106results about How to "Improve measurement productivity" patented technology

A surface-profile measuring instrument includes a movement-estimating unit (600) that estimates an movement state of a drive mechanism in accordance with a scanning vector command issued by a scanning vector commanding unit (220) to calculate an estimated movement state quantity, and a correction calculating unit (700) that corrects a detection value of a drive sensor in accordance with the estimated movement state quantity calculated by the movement estimating unit (600).

The movement-estimating unit (600) has a nominal model setting unit (311) in which a nominal model as a frequency transfer characteristics from the scanning vector commanding unit to the probe of the scanning probe is set. The correction-calculating unit (700) includes a correction-amount calculating unit (720) that calculates a correction amount for correcting a measurement error generated by a deformation of the drive mechanism in accordance with the movement thereof and a measurement data synthesizing unit (430) that synthesizes the detection value of the drive sensor and the displacement sensor and the calculated correction-amount calculated by the correction-amount calculating unit (720).

The invention belongs to the technical field of mine production management, and particularly relates to an open-pit mine mining and stripping quantity calculating method utilizing plane image aerial-photographing. The method includes utilizing plane image aerial-photographing technology; performing plane flight path planning and designing according to geographic conditions of an open-pit mine; checking a digital camera carried by a plane; controlling the digital camera for aerial photographing and image acquiring and storing at the same time; recording plane position and posture information provided during photographing; building an open-pit mine earth surface three-dimensional point cloud model. The open-pit mine earth surface three-dimensional point cloud model can be built without adopting a bundle adjustment method of control points, an open-pit mine earth surface irregular triangular net model is built, mining quantity and rock discharging quantity are automatically measured and recorded, accumulated volume values of the open-pit mine earth surface triangular net model at different times are subtracted to accurately calculate earth-rock quantity of an excavating or backfilling body, calculating of open-pit mine mining and stripping quantity is realized, open-pit mine measuring work efficiency is improved, and statistical accuracy of mining and stripping quantity is improved.

In a surface shape measurement device that measures the surface shape of a sample (W1, W2) by moving a probe (16, 26) in a sliding fashion along the surface of the sample (W1, W2) and thereby detecting the amount of displacement of the probe (16, 26) caused by irregularities on the surface, an initial amount of displacement is detected which is the amount of displacement of the probe (16, 26) when the probe is first placed in contact with a measurement start point on the surface of the sample (W1, W2), and the amount of displacement of the probe (16, 26), detected as it is moved in a sliding fashion along the surface, is compared with the initial amount of displacement to determine whether the probe (16, 26) has reached a measurement end point.

The invention relates to a shafting hot alignment device and a shafting hot alignment method. Horizontal and vertical eddy current sensors are disposed at shafting bearing positions or alignment required positions of a unit around a journal. The horizontal and vertical eddy current sensors are used to measure shafting lateral clearance and vertical clearance respectively. Reflecting paper is adhered to a shaft at the alignment required position, and a revolution speed sensor corresponds to the reflecting paper is used for keyway-phase angle marking. Lateral clearance and vertical clearance value signals of the shafting of the eddy current sensor acquisition unit are processed by an alternating current blocking circuit and a signal attenuation circuit and are then transmitted into an ADC (analog to digital converter) and converted into digital signals, and the digital signals are transmitted to a rear-end ARM (advanced RISC machines) master control chip. When the shafting of the revolution speed sensor acquisition unit rotates to the reflecting paper, a signal of instant phase marking angle value is output, a square signal is output to the ARM master control chip, the signals are subjected to difference calculation by the ARM master control chip through hot alignment software, and data signal of shafting position compensation value required by hot alignment is output to a data output device.

The invention discloses a method for measuring the cavity depth or the end surface gap of mechanical products and a measuring device thereof. The measuring method comprises the following steps: fixing a product to be measured; determining a contrastive datum plane; building a contrastive reference surface; creating contrastive reference data; arranging a plane disk sheet between an electronic probe and an end surface to be measured; clinging the bottom surface of the plane disk sheet to the end surface of the product; acquiring a measured data signal by the electronic probe; calculating the contrastive reference data of the contrastive reference surface in a microcomputer; and displaying the measuring result on a display screen. The measuring device mainly comprises a working table, a workpiece clamping seat, a vertical ledge, an electrical control mechanism and a measuring component; and the measuring component which comprises a position block and the electronic probe is arranged at the top of the workpiece clamping seat. The invention has the advantages that the measuring result for the first time is very close to the minimum value; the measuring data is accurate; and the measuring efficiency is high.

The invention relates to a cloud layer height measurement system based on an aircraft. The cloud layer height measurement system comprises an air measuring device and a ground control device. The air measuring device comprises the aircraft, a first control module, a location module, an airborne communication module and an image shooting device, wherein the first control module, the location module, the airborne communication module and the image shooting device are arranged on the aircraft, the image shooting device is perpendicularly arranged on the surface of the aircraft upwards in the shooting direction, the ground control module comprises a second control module, a ground communication module and an information output device, and the ground communication module and the information output device are connected with the second control module. The invention meanwhile relates to a cloud layer height measurement method. By means of the cloud layer height measurement system and the cloud layer height measurement device based on the aircraft, the cloud top height or the cloud base height can be flexibly and accurately measured according to measurement requirements, and the measurement work efficiency is effectively improved.

The invention relates to a bilateral multi-plane inclined wave surface interferometer. The system comprises a light source module, a first interferometer host, a second interferometer host, a double-sided standard flat plate, a double-sided standard flat plate adjusting frame, a measured non-transparent flat plate element, a single-point thickness measuring sensor and a control processing unit, wherein the first interferometer host and the second interferometer host are both multi-plane inclined wave surface interferometers. The interferometer is advantaged in that parallel measurement light in multiple directions is emitted through a point source array generator to measure the bilateral morphology and thickness of the measured non-transparent flat plate element, and the interferometer hasadvantages of being large in measurement dynamic range, high in measurement precision and efficiency, flexible in phase shift mode and capable of achieving in-situ calibration of system errors.

The invention discloses an onboard measuring working cabin which can improve operation environment, improves seacoast measuring efficiency and quality, and is convenient to carry and assemble. The onboard measuring working cabin comprises four support pillars, four cross beams and three stock frames, wherein the four cross beams are respectively connected with the upper ends of the adjacent support pillars horizontally through clamping locks, the three stock frames are respectively connected with the lower ends of the adjacent support pillars horizontally through clamping locks, the upper ends of the four support pillars are all provided with first connecting pieces. The onboard measuring working cabin further comprises second connecting pieces matched with the first connecting pieces. Steel wire ropes are connected with the second connecting pieces. The other ends of the steel wire ropes are connected with clamping sleeves with groove-shaped sections and downwards groove openings. Two side faces of each clamping sleeves are provided with top threads. The onboard measuring working cabin further comprises upper blocking plate capable of being connected between the four cross beams, side blocking curtains capable of being connected between the cross beams and the stock frames, and table panels capable of being placed on the stock frames.

The invention discloses a measuring route planning method for a coordinate measuring machine and is used for the optimum measuring route planning of a complex geometrical plane. The method comprises the steps of identifying geometrical information; reading edges of a to-be-measured plane; identifying concave-convex characteristics in the to-be-measured plane; determining the number and locations of measuring points; computing a result of dividing the number of vertexes by the number of the measuring points, thereby obtaining a quotient value and a remainder value; drawing arcs in the plane bytaking the vertexes as circle centers, wherein intersection points of angle bisectors of vertex angles at which the vertexes are located and the arcs are the locations of the measurement points; generating a measuring route; identifying obstacle avoidance points; and finally determining the measuring route. According to the method, the measuring points can be rapidly marked according to geometrical parameters of the to-be-measured plane and the optimum measuring path is determined according to distribution of the measuring points, so the measuring route of the coordinate measuring machine is enabled to be the shortest and have least measuring time and highest measuring precision, working efficiency and precision are improved, the obtained measuring points are effectively prevented from being located at the exterior of a measuring plane in a route planning process, and the measuring points are enabled to be uniformly distributed in the measuring plane.

The invention discloses a measuring instrument foot stool capable of automatically ascending, descending and leveling. The measuring instrument foot stool comprises a work platform (1) and three supporting frames (4) used for supporting the work platform (1), and the supporting frames (4) are connected with the work platform (1) through connection blocks (9). Each supporting frame (4) comprises a screw rod (2), a supporting rod (6), a guide rod (8), a movable block (7) and a direct-current motor (3), wherein three round holes I (7.1) are formed in the movable block (7); the upper end of the screw rod (2) is connected with the corresponding connection block (9), and the lower end of the screw rod (2) penetrates through the round holes I (7.1) to be connected with the direct-current motor (3); the upper end of the guide rod (8) is connected with the corresponding connection block (9), and the lower end of the guide rod (8) is movably connected with the round holes I (7.1); the screw rod (2) is parallel to the guide rod (8). The measuring instrument foot stool can shorten leveling and centering time and improve measurement work efficiency, are easier and more convenient to operate, and can be easily operated by a green hand.

The invention provides a frictional power generation measurement system based on Labview, and an analysis method of the frictional power generation measurement system, and belongs to the technical field of electronic measurement. The system comprises a frictional power generation device, a data collection card, and an upper computer. A Labview analysis part comprises a man-machine interface program module, a collection control and measurement module, a module filtering module, a waveform analysis module, and a data post-processing module. The method comprises the following steps: enabling a data collection card to be connected with the frictional power generation device and the upper computer; selecting a port occupied by the data collection card and a collection channel occupied by the frictional power generation device on the data collection card through the upper computer after the connection is completed; controlling a frictional power generator to generate a periodic friction phenomenon through a motor drive module; and enabling the upper computer to receive the frictional electric signal data collected by the data collection card. The system can achieve the real-time detection and processing and analysis of the electrical information of a detected frictional power generation device, such as voltage and current.

The invention discloses a non-leveling free station establishment method based on an improved Bursa model. The method comprises the steps that rearview points on a route are manually aimed at on an initial station establishment point, the improved Bursa model is adopted to calculate coordinates of a current station establishment point, odometer measurement information is utilized to calculate mileage from the current station establishment point to a next station establishment point, then three-dimensional coordinates of the current station establishment point are calculated, the distance, horizontal angle and vertical angle between the current station establishment point and each rearview point are calculated, and the steps are circulated till measurement of the route is completed. According to the method, after the rearview points are aimed at on the initial station establishment point, the three-dimensional coordinates of the current station establishment point and the distance, horizontal angle and vertical angle between the current station establishment point and each rearview point are calculated through the mileage from the current station establishment point, designed over-height, a longitudinal slope and other information by the adoption of the improved Bursa model, therefore, automatic measurement without the need for aiming at a measuring point on a subsequent stationestablishment point is realized, the workload of measurement is reduced, the working efficiency of measurement is improved, and the safety risk is lowered.

The invention discloses a ship body measurement auxiliary tool and a measurement method. The ship body measurement auxiliary tool comprises a retractable supporting rod assembly; the supporting rod assembly comprises a first supporting rod and a second supporting rod which are connected; the first supporting rod is provided with a first reflection sheet and a second reflection sheet, which are arranged at interval along the length direction; the first reflection sheet and the second reflection sheet are located on the same side of the first supporting rod and are located on the same horizontal plane; the first reflection sheet is provided with a first monitoring point; the second reflection sheet is provided with a second monitoring point; the second supporting rod is provided with an abutting point for being abutted against a target point to be detected; and a connection line of the first monitoring point, the second monitoring point and the abutting point is a straight line. The target point to be detected, which cannot be directly measured by a total station, can be accurately measured by adopting the ship body measurement auxiliary tool to assist the total station, and a whole measurement process can be finished by erecting the total station for one time; and compared with the prior art, the measurement working efficiency and the measurement precision are improved.

The invention discloses a liquid level measuring ruler and a liquid level calibration method using the same. The liquid level measuring ruler comprises a steel flexible ruler, a ruler weight, a steel flexible ruler control device and a man-machine interaction device. Measuring personnel and the steel flexible ruler control device can control the ruler discharging speed in time, and meanwhile the problem that liquid level measurement data is inaccurate due the factors of foundation settlement at the bottom of a container, container deformation, accumulation of sediment at the bottom of the container and the like can be solved. The liquid level calibration method is a fixed liquid level meter calibration method based on the liquid measuring ruler and comprises the steps that under different liquid levels of the same container, a fixed liquid level meter and the liquid level measuring ruler are used for measuring the liquid levels of the container two times, errors are calculated with an error formula, the reference height of the container does not need to be obtained in advance, the influence of inaccurate reference height on a measurement result is eliminated, the purpose of calibrating the fixed liquid level meter is achieved, and the efficiency of the measuring work is greatly improved.

The invention discloses an industrial robot space pose precision test system, and belongs to the technical field of industrial robots. The industrial robot space pose precision test system comprises a pose measurement cube assembly, a measurement target, a power supply module, a visual sensor and an operation table. The measurement cube assembly is fixed to the front face of a robot measurement area through bolts. The measurement target is fixed in an X-shaped groove in the surface of a pose measurement cube through a screw, the X-shaped groove is located in the front surface of the pose measurement cube assembly, the total length of the X-shaped groove is 1000 mm, and the requirements of different robot working spaces are met. The power supply module is fixed to the bottom of a base through screws and can supply power to the five measurement targets at the same time; and the visual sensor is fixed to the tail end of a robot and connected with the operation table through a communication cable. The industrial robot space pose precision test system is specially used for testing the space pose precision of the industrial robot, and is convenient to use, high in measurement working efficiency, high in precision and low in cost.

The invention relates to an automobile front longitudinal beam detection table which comprises a detection tool vehicle, a workbench fixed to the detection tool vehicle and a detection assembly, the detection assembly is detachably fixed to the face, away from the detection tool vehicle, of the workbench, and the detection assembly comprises a simulation block used for installing an automobile front longitudinal beam, a plurality of supporting bases and a positioning module. The positioning module comprises a base and a limiting plate, one end of the limiting plate is rotationally connected tothe base, the other end of the limiting plate is detachably fixed to the base, and a fixing rod is arranged on the limiting plate. A plurality of mounting bases are fixedly connected below the simulation block, positioning pins are elastically arranged in the mounting bases in a sliding mode, one end of the head of each positioning pin is spherical, and the end, away from the head, of each positioning pin penetrates through the corresponding mounting base and the simulation block to be inserted into an assembling hole of the front longitudinal beam. According to the invention, the positioningpins are arranged below the assembly holes, and the matched positioning pins do not need to be found and inserted into the assembly holes when the front longitudinal beam is installed so that the time for installing the front longitudinal beam is saved, and the working efficiency of detection and measurement is improved.