21results about "Gauges" patented technology

The utility model provides a connecting rod blank size rapid detection device comprising an upper detection pedestal, the upper detection pedestal is provided with a detection groove, the middle position of the detection groove is provided with a detection through groove, the detection groove is internally provided with a first detection block and a second detection block in a sliding manner, and the sliding directions of the first detection block and the second detection block are consistent. The first inspection block and the second inspection block are connected with the inspection upper base through a position adjusting mechanism, standard component sub-grooves are formed in the opposite ends of the first inspection block and the second inspection block, and after the opposite ends of the first inspection block and the second inspection block are in butt joint, the two standard component sub-grooves are spliced to form a standard component groove. And the standard component groove corresponds to the inspection through groove in position. The device is simple in structure and easy to manufacture, and rapid detection of the size of the connecting rod blank can be realized.

This invention discloses a wall thickness caliper with a vernier, used to measure the spoke wall thickness Hi at the compressor wheel's radius of rotation Ri by positioning it in contact with the end face of the compressor wheel's radius of rotation R0. Because the wall thickness Hi at the groove area between the compressor wheel's radius of rotation R0 and Ri is measured by positioning the left side of the moving frame in contact with the end face of the compressor wheel's radius of rotation R0, the problem of low accuracy in wall thickness measurements obtained by relying on manual experience in caliper positioning is solved.

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 application discloses a bolt thread detection device, and relates to the technical field of sorting devices, which comprises a first detection assembly and a second detection assembly. The first detection assembly is provided with arc-shaped detection pieces driven by a gear. When a bolt enters the opening clamping space of the first detection assembly, if the thread is too large, the inner concave surfaces of the two arc-shaped detection pieces cannot be flush, so that the gear cannot rotate. The second detection assembly comprises two symmetrical semicylindrical surface detection clamping pieces, and water bags are fixed on the inner sides. After the bolt passes through the first detection assembly, the bolt enters the clamping space of the second detection assembly. The water bags are extruded to drain water. If the amount of drained water is lower than a preset value, it is determined that the size of the bolt is too small.

This invention discloses a method and system for pitting corrosion detection and residual strength calculation using multi-arm caliper logging data. The method includes: converting multi-arm caliper logging data into a three-dimensional model, performing data cleaning and batch projection transformation to obtain a sequence of planar images; classifying and labeling pitting regions in the images according to pitting corrosion type standards; employing an improved YOLOv8 intelligent image detection model, incorporating a bottleneck attention module to enhance focus on pitting regions, using batch channel normalization to optimize training effects, and replacing the traditional CIoU loss function with the Shape-IoU method; training the labeled image sequence using the improved BBI-YOLOv8 model to obtain an intelligent pitting corrosion detection model; and calculating the residual strength based on the type of pitting region, opening length, average depth, and stress concentration factor. Compared with traditional methods, this invention improves the automation and accuracy of pitting corrosion detection, optimizes the tubing strength verification process, and provides efficient and accurate technical support for tubing safety assessment in oil and gas wells.

The utility model discloses a shell function hole testing fixture which comprises a supporting assembly used for placing materials, a first fixing assembly, a second fixing assembly, a third fixing assembly, a fourth fixing assembly and a base, the first fixing assembly and the second fixing assembly are oppositely arranged, the third fixing assembly and the fourth fixing assembly are oppositely arranged, and the supporting assembly is arranged on the upper portion of the base. The first fixing assembly, the second fixing assembly, the third fixing assembly and the fourth fixing assembly are all arranged on the upper portion of the base, the lower portion of the supporting assembly is provided with a plurality of pass-stop pieces used for detecting the positions of material function holes, and the upper portion of the supporting assembly is further provided with a plurality of positioning columns used for positioning materials. The testing fixture is simple to operate and convenient to popularize.

The utility model relates to the field of thread detection, and discloses a multi-specification thread detection go-no go gauge device, comprising a detection bench, the top of the detection bench is provided with a switching mechanism and a limiting guide mechanism, the switching mechanism comprises a lifting plate, the bottom of the lifting plate is fixedly connected with a circular block, the inner wall of the circular block is rotatably connected with a cross-shaped rotating block, and the cross-shaped rotating block is fixedly connected with the detection bench. A limiting lifting block is slidably connected to the inner wall of the cross rotating block, a connecting rotating cylinder is rotatably connected to the inner wall of the limiting lifting block, and a supporting rotating plate is rotatably connected to the inner wall of the circular block. According to the utility model, through the arrangement of the switching mechanism, a plurality of go / no-go gauge detection heads with different specifications can be loaded at the same time, when different thread specifications need to be detected, the motor II drives the cross-shaped rotating block to rotate, the detection heads with corresponding specifications are rapidly switched, manual tool replacement is not needed, automatic control of detection head switching is realized, manual operation links are reduced, and the detection efficiency is improved. The labor intensity is reduced, and the detection efficiency is greatly improved.

A ceramic measuring jaw structure and caliper, belonging to the field of length measuring devices, is disclosed to address the problem of varying wear levels of the jaws in existing calipers affecting measurement accuracy and reducing caliper lifespan. It features a measuring surface for contacting the object being measured. The ceramic measuring jaw structure comprises a jaw body and jaw tips disposed on the jaw body, with a recessed cavity on the jaw body for mating and fixing with the caliper. The advantages of this invention lie in its multi-segment disposable design, which allows the caliper to maintain high precision during measurement. Furthermore, the tips of the jaw tips can be broken off for adjustment based on usage. When the ceramic measuring jaw structure is completely worn, it can be directly broken and returned to the factory for repair, after which it can be reused, significantly extending the caliper's lifespan.

The utility model relates to a go / no-go gauge structure for shaft excircle detection. The go / no-go gauge structure comprises a mounting rack and two caliper gauges which are mounted on the mounting rack and are used for measuring excircle diameters of shaft parts of different models, each caliper gauge comprises an arc-shaped clamping plate, detection blocks are fixed to the two ends of the arc-shaped clamping plate respectively, and a detection opening used for detecting the diameter of the outer circle of the shaft part is formed between the two detection blocks. The mounting frame comprises a horizontally arranged cross rod, a sleeve capable of rotating in the circumferential direction is arranged on the cross rod in a sleeving mode, and the two caliper gauges are symmetrically fixed to the sleeve in a back-to-back mode. According to the utility model, two different types of shaft parts can be detected, the application range is wide, the two different types of shaft parts can be detected at the same time, the working efficiency is greatly improved, the selection and use are diversified, and different working requirements can be met.

A first plate with a first downwardly extending member and a second plate with a second downwardly extending member. The second plate moves with respect to the first plate to define a change in a relative angle between the first downwardly extending member and the second downwardly extending member. A position sensor is coupled between the first plate and the second plate to measure a relative change in angle between the first plate and the second plate.

A rivet length selection device (1) comprising: a frame (2), a length gauge (5) of a hole passing through an assembly of at least two parts and opening onto opposite faces of said assembly to receive a rivet for securing the two parts, the gauge having a rod (6) mounted to slide on the frame and having a hooked end (7) projecting from a bearing face (4) of the frame so that the hooked end and the bearing face can bear against the opposite faces of the assembly when the rod extends into the hole, a transducer (14) mounted on the frame and arranged to transform the sliding of the rod into an electrical signal representing a sliding amplitude, an electronic circuit (15) connected to the transducer and arranged to convert the electrical signal into a value expressed in a unit of rivet length. FIGURE IN ABRIDGED DIAGRAM: Fig. 1

An agricultural harvester includes: a harvester frame; an agricultural header coupled with the harvester frame, the agricultural header including a plurality of deck plates; and a control system operatively coupled with the harvester frame and the agricultural header, the control system including: at least one sensor coupled with the agricultural header and configured for: detecting a crop material condition associated with a harvesting operation, the crop material condition being a crop material diameter; outputting a crop material condition signal corresponding to the crop material condition; a controller operatively coupled with the at least one sensor and configured for: receiving the crop material condition signal; determining an operative parameter of the plurality of deck plates based at least in part on the crop material condition signal and at least one offset condition signal.

A fastener (e.g., nuts, bolts) measuring device comprising two arms, two jaws, and a gauge. The jaws are separated by a first length in a first position and the arms are connected at an intermediate p

The utility model relates to the technical field of track rulers, in particular to an elevator track ruler with a protective structure, which comprises a left aluminum alloy measuring rod frame and a right aluminum alloy measuring rod frame, and detachable caliper structures are arranged at one ends, far away from each other, of the left aluminum alloy measuring rod frame and the right aluminum alloy measuring rod frame. The detachable caliper structure comprises a tool steel plate, a positioning groove is formed in the right end of the tool steel plate, and two vertically-through screw holes are formed in the right portion of the upper end of the tool steel plate. According to the elevator track ruler with the protection structure, the left aluminum alloy measuring rod frame and the right aluminum alloy measuring rod frame are matched with a detachable caliper structure provided with a positioning groove, a screw hole, a wedge-shaped insertion groove and other components, stable installation and convenient disassembly are achieved through magnetic adsorption and threaded connection, the thin silicon rubber case provides protection, and the protection effect is good. The horizontal pointer, the protractor and the spirit bubble assist in accurate measurement, so that the installation process is simplified, the installation efficiency is improved, the protection performance is enhanced, and the measurement accuracy is ensured.

The utility model relates to the technical field of measuring tools, in particular to a large-size outer diameter caliper gauge clamping device which comprises an outer diameter caliper gauge frame, and mounting modules are fixedly connected to the bottom ends of the inner walls of the two sides of the outer diameter caliper gauge frame. Firstly, calibration is carried out according to a to-be-detected part, a rotary measuring handle is rotated, a threaded rod synchronously rotates, so that a threaded hole plate screwed with a peripheral screwing hole displaces under the limitation of a fixed handle and a limiting sliding rod, and the fixed handle is rotationally connected with the rotary measuring handle through a rotary connecting piece; the connecting plate is pushed to extend out or contract in a through hole formed in the side wall of the fixing handle, calibration adjustment of a part corresponding to the connecting plate is completed, the distance between the clamping arms is controlled, then an inserting clamping piece, a positioning inserting piece and the connecting plate are aligned with a connecting clamping groove, a calibration groove and a positioning groove to be inserted, and a fixing piece on the side wall of the fixing handle is connected with an installation module. And then the outer diameter caliper gauge frame is operated to control the clamping arm to detect the outer diameter of the part.

The present application relates to the technical field of thread detection, and particularly relates to a full-automatic thread go-no-go gauge detection equipment. The technical scheme comprises a conveying platform, an equipment rack, an equipment case, a driving assembly, a reciprocating reversing assembly, a transmission assembly, a detection mechanism, a limiting assembly, a connecting assembly and a feedback judging assembly. After the driving assembly is started, the reciprocating reversing assembly is driven to work, and then the transmission assembly is driven to rotate reciprocally. When the transmission assembly rotates forward, three functions are realized: the detection mechanism is driven to rotate to perform thread detection; the limiting assembly is driven downward by the connecting assembly to press the bolt on the conveying platform into the detection mechanism; and the feedback judging assembly is driven to act, and corresponding qualified or unqualified signals are output according to whether the bolt can pass through the detection smoothly. Through a compact mechanical linkage system, the present application integrates feeding, centering, pressing, thread detection and result judging, realizes full automation of the detection process, and effectively improves the detection efficiency and consistency.

The application discloses a positioning mechanism of a petroleum pipe external thread top diameter measuring instrument, which is installed on the external thread top diameter measuring instrument and used, two rollers of the positioning mechanism are in contact with the inner hole of the pipe body to form V-shaped groove positioning, the centering principle of the V-shaped groove positioning is utilized to make the line connecting the two contacts of the external thread top diameter measuring instrument pass through the center of the pipe body, and when measuring, only one circle of the pipe body rotation (or the rotation of the measuring tool around the pipe body) is needed to find the diameter deviation of the external thread top, and the measuring instrument does not need to swing at different positions to find the inflection point to read the diameter deviation of the external thread top, so that the artificial measurement error is reduced, the labor intensity is lowered, and the measurement is more convenient and accurate.

Device (10) for aligning a plurality of bodies relative to each other, comprising an elongated positioning element (12), a first longitudinal profile (14) with a defined first reference point (I), wherein the first longitudinal profile (14) is fixedly arranged adjacent to the positioning element (12) and at least one first contact element (16) can be attached to the first longitudinal profile (14) at a selected position at a predetermined distance to the first reference point (I), an elongated contact device (18) with a defined second reference point (II) and with an alignment element (20), wherein the contact device (18) can be arranged parallel to the first longitudinal profile (14) and at least a predetermined distance (A1) thereto, wherein at least a second contact element (22) can be attached to the contact device (18) at a selected position, namely at a distance to the second reference point (II) which corresponds to the predetermined distance between the first contact element (16) and the first reference point (I), and a scale device (24) which has at least one scale (ag) extending parallel to the longitudinal axis (18L) of the contact device (18) with at least one angular division, wherein the scale device (24) is positioned such that its distance with respect to the first longitudinal profile (14) is unchanging, wherein the contact device (18) is translationally displaceable and parallel to the longitudinal axis (14L) of the first longitudinal profile (14) and the alignment element (20) is brought into conformity with a selected angular division of a scale (ag) of the scale device (24) such that a connecting line (27) which runs in a straight line between the first reference point (I) and the second reference point (II) forms a predetermined angle (α) with a perpendicular (S) which is directed towards a surface (14-O) of the first longitudinal profile (14) at the location of its first reference point (I) in accordance with the selected angular division.

A digital display depth caliper for measuring a small hole groove is composed of a point measuring head assembly, a measuring rod, a column seat, a main caliper assembly and a caliper frame assembly, the measuring rod is fastened on a caliper frame in the caliper frame assembly through a screw, the caliper frame assembly is sleeved on the main caliper assembly, the main caliper assembly is inserted into a rectangular groove of the column seat, the measuring rod is inserted into a circular hole of the column seat, and the measuring rod is inserted into the rectangular groove of the column seat. The external thread on the point measuring head is screwed in the hole of the internal thread on the measuring rod; a circular hole C for the measuring rod to pass through and a rectangular hole D for the main ruler to insert are formed in the middle of the main ruler seat; the main scale assembly is composed of a main scale and a fixed gate. The structure and the principle of the caliper frame assembly are completely the same as those of an original digital caliper. During measurement, the measuring rod and the point measuring head assembly extend into a groove of a measured part, the point measuring head is moved up and down to make contact with the upper portion and the lower portion of the groove respectively, and the X value and the B value of the groove are calculated through digital display measurement.