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2345results about "Mechanical clearance measurements" patented technology
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Method and system for detecting distance from welding spot center to R angle
ActiveCN119845121AGeometric CADMechanical clearance measurementsVertical planeMechanical engineering
The invention provides a method and a system for detecting a distance from a welding spot center to an R angle. The method comprises the following steps: detecting a part having an interference relationship with a to-be-detected welding spot file; making a vertical line of a connecting part by taking the welding spot as a reference and a midpoint; making a cylinder to divide the outer surface of the connecting part; the dividing face is disassembled; processing each disassembled curved surface to obtain a curved surface boundary intersection line of each curved surface intersected with the cylinder; taking the welding spot as a reference, and respectively making a vertical plane from the welding spot to a curved surface boundary intersection line of each curved surface; taking a midpoint and two end points of a'curved surface-vertical surface 'intersecting line, and drawing a circle by three points; if the radius of the circle is larger than a configuration threshold value, the curved surface is a welding surface, and distance detection is qualified; if not, determining that the curved surface is a chamfered surface, and determining that the distance detection is unqualified. According to the invention, the detection logic is simplified, the distance detection from the welding spot to the R angle and the flanging is automatically realized, the detection is faster and more accurate, the risk is reduced, and the efficiency is improved.
Owner:TIANJIN MASITE BODYWORK EQUIP TECH CO LTD
An installation device
PendingUS20240418494A1Mechanical clearance measurementsUsing optical meansMechanical engineeringPhysics
Owner:LUCAS NATHAEN +1
Tooth space distance measuring device and measuring method for gear detection
The invention discloses a tooth space distance measuring device for gear detection and a measuring method, and relates to the technical field of gear detection.The tooth space distance measuring device comprises a base, an adjusting seat and a detection table are arranged on the upper surface of the base, and a detection unit is arranged at one end of the adjusting seat and located above the detection table; according to the device, through cooperation of a pull ring, a connecting rod, a fixing head, a first spring, a fixing pin and a plurality of pin holes, the fixing position of the supporting frame on the outer surface of the supporting column can be adjusted, the measuring position can be adjusted conveniently according to the requirement for measuring different tooth pitches of the gear, the gear does not need to be disassembled and assembled repeatedly, the detection convenience is improved, and the detection efficiency is improved. According to the tooth space measurement device, the accuracy of measurement data is ensured, the tooth space is measured through the cooperation between the connector and the connecting screw rod and the cooperation between the contact head and the fastening nut, it is ensured that the contact head can be attached to the inner side wall of the tooth space, the tooth space is accurately measured, measurement data of multiple tooth spaces are obtained, the measurement efficiency is improved, and the measurement range is widened.
Owner:QING ZHOU SHI JIAN FU CHI LUN YOU XIAN GONG SI
Inspection device for cooling plate
Owner:DO LIM IND CO LTD
Device and method for detecting hole site error of automobile gearbox body casting
The invention discloses an automobile gearbox body casting hole site error detection device and method, and belongs to the technical field of automobile casting detection.The automobile gearbox body casting hole site error detection device comprises a bottom plate used for positioning and installing an automobile gearbox body casting, positioning holes are formed in the bottom plate, a detection ring is installed at the bottom of the bottom plate, and a first through hole is formed in the detection ring; an offset detection assembly is installed in the detection ring, the offset detection assembly comprises a plurality of clamping rods which are arranged in the circumferential direction with the axis of the detection ring as the center, a threaded rod is in threaded connection with the interior of the detection ring, and first springs and distance measuring sensors used for measuring the distance between the threaded rod and the clamping rods are fixedly installed between the threaded rod and the clamping rods; a driving plate is slidably mounted on the support, a detection rod is arranged on the driving plate, the diameter of the detection rod is smaller than that of the first through hole, and the detection end, away from the driving plate, of the detection rod is circular-truncated-cone-shaped. According to the invention, the offset and the offset direction of the to-be-detected hole can be automatically judged through the distance measuring sensor, and the detection efficiency and the detection accuracy are improved.
Owner:ZHONGQING GUOEN TRADE & IND CO LTD
Ground fracture monitoring device
ActiveCN222418853UMechanical clearance measurementsUsing optical meansStructural engineeringControl theory
The utility model relates to the technical field of crack monitoring, in particular to a ground crack monitoring device which comprises an installation rod, connecting seats are fixedly installed at the two ends of the installation rod, the installation rod stretches across a crack, the bottom ends of the connecting seats are fixedly connected with the ground, and supporting mechanisms are fixedly installed on the bottom faces of the connecting seats. A monitoring mechanism is slidably mounted on the periphery of the mounting rod; the monitoring assembly comprises a sliding seat slidably mounted on the mounting rod, the length value of the sliding seat is larger than the width value of the crack, a positioning assembly is mounted on the sliding seat, a distance measuring assembly is mounted on the positioning assembly, and the positioning assembly is used for enabling the sliding seat to be always located over the crack in the width changing process of the crack. The distance measuring assembly is driven to accurately measure the width value of the crack; compared with the prior art, no matter whether the width change of the crack is symmetrical or not, the sliding seat is always positioned right above the crack, so that the measurement accuracy of the crack width is ensured.
Owner:山东省地质矿产勘查开发局第七地质大队
Device for detecting and identifying play in vehicles
ActiveUS12305977B2Mechanical clearance measurementsVehicle steering/rolling behaviourIn vehicleSuspension (vehicle)
The present disclosure relates to a device for detecting and identifying play and checking the attachment of wheel, steering-assembly and suspension parts of vehicles. The device includes a linearly displaceable carriage and a supporting plate which is configured to support a wheel of a vehicle. The supporting plate is rotatable, and the carriage is displaceable with respect to the supporting plate in a direction corresponding to the transverse direction of the vehicle. Additionally, the carriage includes a rotatable structure which is configured to rotate the supporting plate about an axis of rotation.
Owner:PDT ENG BVBA
Measuring tool for ball bearing clearance of bulb tube
The invention provides a ball bearing clearance measuring tool for a bulb tube, a ball bearing to be measured comprises a bearing body, a bearing outer ring and a rolling body, and the measuring tool comprises a support; the bearing support is provided with a bearing containing cavity used for containing the ball bearing, and the bearing outer ring is tightly pressed in the bearing containing cavity. The limiting mechanism is used for limiting the bearing outer ring to move relative to the bearing support in the axial direction of the ball bearing; the rotating mechanism is used for driving the support to rotate and further driving the bearing support to turn over by 180 degrees in the vertical direction, so that the ball bearing is switched between a first limit position and a second limit position, and the axial direction of the ball bearing is in the vertical direction at the first limit position and the second limit position; at the first limit position and the second limit position, the measuring mechanism respectively measures a first numerical value and a second numerical value representing the relative displacement of the bearing body and the bearing outer ring, and the first numerical value and the second numerical value are used for determining the axial clearance of the ball bearing. According to the scheme, the axial clearance measurement accuracy can be improved.
Owner:昆山医源医疗技术有限公司
Adjustable drum brake clearance measuring device
The invention provides an adjustable drum brake clearance measuring device, which comprises a device foundation, a brake assembly fixing structure, a brake drum fixing structure and a clearance measuring structure, and is characterized in that the device foundation is used as a fixed foundation structure of the whole clearance measuring device; a brake assembly fixing structure is fixedly arranged on the device foundation upwards, a brake assembly is fixedly installed in the horizontal direction through the brake assembly fixing structure, a brake drum fixing structure and the brake assembly fixing structure are coaxially arranged and arranged in a relative rotation mode, and a brake drum is fixedly installed on the brake drum fixing structure. The brake drum and the brake assembly form relative positions in a brake working state, and a detection part of the gap measuring structure is in contact with a brake lining of the brake assembly through a gap of the brake drum and obtains brake stroke data. The gap measuring device simulates the relative rotation state of the brake drum and the brake structure, data acquisition of gap change is realized, and the detection efficiency and precision are effectively improved.
Owner:ANJI WANQIAO AUTO PARTS CO LTD
Worm and gear clearance detection device
The utility model discloses a worm gear and worm clearance detection device, which relates to the field of component detection and consists of a worm locking part, a worm gear and worm assembly chamber, a torque applying assembly and a clearance measuring assembly. The worm locking piece is inserted into the coupler connected with the worm through the clamping jaw, the clamping jaw pressing piece applies pressure to the clamping jaw so as to fasten the clamping jaw, the worm is fixed, and radial run-out of the worm is eliminated. The torque applying assembly is connected with the worm gear and applies torque to the worm gear. And the gap measuring assembly is connected with the torque applying assembly to measure the gap. The worm is fixed by the worm locking piece, so that the worm is only stressed in the axial direction and is not stressed in the radial direction, the measurement error is reduced, and the torque applying assembly can quantitatively apply the torque, so that the test reliability is improved.
Owner:HANGZHOU LIKR AIRLINES AUTOMOBILE TECHNOLOGY CO LTD
Gap measurement vernier filler gauge and gap measurement device
ActiveCN222617765UEasy to measurelarge rangePlug gaugesMechanical clearance measurementsFeeler gaugeOptics
The utility model discloses a clearance measurement vernier feeler gauge which comprises a base body and a gauge body arranged on the base body, the gauge body is in a wedge shape, a vernier sliding block is arranged on the inclined face of the gauge body, a distance measuring module and a display module are arranged on the base body, the distance measuring module is arranged at the tail end of the inclined face of the gauge body and right faces the vernier sliding block, and the display module is arranged on the base body. And the display module is used for displaying the measurement result. The method has the advantages that the gap width is conveniently and rapidly detected, and the detection efficiency is improved. The utility model further provides a gap measuring device which comprises the two gap measuring vernier feeler gauges and the connecting piece, and the bottoms of the two gap measuring vernier feeler gauges are connected with each other.
Owner:NANJING SPECIAL EQUIP SAFETY SUPERVISION & INSPECTION INST
Crack detection ruler for constructional engineering quality detection
ActiveCN222505228UImprove detection efficiencyEasy to detectMechanical clearance measurementsSlide plateThreaded rod
The utility model relates to the technical field of constructional engineering detection, in particular to a crack detection ruler for constructional engineering quality detection, which comprises a first detection ruler, first scale values are arranged on the first detection ruler, and two symmetrical side surfaces of the first detection ruler are respectively provided with a first adjusting chute. According to the technical scheme of the utility model, the first detection ruler, the first scale value, the first adjusting sliding groove, the adjusting sliding plate, the U-shaped moving shell, the damping shaft, the second detection ruler, the second scale value, the second adjusting sliding groove, the L-shaped moving ruler, the third scale value, the limiting groove, the locking threaded rod, the locking nut and the crack width detection structure are cooperatively arranged. The crack detection ruler can be adjusted to a proper length according to the overall length of a crack, and the second detection ruler and the L-shaped movable ruler can be rotated to a proper angle according to the bending angle of the crack, so that the crack detection ruler can detect the bent crack with an angle, and the application range of the crack detection ruler is expanded.
Owner:陈笑雨
Flange plate detection device and detection method thereof
The invention belongs to the technical field of detection, and particularly relates to a flange plate detection device and a detection method thereof. The flange plate detection device comprises a lifting disc which is arranged in a detection table in a lifting manner; the plurality of detection pieces are vertically arranged on the lifting disc, and one detection piece is matched with one fixing hole of the flange plate; the distance between two adjacent detection pieces is consistent with the hole distance of a qualified flange plate; the interior of the detection table is hollow, a bearing plate is horizontally arranged in the middle of the detection table, and the detection piece penetrates through the bearing plate; a plurality of limiting plates are arranged on the inner side wall of the detection table in a sliding mode, and one limiting plate corresponds to one detection piece and is in linkage with the lifting disc; when the lifting disc moves upwards, the limiting plates synchronously slide inwards in the radial direction so as to limit axial movement of the flange disc. The lifting disc drives the detection pieces to be inserted into the corresponding fixing holes, and the detection pieces axially move along the inner walls of the fixing holes so as to detect whether the hole diameter of the fixing holes and the hole distance between the adjacent fixing holes are qualified or not.
Owner:JIANGSU ZUNDING ELECTRIC TECH CO LTD
Civil engineering steel bar spacing detection device
ActiveCN119146833Alarge shrinkageLarge expansionMechanical clearance measurementsGear wheelCylinder (engine)
The invention relates to a civil engineering steel bar spacing detection device, and belongs to the technical field of engineering supervision auxiliary tools. Comprising a measuring rod and clamping assemblies arranged at the two ends of the measuring rod respectively, the measuring rod comprises a cylinder and measuring mechanisms arranged at the two ends of the cylinder respectively, buttons are arranged on the two sides of the cylinder respectively, and the sides, located in the cylinder, of the buttons are fixedly connected with mounting rods; the measuring mechanism comprises a telescopic rod slidably connected into the barrel in the length direction of the barrel, a first rotating shaft rotationally connected to the mounting rod and a first pointer fixedly connected to the top end of the first rotating shaft, a first gear is fixedly connected to the first rotating shaft, a first sleeve is fixedly connected to one end of the telescopic rod, and a first inserting rod is slidably inserted into the first sleeve; the first inserting rod is fixedly connected with a first rack in transmission connection with the first gear, and a first transparent dial plate is arranged on the cylinder body. According to the invention, the problem of low efficiency of steel bar spacing detection in the prior art is solved.
Owner:GUOGONG TIANKE (LUOYANG) INTELLIGENT EQUIP CO LTD
Speed reducer gear clearance detection equipment
The invention relates to the technical field of gear clearance detection, and discloses speed reducer gear clearance detection equipment which comprises a detection tool. The positioning shaft and the detection shaft are arranged on the detection tool, and a gear to be detected is arranged on the positioning shaft and the detection shaft; the positioning part is arranged in the positioning shaft and the detection shaft and is used for fixing gears on the positioning shaft and the detection shaft; the detection part and the recording part are arranged on the detection tool; the bracket is arranged in the detection tool and can move up and down; according to the invention, an operator only needs to pick and place the gear and open or close the driving part, during detection, the arranged detection part can visually display the detected value, and the arranged recording part can record the detected value, so that subsequent tracing is facilitated, and the problems that in the prior art, the operation is relatively tedious during detection, and the detection efficiency is high are solved. In the prior art, gears are detected and recorded one by one by an operator, manual operation is needed, the complexity is high, and personal errors are easy to generate.
Owner:JIANGSU JINYOU REDUCER MANUFACTURING CO LTD
Intelligent distance measurement method and system applied to distribution network line
InactiveCN119845295AMechanical clearance measurementsFault location by conductor typesTime informationEngineering
The invention is suitable for the technical field of data processing, and provides an intelligent distance measurement method and system applied to a distribution network line. The method comprises the following steps: firstly, acquiring to-be-evaluated coordinate information, first measurement moment information corresponding to the to-be-evaluated coordinate information, multiple pieces of actual measurement geographic coordinate information, second measurement moment information corresponding to each piece of geographic coordinate information and average detection speed information; then accurately generating coordinate credibility information according to the to-be-assessed coordinate information, the first measurement moment information, the multiple pieces of actual measurement geographic coordinate information, the multiple pieces of second measurement moment information and the detection speed information, then effectively generating credible coordinate information according to the to-be-assessed coordinate information and the coordinate credibility information, and finally determining the credible coordinate information according to the multiple pieces of credible coordinate information. And the distribution network line distance information is automatically generated. According to the method, more reliable data support can be provided for underground pipe network measurement, and the detection precision and the detection efficiency of data measurement are greatly improved.
Owner:GUANGDONG ZHONGCHENG ELECTRIC POWER CONSTR ENG CO LTD
Generator stator and rotor gap measuring method
PendingCN119436990ASimple structureeasy to operateMechanical clearance measurementsClassical mechanicsControl theory
The invention discloses a generator stator-rotor gap measuring method. An existing measuring tool can determine the actual distance of a gap only by taking out and adjusting a positioning screw for multiple times during measurement, and is low in efficiency and large in measurement error during measurement. The method comprises the following steps; when the gap needs to be measured, the two sliding rods respectively slide towards the middle, and then the switch is turned on, so that the sucker electromagnets are electrified to attract the sliding rods; then the holding rod is held by a hand to extend the device between a stator and a rotor in the generator, the switch is turned off, the suction cup electromagnet is powered off, the sliding rods slide under the action of the spring, one sliding rod stops sliding to abut against the stator, and the other sliding rod stops sliding to abut against the rotor; the switch is turned on, the suction cup electromagnet is powered on, the two sliding rods are sucked, then the device is taken out, the distance between the ends of the two sliding rods is measured through the vernier caliper, and the distance is the gap between the stator and the rotor. The method is used for measuring the generator stator-rotor gap.
Owner:JIANGSU HUADIAN YIZHENG THERMOELECTRICITY CO LTD
Internal tooth span measuring device
ActiveCN119289830AEasy to measureReduce difficultyMechanical depth measurementsMechanical clearance measurements
Owner:WUXI TIANYAN INTELLIGENT CONTROL TECH CO LTD
Inspection tool for copper bar production
ActiveCN222418879UMechanical diameter measurementsMechanical clearance measurementsStructural engineeringMechanical engineering
The utility model belongs to the technical field of inspection jigs, and particularly relates to an inspection tool for copper bar production, which comprises an installation platform, a plurality of clamping parts are arranged at the upper part of the installation platform, monitoring parts are arranged at the two ends of the upper part of the installation platform, and each monitoring part comprises an installation seat, a pull rod, a linkage rod, a rotating seat, a vertical monitoring pin and a monitoring seat. The lower end of the mounting base is fixedly connected with the upper portion of the mounting platform, the lower end of the pulling rod is rotationally connected with the upper portion of the mounting base, the upper end of the linkage rod is rotationally connected with the interior of the pulling rod, one end of the rotating base is rotationally connected with the upper portion of the mounting base, and the middle of the rotating base is rotationally connected with the lower end of the linkage rod. The vertical monitoring pin is arranged at the other end of the rotating seat. The middle part of the copper bar plate is clamped, fixed and inspected through the clamping part, the two ends of the copper bar plate are inspected through the monitoring part, the overall rapid inspection of the copper bar plate is realized through the combination of the clamping part and the monitoring part, and the quality of the copper bar plate is ensured.
Owner:NANJING YUANXIN STAMPING TECH CO LTD
Gear clearance detection device
The invention relates to the technical field of gear clearance detection, and discloses a gear clearance detection device, which comprises a three-coordinate measuring instrument body, a base, a turntable, an extrusion block and an extrusion arm. According to the gear detection device, the clamping plates are arranged, in the rotating process of the rotating disc, the rocker arm on the rotating disc drives the expansion plate to move, the expansion plate can drive the clamping plates to interact outwards from the inner side of a to-be-detected gear, then the to-be-detected gear is clamped, the tooth groove position of the to-be-detected gear is not affected, the purpose of protecting the to-be-detected gear is achieved, and the detection accuracy is improved; in the extrusion process of the clamping plate and the to-be-measured gear, an extrusion block drives a jacking block to move through an ejector rod, a synchronous plate on the jacking block can drive a fixed table to move, finally, a synchronous frame, a pull rod and a pull plate can be driven to move upwards, the to-be-measured gear can be integrally lifted through upward movement of the pull plate, and then sampling of the three-coordinate measuring instrument body is more convenient; and thus, the detection accuracy can be synchronously improved.
Owner:NANTONG ZELANG TECH CO LTD
Monitoring device for width and settlement of ground fracture
The utility model relates to a ground fissure width and settlement monitoring device which is characterized in that an adjusting arm is arranged on a supporting table, one end of the adjusting arm is installed on the supporting table through a gallows, the end, away from the supporting table, of the adjusting arm is installed on a measuring structure through a gallows, and a vertical distance measuring rod used for fissure depth measurement is installed at the center of an installation block in a sliding mode; one end, close to the crack, of the vertical distance measuring rod is provided with a measuring head, the two adjusting arms are provided with extension heads, the extension heads are installed on a limiting frame, and the limiting frame enables the inclination angles of the two adjusting arms to be the same in the placing process of the device, so that the positioning head can be placed at the crack when the device is placed, and the positioning head is in contact with the crack; it can be guaranteed that the measuring head makes contact with the two edges of a crack in the measuring process, the situation that the measuring head inclines in the adjusting process of the device is avoided, the positioning head is preferentially placed in the installing process, the positioning head and the measuring head are the same in shape, the adjusting arm is controlled to enable the supporting table to be stably supported on the ground, and fixing of the device is achieved.
Owner:SHAANXI PROVINCIAL GEOLOGICAL ENVIRONMENT MONITORING STATION
Clearance measuring device for small bearing
The invention provides a clearance measuring device for a small bearing. The clearance measuring device comprises a first accessory group and a second accessory group, the second accessory group comprises a plurality of accessory units corresponding to the model of the bearing to be detected; the first accessory group comprises a main gear, a fan-shaped rack meshed with the main gear, a dial indicator and a positioning assembly; by adopting the combination of the first accessory group and the second accessory group, the corresponding second accessory group can be selected and conveniently replaced according to the model of the bearing to be measured, so that one device can quickly adapt to different standard measuring forces required by various models of bearings; through meshing of the main gear and the fan-shaped rack, it is guaranteed that the pressure applied to the bearing is constant and can be repeated; the pressure value can be accurately set by replacing a force application spring and limiting of a corresponding limiting bolt and a stop pin, the standard measuring force requirements required by different bearing models are strictly met, and the accuracy and the reliability of a measuring result are fundamentally ensured.
Owner:JIANGSU KUNZHOU PRECISION ELECTROMECHANICAL CO LTD
Wire harness isolation plate hole site detection clamp
ActiveCN222652080UAccurate detectionReasonable structural designMechanical clearance measurementsPiston rodPressure switch
The utility model discloses a wire harness isolation plate hole site detection clamp, and relates to the technical field of clamps. Comprising an air cylinder, an air pressure switch valve, a product hole site profiling plate, hollow pipes, a mounting plate and an air pipe, the air cylinder is connected with the air pressure switch valve through the air cylinder, a piston rod of the air cylinder is connected with the mounting plate, the air cylinder is arranged on the fixed supporting frame, and the hollow pipes are arranged on the mounting plate. And the upper end of the hollow pipe is connected into a hole of the product hole site profiling plate. The device is reasonable in structural design, can accurately detect the hole site of the wire harness isolation plate, effectively meets the processing precision requirement, does not generate deviation, and is high in reliability.
Owner:SICHUAN JUZAO TECH CO LTD
Intelligent detection method and device for turnout space structure parameters
The invention discloses a turnout space structure parameter intelligent detection device and a method thereof, which utilize laser scanning and multi-sensor fusion technology and integrate a mechanical-electrical integrated structure, realize effective detection of turnout space structure parameters, meet the rapid and comprehensive detection requirements of common single-open turnouts, and improve the detection efficiency. The defects of low efficiency and more missed judgment of manual patrol are overcome, the detection efficiency is greatly improved, and automatic and intelligent detection equipment and technical means are provided for a railway engineering site.
Owner:RAILWAY CONSTR RES INST OF CHINA ACAD OF RAILWAY SCI CO LTD +3
Hand-held center distance gauge with meter
The utility model discloses a hand-held center distance gauge with a meter. The hand-held center distance gauge comprises a base. A main positioning pin is arranged at the bottom of one end of the base, and a second through hole is formed in the other end; an auxiliary positioning pin penetrates through the second through hole, the outer diameter of the auxiliary positioning pin is smaller than the inner diameter of the second through hole, and the top end of the auxiliary positioning pin is connected with a sliding block. The sliding block base is in sliding connection; a digital dial indicator is arranged on the top surface of the base; the measuring end of the digital dial indicator abuts against the sliding block. The gauge is convenient to operate and accurate in detection, realizes rapid detection of the center distance between two holes, is high in detection efficiency, and is suitable for batch detection.
Owner:DALIAN YAMING AUTOMOTIVE PARTS
Thermal power steam turbine general assembly through-flow measurement method
PendingCN119289828AGuaranteed concentricityGuaranteed concentricity requirementsMechanical diameter measurementsMechanical clearance measurementsProcess engineeringMachining
The invention discloses a thermal power steam turbine general assembly through-flow measurement method. Relates to the field of thermal power generation turbosets. At present, the problem that the installation progress of a power plant is affected due to the fact that an existing rotor manufacturing period and a stator assembly manufacturing period are not matched due to a final assembly assembly period is solved. A high-precision numerical control vertical lathe is used for machining the steam turbine stator part sleeve gland sealing teeth, the concentricity requirement of the through-flow position of the stator part sleeve is met, machining diameter data phi A are measured, during final assembly of a steam turbine, the center of the stator part sleeve is adjusted, a dummy shaft tool is used for measuring the gland sealing tooth center value, the up-down deviation omega and the left-right deviation delta, and the upper half part of the stator part sleeve is combined. The diameter phi A of the gland plate is measured again, and it is guaranteed that the deviation between the diameter phi A and the machining deviation is within 0.10 mm; machining the rotor by using a numerical control horizontal lathe, ensuring the concentricity of the shroud ring and the body position, and measuring the machining diameter phi B; and radial through-flow clearance calculation and gland sealing tooth repair are carried out to replace an original rotor in-place actual through-flow clearance measurement method, so that the production efficiency is improved. The method is applied to the field of turbine assembly measurement.
Owner:HARBIN TURBINE +1
Steel pipe port oblique cutting size measuring device and measuring method
The invention relates to a steel pipe port oblique cutting size measuring device and method, and the device comprises a rotating mechanism which is disposed at the bottom of a steel pipe and is used for supporting and rotating the steel pipe; the ruler abuts against the highest end point and the lowest end point of the to-be-measured port of the steel pipe; the stand column is arranged relative to the to-be-measured port, a certain distance is kept between the stand column and the to-be-measured port, the axis of the stand column is perpendicular to the horizontal plane, two laser distance measuring sensors are arranged on a column body of the stand column in a spaced mode, and the distance between the two laser distance measuring sensors is equal to the diameter of a steel pipe; the laser distance measuring sensor is used for measuring the distance between the laser distance measuring sensor and the ruler. According to the invention, the influence caused by the out-of-level axial lead of the steel pipe can be directly neglected, the oblique cutting size of the to-be-measured port of the steel pipe can be accurately measured, and the operation is convenient and simple.
Owner:SINOPEC OILFIELD EQUIP CORP
Fluid spraying assembly
An assembly and nozzle suitable ice dam abatement and other spraying applications is disclosed. A fluid spraying assembly as disclosed can include a nozzle through which fluid can pass and having an inlet and an outlet, and a depth gauge positioned adjacent to the outlet. The nozzle can discharge the fluid out of the outlet in a spray direction during operation. The depth gauge can include a shaft and a thermal insulator. The shaft can extend from the nozzle in the spray direction, can have an elongate shape, and can have a distal end that is spaced from the outlet in the spray direction. The thermal insulator can be positioned at least at the distal end of the shaft and can be a thermal insulating ball having a diameter that is greater than a width of the shaft and smaller than a width of the nozzle at the outlet.
Owner:PALUMBO SERVICES INC
Railway track online movement detection system and method
PendingCN119984048AAnalysing solids using sonic/ultrasonic/infrasonic wavesMechanical clearance measurementsForeign matterEmbedded system
The invention discloses a railway track online movement detection system and method, and relates to the technical field of rail detection, and the technical scheme is that the railway track online movement detection system comprises a detection management platform module, a signal processing module is arranged at the connection end of the detection management platform module, and a data processing module is arranged at the connection end of the signal processing module; the signal processing module comprises a track geometric parameter detection management module, a track fastener detection module and a foreign matter detection module, and the track geometric parameter detection management module comprises a track height detection module, a track gauge detection module, a track direction detection module, a horizontal detection module and a triangular pit detection module. The rail geometric parameter detection and management module comprises an image monitoring module, a laser photoelectric monitoring module and an ultrasonic monitoring module. The rail geometric parameter detection and management system has the beneficial effects that the working efficiency of an inspection mode is high, problems on a railway transportation line are found in time, a scientific and reasonable method is applied in time to maintain and repair the line, and good operation of the line and transportation safety are ensured.
Owner:BEIJING HONGSHAN INFORMATION TECH RES CO LTD
Knuckle bearing axial clearance detection tool
The utility model discloses a joint bearing axial clearance detection tool, which comprises a pressing unit, a loading unit and a detection unit, and is characterized in that the pressing unit comprises an outer ring pressing assembly and an inner ring fixing assembly, and the outer ring pressing assembly presses and fixes an outer ring of a joint bearing; the inner ring fixing assembly fixes an inner ring of the knuckle bearing in the axial direction. The loading unit comprises a loading push rod, and the loading push rod can be controlled to push and pull the inner ring of the knuckle bearing with a set load so as to drive the inner ring of the knuckle bearing to move relative to the outer ring of the knuckle bearing in the axial direction; the detection unit comprises a displacement detector, and the displacement detector is used for detecting the axial clearance of the knuckle bearing; the pressing unit can respectively fix the inner ring and the outer ring of the joint bearing to be detected, the loading unit drives the inner ring to move relative to the outer ring with a set load, and the detection unit feeds back the size of the axial clearance through the displacement of the guide shaft or the pressing block. The detection tool provided by the utility model can effectively detect the size of the axial clearance of the knuckle bearing.
Owner:ZHUHAI LONHUA HELICOPTERS TECH CO LTD