2687results about "Angles/taper measurements" patented technology

The invention provides a wheel camshaft precision detection device, which comprises a base, a detection mechanism, a linkage piece, a lifting mechanism and a clamping mechanism, and is characterized in that the clamping mechanism is used for clamping a camshaft with a cam, the lifting mechanism is arranged on the base and is used for driving the linkage piece to lift, the detection mechanism comprises two groups of symmetrically arranged detection assemblies, and the detection assemblies are arranged on the base. The detection assembly comprises a fixed sleeve, a movable column, a detection head, a telescopic sleeve, a guide column and an indicator lamp, the movable column is axially connected to the fixed sleeve in a telescopic mode and connected with the top end in the fixed sleeve through a first spring, and the detection head is arranged at the end of the movable column. When the detection mechanism carries out specific detection, the cam is used as a middle conductor, and the indicating lamps on the two sides are turned on. And the guide post is in constant contact with the cam in the ascending process. In the ascending process of the detection heads, if the two sides of the cam are asymmetric, the detection head on one side is separated from the cam, and the indicating lamp on the side is extinguished, so that the asymmetric positions of the two sides of the cam are obtained.

The invention belongs to the technical field of magnetic core crack detection, and particularly relates to magnetic core surface crack detection equipment which comprises a detection box and two supporting legs arranged on the lower side wall of the detection box, and an operation panel is fixedly connected to the left side wall of the detection box. When the probe is used for detecting the rod-shaped magnetic core, impurities attached to the surface of the rod-shaped magnetic core can be automatically cleaned in the detection process, and then cracks on the surface of the rod-shaped magnetic core are detected, so that the time spent on an extra dust cleaning procedure is shortened, and the detection efficiency is improved under the condition that the workload of operators is reduced. According to the detection device, the detection accuracy of the rod-shaped magnetic core is guaranteed, the straightness of the rod-shaped magnetic core can be automatically detected while cracks on the surface of the rod-shaped magnetic core are detected through the probe, the detection result is visually displayed to an operator, the operator can conveniently record and analyze the detection result, and the use performance of the detection device is improved.

The present disclosure relates to a system and method for adjusting a tool with a plurality of segments for inserting into a cavity of a machine. The method includes determining an initial alignment measurement of at least a portion of the tool; comparing the initial alignment measurement to a target alignment measurement to determine an adjustment amount; and adjusting at least one of the plurality of segments based on the adjustment amount. The tool includes a plurality of segments moveably coupled, where one or more of the plurality of segments comprises a unique dimensional measurement affecting a fit tolerance.

The invention belongs to the technical field of cable fitting processing, and particularly relates to an electric connector connecting piece angle measuring device and method. The device comprises a dial plate mechanism and a connecting piece fixing mechanism, the dial plate mechanism is connected with the connecting piece fixing mechanism; the dial mechanism comprises pointers and a dial; the middle of the pointer is connected with the center of the dial, and the pointer rotates on the dial; the pointer is connected with the connecting piece fixing mechanism; a fixing assembly for fixing the electric connector and a positioning assembly for positioning the central axis of the electric connector are arranged on the dial plate, and dial plate scale values are further arranged on the surface, close to the pointer, of the dial plate in the circumferential direction of the dial plate; the fixing assembly comprises a plurality of fixing claws, and the plurality of fixing claws are uniformly arranged along the circumferential direction of the dial plate; the positioning assembly comprises a positioning piece, and the positioning piece is arranged on the dial plate; according to the invention, the deviation angle between the electric connector and the connecting piece can be observed, the central axis of the connecting piece and the central axis of the end surface of the electric connector are accurately adjusted to be in the same horizontal plane, and the cable processing and assembling efficiency is improved.

The utility model provides a difunctional angle measuring instrument, which relates to the technical field of angle measuring instruments, and comprises a first graduated scale, one side of the first graduated scale is fixedly connected with a circular shaft, the outer ring of the circular shaft is rotatably connected with a second graduated scale, one side of the second graduated scale is provided with a first sliding chute, and the second graduated scale is provided with a second sliding chute. A first sliding groove is formed in one side of the first graduated scale, a second sliding groove is formed in the other side of the second graduated scale, angle scale marks are arranged on one side of the second graduated scale, a pointer is fixedly connected to one side of the first graduated scale, and one end of the pointer penetrates through the first sliding groove and points to the angle scale marks. Therefore, the rotating angle of the arc-shaped rack driven by the rotating gear is small, so that the effect of accurately adjusting the second graduated scale is achieved, the situation that the force is too large or too small during operation can be avoided, the measurement accuracy is improved, the angle measuring instrument is convenient to use, and the use effect is improved.

The invention discloses a blade rocker arm angle measuring tool and method. The tool comprises a bottom plate, a rotating support, a rotating shaft, a rotating lever, a right support, a sliding groove block, a sliding seat, a left support, a lifting pin, a left pressing block, a positioning plug pin, a right pressing block, an eyelet bolt, a spacer sleeve, a threaded block and a connector. A left shaft neck and a right shaft neck of the blade are positioned and pressed through a circular groove formed by the right support, the left support, the left pressing block and the right pressing block, the end face of the right support is attached to the right shaft end face of the blade, the lifting pin abuts against the left shaft end face of the blade, a rocker arm hole is positioned through the first positioning plug pin, and complete restraining and positioning of the blade are achieved. And then two dial indicators are installed on the sliding seat, so that the profile point deviation of the to-be-measured blade is measured after the zero setting of the blade zero setting standard component, and the angle deviation value is calculated through the reading difference value of the upper dial indicator and the lower dial indicator. The problems that the angle of the rocker arm blade is difficult to measure during batch production and the three-coordinate detection efficiency is low are solved.

The invention discloses a method for measuring the angular offset of a coupling, and the method comprises the following steps: measuring the diameter D1 of the outer circular surface of a driven end half coupling flange and the diameter D2 of the outer cylindrical circular surface of a driven end half coupling, and selecting a plurality of to-be-measured surfaces on the outer circumferential surface of the driven end half coupling; measuring values of a highest point and a lowest point of a to-be-measured surface on the outer circumference of the driven end half coupling by taking the outer circular surface of the driving end half coupling as a reference, and calculating a difference value between the highest point and the lowest point; drawing a three-dimensional model according to the data, and then calculating to obtain a deflection angle alpha of the maximum flange surface of the driven end half coupling; according to the deflection angle alpha of the maximum flange surface of the driven end half coupling, obtaining the angular offset of the flange surface of the driven end half coupling under the to-be-measured surface; and calculating angular offsets corresponding to other surfaces to be measured, wherein the maximum angular offset is the angular offset of the coupling to be measured. According to the invention, the angular offset can be conveniently and directly measured and calculated.

The utility model discloses an auxiliary tool for detecting an underfilled fillet of a rotary forge piece. The auxiliary tool comprises a first measuring section, and a second measuring section and a holding section which are respectively connected with the first measuring section, a reference edge is arranged on the first measuring section, and a lower die fillet auxiliary detection edge is arranged on one side, close to the first measuring section, of the second measuring section; an upper die fillet auxiliary detection edge is arranged on one side, far away from the first measurement section, of the second measurement section; the reference edge, the lower die fillet auxiliary detection edge and the upper die fillet auxiliary detection edge are located in the same plane. An obtuse angle is formed between the reference edge and the lower die fillet auxiliary detection edge, the obtuse angle is 92 degrees, the reference edge can be attached to the upper end face or the lower end face of a to-be-detected rotary forge piece, and the lower die fillet auxiliary detection edge and the upper die fillet auxiliary detection edge are located in the same plane. By means of the device, the size of the underfilled defect of the outer fillet of the forge piece can be rapidly determined, the detection efficiency is effectively improved, and the detection result is more accurate.

The invention relates to the technical field of measurement, in particular to building construction tubular pile perpendicularity measuring equipment and a using method thereof.The building construction tubular pile perpendicularity measuring equipment comprises two sets of bottom rings, one ends of the two sets of bottom rings are connected through a hinge, the other ends of the two sets of bottom rings are connected through studs, and each bottom ring is provided with a first frame, a second frame, a vertical rod, an annular tooth column and a threaded rod; the device has the beneficial effects that the device can synchronously measure the four different directions of the pipe pile at the same time, then the perpendicularity of the pipe pile is judged, in order to evaluate the perpendicularity of the pipe pile, workers can record and read the dip angle track obtained on the measuring plastic plate, the perpendicularity state of the pipe pile can be directly judged in the process, and the perpendicularity of the pipe pile can be evaluated. According to the method, the inclined angle and the inclined direction of the pipe pile can be read and calculated at the same time, the labor input is remarkably reduced, the working efficiency is improved, the method has wider application applicability, meanwhile, the arranged plastic plate can be rapidly mounted and dismounted, and the operation efficiency is improved.

The utility model discloses a heat-resistant and wear-resistant bent and straight pipe angle sampling inspection measurement device, and relates to the technical field of bent and straight pipe sampling inspection measurement. Comprising a sampling inspection workbench and a bent straight pipe sample body, a bent straight pipe corresponding groove is formed in the front face of the sampling inspection workbench, and the bent straight pipe sample body is placed on the inner side of the bent straight pipe corresponding groove. According to the utility model, if the bent and straight pipe sample body cannot be placed in the bent and straight pipe corresponding groove, the bent and straight pipe sample body can be determined not to meet the sampling inspection qualified standard, and if the bent and straight pipe sample body can be placed in the bent and straight pipe corresponding groove, the bent and straight pipe sample body meets the preliminary sampling inspection standard; through the detection assembly, the bent and straight pipe sample body to be detected can be conveniently limited; meanwhile, whether the detection assembly is conveniently attached to the surface of the bent and straight pipe sample body or not and whether the detection assembly is loosened or not after making contact with the bent and straight pipe sample body or not are observed from top to bottom, so that whether the bent and straight pipe sample body meets the qualification requirement of sampling detection or not is conveniently determined.

The invention discloses an inclined plane space size detection auxiliary device and a detection method, and belongs to the technical field of inclined plane detection, the inclined plane space size detection auxiliary device comprises two measuring assemblies, each measuring assembly comprises a plane positioning base, an inclined plane positioning base, a hinge connecting rod group and a measuring block, the plane positioning bases are used for fitting a workpiece plane, and the inclined plane positioning bases are used for fitting the workpiece plane; the inclined plane positioning base is used for being attached to the inclined plane of a workpiece, a measuring plane is formed at the end of the measuring block, and the inclined plane positioning base is hinged to the plane positioning base through a first pin shaft, so that the inclined plane positioning base can freely rotate around the center of the first pin shaft; one end of the hinged connecting rod group is fixedly connected with the inclined plane positioning base, the other end of the hinged connecting rod group is connected with the measuring block and used for driving the measuring block to slide in the axial direction of the plane positioning base through rotation of the inclined plane positioning base, and the movement amount of the measuring block is consistent with the change of the intersection point of the inclined plane and the plane. The method has the advantages of being good in measurement precision and universality.

The utility model discloses compasses. The compasses comprise a main body shell, a first compasses leg, a second compasses leg and a hydraulic display device, one end of the first compass leg is rotationally connected with the main body shell; scales are arranged on one surface of the main body shell; and the hydraulic display device comprises a liquid storage piece for storing liquid and a liquid flow channel which is communicated with the liquid storage piece and corresponds to the scales. According to the compasses, the first compasses leg rotates relative to the main body shell so as to drive the liquid in the liquid storage part to flow along the liquid flow channel, and the opening amplitude of the first compasses leg relative to the second compasses leg is matched with the scale corresponding to the position where the liquid stays in the liquid flow channel. Therefore, the compasses also have other functions. Compared with the traditional compasses, the compasses provided by the utility model are more diversified.

The invention provides a machine tool guide rail welding device with detection structures, and relates to the technical field of welding equipment.The machine tool guide rail welding device comprises a mounting mechanism, a limiting rod is taken down from a base body, two movable frames are made to move towards the middle at the same time, whether the detection rods on the detection mechanisms on the two sides can be inserted into detection holes in the detection mechanisms on the opposite sides or not is observed, and if yes, the detection mechanism is started; by means of the design, the traditional complicated detection process is abandoned, the detection time is greatly shortened, and the problems that an existing welding device is lack of a built-in auxiliary detection structure, and after the guide rails are welded, the welding quality is checked, and the detection efficiency is greatly improved are solved. In the prior art, a user has to implement evaluation by means of an external special detection device, so that the capital investment of an enterprise for purchasing professional detection equipment is additionally increased, and the links of equipment preparation, operation, data reading and analysis and the like before and after each detection consume a lot of time, and the overall production and processing efficiency is greatly reduced.

The invention discloses an automobile large-angle seat H-point measuring device and an assembling method thereof. The automobile large-angle seat H-point measuring device comprises a head assembly, a back type assembly, a hip type assembly and a leg assembly which are connected in sequence. The hip-shaped assembly comprises a hip-shaped bottom plate, a connecting notch is formed in the rear end of the hip-shaped bottom plate, an H-point supporting seat is installed on the inner side of the connecting notch, a connecting groove is formed in the middle of the upper end of the H-point supporting seat, and two H-point connecting rods arranged in a bilateral symmetry mode sequentially penetrate through the hip-shaped bottom plate on the corresponding side and the upper end of the H-point supporting seat respectively. The hip type assembly is optimally designed, and the connecting notch is formed in the right rear portion of the hip type bottom plate, so that the connected back type assembly can be opened at a large angle; by means of the scheme, the range of the measurement angle can be adjusted, and the maximum included angle between the trunk and the seat cushion can reach 160 degrees.

The invention discloses a multi-angle rotating platform and method, and belongs to the technical field of measurement, the multi-angle rotating platform comprises a lower bottom fixing seat, a horizontal rotating mechanism and a vertical rotating mechanism, the horizontal rotating mechanism comprises a lower bottom rotating disc, a rotating shaft fixedly connected with the lower bottom fixing seat, and a mounting plate connected with the lower bottom fixing seat; the rotating shaft is sleeved with the rotating fluted disc and fixedly connected with the lower bottom rotating disc, the lower bottom rotating disc is provided with a horizontal dial, the rotating shaft is rotationally connected with the lower bottom rotating disc, and the horizontal driving assembly penetrates through the mounting plate and is meshed with the rotating fluted disc; the vertical rotating mechanism comprises a supporting plate fixed to the lower bottom rotating disc, a supporting rotating shaft rotationally connected with the supporting plate, an upper top plate with a carrying area, a vertical dial arranged on the supporting plate, a vertical angle pointer and a vertical driving assembly, and the axis of the supporting rotating shaft is perpendicular to the axis of the rotating shaft. According to the invention, the technical effects of improving the operation convenience and facilitating the improvement of the measurement precision and efficiency are achieved.

The invention provides a gas turbine inlet adjustable guide vane angle measuring method and measuring device. The method for measuring the angle of the inlet adjustable guide vane of the gas turbine comprises the following steps: S1, taking at least one of a rotating shaft, a fixed part and a rocker arm of the inlet adjustable guide vane as a rotating part; s2, after the inlet adjustable guide vane assembly is debugged, when an inlet adjustable guide vane rotates to a set angle, the angle corresponding to a rotating piece is defined as a standard angle, and the set angle of the inlet adjustable guide vane comprises at least one of a full-open angle, a full-closed angle and a minimum full-speed angle; and S3, when the inlet adjustable guide vane assembly is overhauled, after a command for controlling the inlet adjustable guide vane to rotate to a set angle is given, the measurement angle of the rotating piece is compared with the standard angle, so that whether the inlet adjustable guide vane rotates to the set angle or not is judged. According to the gas turbine inlet adjustable guide vane angle measurement method, the measurement difficulty can be reduced, and the measurement and debugging efficiency can be improved.

The present invention discloses a load-bearing capacity detection device and detection method based on an automobile transmission shaft, comprising a connecting seat, wherein both ends of the upper side of the connecting seat are provided with a fixed frame, an automobile transmission shaft is placed on the upper ends of the two fixed frames, the tops of the two fixed frames are fixedly connected to a cylinder, the bottoms of the two cylinders are connected to a pressure frame, a hydraulic cylinder is provided at the top of the middle part of the connecting seat, and a pressure member is connected to the bottom of the hydraulic cylinder. The present invention relates to the technical field of load-bearing capacity detection of automobile transmission shafts. This load-bearing capacity detection device and detection method based on an automobile transmission shaft, when the automobile transmission shaft is deformed, the deformation part of the upper end of the automobile transmission shaft pushes the rotating frame to rotate, and the rotating end of the rotating frame drives the pointer to rotate. When the user closes the hydraulic cylinder, the pointer and the dial are observed through the rectangular lens to obtain the rotation angle of the deformed end of the automobile transmission shaft. During the deformation process of the upper end of the automobile transmission shaft, the splashing debris generated by the automobile transmission shaft is blocked by the rotating frame.

The utility model relates to the technical field of measuring tools, in particular to a revolved body workpiece filing comprehensive measuring tool which comprises a seat body and a cantilever assembly arranged at the upper end of the seat body. The mandrel comprises a positioning section used for positioning a workpiece to be measured and a locking section used for integrally locking the mandrel on the seat body, a locking assembly is arranged on the locking section, the workpiece to be measured sleeves the positioning section in a matched mode, and a first measuring assembly matched with the closed gas pipe for limiting and a second measuring assembly matched with the locking hole seat for filing and measuring are connected to the cantilever assembly. The cantilever assembly comprises a main cantilever located above the mandrel and a side cantilever located on the side of the mandrel, the first measuring assembly is arranged on the side cantilever, and the second measuring assembly is arranged on the main cantilever. The utility model further relates to an operation method of the comprehensive filing measuring tool for the rotary body workpiece. According to the scheme, filing machining can be carried out on the rotary body workpiece, and comprehensive measurement of the angle and the symmetry degree is carried out.

The utility model discloses a photovoltaic installation inclination angle intelligent calibration device, which comprises a bottom plate, the top of the bottom plate is rotatably connected with a protractor, the bottom of the bottom plate is provided with a groove, the inner wall of the groove is rotatably connected with an indicating rod, and the bottom plate, the protractor and the indicating rod are rotatably connected through a sucker seat. The suction cup seat comprises a base and a shaft rod installed at the top of the base in an inserted mode, through holes penetrating up and down are formed in the inner wall of the base and the inner wall of the shaft rod, and circle center positioning rods are installed on the inner walls of the through holes in a matched and inserted mode. And meanwhile, a circle center positioning rod is arranged in the center of the suction cup seat, so that the accuracy of detecting the installation inclination of the photovoltaic equipment and the convenience of operation are improved by conveniently and accurately finding the zero point position of the inclination angle required to be measured.

The invention relates to the field of measuring devices characterized by the mechanical technology, in particular to a method for detecting the raceway angle and the perpendicularity error of a large tapered roller bearing. According to the invention, a small and medium-sized bearing standard component having the same angle as a detected tapered roller bearing raceway is used as a detection standard component, and after the detection standard component is positioned through the radial reference fulcrum and the radial auxiliary fulcrum, zero setting calibration is carried out on a detection meter through the detection standard component. And then the positions of the radial reference fulcrum and the measuring meter are ensured to be unchanged, the position of the measured bearing is determined through the radial reference fulcrum and the other radial auxiliary fulcrum, and then the measured bearing is detected by using the measuring meter after zero setting calibration. A comparison detection method is adopted, small and medium-sized bearings with the same raceway angle as the detected large bearing are used as comparison standards for detection, large special detection equipment does not need to be adopted, the detection cost is greatly reduced, meanwhile, the method can be suitable for detection of various types of bearings, and the application range is wide.

The invention discloses a test device for detecting the pressure-bearing performance of a fire hose, and relates to the technical field of fire hose pressure-bearing detection.The test device comprises a main frame, the outer wall of one side of the main frame is fixedly connected with a side frame, and the top of the main frame is provided with a butt joint pipe used for fixedly and hermetically connecting a hose body; a fixing plate is arranged on the top of the main frame, and the butt joint pipe is fixedly connected with the fixing plate. According to the device, when a worker bends the water hose body to a certain angle and then stops bending, through the self-locking performance between a screw rod and a threaded sleeve, it can be guaranteed that the two fixing plates do not displace in the subsequent water hose body stamping process, and then it is guaranteed that the water hose body is always located at the set bending angle for pressure bearing detection; and the problems of unstable detection conditions and data deviation caused by the bending angle change due to the displacement of the fixed plate are avoided.

The utility model relates to an automobile electric steering gear assembly inspection device, and belongs to the technical field of automobile electric steering gear assembly inspection equipment. The inspection device for the automobile electric steering gear assembly comprises a rack, a conveying plate chain line, a follow-up bottom plate, a follow-up clamping seat and a supporting plate, two groups of transverse plate chains are symmetrically arranged on the rack; a conveying plate chain line is arranged at one end of the transverse plate chain; a plurality of accompanying bottom plates are arranged on the conveying plate chain line; a follow-up clamping seat is arranged on the follow-up bottom plate; a reversing plate chain assembly is arranged in the conveying plate chain line through a lifting cylinder. And a supporting plate is arranged between the two groups of transverse plate chains through a lifting cylinder. The inspection device for the automobile electric steering gear assembly can mechanically realize feeding and discharging operation, so that the problems of high labor intensity and low inspection efficiency of the existing inspection method for the automobile electric steering gear assembly are solved, and the inspection device is particularly suitable for the inspection and use requirements of the automobile electric steering gear assembly.

The invention discloses a mine side slope stability monitoring device, and relates to the technical field of mine side slope stability monitoring, the mine side slope stability monitoring device comprises a monitoring assembly and a mine side slope, the monitoring assembly is installed at the top end of the mine side slope, the monitoring assembly is installed on the mine side slope, the number of the monitoring assembly is multiple, and the monitoring assembly is installed on the mine side slope. The monitoring assembly comprises a rotating seat and a fixing part, the rotating seat is located at the front end of the fixing part, a vertical inserting groove is formed in the upper surface of the rotating seat, the vertical inserting groove vertically penetrates through the rotating seat, a vertical detection rope is inserted into the vertical inserting groove, transverse inserting grooves are formed in the surfaces of the two sides of the rotating seat, and the transverse inserting grooves penetrate through the rotating seat. By means of the scheme, the problems that an existing mine slope stability monitoring method uses a large number of electric devices, installation is complex, a large amount of electric power laying is needed, faults and damage are prone to occurring, cost is high, operation is complex, slopes are damaged, and monitoring data are not accurate are solved.

The invention relates to the field of measuring devices, and discloses a multifunctional measuring device for product design, which comprises an upper column body, the middle part of the upper column body is rotatably connected with two symmetrical and mutually spliced supporting rods, an angle measuring device is arranged between the two supporting rods, a three-dimensional scanning camera is arranged on the lower wall of the upper column body, and the three-dimensional scanning camera is arranged on the lower wall of the upper column body. A first support is fixedly connected to the upper wall, a controller is fixedly connected into the first support, a handrail is rotationally connected to the top end of the first support, and two three-dimensional scanning cameras are arranged on the outer walls of the opposite faces of the two supporting rods in a staggered mode according to different heights. Through cooperation of the upper column body, the supporting rod, the angle measuring device, the three-dimensional scanning camera, the wheel-shaped measuring tape and the wheel-shaped horizontal ruler, the whole measuring device can achieve multiple measuring purposes, can be used for traditional measurement and can also conduct three-dimensional contour scanning on an object, the effect of integrating multiple measuring functions is achieved, the tool cost is further reduced, and the working efficiency is improved. And the portability is improved.

The invention relates to the technical field of automobile manufacturing, discloses a measuring gauge for the ablation edge angle and the profile tolerance of a door ring single plate, and solves the problems that an existing measuring gauge for the ablation edge angle and the profile tolerance of the door ring single plate can only perform single-dimension linear measurement, time and labor are wasted due to multi-step operation, and efficiency is low. The device comprises a frame, a workbench arranged at the top end of the frame and a dial indicator movably connected to one side of the workbench, the dial indicator is stably fixed through driving of a three-clamp structure, a driving structure, a moving assembly and a fixed-point measurement structure, the measurement accuracy and reliability are improved, meanwhile, a camera can record data in real time, three-face clamping is conducted on a single plate, and the measurement accuracy and reliability are improved. The device is simple in structure and convenient to operate, ensures that the device is fixed in position in the measurement process, can perform multi-path and fixed-point equidistant measurement on the measurement surface of the single board, improves the measurement integrity and accuracy, facilitates the evaluation of the quality of the single board, can achieve comprehensive and efficient continuous measurement through the cooperation of a short rack and a second gear, and is suitable for large-scale production measurement.

The utility model provides a slope brushing measuring scale which comprises a vertical plate, a horizontal transverse ruler and a slope surface auxiliary positioning plate, the vertical plate is fixedly installed in the middle of the top of a base, a groove body a is formed in one end of the slope surface auxiliary positioning plate, a connecting plate is fixedly installed at the other end of the slope surface auxiliary positioning plate, a groove body b is formed in one end of the horizontal transverse ruler, and a groove body c is formed in the other end of the horizontal transverse ruler. And a mounting groove is formed in the vertical plate. The adjusting assembly is arranged, the driving motor drives the lead screw to rotate, the lead screw rotates to drive the moving plate to move longitudinally, the moving plate drives one end of the horizontal transverse ruler to move longitudinally, and the degree of the included angle between the horizontal transverse ruler and the vertical plate and the degree of the included angle between the horizontal transverse ruler and the slope surface auxiliary positioning plate are changed. Then the displacement distance of one end of the horizontal transverse ruler can be obtained through the scale marks, then the height of the end point of the right side of the horizontal transverse ruler is obtained, then the gradient is calculated according to the reading and the cosine law, then gradient measurement is completed, and therefore the device can conveniently measure the gradient.

The invention provides a heeling angle measuring device and a heeling angle measuring method for a ship inclination test. The heeling angle measuring device for the ship inclination test comprises a supporting bracket, a reduction gear set, a pendulum bob, a pointer and a side magnet strip, the supporting bracket comprises a bottom plate and a side plate which is perpendicular to the bottom plate and fixed to the bottom plate, a shell of the reduction gear set is fixed to the rear end face of the side plate, and the pendulum bob is fixedly connected to the lower portion of an output shaft of the reduction gear set. An input shaft of the reduction gear set penetrates through a through hole of the side plate and then is fixedly connected with a pointer on one side of the front end face of the side plate, a dial is arranged on the front end face of the side plate to observe the rotation angle of the pointer, a side face magnet strip is fixed to the front end face of the side plate, the supporting support is made of non-metal materials, and the side face magnet strip is used for making the pendulum bob swing still. According to the heeling angle measuring device for the ship inclination test, the accuracy of ship heeling angle measurement can be improved, and meanwhile the size of the heeling angle measuring device is small.

The invention discloses a coaxiality detection device for steel pipe production and manufacturing, which comprises a detection table, a detection guide rail is fixedly arranged on one side of the top of the detection table, driving bases are fixedly arranged at the two ends of the detection guide rail, and a ball screw is rotatably arranged in the middle of the detection guide rail. According to the steel pipe coaxiality detection device, the two steel pipe erecting mechanisms and the detection mechanism are installed on the detection guide rail in a sliding mode, during detection, a to-be-detected steel pipe can be erected and driven by a gear motor, the to-be-detected steel pipe can be driven to rotate, the detection mechanism can move, and a measuring arm can move at a constant speed along the rotating to-be-detected steel pipe; the position degree of each point inside and outside the steel pipe is collected, the coaxiality of the steel pipe is reflected by comparing and modeling the position degrees of the inner and outer points of the steel pipe, the data volume collected by a single steel pipe is large, the error is smaller, and the detection accuracy is improved.

The utility model discloses a cone shaft size measuring tool which comprises a calibration gauge and a measuring gauge. One end of the calibration gauge is provided with a measuring surface, the measuring surface is provided with taper, one end of the measuring gauge is provided with a first reference surface and a second reference surface, a step is arranged between the first reference surface and the second reference surface, the step is provided with a through hole along the axial direction of the measuring gauge, and the inner side of the through hole is a working surface. The working face is provided with taper, and the measuring face is matched with the working face. The measuring tool provided by the utility model is simple in structure and principle, flexible and convenient to operate and low in cost, is a comprehensive inspection tool, and can inspect the taper of the measured cone shaft and the diameter of the measured cone shaft. The device is suitable for the measurement of the detected cone shaft with high precision requirements, is accurate in detection result and high in detection efficiency, can be used for large-scale detection, and has good popularization and application values.