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41results about "Gauges" patented technology

Device for rapidly detecting size of connecting rod blank

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.
Owner:WENDENG HENGRUN FORGING +1

Method and system for pitting corrosion detection and residual strength calculation of logging data of multi-arm caliper

ActiveCN119942197AImage enhancementSurvey
The invention discloses a pitting corrosion detection and residual strength calculation method and system for logging data of a multi-arm caliper. Comprising the following steps: converting logging data of a multi-arm caliper into a three-dimensional model, and carrying out data cleaning and batch projection transformation to obtain a plane image sequence; classifying and marking pitting regions in the image according to a pitting type standard; an improved YOLOv8 intelligent image detection model is adopted, a bottleneck attention module is added to enhance the attention of a pitting corrosion area, a training effect is optimized through batch channel normalization, and a Shape-IoU method is adopted to replace a traditional CIoU loss function; an improved BBI-YOLOv8 model is utilized to train the annotated image sequence, and an intelligent pitting corrosion detection model is obtained; and calculating the residual strength according to the type of the pitting corrosion region, the opening length, the average depth and the stress concentration coefficient. Compared with a traditional method, the method has the advantages that the automation and accuracy of pitting corrosion detection are improved, the tubular column strength checking process is optimized, and efficient and accurate technical support is provided for safety assessment of the tubular column of an oil and gas well.
Owner:SOUTHWEST PETROLEUM UNIV

A wall thickness caliper with vernier

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.
Owner:CHINA HANGFA GUIZHOU LIYANG AVIATION POWER CO LTD

Portable forestry investigation equipment

The utility model relates to the technical field of forestry investigation, in particular to portable forestry investigation equipment. The ruler comprises a ruler plate, limiting rotating pieces and a storage assembly, scale codes are linearly arranged on the ruler plate, one end of the ruler plate is connected with a handle, the other end of the ruler plate is connected with a fixed block, a sliding block is arranged in the middle of the ruler plate in a sliding mode, and one side of the fixed block and one side of the sliding block are rotationally connected with side rods through the limiting rotating pieces; the lower end face of the ruler plate is provided with a storage assembly used for limiting and storing the two side rods in the folded state. The ruler plate is provided with the storage assembly used for storing the side rods, under the cooperation of the fixed frame, the movable plate and the elastic piece, the overturning frame is driven to conduct semi-surrounding clamping limiting on the side rods from one sides of the two side rods which are stacked up and down, storage of the side rods is completed, in the carrying process, the occupied space of the side rods is reduced, and carrying is convenient. And meanwhile, compared with magnetic attraction, the stability is higher.
Owner:DONGGUAN CITY DAPINGZHANG FOREST PARK (DONGGUAN CITY STATE-OWNED DAPINGZHANG FOREST FARM)

Internal and external thread angle gauge assembly suitable for directional thread detection

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.
Owner:BEIJING POLYTECHNIC

A bolt thread inspection device

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.
Owner:HUNAN INT ECONOMICS UNIV

Pitting detection and residual strength calculation method and system for multi-arm caliper logging data

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.
Owner:SOUTHWEST PETROLEUM UNIV

Checking fixture for functional hole of shell

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.
Owner:KUNSHAN JINLIAN PLASTIC PROD

Multi-gear caliper gauge

The utility model belongs to the technical field of measuring workpieces, and discloses a multi-gear caliper gauge. The multi-gear caliper gauge comprises a caliper gauge body, a clamping and blocking part and a measuring part, wherein the caliper gauge body is provided with a first end head and a second end head; the clamping and blocking part is provided with a clamping and blocking surface which is used for being attached to the outer wall of the to-be-detected workpiece; the measuring part and the blocking part are respectively arranged at the first end and the second end, a measuring notch is formed between the blocking part and the measuring part, and the measuring notch is used for accommodating a workpiece to be measured; a plurality of measuring heads are arranged on the measuring part along the first direction, the distances between the plurality of measuring heads and the clamping and blocking part are gradually reduced along the first direction close to the caliper gauge body, the measuring heads are provided with measuring surfaces parallel to the clamping and blocking surfaces, and the measuring surfaces are used for being attached to the outer wall of a workpiece to be measured. According to the multi-gear caliper gauge, workpieces can be grouped according to the outer diameter sizes of the workpieces to be measured, each group of workpieces respectively represent the machining quality of the workpieces, and subsequent classified circulation processing of the workpieces is facilitated.
Owner:NANJING HIGH SPEED GEAR MFG

Caliper gauge for detecting pitch of chain

The caliper gauge comprises a base plate, one end of the side surface of the base plate is provided with a supporting plate, the side surface of the supporting plate is provided with a threaded column, one end of the threaded column far away from the supporting plate is movably connected with a nut, one side of the nut close to the supporting plate is movably connected with a moving block, and the upper end of the moving block is provided with a circular groove in a penetrating manner. First springs are arranged between the moving blocks and the supporting plates, moving grooves are formed in the upper surfaces of the two ends of the bottom plate in a penetrating mode, limiting columns are movably connected into the moving grooves, moving plates are symmetrically arranged on the two sides of the limiting columns, limiting blocks are arranged at the lower ends of the sides, away from the limiting columns, of the moving plates, and two second springs are symmetrically arranged on the side faces, away from the limiting columns, of the moving plates; first detection plates are movably connected below the moving grooves, fixing grooves are formed in the upper surfaces of the first detection plates, limiting grooves are formed in the two sides of the lower ends of the fixing grooves, and second detection plates are arranged on the side faces of the lower ends of the moving blocks. The detection plate can be adjusted and replaced.
Owner:宿迁绿金人橡塑机械有限公司

Multi-specification thread detection go-no go gauge device

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.
Owner:SICHUAN AIRIS FLUID TECHNOLOGY CO LTD

Ceramic measuring claw structure and caliper

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.
Owner:GUILIN GUANGLU MEASURING INSTR CO LTD

Bolt thread detection device

The invention, which relates to the technical field of the sorting device, discloses a bolt thread detection device comprising a first detection assembly and a second detection assembly. The first detection assembly is provided with arc-shaped detection pieces driven by a gear, and when a bolt enters an opening clamping space of the first detection assembly, if a thread is too large, the inner concave surfaces of the two arc-shaped detection pieces cannot be flush, and the gear cannot rotate; the second detection assembly comprises two symmetrical semi-cylindrical surface detection clamping pieces, and a water bag is fixed on the inner side of the second detection assembly; after passing through the first detection assembly, the bolt enters the clamping space of the second detection assembly, the water bag is squeezed to drain water, and if the displacement is lower than a preset value, the size of the bolt is too small.
Owner:HUNAN INT ECONOMICS UNIV

Automatic measuring device

To provide an automatic measuring device for automating an inexpensive and easy-to-use contact type measuring instrument.SOLUTION: An automatic measuring device includes: a measuring instrument having a movable element that is provided displaceably relative to a fixed element and advances and retreats so as to contact and separate from a work, and a displacement detection section for detecting displacement or a position of the movable element; and an automatic operation section for automating advance / retreat of the movable element by power. Vibration is applied to at least one of a work and the measuring instrument directly or indirectly such that, when the work and the movable element are in contact with each other, the work and the measuring instrument change the relative positions and postures and abutting surfaces of the work and the movable element are brought into close contact.SELECTED DRAWING: Figure 2
Owner:MITUTOYO CORP

Go / no-go gauge structure for detecting excircles of shafts

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.
Owner:SHANDONG HENGER INTELLIGENT TECH CO LTD

Automatic measuring equipment

Provided is an automatic measurement device that automate a contact-type measurement device that is inexpensive and easy to use. The automatic measurement apparatus includes: a measurement device including a movable element that is displaceable with respect to a fixed element and moves forward and backward to come into contact with or away from a workpiece, and a displacement detection portion that detects a displacement or position of the movable element; and an automatic operation section that automate the forward / backward movement of the movable element by power. When the movable element is in contact with the workpiece, vibration is applied directly or indirectly to at least one of the workpiece and the measuring device in such a manner that contact surfaces of the workpiece and the measuring device are brought into close contact with each other by changing a relative position and orientation between the workpiece and the measuring device.
Owner:MITUTOYO CORP

Sodium ion battery pole alignment degree go-no go gauge

The utility model discloses a sodium ion battery pole alignment degree go-no go gauge, which relates to the technical field of battery detection, and is characterized in that the right side of the upper part of a base is fixedly connected with a fixed table, the top of the fixed table is provided with a positioning side plate, the right side of the base is fixedly connected with an adjusting box, and the right side of the adjusting box is fixedly connected with a base. The left side of the upper portion of the base is slidably connected with a sliding table, an inspection side plate is arranged above the sliding table, an adjusting mechanism is arranged in an adjusting box, and an insertion mechanism is arranged above the fixed table and the sliding table, so that sliding adjustment of the inspection side plate and insertion replacement of the positioning side plate and the inspection side plate are realized; and the adjustability and convenience of the device are improved.
Owner:NAMEI NEW ENERGY TECH (LUOYANG) CO LTD

Thread gauge body deviation determination method and device, storage medium and electronic equipment

The invention discloses a thread gauge body deviation determination method and device, a storage medium and electronic equipment. The method comprises the steps that N measurement tracks of a to-be-measured thread gauge are acquired, and N is an integer larger than 1; based on point clouds included in the N measurement tracks, establishing a measurement point cloud model corresponding to the to-be-measured thread gauge; a standard point cloud model corresponding to the to-be-measured thread gauge is determined, the standard point cloud model is determined based on preset size information of the to-be-measured thread gauge, and N point cloud tracks included in the standard point cloud model correspond to the N measurement tracks; and based on the measurement point cloud model and the standard point cloud model, determining a volume deviation measurement result of the to-be-measured thread gauge. According to the invention, the technical problems of low precision and low accuracy of a thread gauge body deviation determination method in the prior art are solved.
Owner:CHINA NAT PETROLEUM CORP +1

Fastener selection device for aeronautical assembly

PendingFR3166672A1RivetsGaugesAviationTransducer
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
Owner:SAFRAN NACELLES

Active deck plate opening

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.
Owner:BLUE LEAF I P INC

A fastener measuring device

PendingGB2701328AGaugesClassical mechanicsFastener
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
Owner:ELSON GERRARD

Device for measuring a width of a slot in a product

A measuring device for measuring a width (W) between a first edge (4) and a second edge (5) of spaced apart opposed edges (4, 5) of a slot (16) in a product (1'), comprising: - a measuring part (18), with a measuring detector and a display (28), and provided with a first tab (37) configured to enter into the slot (16), and - a slide (29), defining a longitudinal axis (X), being arranged so as to be adjustable relative to the measuring part (18) along the longitudinal axis (X), and provided with a second tab (46) being configured to enter into the slot (16). The slide (29) is adjusted so that a first surface (44) of the first tab (37) contacts the first edge (4) and a second surface (49) of the second tab (46) contacts the second edge (5). A distance (d) between the first surface (44) and the second surface (49) corresponding to the width (W) is detected by the measuring detector, and the value of the width (W) is displayed by the display (28). The first and second tabs (37, 46) are oriented downwardly relative to the measuring part (18), perpendicular or transverse to the longitudinal axis (X) of the slide (29).
Owner:BOBST LYON