15results about How to "Avoid affecting measurement accuracy" patented technology

The utility model relates to the technical field of land survey point fixing devices, in particular to a portable land survey point fixing device. Comprising a sleeve, a pushing and pressing cylinder is sleeved with the sleeve in a matched mode, a handle is arranged at the top of a pushing and pressing cylinder body, a locking mechanism is arranged at the bottom of the pushing and pressing cylinder body, and a locking plate and a movable top plate in the locking mechanism jointly move to lock or loosen a positioning marker post; the point fixing device is light in weight and low in cost, operation can be completed by one person, and convenience is greatly improved.

The utility model discloses a thickness measuring device for bipolar plate production, which comprises a measuring column, a sliding block and a measuring plate, the sliding block is slidably connected to the surface of the measuring column, the measuring plate is fixedly connected to the front side of the surface of the sliding block, the bottom of the measuring column is fixedly connected with a measuring mechanism, and the measuring mechanism comprises a reference platform. And the reference platform is fixedly mounted at the bottom of the measuring column. According to the utility model, the distance measuring sensor is used for automatically detecting the distance and transmitting data to the control panel, so that the intelligentization of the thickness measurement of the bipolar plate is realized, the workload of operators is greatly reduced, and when a large number of bipolar plate measurement tasks are performed, the measurement efficiency can be obviously improved, and the time and energy are saved; and meanwhile, the arrangement of the reference platform can ensure the flatness of the bipolar plate when the bipolar plate is placed, so that the problem that in the practical application process of the patent equipment, an operator needs to manually rotate the rotating block so as to push the threaded rod to fix the measuring block, and the operation process is relatively complicated is solved.

The application discloses a fiber type horizontal angle indicating device based on a self-collimation principle and a method thereof, and relates to the technical field of horizontal angle indication.The device comprises a light source, a fiber weight module, a light intensity receiving module and a frame.The light source emits a space light which is coupled into the fiber weight module.The fiber weight module converts the direction of the incident light into a vertical downward direction and emits the light to a measured object.The measured object reversely couples the incident light into the fiber weight module.The fiber weight module emits the incident light to the light intensity receiving module.The light intensity receiving module converts the incident light into an electric signal.The frame is used for suspending the fiber weight module.The application is suitable for the installation and debugging process of high-end manufacturing equipment, measuring instruments and scientific test equipment, and provides high-sensitivity horizontal angle indication for the adjustment requirement of the spatial posture of a sensitive element and the high-precision level of the ground.

This utility model discloses a novel column-type sensor, including a base plate and a sensor body. A balancing base is mounted on the top of the base plate, and the sensor body is mounted on the balancing base. A sensor sealing shell is mounted on the outer side of the middle part of the sensor body, and a protective outer cover is mounted on the outer side of the base plate. The protective outer cover has multiple through holes evenly spaced at the base plate. This utility model provides a double barrier between the sensor sealing shell and the protective outer cover, effectively preventing dust from entering the sensor and affecting measurement accuracy. The multiple through holes evenly spaced at the base plate allow for the dumping of dust without affecting weighing accuracy.

The utility model discloses a feed granularity multistage screening rapid metering device which comprises a box body, a sampling cavity is arranged in the box body, a plurality of groups of screening cavities located in the box body are arranged on one side of the sampling cavity, a screening plate is installed between every two adjacent groups of screening cavities, and the apertures of screening holes in the multiple groups of screening plates are sequentially reduced. The feed screening device has the advantages that the sampling cavity is used for containing feed needing to be detected and screened, the screening cavities and the screening plates are arranged to be matched to effectively and rapidly screen materials in the sampling cavity, and feed particles with different granularities are rapidly screened into the screening cavities; meanwhile, a cover plate and a first sliding groove are arranged to be matched to guarantee the sealing performance of the box body during screening, the box body is arranged to be small in size, the box body is convenient to hold for shaking screening, and the operation convenience is improved; and through cooperation with the metering scale marks, the screened feed in the multiple screening cavities can be rapidly and accurately metered, and the efficiency of screening and metering the feed is effectively improved.

The utility model relates to the technical field of instruments and meters, and discloses a water level detection rod accurate measuring device which comprises a shell, the rear side of the shell is fixedly connected with two protective covers, the rear sides of the two protective covers are both slidably connected with first moving rods, the front sides of the first moving rods are rotatably connected with a fixing plate, and the fixing plate is fixedly connected with the shell. The device comprises a fixed plate, movable plates are fixedly connected to the upper side and the lower side of the fixed plate, first springs are fixedly connected to the front sides of the two movable plates, second fixed plates are fixedly connected to the front sides of the two movable plates, transverse plates are fixedly connected to the close sides of the two second fixed plates, and two limiting shafts are fixedly connected to the rear sides of the two transverse plates. And moving rods II are slidably connected to the far sides of the two protective covers. According to the traction rope fixing device, the first moving rod moves, the first fixing plate drives the moving plate to move, the fixing plate drives the transverse plate to move, the limiting shaft breaks away from control over the second moving rod, and fixing and limiting of the traction rope are achieved.

This invention relates to an automatic vehicle weighing system based on a dynamic transportation process, belonging to the field of vehicle load detection technology. The system includes: a data acquisition unit for real-time acquisition of deformation angle data from measuring points on the vehicle's suspension system and generation of timestamps and vehicle identifiers; a data processing and communication unit for data preprocessing, local caching, obtaining vehicle location and operating conditions, and enabling local storage to resume transmission when communication is interrupted; a background service and calculation unit, where a dynamic benchmark management module automatically identifies periods of no-load, stationary, and horizontal state, stores the acquired deformation angle data as dynamic no-load benchmark values, and automatically triggers benchmark updates when the deviation between the new benchmark value and the initial benchmark value exceeds a threshold; and a load calculation module calculates the vehicle's load weight based on real-time deformation angle data and dynamic no-load benchmark values, combined with a load calculation model. This system achieves high-precision, maintenance-free dynamic measurement of the vehicle-mounted weighing system and improves its adaptive correction capability against zero-point drift.

The utility model relates to the technical field of water conservancy construction, and concretely is a kind of measuring device for water conservancy construction, including extension frame storage seat, the bottom of one end of extension frame is fixedly connected with storage box, the storage box is used to place counterweight installation, the bottom of counterweight is fixedly connected with support leg, the support leg is equipped with multiple, the side of storage box is equipped with insertion port, the insertion port is used to support plate horizontal insertion, one end of support plate is fixedly connected with pull plate, the other end of support plate is inserted in recess inside, the recess is equipped in the inside of storage box. The setting of storage box can store counterweight in storage box, when needing to increase counterweight, only need to pull pull plate and take out support plate from storage box, can let counterweight fall down, and increase the weight of the end of steel wire rope, avoid the water flow and steel wire rope to be crooked, influence measuring accuracy.

The application relates to the technical field of metering, and discloses a metering device, an eye drainage device and a method, which comprise a metering main body, a first cavity and a second cavity are arranged in the metering main body, the first cavity is provided with a drainage inlet, the first cavity and the second cavity are communicated through a communicating pipe, the communicating pipe comprises a rigid section and a hose section, the rigid section is communicated with the first cavity, the hose section is communicated with the second cavity, a piston block and a peristaltic driving unit are further arranged, the piston block is movably arranged in the rigid section, the hose section is arranged in the peristaltic driving unit, the first cavity is filled with a first medium, the second cavity is filled with a second medium, the peristaltic driving unit can drive the second medium in the hose section to be conveyed so as to move the piston block, the piston block drives the second medium to flow so as to drain the drainage inlet, and the second cavity is provided with a metering scale for metering. Through the above scheme, the problem that the drainage speed and the drainage volume are not accurately controlled in the drainage process in the prior art is solved.

This invention relates to the field of check valve technology for drilling, and discloses a steering structure for an adjustable rice transplanter, including a vehicle, a transplanter rotatably connected to the side wall of the vehicle, a front wheel rotatably connected to the bottom of the vehicle, and a rear wheel rotatably connected to the bottom of the vehicle. After ensuring that the vehicle can no longer drive the transplanter forward, the front wheel is rotated in the direction where the rice is not transplanted, and rotated to the maximum angle. Then the speed of the rear wheel is increased until the speed reaches the maximum value. At this time, due to the pressure mechanism restricting the forward movement of the vehicle, and the mud and water in the muddy ground reducing the friction between the rear wheel and the ground, the vehicle drives the transplanter to turn in the direction of the front wheel, reducing the difficulty of turning the equipment. After the vehicle and the transplanter complete the turn, the original distance between L and U is K, and the distance between the original position of L and the new position of L after the turn is 2K, which is equal to the original distance between the seedlings, ensuring that the distance difference between the seedlings is small after the equipment completes the turn.

The utility model discloses a river depth measuring device belongs to hydrological monitoring field, including surveying boat, the rear side of surveying boat is equipped with a plurality of propellers, the inside middle part of surveying boat is equipped with camera, the inside front side of surveying boat is equipped with drive arrangement, the bottom front side of surveying boat is equipped with rotating device, the below of rotating device is equipped with telescopic device. The utility model discloses through setting up drive arrangement in surveying boat inside, sets up rotating device at surveying boat bottom, sets up telescopic device below rotating device, gathers telescopic device through rotating device, prevents the influence surveying boat's navigation, through the intercoordination of drive arrangement and telescopic device, can fastly measure river depth, and does not need manual operation, through telescopic device avoids the problem that the depth measuring cable forms the amplitude under the action of water flow, influences the measuring accuracy.

The utility model relates to a magnetic ruler of horizontal calibration, belong to ruler technical field, including ruler body and plug -in board body, the one side of ruler body is close to the recess that is set up in two sides, the inside both sides of each recess are provided with one bearing, the opposite side of four one bearing is connected with the rotary lever, the opposite side of four one bearing is connected with two magnet body through four rotary lever, beneficial effect: through one bearing and rotary lever can let magnet body free rotation, like this can be convenient for personnel to use ruler body adsorption use on three -dimensional building article, need not personnel manual support fixed measurement, the ruler body of adsorption use is not easy to appear hand to slide, can improve the accuracy of measurement as far as possible, like this is suitable for the use of multiple scenes, improved the flexibility that ruler body used.

The invention relates to an oil-gas separation online measurement system and a working method thereof, the oil-gas separation online measurement system comprises an oil path unit, a degassing unit, a gas path unit and a measurement unit, and the working method specifically comprises the following steps: S1, bidirectionally cleaning an oil path; s2, blowing and washing a gas path in two directions; s3, quantifying the oil sample; s4, negative pressure extraction and negative pressure exhaust are carried out; s5, circulating the oil sample; s6, carrying out constant-pressure degassing; s7, compressing the gas; and S8, performing constant-temperature measurement. Through the step of arranging a two-way cleaning oil way and a two-way purging gas way before measurement, thorough cleaning of the oil way and the gas way before measurement is effectively guaranteed, in the oil sample extraction, oil-gas separation and gas sample measurement process, the pressure and temperature of oil and gas are kept constant, and the degassing efficiency and consistency are high. A gas path sensor is arranged in the gas path unit, and a constant temperature device is arranged in the measuring unit, so that the temperature and the pressure of gas in the measuring unit are ensured to be the same during each measurement, system errors caused by environmental factors are eliminated, and the accuracy of system measurement is further ensured.

The utility model discloses a self-adaptive temperature compensation micrometer, which comprises a capacitive micrometer main body, a detection head connected to the capacitive micrometer main body, a controller mounted on the outer wall of one side of the capacitive micrometer main body, and a fixing ring mounted on the outer wall of the detection head, and a mounting ring is mounted on the outer wall of the fixing ring. According to the self-adaptive temperature compensation micrometer, the surface temperature of a metal object can be detected through the arranged temperature measuring probe, and when the temperature is low, the controller can heat the surface of the metal object through the heating assembly to carry out temperature compensation, so that the measurement precision of the detection head is prevented from being influenced; meanwhile, algorithm compensation can be carried out on measurement data of the capacitive micrometer main body in cooperation with the controller, the corresponding compensation amount is calculated according to the current temperature value, the compensation amount is subtracted from the measurement value, a measurement result after temperature compensation is obtained, and self-adaptive temperature compensation is carried out.

This utility model discloses a length measuring instrument calibration device that facilitates tool fixing in the field of length measuring instruments. It includes a length measuring instrument body, a fixing mechanism, and an adjusting mechanism. The fixing mechanism is located at the top of the length measuring instrument body, and the adjusting mechanism is located at the top of the length measuring instrument body and connected to the bottom of the fixing mechanism. The fixing mechanism includes sliding rods that slide through the four corners of the top of the length measuring instrument body. This length measuring instrument calibration device, by starting a drive motor, drives a turntable to rotate, causing the spiral groove to rotate. This causes the connecting column to move inside the spiral groove, gradually moving the connecting column towards the center of the turntable. This causes the sliders to slide outside the connecting rods, bringing the two sliders and clamps closer together to fix the standard part. This avoids the need for manual support, prevents the standard part from shaking during measurement, prevents affecting measurement accuracy, and improves the practicality of the device.