125 results about "Gauge (instrument)" patented technology

The invention discloses a method for aligning and centering a coupler of rotating machinery and a special calculator thereof, and is applied to occasions needing alignment during arranging or maintaining the rotating machinery. By combining a dial gauge and a gauge frame, or during the use of a dial gauge type aligning and centering instrument, the aligning and centering work can be rapidly and accurately finished. Several necessary dimension parameters and the indication of the dial gauge are only needed to be measured; the patterned working process is selected according to an internal procedure; and an aligning and centering adjustment value is generated by calculating according to the internal procedure in the device, and the aligning and centering adjustment is performed. Therefore, the aligning and centering work can be conveniently and rapidly finished. The method for aligning and centering the coupler of the rotating machinery and the special calculator thereof have the advantages that: the aligning and centering work of the rotating machinery is performed without tedious calculation or graphical method, and particularly the aligning and centering process evaluated and repeatedly adjusted by experiences is not needed. Therefore, the method is simple, easy to master, time-saving and labor-saving, can lighten the labor intensity and has more visualized determined value. Compared with a laser alignment instrument, the method has the characteristics of wide applicability, low cost, and portability.

The invention discloses a concrete expansion and contraction test length measuring instrument and a measuring method. The measuring instrument comprises a standard length bar and a base, two guide rails are fixed on the base, and a test piece fixture is arranged between the guide rails, and the bottom of the test piece fixture Installed on the base, the specimen fixture is equipped with a specimen fastening device, a locator is provided above the specimen fixture and the locator is fixed on the base, and the two ends of the guide rail are installed with positioning verniers that can slide on the guide rail and The sliding dial indicator frame and the positioning vernier are located on the inner side of the sliding dial indicator frame, and a dial indicator is arranged on the sliding dial indicator frame. The present invention can be applied to the precision length measurement of concrete specimens of different specifications by replacing the specimen fixture, without the need for special length measuring instruments, and has strong applicability, and can accurately measure the lengths of concrete specimens of different tests and different specifications on one instrument , can ensure the standardization and unification of the length measurement tests of concrete specimens of different specifications, and ensure the consistency and accuracy of the measurement data.

The invention discloses an inner diameter measuring instrument and relates to a measuring tool. The inner diameter measuring instrument is provided with a measuring rod, wherein a measuring gauge outfit is arranged on the front end portion of the measuring rod, and a measuring probe is arranged on the measuring gauge outfit. The inner diameter measuring instrument is characterized in that a positioning seat is arranged, at least four positioning rods of adjustable lengths are evenly arranged on the positioning seat, positioning blocks are arranged on front end portions of the positioning rods, and the measuring rod is hinged in the center of the positioning seat through a hinged shaft. In the process of use, the positioning seat is arranged on a round hole of a part, the lengths of the positioning rods are adjusted to enable the center of the positioning seat to coincide with the center of the round hole and be fixed, at the moment, the measuring rod is rotated, the measuring probe of the measuring gauge outfit of the front end of the measuring rod slides along the inner wall of the round hole, and according to the length of the measuring rod and measuring value displayed by the measuring gauge outfit, the radius of the round hole can be obtained. According to changes of the measuring value of the measuring gauge outfit, the inner diameter measuring instrument can detect whether roundness and concentricity of the round hole confirm to the standard or not and can confirm the position which is not up to standard. The inner diameter measuring instrument is convenient to repair and maintain, after repaired and maintained, mechanical vibration amplitude is small, mechanical performance is improved, the inner wall of the round hole is not easy to abrade, and service life is long.

The invention discloses a camber measuring method of an overhead and gantry crane and a matched measuring device. The method is used for measuring the camber on the overhead and gantry crane, the operation is convenient, a measuring worker does not need to assemble testing equipment on site, the measuring can be finished on the ground, the limit of erecting the instrument by the ground space and the light is small, the distance measurement scope is 1-50m, the measuring precision is plus and minus 1mm, and the measuring is accurate, convenient and suitable. The matched measuring device is mainly composed of laser distance measuring equipment, a level gauge and a calibrated scale, the laser distance measuring equipment and the level gauge are arranged on a holder of a tripod, the upper end of the calibrated scale is fixed on an outer shell on one side of the laser distance measuring equipment, the lower end of the calibrated scale is fixed on the holder of the tripod, the level gauge and the tripod are arranged within the stadia measuring scope of the laser distance measuring equipment, and the scale of the calibrated scale can be observed through an eye lens of the level gauge. The device is simple in structure, relatively cheap, convenient to carry and good in popularization application prospect.

The invention relates to a radial jitter detector for a shaft, belonging to the field of radial jitter detection equipment of shaft-like workpieces. The radial run-out detector for the shaft is simple in structure, has a wide measurement range, is provided with two adjustable apexes and can adjust the movable apex to measure workpieces with different sizes according to the size of the workpiece. A dial gage is arranged on a gauge bracket, the gauge bracket is fixed on a cross beam and can do reciprocating motion and up-and-down motion, so that the radial run-out value of the shaft can be measured accurately; the condition that a bench worker mistakenly judges deformation due to no detecting instrument is arranged in maintenance to cause waste phenomenon owning to scrapping can be avoided.

The invention relates to a mine-filling pipage test method and special equipment, which belong to the technical field of cemented filling of full tailings of mines. The technical scheme is as follows: the special equipment comprises a hopper (1), a delivery pipe (2), a detachable pipeline stopper (4) and supports (5), wherein the delivery pipe is arranged on the supports and is provided with an L-shaped pipeline structure formed by a horizontal pipeline and a vertical pipeline; the hopper is vertically distributed and is connected with one end of the vertical pipeline of the delivery pipe; and the other end of the horizontal pipeline of the delivery pipe is provided with the detachable pipeline stopper. The test equipment disclosed by the invention is simple, is easy to operate and is dispensed with any on-line detection instrument, such as a concentration meter, a flowmeter, a pressure gauge, and the like; and only simple common measuring tools such as a stopwatch, a box ruler, and the like are needed, the flow characteristic of the tailings in the delivery process and on-way resistance losses of the pipelines can be mastered within a short time, the yield shear stress of slurry, the rheological factor of the slurry and resistance losses i of the pipelines at different flow rates are obtained, the requirements of mine-filling designs and the production are satisfied, the cost is low, and the popularization and the application are easy.

The invention provides a hot continuous rolling intermediate billet thickness calculating method. The method comprises the steps of measuring the width of a rolled piece during hot continuous rolling, measuring the thickness of the finish-rolled piece, and detecting the thermal signal of the rolled piece in real time; calculating the average velocity, average thickness and average width of the head of the finish-rolled piece; calculating the flow rate per second of the head of the finish-rolled piece according to the average velocity, average thickness and average width of the head of the finish-rolled piece; calculating the average velocity of the tail of the rolled piece and the average width of the tail of the rough-rolled piece; calculating the thickness of a rolled piece intermediate billet. According to the method, the average thickness of the rolled piece calculated according to the flow rate per second invariance principle can be taken as the actual thickness of the intermediate billet; accurate measurement of the thickness of the intermediate billet can be achieved through measured data obtained with a field instrument. By the adoption of the method, the thickness of the intermediate billet can be calculated accurately, and the problem that the thickness of the rough-rolled piece can not be measured when no thickness gauge is available is solved; productive investment cost is reduced, and thickness measurement accuracy is guaranteed.

The invention relates to the settlement joint two-dimensional deformation detection technical field, particularly to a long-gauge FBG (Fiber Bragg Grating) based settlement joint two-dimensional deformation and opposite inclination monitoring method which aims at overcoming the defects that the deformation detection error is large and detection data are discontinuous in the actual use process of settlement joints in the prior art. A long-gauge FBG sensor is distributed and an average strain equation of the horizontal direction, the vertical direction and the two-dimensional deformation after the movement of a settlement joint is listed to solve the opening distance x of the settlement joint in the horizontal direction and the dislocation distance y of the settlement joint in the vertical direction. Compared with the traditional manual instrument monitoring, the long-gauge FBG based settlement joint two-dimensional deformation and opposite inclination monitoring method is high in test accuracy and continuous in data and can be popularized and utilized in engineering.

A separator capable of measuring three phase of oil, gas and water in-phase is provided. In the process of measuring, only three time parameters displayed by three level gauge are marked and the measure of oil, gas and water is finished without using other specialties instrument. Weigh (ton) and volume (square) are obtained in-phase by time measuring of constant altitude of level gauge of mix solution and corresponding column level gauge, and the parameter Rho mix=t1/t2*Rho water which is most difficult to calculate by consistency method for measuring water content is obtained and the content of water is calculated conveniently. The gas production is measured by zero position gauge timing of emission chamber, and the timing method of oil, gas and water is obtained. Three-chamber structure, pull rod valve, pneumatic valve and electromagnetic valve are combined with measuring signal, the switch of series measure is finished by self energy, and the frock match and cost of three-phase measure are simplified. In addition, many infection factors of water content measuring of consistency method is eliminated in technics and precision of water content measuring is ensured.

The invention discloses a three-dimensional heterogeneous oil-reservoir multi-well-pattern mode water flooding physical simulation experiment device. The three-dimensional heterogeneous oil-reservoirmulti-well-pattern mode water flooding physical simulation experiment device comprises a reservoir simulation system, an injection system and an experimental measurement system, wherein the injectionsystem and the experimental measurement system are separately connected with the reservoir simulation system. The reservoir simulation system comprises an experiment box, an insulating filter screen and a measurement electrode. The insulating filter screen is detachably arranged to divide the experiment box into multiple layers; the injection system comprises an injection pump, an oil-and-water storage tank, a pressure gauge and a multiported valve, wherein the injection pump, the oil-and-water storage tank, the pressure gauge and the multiported valve are connected in sequence; the oil-waterstorage tank is connected with each layer of the experiment box through the multiported valve and an injection pipeline; and the experimental measurement system comprises a multi-channel resistance measurement instrument and a flow measurement system, wherein the multi-channel resistance measurement instrument is connected with the measuring electrode, and the flow measurement system is connectedwith each layer of the experiment box through discharging pipelines. According to the three-dimensional heterogeneous oil-reservoir multi-well-pattern mode water flooding physical simulation experiment device, multi-layer filling and leveling degree is ensured, the development of an interlayer can be more accurately simulated, the oil-and-water production can be measured in layers under the simulated multi-well-pattern mode, and the resistance is measured in real time to obtain the saturation distribution.

The invention provides a multi-azimuth regulating type operation platform based on a construction field and a construction method of the multi-azimuth regulating type operation platform. The platform includes an operation platform body, an operation control platform, a lifting device and a wind speed measuring instrument. A balance inductance gauge is arranged on the operation platform body and used for detecting the horizontal balance condition of the operation platform body in real time and feeding back a detected signal to the operation control platform; the lifting device is provided with a hook device and fixedly connected with the operating platform body through the hook device, and the operating platform body is spatially perpendicular to the lifting device; the wind speed measuring instrument is arranged on the upper surface of the lifting device and used for detecting the wind speed condition of a work environment in real time and feeding back a detected signal to the operation control platform; the operation control platform is arranged on the side wall of the operation platform body and used for receiving the detected signals of the balance inductance gauge and the wind speed measuring instrument and controlling the operation platform body to move up and down through the lifting device. The operation platform is convenient to adjust, high in turnover efficiency, simple in operation, high in safety performance and wide in application range.

The invention provides a shaft length and inner bore size detection device in shaft detection equipment, belongs to the technical field of measurement, and solves the technical problem that there is no corresponding automatic device for shaft detection at present. The shaft detection equipment comprises a work bench and a measurement bench. The detection device comprises a detection air pump, an airtightness measuring instrument and three detection bases arranged on the measurement bench. Central spindles of the three detection bases can rotate synchronously through a rotation structure; the work bench is provided with a station transfer device; the work bench is fixedly provided with an upper distance sensor and a lower distance sensor; each detection base can be moved to a place between the upper distance sensor and the lower distance sensor; the work bench is also fixedly provided with two pneumatic gauge heads and a lift frame; the detection bases can be moved to the space right above the two pneumatic gauge heads; the detection air pump is connected with the airtightness measuring instrument through an air pipe; and the airtightness measuring instrument is connected with the pneumatic gauge heads through air pipes. The detection device has the advantage of realizing accurate measurement of the shaft length and the inner bore size.

The invention provides an automatic evaluation method and system for the width quality of hot-rolled strip steel. The method comprises the steps of collecting a first width curve measured by a multifunctional instrument and a second width curve measured by a width measuring instrument, wherein the multifunctional instrument is arranged at an outlet of a finish rolling tail rack, and the width gauge is arranged at a coiling inlet; converting a width value in the second width curve into a theoretical width in a finish rolling state based on thermal expansion coefficients of a finish rolling areaand a coiling area of the strip steel to obtain a third width curve; recombining the first width curve and the third width curve to obtain a strip steel width curve; and analyzing the strip steel width curve by utilizing a preset strip steel width quality judgment system to obtain a strip steel width quality judgment result. According to the method, the width quality problem caused by process defects can be discovered, the influence of instrument distortion on width curve identification is eliminated, manpower can be liberated, the efficiency is improved, and the omission ratio is reduced.

The invention belongs to the field of instrument verification and relates to a verification method and a verification system of pressure gauges. According to the verification method of the pressure gauges provided by one embodiment of the invention, the loading and unloading of the pressure gauges can be automatic by controlling the pressure gauges to be transmitted in specific postures, the improvement of the automation degree of the pressure gauges can be facilitated; when errors of the pressure gauges are obtained, vibration is used for replacing manual tapping operation, the multiple pressure gauges can be calibrated at the same time, and the calibration efficiency is improved. The calibration system of the pressure gauges is provided to achieve the calibration method and improve the automation degree of the calibration of the pressure gauges.

Advantageous mounting flanges for measuring devices and related methods of use are provided. The present disclosure provides advantageous mounting flanges configured to be mounted to measuring devices/instruments (e.g., pressure or temperature measuring devices/instruments), and related methods of use. More particularly, the present disclosure provides advantageous systems/methods for the design and use of user-friendly press-on mounting flanges configured to be mounted to pressure and temperature instruments (e.g., to the case of pressure or temperature gauges) to allow the instruments to be secured to a supporting structure (e.g., to a panel) via the mounting flanges. Disclosed herein is an advantageous mounting flange configured to be mounted to a case of a measuring device/gauge, thereby allowing the measuring device/gauge to be mounted to and held in a panel via the mounting flange. As such, the gauge case mounting flange is configured to hold the measuring gauge in place in the panel.

The invention discloses a valve lock clamping groove profiling clamping plate, which comprises a clamping plate body, a no-go gauge is arranged at one end of the clamping plate body, a go gauge is arranged at the other end of the clamping plate body, the no-go gauge is a rectangular groove, the two sides of a notch of the no-go gauge are each provided with a semicircular protrusion, and the go gauge is in the shape of a rectangular groove. The two sides of the go gauge notch are respectively provided with a semicircular protrusion. The novel profiling clamping plate for the valve collet groove is convenient to use and can be used by training common operators slightly without professional training guidance; the clamping plate is placed on a testing fixture table beside production equipment, so that the size of a product lock clamping groove can be measured at any time, and convenience and rapidness are achieved. The detection efficiency is improved, the production efficiency is also improved, the self-inspection detection frequency of an operator can be improved, and the risk of batch rejection in the machining process can be prevented. By using the novel valve collet groove profiling clamp, the use frequency of a high-precision instrument universal mirror in a laboratory can be reduced, and the cost is saved to a certain extent.