306results about How to "Accurate reading" patented technology

The invention relates to the technical field of computer data processing, in particular to an automatic Excel template data backfilling method based on an LLM semantic understanding technology, which is based on the application of a large language model LLM, a natural language processing NLP, a natural language to NL2SQL and an automatic data filling technology. Through semantic understanding and the NL2SQL technology, efficient and accurate extraction and filling of template data are achieved, the problems that an existing method is low in efficiency and prone to making mistakes are solved, the working efficiency and data quality under the scenes of grassroots social governance and the like are improved, and the burden of workers is relieved.

An RFID tag interference solving method based on a density peak value clustering algorithm reduces signal interference between tags and improves reliability and identification precision of a system by dynamically adjusting priorities and time windows of RFID tags. The method comprises the following core steps: firstly, acquiring a label response signal through an RFID reader-writer; secondly, preprocessing the data, and removing noise and abnormal values; then, calculating the local density of the label signal, and identifying a density peak value region by using a clustering algorithm; then, reducing signal collision of tags in a high-density region by dynamically adjusting priorities and time windows of the tags in the region, and preferentially processing the tags; and finally, outputting a processed tag identification result. According to the invention, the problem of signal interference in a high-density RFID tag environment is obviously solved, the identification accuracy and the operation stability of the system are improved, and the method is suitable for various high-density tag application scenes.

The invention relates to the technical field of combustible gas detectors, in particular to a combustible gas detector with an underground Internet of Things function, which comprises a gas exchange seat, a mounting mechanism rotatably connected to the bottom of the gas exchange seat, a combustible gas detector main body fixedly mounted at the bottom of the gas exchange seat, and a fixing frame fixedly connected to the bottom of the gas exchange seat. A movable frame is arranged on the fixed frame in a sliding fit mode, a protective cover is rotatably connected to the interior of the movable frame, an automatic maintenance mechanism is rotatably connected to the movable seat, and in the using process of the combustible gas detector, dust on the surface of the gas sensor is cleaned and maintained regularly through the automatic maintenance mechanism; the dust on the surface of the gas sensor can be automatically cleaned by utilizing the brush frame which rotates and swings in a reciprocating manner, the sensor can accurately read the gas concentration, the possibility of false alarm and missing alarm is reduced, the manual cleaning frequency is reduced through an automatic maintenance mechanism, and the labor cost and the maintenance workload are reduced, so that the service life of the sensor is prolonged.

The invention discloses an airport pavement engineering three-dimensional model modeling method, system and device and a storage medium, and the method comprises the steps: obtaining elevation characters, terrain grids and flatness range boundary geometric information in an airport pavement engineering CAD two-dimensional drawing, and creating a three-dimensional terrain based on Revit; configuring road surface structure design parameters in the three-dimensional terrain; obtaining all region filling conforming to a specific layer naming rule, and based on Boolean operation, performing region filling in the three-dimensional terrain to generate a pavement structure; obtaining pavement sign information, and projecting in the three-dimensional terrain to generate a pavement sign; the method comprises the following steps: acquiring geometric information of a plate seam line, generating a closed outer contour of each pavement plate according to a pavement structure, generating pavement blocks in a three-dimensional terrain, and obtaining angular point positioning points of the blocks; generating a slab joint according to the projection of the block corner positioning points in the three-dimensional terrain; and according to projection of the block corner positioning points in the three-dimensional terrain and calculation, a dowel bar is generated, and establishment of the airport pavement engineering three-dimensional model is completed.

The invention discloses a water surface water gauge scale intelligent reading method based on target detection and semantic segmentation. The method comprises the following steps: 1, collecting and preprocessing water surface water gauge image data and alphabet E image data in different forms; 2, constructing a water gauge character target detection network, and detecting category and position information of numbers and letters E on a water gauge; 3, constructing a water gauge semantic segmentation network, and segmenting a water gauge region; 4, constructing a letter E classification network, and identifying the form of a letter E in contact with the water surface on the water gauge; and 5, calculating the scale of the water gauge on the water surface by using the trained model and formula. According to the method, characters on the water gauge and the water gauge part on the water surface in a complex video monitoring scene can be quickly and accurately identified, so that the accuracy of reading the scale of the water gauge can be greatly improved.

A wall perpendicularity detection device comprises a base, a stand column is fixed to the upper side of the base, a lifting rod is slidably arranged on the stand column, and a measuring mechanism is arranged at the upper end of the lifting rod; the measuring mechanism comprises a through hole formed in the upper end of the lifting rod, a sliding rod is slidably assembled in the through hole, a connecting base is fixed to the left end of the sliding rod, a first spring is arranged between the connecting base and the side wall of the lifting rod, fixing shafts are fixed to the front end and the rear end of the connecting base, rotating rods are rotationally assembled to the fixing shafts, and measuring rods are fixed to the upper ends and the lower ends of the rotating rods. Through the combination of the hydraulic pushing assembly and the protractor, the perpendicularity of the wall can be accurately measured, when the wall deflects, the angle change of the rotating rod pushes the piston plate through hydraulic oil, then the pointer is driven to indicate the inclination angle of the wall on the protractor, the position of the protractor cannot be changed, and reading is accurate and convenient.

The utility model provides a rotation adjusting mechanism, a lamp and a lighting system.The rotation adjusting mechanism comprises a fixed ring, a rotating ring and a rotating piece, the fixed ring is provided with a containing position, a first connecting part, a display through groove, angle scales and a third connecting part, and the rotating ring is arranged in the containing position; the rotating ring is provided with a second connecting part rotatably connected with the first connecting part around a first rotation axis, the angle scales are distributed around the third connecting part, the display through groove is located between the third connecting part and the angle scales, and the rotating ring is provided with a guide column parallel to the first rotation axis and extending towards the display through groove. The rotating part is provided with a fourth connecting part, a sliding groove and a pointer, the fourth connecting part is rotatably connected with the third connecting part around a second rotation axis, the second rotation axis is parallel to the first rotation axis, the guide column is slidably arranged in the sliding groove, and the pointer is located at the display through groove. The lamp is provided with the rotation adjusting mechanism, the lighting system is provided with the lamp, and the rotation adjusting mechanism has the advantage that angle scales can be recognized more easily.

The invention discloses a metering detection device, and belongs to the technical field of metering devices, the metering detection device comprises a vernier caliper, one side of the vernier caliper is fixedly connected with a mounting head, the mounting head is provided with a storage seat, the storage seat is internally and rotatably connected with a rotating frame, and the rotating frame is internally and rotatably connected with an adjusting structure. The two sides of the adjusting structure are rotationally connected with adjusting bases, one sides of the adjusting bases are provided with movable bases in a sliding fit mode, the movable bases are provided with movable bases in a sliding fit mode, the movable bases are fixedly connected with transmission mechanisms, and one sides of the movable bases are provided with cleaning brush rollers. The surface and the inner wall of a measured object are polished and cleaned by utilizing the cleaning brush roller which rotates and reciprocates, and the surface and the inner wall of the measured object are thoroughly cleaned, so that the vernier caliper can be ensured to be in good contact with the surface of the object during measurement, the influence of dirt or oil stain on the measurement precision is avoided, errors caused by uneven surface or attachments are avoided, and the measurement accuracy is improved. Therefore, the measurement precision and efficiency are improved.

The utility model discloses a reinforcing steel bar size detector, relates to plain round reinforcing steel bar size detection field, including support and measuring subassembly, the left side of support is integratedly fixed connection with the side plate, and the both sides of side plate are evenly distributed with length identification in the transverse direction, the middle part of side plate along the extension direction is equipped with the circular arc groove that sinks inward, the measuring subassembly is equipped with the circular arc groove that sinks inward. And plain round steel bar bodies are placed in the arc grooves, and the ends, away from the support, of the side plates are integrally and fixedly connected with end plates. According to the steel bar size detector provided by the invention, when the detector is used, the inwards-sunken arc grooves are formed in the middles of the side plates in the extending direction, so that when the length and diameter of a plain round steel bar body are detected, the plain round steel bar body can be stably placed in the arc grooves, and rolling deviation during detection is prevented; meanwhile, the zero graduation line of the diameter identification is flush with the arc bottom end of the arc groove and used for compensating for the height difference caused by the depth of the arc groove, and errors generated when diameter measurement is conducted on the plain round bar body are avoided.

The invention discloses a three-phase guide rail type electric energy meter, and relates to the technical field of electric energy meters. The electric energy meter comprises an electric energy meter body, a fixing shell is fixedly connected to one side of the electric energy meter body, a glass cover is arranged on the front side of the electric energy meter body, a sliding groove is formed in the side, away from the fixing shell, of the electric energy meter body, and two sliding blocks are slidably connected to the inner wall of the sliding groove; the bottom of one sliding block and the top of the other sliding block are in threaded connection with the same two-way threaded rod. Through arrangement of the anti-shielding device, a motor I, a threaded rod, a threaded sleeve, a limiting block, an L-shaped block, a long rod and a cleaning roller are matched, so that the long rod moves to drive the cleaning roller to move, and dust or impurities on the surface of the glass cover can be cleaned away through movement of the cleaning roller; the problem that the glass cover of the display screen of the electric energy meter is shielded by dust or impurities is avoided, so that the definition of the display screen is improved, and the reading is more accurate and easy to check.

The utility model discloses a stone mountain shrub grass cluster community investigation quadrat device, which comprises a support column, a quadrat frame, a connecting mechanism and a base, the length of the support column is adjustable, and the connecting mechanism comprises four angle-adjustable three-way pipe sleeves. The included angle between the two-way pipe sleeves in the three-way pipe sleeve is 90 degrees, the two-way pipe sleeves are connected with telescopic quadrat strips to form a square quadrat frame, the included angle between the third-way pipe sleeve in the three-way pipe sleeve and the other two-way pipe sleeves is adjustable, and the third-way pipe sleeve in the three-way pipe sleeve is connected with a supporting column; the base is a square block, a plurality of ground nails are arranged on the square block, and the bottom end of the supporting column can be inserted into the square block. The adjustability of the whole device is increased through the connecting mechanism, the horizontal state of the quadrat frame can be adjusted according to the actual situation of a site, and scientists can conduct field investigation more conveniently; in addition, the size of the quadrat frame can be rapidly and conveniently adjusted, rapid installation and adjustment of the device in practical application are facilitated, and precision and flexibility are high; therefore, the reading is more accurate, and the experiment precision is improved.

The invention discloses a micro-pressure tap density tester which comprises a micro-pressure tap density testing measuring cylinder and a vibration device, the micro-pressure tap density testing measuring cylinder comprises a measuring cylinder main body and a piston type flattening block which is arranged in the measuring cylinder main body and is used for flattening powder in the measuring cylinder main body; the piston type flattening block comprises a flattening body, a sealing ring, a filtering assembly and a balancing weight, and the sealing ring is arranged on the outer side of the flattening body; the flattening body is provided with an air hole penetrating through the surface and the bottom face of the flattening body, and the filtering assembly is arranged at an inlet or an outlet of the air hole. The balancing weight is borne on the surface of the flattening body; and the vibrating device is used for compacting the powder in the micro-pressure tap density testing measuring cylinder. The problem that the surface of the compacted powder is uneven can be solved, and test data are more accurate. In addition, the invention further discloses a micro-pressure tap density testing method.

The utility model discloses an insulating stool bearing capacity testing device, relates to the field of insulating stool testing, and provides the following scheme aiming at the problems that the efficiency of the existing testing device is low, the waste of manpower and material resources is serious, and the accuracy of a test judgment result is possibly influenced: the insulating stool bearing capacity testing device comprises a test box and an insulating stool body, a mounting door is arranged on the test box, a limiting plate is arranged on the inner side of the test box, a fixing plate is arranged on the inner side of the mounting door, a spring is arranged on the outer side of the fixing plate, the fixing plate and the limiting plate fix the insulating stool body, and an adjustable test mechanism is arranged at the top of the inner side of the test box and comprises a digital display drawing tester and a digital display pressurizing device. And the digital display pressurizing device is arranged above the digital display drawing tester. According to the specifications and sizes of different insulating stools, space adjustment clamping is carried out, and the tool has the advantages of being high in universality, light, fast, suitable for customer sites and laboratories, easy to operate and accurate in reading.

The invention belongs to the technical field of labor tool management, and particularly relates to a multifunctional labor tool operation management system, which comprises an acquisition module, a PCBA (Printed Circuit Board Assembly) module, a wear detection module, a service life prediction module and a work quality analysis module, according to the invention, authority management is carried out through the RFID card reading unit, in-place and integrity detection is carried out on the labor tool by using the micro contact switch and the electric conduction contact reed, the state of the labor tool is monitored through the Internet of Things detection unit, and data transmission is realized through wireless communication, so that safe use and management of the labor tool are ensured; by configuring the wireless data transmission unit, the working state and the state of the labor tool are displayed in real time, the intuition and the effectiveness of management are further improved, the use permission, the in-place state and the integrity of the labor tool are effectively managed, and safe use of the labor tool is guaranteed.

The utility model discloses a compaction settlement measuring device of a dynamic compaction machine, which belongs to the technical field of foundation construction survey and comprises a fixed seat, a mounting frame and a ruler. The fixed seat is used for being fixed on a lifting hook of a rammer; the mounting frame is detachably connected with the fixing seat, the mounting frame comprises a connecting part, a supporting rod and a scale mounting part which are fixedly connected in sequence, the connecting part is detachably connected with the fixing seat, and the scale mounting part is used for being detachably connected with a scale. According to the compaction settlement measuring device of the dynamic compaction machine, a specially-assigned person does not need to erect a scale, labor is saved, and personnel safety is ensured; after the lifting hook is lifted down, the reading can be measured, so that the waiting time of workers for standing the scale back and forth is saved, and the construction efficiency is improved; the scale is vertically installed on the lifting hook, the position and the angle are fixed, the reading is more accurate, and the measurement accuracy is improved.

The invention provides a power transmission line tree obstacle hidden danger automatic identification method based on unmanned aerial vehicle multi-source remote sensing. The method comprises the steps of obtaining multi-source remote sensing data; image feature extraction and feature fusion processing are carried out on the high-resolution remote sensing image, and all suspected tree obstacle positions are obtained through detection; classifying the airborne point cloud data, and extracting to obtain a power line result; voxelization classification is carried out on the airborne point cloud data in the coverage area where the target suspected tree obstacle position is located, and a tree classification result is obtained; according to the tree classification result and the power line result, calculating the distance between the tree and the power line in the coverage range to carry out gradient division to obtain a division result; and under the condition that the division result is the tree obstacle area, determining the tree obstacle hidden danger level of the tree obstacle area where the target suspected tree obstacle position is located, and judging all the suspected tree obstacle positions to obtain all the tree obstacle areas and the corresponding tree obstacle hidden danger levels. According to the method, the problem of low inspection efficiency of the tree obstacles of the power transmission line in the prior art is solved.

The invention relates to a water gauge reading identification method, device and equipment based on an unmanned aerial vehicle visual angle and a medium, and belongs to the technical field of computer vision and water environment monitoring, and the method comprises the steps: obtaining a water level monitoring image shot by an unmanned aerial vehicle, and constructing a data set; establishing a target detection model and a water surface semantic segmentation model, and performing model training; verifying the trained target detection model and the water surface semantic segmentation model by using a verification set; a to-be-recognized water level monitoring image shot by the unmanned aerial vehicle is obtained, the verified target detection model is adopted for recognition, and a target recognition result is obtained; performing semantic segmentation by adopting the verified water surface semantic segmentation model to obtain a water surface segmentation result; and performing water level calculation in combination with the target identification result and the water surface segmentation result to obtain the water gauge water level reading of the water level monitoring image to be identified. The accuracy of water level reading and the efficiency of the processing flow are improved, and the method is particularly suitable for water level monitoring in complex and extreme environments.

The utility model discloses a measuring device for a DCS (Distributed Control System) limit switch of a sliding plug door of a motor train unit, which comprises a device main scale, and a digital display frame body is sleeved in the middle of the outer wall of the device main scale. According to the measuring device for the DCS limit switch of the sliding plug door of the motor train unit, the device main ruler is installed and is of a U-shaped structure, and a friction strip is attached to the main body part of the device main ruler, so that a digital display frame connected to the middle of the device main ruler in a sleeving mode ensures that a digital display meter accurately reads data in the sliding process, and the device main ruler is not engraved with scale marks; the digital display frame body and the laser lamp post on the connecting seat on one side of the digital display frame body are used for measuring and counting according to the relative displacement in the sliding process, then a bolt penetrates through a threaded hole to fix the laser lamp post between the laser lamp fixing base and the laser lamp fixing seat, and digital display measurement reading is realized by using an infrared laser positioning technology; the position of the DCS limit switch in the sliding plug door operation and the position of the sliding plug door after the sliding plug door is completely locked are rapidly and accurately measured, and mistaken replacement and missing replacement of parts caused by measurement errors are prevented.

The invention discloses a GIS withstand voltage test breakdown point positioning method and system based on sound-light-electricity fusion, and relates to the technical field of high-voltage tests, and the method comprises the following steps: extracting all triggered signals of a high-frequency sensor, an ultrasonic sensor and an optical sensor when a GIS withstand voltage test is broken down; evaluating all the extracted trigger signals according to amplitude distribution and time delay logic, and reading the time delay of each ultrasonic signal; according to the time delay, the GIS is regarded as a linear structure, and the position of a breakdown point is determined. According to the method, high-frequency earth current and optical pulse which are high in credibility and difficult in positioning calculation are combined with ultrasonic waves which are simple in sampling and large in interference, and signals which are related to withstand voltage test breakdown and can be used for positioning calculation are extracted through analysis and comparison of amplitude distribution and time delay logic of physical quantities such as the ultrasonic waves, the optical pulse and the high-frequency earth current. Interference signals are removed, and breakdown points are accurately positioned through sound-light-electricity time delay calculation of effective signals.

The invention relates to the technical field of gas meters, in particular to an ultrasonic gas meter which comprises a shell, an ultrasonic pipe, an ultrasonic receiver, a reading module, a gas outlet pipe and a gas inlet pipe. The shell is installed on a wall, the ultrasonic pipe is transversely installed in the shell, the ultrasonic receivers are symmetrically installed on the two sides of the ultrasonic pipe, the reading module is installed at the front end of the shell, and the air outlet pipe and the air inlet pipe are symmetrically installed on the two sides of the top of the shell. The transmission mechanism and the adjusting mechanism are both installed on the inner wall of the upper cavity of the shell, and the transmission mechanism is connected with the adjusting mechanism through a clamping ring. The transmission mechanism drives the half gear to rotate through the motor, the half gear can drive the eccentric gear to rotate, due to the fact that the number of teeth of the half gear is half of that of the eccentric gear, the half gear rotates one circle to drive the eccentric gear to rotate a half circle, and the adjusting mechanism is opened to adjust the gas flow speed after the eccentric gear rotates a half circle.

The present application provides a method for supporting reading fundus images and a device utilizing the same, the method comprising the following steps: based on a machine learning model, extracting first attribute information from a first fundus image of an object, mapping an adversarial factor to the first fundus image to change the first attribute information, generating a second fundus image with second attribute information, and providing the first fundus image with the first attribute information and the second fundus image with the second attribute information to an external entity.

This utility model relates to the field of urine collection bag technology and discloses a urine collection bag for bladder irrigation in urological patients. It includes a lifting arm and a urine collection bag. A hook is fixedly connected to the middle of the upper surface of the lifting arm, and a warning light is installed in the middle of one side of the lifting arm. A power supply is installed inside the lifting arm. Slides are formed on both sides of the lifting arm. A conductive block is fixedly connected to one side of the bottom wall of the slide, and a spring is fixedly connected to the other side of the bottom wall of the slide. An inlet pipe is fixedly connected to one side of the upper surface of the urine collection bag, and a drain pipe is fixedly connected to the middle of the lower surface of the urine collection bag. This urine collection bag for bladder irrigation, through the design of an observation window and built-in scale lines, reduces the interference of bag deformation and light refraction on readings. Nursing staff can intuitively and accurately read the volume of irrigation waste fluid, ensuring accurate recording of intake and output balance, and providing reliable data support for assessing the patient's bladder irrigation effect, bleeding, and renal function recovery.

The utility model provides a kind of adjustable spectrum shaking table belongs to medical diagnosis and detection technical field, the device includes tray, disposable test piece one, disposable test piece two, drive base and homogenizing plate, installation groove is opened in tray, several LED lamp beads are evenly distributed in installation groove, and clamping strip is symmetrically arranged and fixedly connected at installation groove slot mouth edge, drive base is set in tray lower end, and homogenizing plate is clamped on clamping strip, the device is according to the deficiency of existing disposable test piece, by setting LED lamp bead, homogenizing plate cooperate drive base, it can guarantee that the style of different viscosity has very good shaking effect, eliminate the intensity, angle difference of artificial shaking, improve result consistency, the device can be operated without professional training, can directly use marketable disposable test piece, support a variety of serological detection, equipment operation is simple, overall cost is lower, it is favorable to market promotion, with good market prospect before sale.

The utility model relates to the technical field of high-precision clocks of transformer substations, in particular to an electronic clock capable of being adjusted at multiple angles, which comprises a mounting seat, a worm is rotatably connected inside the mounting seat, the worm is meshed with a half worm gear, and the half worm gear is integrally welded with the bottom of a case through a shaft rod penetrating through the axis of the half worm gear. And the machine box is located above the outer wall of the mounting base, and the machine box is rotationally connected with the rack assembly through a driving assembly arranged in the machine box. According to the improved electronic clock, the worm drives the half worm gear to rotate, so that the case coaxially connected with the half worm gear can horizontally rotate by 180 degrees along the surface of the mounting seat, a wider view can be provided without being limited by a fixed angle, and the structure can ensure that information is displayed more clearly and is not influenced by factors such as shielding or light reflection. It is crucial to ensure that an operator can accurately read information displayed by the clock, automatic cleaning of the surface is achieved through overturning of the clock body, and the burden of manual cleaning is avoided.

The utility model relates to the technical field of negative pressure drainage bags, and discloses a negative pressure drainage bag easy to read, which comprises a cover body, a bag body is fixedly connected to the bottom of the cover body, an opening ring is arranged on the peripheral side of the bottom of the bag body, the inner wall of the opening ring is fixedly connected with the outer wall of the bag body, the outer side of the opening ring is rotatably connected with a connecting ring, and the connecting ring is movably connected with the cover body. According to the negative pressure drainage bag easy to read, the bottom of the bag body is expanded through the expanding ring, then the side wall of the bag body is expanded through the weight of the expanding ring and the weight of the connecting ring, the whole bag body is in an expanded state, and therefore drainage liquid can be directly located at the bottom of the bag body after entering the bag body; and accurate reading can be conveniently carried out through the scales on the drainage bag.

The utility model discloses sighting telescope adjusting component with spiral rotating mechanism relates to sighting telescope technical field. Including spline screw, the outer wall fixed sleeve of spline screw has and adjusts seat, the outer wall of spline screw top is engaged with spline dial table, the inside engagement of spline dial table top has tooth joint piston, the top of spline dial table outer wall and the inside joint of tooth joint piston has locking disc, the inside movable sleeve of locking disc outer wall has rubber ring, and the intuitive display of the number of turns is realized through triple digital indication system: the reference hole guide arrow of adjusting hand wheel top is opened and is guided with the edge scale mark, and every rotation, the reference hole guide arrow is aligned with fixed mark, the top of eccentric buoy is opened and is indicated arrow number mark arrow, and the bottom slider slide rod is along the spiral groove limit sliding groove of limit cam and slides, and every rotation, the arrow number mark arrow accurate direction adjusting hand wheel on corresponding number of adjusting hand wheel.

The embodiment of the utility model relates to a stirring temperature measuring device. The stirring temperature measuring device comprises a fixing assembly and a fixing base. The fixing assembly is provided with a first fixing part, and the first fixing part is used for fixing the thermometer, so that the temperature measuring end of the thermometer extends into the cup to be measured. The fixed base comprises a connecting assembly, the connecting assembly is connected with a cup to be tested, and the fixed assembly is arranged on the fixed base. According to the stirring temperature measuring device, the thermometer is fixed on the stirring temperature measuring device, so that the thermometer always extends into the to-be-measured cup to measure the temperature while the thermometer is fixed, and the thermometer is prevented from stirring in the beaker along with a stirring rod. And the reading accuracy of the thermometer in the standing state is ensured, and the experiment result is ensured. The thermometer is prevented from being broken in the using process, the sample is protected, and meanwhile the health of experimenters is protected.

The utility model belongs to the technical field of road surface detection, particularly relates to a road surface settlement detection device, and provides the following scheme aiming at the problems that time and labor are consumed and the measurement precision is difficult to guarantee because most of the existing road settlement detection methods adopt manual visual inspection according to experience. An auxiliary plate is arranged on the upper side of the main plate, a fixing block is fixed to the side end of the auxiliary plate, a measuring rod used for measuring the settlement pavement slides in the fixing block, a dial gauge is arranged at the side end of the measuring rod, a set of attaching assemblies are arranged in the fixing block, and the attaching assemblies are used for driving the measuring rod to measure the settlement pavement; the positioning assembly is arranged between the fixing block and the measuring rod and is used for positioning the measuring rod; a group of adjusting assemblies are arranged between the main plate and the auxiliary plate, and the adjusting assemblies are used for adjusting the length between the fixing blocks and the main plate; and through the arrangement of the attaching assembly, the measuring bottom plate can be tightly attached to the settlement pavement, and the measuring accuracy is further improved.

The utility model discloses a breast volume measuring tool in breast cancer reconstruction operation, including measuring cup body (1), handheld handle (2) and fixed hook (3), its characterized in that: measuring cup body (1) is a cylindrical glass cup, and the bottom diameter is 9cm, and the height is 11.5cm, and the material is high borosilicate glass. The utility model can accurately, aseptically, quickly measure out breast tissue volume in breast cancer reconstruction operation, provides accurate data for the patient to select the appropriate size of prosthesis, improves breast cancer patient reconstruction operation satisfaction.

The invention provides printing ink, a preparation method thereof and a gas sensor, the printing ink comprises tin oxide and an alkali metal aluminosilicate molecular sieve, and the mass ratio of the tin oxide to the alkali metal aluminosilicate molecular sieve is (10-20): (1-2); the alkali metal aluminosilicate molecular sieve in the ink disclosed by the invention can absorb water vapor in the environment, enhance the moisture resistance of the ink and reduce the influence of humidity on a gas sensitive mechanism, and the alkali metal aluminosilicate molecular sieve enables a gas sensor to provide more accurate and more reliable readings by reducing interference caused by humidity to the greatest extent; therefore, the gas sensor can keep stable performance under various environmental conditions (including a high-humidity environment); the humidity interference on tin oxide is reduced, and the sensitivity of the gas sensor is improved; the service life of the sensor is prolonged, the effectiveness can be kept for a long time, the replacement frequency of the gas sensor is reduced, the maintenance cost is reduced, and the cost effectiveness of users is improved.