserting rod is arranged in the measuring plate in a penetrating mode, a moving strip is installed at the end, away from the measuring plate, of the inserting rod, and an inserting column is installed on the side, close to the measuring plate, of the moving strip. The outer surfaces of the supporting rods penetrate through the buffer springs and the moving blocks, and the inserting columns penetrate through the inserting holes in the tops. According to the technical scheme, the problem that a feeler gauge is difficult to cling to a gap in the prior art is solved.

A digital threaded plug gauge, including a barrel, a sleeve disposed around the barrel configured to move up and down with respect to the barrel, the sleeve including a serrated rod having serrations thereupon, a spring attached to the serrated rod to allow for elastic functionality of the serrated rod as the sleeve moves up and down with respect to the barrel, and a sprocket disposed within the sleeve to cause the serrations of the serrated rod to catch upon the sprocket to allow the digital threaded plug gauge to obtain a depth reading corresponding to a distance that the sleeve has traveled, a display unit to display a distance that the sleeve has traveled, and a caliper circuit board to sense a distance that the sleeve has traveled with respect to the barrel, thereby allowing the display unit to display the distance that the sleeve has traveled.

The utility model relates to an internal and external thread angle testing fixture assembly suitable for directional thread detection, comprising an internal thread angle testing fixture and an external thread angle testing fixture, the front part of an axial through hole of an external thread testing fixture main body is provided with an internal thread, and the rear part is slidably connected with an external thread positioning sleeve; the front end face of the external thread detection tool body and the front end face of the external thread positioning sleeve form a first positioning face and a second positioning face of the external thread angle detection tool respectively, the internal thread detection tool body is provided with external threads, and the internal thread positioning sleeve and the locking sleeve are both provided with internal threads and are screwed on the internal thread detection tool body. The angle scale sleeve is slidably connected with the internal thread detection tool body, and the front end face of the internal thread detection tool body and the front end face of the internal thread positioning sleeve form a first positioning face and a second positioning face of the internal thread angle detection tool respectively. According to the utility model, the thread detection of the directional thread can be facilitated, the processing of the directional thread is further facilitated, the cost is reduced, and the production efficiency is improved.

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.

The invention discloses a measurement method for measuring a clearance of a leakage-stopping ring of a hydropower station, and relates to the technical field of size measurement, and the method comprises the following steps: preparation work: cleaning the surface of each workpiece; measuring the gap of the lower anti-leakage ring, hoisting the rotating wheel into the bottom ring, and adjusting the rotating wheel to a horizontal state; a pushing mechanism is adopted to apply horizontal pushing force to the rotating wheel in the + X direction of the bottom ring until the rotating wheel stops moving; a measuring mechanism is adopted to measure the maximum gap and the minimum gap between the outer edge of the rotating wheel lower anti-leakage ring and the inner edge of the bottom ring lower anti-leakage ring in the + X direction and the-X direction of the bottom ring respectively; the difference between the maximum gap and the minimum gap is obtained, and the total gap in the X direction is obtained through calculation; measuring the gap of the lower anti-leakage ring in the Y direction; measuring the gap of the upper anti-leakage ring, namely hanging and buckling a top cover outside the rotating wheel, and adjusting the top cover to be in a horizontal state; the steps are repeated, and the total gaps of the upper leakage stopping ring in the X direction and the Y direction are measured respectively. According to the invention, the gap of the leak-stopping ring can be measured more accurately.

The utility model provides a pocket measuring plug gauge for a cylindrical roller bearing retainer. The pocket measuring plug gauge comprises a go end, a no-go end and a connecting piece, the go end and the no-go end are respectively connected to two ends of the connecting piece; the go end comprises a first go part, the not-go end comprises a first not-go part, the connecting piece is columnar, each of the first go part and the first not-go part is in a spherical shape with two groups of parallel tangent planes, one group of vertical tangent planes are perpendicular to the central axis of the connecting piece, and the other group of parallel tangent planes are parallel to the central axis of the connecting piece; wherein the diameter size of the first through part corresponds to the lower tolerance size of the diameter of the pocket of the cylindrical roller bearing retainer to be measured, and the diameter size of the first stop part corresponds to the upper tolerance size of the diameter of the pocket of the cylindrical roller bearing retainer to be measured. According to the utility model, technical parameters such as the diameter of the cage pocket can be measured and recorded during processing control, and the production precision of products is improved.

The present invention relates to an apparatus for adjusting the position of a shim plate installed in a slit mold coater for manufacturing an electrode, and a method for adjusting the position of a shim plate using the same. The device for adjusting the position of the gasket is characterized by comprising a gasket adjusting part which comprises a displacement measurer for measuring the offset of a gasket plate arranged in a mold block and a position adjuster for adjusting the position of the gasket plate according to the measured offset value, according to the present invention, the position of the gasket plate can be accurately and easily adjusted to the micron order during the assembly of the slit mold coater, thereby achieving excellent operability and productivity. In addition, the slit mold coater in which the position of the shim plate is adjusted according to the present disclosure has an advantage of manufacturing an electrode of a lithium secondary battery, which is highly reliable in terms of a loading amount of an electrode slurry, and the like, because an offset of the shim plate can be accurately adjusted.

The invention relates to the technical field of casting detection, in particular to a detection tool and method for a multi-cylinder and thin-wall flange combined rod-shaped casting. The detection tool comprises a base. A detection block is integrally formed at the top of the base; a step surface with the width D is formed between the right side surface of the detection block and the right side surface of the base, and the width D is equal to the difference of the design radius of the first cylinder and the design radius of the third cylinder; a supporting table is arranged on the top surface of the base and is used for being supported on the lower surface of a flange plate; four positioning columns are arranged on the right side face of the base and arranged in a rectangular shape, and the spacing distance d between the two rows of positioning columns is equal to the diameter D2 of the third column body. The distance from the symmetric center of the two rows of positioning columns to the rear side surface of the detection block is B; the design value of the distance from the front side surface of the flange plate to the central axis of the third cylinder is L; b is equal to L.

A floating drift apparatus for verifying the inner diameter of tubulars as the tubulars are made up into a tubular string being run into a wellbore. A float section provides buoyancy to float the apparatus in fluid within the bore of a tubular, and a drift section has a drift element with a diameter substantially equal to the tubular inner diameter being verified, which may be the drift diameter. When running a tubular string, the apparatus is inserted into the bore of the tubular string, floating in the fluid. As joints of tubular are made up and run into the wellbore, the tubulars move downhole around the apparatus. Preferably, the floating drift apparatus can be visually detected. If an undersize ID is encountered, the floating drift apparatus will be pushed downhole and no longer visible; the operator can remove the undersize ID tubular from the string.

The utility model relates to the technical field of elevator maintenance, in particular to a feeler gauge for elevator door slot detection, which comprises a transverse plate, a connecting shaft is fixedly connected to the left side of the opposite side of the transverse plate in a penetrating manner, a gauge sheet is movably sleeved on the surface of the connecting shaft, and chutes are formed in the front side and the rear side of the opposite side of the transverse plate. A sliding block is slidably connected to an inner cavity of the sliding groove, and a scraper knife is riveted to the opposite side of the sliding block. Through cooperation of the sliding groove, the sliding block, the scraper knife, the frame body and the limiting block, the plastic strip is pressed, the plastic strip drives the lower pressing block to move downwards, the lower pressing block presses the limiting block downwards, limiting on the scraper knife is relieved at the moment, then the scraper knife is pulled towards the right side, and after the scraper knife moves to a certain position, the top of the limiting block extends into the through hole in the right side. And a user shovels and cleans impurities attached to the surface of the door frame through the scraper knife, and then measurement operation is carried out.

The invention relates to the technical field of digital calibration of a measuring plug gauge after a bolt hole is reamed before an aviation product is assembled, in particular to a digital calibration device for an aperture measuring cylindrical plug gauge, which can realize the digital calibration of the reamed aperture measuring plug gauge before the aviation product is assembled, improve the calibration efficiency and accuracy and reduce the production cost. And the influence of man-made states is avoided.

The internal calipers are made entirely of carbide. They are hand-ground to a specific diameter, for example, 0.160 mm (see Figures 1 to 4). These calipers are mounted and glued into a base holder (Figure 5). These calipers are used in an internal thread measuring device on gauge measuring machines.

The utility model relates to the technical field of wall detection, in particular to a combined type wall detection device which comprises a holding column, a multi-stage telescopic rod is fixedly connected to the holding column, a hammer head is fixedly connected to the multi-stage telescopic rod, a mounting groove is formed in the holding column, a rotating shaft is rotationally connected into the mounting groove through a bearing, and the hammer head is fixedly connected to the holding column. The rotating shaft is fixedly connected with a wedge-shaped feeler gauge, the wedge-shaped feeler gauge is fixedly connected with a limiting strip, the limiting strip is sleeved with a movable sleeve, the movable sleeve is fixedly connected with a connecting block, the holding column is provided with a conduction groove, the conduction groove is communicated with the mounting groove, and the connecting block is fixedly connected with the wedge-shaped feeler gauge. And a spring is fixedly connected between the conduction groove and the connecting block. The wedge-shaped feeler gauge has the advantages that the situation that the wedge-shaped feeler gauge rotates out when a wall body is knocked is avoided, and the situation that interference is caused when the wall body is knocked is avoided.

A slot mold alignment apparatus is disclosed, including: at least one position control unit coupled to a slot mold to adjust and measure a position of a shim plate, where the position control unit includes: a clamp configured to be detachable at a front end of the slot mold; and a control unit coupled to the jig so as to be slidable on the jig.

To provide an inner diameter measurement unit capable of automatizing inner diameter measurement, and a control method of an automatic inner diameter measurement.SOLUTION: An inner diameter measurement part is supported to a support frame through a floating joint part. The floating joint part comprises: a rotation permission mechanism part for permitting the inner diameter measurement part to rotate to the support frame part; and a translation permission mechanism part for permitting the inner diameter measurement part to translate to the support frame part. A measurement head part of the inner diameter measurement part is inserted into a hole by a robot arm part. By reaction force when a probe presses an inner wall of the hole, the inner diameter measurement part autonomously adjusts the position and posture, and an axis line of the inner diameter measurement part and an axis line of the hole match. By an electrically driven inner diameter measurement unit (electrically driven inner diameter measurement tool, robot arm part), an inner diameter of the hole can be automatically measured.SELECTED DRAWING: Figure 16

The utility model discloses a novel plug gauge relates to plug gauge technical field, the utility model discloses a mounting frame is fixedly installed in the bottom of handle, and the both sides between mounting frame inner wall rotatably installs rotating roller. The utility model discloses through the cooperation between the multiple specifications plug gauge measuring head, rotating roller and positioning assembly, realized single tool to multiple aperture or slot width's quick switching measurement, and operating personnel only need to rotate rotating roller and lock positioning assembly, can accurate positioning required measuring head to the working position, avoided the frequent replacement problem of traditional plug gauge because of the limited number of measuring head, effectively reduced the measurement process interruption frequency, reduced the tool management complexity, significantly improved the efficiency of multiple specifications batch detection task, and utilize the structure that sliding cover board cooperation fixed assembly is along handle axial adjustable, adapts the holding length habit of different operating personnel and complex measurement space demand, further improved the operation convenience.

The utility model provides a thread gauge gauge with the thread groove, this thread gauge gauge with the thread groove, including the protection pipe, the thread gauge is arranged in the protection pipe inside slidingly, the protection pipe inside is provided with the moving component, the moving component is used for driving the thread gauge to retract in the protection pipe inside, the one end fixedly connected with the fixed link of protection pipe, the moving component includes the connecting rod fixed setting in the one end of thread gauge, the connecting rod top and bottom all are fixedly connected with the moving block, the moving ring is fixedly connected with the moving block outside, the moving groove that uses cooperation with the moving block is all seted up to the protection pipe top and bottom, is provided with the thread detection part outside the thread gauge, is provided with the taper portion one end of thread gauge. The utility model provides a thread gauge gauge with the thread groove solves when using the thread gauge, the burr in the thread hole can destroy the work piece's screw thread, and lacks the protection structure to the measurement thread head, and the problem of inconvenient use is more.

The utility model relates to the technical field of elevator door detecting instruments, in particular to an elevator door gap comprehensive measuring instrument which comprises a base, and the right side of the base is connected with a handle through a pressure sensor. A plug plate is fixed to the lower end of the left side of the base, a guide groove is formed in the base, and an ejector pin and an elastic piece used for elastically driving the ejector pin to stretch out of the guide groove are arranged in the guide groove; the ejector pin is perpendicular to the plane where the plug plate is located. A measuring scale extends from the left side of the base. In practical application, the ejector pin is elastically driven to extend out to measure the gap between the door leaf and the stand column; the pushed-out measuring scale is used for measuring the gap when the force is applied to the door slot; the tool can be operated by one person, the ejector pin is perpendicular to the plane of the plug plate, and the problems that errors are caused by angles in the prior art, personnel cooperation is needed, and operation is tedious are solved.

To provide an inside diameter measuring unit capable of automating the inside diameter measurement and a control method of automatic inside diameter measurement.SOLUTION: An inside diameter measuring part is supported by a support frame via a floating joint part. The floating joint part includes a rotation allowing mechanism allowing the inside diameter measuring part to rotate with respect to the support frame part, and a translation allowing mechanism allowing such displacement that the inside diameter measuring part translates with respect to the support frame part. A measurement head of the inside diameter measuring part is inserted into a hole by a robot arm part. The inside diameter measuring part autonomously adjusts a position and an attitude by reaction force when a probe presses an inner wall of the hole, and accordingly, the axis of the inside diameter measuring part matches the axis of the hole. The inside diameter of the hole can be automatically measured by an electric inside diameter measuring unit (an electric inside diameter measuring instrument and a robot arm part).SELECTED DRAWING: Figure 22

The utility model relates to the technical field of building engineering, disclose a building engineering surveying with plug rule, handle one is connected with the connecting column one outside wall fixedly, the inside setting of connecting column one has fixed component, fixed component includes press column one, press column one outside wall sliding connection is in the inside of connecting column one, press column one outside wall is equipped with spring no.

The utility model discloses a carbon slide plate edge distance detection tool, comprising a support plate used for placing a carbon slide plate to be detected thereon, one end face of the support plate being an inclined end face forming an included angle greater than 0 degree with an adjacent face; the positioning pieces are arranged on the upper surface of the supporting plate and used for positioning a plurality of holes, close to the end face to be detected, in the carbon slide plate; and the baffle plate is vertically arranged on one end surface of the supporting plate, is used for positioning the end surface of the carbon slide plate and extends along the inclined direction of the end surface. The carbon slide plate edge distance detection tool is simple in structure and convenient to use, can rapidly detect the edge distance of a carbon slide plate, is accurate in edge distance measurement, improves the detection efficiency, and ensures the service life and the safety of a product formed by installing the carbon slide plate on a pantograph subsequently; in addition, the utility model also provides a carbon slide plate edge distance detection assembly.

The application discloses a concrete micro-crack measuring device, and belongs to the technical field of building engineering detection. The device comprises a handle, multi-specification conical needles and an electronic vernier caliper. The conical needles are gradually tapered bodies with scales and are suitable for 0.1mm-10mm cracks. The measuring accuracy of the caliper is 0.01mm. During measurement, the matched conical needle is inserted into the crack until the needle is in close contact with the crack, and then the crack width is measured by the caliper, and the depth can be roughly estimated simultaneously. The concrete micro-crack measuring device has the advantages of simple structure, quick operation, accurate measurement, suitability for on-site concrete structure micro-crack detection and long-term monitoring and high practicability.

Disclosed herein relates to a slot die alignment device including: at least one position control unit that is coupled to a slot die to adjust the position of a shim plate and to measure the position of the shim plate, wherein the position control unit includes: a jig configured to be detachable at the front end of a slot die; and a control unit that is coupled to the jig to allow sliding on the jig.