231results about "Slide gauges" patented technology

Systems and methods described herein relate to a string measurement system including a gauge body including a string opening configured to receive a string of an instrument. An electronic gauge is coupled to the gauge body, and is configured to: engage the string disposed in the string opening to measure a width of the string, and generate a first signal indicative of the width. The system may include a display configured to generate a display a width of the string. The electronic gauge may include a pair of calipers that are configured to engage the string of the instrument for determining a width of the string.

The utility model provides a height gauge, and belongs to the technical field of measuring tools. The problem that a height gauge zeroing structure is complex is solved. The height gauge comprises a base with a reference surface, a main scale which is vertical to the reference surface and is arranged upwards is fixed on the base, a vernier scale capable of sliding along the main scale is sleeved on the main scale, a convex mounting arm is arranged on the side surface of the vernier scale, and the height gauge further comprises a round-rod-shaped marking pin, the mounting arm is provided with a mounting hole which is inclined upwards relative to the reference surface, the scriber is arranged in the mounting hole in a penetrating manner and can slide along the mounting hole, the mounting arm is in threaded connection with a locking bolt which can lock the scriber on the mounting arm, and the downward end of the scriber extends out of the mounting hole and is provided with a conical tip; and the inclination angle of the mounting hole relative to the reference surface is half of the tip taper angle. The height gauge is convenient in zero setting and simple in structure.

The present invention relates to PE pipeline detection, in particular to a method for quickly detecting the hot-melt butt flanging of PE pipelines. The method comprises the following steps: step A, making a detection ruler; step B, checking the ruler; step C, placing the detection ruler on the PE pipeline, and placing the outer end of the positioning pin in the middle of the weld of the flanging on both sides; step D, longitudinally shifting the vernier blocks of the first vernier ruler and the second vernier ruler so that the first measuring rod and the second measuring rod are close to the side of the flanging from both sides; step E, radially shifting the ruler rods of the first vernier ruler and the second vernier ruler so that the outer ends of the first measuring rod and the second measuring rod are in contact with the pipe wall of the PE pipeline; step F, reading; step G, determining the flanging symmetry detection result. The present invention performs 100% flanging symmetry and joint alignment detection on the joint, and the detection is fast and accurate, the detection efficiency is improved, and the construction quality is guaranteed.

The utility model provides a grassland stem girth measuring device for ecological restoration, which comprises a handle, a measuring device and a measuring device, the winding assembly is arranged on the inner side face of the mounting cavity; the measuring tape is wound on the outer side face of the winding assembly, and one end of the measuring tape extends to the outer side face of the handle; the caliper is arranged at one end of the handle, and the winding assembly comprises a rotating shaft and a torsional spring. According to the grassland stem circumference measuring device for ecological restoration, through mutual cooperation of the handle, the rolling assembly, the measuring tape, the caliper and other structures, when the grassland plant stem circumference is measured, the thick stem circumference and the thin stem circumference can be measured by a user through the measuring tape and the caliper respectively, the user does not need to carry many measuring tools, and the measuring efficiency is improved. Not only is the use of a user facilitated, but also the burden of workers is reduced.

The present invention provides a pressure molding device comprising a dimension measurement portion that is easy to apply in a die and capable of reliably measuring dimensions. One embodiment provides a pressure molding device comprising an upper die and a lower die arranged in a first direction, wherein the upper die comprises a first cam portion which allows, as one of the upper die and the lower die moves in the first direction, part of the lower die to move in a second direction that is different from the first direction, and a material fixing portion which fixes a material along with a material support portion according to the movement in the first direction, and the lower die comprises a second cam portion corresponding to the first cam portion, the material support portion supporting the material, and a molding portion which is moved along with the second cam portion and molds the material. In addition, the pressure molding device further comprises a dimension measurement portion which is located at the lower portion of the molding portion and is movable in the second direction.

The utility model discloses a double-reading caliper for measuring the size of a high-temperature part, relates to the field of measuring tools, and mainly aims to solve the problem that an operator is easily hurt by high-temperature radiation when measuring a high-temperature workpiece by using a caliper at present. The device comprises a fixed ruler and a movable ruler group which are in sliding fit, a left clamping jaw of the fixed ruler is provided with a left groove, and a left fixing cover outside a left ceramic measuring anvil in the left groove is connected to the left clamping jaw; two rows of scales are arranged on the front side face of the fixed ruler. A grating is arranged in a long groove in the front side face of the fixed ruler. The movable ruler group comprises a scale movable ruler, a connecting plate and a digital display movable ruler; the movable scale is connected to the left end of the connecting plate, a right clamping jaw of the movable scale is provided with a right groove, and a right fixing cover outside a right ceramic measuring anvil in the right groove is connected to the right clamping jaw; the convex edge of the fixed ruler is arranged in the sliding groove of the scale movable ruler, scales of the scale movable ruler are located on the front side face of the sliding groove, the digital display movable ruler seat is connected to the right end of the connecting plate, the digital display panel is fixed to the digital display movable ruler seat, and the sliding groove is formed in the digital display movable ruler seat. The utility model has the advantage of reducing the heat radiation harm to an operator.

The utility model relates to the technical field of measuring calipers, in particular to a special caliper for measuring the symmetry degree of a circular mould keyway, which comprises a caliper body, a short clamping foot piece and a long clamping foot piece are arranged on the caliper body in a sliding manner, a fine adjustment assembly is arranged on one side of the short clamping foot piece and is arranged on the outer side of the caliper body in a sliding manner, and a clamping pin is arranged on the long clamping foot piece. The utility model aims to solve the problems that the diameter of a circular mold is large, the weight is heavy, and the circular mold is difficult to move to a three-coordinate measuring machine, and the caliper is light and portable, is convenient to carry, is convenient to carry, and is convenient to use. The device can be directly used on a production line site, does not need to move the ring mold, meets the actual detection requirements of the production site, and reduces the detection cost and the operation complexity.

The utility model provides a device for measuring the head and the diameter of a cut flower, belongs to the technical field of cut flower, and solves the technical problems of how to quickly measure the head and the diameter of the cut flower and how to improve the measurement accuracy. A device for rapidly measuring the head and diameter of a cut flower comprises a main ruler, one side of the surface of the main ruler is slidably connected with an electronic measuring device, one side of the surface of the electronic measuring device is provided with a display screen, one side of the surface of the electronic measuring device is provided with an on-off key, a unit switching key and a zero setting key, and the other side of the surface of the electronic measuring device is fixedly provided with a sliding seat. One side of the surface of the sliding seat close to the electronic measuring equipment is provided with a through groove. According to the utility model, the diameter of the flower head or the flower diameter of the cut flower can be accurately and rapidly measured, and at the same time, the second moving mechanism is matched to enable one of the measuring claws to move, so that the measuring claw can be taken down without shaking the cut flower, the electronic measuring equipment is prevented from shaking, and the measurement accuracy is improved.

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 utility model relates to the technical field of mechanical mould processing, in particular to a surveying and mapping device for mechanical mould processing, which comprises a measuring block clamped on the outer surface of a body and used for limiting, an adjusting rod used for fastening is inserted on the side surface of the measuring block, and a groove used for positioning is arranged at the upper end of the body. A measuring scale used for limiting is clamped in the groove, and a limiting block used for positioning is fixedly connected to the side face of the body. According to the surveying and mapping device for mechanical mold processing, through cooperative arrangement of the body, the measuring block and the measuring scale, when a worker carries out measurement, the length and depth of the device can be measured, the practicability of the device is further improved, and the situation that the device can only carry out single measurement on the device, and when the depth and the inner wall thickness of the device are measured, the measurement time is shortened is avoided. And meanwhile, the measuring time of the working personnel is further reduced, and the labor intensity of the working personnel is reduced.

This invention discloses a novel internal clamping vernier caliper testing instrument, comprising a support base, a lower end pad on the upper surface of the support base, a support frame fixedly mounted on the upper rear surface of the support base, caliper fixing components on the left and right sides of the support frame, standard measuring blocks inside and on the upper part of the support base, several evenly distributed fixing grooves on the upper surface of the support base, a hydraulic cylinder mounted on the upper surface of the middle rear side of the support base, a movable plate connected to the top of the upper end of the hydraulic cylinder, a limit bracket at the connection between the middle of the movable plate and the support frame, and a first flat plate on the top of the upper end of the movable plate. This novel internal clamping vernier caliper testing instrument, through the use of the caliper fixing components, can fix the position of the vernier caliper, aligning it with the standard measuring blocks. By simply reading the measured value of the vernier caliper, the accuracy of the tested vernier caliper can be determined.

The utility model relates to the technical field of concrete detection equipment, and discloses a concrete test block size detection device which comprises a main ruler, one end of the main ruler is respectively and fixedly provided with a first outer measuring claw and a first inner measuring claw, and the main ruler below the first outer measuring claw is movably provided with a vernier. One end of the vernier is fixedly provided with a second outer measuring claw and a second inner measuring claw. The vernier below the second outer measuring claw is fixedly provided with a push block. The push block is provided with the vernier pusher, and the vernier pusher is composed of a first push-pull wheel, a second push-pull wheel, a first rotating shaft, a first guide disc, a second rotating shaft, a second guide disc, an ejector rod, a rotating ball and the like, so that the vernier can be pushed and pulled to move on the main ruler by means of the whole vernier pusher; and through cooperation of the adjusting block, the stud and the ejector rod, the abutting pressure of the rotating ball and the contact surface of the main ruler can be achieved, so that real-time limiting of the movement of the vernier is facilitated, the offset of the vernier during operation is reduced, and the accuracy of measured data is improved.

The utility model relates to the technical field of photographing and ranging, in particular to a portable photographing and ranging caliper, which comprises a first caliper, an extension caliper is slidably inserted on one side of the first caliper, the other side of the extension caliper is fixedly connected with a second caliper, and magnets are fixed on one side of the first caliper and one side of the second caliper. A sliding block is inserted into the back face of the first caliper and the back face of the second caliper in a sliding mode, a sliding block is fixed to one side of the sliding block, a movable column is fixed to one side of the sliding block, a round rod is inserted into one side of the movable column in a sliding mode, and a movable rod is fixed to the other end of the round rod. Through cooperative use of the first caliper, the second caliper, the extension caliper and the magnet, the purpose of adjusting the measuring length can be achieved, the length can be adjusted according to the size of a measured object, and a small object can be conveniently changed into a large object for measurement.

The present invention relates to a measurement unit for measuring the displacement of a bridge bearing positioned between a pier and an upper plate. More specifically, a pair of elevation measurement bodies that slide in the transverse direction along the lengthwise-direction of a base member are attached thereon, each elevation measurement body comprising a lower marker rod located on the base member and an upper movable rod that moves up and down from the top of the lower marker rod. As such, with the base member placed on the lower plate of a bridge bearing and a pair of elevation measurement bodies suitably slide-adjusted at both width-direction ends of the bridge bearing, the vertical distance between the upper and lower plates is measured at both sides using the elevation measurement bodies to rapidly measure the displacement of the bridge bearing.

The utility model relates to the technical field of measuring tools, and discloses a pipe fitting measuring tool, which comprises a main scale, a vernier scale is arranged outside the main scale, a depth gauge is arranged on one side of the rear end of the vernier scale, a first fastening screw is arranged at the upper end of the vernier scale, outer measuring claws are arranged at the lower ends of the vernier scale and the main scale, and the depth gauge is arranged at the lower end of the vernier scale. Inner measuring claws are arranged at the upper ends of the vernier scale and the main scale; the number of the front shells is two, a first fixing plate is slidably mounted in the left front shell, a second fixing plate is slidably mounted in the right front shell, a magnet is mounted on the right side of the lower end of the first fixing plate, an insertion pipe is mounted outside the magnet, and an iron insertion rod is mounted on the left side of the lower end of the second fixing plate. And side rods are arranged at the lower ends of the outer sides of the first fixing plate and the second fixing plate. According to the utility model, the side rod is additionally arranged outside the outer measuring claw, so that the inner groove in the pipe fitting can be measured conveniently.

The present invention provides a pressure molding device comprising a dimension measurement portion that is easy to apply in a die and capable of reliably measuring dimensions. One embodiment provides a pressure molding device comprising an upper die and a lower die arranged in a first direction, wherein the upper die comprises a first cam portion which allows, as one of the upper die and the lower die moves in the first direction, part of the lower die to move in a second direction that is different from the first direction, and a material fixing portion which fixes a material along with a material support portion according to the movement in the first direction, and the lower die comprises a second cam portion corresponding to the first cam portion, the material support portion supporting the material, and a molding portion which is moved along with the second cam portion and molds the material. In addition, the pressure molding device further comprises a dimension measurement portion which is located at the lower portion of the molding portion and is movable in the second direction.

The invention discloses a thread depth measuring device and method, and relates to the technical field of measuring tool gauges.The thread depth measuring device comprises a thread not-go end, a main ruler body and a thread go end, the thread not-go end and the thread go end are arranged at the two ends of the main ruler body respectively, a handle is arranged on the side, close to the thread not-go end, of the main ruler body, and a vernier caliper is movably connected to the main ruler body; one side of the vernier caliper is provided with a fixing nut, and the vernier caliper is movably connected with the main caliper body through the fixing nut. The two ends of the main ruler body are provided with the thread no-go end and the thread no-go end, through thread specification matching and standard thread angle design, thread specification precision inspection and scale matching of the main ruler body and the vernier caliper are achieved, the thread depth can be accurately measured in combination with positioning of the limiting block, and the antiskid design of the handle and the fixing nut ensure stable operation and accurate reading. The device is simple in structure and accurate in measurement, and can quickly complete thread depth detection and specification judgment.

The utility model belongs to the technical field of measuring devices, and particularly relates to a special-shaped digital display caliper for measuring the outer diameter of a wheel hub of a railway vehicle, which comprises a main caliper, a caliper frame is arranged on the main caliper in a sliding manner, and a digital display mechanism for displaying and processing measured data is mounted on the caliper frame. Outer measurement connecting blocks are fixedly arranged at the left lower end of the main ruler and the left lower end of the ruler frame, positioning blocks are fixedly arranged at the lower ends of the outer measurement connecting blocks, the lower surfaces of the positioning blocks serve as horizontal reference surfaces and are used for making contact with the upper end face of a hub, and clamping blocks are integrally arranged on the outer sides of the lower surfaces of the positioning blocks and are used for clamping the hub. A measuring claw is arranged at the lower part of the inner side surface of the clamping block and is used for being in contact with the outer circumferential surface of the hub; the measuring tool can be used for measuring any vehicle type, is low in purchase cost, can be used for process monitoring as a numerical measuring tool, and is favorable for improving the product quality.

The utility model belongs to the technical field of vernier calipers, and discloses a digital display vernier caliper capable of voice broadcast, comprising a caliper body, one side of which is provided with a high position positioning assembly; the high-position positioning assembly comprises a central through groove formed in the middle of the ruler body, an inner sliding block is arranged in the central through groove, and the two sides of the inner sliding block are fixedly connected with connecting plates respectively. The rotation of the rotating wheel can drive the lead screw to synchronously rotate in the central through groove. The lead screw is matched with the inner sliding block through threads, and rotation of the lead screw enables the inner sliding block to stably slide along the center through groove. Along with the sliding of the inner slide block, the upper push plate and the lower push plate which are connected with the inner slide block push the vernier to rise until the vernier reaches a required measurement position. By means of the design, the vernier can ascend, and the vernier can be positioned after reaching a designated position. And the vernier is effectively prevented from sliding downwards due to the action of gravity during high-altitude measurement.

The utility model discloses a wind generating set measuring device which comprises a vernier pipe ruler, a main pipe ruler, an elastic reset piece and a locking piece, the side wall of the vernier pipe ruler is provided with a strip-shaped groove which extends in the axial direction and is communicated with an inner cavity of the vernier pipe ruler, and vernier scales are arranged on the vernier pipe ruler along the edge of the strip-shaped groove; one end of the main pipe ruler is in sliding insertion connection with the main pipe ruler, main size scales are arranged on the main pipe ruler in the axial direction of the main pipe ruler, the top end of the main pipe ruler is located in the vernier pipe ruler, the bottom end of the main pipe ruler extends out of the bottom end of the vernier pipe ruler, and when the main pipe ruler moves in the axial direction of the vernier pipe ruler, the main size scales can sequentially pass through the strip-shaped grooves; the elastic reset piece is connected between the vernier pipe ruler and the main pipe ruler, and after the axial driving force borne by the main pipe ruler is relieved, the elastic reset piece can drive the main pipe ruler to reset. The locking piece is connected with the main pipe ruler and the vernier pipe ruler and used for locking and fixing the main pipe ruler and the vernier pipe ruler. The wind generating set measuring device can improve the measuring precision of the height of the upper and lower elastic bodies.

The utility model discloses a digital caliper, and relates to the technical field of calipers. The digital display caliper comprises a main caliper, an auxiliary caliper and a sealing piece. The auxiliary ruler comprises a sliding shell and a circuit board, the sliding shell is slidably arranged on one side of the main ruler, and the circuit board is arranged in the sliding shell; the sealing element is arranged on the side, away from the main ruler, of the circuit board and surrounds the peripheral side of the circuit board, and the side, away from the circuit board, of the sealing element abuts against the sliding shell. According to the digital caliper provided by the invention, signal interference in the use process of the digital caliper can be reduced, and the measurement precision is improved.

A brake disc inner distance ruler calibration device comprises a calibration measuring rod, a base, an indicating value calibration assembly and a measuring rod measuring force calibration assembly, the indicating value calibration assembly and the measuring rod measuring force calibration assembly are connected to the base, the indicating value calibration assembly comprises a movable measuring seat and an adjustable measuring seat, the bottom end of the movable measuring seat and the bottom end of the adjustable measuring seat are located on a base sliding rail, and the measuring rod measuring force calibration assembly is located on the base sliding rail. A fixed measuring head is arranged on the inner side of the movable measuring seat, a differential measuring head corresponding to the fixed measuring head in position is arranged on the inner side of the adjustable measuring seat, a microdrum capable of reading the distance between the fixed measuring head and the differential measuring head is connected to the outer side of the differential measuring head, and the measuring rod measuring force calibration assembly comprises a force measuring screw positioning seat, a force measuring adjusting screw and a dynamometer. The force measuring screw positioning seat is connected with the front side of the movable measuring seat through a connecting device, and the dynamometer is connected with the front side of the adjustable measuring seat through a connecting device. According to the utility model, verification and calibration of the indicating value of the brake disc inner distance ruler and the measuring force of the measuring rod can be simply and rapidly completed, and the detection precision and efficiency are effectively improved.

The invention belongs to the field of iron core height prediction, and particularly relates to an iron core height prediction device which comprises a base, a bearing mechanism, a self-locking mechanism and a measuring mechanism. The self-locking mechanism comprises a connecting base arranged on one side of the bearing mechanism, the connecting base is connected with an L-shaped movable arm, and the measuring mechanism is arranged on one side of the containing groove and used for measuring the height value of the laminated punching sheets. By means of the design, the situation that the stacking height and the measuring result are affected due to different strength of different persons is avoided, the measuring process is simple, operation is convenient, the accuracy of the measuring result is guaranteed, the advantages of being low in cost and convenient and fast to maintain are achieved, the stacking number of the punching sheets can be conveniently adjusted in real time, and remeasurement verification is facilitated.

This utility model relates to an auxiliary device for measuring the dimensions of burred and blunt edges, belonging to the field of auxiliary measuring tooling technology. It includes a vernier caliper with fixed and movable jaws, and a measuring blade detachably connected to both jaws. The measuring blade has a tip and is magnetic, allowing it to be attracted to the jaws of the vernier caliper. This auxiliary device for measuring the dimensions of burred and blunt edges eliminates the need for grinding burrs or manually filing the surface, and also avoids the need for using an ultrasonic thickness gauge with coupling agent, which would result in hands covered in liquid. This utility model saves time and effort, allows for measurement and recording by a single person, is simple to manufacture, easy to use, and improves measurement efficiency.

The utility model discloses a caliper capable of being expanded to measure small-diameter holes, which comprises a main scale and a vernier scale, and the main scale comprises a left inner claw located below the left side of a main scale body and a left outer claw located above the left side of the main scale body. The vernier scale comprises a movable right inner claw located below the main scale body and a movable right outer claw located above the main scale body, the right inner claw is located on the right side of the left inner claw, the right outer claw is located on the right side of the left outer claw, the left inner claw and the right inner claw form a pair of inner measuring claws, and the left outer claw and the right outer claw form a pair of outer measuring claws. The top end cutting edge forming side face of the inner measuring claw and the top end cutting edge forming side face of the outer measuring claw are both semicircular cutting edges. According to the utility model, on the basis of keeping the measuring function and precision of the original caliper type measuring tool, the measuring precision of the small-diameter hole with the aperture of # imgabs0 # can be met, the accurate measurement of the machining precision of the small-diameter hole in the production field is ensured, the production precision and the production efficiency are improved, and the measuring tool is suitable for various precision machinery manufacturing places.

The utility model provides a calibration device of a caliper. The calibration device comprises a linear motor, a controller, a sensor, a guide rail, a slide block and a calibration positioning assembly. The linear motor provides power for the sliding block to slide along the guide rail. The calibration positioning assembly is provided with two parts which are in linear contact with the measuring surface of the caliper, and the two parts are respectively mounted at the fixed ends of the sliding block and the linear motor; the sensor is used for detecting parameters of the linear motor for controlling the sliding block and feeding back the parameters to the controller, and the controller is used for controlling the linear motor to control sliding of the sliding block. The calibration device provided by the utility model can realize caliper calibration with low cost, high efficiency, high precision and any calibration point.

A novel embedded locking amount measuring tool comprises a vernier caliper, the vernier caliper comprises a main ruler and an auxiliary ruler, the bottom of one end of the main ruler is provided with a front claw extension rod, and the back of the bottom end of the front claw extension rod is provided with a front claw vertically connected with the front claw extension rod. A rear claw extension rod matched with the front claw extension rod is arranged at the bottom of one end, close to the front claw extension rod, of the auxiliary ruler, a rear claw vertically connected with the rear claw extension rod is arranged at the back of the bottom end of the rear claw extension rod, and the rear claw is longer than the front claw; the lock hook is knocked to a proper central position and placed in the measuring tool, the front claw hooks the part, needing to be measured, of the hook head, then the rear claw is pushed, the part, needing to be measured, of the boss of the locking rod is clamped, the reading is displayed, the caliper is taken out, and the reading is carried out. According to the utility model, the operation time can be shortened, and the measurement error is reduced to a great extent.

An headspace gauge has a feature which interfaces with the bolt face of a rifle and a feature which interfaces with the breeching feature of the chamber. The distance between these two features of the gauge is adjustable and is changed until the bolt of the rifle closes with slight difficulty. The gauge is removed and the distance between the two gauge features is measured. The measured value is the headspace dimension, the distance between the bolt face and the breeching feature of the chamber.