154results about "Slide gauges" patented technology

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 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.

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 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 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.

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.

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.

A measurement tool includes a C-shaped body including a first arm having a first end; a second arm spaced apart from and disposed substantially parallel to the first arm; and a third arm connecting and disposed substantially perpendicular to the first arm and the second arm to thereby define a void between the first arm and the second arm. The measurement tool also includes a fourth arm connected to the C-shaped body at the first end and disposed substantially perpendicular to both the first arm and the third arm. A measurement system includes the measurement tool and a workpiece disposed within the void between the first arm and the second arm.

The utility model discloses a special gauge with a dial for measuring the working diameter and position of a conical surface, which comprises a main ruler, scales, a vernier caliper and a dial plate, the scales are arranged on the surface of the main ruler, the vernier caliper is movably arranged at the top of the main ruler, the dial plate is arranged at the top of the vernier caliper, a U-shaped plate is arranged on one side of the main ruler, and two embedding grooves are arranged at the top of the U-shaped plate. Two embedding grooves are formed in the main ruler, embedding blocks are arranged in the two embedding grooves, an extension plate is arranged between the inner walls of the two embedding blocks, a hanging ring is arranged on one side of the extension plate, the U-shaped plate, the embedding blocks, vertical strips, a storage frame, the hanging ring and a fluorescent band are arranged, the embedding blocks are embedded into the embedding grooves, and the hanging ring can be installed on one side of the main ruler under connection of the two vertical strips. And the fluorescent band can emit fluorescence in a dark environment, so that the position of the main ruler on the wall surface can be clearly seen in time when the ruler is needed to be used in an environment with poor sight, the ruler can be conveniently taken and used, and the practicability of the gauge is improved.

This utility model discloses a conical surface measuring fixture mounted on a vernier caliper, comprising: a pair of fixed supports, detachably and symmetrically mounted on the measuring jaws of the vernier caliper; a measuring element and a driving element are provided on the fixed supports; the measuring element is movably connected to the fixed supports, and a pair of measuring parts are symmetrically arranged at the lower end of the measuring element, the pair of measuring parts being used to measure the outer diameter of an external conical surface workpiece and the inner diameter of an internal conical surface workpiece, respectively; the driving element is rotatably connected to the fixed supports and engages with the measuring element, driving the measuring element to move up and down. This utility model is easy to assemble and disassemble, simple to manufacture, and easy to operate; through modular design, it realizes the functional expansion of the vernier caliper, meeting the need for convenient measurement of conical surface parameters in industrial settings.

The invention provides a vernier caliper, and an error verification method and an error correction method thereof, and relates to the technical field of measurement. The vernier caliper comprises a main scale and a vernier scale, the vernier scale is arranged on the main scale in a sliding mode, the vernier caliper is characterized by comprising two first measuring jaws and two second measuring jaws, the two first measuring jaws are arranged at the two ends of the main scale respectively, and the two second measuring jaws are arranged at the two ends of the vernier scale respectively. A forward measuring station is formed between any first measuring jaw and the adjacent second measuring jaw, and a reverse measuring station is formed between the other first measuring jaw and the adjacent second measuring jaw. The measuring surface of the first measuring jaw, the measuring surface of the second measuring jaw, the scale line of the vernier scale and the scale line of the main scale are parallel in pairs. According to the vernier caliper, a user can judge whether errors occur or not and correct the errors. In addition, the invention further provides an error verification method of the vernier caliper and an error correction method of the vernier caliper, and error verification and error correction can be carried out respectively.

The invention discloses a fixing and calibrating method adaptive to various calipers, and the method comprises the steps: a caliper fixed measuring jaw supporting end and a caliper body tail movable supporting end unit are disposed on a caliper fixed measuring jaw supporting pedestal, and the caliper body tail movable supporting end unit comprises a pedestal and a movable assembly disposed on the pedestal; the movable assembly is provided with a caliper body tail supporting end. A caliper fixing measuring jaw and a caliper body tail of the calibrated caliper are respectively arranged on the caliper fixing measuring jaw supporting end and the caliper body tail supporting end; the caliper fixed measuring jaw and the tail part of the caliper body are pressed tightly through the movement of the movable assembly towards the caliper fixed measuring jaw; the caliper push-pull button fixing unit is arranged on the base to fix the caliper push-pull button; a depth gauge calibration unit is arranged on the base, and the depth gauge calibration unit comprises a gauge block and a first driving mechanism arranged below the gauge block; the first driving mechanism drives the gauge block to move in the caliper body direction and drives the gauge block to move away from or close to the caliper depth gauge.

To provide a medicine size measuring apparatus capable of measuring a size of a tablet with ease and at high speed.SOLUTION: A medicine size measuring apparatus includes: a body part on which a placement plate, a reference surface vertically standing up with respect to the placement plate, and side surfaces formed so as to surround three directions of the placement plate together with the reference surface are formed; a slide member that comprises, at its end, a measuring surface facing the reference surface and is movable in a slide direction perpendicular to the reference surface; an energization member for energizing the slide member in a direction toward the reference surface; and measuring position information selection means that is provided in the body part and can select measuring position information on a tablet placed on the placement plate through selection of an operator. The slide member comprises an opening and transmission means for transmitting a distance between the reference surface and the measuring surface, as size information on the tablet associated with the measuring position information selected by the measuring position information selection means.SELECTED DRAWING: Figure 6

The utility model relates to the technical field of mechanical detection, in particular to screw rod outer diameter detection equipment. Comprising a measuring ruler body, one end of the measuring ruler body is integrally connected with a fixed check block, the measuring ruler body is slidably sleeved with a measuring sliding sleeve and a fixed sliding sleeve, the bottom of the measuring sliding sleeve is fixedly connected with a measuring check block, one end of the measuring sliding sleeve is fixedly connected with a lead screw penetrating through the fixed sliding sleeve, and the lower end of the fixed sliding sleeve is provided with a knob in threaded connection with the lead screw. L-shaped plates are installed on the two sides of the fixed check block and the measuring check block, and one end of each L-shaped plate is connected with a clamping block through a spring. The utility model provides equipment capable of stably clamping a screw rod and detecting the outer diameter of the screw rod, so as to solve the problems of unstable detection of the outer diameter of the screw rod and low efficiency in the prior art.

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