97results about "Measuring circumference" patented technology

The disclosure relates to agricultural systems. The systems have stalk sensor assemblies and / or data visualization systems. The stalk sensor assemblies are configured for assessing the size and other characteristics about crops, such as corn and other grains entering an agricultural implement, such as a harvester. The stalk sensor assemblies may use an estimation of the stalk perimeter to establish stalk size and therefore further features about the crop. The visualization system utilizes data from the stalk sensor assemblies to calculate and display relevant information about the crop.

Provided is a method of measuring a gear wherein the movement range of a stylus is reduced during a measurement by reducing the distance of movement of the stylus in order to downsize a machine. A method for measuring the profile of a gear by performing a synchronizing control on the movement of a stylus and the rotation of a work, and by moving the stylus linearly in a state where the stylus is kept in contact with the right tooth flank or left tooth flank according to the rotation of the work, wherein a tangent touching a contact point which is located after rotation of a predetermined rotation angle a in one direction from a contact point on the base circle of the work, and a tangent touching a contact point which is located after rotation of a predetermined rotation angle a in the opposite direction from a contact point on the base circle of the work are set, the stylus is moved along a tangent when the right tooth flank is measured and moved along another tangent when the left tooth flank is measured, and the intersection of two tangents is set at the middle point between the measurement start position and the measurement end position.

The invention provides a fish growth data measurement device based on machine vision, and the device comprises a tray, an input apparatus, a weighing sensor, a controller and a camera. The weighing sensor is mounted on the tray, and the camera is arranged corresponding to the tray and the scale of the tray. The input device, the camera, and the weighing sensor are connected with the controller, and the controller sends a received shooting instruction to the camera, calculates the body length, the body width, the body circumference and the body area of a fish according to a fish body image anda scale image, sends the received weighing instruction to the weighing sensor, and receives the body weight of the fish. The camera captures the images of the fish body on the tray and the scale of the tray according to the shooting instruction, and obtains the fish body image and the scale image and then sends the images to the controller. The weighing sensor weighs the fish body according to theweighing instruction, obtains the weight of the fish body and sends the weight of the fish body to the controller. The device based on the machine vision measures the data of the fish body, is smallin time consumption, is small in fish body pressure, is small in damage risk, is small in impact on the feeding rate, and is accurate in measurement.

The present invention comprises an inspection method for transparent or reflective inspection objects, by using a retroreflective plate as a convex lens or concave mirror in such a way that defects can be detected in a stable fashion even if the inspection object is curved or if vibration occurs during movement of the inspection object; in which displacement of parallel light passing through or reflected in a measurement field is captured by using changes which occur in an inspection field, namely changes in the density gradient in the case of transmission inspection or in the reflection angle in the case of reflection inspection.; The present invention also comprises an inspection device for defect inspection, in which a knife edge is provided, horizontally to the optical axis, on the front surface of a camera lens for collecting the transmitted light or reflected light, in such a way that three-dimensional defect images can be obtained since any light which diverges from the parallel light is blocked with consequent changes in the contrast of the light due to the density gradient in the inspection field at the camera.

A wireless communication tag apparatus including a girth measurement device and a wireless communication tag method are disclosed. The wireless communication tag apparatus and method measures a girth of a tree using an unwound length of a tape wound around a trunk of the tree according to growth of the tree, and transmits the girth to a wireless communication reader.

An object of the present invention is to provide a gear measurement method which makes it possible to reduce the size of a machine by reducing the amount of travel of a probe and thus reducing a moving range of the probe in a measurement. To achieve the object, a gear measurement method for measuring the tooth profile of a workpiece (W) by linearly moving a probe (16a) in accordance with the rotation of the workpiece (W), with the probe (16a) in contact with a right tooth face (WR) or a left tooth face (WL) of the workpiece (W), by synchronous control of the movement of the probe (16a) and the rotation of the workpiece (W), includes setting a tangent line (L) touching the tangent point (A) rotated from a tangent point (Ao) on the base circle (Wb) of the workpiece (W) in one direction by a predetermined rotation angle (α) and a tangent line (L′) touching the tangent point (A′) positioned by being rotated from the tangent point (Ao) on the base circle (Wb) of the workpiece (W) in the other direction by the predetermined rotation angle (α), moving the probe (16a) along the tangent line (L) when measuring the right tooth face (WR), moving the probe (16a) along the tangent line (L′) when measuring the left tooth face (WL), and setting the respective midpoints of the segments connecting the measurement start points (B, B′) to the measurement end points (C, C′) at the intersection point (M) of the tangent lines (L, L′).

This invention relates to a forest monitoring system and method. Monitoring is performed continuously and remotely and evaluates factors such as growth and health, as well as climate and environment variables in forests, wooded surfaces or thus identified surfaces, using wireless data transfer.

An inner circumferential length measurement method includes the steps of: disposing a two-dimensional sensor at a predetermined measurement position on an inner side of the circular member placed flat in an unrestrained state on a support so that the two-dimensional sensor faces an inner circumferential surface of the circular member in a non-contact state; rotating the two-dimensional sensor about rotation shaft at a predetermined position on the inner side of the circular member; measuring a separation distance from the two-dimensional sensor to the inner circumferential surface around an entire circumference of the circular member; and calculating an inner circumferential length of the circular member via a calculation unit using the separation distance measured and a distance from the rotation shaft to the two-dimensional sensor in a plan view.

The invention belongs to the technical field of animal feeding, specifically a livestock cannon circumference measuring instrument. The instrument is mainly characterized in that a hinge part of a clamp-shaped lengthened handle with the head of a semilunar clamp is slidingly provided with a horizontal circular pipe; the front mouth of the horizontal circular pipe is provided with a mesoporous blocking piece; a casing pipe is disposed outside a part, extending outwards, of the horizontal circular pipe; a push-pull bolt connected with the rear end of the circular pipe is disposed in a long-hole opening of the casing pipe; a clamp jaw is connected with two rope heads, and the two rope heads are closed to pass through the mesoporous blocking piece; and the tail ends of the closed rope heads are connected with an equivalent value calibrated scale. Compared with the prior art, the instrument is reasonable in design, does not need auxiliary measures, and can achieve the measurement of livestock cannon circumferences safely, accurately, quickly and conveniently.

The present disclosure is directed towards a device, method of using a device, and a method of making a device for predicting the nutritional status in an individual of any age or weight. The device includes one or more strips for measuring the circumference of a body part of an individual. The method includes taking the girth measurement and reading a standard score from the device to estimate the nutritional status of the individual.

The invention relates to an ultra-low power consumption portable length data measuring method, system and device. The ultra-low power consumption portable length data measuring method comprises the following steps: in step S10, a sensing unit formed by one or more of an acceleration sensor, a gyroscope and a geomagnetic sensor is arranged at an axis center part of a reel, and the sensing unit is used for sensing the number of deflection turns and a deflection angle so as to obtain a total deflection angle; in step S20, according to a pre-stored corresponding relation between the total deflection angle and length, length represented by the detected total deflection angle of the reel is calculated; in step S30, information of the calculated length is output. Via implementation of the ultra-low power consumption portable length data measuring method, system and device disclosed in the technical solution, length and diameter change of objects can be continuously monitored, and gaps in current markets can be filled.

The drill bit and stabilizer gauge is a flexible, elongate strip that is wrapped about the circumference of a drill bit or drill bit stabilizer to measure the diameter. The strip has a rectangular tab at one end with a slot defined therein so that the opposite end of the strip can be inserted through the slot after being wrapped around the drill bit or stabilizer. A zero pointer is stamped on the tab adjacent the slot to ensure accurate measurement. A scale is imprinted on the strip with markings at each interval of π times the dimensional unit and fractions thereof for reading the diameter directly. The gauge is made from spring steel, a thermoplastic material, or other suitable, inextensible, flexible material which has sufficient elasticity, but also sufficient stiffness, that the strip may be bent into a loop retaining a nearly perfect circular form.

The invention provides a 2D-3D non-contact type human body measurement method for old people, and the method comprises the steps: selecting three-dimensional non-contact type and contact type human body measurement experiment samples, so as to obtain sufficient and comprehensive measurement data; obtaining the size of a feature part based on the experimental sample; carrying out principal component analysis on the size of the feature part to determine a body type classification standard of the elderly; measuring the length and circumference of the main part of the human body based on the bodytype classification standard to obtain a contour curve function and a section curve function; and based on the obtained contour curve function and section curve function, deducing and establishing a 2D-3D size conversion formula, and calculating to obtain size data of each part of the human body of the old people. The body type classification standard suitable for the old people can be expanded, and the 2D-3D non-contact human body measurement method for the old people has the advantages that the cost is low, the operation is simple and convenient, the precision can meet related industrial production requirements, and the method is suitable for market popularization and internet propagation.

A method for making beaded jewelry is provided. The method utilizes a megaphone shaped device having a small diameter first end and a larger diameter second end. The circumference of the first end is that of one part of the human body, such as a child's wrist. The circumference of the second end is the size of another part of the human body, such as an adult ankle. Markings on the girth of the device sequentially graduate in circumference and define graduated bracelet, anklet and other jewelry sizes. When one is making a bracelet or other article of jewelry of strung beads, the diameter of the beads affects the finished length of the article. Use of the device takes into account the diameters of the beads and thereby ensures that the finished item of beaded jewelry will fit the intended wearer.

A device for measuring a dimension includes: an electronic tape measure including: a portable casing including an opening having a Y axis; a winder in the casing having an X axis; a tape passing through the casing opening and including an end fixed on the winder and a free end outside the casing; a module for measuring a measurement relating to said outer section; a trigger for generating a signal by the trigger activation; and an interpretation module for controlling inputting of the measurement when the trigger signal is received, in which device the free end of the outer section includes a fastener, and the casing includes a fastening region allowing the fastener to be fixed, the length of the surface of the casing that extends between the fastening region and the opening of the casing being less than 4 cm.

The invention relates to the technical field of pipeline detection, in particular to a roundness detection device for a formed bamboo winding pipe gallery, which comprises a supporting seat, telescopic cylinders, a lifting plate, a limiting part and a detection part, and is characterized in that the two telescopic cylinders are arranged at the upper end of the supporting seat in a bilateral symmetry manner, the tops of the two telescopic cylinders are jointly connected with the lifting plate, and the limiting part is arranged on the lifting plate; a detection part is mounted between the lifting plate and the supporting seat; an existing detector has the following problems that the detection length of the detector is limited, the roundness of the deeper position of the inner side wall of a pipeline cannot be detected, only the inner wall of the pipeline can be detected, the detector cannot detect the pipeline at a time, and the detection efficiency is low; rotary roundness detection can be performed on the inner and outer side walls of the pipe gallery at the same time, so that roundness detection on the circumferential surfaces of any positions of the inner and outer side walls of the pipe gallery can be completed at a time, the detection efficiency can be improved, and the operation steps can be reduced.

The invention discloses a forestry measuring device which comprises a bottom plate, a sleeve is fixedly connected to the upper portion of the bottom plate, a threaded rod is sleeved with the sleeve, a disc is fixedly connected to the inner cavity wall of the sleeve, a worm gear is in threaded connection with the exterior of the threaded rod, a worm is engaged with the exterior of the worm gear, and a mounting frame is fixedly connected to the rear portion of the sleeve. The worm is rotatably connected with the inner cavity wall of a mounting frame, the upper portion of the threaded rod is fixedly connected with a limiting plate, the end, away from the rotating shaft, of a measuring tape penetrates through the end, provided with the cavity wall, of a containing frame and is fixedly connected with a tape hook, and the outer portion of the rotating shaft is fixedly connected with a ratchet wheel. A sliding shaft is slidably connected to the upper part of the containing frame in a penetrating manner; The lower part of the sliding shaft is rotatably connected with a pawl. The invention relates to the technical field of forestry measurement. The forestry measuring device solves the problem that a measuring tape of an existing forestry measuring device is easy to rebound when being stretched, and a tree with a large diameter is inconvenient to measure during measurement by a single person.

The invention discloses a high-precision gauge for measuring the length of a gear ring. The high-precision gauge comprises a work bench. A mounting block is fixedly connected with the upper r end of the work bench; and a working cavity is formed in the mounting block. A rotating rod groove is formed in the center of the upper cavity wall of the working cavity along a vertical direction; a rotatingrod is installed in the rotating rod groove; and one end, close to the working cavity, of the rotating rod extends into the working cavity. A bearing base is fixedly installed at the bottom of the working cavity. One end, close to the work bench, of the rotating rod is fixedly connected with the inner ring of the bearing base; and a gear wheel is fixedly installed on the rod wall of the rotatingrod in the working cavity. The high-precision gauge is operated conveniently. The gear ring can be fixed on the work bench rapidly and thus the length of the gear ring is measured conveniently, so that a phenomenon that the precision of the value of the gear ring is affected is avoided; the inner ring radius of the gear ring is measured while the gear ring is fixed, so that the gear ring measuringtime is saved and the work efficiency is improved.

The invention discloses a perimeter measuring scale and a measuring method thereof. A jaw is composed of two hook-shaped claws. A wire passes through a hook-shaped claw. One end of the wire is connected with the head of other hook-shaped claw. A jaw shaft is connected with a calibrated scale capable of rotating about the jaw shaft. The other end of the jaw shaft is provided with a square box in which a shaft is disposed. The perimeter measuring scale has simple structure and ingenious design, can be used for irregular cylinders, is small and light, can be operated by a single hand, may read out measurement results immediately, reduces the operator's labor burden, and improves labor efficiency. A field experiment production yield project no longer avoids the original relatively-difficult perimeter measurement of an irregular stem. The length of a flexible wire around the stem is the perimeter of the stem and is the moving distance of a pointer within the calibrated scale, and the moving distance can be immediately read out.

A headwear-size measuring apparatus measures a size of a headwear, an elastic band, or the like and also measures a pressure applied to a wearer's head on wearing the headwear. The headwear-size measuring apparatus includes: a controller; a driving source controlled by the controller; an object extending unit having a diameter size controlled by an operation of the driving source; a pressure measuring unit for measuring an applied pressure of an object and provided at the object extending unit and transmitting the measured value to the controller; an input unit for receiving an established value and transmitting the received value to the controller; a standard data base connected to the controller such that data are transmitted to the controller and storing standard-object sizes and ranges of appropriate pressure applied to a head corresponding to the object sizes; and an output unit for displaying data processed by the controller.

The present invention discloses a gear inspection apparatus and a gear inspection method using the same. The gear inspection apparatus includes: a measurement unit which has a probe installed to be movable forward and rearward relative to a work gear rotatably mounted on a frame, and measures a dimension of the work gear, which rotates, by a measurement ball provided at a tip of the probe; a driveunit which is installed on the frame so as to be connected to the measurement unit and moves the probe forward and rearward; and a controller which receives a displacement measurement value related to a position of the probe which is measured by the measurement unit, and converts the displacement measurement value into a digital value.

A headwear-size measuring apparatus measures a size of a headwear, an elastic band, or the like and also measures a pressure applied to a wearer's head on wearing the headwear. The headwear-size measuring apparatus includes: a controller; a driving source controlled by the controller; an object extending unit having a diameter size controlled by an operation of the driving source; a pressure measuring unit for measuring an applied pressure of an object and provided at the object extending unit and transmitting the measured value to the controller; an input unit for receiving an established value and transmitting the received value to the controller; a standard data base connected to the controller such that data are transmitted to the controller and storing standard-object sizes and ranges of appropriate pressure applied to a head corresponding to the object sizes; and an output unit for displaying data processed by the controller.

The invention provides a portable tree diameter at breast height measuring device. The portable tree diameter at breast height measuring device is integrally positioned at a specific height away fromthe ground and a specific distance away from a to-be-measured tree through a main body frame. Therefore, a measurer can remotely and automatically measure the diameter at breast height of a tree to bemeasured by operating the corresponding control mechanism on the handle. Long-distance automatic measurement of the tree can be conveniently realized under the condition that a measurer difficultly touches the tree in the field; and the device is light in weight and small in size, can be conveniently carried to a field environment for measurement anytime and anywhere, and adopts a polyester material with good toughness to perform automatic telescopic surrounding measurement on the tree, so that the automation degree, the efficiency and the accuracy of tree diameter at breast height measurement are improved to the maximum extent.