1901results about "Angles/taper measurements" patented technology

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 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 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 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 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 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.

An engine crankshaft rotation angle measuring tool comprises a body, a guide groove penetrating through the two sides of the body is formed in the middle of the body, and a cavity penetrating through the guide groove is formed in the upper portion of the body. The at least two fixing claws are oppositely arranged on the two sides of the body, a positioning groove is formed in one end of each fixing claw, the other end of each fixing claw is connected to the body through a guide groove, and the fixing claws slide in the guide grooves; the seat shaft is arranged in the cavity, the two ends of the seat shaft are connected with fixing claws arranged on the two sides of the body, and limiting bosses are arranged at the two ends of the seat shaft; the elastic piece is arranged in the middle of the seat shaft in a sleeving mode and connected with the limiting bosses at the two ends, and a distance for compressing the elastic piece is arranged in the middle of the seat shaft; and the angle meter is fixed at the bottom of the body. Adsorption connection is replaced by mechanical connection, abnormal sliding of the angle meter is effectively avoided, and measurement precision and efficiency are improved.

The utility model belongs to the technical field of product detection, and discloses an angle detection device. The angle detection device comprises a base and a rotating shaft, the base is used for fixing a motor, a detection hole is formed in the base, the detection hole can directly face an output shaft of the motor, angle scales are arranged on the outer surface of the base, and the angle scales surround the peripheral side of the detection hole; the rotating shaft penetrates through the detection hole, is matched with the output shaft and can drive the output shaft to rotate from a first position to a second position; the pointer is arranged on the peripheral side of the rotating shaft and can point to the angle scales. The angle detection device is convenient to operate in the detection process, accurate in detection and high in precision, and the detection efficiency of the motor is improved.

The utility model discloses a portable anchor rod drilling machine angle gauge, and belongs to the technical field of anchor rod and anchor cable construction in underground roadway supporting. The portable roofbolter angle gauge comprises a connecting block body, a flexible lock belt, a buckle, a vertical ruler, a plumb line and an angle graduated scale, two ends of the connecting block body are respectively connected with a flexible lock belt, and one end of the flexible lock belt is provided with a buckle; the lower part of the connecting block body is vertically connected with the vertical ruler, the plumb line is fixed below the connecting block body, and the connecting block body fixes the angle gauge on the jumbolter through the flexible locking belts and the buckles on the two sides; the angle graduated scale is vertically connected with the vertical ruler. The device is simple in structure, low in cost, small in size and convenient to carry; the anchor rod angle positioning device can be conveniently and tightly attached to an anchor rod drilling machine, accurate positioning of the angle of an anchor rod is rapidly achieved, the construction precision of the angle of an anchor rod cable is greatly improved on the premise that construction is not affected, and powerful guarantee is provided for exerting the efficiency of a supporting structure.

The invention relates to the technical field of steel pipe production, and discloses an inner diameter measuring device for steel pipe production, which comprises a handheld pushing mechanism, the inner diameter measuring device comprises a supporting rod, one end of the supporting rod is rotatably connected with an incomplete gear, and one side of the incomplete gear is fixedly provided with a rotating rod. According to the inner diameter measuring device for steel pipe production, after four rotating rods extend into a steel pipe, a grip can be held by a hand and a push rod is pushed rightwards, a first piston block moves rightwards to drive a second piston block to move rightwards, a first extrusion rod moves rightwards, a second extrusion rod moves rightwards, a sliding block and a moving plate move rightwards, an incomplete gear rotates to drive the rotating rods to rotate, and the four rotating rods rotate to be opened; the four rotating rods finally abut against the inner wall of the steel pipe, the supporting rods are automatically centered, the rotating angles of the rotating rods can be known by observing scales, the distance between the outer ends of the rotating rods and the center of the steel pipe can be calculated due to the fact that the lengths of the rotating rods are known, the inner diameter of the steel pipe is measured accordingly, and the device can conduct centered measurement and is rapid and accurate in measurement.

A method for identifying geometric errors in a machine tool includes the steps of: positioning a reference sphere so as to align its center with a centerline of a tool spindle; attaching a position measuring device having a gauge head to a rotation unit so as to direct the gauge head toward a rotation centerline of the rotation unit; acquiring displacement data relative to the center of the reference sphere by measuring positions of the reference sphere with the gauge head while rotating a rotation target (the swivel unit or the rotation unit) with the gauge head directed toward the center of the reference sphere, the displacement data being dependent on rotation angles of the rotation target; and identifying the geometric errors by least squares method using a mathematical expression having terms containing the geometric errors and representing displacement dependent on the rotation angles, and the displacement data.

The utility model relates to the technical field of jewelry, in particular to a measuring device for facet type gem processing, which comprises an arc plate, scale marks and an arc positioning groove are arranged on the arc plate, one end of the arc plate is provided with a fixed arm extending towards the circle center direction of the arc plate, the extending end of the fixed arm is hinged with a movable arm, and the movable arm is provided with a rotating shaft. A pointer is arranged at the free end of the movable arm, and a locking piece which is in sliding fit with the arc positioning groove and used for locking the movable arm is arranged on the movable arm. The measuring device is convenient to measure the machining angle of the faceted gem, can improve the efficiency of grinding the gem, and improves the yield and quality of products.

The invention belongs to the technical field of swivel bridge detection, and particularly relates to a swivel bridge horizontal alignment detection device which comprises a mounting seat fixed to the upper end of an abutment, a controller is fixedly connected to the side wall of the mounting seat, and two guide boxes are symmetrically and fixedly connected to the upper side wall of the mounting seat. After the swivel bridge construction is completed, mechanical contact detection is arranged on the abutment, compared with a detection assembly arranged between two swivel bridges which are spaced by four meters, a fixed and accurate mounting reference can be provided for the detection device by means of a stable structural foundation of the abutment, and a detection structure does not need to be arranged between the bridges which are spaced by four meters; the problems of inconvenient operation, large assembly fixing difficulty and the like caused by cross-interval installation are avoided, the bending deformation of the detection rod due to the gravity of the detection rod can be effectively avoided, and the detection precision is guaranteed from the installation reference and the detection structure.

The utility model belongs to the balance shaft detection technical field, and specifically discloses a balance shaft tooth angle detection tool comprising a base plate, a first fixing seat, a second fixing seat and a detection device, the first fixing seat and the second fixing seat are fixed on the base plate, and a balance shaft assembly is arranged between the first fixing seat and the second fixing seat; the balance shaft assembly comprises a shaft body and a detection annular protrusion arranged on the shaft body, a key groove is formed in the edge of the detection annular protrusion, and a detection block is connected to the key groove in a clamped mode. A transmission gear is further included, a positioning groove is formed in the transmission gear, and a positioning pin is arranged on the second fixing base. The included angle between the key groove and the positioning groove is fixed, two detection marking lines parallel to the shaft body are arranged on the detection block, and the detection device detects the installation angle deviation between the key groove and the positioning groove by measuring the height difference of the two detection marking lines. The device is simple in structure, convenient to detect, high in measurement precision, good in applicability and strong in practicability, and the working efficiency is greatly improved.

The invention relates to the technical field of measuring devices, and discloses an inclination angle measuring device for photovoltaic construction, which comprises symmetrically arranged connecting boxes, and each connecting box is provided with a snap ring capable of being opened and closed; the clamping ring is provided with a plurality of groups of measuring mechanisms for measuring the inclination of the cylinder, and the plurality of groups of measuring mechanisms are indicated by the inclination of the cylinder; the connecting box is connected with a leveling mechanism so that the levelness of the connecting box can be adjusted. According to the inclination angle measuring device for photovoltaic construction, by arranging the measuring mechanism, the perpendicularity of the concrete column is increased, the reminding effect is achieved, then reminding and detection can be conducted when the concrete column moves downwards, the detection convenience is improved, and along with the continuous increase of liquid in the indicating pipe, the inclination angle of the concrete column can be accurately measured. When the indicating tube is full of liquid, the movable tube acts on the indicating tube to continuously extend out of the indicating tube, and the effect of indicating the inclination degree is also achieved according to the extending length.