132 results about "Protractor" patented technology

The utility model relates to the technical field of geological exploration measuring tools, in particular to an inclination angle measuring device for geological exploration, which comprises a main body frame, one end of the main body frame is connected with an adjusting structure in a sliding manner, and the adjusting structure comprises an adjusting frame body and a positioning part which is in threaded connection with the adjusting frame body; a plurality of positioning holes are formed in the adjusting frame body, and the positioning parts selectively penetrate through the positioning holes and penetrate into the ground; and the other end of the main body frame is rotationally connected with a measuring plate and a protractor. Through the matching design of the adjusting frame body and the positioning part, the positioning part penetrates into the ground inside and outside the main body frame, so that the device can be better fixed with the ground, and the stability in the measurement process is improved. And the adjusting frame body is designed in a sliding connection mode, so that the position and height of the device can be quickly adjusted. Meanwhile, due to the storage design of the positioning part, the device is more compact in a non-measurement state and is convenient to carry.

The utility model relates to the technical field of measuring devices, and discloses a foldable measuring device for building design, which comprises a first ruler strip and a second ruler strip which are rotatably connected, the lower part of the front end of the first ruler strip and the upper part of the front end of the second ruler strip are both provided with scale marks, the upper part of the rear end of the first ruler strip is provided with a first groove, and a second groove is formed in the rear end of the second ruler strip. The lower portion of the front end of the second ruler strip is provided with a second groove which is the same as the first groove in size, the upper portion of the first ruler strip is provided with a sliding groove, the front end of the first ruler strip is detachably connected with a protractor, a sliding block of an inverted-T-shaped structure is arranged in the first groove in a sliding mode, and the front end of the sliding block penetrates through the sliding groove and then is connected to the protractor. The angle between the first ruler strip and the second ruler strip can be adjusted, and the protractor can be detachably installed on the first ruler strip to measure the upward angle through cooperation of the sliding block, the second lead screw and the second fastening knob. The device is simple in structure, convenient to use, easy to store and high in practicability.

1. The name of the design product: teaching demonstration protractor. 2. The use of the design product: angle teaching demonstration and angle measurement. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. Other circumstances that need to be explained: the moving ruler of the design product can be rotated by 90° along the vertex, and the arc scale can be folded up and down, forming the unfolded state and the closed state of the product.

The utility model relates to the technical field of optical measurement, and discloses a laser angle measuring tree height measuring instrument which comprises a scale base, a measuring mechanism is installed on the top of the scale base and used for detection and measurement, and a plurality of telescopic mechanisms are installed on the front side and the rear side of the bottom of the scale base at equal intervals. The telescopic mechanism is used for adjusting the height of the scale base; the measuring mechanism comprises a fixed short piece, the fixed short piece is installed on the top of the scale base, a supporting column is fixedly connected to the middle of the inner wall of the fixed short piece, and an arc-shaped support is fixedly connected to the top end of the supporting column. According to the utility model, the laser pen aims at the top of a tree, and the electronic protractor measures an angle alpha; the measuring mechanism is moved to the left inserting groove, the angle beta is measured after leveling, the distance L between two points of the scale of the base is read, the tree height is calculated through a formula, the instrument is made of a laser pen and an electronic protractor which are common objects, the cost is smaller than 100 yuan, operation is easy and convenient, and the instrument is worthy of popularization.

This utility model discloses a mortise and tenon joint type police metal badge, including a metal badge body and a metal badge structure set at the front side; a protractor is set in the side groove, and a central connecting shaft is set at the middle of the end of the protractor; a side telescopic blade is set inside the metal badge body, and a length value is set on the side telescopic blade; a toggle block is set on the side of the side telescopic blade, and a limit moving groove is set on the outer side of the toggle block; by pushing and pulling the toggle block, the side telescopic blade can be extended and retracted; the protractor can be rotated to the outside for angle measurement or to the inside for concealment via the central connecting shaft. After the improvement of this utility model, some simple measuring tools can be integrated into the badge, which can provide preliminary reference data in emergency situations, thereby effectively improving the practicality of the police metal badge.

The utility model discloses a drainage tube fixing device capable of measuring the lifting angle of a bedside, which belongs to the field of medical instruments and comprises a protractor and a ruler strip, the back of the protractor is fixedly connected with a bed board fixing component, the front of the protractor is provided with a sliding groove, and the protractor is movably connected with the ruler strip through a movable shaft. The bottom end of the ruler strip is fixedly connected with the protractor through a locking bolt, and the top end of the ruler strip is fixedly connected with a gradienter; according to the drainage tube fixing device capable of measuring the lifting angle of the bed head, by arranging the protractor, the sliding groove, the ruler strip, the movable shaft, the locking bolt, the gradienter, the movable sleeve, the fixator and the laser lamp, measurement of the lifting angle of the bed head and measurement of the hanging height of the drainage tube can be integrated in the hanging process of the drainage tube; medical staff can conveniently, quickly and accurately find the fixed height of the drainage tube and the lifting angle of the bed head, so that convenience is brought to the work of the medical staff.

This utility model belongs to the field of lathe tool measurement technology, and in particular to a vertical lathe tool measuring device, including a first vertical support frame, a base plate, and a second vertical support frame. Its features include: a protractor slidably connected to one side of the second vertical support frame; a horizontal rod fixedly connected to one side of the protractor; a movable plate provided on one side of the protractor; a limiter detachably connected to one side of the horizontal rod; connecting blocks provided on both sides of the movable plate; the horizontal rod passing through one of the connecting blocks; and the horizontal rod being fixedly connected to an adjacent connecting block. Before machining, the device measures the tool according to different shape machining requirements, selects a suitable tool, and measures the angle of tools used for a period of time, filtering out tools with high wear and replacing them to avoid large errors during machining caused by excessively worn tools, thereby ensuring product quality.

The invention discloses a puncture auxiliary device, and particularly relates to the technical field of medical instruments. The puncture auxiliary device comprises a protractor, an arc-shaped groove is formed in the protractor, and the distance between the center line of the arc-shaped groove and the circle center of the protractor is a preset value h; the scaleplate is movably installed on the protractor and is perpendicular to the bottom side plane of the protractor, the scaleplate can move along the arc-shaped groove, and a calibration line used for indicating an angle is arranged at the end, close to the protractor, of the scaleplate; the scale is sleeved with the moving assembly in a sliding mode, the moving assembly comprises a limiting component used for limiting a puncture needle, and a limiting hole used for limiting the puncture needle is formed in the limiting component. The device is simple in structure and convenient to operate, can realize single-person accurate puncture, effectively solves the problems of low efficiency and large error of multi-person manual measurement for avoiding ribs in a traditional method, and remarkably improves the safety and success rate of inclined puncture.

The invention relates to the technical field of interventional therapy, and particularly discloses a percutaneous puncture navigation system which comprises a camera module and a display module, the display module displays a main picture shot by the camera module, and an electronic protractor picture is suspended on the main picture as a floating layer; a puncture layer S, a puncture point A, a puncture angle alpha, a puncture depth D and a puncture target point T of a focus area of a patient are determined, a camera module is arranged on one side of the patient in the scanning direction, and the camera module aims at the body surface of the focus area to shoot, so that a round point O in a picture of the electronic protractor coincides with the puncture point A of the body surface of the patient; a datum line in an electronic protractor picture is parallel to the horizontal plane; the puncture needle coincides with the angle line of the angle alpha in the picture of the electronic protractor, and the puncture needle enters the depth D along the angle line alpha of the electronic protractor and then reaches the puncture target point T. The puncture cloth needle arranged as the puncture needle achieves the visual navigation function, reduces the puncture difficulty, improves the puncture precision and reduces the puncture scanning frequency.

The steel bar bending construction device with the angle measuring function comprises a base and a steel pipe welded to the side face of the base, a to-be-bent steel bar extends out of the steel pipe, and the steel bar bending construction device further comprises a protractor arranged at the end of the base; the spring steel is arranged on the base; the spring steel is provided with the first extending end, and the to-be-bent steel bar part abuts against the spring steel; the arc-shaped groove is formed in the protractor, and the first extending end partially extends out of the arc-shaped groove; the spring steel is provided with a second extending end connecting base; and the first scales are arranged on the protractor. One constructor can bend the to-be-bent steel bar while reading the bending angle of the to-be-bent steel bar in real time, and the bending efficiency is effectively improved. And the influence of rebound of the to-be-bent steel bar on the bending precision is reduced through the compensation value, and the bending precision of the to-be-bent steel bar is effectively improved.

The application provides a ranging device and a casing following rotary drilling hole forming process, and relates to the technical field of ranging equipment. The ranging device comprises a central distance setting mechanism, a support box, a telescopic sleeve and a positioning pipe. The central distance setting mechanism comprises an insertion shaft and a connecting shaft. The top of the connecting shaft penetrates through the support box and is connected with a protractor. A synchronous part is installed in the support box. The synchronous part comprises a synchronous belt, a synchronous slider and two synchronous wheels. The ranging sensor is used to measure the distance between the central axis of the connecting shaft and the outer surface of the positioning pipe. The casing following rotary drilling hole forming process can continue drilling and hole forming until the preset hole depth is reached after the whole casing is installed. The technical scheme provided by the application provides the functions of fast distance setting and point setting for the installation of the calibration rod, and can ensure that the calibration rod maintains a vertical state when it is hammered into the ground, thereby avoiding the problems of deviation and inclination when the calibration rod is hammered.

The utility model discloses a step slope angle rapid measuring device for an open-pit mine, which relates to the technical field of step blasting of open-pit mines and comprises a fixed arm, a protractor, a vertical direction determining piece, an adjusting arm, an infrared laser transmitter and an angle indicating piece. The vertical direction determining piece is arranged on the fixed arm so as to determine that the fixed arm is in a vertical state and enable the bottom edge of the protractor to be in a vertical state, and the adjusting arm is rotationally connected with the protractor and can rotate around the axis of the protractor. The infrared laser emitter is fixedly connected to the end, away from the axis of the protractor, of the adjusting arm so as to emit laser and be positioned to the step slope bottom position, the extension line of the laser penetrates through the axis of the protractor, the angle indicating piece is arranged on the adjusting arm and can indicate the angle when the adjusting arm rotates to the measuring position, the structure is simple, and use is convenient. Use is convenient, and the construction progress is effectively guaranteed.

The utility model discloses an angle gauge, including scale part, alignment amplification part and screw, the scale part includes dial, guide pillar, first pin and nut, the alignment amplification part includes magnifying glass, soft cover, spring, second pin, the dial with guide pillar riveting, the nut with guide pillar riveting, the spring is covered and is established on the second pin, the soft cover is covered and is established on the spring, the second pin is inserted and is established on the magnifying glass, the scale part with alignment amplification part is connected through the nut with screw cooperation, the utility model discloses simple structure can measure or draw geometric figure angle, even close to the geometric figure angle of paper edge, simultaneously, the utility model discloses hand -held convenient, can quickly shift and position.

The utility model discloses a simple mine angle and gradient measuring instrument, which belongs to the related technical field of mine measurement, and comprises a first base body and a second base body which are rotatably connected, and a main protractor is arranged on the first base body; a round bubble correction device is arranged at the main protractor; a first laser pen and a second laser pen are arranged in the middle of the first base body and the middle of the second base body respectively. A first reading base line and a second reading base line are respectively arranged on the first base body and the second base body; a first side protractor and a second side protractor are arranged in the middle of the first base body and the middle of the second base body respectively, and the first side protractor and the second side protractor are perpendicular to the direction of the main protractor. The utility model provides a simple instrument for measuring angle and gradient of a mine, the problem of larger azimuth measurement deviation caused by magnetic field change can be solved by using the protractor to measure the angle, and the problem of larger gradient measurement error caused by rope bending can be solved by measuring the laser rotation angle.

The invention relates to the field of medical equipment detection, in particular to an optical lens function inspection device which comprises a device body, the device body comprises a fixing module and a detection module, the fixing module comprises a base, a moving groove is formed in the base, a marking groove is formed in the moving groove, and a fixing assembly is installed at one end of the moving groove and comprises an adjusting rod. The adjusting rod is of a hollow structure. A guide cover is installed at one end of the adjusting rod. The detection module comprises a camera and a mounting frame, a light source and an indexing meter are mounted on the mounting frame, the adjusting rod, the camera, the light source and the indexing meter are mounted on the same axis, the light source is in signal connection with a control module, and the control module is used for controlling the camera to perform sequential shooting on the optical lens to be detected after detecting that the light source is turned on. And the acquired image data is associated and matched with the angle data of the graduator. According to the invention, the convenience, precision and traceability of the detection process are realized, and the use requirements of low cost and easy operation of medical institutions are met.

The utility model provides a device for measuring the offset and deflection angle of a glass substrate, which comprises a positioning frame movably connected to the upper surface of a handle through a main bolt, the upper end and the lower end of the handle are fixedly connected with two groups of positioning plates, and the two ends of the positioning frame are symmetrically provided with through grooves; the top of the through groove is provided with a positioning hole and a buffer groove, an auxiliary bolt is screwed in the positioning hole, a buffer layer is fixedly connected in the buffer groove, the surface of the caliper is correspondingly provided with a guide groove opposite to the position of the auxiliary bolt, the caliper is slidably connected in the through groove through the guide groove, the side face of the clamping groove is symmetrically provided with clamping grooves, and one end of the probe is fixedly connected in the clamping grooves. Through cooperation of the positioning frame, the caliper, the bevel protractor, the handle, the positioning plate, the probe and the probe head, the device can conveniently and correspondingly measure the glass substrate, the probability that the surface of the glass substrate is accidentally damaged due to measurement can be effectively reduced, and the yield of the glass substrate is ensured.

The utility model discloses an aluminum profile processing angle measuring device, which relates to the technical field of aluminum profile processing, and comprises a table plate and a protractor, and the front side of the top of the table plate is provided with a convex plate; a cross rod is connected to the rear side of the convex plate in an attached mode, an inclined rod is arranged on the cross rod, and the bottom of the cross rod and the bottom of the inclined rod make contact with the table plate; a rotating shaft is arranged at the circle center of the protractor through a bearing, an indicating rod is arranged on the rotating shaft, an extension rod is arranged at the bottom of the indicating rod and connected with the inclined rod in an attached mode, the indicating rod is taken with one hand, the protractor is taken with the other hand, the extension rod at the bottom of the indicating rod is attached to the inclined rod, and then the protractor moves towards the protruding plate along the inclined rod. When the front side of the protractor is in parallel contact with the convex plate, the protractor is parallel to the cross rod, and the extension rod on the indicating rod is in parallel contact with the inclined rod, so that the scale indicated on the indicating rod is the inclination angle of the inclined rod.

The utility model relates to engineering quality detection field discloses a perpendicularity detection device for engineering quality detection, including sliding plate, the inner wall sliding connection of sliding plate has the fixed plate, the inner wall screw thread connection of sliding plate has the bolt, the inner wall of fixed plate is provided with plumb bob, the inner side wall fixed connection of sliding plate has the locating plate, the inner wall sliding connection of fixed plate has the limit stop, the inner wall of fixed plate inserts the protractor, the inner wall fixed connection of sliding plate has the baffle, the inner wall of fixed plate is provided with the activity mechanism, the inner wall of protractor is provided with the dismantlement subassembly, the activity mechanism includes the rack no.

The utility model provides a hydraulic engineering building inclination testing frame which comprises a vertical plate, a protractor is installed on the lower portion of one side face of the vertical plate, a measuring rod is rotatably installed on the side, away from the vertical plate, of the protractor, the measuring rod is arranged in the radial direction of the protractor, and a movable rod parallel to the measuring rod is arranged on one side of the measuring rod. Two guide rods are installed on the face, facing the measuring rod, of the movable rod, two guide holes matched with the measuring rod are formed in one face of the measuring rod, the two guide rods penetrate through the two guide holes respectively, a threaded hole is formed in one face of the measuring rod, the threaded hole is communicated with one guide hole, and the threaded hole is communicated with the other guide hole. A positioning screw used for limiting the relative position of the guide rod and the measuring rod is in threaded connection with the interior of the threaded hole, and a level gauge is connected to the upper portion of one side face of the vertical plate in an inserted mode.

The utility model relates to the technical field of furniture design, and discloses a portable foldable protractor for furniture design, which comprises a left block, the outer side of the left block is respectively provided with a right block and a storage mechanism, the storage mechanism comprises a transparent observation plate, the inner wall of the left block is fixedly connected with a fixed shell, the inner wall of the fixed shell is fixedly connected with a clockwork spring, and the clockwork spring is fixedly connected with the right block. A first rotating shaft is fixedly connected to the outer surface of the clockwork spring, an isolation block is fixedly connected to the inner wall of the left block, a winding block is fixedly connected to the left end of the first rotating shaft, a winding shell is arranged in the left block, and the left end of the first rotating shaft sequentially penetrates through the isolation block and the winding shell and extends into the winding shell. According to the portable foldable protractor for furniture design, digits on the surface of a cloth roll in the left block are observed through the transparent observation plate, the angle of a measured object is determined through the digits, and the problems that when a designer goes out for measurement, the protractor is inconvenient to carry and store, the operation difficulty of the designer is increased, and the working efficiency is affected are solved.

The utility model belongs to the technical field of bridge detection, and particularly relates to a device for rapidly measuring the shearing angle of an in-use service bridge rubber support. The angle measuring device comprises a measuring frame, an angle measuring protractor and an angle measuring support rod, the measuring frame is a movable frame with a rotatable frame, and the angle measuring protractor is connected to the measuring frame; the two ends of the angle measurement supporting rod are rotationally connected to the measurement frame, and one end of the angle measurement supporting rod is located at the center point of the angle measurement protractor. The device is simple and convenient to operate and high in measurement precision. In the using process, reading errors caused by different observation angles are avoided. Due to the design of the measuring frame and the horizontal indication level bubble, the size of the bottom fixed measuring feeler lever and the size of the top movable measuring feeler lever can be designed according to the distance between an operator and a bridge pier and a bridge abutment top face support, and the operator can conveniently measure the shearing angle of the support in the limited space of a bridge in use.

The utility model relates to the technical field of side slope ratio measurement, and discloses a side slope ratio measuring device which comprises a measuring rod, a protractor and a pointing needle, the measuring rod comprises a main rod and an auxiliary rod, one end of the main rod is provided with a limiting bolt, the main rod is rotatably connected with the auxiliary rod through the limiting bolt, and the protractor is connected with the pointing needle. A fixing mechanism is arranged on one side of the main rod and used for fixing the relative angle between the main rod and the auxiliary rod, the protractor is fixedly connected to the middle of the main rod and arranged in the length direction of the main rod, and a screw set is arranged in the center of the protractor and used for fixing the protractor. Through the cooperative arrangement of the main rod, the protractor and the pointing needle, after the main rod is placed on the ground with the gradient, the pointing needle is perpendicular to the ground under the action of gravity, the gradient of the current ground can be obtained by checking the indication reading of the pointing needle on the protractor, the time required for measurement is shortened, and the construction efficiency is improved.

The utility model discloses an aero-engine directional solidification blade structure integrity auxiliary detection device, and belongs to the technical field of blade detection. The aero-engine directional solidification blade structure integrity auxiliary detection device comprises a blade profile mold and a lineation sample plate, the blade profile mold comprises a blade basin, a blade back and a blade root, an airflow channel is arranged in the blade basin, and the lineation sample plate is fixedly attached to the blade basin, the blade back and the blade root. In order to solve the problems that a geometric included angle between a grain boundary and a Z axis is difficult to accurately calculate under a visual condition, an inspector usually judges according to subjective experience, and mass escape is possibly caused, after a plurality of lineation sample plates are fixed, scribed lines parallel to the Z axis are marked near the position where the grain boundary included angle needs to be measured, and finally, a protractor is used for measuring the grain boundary included angle. And measuring the grain boundary of which the included angle needs to be measured, reading the numerical value alpha of the included angle of the grain boundary according to the scribed line of the protractor, and recording the numerical value alpha, wherein the scribed line parallel to the Z axis corresponds to the zero position of the protractor.

The invention provides a vertical rotating meter clamping table device and a water meter detection method. The vertical rotating meter clamping table device comprises a supporting frame, an index plate, a rotating shaft, a rotating frame plate, an angle limiting mechanism and a water meter clamping assembly. The index plate and the rotating shaft are matched to provide a reference for rotation of the rotating frame plate, and the angle limiting mechanism can realize multi-gear angle positioning of the rotating frame plate to meet simulation requirements of different mounting angles; the rotating frame plate is installed on the rotating shaft through the bearing assembly, so that the angle adjusting process is smoother, and operation resistance is reduced. The water meter clamping assembly is matched with the pressing air cylinder to achieve rapid clamping and loosening of the water meter, the left guide rod and the right guide rod guarantee the stability of the upper pressing plate in the lifting process, and it is guaranteed that a water conveying pipeline is sealed reliably. The mounting angle of the water meter can be quickly adjusted and stably fixed, the operation time of angle adjustment is greatly shortened, the water meter detection efficiency is effectively improved, meanwhile, the pipeline sealing performance in the detection process is guaranteed, and the situation that the accuracy of detection data is affected by water leakage is avoided.

The utility model discloses a binding device for measuring a joint movement angle, which comprises a first clamping plate, a second clamping plate, a third clamping plate and a fourth clamping plate, the first clamping plate is connected with the second clamping plate through a measuring component, the third clamping plate is connected with the fourth clamping plate through a force applying component, and a joint binding area is formed between the measuring component and the force applying component; the measuring assembly comprises a fixed disc fixedly connected to one side of the second clamping plate, a first rotating shaft rotationally connected to one side of the fixed disc, a pointer fixedly connected to the outer side of the first rotating shaft and a dial arranged on one side of the fixed disc, and the first clamping plate is fixedly connected to the outer side of the first rotating shaft; the force application assembly comprises a second rotating shaft rotationally connected to one side of the fourth clamping plate. Through the structure, the force application assembly arranged on one side of the joint can help a detected person to apply force so that the joint can be passively bent, the detection assembly arranged on the other side of the joint is used for cooperatively detecting the movement angle of the joint, operation is easy, and compared with traditional simple protractor measurement, the measurement result is more accurate.

This utility model relates to the field of measuring ruler technology and discloses an adjustable-angle engineering cost drawing measuring device, including a protractor and a rotating shaft fixed to one side of the protractor surface. An observation point is set at one end of the rotating shaft, which is the center point for drawing arcs. A support foot is fixed to one side of the protractor surface, and a counterweight is fixed to one side of the support foot surface. When measuring engineering cost drawings, this utility model can measure angles under the action of the protractor and measure dimensions under the action of the ruler. Since the ratio of the first measuring surface and the second measuring surface is different, it is suitable for measurement work of different ratios. When drawing arcs, the rotating shaft can provide the center of the arc, and the protractor and the ruler can provide the radius data for the arc. Then, with the cooperation of drawing tools and drawing mechanism, the corresponding arc can be drawn, improving the practicality of this device.

The invention relates to the technical field of medical instruments, in particular to a surgical three-dimensional angle measuring instrument which comprises a measuring unit and a functional unit. The measuring unit comprises a semicircular protractor, a fixed shaft is fixedly mounted at the circle center of the semicircular protractor, and the fixed shaft is rotatably sleeved with a semi-ring protractor; the functional unit comprises a damping pad which is arranged between the semi-ring type protractor and the fixed shaft in a sliding manner; an adjusting assembly is arranged on the fixing shaft. Compared with the prior art, the semi-circular protractor and the semi-ring protractor are combined to measure a three-dimensional angle, the semi-ring protractor can be quickly rotated to a roughly required angle by arranging the coarse adjustment ring and the fine adjustment knob, and more accurate angle adjustment is realized by rotating the fine adjustment knob, so that the measurement accuracy is improved, and the measurement precision is improved. A powerful guarantee is provided for high-precision angle measurement, it is ensured that the measurement result corresponds to the measurement axis of the protractor through concentric clamping and a positioning line, and errors caused by deviation are avoided.