99 results about "Feeler gauge" patented technology

The invention relates to the technical field of pipeline welding, in particular to a thermal power plant pipeline system circumferential welding device which comprises a positioning and clamping set used for fixing a pipeline and further comprises a position adjusting set which is arranged on one side of the positioning and clamping set and comprises a movable sliding block. And a mounting seat is mounted at the upper end of the sliding block through a plurality of spring telescopic rods. By means of the alignment welding set and the guide reserving sets evenly distributed in the circumferential direction, the moving pipelines can be automatically guided, self-adaptive fine adjustment can be provided in the butt joint process of the two pipelines, the coaxiality can be fed back in real time, it is ensured that the ends of the two pipelines and the supporting ring are coaxially distributed, manual repeated calibration is not needed, and the production efficiency is improved. And in addition, the width of the welding seam between the two pipelines can be determined in the one-time alignment process, a feeler gauge does not need to be used for repeatedly detecting and adjusting the distance between the pipelines, and the pipeline welding efficiency is improved.

The utility model discloses a flatness detection device, and relates to the technical field of detection equipment, the flatness detection device comprises a bottom plate, a pressing assembly and a feeler gauge assembly, the pressing assembly is arranged on the bottom plate and is used for pressing a piece to be detected on the bottom plate; the feeler gauge assembly is rotatably arranged on the bottom plate, and when the pressing assembly presses a to-be-measured piece on the bottom plate, the feeler gauge assembly is rotated so that the feeler gauge assembly can pass through the space between the bottom plate and the to-be-measured piece.

1. Name of the product in this design: Speed ​​sensor gap feeler gauge. 2. Purpose of this design: A feeler gauge used to measure the gap between speed sensors. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model provides a special gap inspection device for elevator inspection, which relates to the technical field of elevator gap inspection, and comprises a vernier caliper and an elevator gap inspection feeler gauge, an inner diameter measuring jaw with a fixed position of the vernier caliper is provided with an insertion frame, the insertion frame is divided into an upper part and a lower part, and the upper part is sleeved with a connecting plate; the connecting plate is arranged, the two abutting rods are arranged on the connecting plate to abut against the inner wall of the side, close to the car door, of the elevator gap, and the inserting frame on the connecting plate assists one end of the fixed inner diameter measuring jaw of the vernier caliper to move to make contact with the inner wall of the side, close to the car door, of the elevator gap. And the floating inner diameter measuring jaw moves along the width direction of the elevator gap to one side far away from the elevator car door until the inner diameter measuring jaw is attached to the other side edge of the elevator gap, so that the width of the elevator gap can be measured, and contact interference with the elevator car door can be avoided in the measuring process.

The utility model relates to the technical field of elevators, and provides a feeler gauge for elevator detection, which comprises a connecting frame, a moving frame, an insertion hole, a support rod, a buffer spring, a moving block, a measuring plate, an insertion rod, a moving strip and an insertion column, the moving frame is arranged in the connecting frame, the outer side surface of the moving frame is provided with the insertion hole, the support rod is arranged in the moving frame, and the buffer spring is arranged on the moving block. A buffer spring is installed in the moving frame, a moving block is slidably connected into the moving frame, the measuring plate is installed on the inner side face of the moving block, the inserting rod is arranged in the measuring plate in a penetrating mode, a moving strip is installed at the end, away from the measuring plate, of the inserting rod, and an inserting column is installed on the side, close to the measuring plate, of the moving strip. The outer surfaces of the supporting rods penetrate through the buffer springs and the moving blocks, and the inserting columns penetrate through the inserting holes in the tops. According to the technical scheme, the problem that a feeler gauge is difficult to cling to a gap in the prior art is solved.

This utility model discloses a backplate flatness testing device, including a rotary table with a placement plane, a support plate disposed on the rotary table, the support plate having a support plane for adhering to the back of the backplate, a base having a mounting plane parallel to the base, an adjusting rod connected to the mounting plane, the adjusting rod being axially perpendicular to the mounting plane, a controllable movable sliding sleeve sleeved on the outside, a measuring rod disposed on the side of the sliding sleeve, a slot having a slot at the end of the measuring rod away from the sliding sleeve, an elastic element built into the slot, one end of the elastic element abutting against the inner wall of the slot, the other end being connected to a feeler gauge inserted into the slot, the feeler gauge having a measuring end, and the device also includes a controller connected to a torque sensor. This flatness testing device uses a torque sensor to provide real-time feedback on the contact state between the feeler gauge and the backplate, realizing controllable testing force, quantitative determination of contact gap, and data-driven testing results, thus improving the automation and accuracy of flatness testing.

A scraper calibration device of additive manufacturing equipment comprises a calibration base, a plurality of distance measuring instruments and a standard block, a stepped and open cavity is formed in the calibration base, and the calibration base is at least provided with a first supporting face, a second supporting face and a mounting face from bottom to top by forming the cavity, a plurality of distance measuring instruments are placed on the first supporting surface, a standard block is placed on the second supporting surface, and the bottom of the standard block is in contact with the tops of the distance measuring instruments; and after the calibration seat is calibrated by the standard block and the cavity is removed, a scraper assembly is placed between the mounting surface and the second supporting surface. The vertical dial indicator and the standard block are combined for calibration, compared with a feeler gauge in the prior art, calibration is more accurate, and for some materials with relatively low scraper strip hardness, as the top of the scraper assembly is installed on the calibration base through the screw, the scraper strip freely falls and is not influenced by the gravity of the scraper assembly, and the calibration accuracy is improved. Therefore, deformation caused by self weight of the scraper assembly can be greatly reduced.

The utility model relates to a slidable flatness measuring tool, which comprises a first rotating rod and a second rotating rod, the first rotating rod is rotatably connected with the second rotating rod through a hinge, the first rotating rod and the second rotating rod are cuboids with straight edges, and the first rotating rod and the second rotating rod are connected through a hinge. A flatness detection device is installed on the front face of the first rotating rod and the front face of the second rotating rod and comprises a sliding support, a fixed magnetic sheet, a detection rod and a limiting magnetic sheet. Compared with an existing flatness detection ruler, the flatness detection ruler can detect flatness and measure flatness data of any point only through single-person operation without the cooperation of a feeler gauge, avoids the step of repeated measurement by using the feeler gauge, and is low in measurement error, convenient to use, visual in data reaction and high in accuracy. Meanwhile, the problem that the wedge-shaped feeler gauge is lost and cannot be used for measurement is solved, and the flatness of a measured surface can be quickly and accurately measured by a worker.

The invention discloses angle adjusting equipment for an X-shaped guide rail of a press machine and an adjusting method of the angle adjusting equipment. The angle adjusting equipment comprises a servo motor, a sleeve assembly and an adjusting assembly. The adjusting assembly comprises a first adjusting rod in threaded fit with the sliding block and in rotating fit with the adjusting block and a second adjusting rod in threaded fit with the adjusting block, the first adjusting rod is used for adjusting the relative distance between the adjusting block and the X-shaped guide rail, and an adjusting piece for limiting the gap between the adjusting block and the X-shaped guide rail is arranged at the end of the second adjusting rod. The sleeve assembly comprises a sleeve used for driving the first adjusting rod and a sleeve rod used for driving the second adjusting rod. A driving sleeve is arranged on the output shaft, and a clutch sleeve matched with the sleeve and / or the sleeve rod is arranged in the driving sleeve in a sliding mode. The servo motor drives the clutch sleeve to switch three gears, the linkage sleeve and the sleeve rod control the first adjusting rod and the second adjusting rod in a time-sharing mode, full-automatic quantitative adjustment of the gap between the adjusting block and the X-shaped guide rail is achieved, and manual operation of a feeler gauge is thoroughly omitted.

The utility model relates to the technical field of engineering quality acceptance equipment, in particular to a quality acceptance actual measurement device for constructional engineering, which comprises a wedge-shaped ruler body, a connecting plug and a handle, the connecting plug is fixedly connected to the end face of the ruler body, the end face of the handle is inwards provided with a connecting slot, the connecting plug is matched with the connecting slot and is inserted into the connecting slot, and the connecting plug is inserted into the connecting slot. A containing groove is formed in the side wall of the handle, a locking groove is inwards formed in an opening position of the groove wall, adjacent to the containing groove, of the inserting-connecting groove, a protruding edge is machined on the side wall of the inserting-connecting head, the protruding edge is matched with the locking groove and can slide in the locking groove, a locking hole is formed in the groove bottom of the containing groove, and the locking hole is communicated with the containing groove and the locking groove. A locking bead is movably arranged in the locking hole, the locking bead protrudes out of the bottom of the locking groove, and the inserting head is detachably fixed in the inserting groove through the locking bead and the protruding edge, so that the effects that the feeler gauge can measure narrow or high gaps by replacing handles with different lengths, and the measuring efficiency is improved are achieved.

The invention provides a compressor body bearing hole coaxiality detection structure and method, and belongs to the technical field of bearing hole coaxiality measurement, the compressor body bearing hole coaxiality detection structure comprises a crankshaft, a bearing seat, a positioning block, an adjusting frame and a measuring mechanism, the positioning block is clamped with a bearing seat subdivision surface, a stable and repeatable installation reference is established, and the bearing hole coaxiality is detected. The measuring mechanism is adjustably connected to the positioning block through the adjusting frame. The measuring head of the measuring mechanism abuts against the diameter surface of the crankshaft to detect the gap between the surface of the crankshaft on the left side and the right side of the center line of the crankshaft and the horizontal position of the surface of the bearing hole, the horizontal offset of the center of the bearing hole is directly measured through data displayed by the measuring mechanism, and then the coaxiality of the bearing hole is detected. And the situation of inaccurate measurement caused by inconsistent insertion depth of the feeler gauge and large manual judgment error is avoided. The coaxiality detection structure and method are high in universality and convenient to operate, the dependence of field detection on a special tool tile is reduced, and the detection efficiency and data reliability of the coaxiality of the bearing hole of the compressor body are improved.

The utility model discloses a PCB (printed circuit board) warpage measuring tool, which relates to the technical field of PCB detection, and comprises a measuring tool, the measuring tool is a right triangle plate, the included angle between the long straight edge and the bevel edge of the measuring tool is 10 degrees, the long straight edge of the measuring tool is provided with scale marks, and the bevel edge of the measuring tool is detachably provided with a support assembly. According to the utility model, the measuring tool is a right triangle with the angle of 10 degrees, the long straight edge of the measuring tool is provided with the scale marks, during measurement, the hypotenuse of the triangle is taken as the bottom, the measuring tool is inserted into the warping area, the scale of the long straight edge is read and recorded after insertion, and the warping value is obtained by multiplying the scale by sin 10 degrees, so that the measuring tool is simple and convenient to operate and does not need to be like a feeler gauge and a needle gauge; and different specifications need to be used for comparison one by one, so that the data measurement efficiency can be effectively improved.

The utility model provides a photovoltaic glass flatness detection device, which belongs to the technical field of photovoltaic cell manufacturing, and comprises a rotary mechanical arm, a bearing platform and a movable filler gauge unit, and telescopic arms which extend and retract along the vertical direction are respectively arranged at two ends of the rotary mechanical arm; the two telescopic arms are respectively provided with a vacuum chuck for adsorbing glass and a pressing block for pressing the glass; the bearing platform is used for placing glass to be detected; the movable feeler gauge unit comprises a feeler gauge and a first sliding rail for driving the feeler gauge to move parallel to the edge of the glass, the first sliding rail is arranged on the edge of the bearing platform, a second sliding rail perpendicular to the first sliding rail is further arranged on the first sliding rail, the feeler gauge is installed on the second sliding rail, and the second sliding rail drives the feeler gauge to be away from or close to the glass. The photovoltaic glass flatness detection device provided by the utility model is simple in structure and convenient to use, can realize automatic detection, can timely discover and remove unqualified glass, avoids the fragment rate of a subsequent production line, and reduces the production cost.

The invention discloses a rail transit communication signal control detection device, and belongs to the technical field of rail transit communication control detection, the rail transit communication signal control detection device comprises a turnout controller and a turnout gap detection device.The turnout gap detection device comprises a detection trolley, a detection guide rail is arranged on the rear side of the advancing direction of the detection trolley, and a sliding sleeve is slidably connected to the detection guide rail; the sliding sleeve is driven by a driving device to slide on the detection guide rail, one side of the sliding sleeve is provided with a swing rod, and the lower end of the swing rod is fixedly connected with a beating hammer; the bottom of the sliding sleeve is hinged to a suspender, the lower end of the suspender is provided with a feeler gauge, and a hinge shaft of the suspender is provided with a torsion spring. The device has the advantages that the striking hammer strikes the turnout to detect whether a shaking gap exists in the turnout or not, and therefore detection is more comprehensive.

The invention provides a high-precision automatic centering assembly method for a lens barrel and a lens frame and a feeler gauge tool, the automatic centering assembly method comprises the following steps: assembling the lens frame in the lens barrel, and determining the gap size of a radial gap between the lens barrel and the lens frame, selecting a first feeler gauge with a preset specification according to the gap size; the lens frames are sequentially placed in the inner cavity of the lens barrel, and first feeler gauges are symmetrically arranged at the four-quadrant positions of the radial gap; and based on a four-quadrant multidirectional compensation method, applying equal pre-tightening force to a plurality of positions in the radial gap, and gradually adjusting the relative position of the lens frame in the lens barrel, so that the coaxiality and the inclination angle of the lens frame and the lens barrel reach preset precision. The problems of low assembly precision and large coaxiality deviation caused by part manufacturing tolerance and assembly eccentricity in the assembly process of the lens barrel and the lens frame in the prior art are solved.

The utility model discloses an elevator brake clearance rapid inspection device, a guide mechanism comprises a housing, one surface of the housing is provided with a mounting groove, the edge of the surface of the mounting groove is provided with a plurality of threaded holes, the inner side of the mounting groove is movably provided with a cover plate, and the surface of the cover plate is provided with connecting screws at positions close to the threaded holes in a penetrating manner. Screws on the surfaces of the cover plates are in threaded connection with the interiors of the threaded holes, sliding grooves are formed in the middle, the upper side and the lower side of the surfaces of the cover plates and extend in the horizontal direction, sliding blocks are slidably connected into the sliding grooves, and inserting shafts are fixedly connected to the sides, close to the interior of the shell, of the sliding blocks. The sliding blocks on the surface of the shell are pushed to drive the feeler gauges to stretch out and draw back, the multiple sliding blocks can drive the different feeler gauges to stretch out and unfold, then the brake gap can be rapidly detected conveniently, the feeler gauges do not need to be frequently pulled out and adjusted in the gap, and the gap detection efficiency is improved.

The utility model belongs to the technical field of laser light path systems, and particularly relates to a mirror bracket and a light path system. The mirror bracket comprises: a base; the mirror frame is used for mounting optical elements; the fixing pieces are used for connecting the base and the mirror frame; wherein a first arc-shaped surface is arranged on the base, and a second arc-shaped surface matched with the first arc-shaped surface is arranged on the mirror frame; through the cooperation of the first arc-shaped surface and the second arc-shaped surface, the pitching angle of the optical element can be adjusted. In other words, when the pitching angle of the optical element needs to be adjusted, a plug gauge does not need to be adopted, adjustment can be conducted by rotating the pitching angle of the mirror frame due to cooperation of the first arc-shaped face and the second arc-shaped face, fastening is conducted through the fixing piece after adjustment is completed, and the risk of stress deformation of the padding plug gauge is avoided.

A rectifier bridge flatness detection device relates to the technical field of semiconductors. Comprising a measuring table for bearing a rectifier bridge, a horizontal arm fixedly arranged on the top of the measuring table and a push rod. The push rod is pressed on the measuring table through the spring. When the flatness is detected, the push rod is pulled up, and the center hole of the 6KBJ material to be detected is aligned with the positioning hole in the measuring table; the push rod is put down, the material is pressed and fixed through the tension of the spring, the feeler gauge is taken out, the four edges of the material are measured according to the size of the feeler gauge from small to large, and therefore the flatness value of the back face of the material body is obtained. The device has the characteristics of exquisite structure, low cost, simple and stable detection operation and the like.

This invention discloses a device, application, and measurement method for measuring the perpendicularity of a component. It solves the problem in existing technologies where the narrow space between the measured component and the fixed component, along with the transition section, affects the perpendicularity measurement. This invention provides advantages in ensuring measurement accuracy and efficiency. The specific solution is as follows: A device for measuring the perpendicularity of a component includes a support base, a right-angle measuring ruler, and a feeler gauge. The support base is gate-shaped, supported on both sides by the fixed components of the component being measured. The top surface of the support base is flat and parallel to the fixed components of the component being measured. The support base can span the bottom plate and the weld seam on the side of the bottom plate of the component being measured. The inner side of the support base contacts the vertical panel of the component being measured, or the inner side of the support base is spaced apart from the vertical panel. The top surface of the support base is lower than the top surface of the component being measured. The right-angle measuring ruler can be placed on the top surface of the support base, with its first right-angle side contacting the top surface of the support base.

The present invention discloses a device and method for measuring the height from the surface of an inlet rectifying blade rocker arm with a ball table to the ball table. The measuring device includes a base, a spring, a screw, a spindle, a pressure plate, and a nut. During measurement, the ball table of the rocker arm is inserted into the spindle, ensuring that the lower surface of the ball table of the rocker arm is in close contact with the stepped surface F of the spindle, and at the same time ensuring that the rocker arm surface is in close contact with the fitting surface B of the base. The pressure plate is passed through the spindle and placed on the upper surface of the ball table. The nut is screwed into the third spindle section with external threads on the spindle. The nut is tightened so that the pressing plane A of the pressure plate is in close contact with the upper surface of the ball table, completing the relative fixation of the rocker arm surface and the ball table. A feeler gauge is inserted into the gap between the pressing plane A and the rocker arm surface to determine whether the height h from the rocker arm surface to the ball table is within an acceptable range. The present invention is simple to operate, provides fast and accurate measurement results, and is easy to implement on-site.

The utility model relates to the technical field of measurement, in particular to a calibration device of a rolling laser thickness gauge, which comprises a scanning device and a calibration device, the scanning device comprises a fixed frame, two groups of fixed seats are mounted on two sides of the fixed frame in an opposite supporting manner, a roller is arranged between each group of fixed seats, and the calibration device is connected with the scanning device. A C-shaped frame is arranged on the fixed frame between the two sets of rollers, a laser probe assembly is arranged at the front end of the C-shaped frame, a calibration device penetrating through the C-shaped frame is arranged between the rollers and comprises a filler gauge fixing plate, adjusting plates and pipe clamps, the adjusting plates are arranged at the two ends of the filler gauge fixing plate, and the pipe clamps connected with the rollers are arranged on the two sides of the adjusting plates respectively. The filler gauge is movably fixed on the filler gauge fixing plate, the pipe clamp of the calibration device is fixed on the roller, the filler gauge is fixed on the filler gauge fixing plate, and the position of the filler gauge is adjusted through the kidney-shaped hole of the adjusting plate, so that the laser probe assembly can completely scan the filler gauge.

The invention discloses a motor encoder coupling centering measurement auxiliary device and a measurement method, a wide seat angle square clamping assembly of the auxiliary device clamps a wide seat angle square at a motor left half coupling, and a measurement cantilever of the wide seat angle square is located between the motor left half coupling and an encoder flange; the dial indicator clamping assembly is arranged on the inner side face of the encoder flange and clamps a dial indicator through a T-shaped frame, and a measuring probe of the dial indicator abuts against a measuring cantilever of the wide-seat angle square. And the extension rod type inside micrometer is arranged on a lengthened nut of the wide-seat angle square clamping assembly. According to the method, an extension rod type inside micrometer, a feeler gauge, a gauge block and a dial indicator are used for achieving end face inclination initial adjustment, radial deviation initial adjustment, end face inclination fine adjustment and radial deviation fine adjustment respectively. The device is convenient to machine and manufacture, low in cost and wide in application range, and the method is particularly suitable for centering measurement of a small encoder coupler, displacement and shaking of a measuring instrument are avoided, measurement errors are reduced, and the measurement accuracy and precision are improved.

The utility model discloses a tool for detecting the mutual positions of the wheel grooves of the same belt pulley train, which relates to the technical field of mechanical equipment assembly detection and comprises two belt pulley bodies, the top ends of the two belt pulley bodies are provided with the same measuring body, and the side end parts of the measuring body are movably provided with connecting blocks. A positioning body is arranged at the side end of the connecting block, at least two fixing bolts are rotatably installed in the connecting block, the measuring body passes through a wheel groove in the surface of the belt wheel body, and gaps between the two side faces of the wheel groove and the measuring body are detected through feeler gauges respectively. The side end parts of the measuring body and the positioning body are respectively provided with the second threaded port and the first threaded port, the side ends of the measuring body and the positioning body are in butt joint with the fixing bolts, and the fixing bolts are rotated to respectively enter the measuring body and the positioning body in a rotating manner, so that the measuring body and the positioning body are assembled and installed. And parts are convenient to replace and maintain.

The utility model relates to the technical field of elevator maintenance, in particular to a feeler gauge for elevator door slot detection, which comprises a transverse plate, a connecting shaft is fixedly connected to the left side of the opposite side of the transverse plate in a penetrating manner, a gauge sheet is movably sleeved on the surface of the connecting shaft, and chutes are formed in the front side and the rear side of the opposite side of the transverse plate. A sliding block is slidably connected to an inner cavity of the sliding groove, and a scraper knife is riveted to the opposite side of the sliding block. Through cooperation of the sliding groove, the sliding block, the scraper knife, the frame body and the limiting block, the plastic strip is pressed, the plastic strip drives the lower pressing block to move downwards, the lower pressing block presses the limiting block downwards, limiting on the scraper knife is relieved at the moment, then the scraper knife is pulled towards the right side, and after the scraper knife moves to a certain position, the top of the limiting block extends into the through hole in the right side. And a user shovels and cleans impurities attached to the surface of the door frame through the scraper knife, and then measurement operation is carried out.

The utility model discloses a carpet left front and right front and back carpet assembly testing fixture, which comprises a chassis, a testing fixture main body, an auxiliary positioning mechanism, a positioning clamping mechanism and a detection mechanism, and is characterized in that the testing fixture main body is fixedly arranged in the middle of the chassis, sliding rails are symmetrically and fixedly arranged on the chassis front and back, a sliding frame is slidably arranged on the sliding rails, and positioning buckets are symmetrically and fixedly arranged below one side of the sliding frame; a carpet assembly is plugged into the positioning hopper, positioning reference holes are formed in the four corners of the carpet assembly in a matched mode, detection grooves are symmetrically formed in the detection tool body, positioning reference columns are fixedly arranged at the four corners in the detection grooves in a matched mode, a positioning clamping mechanism is arranged below the other side of the sliding frame, and a detection mechanism is arranged below the other side of the sliding frame. According to the utility model, automatic guiding and positioning of the carpet assembly are realized through cooperation of the slide rail and the positioning hopper, the detection efficiency is obviously improved by combining accurate alignment of the positioning reference hole and the reference column, and the gap pressure change can be monitored in real time and the size can be accurately judged through the detection mechanism integrating the pressure sensor and the feeler gauge.

The application relates to the technical field of glove machines, in particular to a glove machine assembling method and a glove machine.The glove machine assembling method increases the use of flatness testing tools to detect the flatness of the needle plate mounting surface of a wall plate assembly; based on the flatness detection result, if the flatness of the needle plate mounting surface of the wall plate assembly meets the requirements, the needle plate assembly is fixedly installed on the needle plate mounting surface of the wall plate assembly; if the flatness of the needle plate mounting surface of the wall plate assembly does not meet the requirements, the wall plate assembly is adjusted by using an adjusting piece; the assembling method converts the core reference precision which is originally dependent on experience and difficult to control into on-site and quantifiable rapid judgment by using the flatness testing tool and the feeler gauge, thereby ensuring the accuracy and consistency of the needle plate mounting reference at the assembling source; the low-efficiency mode of repeatedly disassembling and assembling part assemblies in traditional assembling is changed, and the assembling efficiency is significantly improved.

The utility model belongs to the technical field of aircraft maintenance, and discloses a gap measuring assembly, which comprises a reference piece and a measuring piece, the reference piece is provided with an arc surface, the arc surface is provided with scale marks extending along a first direction, and the measuring piece is arranged on the reference piece in a sliding manner along the first direction. The measuring piece is provided with a mark for pointing to the scale line, one end of the measuring piece in the first direction is provided with a measuring surface, the corresponding outer diameter of the measuring surface is gradually increased from one end away from the mark to one end close to the mark in the first direction, the arc surface is used for being in contact with one measured surface, and the measuring surface is used for being in contact with the other measured surface; the gap measuring assembly can measure the gap between the two measured surfaces, solves the problem that a traditional feeler gauge cannot measure the two measured surfaces which are curved surfaces, and is accurate and rapid in measurement and convenient to operate.

The utility model belongs to the technical field, and specifically relates to a die-casting end plate flatness measuring tool and measuring equipment. The die-casting end plate flatness measuring tool comprises a mounting seat, a base plate, a pressure sensor, a pressure sensor and a pressure sensor, the guide baffle and the limiting baffle are perpendicular to each other and are arranged on the bottom plate; the pressing device is arranged on the mounting seat and is used for pressing the to-be-tested product on the bottom plate; and the plurality of contact type displacement sensors are arranged on the bottom plate in a penetrating manner and are respectively used for acquiring Z-axis coordinate data of corresponding positions of the to-be-detected product. According to the die-casting end plate flatness measuring tool of the utility model, a product to be measured can be positioned through the guide baffle plate and the limiting baffle plate, the pressing device can press and fix the product to be measured, and the contact type displacement sensor can collect Z-axis coordinate data of a corresponding position of the product to be measured, so that the flatness of the product can be obtained. In other words, the die-casting end plate flatness measurement tool can replace a manual feeler gauge detection mode, and the measurement efficiency and stability are improved.

The invention relates to the technical field of ship bearing detection, in particular to a method for measuring a clearance value of a ship bearing, which comprises the following steps of: setting four measuring points on the outer circumference of the bearing by adopting an ultrasonic thickness gauge, and calculating the clearance value by receiving and analyzing two echo signals; the surface is subjected to graded cleaning treatment before measurement, so that the measurement precision is ensured; the thickness gauge selects a specific model, and an optimized parameter combination including pulse width, threshold level and trigger mode is set; during measurement, environment temperature and probe pressure are controlled, and multiple times of measurement are performed to obtain an average value; multi-position measurement is realized by rotating the probe, and complete bearing clearance data is established; the method solves the problems that a traditional feeler gauge is low in measurement precision and limited in application range, the gap between the arc-shaped bearing and the bearing with the limited installation position can be accurately measured, and the measurement precision reaches + / -0.01 mm; the measuring process is safe and reliable, and the method is suitable for bearing detection in static and low-speed operation states.

The invention provides a crankshaft assembly turning radius inspection method, and belongs to the technical field of automobile part inspection. The problems that existing crankshaft turning radius detection depends on special equipment, cost is high, efficiency is low, and engine faults are caused by turning radius out-of-tolerance possibly caused by untimely detection are solved. According to the method, a rotary supporting frame and a testing fixture are used, a crankshaft is placed on the rotary supporting frame, the crankshaft is rotated to enable the highest point of a balance block to face upwards, the testing fixture is placed on a main journal, the crankshaft is rotated to observe a gap between the testing fixture and the balance block, whether the gap meets technical requirements or not is detected through a filler gauge, and if the gap is out of tolerance, the balance block is remachined till the balance block is qualified. The device does not need special measuring equipment, reduces the detection cost, is simple and rapid in operation, can accurately detect the rotation radius of the crankshaft, effectively avoids engine faults caused by out-of-tolerance, facilitates the improvement of the production efficiency and the product quality, and guarantees the performance and the service life of the engine.