34results about How to "The measurement went well" patented technology

The invention discloses an automatic length measuring device for sleeve parts, comprising a clamping mechanism, a positioning mechanism and a measuring mechanism. The automatically sleeve-type part length measuring device is applicable to an automatic flow production line of sleeve-type parts, effective in automatic on-line detection and easy to produce and functions in improving automation of the sleeve-type part length measurement, leading to no manual measuring errors and reliable and stable measuring result, and accordingly measuring efficiency is greatly improved; a non-contact sensor serves as a length measuring apparatus to rapidly and stably measure, without abrasion; a cylinder is matched with a dovetail slot guide rail, leading to high linear movement precision, thus coaxiality of an induction magnetic ring and an induction rod is maintained within a reasonable range, and measurement is smoothly performed with high precision.

The invention discloses a multiresolution large visual field angle high precision photogrammetry apparatus, which comprises: a dimensional visual sense system that at least comprises two large visual field cameras, wherein, an intersection of visual fields covers a detected area, and the two large visual field cameras are used for measuring low precision three dimensional positions of targets of the detected object in the detected area; multiple small visual field cameras, wherein, union of the visual fields covers the detected area, small visual field cameras are used for imaging the detected object; a data processing part, which connects to a three-dimensional visual sense system and multiple small visual field cameras, is used for determining which visual field of the small visual field cameras the detected object is located in, according to the low precision three dimensional positions of the detected object measured by the dimensional visual sense system, further determining a high precision three dimensional position of the detected object according to image positions of the detected object in these small visual field cameras.

The invention discloses a flow-equalizing self-stabilization air quantity measuring device, relates to an air quantity measuring device, and aims to solve problems of high fluctuation of measurement results, poor stability and inaccurate measured data of a measuring device due to the fact that an existing pulverizing system of a boiler is compact in arrangement, mounting space for an inlet of a coal mill is narrow, the measuring device is mounted difficultly and the air quantity of the inlet of the coal mill is uneven and unstable. A first ventilating duct, an air flow equalizer and a second ventilating duct of the flow-equalizing self-stabilization air quantity measuring device are linearly arranged and are sequentially communicated with one another, a plurality of spacers are fixedly connected into a flow equalizing area, a through hole is machined on a side wall of a testing area of the air flow equalizer, a speed testing tube penetrates through the through hole, portions of a tube body of the speed testing tube positioned outside the side wall of the testing area are respectively communicated with two differential pressure tubes and two cleaning air tubes, the speed testing tube is provided with a plurality of air inlet holes positioned on the side wall of the tube body in the testing area, a temperature transmitter is arranged inside the air flow equalizer, and a pressure transmitter is perpendicularly mounted on the outer side wall of the air flow equalizer. The flow-equalizing self-stabilization air quantity measuring device is used for measuring air quantities of inlets of coal mills.

The invention discloses a vehicle hub comprehensive measuring instrument, and belongs to the technical field of vehicle hub metering detection. When the hub is installed on the vehicle, the end face,close to the vehicle, of the hub is a bottom surface, and the end face, facing the exterior of the vehicle, of the hub is a top surface. The vehicle hub comprehensive measuring instrument comprises arack, an electric cabinet is arranged at the bottom in the rack, a base is arranged at the top of the electric cabinet, a precise rotary table is rotationally connected to the base. A hub positioningtable is installed on the precise rotary table, a positioning pin is arranged on the hub positioning table, and a hub standard piece is arranged on the hub positioning table. A lifting mechanism is arranged at the inner top portion of the rack, and a detection mechanism is installed on the lifting mechanism. Practical use proves that the comprehensive measuring instrument can operate independentlyby one operator. The operation is simple and convenient, and the performance is reliable. Detection of one hub can be completed within 25s, and the requirement for manufacturing the detection beat ismet.

The invention discloses a flow-concentration setting structure for an oil field small-flow-rate bridge-free eccentric water distributor. The flow-concentration setting structure comprises a testing sealing section used for a bridge eccentric water distributor. A water inlet is formed in the top of the testing sealing section, and a water outlet is formed in the bottom of the testing sealing section. The testing sealing section is internally provided with a liquid flow channel for communicating the water inlet with the water outlet. According to the flow-concentration setting structure, the flow channel is formed in the structure of an existing testing sealing section, and thus it is ensured that a liquid flow smoothly flows downwards and is prevented from plugging the testing sealing section after the bridge-free eccentric water distributor is subjected to setting.

A cylinder diameter measuring device of reciprocating internal combustion engine includes: a guiding piece located at the shaft core of the cylinder; a bearing part holding the guiding piece; a long support rod penetrating the guiding piece; a length measurer provided on the support rod and in cross with the support rod, wherein, the length measurer includes a rod shaped measurer body; a contact or non-contact type displacement converter provided at the top of the measurer body for converting the measured values into electrical signals and then outputting.

The invention discloses a non-contact flatness measurement model solving device with simple and diversified measurement ways. The non-contact flatness measurement model solving device comprises a rectangular operating platform, wherein a supporting seat is arranged below the operating platform, and side plates are fixedly arranged on the two sides of the operating platform; a pneumatic vibration-guiding suction disc and a displacement sensor are arranged on the operating platform, the pneumatic vibration-guiding suction disc is connected with a pneumatic distributor and a control device, and the pneumatic distributor is connected with a gas pressure inlet through a high-frequency valve. Through the vibration guiding of the pneumatic vibration-guiding suction disc on strips, the displacement sensor outputs strip vibration data, the data is processed through software, and a conclusion is drawn. The device can be applied to online flatness measurement and can also be used for fault diagnosis of flatness measurement. The operation of the device is non-contact, so that requirements of the static measurement model description of the strips, which has the characteristics of being high in surface cleanliness and the like, are met.

The invention provides a method and a device for channel measurement. The method and the device can be applied to the fields of Internet of Vehicles V2X, intelligent networked automobiles, automatic driving or unmanned driving and the like. In a channel reporting process of a sidelink, a sending end device of sidelink communication indicates one or more candidate time intervals to a receiving enddevice, and the receiving end device can try to acquire available PSSCH for sending a channel measurement report in time domain resources corresponding to the one or more candidate time intervals. A feasible scheme is provided for channel measurement of the sidelink.

The invention discloses an automobile brake disc flatness detection device, which is characterized in that two groups of measuring screws are symmetrically arranged on two sides of the upper part of abrake disc, the middle parts of the measuring screws penetrate through second threaded sleeves, the second threaded sleeves are in threaded fit with the measuring screws, and rotating sleeves are fixed at the front ends of the measuring screws; the rear portions of the rotating sleeves cover the outer sides of the front portions of the second threaded sleeves, scales are arranged on the outer surfaces of the second threaded sleeves, scale values are arranged on the outer sides of the rotating sleeves, the two sets of second threaded sleeves are symmetrically fixed to the lower end of the fixing frame, and the lower end of a lifting screw is inserted into a bearing which is fixed to the center of the top of the fixing frame. The lifting screw is in threaded fit with the first threaded sleeve, the first threaded sleeve is fixed to the top fixing table, the center positioning column is matched with a center hole of the brake disc, and the first positioning pin and the first fixing bolt penetrate through a fixing bolt hole of the brake disc. The device has the advantages of being high in detection precision, low in cost and high in adaptability.

The invention relates to the technical field of engineering blasting, and particularly discloses an automatic processing device for blast holes with karst caves. The automatic processing device comprises a capsule, a telescoping mechanism and a fixed box; the telescoping mechanism is arranged in a space in the capsule; the top of the telescoping mechanism is fixed with the top of the capsule; thetelescoping mechanism can stretch along the horizontal direction; a plunger is fixed at the lower end of the telescoping mechanism; the fixed box is fixed to the bottom of the capsule; a water inlet hole matched with the plunger is arranged on the fixed box; the fixed box communicates with the interior of the capsule through the water inlet hole; an oxygen generating agent is filled in the fixed box, and the oxygen generating agent is in contact with water to generate a large amount of oxygen; the capsule is filled with water; a first pull rope is fixed to the top of the telescoping mechanism;scales are arranged on the first pull rope; a second pull rope is fixed to the bottom of the telescoping mechanism; and the first pull rope and the second pull rope vertically and upwards penetrate through the top of the capsule and are in sliding sealing connection with the capsule. The invention aims to solve the problem that the effect is poor when a woven bag is adopted to block the blast holes.

The invention discloses a measuring device and a method for measuring a curved glass. The measuring device comprises a laser measuring unit. The laser measuring unit is capable of emitting a laser beam to a curved portion to measure a thickness of the curved portion, is configured to be capable of moving the laser beam emitted toward the curved portion at an irradiation point of the curved portionalong an arc-shaped portion of a section of the curved portion, and configured to make an angle between the laser beam and a normal of the laser beam at the position of the irradiation point of the curved portion unchanged. The laser measuring unit is movable in a horizontal direction to adjust an angle between the laser beam and the curved portion. The measuring device and the method for measuring the curved glass can make the angle between the measuring laser beam and the normal of the measured curved surface substantially unchanged, thereby improving the measurement precision; and also canmeasure the arc-shaped portion and a straight portion of the curved glass, thereby realizing the measurement of various dimensions such as the length, the width, and the thickness of the curved glass.

The invention provides a high-precision cesium optical pump dynamic magnetic measurement system applied to ship-borne hard links in shallow water areas, which is characterized in that the system comprises a ship-borne quick-release connecting structure, a cesium optical pump acquisition system, an RTK (Real-Time Kinematic) positioning structure, an IMU (Inertial Measurement Unit) inertial navigation system, a watertight packaging probe cover and a power supply system; the ship-borne quick-release connecting structure is mounted on the lower side of the cesium optical pump acquisition system; the cesium optical pump acquisition system and the ship-borne quick-release connecting structure are connected with a ship through quick-release screws; the RTK positioning structure, the IMU inertial navigation system and the watertight packaging probe cover are installed on the upper side of the cesium optical pump acquisition system; and the power supply system is connected with the cesium optical pump acquisition system, the RTK positioning structure and the IMU inertial navigation system. The ship-borne cesium optical pump system is subjected to related modification and is equipped with an angle measurer, a carbon fiber telescopic pipe, a sealed waterproof probe outer cover and the IMU inertial navigation system, the whole set of device can be used independently, the model of a loading ship is not limited, and connecting devices can be changed according to different ships.

The invention discloses an air conditioner compressor gasket selection device with accuracy improved, which comprises a supporting plate, vertical columns, a U-shaped rod, a soleplate, a positioning device, a top plate, a dial gauge, an ejecting rod, a fixing sleeve, guide sleeves, a cylinder and a hydraulic cylinder, wherein the soleplate is connected with the top of the vertical columns; the bottom of the vertical columns is connected with the supporting plate; the hydraulic cylinder is arranged on the supporting plate; the hydraulic cylinder is connected with the U-shaped rod; two ends of the U-shaped rod pass through the guide sleeves arranged on the soleplate respectively; two ends of the U-shaped rod are provided with the top plate; the bottom of the top plate is connected with the fixing sleeve; the fixing sleeve is internally provided with the ejecting rod; the dial gauge is arranged above the ejecting rod; the middle of the soleplate is provided with the positioning device; the bottom surface of the soleplate is connected with the cylinder; and the positioning device comprises a disc body, a sliding groove, a limiting device, a through hole and a power device. The air conditioner compressor gasket selection device with accuracy improved has the beneficial effects that a thrust bearing is positioned through synchronously moving four moving plates, the circle center of the thrust bearing is thus consistent with the through hole, developing of the work is facilitated, occurrence of tilt is avoided, and the measurement accuracy is improved.

The invention relates to a simple hole verifier and an application method thereof. The simple hole verifier comprises a fixed cross, a falling cross and a suspension wire joining the fixed cross and the falling cross, wherein the fixed cross is formed by hinging two upper arms, the hinged position of the two upper arms is provided with a threading hole, the lower surface of each upper arm is symmetrically provided with an upper arm extension rod about the center, the falling cross is formed by hinging two lower arms, each lower arm is symmetrically provided with a balance adjusting bolt by adopting a hinge shaft as a center, two end parts of each lower arm are respectively provided with a second adjusting screw and a pair of lower arm extension rods which are fixed below the lower arms. The simple hole verifier is simple in structure, low in cost, flexible to use and simple and practical in operation process; a function for measuring aperture of a pile hole and a function for measuring the verticality of the pile are integrated, so that flexibility in adjustment can be realized according to the on-situ situation, not only can the accuracy in measurement be guaranteed, but also the measurement working efficiency can be guaranteed, and the success in work can be favored. The simple hole verifier can be widely used for measuring the aperture and the verticality of the pile hole.

The invention relates to the technical field of chemical research equipment, and discloses a cuvette constant temperature device which comprises a constant temperature cylinder used for containing a cuvette and a butt joint block detachably arranged at the closed end of the cuvette, and one end of the constant temperature cylinder is provided with a cylinder insertion opening allowing the butt joint block and the cuvette to be inserted. A locking mechanism for locking the butt joint block is arranged in the constant temperature cylinder. According to the cuvette constant temperature device, the butt joint block for fixing the closed end of the cuvette and the locking mechanism for locking and fixing the butt joint block in the constant temperature cylinder are additionally arranged in the constant temperature cylinder, so that the cuvette inserted in the constant temperature cylinder can be effectively fixed, and the situation that the cuvette accidentally falls off when the constant temperature cylinder moves is avoided; therefore, smooth measurement of a subsequent optical system is ensured.

The application provides a biological sample processing method, a biological sample ferrous ion or total iron ion determination method and a detection kit. In the above-mentioned biological sample processing method, the acidic solution can fully swell and crack the cells through the principle of low osmosis, and at the same time can fully release the iron ions in the cells under the action of acid, and do not have other reactions with the chromogenic agent, and do not affect the Measurement of iron ions. The ferrous ion determination method of the above-mentioned biological sample and the total iron ion determination method of the biological sample, by increasing the concentration of the reducing agent, the iron ion is fully reduced, and by increasing the lye, the tripyridyl triazine and the ferrous ion in the solution Iron ions generate stable blue-purple complexes, which can be used for the detection of ferrous ions, which is simple and accurate. The above-mentioned ferrous ion and total iron ion detection kit can be used for the determination of ferrous ion and total iron ion in biological samples.

The invention discloses a method for sending a wireless frame, which includes: using any access category for the wireless frame to send. The wireless frame is the first frame of channel information measurement. The present invention also discloses a wireless frame sending device, including a selection unit and a sending unit, wherein: the selection unit is used to select any access type for the first frame used for channel information measurement; the sending unit is used to send the the first frame. The invention also discloses a communication network element, which has the above-mentioned device for sending wireless frames. The present invention ensures the sequential transmission of subsequent wireless frames in the frame exchange sequence of channel information measurement, ensures the smooth progress of channel information measurement, and thus transmits communication data according to the obtained channel information. The invention ensures that each communication network element supports MIMO and beam forming, and effectively supplements the existing protocol.

The invention discloses a radio frame sending method which includes sending a radio frame through an arbitrary access category, wherein the radio frame is a first frame for measuring channel information. The invention discloses a radio frame sending device simultaneously. The device comprises a selecting unit and a sending unit, wherein the selecting unit is used for selecting the arbitrary access category for the first frame which is used for the channel information measurement, and the sending unit is used for sending the first frame. The invention further discloses a communication network element provided with the radio frame sending device. According to the method ,the device and the network element, successful transmission of follow-up radio frames of a frame switch sequence of the channel information measurement is guaranteed, smooth proceeding of the channel information measurement is guaranteed, therefore communication data are sent according to the obtained channel information, support of each communication network element for multiple input multiple output (MIMO) and beam forming is guaranteed, and the existing protocol is supplemented effectively.

The invention relates to the technical field of municipal engineering, in particular to a high-efficiency laser mapping method based on municipal engineering. The method comprises the following steps:S1, a laser measuring instrument is checked to ensure that the laser measuring instrument is in a normal working state, the laser measuring instrument is fixed on a tripod, and the origin of coordinates is then determined; S2, the laser measuring instrument is placed at the origin, the horizontal direction of the tripod is leveled, and the laser measuring instrument is ensured to be in a horizontal state; S4, the data of the laser measuring instrument are transmitted wirelessly, the data are imported into a data processor, the data are processed by the data processor, the data are imported into a computer by USB, and image drawing is carried out; and S5, after image drawing, the drawing is printed by a printer. The measurement accuracy is ensured, and the operation is simple and convenient.

The invention provides an optical fiber beam converter, comprising an optical fiber insert core part (1) which is correspondingly connected with an optical instrument connector and a bare fiber adapter, the optical fiber insert core part (1) comprises a first optical fiber insert core (2) and a second optical fiber insert core (3), an optical fiber is respectively integrated in the first optical fiber insert core (2) and the second optical fiber insert core (3), and the optical fibers of the first optical fiber insert core (2) and the second optical fiber insert core (3) are connected. The optical fiber beam converter protects the optical instrument connector and realizes the accurate measurement of spectrum and polarization.

The invention relates to a measuring device, in particular to an internal groove measuring device, which belongs to the field of machining measurement, and includes: a dial indicator, a measuring sleeve and a grooved measuring rod, and the dial indicator passes through a lock nut And the measuring gauge card is fixed on the first measuring sleeve, the first measuring sleeve is equipped with a compression spring, and the dial indicator is connected with the elastic instrument contact rod set in the measuring claw; due to the use of the inner groove measuring instrument technology , so that the unmeasurable inner tank value can be measured smoothly, the measurement speed can be increased by more than 10 times, and the measurement accuracy is very accurate.